Small water supply equipment of integrated frequency conversion cabinet

Abstract

The utility model relates to small-sized water supply equipment integrated with a frequency conversion cabinet, which comprises the frequency conversion cabinet and a water supply pump group, the water supply pump group is arranged on a bottom frame by adopting a horizontal multi-stage water pump, the frequency conversion cabinet is fixed on a bracket, the bracket is fixed on the bottom frame, a water inlet pipeline and a water outlet pipeline adopt a lower-in and upper-out mode, and the water inlet pipeline and the water outlet pipeline are arranged at an angle of 90 degrees. The pipe valves are connected through clamp type valves, and a pressure gauge and a sensor are installed on the water inlet pipeline. The water inlet pipeline and the water outlet pipeline are both fixed to the pipeline support, the pipeline support is fixed to the bottom frame, and an air pressure tank connector is reserved in the water outlet pipeline. A heat dissipation part of a frequency converter in the frequency conversion cabinet is externally arranged. The water pump is provided with a temperature sensor. The water supply pump set, the pipe valve, the frequency conversion cabinet and the underframe are integrally designed, the structure is safe and stable, the equipment size is reduced, the occupied area is saved, the cost is reduced, the weight is light, flexible movement and rapid installation can be achieved, the installation cost is reduced, and the whole module is flexibly suitable for various water supply scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a small -size water supply equipment, specifically related to a small -size water supply equipment of integrated frequency conversion cabinet high, structure safe and stable, can install fast, can be flexible and applicable to a variety of water supply scene. BACKGROUND

[0002] The existing water supply equipment is installed in an independent space and is mechanically and electrically isolated from the pump set, which leads to a large space occupation of the pump house, a long construction period, and high installation and material costs. For water supply reconstruction in old communities, there are usually limited pump house conditions, a requirement for fast reconstruction, and a requirement for short water stop time. Therefore, there is an urgent need to develop a small water supply equipment with high protection, high integration, and mechanical and electrical integration to solve the above problems and bring good economic and social benefits.

[0003] The existing water supply equipment usually consists of a vertical multistage pump, inlet and outlet pipelines, valves, a base, and a frequency conversion cabinet. The vertical multistage pump has a large size, and the pump occupies a large space after the inlet and outlet pipelines and valves are arranged on both sides of the pump. In addition, the valves used are large in size and not compact, which makes installation inconvenient. The frequency conversion cabinet is usually large in size and low in protection level, and needs to be mechanically and electrically isolated, which occupies a large space of the pump house. At the same time, the installation of on-site wiring and cabling is a prominent problem, and needs to be installed by using a bridge or a wire pipe, which is not convenient and cannot be applied to the installation scene of a small space in the reconstruction of old communities. SUMMARY

[0004] In view of the above problems, the main purpose of the utility model is to provide a small water supply equipment with high integration, safe and stable structure, fast installation, and flexible application to various water supply scenes.

[0005] The utility model solves the above technical problems by the following scheme: a small water supply equipment with an integrated frequency conversion cabinet, which comprises a frequency conversion cabinet and a water supply pump set. The water supply pump set is installed on a base by using a horizontal multistage water pump. The frequency conversion cabinet is fixed on a support, and the support is fixed on the base. The inlet and outlet pipelines are arranged in a downward-inlet and upward-outlet manner, and are arranged at an angle of 90°. The pipelines and valves are connected by using a clamp type valve. A pressure gauge and a sensor are installed on the inlet pipeline. The inlet and outlet pipelines are fixed on a pipeline support, and the pipeline support is fixed on the base. An air tank interface is reserved on the outlet pipeline. The heat dissipation part of the frequency converter in the frequency conversion cabinet is externally arranged, and is provided with a heat dissipation shield. The water pump is provided with a temperature sensor for real-time temperature monitoring.

[0006] In the embodiment of the utility model, the base is a base welded by using a channel steel or an angle steel structure.

[0007] In the embodiment of the utility model, the door of the frequency conversion cabinet is provided with a door lock and a window convenient for protection and maintenance.

[0008] In the embodiment of the utility model, the frequency conversion cabinet has a protection level of IP55.

[0009] In the embodiment of the utility model, the bottom frame is provided with lifting holes and fixed mounting holes.

[0010] In the embodiment of the utility model, the lifting holes are located on the four corners of the bottom frame.

[0011] In the embodiment of the utility model, the heat dissipation shield covers the entire frequency conversion cabinet in length.

[0012] In the embodiment of the utility model, the heat dissipation shield is fixed on the frequency conversion cabinet in a screw fixed connection mode or a welding mode.

[0013] In the embodiment of the utility model, the support is fixed on the bottom frame in a screw fixed connection mode or a welding mode.

[0014] In the embodiment of the utility model, the power supply line, the pressure gauge and the sensor cable of the water supply pump group are connected to the bottom of the frequency conversion cabinet.

[0015] The positive progress effect of the utility model lies in that: compared with the common similar technology, the small water supply equipment of the integrated frequency conversion cabinet has the advantages that the water supply pump group, the pipe valve, the frequency conversion cabinet and the bottom frame are integratedly designed, the structure is safe and stable, the equipment size is reduced, the land occupation is saved, the cost is reduced, the weight is light and the equipment can be flexibly moved, quickly installed, the installation cost is reduced, and the whole equipment can be flexibly applied to various water supply scenes. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model.

[0017] Figure 2 It is the left view of the utility model.

[0018] Figure 3 It is the top view of the utility model.

[0019] Figure 4 It is the perspective view of the utility model.

[0020] The following is the name corresponding to the mark in the utility model:

[0021] Variable frequency cabinet 1, pressure gauge and sensor 2, air tank interface 3, pipe valve 4, pipe support 5, temperature sensor 6, base frame 7, fixed mounting hole 8, heat shield 9, door lock 10, bracket 11, horizontal multi-stage water pump 12, lifting hole 13, water inlet pipe 14, water outlet pipe 15. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application are described below in detail with reference to the drawings, so as to explain the technical scheme of the present application.

[0023] Figure 1 It is a front view of the present application, Figure 2 It is a left view of the present application, Figure 3 It is a top view of the present application, Figure 4 It is a perspective view of the present application; as shown in the above figure: the present application proposes a small water supply equipment integrated with a variable frequency cabinet, which comprises: a variable frequency cabinet 1, a water supply pump group, the water supply pump group is installed on a base frame 7 by using a horizontal multi-stage water pump 12, the variable frequency cabinet 1 is fixed on a bracket 11, and the bracket 11 is fixed on the base frame 7. The present application integrates the variable frequency cabinet and the pump group pipe valve, and the structure is compact.

[0024] The water inlet pipe 13 and the water outlet pipe 14 of the present application adopt a lower-in and upper-out mode, the water inlet pipe and the water outlet pipe are arranged at 90°, the pipe valve adopts a clamp type valve connection, the pressure gauge and the sensor 2 are installed on the water inlet pipe 13, the water inlet pipe and the water outlet pipe are both fixed on a pipe support 5, the pipe support 5 is fixed on the base frame 7, and the air tank interface 3 is reserved on the water outlet pipe; the heat dissipation part of the frequency converter in the variable frequency cabinet 1 is externally arranged, the heat dissipation part is provided with a heat shield 9, and the water pump is a water pump with a self-provided temperature sensor 6 for monitoring the temperature in real time. The door of the variable frequency cabinet 1 is provided with a door lock 10 and a window (not shown) for facilitating protection and maintenance.

[0025] In this way, the size of the pump group and the pipe can be designed, so that multiple water supply modes and narrow space conditions can be installed.

[0026] The variable frequency cabinet is fixed by using a bracket structure above the horizontal multi-stage water pump motor, the bracket is fixed on the base frame, the heat dissipation part of the frequency converter in the variable frequency cabinet box is externally arranged, rapid heat dissipation is achieved, a heat shield is configured, the power supply line of the pump group and the cable of the pressure gauge and the sensor 2 are connected to the bottom of the variable frequency cabinet, the protection grade of the variable frequency cabinet is IP55, and the temperature sensor of the water pump monitors the water pump temperature in real time, so that the normal operation of the equipment is protected. In this way, the integrated variable frequency cabinet can greatly reduce the land occupation, reduce the use of cables, facilitate on-site installation, and avoid the wiring problem of the pump group.

[0027] The base frame 7 has a lifting hole 13 and a fixed mounting hole 8, the overall structure is safe, stable, compact, flexible to move, and convenient for on-site installation.

[0028] The water supply pump set, pipe valve, frequency conversion cabinet and base frame are integrated, the structure is safe and stable, the equipment size is reduced, the land occupation is saved, the cost is reduced, the weight is light, and the water supply device can be flexibly moved, quickly installed, and installed at low cost.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements. These changes and improvements all fall within the scope of the claimed utility model, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A small water supply apparatus of an integrated variable frequency cabinet, characterized by: The small water supply equipment of the integrated frequency conversion cabinet comprises a frequency conversion cabinet, a water supply pump group, the water supply pump group is installed on a bottom frame by using a horizontal multi-stage water pump, the frequency conversion cabinet is fixed on a support, the support is fixed on the bottom frame, water inlet pipelines and water outlet pipelines adopt a lower inlet and upper outlet mode, the water inlet pipelines and the water outlet pipelines are arranged at 90°, pipe valves are connected by using a clamp type valve, pressure gauges and sensors are installed on the water inlet pipelines; the water inlet pipelines and the water outlet pipelines are fixed on pipeline supports, the pipeline supports are fixed on the bottom frame, a gas tank interface is reserved on the water outlet pipelines; a heat dissipation part of a frequency converter in the frequency conversion cabinet is externally arranged, the heat dissipation part is provided with a heat dissipation shield; the water pump is a water pump with a temperature sensor for monitoring temperature in real time.

2. The integrated variable frequency cabinet small water supply equipment according to claim 1, characterized in that: The bottom frame is a bottom frame welded by using a channel steel or an angle steel structure.

3. The compact water supply of the integrated variable frequency cabinet according to claim 1, characterized in that: A door lock and a window are installed on a door of the frequency conversion cabinet for protection and maintenance.

4. The compact water supply of the integrated variable frequency cabinet according to claim 1, characterized in that: The frequency conversion cabinet is a frequency conversion cabinet with a protection level of IP55.

5. The small water supply apparatus of the integrated variable frequency cabinet according to claim 1 or 2, characterized by: Hoisting holes and fixed mounting holes are arranged on the bottom frame.

6. The integrated variable frequency cabinet small water supply equipment according to claim 5, characterized in that: The hoisting holes are located on four corners of the bottom frame.

7. The integrated variable frequency cabinet small water supply equipment according to claim 1, characterized in that: The heat dissipation shield covers the entire frequency conversion cabinet in length.

8. The integrated variable frequency cabinet small water supply equipment according to claim 1 or 7, characterized in that: The heat dissipation shield is fixed on the frequency conversion cabinet by using a screw fixed connection mode or a welding mode.

9. The compact water supply of the integrated variable frequency cabinet according to claim 1, characterized in that: The support is fixed on the bottom frame by using a screw fixed connection mode or a welding mode.

10. The compact water supply of the integrated variable frequency cabinet according to claim 1, characterized in that: Power supply lines, pressure gauges and sensor cables of the water supply pump group are connected to the bottom of the frequency conversion cabinet.

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