Maintenance device for flow sensor of water chilling unit

Abstract

The utility model discloses a water chilling unit flow sensor maintenance device which comprises a water chilling unit flow sensor, a copper pipe, a water inlet pipe connecting ball valve and a water outlet pipe connecting ball valve. The two ends of the copper pipe are communicated with a water outlet pipe and a water inlet pipe of the water chilling unit respectively, the water inlet pipe connecting ball valve is installed on the water inlet pipe side of the copper pipe, and the water outlet pipe connecting ball valve is installed on the water outlet pipe side of the copper pipe. The water chilling unit flow sensor is installed on the copper pipe and located between the water inlet pipe connecting ball valve and the water outlet pipe connecting ball valve. The utility model relates to the technical field of water chilling unit maintenance devices, and can solve the problems that in the prior art, the whole cleaning process is tedious in operation, fasteners are prone to abrasion, water seepage is caused, and the service life is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water chiller maintenance device technical field especially relates to a water chiller flow sensor maintenance device. BACKGROUND

[0002] Flow sensor is one of important components of water chiller, and flow sensor outputs pulse signal through inducting water flow, and water chiller judges whether to reach starting and running condition according to water flow size, in the running process of water chiller, flow sensor is easy to cause probe surface to form scale or produce biological fouling due to water quality problem, lead to flow sensor reaction not sensitive, data transmission error increases, and further also influence normal operation and starting judgment of water chiller, therefore need to carry out regular routine maintenance to flow sensor.

[0003] Flow sensor is a supporting component of water chiller, please refer to the arrow direction in the attached Figure 1 , Figure 1 of water flow direction, the both ends of flow sensor 8 of prior art are directly installed between inlet pipe 2 and outlet pipe 1 of water chiller 9, when cleaning probe of flow sensor in daily maintenance, whole cleaning process includes steps: 1, close inlet valve 4 and outlet valve 3;2, open blowdown valve 7 and empty water in inlet pipe 2 and outlet pipe 1;3, disassemble and clean flow sensor 8;4, flow sensor 8 is installed back after disassembling and cleaning inlet pipe 2 and outlet pipe 1 and fastening;5, close blowdown valve 7;6, open inlet valve 4 and fill water;7, slowly loosen the nut of flow sensor 8 on the side of outlet pipe 1 to exhaust after filling water;8, fasten the nut after exhausting;9, open outlet valve 3, complete whole flow sensor cleaning process.

[0004] Whole cleaning process of prior art needs multiple people to cooperate operation, not only operation is complicated, and frequent disassembly also can lead to wear and tear of nut and other fasteners, cause water seepage at sealing place, influence safe operation and service life of water chiller. Meanwhile, flow sensor is directly installed on main pipe, and the technical requirement of maintenance personnel is higher, once improper operation, easy to cause certain damage to water chiller. Therefore, a water chiller flow sensor maintenance device is needed, which can solve the problems of complicated operation of whole cleaning process in the prior art and water seepage and reduced service life caused by easy wear and tear of fasteners. SUMMARY

[0005] The utility model discloses a water chiller flow sensor maintenance device, which can solve the problems of complicated operation of whole cleaning process in the prior art and water seepage and reduced service life caused by easy wear and tear of fasteners.

[0006] The utility model discloses a water chiller flow sensor maintenance device, which can solve the problems of complicated operation of whole cleaning process in the prior art and water seepage and reduced service life caused by easy wear and tear of fasteners.

[0007] The utility model provides a kind of water chiller flow sensor maintenance device, including water chiller flow sensor, copper pipe, water inlet pipe connecting ball valve and water outlet pipe linking ball valve;Two ends of copper pipe are communicated with the water outlet pipe and water inlet pipe of water chiller respectively, water inlet pipe connecting ball valve is installed in the water inlet pipe side of copper pipe, and water outlet pipe linking ball valve is installed in the water outlet pipe side of copper pipe;Water chiller flow sensor is installed on copper pipe, and is located between water inlet pipe connecting ball valve and water outlet pipe linking ball valve.

[0008] In the operation process of the water chiller, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are in open state, so that water chiller flow sensor can monitor water flow between water outlet pipe and water inlet pipe.

[0009] In the process of maintaining the water chiller flow sensor, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are in closed state.

[0010] After the maintenance of the water chiller flow sensor is completed and the water chiller flow sensor is reinstalled, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are in open state, so that water chiller flow sensor can monitor water flow between water outlet pipe and water inlet pipe.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The utility model discloses a copper pipe, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are set up, and water chiller flow sensor is indirectly connected between water inlet pipe and water outlet pipe of water chiller through copper pipe, when maintaining, water chiller flow sensor can be disassembled by directly closing water inlet pipe connecting ball valve and water outlet pipe linking ball valve, and water in water inlet pipe and water outlet pipe does not need to be emptied, after maintenance and cleaning are completed, water chiller flow sensor is installed back, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are opened, and water chiller can be used normally, and water injection and air exhaust are not needed, so that the maintenance process of water chiller flow sensor is greatly simplified, one person can complete, labor cost and maintenance cost are reduced, and maintenance efficiency is improved.

[0013] 2、The utility model discloses a copper pipe, water inlet pipe connecting ball valve and water outlet pipe linking ball valve are set up, and water chiller flow sensor is connected between water inlet pipe and water outlet pipe of water chiller through copper pipe, avoid the problem of water seepage caused by the wear of nut between water chiller flow sensor and water inlet pipe and water outlet pipe, the requirement of maintenance personnel is lower in dismounting process, avoid damaging water chiller, prolong the service life of water chiller. ACCURACY

[0014] Figure 1 It is the installation schematic view of prior art water chiller flow sensor maintenance device;

[0015] Figure 2is the front view of the water chiller flow sensor maintenance device of the utility model;

[0016] Figure 3 is the installation schematic view of the water chiller flow sensor maintenance device of the utility model.

[0017] In the drawing, 1 - water outlet pipe, 2 - water inlet pipe, 3 - water outlet valve, 4 - water inlet valve, 7 - blowdown valve, 8 - flow sensor, 9 - condenser, 10 - water chiller flow sensor, 11 - copper pipe, 12 - water inlet pipe connecting ball valve, 13 - water outlet pipe linking ball valve. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the drawings and specific embodiments.

[0019] Please refer to the attached Figure 2 and the attached Figure 3 A water chiller flow sensor maintenance device, comprising a water chiller flow sensor 10, a copper pipe 11, a water inlet pipe connecting ball valve 12 and a water outlet pipe linking ball valve 13; the two ends of the copper pipe 11 are respectively communicated with the water outlet pipe 1 and the water inlet pipe 2 of the water chiller 9, the water inlet pipe connecting ball valve 12 is installed on the water inlet pipe 2 side of the copper pipe 11, and the water outlet pipe linking ball valve 13 is installed on the water outlet pipe 1 side of the copper pipe 11; the water chiller flow sensor 10 is installed on the copper pipe 11 and located between the water inlet pipe connecting ball valve 12 and the water outlet pipe linking ball valve 13.

[0020] The water chiller flow sensor 10 can adopt the flow sensor commonly used in the water chiller 9, the copper pipe 11 can select the water flow pipe according to the actual use demand, and the water inlet pipe connecting ball valve 12 and the water outlet pipe linking ball valve 13 can adopt the ball valve of the prior art according to the connection demand of the copper pipe 11 with the water outlet pipe 1 and the water inlet pipe 2, so as to ensure the water flow circulation and blocking function.

[0021] Through the setting of the copper pipe 11, the water chiller flow sensor 10 is not directly connected between the water outlet pipe 1 and the water inlet pipe 2 of the water chiller 9, when disassembling the water chiller flow sensor 10, only the water inlet pipe connecting ball valve 12 and the water outlet pipe linking ball valve 13 need to be closed, without the need to empty the water in the water outlet pipe 1 and the water inlet pipe 2, after reinstalling the water chiller flow sensor 10, the water inlet pipe connecting ball valve 12 and the water outlet pipe linking ball valve 13 can be reopened, without the need to perform water injection and air exhaust operation, greatly simplifying the maintenance process of the water chiller flow sensor 10, reducing the labor cost, improving the efficiency of the maintenance process, and also solving the problems of water seepage and reduced service life caused by the nut wear between the water chiller flow sensor 10 and the water outlet pipe 1 and the water inlet pipe 2.

[0022] Please refer to the attached Figure 2 and the attached Figure 3During the operation of the chiller 9, the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are in the open state, so that the chiller flow sensor 10 can monitor the water flow between the water outlet pipe 1 and the water inlet pipe 2.

[0023] The chiller flow sensor 10 is connected between the water outlet pipe 1 and the water inlet pipe 2 through the copper pipe 11.

[0024] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 3 During the maintenance of the chiller flow sensor 10, the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are in the closed state, at which time the chiller flow sensor 10 can be disassembled and maintained.

[0025] After the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are closed, the chiller flow sensor 10 can be directly disassembled without the need to empty the water in the water outlet pipe 1 and the water inlet pipe 2, so that the maintenance operation of the chiller flow sensor 10 is more convenient.

[0026] After the maintenance of the chiller flow sensor 10 is completed and the chiller flow sensor 10 is reinstalled, the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are in the open state, so that the chiller flow sensor 10 can monitor the water flow between the water outlet pipe 1 and the water inlet pipe 2.

[0027] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 3 After the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are opened, water can flow through the chiller flow sensor 10, and since the water in the water outlet pipe 1 and the water inlet pipe 2 is not emptied, the water filling and air exhausting operations in the maintenance process of the prior art are omitted, the maintenance process is greatly simplified, the maintenance process is efficient and convenient, and the labor cost is low.

[0028] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 3 The use method and working principle of the utility model are as follows:

[0029] One end of the copper pipe 11 with the water outlet pipe connecting ball valve 13 is fastened to the water outlet pipe 1 of the chiller 9, and the other end of the copper pipe 11 with the water inlet pipe connecting ball valve 12 is fastened to the water inlet pipe 2 of the chiller 9.

[0030] When the water chiller 9 is in normal operation, the water chiller flow sensor 10 on the copper pipe 11 between the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 can monitor the water flow of the copper pipe 11 in real time, so as to ensure the normal operation of the water chiller 9 and the starting judgment of the water chiller 9.

[0031] When the water chiller flow sensor 10 needs to be maintained, the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are closed, at this time, the water inlet pipe 2 and the water outlet pipe 1 are independent of each other, and no water flows through the copper pipe 11, so that the water chiller flow sensor 10 can be disassembled and maintained and cleaned.

[0032] After the cleaning and maintenance are completed, the water chiller flow sensor 10 is reinstalled on the copper pipe 11, and the water inlet pipe connecting ball valve 12 and the water outlet pipe connecting ball valve 13 are opened again, at this time, the normal monitoring function of the water chiller flow sensor 10 and the normal operation and starting function of the water chiller 9 can be restored, the whole cleaning and maintenance process is completed, the process is simplified, the steps are simple, and one person can complete the process.

[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model, therefore, any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A chiller flow sensor maintenance device, characterized by: The water inlet pipe connecting ball valve (12) is installed on the water inlet pipe (2) side of the copper pipe (11), and the water outlet pipe linking ball valve (13) is installed on the water outlet pipe (1) side of the copper pipe (11); the water chiller flow sensor (10) is installed on the copper pipe (11) and located between the water inlet pipe connecting ball valve (12) and the water outlet pipe linking ball valve (13).

Images