TDO cooling device

Abstract

The utility model relates to the technical field of TDO cooling, and discloses a TDO cooling device, which comprises a fan main motor, a motor cooling fan, a contactor, two circuit breakers and a frequency converter, the frequency converter is electrically connected with the fan main motor and used for adjusting the rotation frequency of the fan main motor, the two circuit breakers are respectively electrically connected with the fan main motor and the motor cooling fan, and the contactor is electrically connected with the fan main motor and the motor cooling fan. The circuit is protected. An original double-speed motor is replaced by the variable frequency motor, motor speed regulation control (the speed of the motor can be changed at will within the rotating speed range of the motor) is added at the same time, the temperature in equipment is in a controllable state, the working state of the thickness measuring instrument is not affected, product quality is improved, the motor cooling fan is added at the same time, and cost is reduced. The fan main motor can be cooled, so that the operation effect of the fan main motor is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of TDO cooling, in particular to a TDO cooling device. Background Art

[0002] TDO variable frequency temperature control is used in the TDO air cooling section to cool the heat brought from the front end of the TDO cross-pull section so that the temperature is controlled at a set temperature required for production.

[0003] The currently commonly used TDO cooling device is controlled by a dual-speed motor, with two modes of low-speed rotation and high-speed rotation. It cannot meet the requirements of diversified temperature control and also makes it impossible to control the temperature under different environments, resulting in inaccurate thickness measurement. Therefore, a new TDO cooling device is proposed to solve the above problems. Utility Model Content

[0004] To solve the above problems, the technical solutions specifically adopted by the present invention are as follows: a TDO cooling device, a fan main motor, a motor cooling fan, a contactor, two circuit breakers and a frequency converter, wherein the frequency converter is electrically connected to the fan main motor and is used to adjust the rotation frequency of the fan main motor; the two circuit breakers are electrically connected to the fan main motor and the motor cooling fan, respectively, to protect the circuit;

[0005] The motor cooling fan is installed inside the fixed housing through a quick installation assembly, and the fixed housing is fixed to the tail of the fan main motor by bolts. The motor cooling fan is used to dissipate heat for the fan main motor. The driving end of the fan main motor is connected to a transmission assembly, and one end of the transmission assembly is connected to the fan assembly.

[0006] Preferably, the transmission assembly is arranged inside the protective cover, and the transmission assembly includes two pulleys and a belt.

[0007] Preferably, the protective cover is fixed to the outer surface of the mounting panel.

[0008] Preferably, the quick installation assembly includes a cross fixing frame, the motor cooling fan is fixed on the surface of the cross fixing frame, and cavities are provided at the left and right ends of the cross fixing frame, and a clamping structure is provided inside the cavity.

[0009] Preferably, the clamping structure includes a fixing pin, a spring and a pull block, one end of the spring is connected to the fixing pin, and the other end is connected to the inner wall of the cavity, one end of the pull block passes through the strip opening on the surface of the cross fixing frame and is fixed on the surface of the fixing pin, and the fixing pin is engaged with the opening on the surface of the fixed shell.

[0010] Preferably, the inner wall of the fixed shell is connected to four support blocks that match the cross fixing frame, wherein strip-shaped limiting plates are provided on both sides of two support blocks.

[0011] The beneficial effects of the utility model are:

[0012] The utility model replaces the original dual-speed motor with a variable frequency motor and adds motor speed control (the motor speed can be changed arbitrarily within the motor speed range), so that the temperature inside the equipment is in a controllable state, so as not to affect the working state of the thickness measuring instrument and improve product quality. At the same time, a motor cooling fan is added to cool the main motor of the fan, thereby improving the operating effect of the main motor of the fan and increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a partial three-dimensional structural diagram of the utility model;

[0015] Figure 3 It is a partial cross-sectional view of the cross fixing frame in the utility model;

[0016] Figure 4 It is a prior art circuit diagram;

[0017] Figure 5 It is a circuit diagram of the present utility model.

[0018] Figure numerals: 1. Fan main motor; 2. Fixed shell; 3. Fan assembly; 4. Mounting panel; 5. Protective cover; 6. Fixing pin; 7. Strip limit plate; 8. Support block; 9. Cross fixing bracket; 10. Motor cooling fan. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] like Figure 1-Figure 3 and Figure 5 As shown, this embodiment provides a TDO cooling device, comprising a fan main motor 1, a motor cooling fan 10, a contactor, two motor circuit breakers, and a frequency converter. The frequency converter is electrically connected to the fan main motor 1 and is used to adjust the rotation frequency of the fan main motor 1. The two motor circuit breakers are electrically connected to the fan main motor 1 and the motor cooling fan 10, respectively, to protect the circuit.

[0022] like Figure 5 As shown, after power is supplied, motor cooling fan 10 begins operating, the contactor is in operation, and the control system is set to Quick Start. Clicking Start activates the module output, closing the normally open contact K017. The inverter starts fan main motor 1 according to the set parameters, driving fan assembly 3 to operate and control temperature. The inverter is set to adjustable frequency, and the frequency is adjusted according to actual production temperature requirements. If the inverter fails, or the motor circuit breaker or fan circuit breaker trips, the feedback will be reported to the system, and a fan circuit breaker trip will force the motor to stop.

[0023] The motor cooling fan 10 is installed inside the fixed housing 2 through a quick installation assembly. The fixed housing 2 is fixed to the tail of the fan main motor 1 by bolts. The motor cooling fan 10 is used to dissipate heat from the fan main motor 1. The driving end of the fan main motor 1 is connected to a transmission assembly, and one end of the transmission assembly is connected to the fan assembly 3. The transmission assembly is arranged inside the protective cover 5. The transmission assembly includes two pulleys and a belt, which can enable the fan main motor 1 to provide power to the fan assembly 3 so that the fan assembly 3 rotates to cool the heat brought from the front end of the TDO cross-pull section. The protective cover 5 is fixed to the outer surface of the mounting panel 4 to protect the transmission assembly.

[0024] The quick installation component includes a cross fixing frame 9, and the motor cooling fan 10 is fixed on the surface of the cross fixing frame 9. Cavities are provided at the left and right ends of the cross fixing frame 9, and a snap-on structure is provided inside the cavity, so that the motor cooling fan 10 can be quickly removed or installed for maintenance.

[0025] The clamping structure includes a fixing pin 6, a spring and a pulling block. One end of the spring is connected to the fixing pin 6, and the other end is connected to the inner wall of the cavity. One end of the pulling block passes through the strip opening on the surface of the cross fixing frame 9 and is fixed to the surface of the fixing pin 6. The fixing pin 6 is engaged with the opening on the surface of the fixed shell 2. Only by pulling the pulling block to separate the fixing pin 6 from the opening, the cross fixing frame 9 and the motor cooling fan 10 can be removed.

[0026] The inner wall of the fixed shell 2 is connected with four support blocks 8 matching the cross fixing frame 9, wherein strip-shaped limiting plates 7 are provided on both sides of two support blocks 8 for supporting and positioning purposes.

[0027] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A TDO cooling device, characterized in that: A fan main motor (1), a motor cooling fan (10), a contactor, two circuit breakers and a frequency converter, wherein the frequency converter is electrically connected to the fan main motor (1) and is used to adjust the rotation frequency of the fan main motor (1), and the two circuit breakers are electrically connected to the fan main motor (1) and the motor cooling fan (10) respectively and are used to protect the circuit; The motor cooling fan (10) is installed inside a fixed housing (2) via a quick installation assembly, and the fixed housing (2) is fixed to the tail of the fan main motor (1) via bolts. The motor cooling fan (10) is used to dissipate heat for the fan main motor (1), and a drive end of the fan main motor (1) is connected to a transmission assembly, and one end of the transmission assembly is connected to a fan assembly (3).

2. The TDO cooling device according to claim 1, characterized in that: The transmission assembly is arranged inside the protective cover (5), and the transmission assembly comprises two pulleys and a belt.

3. The TDO cooling device according to claim 2, characterized in that: The protective cover (5) is fixed on the outer surface of the installation panel (4).

4. The TDO cooling device according to claim 1, characterized in that: The quick installation assembly comprises a cross fixing frame (9), the motor cooling fan (10) is fixed on the surface of the cross fixing frame (9), and cavities are provided at the left and right ends of the cross fixing frame (9), and a clamping structure is provided inside the cavity.

5. The TDO cooling device according to claim 4, characterized in that: The clamping structure comprises a fixing pin (6), a spring and a pull block, one end of the spring is connected to the fixing pin (6), and the other end is connected to the inner wall of the cavity, one end of the pull block passes through the strip opening on the surface of the cross fixing frame (9) and is fixed to the surface of the fixing pin (6), and the fixing pin (6) is clamped with the opening on the surface of the fixed shell (2).

6. The TDO cooling device according to claim 5, characterized in that: The inner wall of the fixed shell (2) is connected to four support blocks (8) that match the cross fixing frame (9), wherein strip-shaped limiting plates (7) are provided on both sides of two support blocks (8).

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