Frequency conversion control cabinet with anti-overload function

Abstract

The utility model relates to the technical field of frequency conversion control cabinets, in particular to a frequency conversion control cabinet with an anti-overload function, which comprises a main body mechanism, a heat dissipation mechanism and an auxiliary mechanism, the heat dissipation mechanism is fixedly arranged on the main body mechanism, and the auxiliary mechanism is fixedly arranged at the front part of the main body mechanism. The main body mechanism comprises a control cabinet body, a cabinet room, an access door, a bracket, a fixing block, an overload protector, a control button, an access circuit and an output circuit, the cabinet room is arranged in the cabinet body, the access door is arranged at the rear part of the control cabinet body, the fixing block is fixedly arranged at one end of the bracket, and the overload protector is fixedly arranged at the other end of the bracket. And the bracket is fixedly arranged in the cabinet room through a fixing block. When the frequency conversion control cabinet with the anti-overload function is used, equipment is connected into the overload protector through the access circuit and is connected out of the output circuit, and when the circuit in the control cabinet is overloaded, the overload protector is automatically disconnected, so that the device achieves the purpose of overload protection, and the safety of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency conversion control cabinets, in particular to a frequency conversion control cabinet with an overload protection function. Background Art

[0002] The frequency conversion control cabinet is mainly used to adjust the working frequency of the equipment, reduce energy loss, start the equipment smoothly, and reduce the damage to the motor caused by the large current generated when the equipment is directly started. At the same time, it has analog input (for speed control or feedback signal), PID control, pump switching control (for constant pressure), communication function, macro function (different parameter settings for different occasions), multi-speed, etc. It can be widely used in industrial and agricultural production and various types of buildings. Water supply, drainage, fire protection, sprinkler network boosting and HVAC hot and cold water circulation and other occasions of automatic control.

[0003] The Chinese utility model patent application publication specification CN207475396U discloses a frequency converter control cabinet with an anti-condensation function, including a control cabinet body, a temperature sensor, an electric push rod, a humidity sensor, a wind direction box, a PLC controller, a fan, an electric heating element, a motor, a vent, a dust cover, a bracket, a support plate, a shock absorbing device and a control board. A vent is provided on one side of the control cabinet body, a dust cover is installed at the vent, a control board is embedded and installed on one side of the control cabinet body, a temperature sensor is installed on one side of the top inner wall of the control cabinet body, and the top of the control cabinet body An electric push rod is installed on the other side of the inner wall, a humidity sensor is installed in the center of one side of the inner wall of the control cabinet body, a pallet is installed on one side of the inner wall of the control cabinet body, a PLC controller is installed on the bottom inner wall of the control cabinet body, the electric push rod is connected to the wind direction box, and a bracket is installed on the top of the pallet. The frequency converter control cabinet can prevent dust from entering, avoid condensation, and extend the service life. However, the device does not have an overload protection function, which results in the device being unable to be disconnected in time when overloaded during use, affecting the safety of the device. For this reason, we propose a frequency converter control cabinet with an overload protection function. Utility Model Content

[0004] The purpose of the utility model is to provide a frequency conversion control cabinet with an overload protection function to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A variable frequency control cabinet with an overload protection function comprises a main body mechanism, a heat dissipation mechanism and an auxiliary mechanism, wherein the heat dissipation mechanism is fixedly arranged on the main body mechanism, and the auxiliary mechanism is fixedly arranged at the front of the main body mechanism. The main body mechanism comprises a control cabinet body, a cabinet room, an inspection door, a bracket, a fixing block, an overload protector, a control button, an access circuit and an output circuit. The cabinet room is opened inside the cabinet body, and the inspection door is opened at the rear of the control cabinet body. The fixing block is fixedly arranged at one end of the bracket, and the bracket is fixedly arranged inside the cabinet room through the fixing block. The overload protector is fixedly arranged on the top of the bracket, and the control button is fixedly arranged on the overload protector. The access circuit is fixedly arranged on one side of the overload protector, and the output circuit is fixedly arranged on the other side of the overload protector.

[0007] Preferably, the heat dissipation mechanism includes a ventilator, a filter, a heat dissipation frame, a heat dissipation plate, a drain port and a mounting block, and the ventilator is fixedly arranged on the top of the control cabinet body.

[0008] Through the above solution, the ventilator is provided so that the control cabinet body can be ventilated and heat dissipated.

[0009] Preferably, the filter is fixedly arranged on the top of the ventilator, and the heat dissipation frame is opened on both sides of the control cabinet body.

[0010] Through the above solution, the heat dissipation frame is provided so that the heat dissipation plate can be installed on the heat dissipation frame.

[0011] Preferably, the drain outlets are provided on both sides of the control cabinet body, the mounting block is fixedly arranged at the rear of the control cabinet body, and the heat sink is fixedly arranged on the heat sink frame.

[0012] Through the above solution, the heat generated by the instruments inside the control cabinet body can be discharged in time by providing the heat dissipation plate.

[0013] Preferably, the auxiliary mechanism includes a hinge, a movable door, an observation window, a handle and fixing screws, and the hinge is fixedly arranged on one side of the control cabinet body.

[0014] Through the above solution, the movable door can be rotated by arranging the hinge.

[0015] Preferably, the movable door is fixedly arranged on one side of the hinge, and the observation window is opened on the movable door.

[0016] Through the above scheme, the working status of the overload protector is conveniently observed by setting an observation window.

[0017] Preferably, the handle is fixedly arranged on the movable door, and the fixing screw is fixedly arranged on the movable door.

[0018] According to the above scheme, the movable door can be conveniently controlled to move by providing a handle.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The frequency conversion control cabinet with overload protection function, when in use, the equipment is connected to the overload protector through the access circuit and is connected from the output circuit. When the circuit in the control cabinet is overloaded, the overload protector is automatically disconnected, so that the device achieves the purpose of overload protection and improves the safety of the equipment.

[0021] The frequency conversion control cabinet with an anti-overload function is provided with a ventilator so that the control cabinet body can be ventilated and dissipated, and a heat sink is provided so that the heat generated by the instruments inside the control cabinet body can be discharged in time. A handle is provided to facilitate the control of the movable door to move. The above design improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the structure of the overload protector and the inspection door of the utility model;

[0025] Figure 4 This is a schematic diagram of the bracket and the fixing block structure of the utility model.

[0026] In the figure: 1. Main mechanism; 101. Control cabinet body; 102. Cabinet room; 103. Inspection door; 104. Bracket; 105. Fixing block; 106. Overload protector; 107. Control button; 108. Incoming circuit; 109. Outgoing circuit; 2. Heat dissipation mechanism; 201. Ventilator; 202. Filter; 203. Heat dissipation frame; 204. Heat dissipation plate; 205. Drain port; 206. Mounting block; 3. Auxiliary mechanism; 301. Hinge; 302. Movable door; 303. Observation window; 304. Handle; 305. Fixing screw. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0029] A variable frequency control cabinet with an overload protection function comprises a main mechanism 1, a heat dissipation mechanism 2 and an auxiliary mechanism 3, wherein the heat dissipation mechanism 2 is fixedly arranged on the main mechanism 1, and the auxiliary mechanism 3 is fixedly arranged at the front of the main mechanism 1. The main mechanism 1 comprises a control cabinet body 101, a cabinet room 102, an inspection door 103, a bracket 104, a fixing block 105, an overload protector 106, a control button 107, an input circuit 108 and an output circuit 109, the cabinet room 102 is arranged inside the cabinet body, the inspection door 103 is arranged at the rear of the control cabinet body 101, the fixing block 105 is fixedly arranged at one end of the bracket 104, the bracket 104 is fixedly arranged inside the cabinet room 102 through the fixing block 105, the overload protector 106 is fixedly arranged on the top of the bracket 104, the control button 107 is fixedly arranged on the overload protector 106, the input circuit 108 is fixedly arranged on one side of the overload protector 106, and the output circuit 109 is fixedly arranged on the other side of the overload protector 106.

[0030] In this embodiment, preferably, the heat dissipation mechanism 2 includes a ventilator 201 , a filter 202 , a heat dissipation frame 203 , a heat dissipation plate 204 , a drain port 205 and a mounting block 206 , and the ventilator 201 is fixedly disposed on the top of the control cabinet body 101 .

[0031] Through the above solution, the ventilator 201 is provided so that the control cabinet body 101 can be ventilated and heat-dissipated.

[0032] In this embodiment, preferably, the filter screen 202 is fixedly arranged on the top of the ventilator 201 , and the heat dissipation frame 203 is opened on both sides of the control cabinet body 101 .

[0033] Through the above solution, the heat dissipation frame 203 is provided so that the heat dissipation plate 204 can be installed on the heat dissipation frame 203 .

[0034] In this embodiment, preferably, the drain ports 205 are opened on both sides of the control cabinet body 101 , the mounting block 206 is fixedly disposed at the rear of the control cabinet body 101 , and the heat sink 204 is fixedly disposed on the heat sink frame 203 .

[0035] Through the above solution, the heat generated by the instruments inside the control cabinet body 101 can be discharged in time by providing the heat dissipation plate 204 .

[0036] In this embodiment, preferably, the auxiliary mechanism 3 includes a hinge 301 , a movable door 302 , an observation window 303 , a handle 304 and a fixing screw 305 , and the hinge 301 is fixedly arranged on one side of the control cabinet body 101 .

[0037] Through the above solution, the hinge 301 is provided so that the movable door 302 can be rotated.

[0038] In this embodiment, preferably, the movable door 302 is fixedly arranged on one side of the hinge 301 , and the observation window 303 is opened on the movable door 302 .

[0039] According to the above solution, the observation window 303 is provided to facilitate observation of the working status of the overload protector 106 .

[0040] In this embodiment, preferably, the handle 304 is fixedly disposed on the movable door 302 , and the fixing screw 305 is fixedly disposed on the movable door 302 .

[0041] According to the above solution, the handle 304 is provided to facilitate the control of the movable door 302 to move.

[0042] When a frequency conversion control cabinet with an overload protection function of the present embodiment is in use, the device is connected to the overload protector 106 through the access circuit 108 and is connected from the output circuit 109. When the circuit in the control cabinet is overloaded, the overload protector 106 is automatically disconnected, so that the device achieves the purpose of overload protection and improves the safety of the equipment. The ventilator 201 is provided so that the control cabinet body 101 can be ventilated and dissipated. The heat dissipation plate 204 is provided so that the heat generated by the instruments inside the control cabinet body 101 can be discharged in time. The handle 304 is provided to facilitate the control of the movable door 302 to move. The above design improves the practicality of the device.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A frequency conversion control cabinet with an overload protection function, comprising a main mechanism (1), a heat dissipation mechanism (2) and an auxiliary mechanism (3), characterized in that: The heat dissipation mechanism (2) is fixedly arranged on the main mechanism (1), and the auxiliary mechanism (3) is fixedly arranged on the front part of the main mechanism (1). The main mechanism (1) comprises a control cabinet body (101), a cabinet room (102), an inspection door (103), a bracket (104), a fixing block (105), an overload protector (106), a control button (107), an input circuit (108), and an output circuit (109). The cabinet room (102) is provided inside the cabinet body (101), and the inspection door (103) is provided inside the control cabinet body. (101), the fixing block (105) is fixedly arranged at one end of the bracket (104), the bracket (104) is fixedly arranged inside the cabinet (102) through the fixing block (105), the overload protector (106) is fixedly arranged on the top of the bracket (104), the control button (107) is fixedly arranged on the overload protector (106), the input circuit (108) is fixedly arranged on one side of the overload protector (106), and the output circuit (109) is fixedly arranged on the other side of the overload protector (106).

2. The frequency conversion control cabinet with overload protection function according to claim 1 is characterized in that: The heat dissipation mechanism (2) comprises a ventilator (201), a filter screen (202), a heat dissipation frame (203), a heat dissipation plate (204), a drain port (205) and a mounting block (206); the ventilator (201) is fixedly arranged on the top of the control cabinet body (101).

3. The frequency conversion control cabinet with overload protection function according to claim 2 is characterized in that: The filter screen (202) is fixedly arranged on the top of the ventilator (201), and the heat dissipation frame (203) is opened on both sides of the control cabinet body (101).

4. The frequency conversion control cabinet with overload protection function according to claim 2 is characterized in that: The drainage openings (205) are provided on both sides of the control cabinet body (101), the mounting block (206) is fixedly arranged at the rear of the control cabinet body (101), and the heat dissipation plate (204) is fixedly arranged on the heat dissipation frame (203).

5. The frequency conversion control cabinet with overload protection function according to claim 1 is characterized in that: The auxiliary mechanism (3) comprises a hinge (301), a movable door (302), an observation window (303), a handle (304) and a fixing screw (305); the hinge (301) is fixedly arranged on one side of the control cabinet body (101).

6. The frequency conversion control cabinet with overload protection function according to claim 5, characterized in that: The movable door (302) is fixedly arranged on one side of the hinge (301), and the observation window (303) is provided on the movable door (302).

7. The frequency conversion control cabinet with overload protection function according to claim 5, characterized in that: The handle (304) is fixedly disposed on the movable door (302), and the fixing screw (305) is fixedly disposed on the movable door (302).

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