Frequency conversion and energy saving device for pre-cooling platform

Abstract

The utility model relates to the technical field of pre-cooling platform frequency conversion energy-saving devices, in particular to a pre-cooling platform frequency conversion energy-saving device, which adopts the technical scheme that the pre-cooling platform frequency conversion energy-saving device comprises a mounting shell, a first guide groove, a degaussing coil body and a second guide groove, the upper end and the lower end of the back surface of the mounting shell are respectively provided with preformed holes, and one side of the mounting shell is provided with a mounting hole; the degaussing coil body is embedded into the inner side of the mounting shell through the mounting hole; wherein the rear end of the degaussing coil body penetrates through the back surface of the mounting shell; the first guide groove and the second guide groove are fixedly installed at the upper and lower ends of the back of the installation shell. According to the utility model, a problem that a motor bearing insulation system is damaged because a power cable and a frequency converter control cable are inevitably crossed at a frequency converter cabinet and a cable trench during cable laying is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of variable frequency energy-saving devices for precooling platforms, in particular to a variable frequency energy-saving device for precooling platforms. Background Art

[0002] For a long time, air separation plants have considered the cost of purchasing motors and the margin problem during operation at the beginning of the plant construction, and selected large-sized motors and enlarged margins. As a result, when the motor is running at the power frequency, the outlet valve is used to adjust the water flow, resulting in large power loss and waste of electricity; the manual and automatic valve adjustment quality is poor, the actuator is prone to failure, and when the motor starts, the starting current is large, which has a great impact on the motor, seriously affecting the insulation performance and service life of the motor.

[0003] At present, variable frequency energy-saving technology is usually used to reduce the impact of high current on the motor during startup, ensure the operating temperature, effectively eliminate the "water hammer" effect and cavitation phenomenon, and reduce the impact on the water pipe network and pump. Extend the service life of the motor, improve the safety and reliability of the system and the utilization rate of production, reduce the energy efficiency index of air separation, and improve the economic benefits of the factory.

[0004] However, when laying cables, it is inevitable that the power cable and the inverter control cable will cross at the inverter cabinet and cable trench, which will damage the insulation system of the motor bearing. Therefore, a pre-cooling platform frequency conversion energy-saving device is needed to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a pre-cooling platform frequency conversion energy-saving device, which has the advantage of reducing the risk of damage to the motor bearing insulation system, and solves the problem that when the cable is laid, the power cable and the inverter control cable inevitably cross at the inverter cabinet and the cable trench, thereby causing the motor bearing insulation system to be damaged.

[0006] To achieve the above object, the utility model provides the following technical solutions: a pre-cooling platform variable frequency energy-saving device, comprising a mounting shell, the upper and lower ends of the back of the mounting shell are respectively provided with reserved holes, one side of the mounting shell is provided with a mounting hole, and further comprising a first guide groove, a degaussing coil body and a second guide groove;

[0007] The degaussing coil body is embedded and installed inside the mounting shell through the mounting hole;

[0008] Wherein, the rear end of the degaussing coil body passes through the back of the mounting shell;

[0009] The first guide groove and the second guide groove are fixedly mounted at upper and lower ends of the back side of the mounting shell respectively.

[0010] When using a precooling platform variable frequency energy-saving device in the technical solution, the first guide groove and the second guide groove are fixedly installed on the upper and lower ends of the back side of the mounting shell respectively, and the degaussing coil body is embedded and installed on the inner side of the mounting shell through the mounting hole, and the controller is fixedly installed on one side of the mounting shell, and the controller is electrically connected to the degaussing coil body at the same time. Therefore, when in use, the mounting shell and the inverter cabinet can be fixedly installed through the screw holes set on the front side of the mounting shell, and then the front side of the mounting shell is aligned with the threading holes of the inverter cabinet. At this time, the power cable and the inverter control cable can be passed through the degaussing coil body at the same time, and the power cable is passed into the inverter cabinet through the first guide groove. At the same time, the inverter control cable is passed into the inverter cabinet through the second guide groove, and then the magnetic field generated by the degaussing coil body generates an induced current, thereby offsetting the original magnetic field generated when the power cable and the inverter control cable cross, thereby reducing the risk of damage to the motor bearing insulation system.

[0011] Preferably, screw holes are provided on the outer side of the front side of the installation shell, and anti-skid pads are fixedly installed in a rectangular array on the bottom of the installation shell.

[0012] By opening screw holes on the outside of the front of the mounting shell, the mounting shell and the inverter cabinet can be fixedly installed through the screw holes set on the front of the mounting shell. At the same time, anti-skid pads are fixedly installed in a rectangular array on the bottom of the mounting shell. After the mounting shell is installed, the bottom of the anti-skid pad can be made flush with the bottom of the inverter cabinet, and the bottom of the mounting shell is protected by the anti-skid pad.

[0013] Preferably, a controller is fixedly mounted on one side of the mounting shell outside the mounting hole, a wiring slot is provided on the controller, and the controller is electrically connected to the degaussing coil body.

[0014] A controller is fixedly installed on one side of the mounting shell outside the mounting hole, and a wiring slot is provided on the controller. The controller is electrically connected to the degaussing coil body, so that after the controller and the inverter cabinet are powered, the degaussing coil body can be opened by the controller.

[0015] Preferably, the rear end of the degaussing coil body passes through the back side of the mounting shell and is located on the opposite side of the first guide groove and the second guide groove.

[0016] By passing the rear end of the degaussing coil body through the back of the mounting shell and being located on the opposite side of the first guide groove and the second guide groove, the power cable and the inverter control cable can pass through the degaussing coil body and enter the first guide groove and the second guide groove respectively, and extend into the mounting shell.

[0017] Preferably, the first guide groove is connected to the inner side of the installation shell through a reserved hole at the upper end of the back side of the installation shell, and the bottom of the first guide groove is open.

[0018] The first guide groove is connected and installed with the inner side of the installation shell through the reserved hole at the upper end of the back side of the installation shell, and an opening is provided at the bottom of the first guide groove, so that the power cable can pass through conveniently.

[0019] Preferably, the second guide groove is connected to the inner side of the mounting shell through a reserved hole at the lower end of the back side of the mounting shell, and the top of the second guide groove is open.

[0020] The second guide groove is connected with the inner side of the installation shell through the reserved hole at the lower end of the back side of the installation shell, and an opening is provided at the top of the second guide groove, so that the control cable of the frequency converter can pass through conveniently.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] The utility model provides a first guide groove, a degaussing coil body and a second guide groove, and respectively fixes the first guide groove and the second guide groove on the upper and lower ends of the back side of the mounting shell, embeds the degaussing coil body through the mounting hole and installs it on the inner side of the mounting shell, and fixes the controller on one side of the mounting shell, and electrically connects the controller to the degaussing coil body at the same time. Therefore, when in use, the mounting shell and the inverter cabinet can be fixedly installed through the screw holes provided on the front side of the mounting shell, and the front side of the mounting shell is aligned with the threading hole of the inverter cabinet. At this time, the power cable and the inverter control cable can be passed through the degaussing coil body at the same time, and the power cable is passed into the inverter cabinet through the first guide groove. At the same time, the inverter control cable is passed into the inverter cabinet through the second guide groove, and then the magnetic field generated by the degaussing coil body generates an induced current, thereby offsetting the original magnetic field generated when the power cable and the inverter control cable cross, thereby reducing the risk of damage to the motor bearing insulation system, thereby achieving the effect of reducing the risk of damage to the motor bearing insulation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the installation shell structure of the utility model;

[0026] Figure 4 It is a rear view structural schematic diagram of the utility model.

[0027] In the figure: 1. mounting shell; 2. first guide groove; 3. degaussing coil body; 4. second guide groove; 5. controller; 6. mounting hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an embodiment of the utility model is provided: a precooling platform variable frequency energy-saving device, comprising a mounting shell 1, the upper and lower ends of the back of the mounting shell 1 are respectively provided with reserved holes, a mounting hole 6 is provided on one side of the mounting shell 1, and further comprising a first guide groove 2, a degaussing coil body 3 and a second guide groove 4;

[0031] Specifically,

[0032] The degaussing coil body 3 is embedded and installed inside the mounting shell 1 through the mounting hole 6;

[0033] Wherein, the rear end of the degaussing coil body 3 passes through the back of the mounting shell 1;

[0034] The first guide groove 2 and the second guide groove 4 are fixedly mounted at the upper and lower ends of the back side of the mounting shell 1 , respectively. By setting the first guide groove 2, the degaussing coil body 3 and the second guide groove 4, by fixing the first guide groove 2 and the second guide groove 4 on the upper and lower ends of the back side of the mounting shell 1 respectively, and embedding the degaussing coil body 3 through the mounting hole 6 to install it on the inner side of the mounting shell 1, and fixing the controller 5 on one side of the mounting shell 1, and at the same time electrically connecting the controller 5 to the degaussing coil body 3, when in use, the mounting shell 1 can be fixedly installed with the inverter cabinet through the screw holes set on the front side of the mounting shell 1, so that the front side of the mounting shell 1 is aligned with the threading hole of the inverter cabinet, at this time, the power cable and the inverter control cable can be passed through the degaussing coil body 3 at the same time, and the power cable is passed into the inverter cabinet through the first guide groove 2, and at the same time, the inverter control cable is passed into the inverter cabinet through the second guide groove 4, and then the magnetic field generated by the degaussing coil body 3 generates an induced current, thereby offsetting the original magnetic field generated when the power cable and the inverter control cable cross, thereby reducing the risk of damage to the motor bearing insulation system, thereby achieving the effect of reducing the risk of damage to the motor bearing insulation system.

[0035] Furthermore, screw holes are provided on the outside of the front of the installation shell 1 , and anti-skid pads are fixedly installed in a rectangular array on the bottom of the installation shell 1 .

[0036] By opening screw holes on the outside of the front of the mounting shell 1, the mounting shell 1 and the inverter cabinet can be fixedly installed through the screw holes set on the front of the mounting shell 1. At the same time, the bottom of the mounting shell 1 is fixedly installed with anti-skid pads in a rectangular array. After the mounting shell 1 is installed, the bottom of the anti-skid pad can be made flush with the bottom of the inverter cabinet, and the bottom of the mounting shell 1 is protected by the anti-skid pad.

[0037] Furthermore, a controller 5 is fixedly mounted on one side of the mounting shell 1 outside the mounting hole 6 , and a wiring slot is provided on the controller 5 . The controller 5 is electrically connected to the degaussing coil body 3 .

[0038] The controller 5 is fixedly installed on one side of the mounting shell 1 outside the mounting hole 6, and a wiring slot is provided on the controller 5. At the same time, the controller 5 is electrically connected to the degaussing coil body 3. After the power is drawn out from the controller 5 to the inverter cabinet, the opening of the degaussing coil body 3 can be controlled by the controller 5.

[0039] Furthermore, the rear end of the degaussing coil body 3 passes through the back side of the mounting shell 1 and is located at a side opposite to the first guide groove 2 and the second guide groove 4 .

[0040] By passing the rear end of the degaussing coil body 3 through the back of the mounting shell 1 and being located on the opposite side of the first guide groove 2 and the second guide groove 4, the power cable and the inverter control cable can pass through the degaussing coil body 3 and enter the first guide groove 2 and the second guide groove 4 respectively, and extend into the mounting shell 1.

[0041] Furthermore, the first guide groove 2 is connected to the inner side of the installation shell 1 through a reserved hole at the upper end of the back side of the installation shell 1 , and the bottom of the first guide groove 2 is open.

[0042] The first guide groove 2 is connected to the inner side of the installation shell 1 through the reserved hole at the upper end of the back side of the installation shell 1 and an opening is provided at the bottom of the first guide groove 2, so that the power cable can pass through easily.

[0043] Furthermore, the second guide groove 4 is connected to the inner side of the installation shell 1 through a reserved hole at the lower end of the back side of the installation shell 1 , and the top of the second guide groove 4 is open.

[0044] The second guide groove 4 is connected to the inner side of the installation shell 1 through the reserved hole at the lower end of the back side of the installation shell 1 and an opening is provided at the top of the second guide groove 4, so that the control cable of the frequency converter can pass through conveniently.

[0045] When the utility model is used, the first guide groove 2 and the second guide groove 4 are fixedly installed at the upper and lower ends of the back side of the mounting shell 1 respectively, and the degaussing coil body 3 is embedded and installed on the inner side of the mounting shell 1 through the mounting hole 6, and the controller 5 is fixedly installed on one side of the mounting shell 1, and the controller 5 is electrically connected to the degaussing coil body 3 at the same time. Therefore, when in use, the mounting shell 1 and the inverter cabinet can be fixedly installed through the screw holes set on the front side of the mounting shell 1, so that the front side of the mounting shell 1 and the threading holes of the inverter cabinet are aligned. At this time, the power cable and the inverter control cable can be passed through the degaussing coil body 3 at the same time, and the power cable is passed through the inverter cabinet through the first guide groove 2. At the same time, the inverter control cable is passed through the inverter cabinet through the second guide groove 4, and then the magnetic field generated by the degaussing coil body 3 generates an induced current, thereby offsetting the original magnetic field generated when the power cable and the inverter control cable cross, thereby reducing the risk of damage to the motor bearing insulation system.

[0046] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A precooling platform variable frequency energy-saving device, comprising a mounting shell (1), wherein the upper and lower ends of the back of the mounting shell (1) are respectively provided with reserved holes, and one side of the mounting shell (1) is provided with a mounting hole (6), characterized in that: Also includes: The degaussing coil body (3) is embedded and installed inside the mounting shell (1) through the mounting hole (6); The rear end of the degaussing coil body (3) passes through the back of the mounting shell (1); The first guide groove (2) and the second guide groove (4) are respectively fixedly mounted at the upper and lower ends of the back side of the mounting shell (1).

2. A precooling platform frequency conversion energy-saving device according to claim 1, characterized in that: The front outer side of the installation shell (1) is provided with screw holes, and the bottom of the installation shell (1) is fixedly provided with anti-skid pads in a rectangular array.

3. A precooling platform frequency conversion energy-saving device according to claim 1, characterized in that: A controller (5) is fixedly mounted on one side of the mounting shell (1) outside the mounting hole (6); a wiring slot is provided on the controller (5); and the controller (5) is electrically connected to the degaussing coil body (3).

4. A precooling platform frequency conversion energy-saving device according to claim 1, characterized in that: The rear end of the demagnetizing coil body (3) passes through the back side of the mounting shell (1) and is located on the opposite side of the first guide groove (2) and the second guide groove (4).

5. The precooling platform frequency conversion energy-saving device according to claim 1, characterized in that: The first guide groove (2) is connected to the inner side of the installation shell (1) through a reserved hole at the upper end of the back side of the installation shell (1), and the bottom of the first guide groove (2) is open.

6. A precooling platform frequency conversion energy-saving device according to claim 1, characterized in that: The second guide groove (4) is connected to the inner side of the installation shell (1) through a reserved hole at the lower end of the back side of the installation shell (1), and the top of the second guide groove (4) is open.

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