Protection monitoring system for de-excitation resistor
By designing a protective monitoring system on the demagnetizing resistor and using sensors and a rotary drive mechanism to seal the ventilation slots, the problem of cabinet damage caused by the combustion of the demagnetizing resistor was solved, achieving a safety protection effect.
Patent Information
- Application Number
- CN202511284219.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2025-12-26
AI Technical Summary
The existing demagnetizing resistors are not protected within the cabinet, which may cause damage to the cabinet and adjacent equipment when they burn at high temperatures, resulting in significant losses and dangers.
A protective monitoring system was designed, including a control box, an equipment cabinet, a rotary drive mechanism, and a protective mechanism. Temperature and smoke sensors are used to monitor the temperature and smoke concentration of the demagnetizing resistor. When the preset value is reached, the controller drives the rotary drive mechanism to rotate the cylindrical shell, which closes the ventilation slots and prevents the fire from spreading.
When the demagnetizing resistor is burning, promptly seal the ventilation slots to prevent the fire from spreading, reduce losses and dangers, and protect the safety of the cabinet and adjacent equipment.
Smart Images

Figure CN121197733A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a kind of protection monitoring systems, in particular a kind of protection monitoring system for de-excitation resistor. BACKGROUND
[0002] At present, existing de-excitation resistor is directly installed in cabinet, and de-excitation resistor is not protected, once de-excitation resistor burns at high temperature, then it can cause the combustion inside the cabinet, and other electrical equipment inside can also be burned, even it can affect other adjacent equipment cabinet. Therefore, it is necessary to design a kind of protection monitoring system for de-excitation resistor, which can protect in time when de-excitation resistor burns, avoid the whole cabinet to burn, effectively reduce loss and danger. SUMMARY
[0003] The purpose of the present application is to provide a kind of protection monitoring system for de-excitation resistor, which can protect in time when de-excitation resistor burns, avoid the whole cabinet to burn, effectively reduce loss and danger.
[0004] Technical scheme: the protection monitoring system for de-excitation resistor provided by the present application includes control box, equipment cabinet, rotary drive mechanism and two protection mechanisms; the protection mechanism includes cylindrical inner shell and cylindrical outer shell; the controller and the wireless communication module electrically connected with the controller are arranged in the control box; the cylindrical inner shell is installed in the equipment cabinet; the cylindrical outer shell is rotatably installed on the cylindrical inner shell through the rotary mounting unit; the cylindrical inner shell is located in the cylindrical outer shell, and the outer wall is close to the inner wall of the cylindrical outer shell; the clamping unit for clamping de-excitation resistor is installed in the cylindrical inner shell; the rectangular ventilation window is arranged on the cylindrical inner shell; the rectangular ventilation slot corresponding to the position of the rectangular ventilation window is arranged on the cylindrical outer shell; the rotary drive mechanism is installed in the equipment cabinet, for driving the rotation of the cylindrical outer shell of the two protection mechanisms, and is driven and controlled by the controller; the temperature sensor and the smoke sensor electrically connected with the controller are installed in the cylindrical inner shell.
[0005] Further, the equipment cabinet includes cabinet body and cabinet door; the cabinet door is hingedly installed on the cabinet body; the control box is installed on the cabinet door; the display screen and the key panel electrically connected with the controller are installed on the control box.
[0006] Further, it further includes electrical equipment box; the electrical equipment box is installed in the equipment cabinet; the lock hole is arranged on the electrical equipment box; the locking seat for the end of the lock hole is arranged on the cabinet door; the electric lock electrically connected with the controller is installed in the electrical equipment box, and the electric lock is used for locking the extension end of the locking seat.
[0007] Further, the audible and visual alarm electrically connected with the controller is installed on the top of the equipment cabinet.
[0008] Further, the rotating driving mechanism comprises a rotating driving motor and two driven gear rings; the two driven gear rings are respectively installed on the two cylindrical housings; the rotating driving motor drives the two driven gear rings to rotate through a driving gear, and is electrically connected with the controller through a rotating driving circuit.
[0009] Further, the clamping unit comprises a fixed clamping seat and a movable clamping seat; the fixed clamping seat is fixed in the cylindrical inner housing; the movable clamping seat is detachably installed on the fixed clamping seat; a clamping arc-shaped groove for clamping the end part of the demagnetization resistor is oppositely arranged on the movable clamping seat and the fixed clamping seat.
[0010] Further, the rotating installation unit comprises a pipe shaft and a bearing; the lower end of the pipe shaft is coaxially and rotatably installed on the cylindrical inner housing through the bearing, and the upper end is fixedly communicated with the cylindrical housing; two electrode columns located in the pipe shaft are arranged on the cylindrical inner housing; a compression nut for compressing the cable core or the terminal is threadedly screwed on the electrode column; an insulating baffle for separating the two electrode columns is fixed on the top of the cylindrical inner housing.
[0011] Further, the cylindrical inner housing and the cylindrical housing are made of fireproof material.
[0012] Compared with the prior art, the application has the beneficial effects that: the cylindrical housing and the cylindrical inner housing are rotatably installed, so that the position of the rectangular ventilation slot and the rectangular ventilation window can be adjusted; in the normal use state, the rectangular ventilation slot and the rectangular ventilation window are in position correspondence, which is convenient for the demagnetization resistor to dissipate heat; when a fire occurs, the position of the rectangular ventilation slot and the rectangular ventilation window is staggered, so that the demagnetization resistor is enclosed, the fire spreading is prevented, and the safety protection effect is achieved; the temperature sensor and the smoke sensor are used to monitor the temperature and the smoke concentration in the cylindrical inner housing; when the monitored temperature value and smoke concentration value reach the preset value, the controller controls the rotating driving mechanism to operate, so that the rotating driving of the cylindrical housing is realized. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the application;
[0014] Figure 2 It is an internal structure schematic view of the application;
[0015] Figure 3 It is a protective shell structure schematic view of the application;
[0016] Figure 4 It is a protective mechanism sectional view of the application;
[0017] Figure 5 It is a protective mechanism plan view of the application;
[0018] Figure 6The schematic diagram of the circuit structure of the present application;
[0019] In the figure: 1, cabinet body; 2, cabinet door; 3, electrical equipment box; 4, rotary drive motor; 5, drive gear; 6, cylindrical shell; 7, rectangular ventilation slot; 8, cylindrical inner shell; 9, fixed clamping seat; 10, smoke sensor; 11, temperature sensor; 12, opposite pull bolt; 13, bearing; 14, pipe shaft; 15, electrode column; 16, compression nut; 17, insulating baffle; 18, driven gear ring; 19, movable clamping seat; 20, rectangular ventilation window; 21, audible and visual alarm; 22, electric control lock; 23, locking seat; 24, handle; 25, control box; 26, support block; 27, demagnetization resistance. DETAILED DESCRIPTION
[0020] The technical solutions of the present application will be described in detail below with reference to the accompanying drawings, but the protection scope of the present application is not limited to the described embodiments.
[0021] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] In the description of the present application, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of the simplified description of the present application, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.
[0023] Example 1:
[0024] As Figures 1-6 shown, the protection monitoring system for demagnetization resistance provided by the present application comprises: a control box 25, an equipment cabinet, a rotary drive mechanism and two protection mechanisms; the protection mechanism comprises a cylindrical inner shell 8 and a cylindrical shell 6;
[0025] The control box 25 is installed on the equipment cabinet; the controller and the wireless communication module electrically connected with the controller are installed in the control box 25; the columnar inner shell 8 is vertically installed in the equipment cabinet; the cylindrical outer shell 6 is coaxially covered outside the columnar inner shell 8, and the inner top of the cylindrical outer shell 6 is rotatably installed on the outer top of the columnar inner shell 8 through the rotary mounting unit; the inner wall of the cylindrical outer shell 6 is close to the outer wall of the columnar inner shell 8; the clamping units for clamping the upper and lower ends of the de-excitation resistor 27 are installed on the inner top surface and the inner bottom surface of the columnar inner shell 8; the rectangular ventilation windows 20 are arranged on the front and rear sides of the vertical side wall of the columnar inner shell 8; the rectangular ventilation slots 7 corresponding to the positions of the two rectangular ventilation windows 20 are arranged on the cylindrical outer shell 6; the rotary driving mechanism is installed in the equipment cabinet and is used for driving the rotation of the cylindrical outer shell 6 of the two protection mechanisms and is driven and controlled by the controller; the temperature sensor 11 and the smoke sensor 10 electrically connected with the controller are installed in the columnar inner shell 8.
[0026] The cylindrical outer shell 6 and the columnar inner shell 8 are rotatably mounted, so that the positions of the rectangular ventilation slots 7 and the rectangular ventilation windows 20 can be adjusted, the rectangular ventilation slots 7 correspond to the positions of the rectangular ventilation windows 20 in the normal use state, the de-excitation resistor 27 is facilitated to dissipate heat, and when a fire occurs, the positions of the rectangular ventilation slots 7 and the rectangular ventilation windows 20 are deviated, so that the de-excitation resistor 27 is enclosed to prevent the spread of the fire and play a safe protection role; the temperature sensor 11 and the smoke sensor 10 are used for monitoring the temperature and the smoke concentration in the columnar inner shell 8, and when the monitored temperature value and smoke concentration value reach the preset value, the controller controls the rotary driving mechanism to operate, so as to realize the rotary driving of the cylindrical outer shell 6.
[0027] Further, the equipment cabinet comprises a cabinet body 1 and a cabinet door 2; the cabinet door 2 is hingedly installed on the cabinet body 1 and is used for closing the installation window on the front side of the cabinet body 1; the handle 24 is installed on the cabinet door 2; the support block 26 is arranged on the bottom of the cabinet body 1; the control box 25 is installed on the cabinet door 2; the display screen and the key panel electrically connected with the controller are installed on the control box 25.
[0028] The display screen is used for displaying the temperature value and the smoke concentration value monitored by the temperature sensor 11 and the smoke sensor 10 in real time, and the key panel is used for facilitating the staff to directly control the rotary driving mechanism.
[0029] Further, the electric appliance box 3 is further included; the electric appliance box 3 is fixed on the inner top surface of the equipment cabinet and is used for accommodating electrical equipment and cable lines; the lock hole is arranged on the electric appliance box 3; the electric control lock 22 electrically connected with the controller is installed at the lock hole in the electric appliance box 3; the locking seat 23 used for being inserted into the plug-in hole is arranged on the cabinet door 2; the lock hole for the electric control lock 22 to lock is arranged on the locking seat 23.
[0030] The electrical equipment box 3 is used for storing electrical equipment and cable; the electric lock 22 is used for locking the locking seat 23, so that the cabinet door 2 can be locked, and the electric lock 22 can be unlocked by inputting a password through the key panel.
[0031] Further, the sound and light alarm 21 is installed on the top of the equipment cabinet and electrically connected with the controller. The sound and light alarm 21 is used for sending sound and light alarm under the control of the controller, so that the staff can receive the alarm in time.
[0032] Further, the rotary driving mechanism includes a rotary driving motor 4, a driving gear 5 and two driven gear rings 18. The two driven gear rings 18 are coaxially fixed on the top of the two cylindrical housings 6 respectively. The rotary driving motor 4 is fixed on the lower side of the electrical equipment box 3 and electrically connected with the controller through a rotary driving circuit. The driving gear 5 is installed on the output shaft of the rotary driving motor 4, and the two driven gear rings 18 are engaged with the driving gear 5.
[0033] The rotary driving motor 4 is used for driving the driving gear 5 to rotate under the control of the controller, so that the two driven gear rings 18 drive the two cylindrical housings 6 to rotate, thereby making the rectangular ventilation window 20 opposite to the rectangular ventilation slot 7, or making the inner wall of the cylindrical housing 6 completely shield the rectangular ventilation window 20.
[0034] Further, the clamping unit includes a fixed clamping seat 9 and a movable clamping seat 19. The fixed clamping seat 9 is fixed in the cylindrical inner housing 8. The two ends of the movable clamping seat 19 are installed on the two ends of the fixed clamping seat 9 through the tensioning bolts 12 respectively. The clamping arc grooves are oppositely arranged in the middle of the movable clamping seat 19 and the fixed clamping seat 9, and the two clamping arc grooves are used for clamping the end of the demagnetizing resistor 27.
[0035] The clamping arc grooves on the fixed clamping seat 9 and the movable clamping seat 19 are used for positioning and clamping the demagnetizing resistor 27. The movable clamping seat 19 is detachably installed through the tensioning bolts 12 and the tensioning nuts, so that the demagnetizing resistor 27 can be easily installed and removed for maintenance and replacement.
[0036] Further, the rotary installation unit includes a pipe shaft 14 and a bearing 13. The lower end of the pipe shaft 14 is rotatably installed on the top surface of the cylindrical inner housing 8 through the bearing 13, and the upper end is fixed on the top surface of the cylindrical housing 6 in a communication mode. Two electrode columns 15 are arranged on the top of the cylindrical inner housing 8 and located in the pipe shaft 14. The compression nuts 16 for compressing cable cores or terminal pins are threadedly screwed on the electrode columns 15. The insulating baffle 17 for separating the two electrode columns 15 is fixed on the top of the cylindrical inner housing 8. The two electrode columns 15 are used for facilitating the wiring of the demagnetizing resistor 27. The insulating baffle 17 is made of insulating material, so as to prevent the cable cores or terminal pins on the two electrode columns 15 from being in contact and short-circuiting.
[0037] Further, the cylindrical inner shell 8 and the cylindrical outer shell 6 are made of fireproof material.
[0038] The protection monitoring system for the magnetic resistance provided by the application, the controller adopts an existing single-chip microcomputer control module; the temperature sensor 11 adopts an existing temperature sensor; the smoke sensor 10 adopts an existing smoke sensor; the rotary drive motor 4 adopts an existing stepping motor, and the rotary drive circuit adopts a corresponding stepping motor drive circuit; the electric control lock 22 adopts an existing electric control lock; and the display screen adopts an existing display screen.
[0039] The protection monitoring system for the magnetic resistance provided by the application, when installed and used, has temperature threshold values and smoke concentration threshold values set in advance.
[0040] In a normal use state, the temperature data and the smoke concentration data monitored by the temperature sensor 11 and the smoke sensor 10 do not reach the temperature threshold values and the smoke concentration threshold values, and the rectangular ventilation slots 7 on the cylindrical outer shell 6 correspond in position to the rectangular ventilation windows 20 on the cylindrical inner shell 8.
[0041] When the magnetic resistance 27 is burning, the temperature data and the smoke concentration data monitored by the temperature sensor 11 and the smoke sensor 10 reach the temperature threshold values and the smoke concentration threshold values, the controller controls the rotary drive motor 4 to operate, the drive gear 5 rotates to drive the two driven gear rings 18 to rotate, the two cylindrical outer shells 6 rotate simultaneously, and the two cylindrical outer shells 6 respectively block the rectangular ventilation windows 20 on the two cylindrical inner shells 8, so that the magnetic resistance 27 is enclosed in the protection mechanism.
[0042] As described above, although the application has been indicated and expressed with reference to specific preferred embodiments, it must not be interpreted as a limitation of the application itself. Various changes can be made to the form and details thereof without departing from the spirit and scope of the application defined by the appended claims.
Claims
1. A protection monitoring system for a de-energized resistor, characterized by: The utility model provides a kind of two protection mechanisms of rotating drive mechanism and control box (25) including control box (25), equipment cabinet, rotating drive mechanism;Protection mechanism includes cylindrical inner shell (8) and barrel outer shell (6);Controller and wireless communication module electrically connected with controller are provided in control box (25);Cylindrical inner shell (8) is installed in equipment cabinet;Barrel outer shell (6) is rotatably installed on cylindrical inner shell (8) by rotating installation unit;Cylindrical inner shell (8) is located in barrel outer shell (6), and outer wall is close to the inner wall of barrel outer shell (6);Clamping unit for clamping demagnetization resistance (27) is installed in cylindrical inner shell (8);Rectangular ventilation window (20) is provided on cylindrical inner shell (8);Rectangular ventilation slot (7) corresponding with rectangular ventilation window (20) is provided on barrel outer shell (6);Rotating drive mechanism is installed in equipment cabinet, for driving the rotation of the barrel outer shell (6) of two protection mechanisms, and is driven and controlled by controller;Temperature sensor (11) and smoke sensor (10) electrically connected with controller are installed in cylindrical inner shell (8).
2. The protection monitoring system for de-energized resistors of claim 1, wherein: Equipment cabinet includes cabinet body (1) and cabinet door (2);Cabinet door (2) is hingedly installed on cabinet body (1);Control box (25) is installed on cabinet door (2);Display screen and key panel electrically connected with controller are installed on control box (25).
3. The protection monitoring system for de-energized resistors of claim 2, wherein: It also includes electrical equipment box (3);Electrical equipment box (3) is installed in equipment cabinet;Lock hole is provided on electrical equipment box (3);Locking seat (23) for extending into lock hole is provided on cabinet door (2);Electric lock (22) electrically connected with controller is installed in electrical equipment box (3), and electric lock (22) is used for locking the extension end of locking seat (23).
4. The protection monitoring system for de-energized resistors of claim 1, wherein: Audible and visual alarm (21) electrically connected with controller is installed on the top of equipment cabinet.
5. The protection monitoring system for de-energized resistors of claim 1, wherein: Rotating drive mechanism includes rotating drive motor (4) and two driven gear rings (18);Two driven gear rings (18) are respectively installed on two barrel outer shells (6);Rotating drive motor (4) drives the rotation of two driven gear rings (18) through drive gear (5), and is electrically connected with controller through rotating drive circuit.
6. The protection monitoring system for de-energized resistors of claim 1, wherein: Clamping unit includes fixed clamping seat (9) and movable clamping seat (19);Fixed clamping seat (9) is fixed in cylindrical inner shell (8);Movable clamping seat (19) is detachably installed on fixed clamping seat (9);Clamping arc groove for clamping the end of demagnetization resistance (27) is provided on movable clamping seat (19) and fixed clamping seat (9) oppositely.
7. The protection monitoring system for de-energized resistors of claim 1, wherein: Rotating installation unit includes pipe shaft (14) and bearing (13);Lower end of pipe shaft (14) is rotatably coaxially installed on cylindrical inner shell (8) through bearing (13), and upper end is fixedly communicated on barrel outer shell (6);Two electrode columns (15) located in pipe shaft (14) are provided on cylindrical inner shell (8);Compression nut (16) for compressing cable core or terminal is screwed on electrode column (15);Insulating baffle (17) for separating two electrode columns (15) is fixed on the top of cylindrical inner shell (8).
8. The protection monitoring system for de-energized resistors of claim 1, wherein: The cylindrical inner shell (8) and the cylindrical outer shell (6) are made of fireproof material.