CN111600216A - High-low voltage switch cabinet with safety protection structure and working method thereof - Google Patents
High-low voltage switch cabinet with safety protection structure and working method thereof Download PDFInfo
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- CN111600216A CN111600216A CN202010548244.9A CN202010548244A CN111600216A CN 111600216 A CN111600216 A CN 111600216A CN 202010548244 A CN202010548244 A CN 202010548244A CN 111600216 A CN111600216 A CN 111600216A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 159
- 230000001681 protective effect Effects 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 244000309464 bull Species 0.000 claims 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
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Abstract
The invention discloses a high-low voltage switch cabinet with a safety protection structure and a working method thereof. Through the cooperation use of the electrically conductive mechanism that sets up and outage mechanism, can make the quick closure of electrically conductive mechanism and outage mechanism or break off, play the performance of quick circular telegram or quick outage, the security performance that quick outage can effectual improvement cubical switchboard.
Description
Technical Field
The invention belongs to the technical field of switch cabinets, and particularly relates to a high-low voltage switch cabinet with a safety protection structure and a working method thereof.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
Current cubical switchboard can appear generating heat or the heat dissipation is slow when using to lead to the inside temperature rising of cubical switchboard, influence the condition of using, the inside safety protection mechanism of cubical switchboard can carry out timely outage to the cubical switchboard, and the cubical switchboard outage speed is slow when using, still need carry out the manual power off a bit, and the problem of the power supply difficulty behind the outage.
Disclosure of Invention
The invention aims to provide a high-low voltage switch cabinet with a safety protection structure and a working method thereof, which can solve the problems that the conventional switch cabinet generates heat or dissipates heat slowly when in use, so that the temperature in the switch cabinet rises, the use is influenced, a safety protection mechanism in the switch cabinet can timely cut off the power of the switch cabinet, the power-off speed of the switch cabinet is low when in use, some switch cabinets need manual power-off, and the power supply is difficult after the power-off.
The purpose of the invention can be realized by the following technical scheme:
a high-low voltage switch cabinet with a safety protection structure comprises a cabinet body, wherein a protection shell is arranged at the top of the cabinet body, a back plate is arranged at the back of the cabinet body, a hook is arranged on the back plate, breathable plates are arranged on the top and the side wall of the cabinet body, a PLC (programmable logic controller) is arranged in the cabinet body, the protection shell is arranged at the top of the cabinet body, a transmission mechanism is arranged at the top of the protection shell, a pushing mechanism connected with the transmission mechanism is arranged on one side of the transmission mechanism, the pushing mechanism is arranged on the protection shell, a reset mechanism is connected to one side of the pushing mechanism, the reset mechanism is arranged on the protection shell, a power-on mechanism is arranged below the pushing mechanism, a power-off mechanism is electrically connected to one side of the power-on mechanism, and the power-off mechanism are both arranged in the protection shell, a clamping mechanism is arranged in the protective shell and matched with the pushing mechanism; the inside of protecting crust is provided with the third inside groove that is located carriage release lever mechanism one side, the internally mounted of third inside groove has latch mechanism.
Preferably, the transmission mechanism comprises a motor fixed at the top of the protective shell, a rotating rod is arranged at an emperor bar of the motor, a cam is fixed at the end part of the rotating rod, and the cam is abutted to the pushing mechanism.
Preferably, the pushing mechanism comprises a pushing head which is abutted against a cam on the transmission mechanism, a pushing rod is fixed on the pushing head, the pushing head is of a hemispherical structure, two sliding rods are vertically fixed on the side wall of the pushing rod, and a sliding block is fixed at the end part of each sliding rod; the end part of the push rod is fixed with two parallel moving rods, the inner side wall of each moving rod is provided with a raised fixing head, and the surface of each fixing head is of an arc-shaped structure.
Preferably, the clamping mechanism comprises a first spring fixed in the third inner groove, the end part of the first spring is fixed at one end of the clamping connector, and the other end of the clamping connector is an arc surface; the clamping head is provided with an integrally formed baffle, and the clamping head is clamped with the fixing head on the pushing mechanism.
Preferably, the reset mechanism comprises a push rod fixed at the end part of the push rod; the end part of the push rod is fixed with a push plate.
Preferably, the power-off mechanism comprises a rotary groove arranged on the push rod, and an arc-shaped groove is arranged on the rotary groove.
Preferably, the power-off mechanism further comprises a conductive sheet movably connected to the protective shell, the conductive sheet is matched with the rotary groove, a rotary pin mounted on the protective shell is arranged on the conductive sheet, a contact protruding outwards is arranged at the bottom of the conductive sheet, one side of the contact is electrically connected with the power-on mechanism, a wire is arranged on the side wall of the conductive sheet, a second spring is arranged on the side wall above the conductive sheet, the end part of the spring is fixed on the side wall of the third inner groove, and the second spring is located on the side wall of the third inner groove.
Preferably, the circular telegram mechanism include with the contact groove of the last contact looks joint of outage mechanism, the contact groove sets up the lateral wall of circular telegram copper sheet, the bottom of circular telegram copper sheet is connected with the wire, the wire sets up the inside at the spool, the inside mount that is used for the centre gripping wire that is provided with of spool, the mount is connected on the inside wall of protecting sheathing.
Preferably, the PLC controller is electrically connected with the motor.
A working method of a high-low voltage switch cabinet with a safety protection structure specifically comprises the following steps:
the method comprises the following steps: when the high-low voltage switch cabinet generates electricity leakage or generates high temperature, the PLC controls the motor to rotate, the motor can drive the rotating rod arranged on the motor to rotate through rotation, the rotating rod drives the rotating wheel to move, when the rotating wheel rotates, the cam on the side wall of the rotating wheel synchronously rotates, the cam can abut against the pushing mechanism through rotation, and the cam slides across the surface of the pushing mechanism through rotation;
step two: when the push rod on the push mechanism is pushed by the cam, the slide rod on the side wall of the push rod can slide in the first inner groove, the slide block on the slide rod can slide in the second inner groove, the moving rod fixed at the end part of the push rod can drive the fixing head to move together, so that the fixing head can abut against the surface of the clamping head, the clamping head can drive the baffle to synchronously move, the baffle can extrude the first spring when moving, the first spring is compressed in the third inner groove, after the fixing head slides over the clamping head, under the action of the first spring, the baffle is pushed by the first spring, the baffle moves to drive the clamping head which is integrally formed with the baffle to move, the clamping head is clamped at the other side of the fixing head, so that the fixing head is limited, in the process of moving the push rod, the push rod can drive the push rod on the reset mechanism to move, and the push rod can push the push plate to move in the direction away from the protective shell;
step three: when the pushing mechanism is driven by the transmission mechanism, the push rod on the pushing mechanism moves, and the push rod moves synchronously through the power-off mechanism arranged at the bottom of the push rod in the moving process, so that the contact head on the side wall of the conducting strip on the power-off mechanism is moved away from the inside of the contact groove on the energized copper sheet on the energized mechanism, and the power is cut off, so that a closed loop cannot be formed by the conducting strip and the conducting wire connected with the conducting strip, the function of power-off protection is achieved, and the safety performance is high;
step four: when the power needs to be switched on, a push plate made of an insulating material is pushed by a hand, the push plate can drive a push rod to move, the push rod can be driven to synchronously move by the push rod, the push rod is reset, a moving rod fixed on the push rod can drive a fixing head to move towards an initial position together, so that the fixing head can be abutted to the surface of a clamping head, the clamping head drives a baffle to synchronously move, the baffle can extrude a first spring when moving, after the fixing head slides through the clamping head, the clamping head can be clamped on the other side of the fixing head under the action of a spring, so that the fixing head is limited on one side of the clamping head, and at the moment, the fixing head and the clamping head are abutted to each other; in the process that the push rod removed, the contact head of the conducting strip lateral wall that the push rod below set up can contact with the joint groove earlier under the effect of second spring, and after the continuous removal of push rod, the conducting strip rotated around changeing the round pin, and when the joint was connected with the fixed head looks joint, the conducting strip rotated to parallel with the circular telegram copper sheet for circular telegram mechanism conveys stably.
The invention has the beneficial effects that:
1. when the high-low voltage switch cabinet generates electricity leakage or generates high temperature, the PLC controls the motor to rotate, the motor can drive the rotating rod arranged on the motor to rotate through rotation, the rotating rod drives the rotating wheel to move, when the rotating wheel rotates, the cam on the side wall of the rotating wheel synchronously rotates, the cam can abut against the pushing mechanism through rotation, and the cam slides across the surface of the pushing mechanism through rotation; the motor can be controlled to rotate through the set PLC, and the driving mechanism can rapidly work on the pushing mechanism.
2. When the push rod on the push mechanism is pushed by the cam, the slide rod on the side wall of the push rod can slide in the first inner groove, the slide block on the slide rod can slide in the second inner groove, the moving rod fixed at the end part of the push rod can drive the fixing head to move together, so that the fixing head can abut against the surface of the clamping head, the clamping head can drive the baffle to synchronously move, the baffle can extrude the first spring when moving, the first spring is compressed in the third inner groove, after the fixing head slides over the clamping head, under the action of the first spring, the baffle is pushed by the first spring, the baffle moves to drive the clamping head which is integrally formed with the baffle to move, the clamping head is clamped at the other side of the fixing head, so that the fixing head is limited, in the process of moving the push rod, the push rod can drive the push rod on the reset mechanism to move, and the push rod can push the push plate to move in the direction away from the protective shell; the driving mechanism can limit the pushing mechanism through the operation of the arranged pushing mechanism, so that the pushing mechanism is convenient to limit, and the pushing mechanism can be stably connected after moving.
3. When the pushing mechanism is driven by the transmission mechanism, the push rod on the pushing mechanism moves, and the push rod moves synchronously through the power-off mechanism arranged at the bottom of the push rod in the moving process, so that the contact head on the side wall of the conducting strip on the power-off mechanism is moved away from the inside of the contact groove on the energized copper sheet on the energized mechanism, and the power is cut off, so that a closed loop cannot be formed by the conducting strip and the conducting wire connected with the conducting strip, the function of power-off protection is achieved, and the safety performance is high; the power-off mechanism can be driven by the pushing mechanism to rapidly power off without manual power off, and the power-off mode is convenient.
4. When the power needs to be switched on, a push plate made of an insulating material is pushed by a hand, the push plate can drive a push rod to move, the push rod can be driven to synchronously move by the push rod, the push rod is reset, a moving rod fixed on the push rod can drive a fixing head to move towards an initial position together, so that the fixing head can be abutted to the surface of a clamping head, the clamping head drives a baffle to synchronously move, the baffle can extrude a first spring when moving, after the fixing head slides through the clamping head, the clamping head can be clamped on the other side of the fixing head under the action of a spring, so that the fixing head is limited on one side of the clamping head, and at the moment, the fixing head and the clamping head are abutted to each other; in the process that the push rod removed, the contact head of the conducting strip lateral wall that the push rod below set up can contact with the joint groove earlier under the effect of second spring, and after the continuous removal of push rod, the conducting strip rotated around changeing the round pin, and when the joint was connected with the fixed head looks joint, the conducting strip rotated to parallel with the circular telegram copper sheet for circular telegram mechanism conveys stably. Through the cooperation use of the electrically conductive mechanism that sets up and outage mechanism, can make the quick closure of electrically conductive mechanism and outage mechanism or break off, play the performance of quick circular telegram or quick outage, the security performance that quick outage can effectual improvement cubical switchboard.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 3 at C according to the present invention;
FIG. 6 is an enlarged view of the structure shown in FIG. 5;
in the figure: 1. a cabinet body; 11. a back plate; 12. hooking; 13. a gas permeable plate; 14. a PLC controller; 2. a protective shell; 21. a first inner tank; 22. a second inner tank; 23. a third inner tank; 3. a transmission mechanism; 31. a motor; 32. a rotating rod; 33. a rotating wheel; 34. a cam; 4. a pushing mechanism; 41. a push rod; 411. rotating the groove; 42. pushing the head; 43. a slide bar; 44. a slider; 45. a travel bar; 46. a fixed head; 5. a reset mechanism; 51. pushing the plate; 52. pushing the stick; 6. a clamping mechanism; 61. a first spring; 62. a baffle plate; 63. a clamping head; 7. a power-on mechanism; 71. electrifying the copper sheet; 72. a conduit; 73. a fixed mount; 74. a wire; 75. a contact groove; 8. a power-off mechanism; 81. a conductive sheet; 82. a contact head; 83. rotating the pin; 84. a second spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a high-low voltage switch cabinet with a safety protection structure comprises a cabinet body 1, a protective shell 2 is arranged at the top of the cabinet body 1, a back plate 11 is arranged at the back of the cabinet body 1, a hook 12 is arranged on the back plate 11, air permeable plates 13 are arranged at the top and on the side wall of the cabinet body 1, a PLC controller 14 is arranged in the cabinet body 1, the protective shell 2 is arranged at the top of the cabinet body 1, a transmission mechanism 3 is arranged at the top of the protective shell 2, a pushing mechanism 4 connected with the transmission mechanism 3 is arranged at one side of the transmission mechanism 3, the pushing mechanism 4 is arranged on the protective shell 2, a reset mechanism 5 is connected with one side of the pushing mechanism 4, the reset mechanism 5 is mounted on the protective shell 2, a power-on mechanism 7 is arranged below the pushing mechanism 4, and a power-off mechanism 8 is electrically connected with one side of the power-on, the power-on mechanism 7 and the power-off mechanism 8 are both arranged inside the protective shell 2, the clamping mechanism 6 is arranged inside the protective shell 2, and the clamping mechanism 6 is matched with the pushing mechanism 4; a third inner groove 23 positioned on one side of the moving rod mechanism 4 is formed in the protective shell 2, and a clamping mechanism 6 is arranged in the third inner groove 23;
the transmission mechanism 3 comprises a motor 31 fixed on the top of the protective shell 2, a rotating rod 32 is arranged at an emperor bar of the motor 31, a cam 34 is fixed at the end part of the rotating rod 32, and the cam 34 is abutted to the pushing mechanism 4.
The pushing mechanism 4 comprises a pushing head 42 abutted against the cam 34 on the transmission mechanism 3, a pushing rod 41 is fixed on the pushing head 42, the pushing head 42 is of a hemispherical structure, two sliding rods 43 are vertically fixed on the side wall of the pushing rod 41, and a sliding block 44 is fixed at the end part of each sliding rod 43; two parallel moving rods 45 are fixed at the end part of the push rod 41, a convex fixing head 46 is arranged on the inner side wall of each moving rod 45, and the surface of each fixing head 46 is of an arc-shaped structure.
The clamping mechanism 6 comprises a first spring 61 fixed in the third inner groove 23, the end part of the first spring 61 is fixed at one end of a clamping joint 63, and the other end of the clamping joint 63 is an arc surface; the blocking head 63 is provided with an integrally formed baffle 62, and the blocking head 63 is blocked with the fixing head 46 on the pushing mechanism 4.
The reset mechanism 5 comprises a push rod 52 fixed at the end of the push rod 41; a push plate 51 is fixed to the end of the push rod 52.
5. The high-low voltage switch cabinet with the safety protection structure according to claim 1, wherein the power cut-off mechanism 8 comprises a rotating slot 411 disposed on the push rod 41, and an arc-shaped slot is disposed on the rotating slot 411;
the power-off mechanism 8 further comprises a conductive sheet 81 movably connected to the protective shell 2, the conductive sheet 81 is matched with the rotary slot 411, a rotary pin 83 mounted on the protective shell 2 is arranged on the conductive sheet 81, a contact 82 protruding outwards is arranged at the bottom of the conductive sheet 81, one side of the contact 82 is electrically connected with the power-on mechanism 7, a wire 74 is arranged on the side wall of the conductive sheet 81, a second spring 84 is arranged on the side wall above the conductive sheet 81, the end part of the spring is fixed on the side wall of the third inner slot 23, and the second spring 84 is located on the side wall of the third inner slot 23.
The PLC controller 14 is electrically connected to the motor 31.
When the high-voltage and low-voltage switch cabinet is used, when the high-voltage and low-voltage switch cabinet leaks electricity or has high temperature, the PLC 14 controls the motor 31 to rotate, the motor 31 rotates to drive the rotating rod 32 arranged on the motor to rotate, the rotating rod 32 drives the rotating wheel 33 to move, when the rotating wheel 33 rotates, the cam 34 on the side wall of the rotating wheel 33 synchronously rotates, the cam 34 rotates to abut against the pushing mechanism 4, and the cam 34 rotates to slide on the surface of the pushing mechanism 4; when the push rod 41 of the pushing mechanism 4 is pushed by the cam 34, the slide rod 43 on the side wall of the push rod 41 slides inside the first inner groove 21, the slide block 44 on the slide rod 43 slides inside the second inner groove 22, the moving rod 45 fixed at the end of the push rod 41 drives the fixed head 46 to move together, so that the fixed head 46 abuts against the surface of the clamping head 63, so that the clamping head 63 drives the baffle 62 to move synchronously, the baffle 62 presses the first spring 61 when moving, the first spring 61 is compressed inside the third inner groove 23, when the fixed head 46 slides over the clamping head 63, under the action of the first spring 61, the first spring 61 pushes the baffle 62, the baffle 62 moves to drive the clamping head 63 integrally formed with the baffle 62 to move, and the clamping head 63 is clamped at the other side of the fixed head 46, so as to limit the fixed head 46, in the moving process of the push rod 41, the push rod 41 drives the push rod 52 on the reset mechanism 5 to move, and the push rod 52 pushes the push plate 51 to move in a direction away from the protective shell 2; when the pushing mechanism 4 is driven by the transmission mechanism 3, the pushing rod 41 on the pushing mechanism 4 moves, and the pushing rod 41 moves synchronously through the power-off mechanism 8 arranged at the bottom of the pushing rod 41 in the moving process, so that the contact 82 on the side wall of the conducting strip 81 on the power-off mechanism 8 moves away from the inside of the contact groove 75 on the energized copper sheet 71 on the energizing mechanism 7, and the power is cut off, so that the conducting wire 74 cannot form a closed loop through the conducting strip 81 and the conducting wire 74 connected with the conducting strip 81, the function of power-off protection is achieved, and the safety performance is high; when power needs to be switched on, a push plate 51 made of an insulating material is pushed by a hand, the push plate 51 can drive a push rod 52 to move, the push rod 52 can drive a push rod 41 to move synchronously, the push rod 41 can drive a fixed head 46 to move towards an initial position together in the resetting process, so that the fixed head 46 can abut against the surface of a clamping head 63, the clamping head 63 drives a baffle 62 to move synchronously, the baffle 62 can extrude a first spring 61 when moving, after the fixed head 46 slides over the clamping head 63, the clamping head 63 can be clamped at the other side of the fixed head 46 under the action of a spring, so that the fixed head 46 is limited at one side of the clamping head 63, and at the moment, the fixed head 46 and the clamping head 63 abut against each other; in the moving process of the push rod 41, the contact 82 on the side wall of the conductive sheet 81 arranged below the push rod 41 is firstly contacted with the clamping groove under the action of the second spring 84, after the push rod 41 continuously moves, the conductive sheet 81 rotates around the rotating pin 83 until the clamping joint 63 is clamped with the fixing head 46, and when the conductive sheet 81 rotates to be parallel to the electrified copper sheet 71, the electrified mechanism 7 is enabled to stably transmit.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A high-low voltage switch cabinet with a safety protection structure comprises a cabinet body (1) and is characterized in that a protective shell (2) is arranged at the top of the cabinet body (1), a back plate (11) is arranged on the back surface of the cabinet body (1), a hook (12) is arranged on the back plate (11), breathable plates (13) are arranged on the top and the side wall of the cabinet body (1), a PLC (programmable logic controller) (14) is arranged in the cabinet body (1), the protective shell (2) is arranged at the top of the cabinet body (1), a transmission mechanism (3) is arranged at the top of the protective shell (2), a pushing mechanism (4) connected with the transmission mechanism is arranged on one side of the transmission mechanism (3), the pushing mechanism (4) is arranged on the protective shell (2), a reset mechanism (5) is connected to one side of the pushing mechanism (4), and the reset mechanism (5) is installed on the protective shell (2), an electrifying mechanism (7) is arranged below the pushing mechanism (4), one side of the electrifying mechanism (7) is electrically connected with a power-off mechanism (8), the electrifying mechanism (7) and the power-off mechanism (8) are both arranged inside the protective shell (2), a clamping mechanism (6) is arranged inside the protective shell (2), and the clamping mechanism (6) is matched with the pushing mechanism (4); a third inner groove (23) positioned on one side of the moving rod mechanism (4) is formed in the protective shell (2), and a clamping mechanism (6) is installed in the third inner groove (23);
drive mechanism (3) are including fixing motor (31) at protective housing (2) top, the emperor of motor (31) is provided with bull stick (32), the tip of bull stick (32) is fixed with cam (34), cam (34) with pushing mechanism (4) looks butt.
2. The high-low voltage switch cabinet with the safety protection structure according to claim 1, wherein the pushing mechanism (4) comprises a pushing head (42) abutting against a cam (34) on the transmission mechanism (3), a pushing rod (41) is fixed on the pushing head (42), the pushing head (42) is of a hemispherical structure, two sliding rods (43) are vertically fixed on the side wall of the pushing rod (41), and a sliding block (44) is fixed at the end of each sliding rod (43); the end part of the push rod (41) is fixed with two parallel moving rods (45), the inner side wall of each moving rod (45) is provided with a raised fixing head (46), and the surface of each fixing head (46) is of an arc-shaped structure.
3. The high-low voltage switch cabinet with the safety protection structure according to claim 1, wherein the latch mechanism (6) comprises a first spring (61) fixed in a third inner groove (23), an end of the first spring (61) is fixed at one end of a latch head (63), and the other end of the latch head (63) is a circular arc surface; be provided with integrated into one piece's baffle (62) on joint (63), fixed head (46) looks joint on joint (63) and pushing mechanism (4).
4. The high-low voltage switch cabinet with the safety protection structure according to claim 1, wherein the reset mechanism (5) comprises a push rod (52) fixed at the end of the push rod (41); a push plate (51) is fixed at the end part of the push rod (52).
5. The high-low voltage switch cabinet with the safety protection structure according to claim 1, wherein the power cut-off mechanism (8) comprises a rotary slot (411) arranged on the push rod (41), and an arc-shaped slot is arranged on the rotary slot (411);
the power-off mechanism (8) further comprises a conducting plate (81) movably connected to the protective shell (2), the conducting plate (81) is matched with the rotary groove (411), a rotary pin (83) installed on the protective shell (2) is arranged on the conducting plate (81), an outwards protruding contact head (82) is arranged at the bottom of the conducting plate (81), one side of the contact head (82) is electrically connected with the power-on mechanism (7), a lead (74) is arranged on the side wall of the conducting plate (81), a second spring (84) is arranged on the side wall above the conducting plate (81), the end portion of the spring is fixed to the side wall of the third inner groove (23), and the second spring (84) is located on the side wall of the third inner groove (23).
6. The high-low voltage switch cabinet with the safety protection structure is characterized in that the power-on mechanism (7) comprises a contact groove (75) clamped with a contact head (82) on the power-off mechanism (8), the contact groove (75) is arranged on the side wall of the power-on copper sheet (71), a lead (74) is connected to the bottom of the power-on copper sheet (71), the lead (74) is arranged inside the wire tube (72), a fixing frame (73) used for clamping the lead (74) is arranged inside the wire tube (72), and the fixing frame (73) is connected to the inner side wall of the protection shell (2).
7. High-low voltage switch cabinet with safety protection structure according to claim 1, characterized in that the PLC controller (14) is electrically connected with the motor (31).
8. A working method of a high-low voltage switch cabinet with a safety protection structure specifically comprises the following steps:
the method comprises the following steps: when the high-low voltage switch cabinet leaks electricity or generates high temperature, the PLC (14) controls the motor (31) to rotate, the motor (31) rotates to drive the rotating rod (32) arranged on the motor to rotate, the rotating rod (32) drives the rotating wheel (33) to move, when the rotating wheel (33) rotates, the cam (34) on the side wall of the rotating wheel (33) synchronously rotates, the cam (34) rotates to abut against the pushing mechanism (4), and the cam (34) rotates to slide on the surface of the pushing mechanism (4);
step two: when a push rod (41) on the pushing mechanism (4) is pushed by a cam (34), a slide rod (43) on the side wall of the push rod (41) can slide in the first inner groove (21), a slide block (44) on the slide rod (43) can slide in the second inner groove (22), a moving rod (45) fixed at the end part of the push rod (41) can drive a fixing head (46) to move together, so that the fixing head (46) can be abutted against the surface of a clamping head (63), the clamping head (63) can drive a baffle (62) to move synchronously, the baffle (62) can extrude a first spring (61) when moving, the first spring (61) is compressed in the third inner groove (23), after the fixing head (46) slides through the clamping head (63), under the action of the first spring (61), the first spring (61) can push the baffle (62), and the baffle (62) can move to drive the clamping head (63) integrally formed with the baffle (62) to move, the clamping joint (63) can be clamped at the other side of the fixing head (46) so as to limit the fixing head (46), in the moving process of the push rod (41), the push rod (41) can drive the push rod (52) on the reset mechanism (5) to move, and the push rod (52) can push the push plate (51) to move towards the direction far away from the protective shell (2);
step three: when the pushing mechanism (4) is driven by the transmission mechanism (3), the push rod (41) on the pushing mechanism (4) moves, and the push rod (41) moves synchronously through the power-off mechanism (8) arranged at the bottom of the push rod in the moving process, so that the contact head (82) on the side wall of the conducting strip (81) on the power-off mechanism (8) moves away from the inside of the contact groove (75) on the energized copper sheet (71) on the energizing mechanism (7), and is powered off, and the conducting wire (74) cannot form a closed loop through the conducting strip (81) and the conducting wire (74) connected with the conducting strip (81), thereby achieving the function of power-off protection and having high safety performance;
step four: when the power needs to be switched on, the push plate (51) made of the insulating material is pushed by hand, the push plate (51) can drive the push rod (52) to move, the push rod (52) can drive the push rod (41) to move synchronously when moving, and in the process of resetting the push rod (41), the moving rod (45) fixed on the push rod (41) can drive the fixed head (46) to move towards the initial position, so that the fixed head (46) can abut against the surface of the clamping head (63), the clamping head (63) drives the baffle plate (62) to move synchronously, the baffle plate (62) can extrude the first spring (61) when moving, when the fixed head (46) slides through the clamping head (63), under the action of a spring, the clamping joint (63) is clamped at the other side of the fixed head (46), thereby limiting the fixed head (46) at one side of the clamping head (63), and at the moment, the fixed head (46) and the clamping head (63) are mutually abutted; in the moving process of the push rod (41), a contact head (82) of the side wall of a conducting strip (81) arranged below the push rod (41) is firstly contacted with the clamping groove under the action of a second spring (84), after the push rod (41) continuously moves, the conducting strip (81) rotates around a rotating pin (83), and when the clamping head (63) and the fixing head (46) are clamped, the conducting strip (81) rotates to be parallel to the electrified copper sheet (71), so that the electrified mechanism (7) is stably conveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548244.9A CN111600216A (en) | 2020-06-16 | 2020-06-16 | High-low voltage switch cabinet with safety protection structure and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548244.9A CN111600216A (en) | 2020-06-16 | 2020-06-16 | High-low voltage switch cabinet with safety protection structure and working method thereof |
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| CN111600216A true CN111600216A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN119275747A (en) * | 2024-12-09 | 2025-01-07 | 东升源(广东)智能电气有限公司 | Intelligent assembly method and device for power distribution cabinet switch cabinet |
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