Constant temperature and humidity control cabinet

Abstract

The constant-temperature and constant-humidity control cabinet comprises a control cabinet body and a cabinet door rotationally installed on the front side of the control cabinet body, the right side of the control cabinet body is fixedly connected with a circular box with an opening in the left side, and the inner wall of the right side of the circular box is movably in contact with a disc-shaped stainless steel filter screen; and an air inlet with an inclined bottom inner wall is formed in the top of the right side of the circular box. By arranging a series of structures, constant-temperature and constant-humidity control of the control cabinet main body is facilitated by monitoring temperature and humidity values and automatically performing blowing heat dissipation and dehumidification, and the upper part and the lower part of the disc-shaped stainless steel filter screen can be conveniently and automatically rotated, exchanged and utilized at regular time; and the air discharged after blowing and heat dissipation is directly used for back-blowing, dredging and cleaning, knocking and vibrating are not needed, the low-noise and low-vibration use requirements of the control cabinet main body are met, knocking and vibrating driving structures such as linkage do not need to be additionally arranged on the fan, the running resistance of the fan is not increased, the running stability of the fan is improved, and the service life of the fan is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of control cabinets, in particular to a constant temperature and humidity control cabinet. Background Art

[0002] A control cabinet is a switchgear, measuring instrument, protective electrical appliance and auxiliary equipment assembled in a closed or semi-closed metal cabinet or on a screen according to electrical wiring requirements. Its layout should meet the requirements for normal operation of the power system, be easy to repair, and not endanger the safety of people and surrounding equipment. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. A constant temperature and humidity control cabinet refers to a control cabinet that can control the temperature and humidity in the cabinet within a certain range. By controlling the temperature and humidity in the control cabinet, its internal components are not easily damaged and the service life is extended. Existing constant temperature and humidity automatic control cabinets, when in use, mostly use a heat dissipation fan to blow the inside of the cabinet to control the temperature and humidity inside the control cabinet. In order to avoid the entry of dust, most of them will be equipped with dustproof nets at their heat dissipation holes. However, the dustproof nets do not have the function of self-cleaning. Dust is easy to accumulate and block the outside of the dustproof net, resulting in reduced ventilation efficiency at the air inlet.

[0003] In this regard, after searching, publication number CN214227397U discloses a constant temperature and humidity automatic control cabinet, including a control cabinet body, and a cabinet door rotatably installed on the front side of the control cabinet body, the front side of the cabinet door is embedded with a control display screen, the top of the control cabinet body is fixedly connected with a temperature and humidity sensor, the detection end of the temperature and humidity sensor extends into the control cabinet body, and the temperature and humidity sensor is electrically connected to the control display screen; it uses a heat dissipation fan to blow the inside of the control cabinet body, in conjunction with the setting of the temperature and humidity sensor and the single-chip microcomputer, to achieve the purpose of automatically controlling the temperature and humidity of the control cabinet body, and is convenient for continuous circulation and vibration of the inclined second dustproof net, so as to effectively shake off the dust particles accumulated on the outside thereof, alleviate the phenomenon of blockage by dust accumulation, ensure stable air entry, improve the heat dissipation and dehumidification effect, and meet the use requirements.

[0004] The above technology discloses a constant temperature and humidity automatic control cabinet, which blows air into the control cabinet through a heat dissipation fan, cooperates with the setting of temperature and humidity sensors and a single-chip microcomputer, so as to realize the purpose of automatically controlling the temperature and humidity of the control cabinet body, and realizes the self-cleaning effect by knocking and vibrating the second dustproof net through the rotation of the motor of the heat dissipation fan and a series of transmission knocking and vibration structures. However, there are the following deficiencies when using it: 1. The method of continuously knocking and vibrating the dustproof net to remove dust during heat dissipation will undoubtedly increase the vibration phenomenon during operation, resulting in the generation of large noise, vibration and other phenomena, which cannot meet the low-noise and low-vibration use requirements of the control cabinet; 2. In addition, by connecting a transmission structure to the fan and knocking and vibrating it in cooperation with the knocking and vibration structure, it will undoubtedly increase the operating resistance of the fan and affect its stable operation; in view of this, the application proposes a constant temperature and humidity control cabinet after redesign and improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a constant temperature and humidity control cabinet to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a constant temperature and humidity control cabinet, comprising a control cabinet body and a cabinet door rotatably mounted on the front side thereof, a circular box with an opening on the left side fixedly connected to the right side of the control cabinet body, a disc-shaped stainless steel filter movably contacted on the right inner wall of the circular box, an air inlet with an inclined bottom inner wall on the right top of the circular box, a fan embedded and fixed on the right top of the control cabinet body, the right side of the fan is an air inlet and aligned with the air inlet, the left side of the fan is an air outlet and connected to the inside of the control cabinet body, and the fan is used to extract external air through the upper part of the disc-shaped stainless steel filter and the air inlet and blow it into the control cabinet body for heat dissipation;

[0007] The control cabinet body is provided with a timing rotary drive adjustment component fixedly connected to the center of the left side of the disc-shaped stainless steel filter screen, and a slag discharge hole is provided at the right bottom of the circular box. The timing rotary drive adjustment component is used to automatically drive the disc-shaped stainless steel filter screen to rotate half a circle to adjust the upper and lower parts;

[0008] An exhaust gas collection back-blowing cleaning component is embedded and fixed on the right inner wall of the control cabinet body. The exhaust gas collection back-blowing cleaning component is aligned with the slag discharge hole. The exhaust gas collection back-blowing cleaning component cooperates with the left bottom of the disc-shaped stainless steel filter. The exhaust gas collection back-blowing cleaning component is used to collect the blown heat dissipation gas and use the collected gas to back-blow and clean the lower part of the disc-shaped stainless steel filter. The slag discharge hole is used to discharge impurities cleaned by back-blowing;

[0009] A dehumidifier is fixedly installed on the bottom inner wall of the control cabinet body, and a temperature and humidity detection control component is fixedly installed on the top inner wall of the control cabinet body. The dehumidifier and the fan are electrically connected to the temperature and humidity detection control component. The temperature and humidity detection control component is used to monitor the temperature and humidity inside the control cabinet body and automatically control the opening and closing of the fan and dehumidifier according to the temperature and humidity values, and use the dehumidifier to perform dehumidification work.

[0010] Preferably, the timing rotary drive adjustment assembly includes a rotating shaft rotatably installed on the right side of the control cabinet body, the right end of the rotating shaft is fixedly connected to the left center of the disc-shaped stainless steel filter, and a servo motor with an output shaft fixedly connected to the left end of the rotating shaft is fixedly installed on the right inner wall of the control cabinet body, and a timing programming controller is fixed to the front side of the servo motor and electrically connected.

[0011] Preferably, the exhaust collection backflush cleaning assembly includes a backflush box embedded and fixed on the right inner wall of the control cabinet body, the left side of the backflush box is connected and fixed with an air collecting hood, and the right side of the backflush box is connected and fixed with a plurality of backflush pipe heads aligned with the slag discharge holes, and the backflush pipe heads cooperate with the left bottom of the disc-shaped stainless steel filter.

[0012] Preferably, the temperature and humidity detection control component includes a temperature and humidity sensor and a PLC controller fixedly mounted on the top inner wall of the control cabinet body, and the temperature and humidity sensor, fan and dehumidifier are all electrically connected to the PLC controller.

[0013] Preferably, two obliquely arranged baffles are fixedly connected to the right side of the circular box, and the two baffles are respectively located above the air inlet and the slag discharge hole.

[0014] Preferably, the fan is located above the servo motor, and the backflush box is located below the servo motor.

[0015] Preferably, a long rectangular groove is opened on the right inner wall of the control cabinet body, a circular hole connected to the long rectangular groove is opened on the right side of the control cabinet body, a bearing is fixedly sleeved in the circular hole, and the inner ring of the bearing is fixedly sleeved with the outer side of the rotating shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. This constant temperature and humidity control cabinet can automatically blow air to cool and dehumidify the control cabinet body when the temperature and humidity exceed the preset value through the cooperation of the temperature and humidity detection control component, dehumidifier, fan, disc-shaped stainless steel filter and air inlet hole, so as to achieve the effect of automatic constant temperature and humidity control inside the control cabinet body, and can filter and intercept solid impurities in the gas when drawing external gas to blow it into the interior for heat dissipation, so as to prevent a large amount of impurities from entering the control cabinet body and causing contamination;

[0018] 2. This constant temperature and humidity control cabinet can automatically and regularly rotate and exchange the upper and lower parts of the disc-shaped stainless steel filter through the cooperation of the set disc-shaped stainless steel filter, slag discharge hole, timed rotary drive adjustment component and exhaust collection back-blowing cleaning component, and use the gas discharged after blowing and heat dissipation to always directly back-blow and clear it at the lower part. The upper part can be kept in a ventilated and unobstructed state by switching up and down. The part of the disc-shaped stainless steel filter that rotates to the lower part after use can be cleaned and cleared through back-blowing cleaning, and the standby and gas supply discharge work before rotating again can be performed without knocking and vibration, so that no large noise and vibration phenomenon will be generated, and the effect of low-noise and low-vibration self-cleaning and dredging can be achieved, meeting the low-noise and low-vibration use requirements of the control cabinet body;

[0019] 3. This constant temperature and humidity control cabinet uses the gas discharged by the blowing to perform backblowing cleaning and dredging. There is no need to add linkage and other knocking and vibration driving structures to the fan, which will not increase the running resistance of the fan, thereby improving its running stability and service life.

[0020] The utility model is provided with a series of structures, which makes it convenient to control the constant temperature and humidity of the control cabinet main body by automatically blowing air to dissipate heat and dehumidify through monitoring the temperature and humidity values, and is convenient to automatically and regularly rotate and exchange the upper and lower parts of the disc-shaped stainless steel filter, and use the gas discharged after blowing air to dissipate heat to directly carry out backblowing and clearing it, without the need for knocking and vibration work, thus meeting the low-noise and low-vibration use requirements of the control cabinet main body, and without the need to add linkage or other knocking and vibration driving structures to the fan, which will not increase the operating resistance of the fan, thereby improving its operating stability and service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a constant temperature and humidity control cabinet proposed by the utility model;

[0022] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of ;

[0023] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0024] Figure 4 The utility model is a left view of a fan of a constant temperature and humidity control cabinet.

[0025] In the figure: 1. Control cabinet body; 101. Cabinet door; 2. PLC controller; 3. Temperature and humidity sensor; 4. Dehumidifier; 5. Round box; 6. Disc-shaped stainless steel filter; 7. Air inlet; 8. Fan; 9. Slag discharge hole; 10. Rotating shaft; 11. Servo motor; 12. Timing programming controller; 13. Backflush box; 14. Air collecting hood; 15. Backflush pipe head; 16. Baffle. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figures 1 to 4As shown, a constant temperature and humidity control cabinet proposed in this embodiment includes a control cabinet body 1 and a cabinet door 101 rotatably installed on the front side thereof, a circular box 5 with an opening on the left side is fixedly connected to the right side of the control cabinet body 1, a disc-shaped stainless steel filter 6 is movably contacted on the right inner wall of the circular box 5, an air inlet 7 with an inclined bottom inner wall is provided on the right top of the circular box 5, a fan 8 is embedded and fixed on the right top of the control cabinet body 1, wherein a first embedding hole fixedly connected to the outside of the fan 8 is provided on the right top of the control cabinet body 1, the right side of the fan 8 is an air inlet and is aligned with the air inlet 7, the left side of the fan 8 is an air outlet and is connected to the inside of the control cabinet body 1, and the fan 8 is used to extract external air through the upper part of the disc-shaped stainless steel filter 6 and the air inlet 7 and blow it into the control cabinet body 1 for heat dissipation;

[0028] A timed rotary drive adjustment component fixedly connected to the left center of the disc-shaped stainless steel filter 6 is installed on the control cabinet body 1. A slag discharge hole 9 is opened at the right bottom of the circular box 5. The timed rotary drive adjustment component is used to automatically drive the disc-shaped stainless steel filter 6 to rotate half a circle to adjust the upper and lower parts; an exhaust gas collection backwash cleaning component is embedded and fixed on the right inner wall of the control cabinet body 1. The exhaust gas collection backwash cleaning component is aligned with the slag discharge hole 9. The exhaust gas collection backwash cleaning component cooperates with the left bottom of the disc-shaped stainless steel filter 6. Two inclined baffles 16 are fixedly connected to the right side of the circular box 5. The two baffles 16 are respectively located above the air inlet hole 7 and the slag discharge hole 9, which play a protective effect above the air inlet hole 7 and the slag discharge hole 9. The gas collection backblowing cleaning component is used to collect the blown-in heat dissipation gas and use the collected gas to backblow and clean the lower part of the disc-shaped stainless steel filter 6. The slag discharge hole 9 is used to discharge the impurities cleaned by backblowing. The baffle 16 used to protect the upper part of the slag discharge hole 9 can reduce the phenomenon of the discharged impurities rushing up and being extracted; a dehumidifier 4 is fixedly installed on the bottom inner wall of the control cabinet body 1, and a temperature and humidity detection control component is fixedly installed on the top inner wall of the control cabinet body 1. The dehumidifier 4 and the fan 8 are electrically connected to the temperature and humidity detection control component. The temperature and humidity detection control component is used to monitor the temperature and humidity inside the control cabinet body 1 and automatically control the opening and closing of the fan 8 and the dehumidifier 4 according to the temperature and humidity values, and use the dehumidifier 4 to perform dehumidification.

[0029] Specifically, the timing rotary drive adjustment component includes a rotating shaft 10 rotatably mounted on the right side of the control cabinet body 1, wherein a long rectangular groove is opened on the right inner wall of the control cabinet body 1, and a circular hole connected to the long rectangular groove is opened on the right side of the control cabinet body 1. A bearing is fixedly sleeved in the circular hole, and the inner ring of the bearing is fixedly sleeved on the outer side of the rotating shaft 10, which plays the effect of rotatably mounting the rotating shaft 10. The right end of the rotating shaft 10 is fixedly connected to the left center of the disc-shaped stainless steel filter 6, and the output shaft and the rotating shaft are fixedly installed on the right inner wall of the control cabinet body 1. A servo motor 11 is fixedly connected to the left end of 10, and a timing programming controller 12 is fixed and electrically connected to the front side of the servo motor 11; the rotating shaft 10, the servo motor 11 and the timing programming controller 12 are arranged to cooperate, and the timing programming controller 12 is used to preset the start time of the servo motor 11, and each start is set to rotate half a circle, so as to achieve the effect of timing automatic control of the servo motor 11 driving the disc-shaped stainless steel filter 6 to rotate half a circle through the rotating shaft 10, and the upper and lower parts can be rotated by rotating half a circle to ensure the smooth air intake effect of the upper part.

[0030] Furthermore, the exhaust collection backblowing cleaning component includes a backblowing box 13 embedded and fixed on the right inner wall of the control cabinet body 1, wherein the right inner wall of the control cabinet body 1 is provided with a second embedding hole fixedly connected to the outer side of the backblowing box 13, the left side of the backblowing box 13 is connected and fixed with an air collecting hood 14, and the right side of the backblowing box 13 is connected and fixed with multiple backblowing pipe heads 15 aligned with the slag discharge hole 9, the backblowing pipe head 15 cooperates with the left bottom of the disc-shaped stainless steel filter 6, the fan 8 is located above the servo motor 11, and the backblowing box 13 is located below the servo motor 11; the backblowing box 13, the air collecting hood 14 and the backblowing pipe head 15 are arranged to cooperate, and the air collecting hood 14 is used to collect the heat dissipation gas blown into the control cabinet body 1 and transport it to the backblowing box 13, and the gas is blown out to the right through multiple backblowing pipe heads 15, so as to achieve the effect of backblowing, cleaning and dredging the lower part of the disc-shaped stainless steel filter 6 by using the heat dissipation exhaust gas.

[0031] Furthermore, the temperature and humidity detection control component includes a temperature and humidity sensor 3 and a PLC controller 2 fixedly mounted on the top inner wall of the control cabinet body 1, and the temperature and humidity sensor 3, the fan 8 and the dehumidifier 4 are all electrically connected to the PLC controller 2; the set temperature and humidity sensor 3 and the PLC controller 2 cooperate with each other, and the temperature and humidity sensor 3 is used to monitor the temperature and humidity in the control cabinet body 1 and transmit the temperature and humidity values ​​to the PLC controller 2, and the PLC controller 2 is used to control the fan 8 or the dehumidifier 4 to start respectively when the temperature and humidity exceed the preset values.

[0032] The method of use of this embodiment is as follows: the temperature and humidity sensor 3 monitors the temperature and humidity in the control cabinet body 1 in real time and transmits the temperature and humidity values ​​to the PLC controller 2. When the humidity value exceeds the preset value, the PLC controller 2 controls the dehumidifier 4 to start dehumidification. When the temperature value exceeds the preset value, the PLC controller 2 controls the fan 8 to start. When the fan 8 is turned on, external air is extracted through the upper part of the disc-shaped stainless steel filter 6 and the air inlet 7 and blown into the control cabinet body 1 for heat dissipation. The disc-shaped stainless steel filter 6 filters and intercepts solid impurities in the gas entering from the outside to prevent a large amount of impurities from entering the control cabinet body 1 and causing contamination, thereby achieving the effect of automatically dehumidifying and cooling the control cabinet body 1. By presetting the humidity value and temperature value for controlling the dehumidifier 4 and the fan 8 to start and stop respectively, the PLC controller 2 can be used to control the dehumidifier 4 or the fan 8 to automatically shut down when it is reduced to the preset value, and the effect of constant temperature and humidity control in the control cabinet body 1 can be achieved by using the automatic start and stop method.

[0033] The start-up time and interval of the servo motor 11 are pre-set by using the timing programming controller 12 according to the cleaning requirements of the disc-shaped stainless steel filter 6, and each start-up is set to rotate half a circle. When the cleaning time is reached, the timing programming controller 12 controls the servo motor 11 to start half a circle, and the servo motor 11 drives the disc-shaped stainless steel filter 6 to rotate half a circle. At this time, the upper part of the disc-shaped stainless steel filter 6 used for filtering rotates to the lower part, and the part originally located at the lower part rotates to the upper part to continue filtering, forming an effect of automatically rotating and exchanging the upper and lower parts of the disc-shaped stainless steel filter 6 at a fixed time. When the gas is blown into the control cabinet body 1 for blowing and heat dissipation, the gas collecting hood 14 is used to collect the heat dissipation gas blown into the control cabinet body 1 and transport it to the backblowing box 13, and the gas passes through a plurality of backblowing pipe heads 15 to the right. Blow out, the gas blown out to the right is used to back-blow, clean and dredge the lower part of the disc-shaped stainless steel filter 6. By utilizing the exhaust gas discharged by blowing heat to back-blow, clean and dredge the lower part of the disc-shaped stainless steel filter 6, and coordinating the automatic rotation and exchange of the upper and lower parts of the disc-shaped stainless steel filter 6 at a fixed time, the gas discharged after blowing heat can be used to directly clean and dredge the disc-shaped stainless steel filter 6 without knocking and vibrating. Therefore, no large noise and vibration will be generated, and the effect of low-noise and low-vibration self-cleaning and dredging will be achieved, meeting the low-noise and low-vibration use requirements of the control cabinet main body 1; in addition, the method of back-blow, clean and dredge using the gas discharged by blowing does not need to add linkage or other knocking and vibration driving structures to the fan 8, and will not increase the operating resistance of the fan 8, thereby improving its operating stability and service life.

[0034] Among them, the temperature and humidity sensor 3, PLC controller 2, fan 8 and dehumidifier 4, as well as timing programming controller 12 and servo motor 11 in the utility model are well known to those skilled in the art, and belong to conventional means or common knowledge. Those skilled in the art can make any optional selections according to their needs or convenience. In addition, the PLC controller 2 is used to receive the temperature and humidity values ​​transmitted by the temperature and humidity sensor 3 and control the opening and closing of the fan 8 or dehumidifier 4 when the preset values ​​are exceeded, and the timing programming controller 12 is used to edit the timing start time to control the opening and closing of the servo motor 11. These are basic parameter setting control methods well known to those skilled in the art, and all belong to conventional means or common knowledge, which will not be repeated here.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A constant temperature and humidity control cabinet, comprising a control cabinet body (1) and a cabinet door (101) rotatably mounted on the front side thereof, characterized in that: The right side of the control cabinet body (1) is fixedly connected to a circular box (5) with an opening on the left side, a disc-shaped stainless steel filter (6) is movably contacted on the right inner wall of the circular box (5), an air inlet (7) with an inclined bottom inner wall is provided on the right top of the circular box (5), a fan (8) is embedded and fixed on the right top of the control cabinet body (1), the right side of the fan (8) is an air inlet and is aligned with the air inlet (7), and the left side of the fan (8) is an air outlet and is connected to the inside of the control cabinet body (1); The control cabinet body (1) is provided with a timing rotation drive adjustment assembly fixedly connected to the left center of the disc-shaped stainless steel filter (6), and a slag discharge hole (9) is provided at the right bottom of the circular box (5); An exhaust gas collection back-blowing cleaning component is embedded and fixed on the right inner wall of the control cabinet body (1), the exhaust gas collection back-blowing cleaning component is aligned with the slag discharge hole (9), and the exhaust gas collection back-blowing cleaning component is matched with the left bottom of the disc-shaped stainless steel filter (6); A dehumidifier (4) is fixedly mounted on the bottom inner wall of the control cabinet body (1), and a temperature and humidity detection control component is fixedly mounted on the top inner wall of the control cabinet body (1). The dehumidifier (4) and the fan (8) are both electrically connected to the temperature and humidity detection control component.

2. A constant temperature and humidity control cabinet according to claim 1, characterized in that: The timing rotary drive adjustment component comprises a rotating shaft (10) rotatably mounted on the right side of the control cabinet body (1), the right end of the rotating shaft (10) being fixedly connected to the left center of the disc-shaped stainless steel filter (6), a servo motor (11) having an output shaft fixedly connected to the left end of the rotating shaft (10) being fixedly mounted on the right inner wall of the control cabinet body (1), and a timing programming controller (12) being fixedly mounted and electrically connected to the front side of the servo motor (11).

3. A constant temperature and humidity control cabinet according to claim 2, characterized in that: The exhaust gas collection backflush cleaning component comprises a backflush box (13) embedded and fixed on the right inner wall of the control cabinet body (1); the left side of the backflush box (13) is connected and fixed with an air collecting hood (14); the right side of the backflush box (13) is connected and fixed with a plurality of backflush pipe heads (15) aligned with the slag discharge holes (9); the backflush pipe heads (15) are matched with the left bottom of the disc-shaped stainless steel filter (6).

4. A constant temperature and humidity control cabinet according to claim 3, characterized in that: The temperature and humidity detection control component comprises a temperature and humidity sensor (3) and a PLC controller (2) fixedly mounted on the top inner wall of a control cabinet body (1); the temperature and humidity sensor (3), the fan (8) and the dehumidifier (4) are all electrically connected to the PLC controller (2).

5. A constant temperature and humidity control cabinet according to claim 1, characterized in that: Two obliquely arranged baffles (16) are fixedly connected to the right side of the circular box (5), and the two baffles (16) are respectively located above the air inlet (7) and the slag discharge hole (9).

6. A constant temperature and humidity control cabinet according to claim 3, characterized in that: The fan (8) is located above the servo motor (11), and the backflush box (13) is located below the servo motor (11).

7. A constant temperature and humidity control cabinet according to claim 2, characterized in that: A long rectangular groove is provided on the right inner wall of the control cabinet body (1), a circular hole connected to the long rectangular groove is provided on the right side of the control cabinet body (1), a bearing is fixedly sleeved in the circular hole, and the inner ring of the bearing is fixedly sleeved on the outer side of the rotating shaft (10).

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