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CN-224233345-U - Sensitive element protection device for protecting steady flow control system

CN224233345UCN 224233345 UCN224233345 UCN 224233345UCN-224233345-U

Abstract

The utility model relates to the technical field of steady flow cabinets and provides a protection device for protecting sensitive elements of a steady flow control system, which comprises a steady flow control cabinet body, wherein a first control winding and a second control winding are arranged on one side of the steady flow control cabinet body, a first capacitor is arranged on one side of the first control winding, a second capacitor is arranged on one side of the second control winding, a digital controller and a driving module are arranged in the steady flow control cabinet body, an output end of the first control winding is electrically connected with an input end of the first capacitor, an output end of the second control winding is electrically connected with an input end of the second capacitor, and transient overvoltage energy is absorbed and temporarily stored through quick charge and discharge characteristics of the first capacitor and the second capacitor, so that the direct impact on sensitive elements is avoided.

Inventors

  • LIU HONGWANG
  • LIU ZHITAO

Assignees

  • 甘肃中瑞铝业有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (10)

  1. 1. A protection device for a sensitive element of a steady flow control system is characterized by comprising a steady flow control cabinet body (1), wherein one side of the steady flow control cabinet body (1) is provided with a first control winding (3) and a second control winding (5), one side of the first control winding (3) is provided with a first capacitor (10), one side of the second control winding (5) is provided with a second capacitor (11), a digital controller and a driving module (12) are arranged in the steady flow control cabinet body (1), the output end of the first control winding (3) is electrically connected with the input end of the first capacitor (10), the output end of the second control winding (5) is electrically connected with the input end of the second capacitor (11), the output ends of the first control winding (3) and the second control winding (5) are electrically connected with the input ends of a digital controller and a driving module (12), one side in the steady flow control cabinet body (1) is provided with a monitoring PLC (14) and a driving module (12), the output end of the digital controller and the driving module (12) are electrically connected with the input end of the PLC (13) in parallel, the steady flow control mechanism (13) is electrically connected with the input end of the steady flow control cabinet (13), the front side of the steady flow control cabinet body (1) is provided with a sliding door mechanism.
  2. 2. The protection device for the sensitive element of the protection steady flow control system according to claim 1, wherein an alternating current interface I (6) and a direct current interface I (7) are arranged above one side of the steady flow control cabinet body (1), an alternating current interface II (8) and a direct current interface II (9) are arranged below one side of the steady flow control cabinet body (1), the alternating current interface I (6) and the alternating current interface II (8) are used for inputting alternating current, and the direct current interface I (7) and the direct current interface II (9) are used for inputting direct current.
  3. 3. The protection device for the sensitive element of the protection and steady flow control system according to claim 2, wherein the number of the digital controllers and the driving modules (12) is two, the output ends of the two digital controllers and the driving modules (12) are electrically connected with the input end of the steady flow PLC (13), the first alternating current interface (6) and the first direct current interface (7) are electrically connected with the upper digital controller and the driving module (12), and the second alternating current interface (8) and the second direct current interface (9) are electrically connected with the digital controller and the driving module (12) at the other side.
  4. 4. The protection device for the sensitive element of the protection steady flow control system according to claim 1, wherein the fixing mechanism comprises a back plate (15), a first inserting frame (16), a heat conducting plate (17), a temperature sensor (18), a flip cover (19), a signal transmitter (20), a second inserting frame (21) and an expansion bolt (22), the back plate (15) is fixed at the back surface of the steady flow control cabinet body (1), the second inserting frame (21) is fixedly connected to the outer side of the back plate (15), and the first inserting frame (16) is connected to the inner inserting of the back plate (15) and the second inserting frame (21).
  5. 5. The protection device for the sensitive element of the protection and steady flow control system according to claim 4, wherein a heat conducting plate (17) is arranged on one side of the first inserting frame (16), one side of the heat conducting plate (17) is positioned in the steady flow control cabinet body (1), the other side of the heat conducting plate (17) is positioned in the first inserting frame (16), and a temperature sensor (18) is fixedly connected to one side of the heat conducting plate (17).
  6. 6. The protection device for the sensitive element of the protection and steady flow control system according to claim 5, wherein a signal emitter (20) is fixedly connected to one side of the interior of the first plugging frame (16), and the signal emitters (20) are electrically connected with an external alarm module.
  7. 7. The protection device for the sensitive element of the protection and steady flow control system according to claim 6, wherein two inserting frames (21) are arranged, the two inserting frames (21) are distributed on the upper side and the lower side of the back plate (15), and expansion bolts (22) are fixedly penetrated at the overlapping positions of the inserting frames (16) and (21).
  8. 8. The protection device for the sensitive element of the protection and steady flow control system according to claim 7, wherein expansion bolts (22) are arranged on the upper side and the lower side of the first inserting frame (16) and the second inserting frame (21), and the expansion bolts (22) are distributed on the two ends of the upper side and the lower side of the overlapping position of the first inserting frame (16) and the second inserting frame (21).
  9. 9. The protection device for the sensitive element of the steady flow control system according to claim 1, wherein the sliding door mechanism comprises a sliding rail (2) and a sliding door body (4), the sliding rail (2) is distributed between the sliding door body (4) and the steady flow control cabinet body (1), the sliding door body (4) and the sliding rail (2) are combined into a sliding door, and the sliding door body (4) and the steady flow control cabinet body (1) are glass door plates.
  10. 10. The protection device for the sensitive element of the protection and steady flow control system according to claim 5, wherein a flip cover (19) is arranged on the outer side of the first inserting frame (16), and the flip cover (19) seals the inner part of the first inserting frame (16).

Description

Sensitive element protection device for protecting steady flow control system Technical Field The utility model relates to the technical field of steady flow cabinets, in particular to a protection device for protecting sensitive elements of a steady flow control system. Background The steady flow control cabinet is equipment for controlling and stabilizing current output, is widely applied to various occasions needing stable current supply, and is mainly used for controlling and stabilizing current output, so that a load device connected to the output end of the steady flow control cabinet can obtain stable current supply. It monitors and regulates the output current through a feedback mechanism, maintaining its stability, protecting the load device from current overloads and shorts ‌. Through retrieving, current patent (CN 222582723U) discloses a switch board with expelling parasite function, including the switch board shell, the switch board door is installed in the switch board shell outside, switch board shell side is provided with the switch board vent, vertical dead lever is installed to the vertical position of switch board shell, the crossbeam is installed to vertical dead lever top, the horizontal dead lever is installed to vertical dead lever below, the switch board shell is inside to be provided with heat abstractor in switch board vent department. The heat dissipating device comprises a shutter baffle and a heat dissipating fan. The right side inside the control cabinet shell is provided with an insect expelling lamp. An acoustic wave insect repellent is arranged above the insect repellent lamp. And a heating pad is arranged below the inner part of the control cabinet shell. The heat dissipation fans are arranged in two. Preferably, the heat dissipating device comprises a shutter and a heat dissipating fan. Preferably, the right side inside the control cabinet shell is provided with an insect expelling lamp. Preferably, an acoustic wave insect repellent is arranged above the insect repellent lamp. Preferably, a heating pad is arranged below the inner part of the control cabinet shell. Preferably, two heat dissipation fans are provided. Compared with the prior art, the insect-repellent lamp has the following beneficial effects that 1, by using the mode of combining the insect-repellent lamp and the sound wave insect-repellent device, the insect-repellent lamp attracts insects by utilizing light with specific wavelength, and when the insects approach, the insects are killed by the high-voltage power grid. This way the number of insects entering the interior of the control cabinet is effectively reduced, thereby protecting the electrical equipment from damage. Acoustic insect repellers emit ultrasonic or infrasonic waves that are almost silent to humans, which cause interference or discomfort to insects, forcing them away from the sound source. The mode can effectively disperse insects insensitive to light rays or capable of avoiding light source traps, and 2, by adding the cooling fan, the fan is arranged at the vent of the control cabinet, so that the air circulation rate can be greatly improved, and the rapid discharge of hot air and the introduction of cold air are promoted. The forced convection is more effective than natural convection, and can rapidly reduce the internal temperature and protect electronic components from overheat damage. However, in the above scheme, the internal sensitive element can be protected only by heat dissipation or insect expelling, and in the electrolysis process, frequent fluctuation of the heavy current load can cause instantaneous change of the power grid voltage, and problems such as high-frequency noise, voltage spike and direct current offset are generated. These transient voltage fluctuations are prone to over-voltage breakdown or thermal failure of components (e.g., IGBTs, drive circuits, sensors, etc.) inside the control cabinet, causing equipment damage and production interruption. In view of the above, the present utility model provides a protection device for protecting a sensing element of a steady flow control system. Disclosure of utility model The utility model provides a protection device for a sensitive element of a protection steady flow control system, which solves the problems that in the related art, the internal sensitive element can be protected only by a heat dissipation or insect expelling mode, and in the electrolysis process, the frequent fluctuation of a heavy current load can cause the instantaneous change of the voltage of a power grid, high-frequency noise, voltage spike, direct current offset and the like. These transient voltage fluctuations are prone to cause overvoltage breakdown or thermal failure of components (such as IGBTs, drive circuits, sensors, etc.) inside the control cabinet, resulting in equipment damage and production interruption. The technical scheme of the utility model is as follows: A protection device for prot