Movable locking structure, switch cabinet and locking method

Abstract

The invention discloses a movable locking structure, a switch cabinet and a locking method, and belongs to the technical field of power grid equipment.The movable locking structure comprises a cabinet body, a shielding part, a first supporting rod, a moving rod, a limiting electronic lock and a control console, the shielding part sleeves the first supporting rod and is in sliding fit with the first supporting rod, and the moving rod is installed on the shielding part; the limiting electronic lock is installed on the cabinet body and provided with a spring bolt plate, and the spring bolt plate is used for being matched with the moving rod; the console is electrically connected with the limiting electronic lock, and the console is used for monitoring the locking state of the limiting electronic lock; the shielding piece is provided with two moving positions, and the shielding piece is limited by the spring bolt plate at one moving position. The shielding piece is used for shielding an electric leakage position or a dangerous position in the cabinet body, and when the shielding piece moves to one moving position, the shielding piece is limited by the spring bolt plate, so that maintenance personnel are prevented from entering the cabinet body to touch dangerous equipment.

Description

Technical Field

[0001] The invention relates to the technical field of power grid equipment, in particular to an active locking structure, a switch cabinet and a locking method. Background Art

[0002] In the existing power system, a switch cabinet is generally required to control the various grid modules of the distribution network; in the switch cabinet, after the circuit breaker is pulled out of the cabinet, the moving contact and the static contact of the circuit breaker are separated, and the switch cabinet is in a power-off state.

[0003] However, when the circuit breaker or electronic components in the cabinet are damaged or the equipment needs to be regularly cleaned of dust or maintained, maintenance personnel need to enter the cabinet for inspection or maintenance. After the maintenance personnel enter the cabinet, the static contact is inside the cabinet and is prone to error operation by the maintenance personnel; therefore, maintenance personnel are prone to electric shock accidents during maintenance. Summary of the invention

[0004] The purpose of the present invention is to improve the problem that maintenance personnel are prone to electric shock during maintenance of the existing switch cabinet, and to provide a movable locking structure, a switch cabinet, and a locking method.

[0005] The technical solutions to achieve the above objectives include the following:

[0006] The movable locking structure comprises a cabinet, a shielding member, a first support rod, a moving rod, a position-limiting electronic lock, and a control console, wherein the first support rod is installed in the cabinet, the shielding member is sleeved outside the first support rod and slidably cooperates with the first support rod, and the moving rod is installed on the shielding member;

[0007] The position-limiting electronic lock is installed on a cabinet, and has a lock tongue plate, and the lock tongue plate is used to cooperate with the moving rod; the console is electrically connected to the position-limiting electronic lock, and the console is used to monitor the locking state of the position-limiting electronic lock; wherein the shielding member has two moving positions, and in one of the moving positions, the shielding member is limited by the lock tongue plate.

[0008] The present invention further provides a switch cabinet, the switch cabinet comprising a circuit breaker, a static contact, a drive assembly, and the above-mentioned movable locking structure, wherein a first chamber is provided in the cabinet, and the static contact and the circuit breaker are arranged in the first chamber; in a first direction, the circuit breaker is slidably matched with the inner wall of the cabinet; the circuit breaker has a moving contact, and the moving contact is used to conduct with the static contact;

[0009] The shielding member is installed on the output end of the driving component, and the driving component is arranged in the cabinet;

[0010] The two moving positions of the shielding member are arranged in the second direction. When the shielding member is at one of the moving positions, the shielding member is close to the static contact and blocks the opening of the static contact, and the shielding member is restricted by the locking tongue plate.

[0011] In one embodiment, the switch cabinet further comprises a sensing component, which is installed in the cabinet and electrically connected to the control console; the circuit breaker comprises a triggering member, which inductively cooperates with the sensing component.

[0012] In one embodiment, the sensing component includes a first Hall element and a second Hall element, the trigger component includes a first magnet and a second magnet, the first Hall element and the second Hall element are arranged in a first direction, the first magnet is inductively matched with the first Hall element, and the second magnet is inductively matched with the second Hall element; the first Hall element and the second Hall element are both electrically connected to the console.

[0013] In one embodiment, the driving assembly includes a first pusher and a fourth pusher, and the shielding member includes a first baffle plate, which is sleeved outside the first support rod and slidably matched with the first support rod;

[0014] The first pushing member is in a bent shape, and the bent portion of the first pushing member is rotatably mounted on the inner wall of the cabinet; the first end of the first pushing member is mounted on the first baffle plate and rotatably cooperates with the first baffle plate; the first end of the fourth pushing member is rotatably connected to the second end of the first pushing member, and the second end of the fourth pushing member is rotatably mounted in the cabinet.

[0015] In one embodiment, the shielding member includes a first baffle and a second baffle, the driving assembly includes a first support rod, a first pusher, a second pusher, and a third pusher, the first support rod is installed in the cabinet, the first baffle and the second baffle are both sleeved outside the first support rod and are slidably matched with the first support rod;

[0016] The first end of the first pusher is rotatably matched with the first baffle, the first end of the second pusher is rotatably matched with the second baffle, the first end of the third pusher is rotatably matched with the second end of the first pusher, and the second end of the third pusher is rotatably matched with the second end of the second pusher;

[0017] The static contact is arranged between the first baffle and the second baffle; the third pusher cooperates with the circuit breaker, and the third pusher is used to drive the first pusher and the second pusher so that the first baffle and the second baffle have a moving path that approaches or moves away from each other.

[0018] In one embodiment, the driving assembly further includes a fourth pusher, a first end of the fourth pusher is transmission-connected to the third pusher, and a second end of the fourth pusher is rotatably disposed in the cabinet; the fourth pusher is at least partially inclined, and the fourth pusher has a guide slope, and the guide slope is used to slide with the circuit breaker;

[0019] The weight of the first baffle is greater than the weight of the second baffle.

[0020] In one embodiment, the driving assembly further comprises a reset member, and the first baffle plate is connected to the second baffle plate via the reset member.

[0021] In one embodiment, the first pusher comprises a first connecting rod, a second connecting rod, and a pin shaft, wherein the first end of the first connecting rod is fixed to the first end of the second connecting rod, and the first end of the first connecting rod and the first end of the second connecting rod are rotatably arranged on the inner wall of the cabinet through the pin shaft, and the second end of the second connecting rod is rotatably mounted on the side wall of the first baffle;

[0022] The second pushing member includes a third connecting rod, a fourth connecting rod, and a pin shaft. The first end of the third connecting rod is fixed to the first end of the fourth connecting rod, and the first end of the third connecting rod and the first end of the fourth connecting rod are arranged on the inner wall of the cabinet through a pin shaft. The second end of the fourth connecting rod is rotatably installed on the side wall of the second baffle.

[0023] The present invention also provides a locking method of the active locking structure, comprising the following steps:

[0024] Step 1: When the shielding member moves to one of the moving positions, the shielding member protects the dangerous part of the cabinet;

[0025] Step 2: The control console obtains the position information of the shielding member, sends an electrical signal, and drives the position-limiting electronic lock. The bolt plate of the position-limiting electronic lock abuts against the moving rod and limits the movement of the shielding member.

[0026] The technical solution provided by the present invention has the following advantages and effects:

[0027] This shielding piece is used to shield leakage positions or dangerous positions in the cabinet, preventing maintenance personnel from entering the cabinet and touching dangerous equipment, thereby preventing maintenance personnel from being electrocuted. Moreover, when the shielding piece moves to one of the moving positions, the shielding piece is restricted by the lock tongue plate, preventing maintenance personnel from moving the shielding piece and preventing maintenance personnel from making mistakes. The console remotely controls the limit electronic lock, which not only improves the safety in the cabinet, but also facilitates the control of the limit electronic lock, so that the shielding piece can be reset after the maintenance personnel leave the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings herein show specific examples of the technical solutions described in the present invention, and together with the specific implementation methods, constitute a part of the specification, and are used to explain the technical solutions, principles and effects of the present invention.

[0029] Unless otherwise specified or defined, the same reference numerals in different drawings represent the same or similar technical features, and the same or similar technical features may also be represented by different reference numerals.

[0030] Figure 1 Schematic diagram of a switch cabinet in one embodiment of the present invention Figure 1 ;

[0031] Figure 2 Schematic diagram of a switch cabinet in one embodiment of the present invention Figure 2 ;

[0032] Figure 3 Schematic diagram of a switch cabinet in one embodiment of the present invention Figure 3 ;

[0033] Figure 4 is a front view of a cabinet in one embodiment of the present invention;

[0034] Figure 5 is a cross-sectional view of a switch cabinet in one embodiment of the present invention;

[0035] Figure 6 is a schematic diagram of the connection between the driving assembly and the shielding member in one embodiment of the present invention;

[0036] Figure 7 is a partial schematic diagram of the connection between the driving assembly and the shielding member in one embodiment of the present invention;

[0037] Figure 8 is a schematic diagram of a position-limiting electronic lock in one embodiment of the present invention;

[0038] Description of reference numerals:

[0039] 100. Switchgear;

[0040] 1. Cabinet body; 11. First chamber; 12. Guide rail; 13. Static contact; 14. Operation cabinet door;

[0041] 2. Circuit breaker; 21. Moving contact;

[0042] 3. Induction component; 31. First Hall element; 32. Second Hall element;

[0043] 4. movable locking structure; 40. shielding member; 41. first baffle; 42. second baffle; 43. driving assembly;

[0044] 431, first pusher; 4311, first connecting rod; 4312, second connecting rod;

[0045] 432, second pusher; 4321, third connecting rod; 4322, fourth connecting rod;

[0046] 433, third pusher; 4331, second support rod; 4332, fifth connecting rod; 4333, sixth connecting rod;

[0047] 434, fourth pusher; 4341, first support plate; 4342, rotating shaft; 4343, toggle rod; 4344, transmission rod; 4345, guide slope;

[0048] 44. Limit electronic lock; 441. Lock plate; 442. Keyhole;

[0049] 45. A first support rod;

[0050] 46. ​​Move the rod. DETAILED DESCRIPTION

[0051] In order to facilitate the understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0052] Unless otherwise specified or defined, the "first, second..." used in this article is merely used to distinguish names and does not represent a specific quantity or order.

[0053] Unless specifically stated or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0054] It should be noted that when a component is considered to be "fixed to" another component, it can be directly fixed to the other component or there can be a central component; when an component is considered to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time; when an component is considered to be "installed on" another component, it can be directly installed on the other component or there can be a central component at the same time. When an component is considered to be "set on" another component, it can be directly set on the other component or there can be a central component at the same time.

[0055] Embodiment 1

[0056] The present invention discloses a movable locking structure 4, such as Figures 1 to 5 , Figure 8As shown, it includes a cabinet 1, a shielding member 40, a first support rod 45, a moving rod 46, a position-limiting electronic lock 44, and a control console. The shielding member 40 is sleeved outside the first support rod 45 and slidably cooperates with the first support rod 45. The moving rod 46 is installed on the shielding member 40; the position-limiting electronic lock 44 is installed on the cabinet 1, and the position-limiting electronic lock 44 has a lock tongue plate 441, and the lock tongue plate 441 is used to cooperate with the moving rod 46; the control console is electrically connected to the position-limiting electronic lock 44, and the control console is used to monitor the locking state of the position-limiting electronic lock 44; wherein the shielding member 40 has two moving positions, and in one of the moving positions, the shielding member 40 is limited by the lock tongue plate 441. Specifically, this shielding member 40 is used to shield the leakage position or dangerous position in the cabinet 1 to prevent maintenance personnel from entering the cabinet 1 and touching dangerous equipment, thereby preventing maintenance personnel from the risk of electric shock. Moreover, when the shielding member 40 moves to one of the moving positions, the shielding member 40 is restricted by the locking tongue plate 441, preventing the maintenance personnel from moving the shielding member 40 and preventing the maintenance personnel from making mistakes. The console remotely controls the position-limiting electronic lock 44, which improves the safety in the cabinet 1 and facilitates the control of the position-limiting electronic lock 44, so that the shielding member 40 is reset after the maintenance personnel leave the cabinet 1.

[0057] In this embodiment, the active locking structure 4 can be applied to different scenarios. As long as it is necessary to prevent misoperation or dangerous locations, the structure can be used for protection, and no special restrictions are made here.

[0058] Embodiment 2

[0059] The present invention also discloses a switch cabinet 100, such as Figures 1 to 5 As shown, the switch cabinet includes a circuit breaker 2, a static contact 13, a drive assembly 43, and the above-mentioned movable locking structure 4. The cabinet body 1 has a first chamber 11, and the static contact 13 and the circuit breaker 2 are arranged in the first chamber 11; in a first direction, the circuit breaker 2 slides with the inner wall of the cabinet body 1; the circuit breaker 2 has a moving contact 21, and the moving contact 21 is used to conduct with the static contact 13; the shielding member 40 is installed on the output end of the drive assembly 43, and the drive assembly 43 is arranged in the cabinet body 1; the two moving positions of the shielding member 40 are arranged in the second direction, and the shielding member 40 is in one of the moving positions, the shielding member 40 is close to the static contact 13, and blocks the opening of the static contact 13, and the shielding member 40 is limited by the lock tongue plate 441.

[0060] Specifically, the two moving positions include a first moving position and a second moving position. When the switch cabinet 100 needs to be overhauled, the maintenance personnel moves the circuit breaker 2 out of the cabinet 1, and the maintenance personnel operates the drive assembly 43, so that the drive assembly 43 drives the shielding member 40 to move to the first moving position, and the static contact 13 is blocked by the shielding member 40. The maintenance personnel cannot operate the static contact 13 in the cabinet 1, which can prevent the maintenance personnel from touching the static contact 13 during maintenance, and prevent the maintenance personnel from operating incorrectly in the cabinet 1, resulting in the risk of electric shock during maintenance, thereby improving the safety of the maintenance personnel during maintenance. After the maintenance of the switch cabinet 100 is completed, the maintenance personnel controls the drive assembly 43 to drive the shielding member 40 to move to the second moving position, so that the static contact 13 is exposed, the circuit breaker 2 is moved into the cabinet 1, and the moving contact 21 contacts and conducts with the static contact 13, so that the switch cabinet 100 can be used normally.

[0061] In some embodiments, the switch cabinet 100 further has a sensing component 3, which is installed in the cabinet 1 and electrically connected to the control console; the circuit breaker 2 has a trigger, which is inductively matched with the sensing component 3. Specifically, by setting the sensing component 3, the sensing component 3 is used to sense the trigger on the circuit breaker 2. When the circuit breaker 2 moves out to the cabinet 1, the trigger is inductively matched with the sensing component 3, and an electrical signal is generated and sent to the control console. The control console remotely controls the limit electronic lock 44, so that the limit electronic lock 44 locks the position of the shielding member 40. By sensing and detecting the position of the circuit breaker 2 in the cabinet 1 through the sensing component 3, the control console can timely understand the status of the switch cabinet 100.

[0062] In some embodiments, the induction component 3 includes a first Hall element 31 and a second Hall element 32, and the trigger includes a first magnetic steel and a second magnetic steel (not shown in the figure). The first Hall element 31 and the second Hall element 32 are arranged in a first direction, and the first magnetic steel is inductively matched with the first Hall element 31, and the second magnetic steel is inductively matched with the second Hall element 32; the first Hall element 31 and the second Hall element 32 are both electrically connected to the console. Specifically, when the first magnetic steel approaches the first Hall element 31, the first Hall element 31 generates a first electrical signal; when the second magnetic steel approaches the second Hall element 32, the second Hall element 32 generates a second electrical signal.

[0063] In the usage scenario, if the circuit breaker 2 is moved out of the cabinet 1 to a certain distance, the moving contact 21 is disconnected from the static contact 13, and the first Hall element 31 detects the position of the circuit breaker 2, and generates a first electrical signal to send to the control console. The control console grasps the position of the circuit breaker 2 in the cabinet 1 and the state of the switch cabinet 100. At this time, there is no need to operate the limit electronic lock 44. If the circuit breaker 2 is completely moved out of the cabinet 1, the first Hall element 31 and the second Hall element 32 are inductively matched with the first magnetic steel and the second magnetic steel respectively, and generate the first electrical signal and the second electrical signal, and send the first electrical signal and the second electrical signal to the control console. After receiving the two electrical signals, the control console knows that the circuit breaker 2 is completely moved out of the cabinet 1 and the cabinet 1 is in a maintenance state. The control console sends a signal to the limit electronic lock 44, so that the limit electronic lock 44 limits the movement of the shielding member 40, further improving the stability of the shielding member 40 in the cabinet 1.

[0064] In other embodiments, when the circuit breaker 2 moves into the cabinet 1, the first electrical signal and the second electrical signal of the console disappear, and the console can also automatically control the limit electronic lock 44 to close, thereby canceling the limiting effect on the shielding member 40 and allowing the shielding member 40 to be reset.

[0065] In other embodiments, the position-limiting electronic lock 44 further has a keyhole 442, and the keyhole 442 is used for inserting a mechanical key so that the mechanical key can open the position-limiting electronic lock 44; in special cases, the static contact 13 also needs to be repaired. Of course, when repairing the static contact 13, the administrator can control whether the maintenance personnel can repair the static contact 13 by controlling the mechanical key.

[0066] In some embodiments, the cabinet 1 also has a second chamber, the first chamber 11 is separated from the second chamber by a partition, and the cabinet 1 has an operating cabinet door 14 that can open or close the second chamber. The second chamber is used to place a control circuit board and some electronic components. The control circuit board is electrically connected to the limit electronic lock 44, and its operation button can be set on the operating cabinet door 14. The control circuit board is driven by the operation button, thereby driving the limit electronic lock 44 to limit the movement of the shielding member 40.

[0067] The present invention also provides a locking method for a switch cabinet 100 having a movable locking structure 4, comprising the following steps:

[0068] Step 1: When the switch cabinet 100 needs to be repaired, the circuit breaker 2 is moved from the first direction to remove the circuit breaker 2 from the cabinet 1, and the moving contact 21 is separated from the static contact 13; the shielding member 40 is moved to the first moving position, and the shielding member 40 protects the leakage position of the cabinet 1;

[0069] Step 2: The control console obtains the position information of the shielding member 40, sends an electrical signal, and drives the limit electronic lock 44. The lock tongue plate 441 of the limit electronic lock 44 abuts against the moving rod 46 and limits the movement of the shielding member 40. The static contact 13 is blocked by the shielding member 40, and the maintenance personnel enter the first chamber 11 for maintenance.

[0070] Step 3: After the maintenance is completed, the maintenance personnel moves out of the first chamber 11 , the driving assembly 43 drives the shielding member 40 to move to the second moving position, the circuit breaker 2 moves into the cabinet 1 , and the moving contact 21 is at least partially inserted into the static contact 13 .

[0071] Through this method, when maintenance personnel are inspecting the switch cabinet 100, the shielding member 40 can be moved to the first moving position to shield the static contact 13, thereby preventing the maintenance personnel from accidentally operating the static contact 13 and avoiding the risk of electric shock.

[0072] In some other embodiments, the circuit breaker 2 moves into the cabinet 1, and the circuit breaker 2 can cooperate with the driving component 43. The circuit breaker 2 applies the force of the driving component 43 in the cabinet 1, so that the driving component 43 automatically pushes the shielding member 40 to move to the second moving position; when the circuit breaker 2 moves outside the cabinet 1, the force of the driving component 43 disappears, so that the driving component 43 automatically controls the shielding member 40 to reset and move to the first moving position. In this way, the movement of the shielding member 40 can be automatically controlled without the need for maintenance personnel to operate the driving component 43 again.

[0073] In some embodiments, Figure 5 and Figure 6 As shown, the shielding member 40 includes a first baffle 41 and a second baffle 42, the driving assembly 43 includes a first push member 431, a second push member 432, and a third push member 433, the first support rod 45 is installed in the cabinet 1, the first baffle 41 and the second baffle 42 are both sleeved on the outside of the first support rod 45, and both slide with the first support rod 45; the first end of the first push member 431 is rotatably matched with the first baffle 41, the first end of the second push member 432 is rotatably matched with the second baffle 42, the first end of the third push member 433 is rotatably matched with the second end of the first push member 431, and the second end of the third push member 433 is rotatably matched with the second end of the second push member 432; the static contact 13 is arranged between the first baffle 41 and the second baffle 42; the third push member 433 is matched with the circuit breaker 2, and the third push member 433 is used to drive the first push member 431 and the second push member 432, so that the first baffle 41 and the second baffle 42 have a moving path that approaches or moves away from each other.

[0074] Specifically, Figure 6As shown, the first pusher 431 and the second pusher 432 are respectively rotatably matched with the third pusher 433, and a lever structure is formed between the first pusher 431, the second pusher 432, and the third pusher 433. When the third pusher 433 is fixed to the circuit breaker 2, the circuit breaker 2 drives the third pusher 433 to move when it moves. When the circuit breaker 2 is moved out of the cabinet 1, the circuit breaker 2 applies a positive force to the third pusher 433, so that the third pusher 433 simultaneously drives the first pusher 431 and the second pusher 432 to approach each other, so that the first baffle 41 and the second baffle 42 approach each other and then abut against each other, and the first baffle 41 and the second baffle 42 block the static contact 13, so that the maintenance personnel can enter the cabinet 1 for maintenance but cannot touch the static contact 13. When the circuit breaker 2 enters into the cabinet 1, the circuit breaker 2 applies a reverse force to the third pusher 433, so that the third pusher 433 simultaneously drives the first pusher 431 and the second pusher 432 to move away from each other, so that the first baffle 41 and the second baffle 42 both move away from the static contact 13, and the static contact 13 is exposed, so that the circuit breaker 2 moves to a certain distance and then contacts with the static contact 13, thereby realizing the conduction of the switch cabinet 100. In this way, there is no need to operate the shielding member 40 separately, and the position of the shielding member 40 can be automatically controlled.

[0075] In this embodiment, the first pusher 431, the second pusher 432, and the third pusher 433 can be a bent lever transmission structure, or a gear transmission structure or a chain transmission structure. For example, in the gear transmission structure, the gear transmission structure includes a gear and two racks, the gears are respectively engaged with the two racks, the two racks are arranged relative to each other, and the gears rotate clockwise or counterclockwise, which can simultaneously drive the two racks to move closer to or away from each other. The two racks are equivalent to the first pusher 431 and the second pusher 432, and the gears are equivalent to the third pusher 433. Through such a gear transmission structure, it is also possible to achieve a moving path for the first baffle 41 and the second baffle 42 to move closer to or away from each other. Therefore, in this embodiment, the specific structures of the first pusher 431, the second pusher 432, and the third pusher 433 are not particularly limited.

[0076] Preferably, there are two groups of drive components 43, which are respectively installed on both sides of the cabinet 1, and the two groups of drive components 43 are respectively slidably matched with the two ends of the circuit breaker 2. By moving the circuit breaker 2, the two ends of the circuit breaker 2 respectively apply force to the drive components 43, thereby further increasing the force of the driving shielding member 40.

[0077] In some embodiments, Figure 6 and Figure 7As shown, the driving assembly 43 further includes a fourth pusher 434, the first end of which is transmission-connected with the third pusher 433, and the second end of which is rotatably disposed in the cabinet 1; the fourth pusher 434 is at least partially inclined, and has a guide slope 4345, which is used to slide with the circuit breaker 2; the weight of the first baffle 41 is greater than the weight of the second baffle 42. Specifically, when the circuit breaker 2 moves into the cabinet 1, the circuit breaker 2 slides with the guide slope 4345 of the fourth pusher 434, and in the sliding cooperation, the circuit breaker 2 squeezes the fourth pusher 434, so that the fourth pusher 434 pulls the third pusher 433 to move, so that the third pusher 433 generates a reverse force, and drives the first pusher 431 and the second pusher 432 to move away from each other, so that the static contact 13 is exposed and contacts with the moving contact 21 of the circuit breaker 2. When the circuit breaker 2 is moved out of the cabinet 1, since the weight of the first baffle 41 is greater than that of the second baffle 42, the first baffle 41 slides downward due to its own weight and generates a force, which is transmitted to the second pusher 432 through the first pusher 431 and the third pusher 433, so that the second pusher 432 pushes the second baffle 42 to move upward, so that the first baffle 41 and the second baffle 42 are close to each other and a shielding effect is formed on the static contact 13.

[0078] In some embodiments, the driving assembly 43 further has a reset member (not shown in the figure), and the first baffle 41 and the second baffle 42 are connected by the reset member. Preferably, the reset member can be a reset spring. When the circuit breaker 2 moves into the cabinet 1, the fourth pusher 434 generates a force, and transmits it to the first pusher 431 and the second pusher 432 through the third pusher 433, so that the first baffle 41 and the second baffle 42 are separated from each other, and the first baffle 41 and the second baffle 42 pull the reset spring, and the reset spring generates a reverse force after being stretched; when the circuit breaker 2 is moved out of the cabinet 1, the force of the fourth pusher 434 disappears, and the reaction force of the reset spring drives the first baffle 41 and the second baffle 42 to move closer to each other, thereby shielding the static contact 13.

[0079] Preferably, Figure 7As shown, the first pusher 431 includes a first connecting rod 4311, a second connecting rod 4312, and a pin shaft. The first end of the first connecting rod 4311 is fixed to the first end of the second connecting rod 4312, and the first end of the first connecting rod 4311 and the first end of the second connecting rod 4312 are rotatably arranged on the inner wall of the cabinet 1 through the pin shaft, and the second end of the second connecting rod 4312 is rotatably mounted on the side wall of the first baffle 41. Specifically, after the first connecting rod 4311 and the second connecting rod 4312 are fixed, they are rotatably matched with the inner wall of the cabinet 1 through the pin shaft. The first connecting rod 4311 and the second connecting rod 4312 have a pin hole, and the pin hole is passed through by the pin shaft to form a connection relationship with the cabinet 1 for rotational matching. A lever structure is formed between the first connecting rod 4311 and the second connecting rod 4312. When the second end of the first connecting rod 4311 is driven to move downward, the first pusher 431 rotates with the rotation point between the first connecting rod 4311 and the second connecting rod 4312 as the center, and pushes the first baffle 41 to move downward through the second connecting rod 4312. The second end of the first connecting rod 4311 moves upward, and the first baffle 41 moves upward. The transmission principle thereof will not be described in detail here.

[0080] Preferably, Figure 7 As shown, the second pusher 432 includes a third link 4321, a fourth link 4322, and a pin. The first end of the third link 4321 is fixed to the first end of the fourth link 4322, and the first end of the third link 4321 and the first end of the fourth link 4322 are rotatably arranged on the inner wall of the cabinet 1 through the pin, and the second end of the fourth link 4322 is rotatably mounted on the side wall of the second baffle 42. Specifically, after the third link 4321 and the fourth link 4322 are fixed, they are rotatably matched with the inner wall of the cabinet 1 through the pin, and a lever structure is formed between the third link 4321 and the fourth link 4322; when the second end of the third link 4321 is driven to move upward, the second pusher 432 rotates with the rotation point between the third link 4321 and the fourth link 4322 as the center, and pushes the second baffle 42 to move upward through the fourth link 4322. The second end of the third connecting rod 4321 moves downward, and the second baffle 42 moves downward, and the transmission principle thereof will not be described in detail here.

[0081] In this embodiment, if Figure 6 As shown, the first pushing member 431 and the second pushing member 432 are set in opposite directions to form completely opposite lever structures. For example, the third pushing member 433 controls the first pushing member 431 and the second pushing member 432 to approach each other, and the first pushing member 431 and the second pushing member 432 respectively drive the first baffle 41 and the second baffle 42 to approach each other at the same time; conversely, the third pushing member 433 controls the first pushing member 431 and the second pushing member 432 to move away from each other, and the first pushing member 431 and the second pushing member 432 also respectively drive the first baffle 41 and the second baffle 42 to move away from each other.

[0082] Preferably, Figure 7 As shown, the third pusher 433 includes a second support rod 4331, a fifth connecting rod 4332, and a sixth connecting rod 4333. The first end of the fifth connecting rod 4332 is fixed to the second end of the third connecting rod 4321, the second end of the fifth connecting rod 4332 is rotatably connected to the first end of the sixth connecting rod 4333, and the second end of the sixth connecting rod 4333 is rotatably connected to the second end of the first connecting rod 4311. The second end of the first connecting rod 4311 and the second end of the third connecting rod 4321 are both rotatably mounted on the second support rod 4331, wherein a bending structure is formed between the fifth connecting rod 4332 and the third connecting rod 4321, and between the sixth connecting rod 4333 and the first connecting rod 4311. Specifically, the second support rod 4331 is used to support the first connecting rod 4311 and the third connecting rod 4321, so as to improve the stability of the third pusher 433. When the rotation connection point of the fifth link 4332 and the sixth link 4333 moves toward the first pushing member 431 and the second pushing member 432, the fifth link 4332 pushes the third link 4321 to move downward, and the third link 4321 pushes the second baffle 42 to move downward through the fourth link 4322; and the sixth link 4333 pushes the first link 4311 to move upward, and the first link 4311 pushes the first baffle 41 to move upward through the second link 4312, so that when the third pushing member 433 moves toward the first pushing member 431 and the second pushing member 432, the first pushing member 431 drives the first baffle 41 to move upward, and the second pushing member 432 drives the second baffle 42 to move downward. On the contrary, when the third pushing member 433 moves away from the first pushing member 431 and the second pushing member 432, the first pushing member 431 drives the first baffle 41 to move downward, and the second pushing member 432 moves upward to drive the second baffle 42 to move upward, further realizing that the third pushing member 433 can drive the first baffle 41 and the second baffle 42 to move closer to or away from each other when moving.

[0083] Preferably, Figure 7As shown, the fourth push member 434 includes a first support plate 4341, a rotating shaft 4342, a toggle rod 4343, and a transmission rod 4344. The first end of the transmission rod 4344 is rotatably mounted on the third connecting rod 4321, and the second end of the transmission rod 4344 is rotatably disposed on the first end of the first support plate 4341; the rotating shaft 4342 is mounted on the first support plate 4341, and the first support plate 4341 is rotatably coordinated with the cabinet body 1 through the rotating shaft 4342; the toggle rod 4343 is mounted on the second end of the first support plate 4341, the toggle rod 4343 is inclined, and the toggle rod 4343 is inclined close to the static contact 13, and the upper end surface of the toggle rod 4343 forms a guide inclined surface 4345. Specifically, when the toggle rod 4343 is squeezed by the circuit breaker 2 , the toggle rod 4343 drives the first support plate 4341 to rotate, and the first support plate 4341 rotates in the cabinet 1 through the rotating shaft 4342 , thereby driving the transmission rod 4344 to move up and down.

[0084] Since the third connecting rod 4321 is fixed to the fifth connecting rod 4332 of the third pushing member 433, when the transmission rod 4344 moves downward, it will drive the third pushing member 433 to move toward the first pushing member 431 and the second pushing member 432, so that the first baffle 41 and the second baffle 42 move away from each other; conversely, when the transmission rod 4344 moves upward, it will drive the third pushing member 433 to move away from the first pushing member 431 and the second pushing member 432, so that the first baffle 41 and the second baffle 42 move closer to each other.

[0085] Embodiment 3

[0086] The shielding member 40 includes a first baffle plate 41, and the driving assembly 43 includes a first pushing member 431 and a fourth pushing member 434. The first baffle plate 41 is sleeved on the outside of the first support rod 45 and slidably cooperates with the first support rod 45; the first pushing member 431 is bent, and the bending part of the first pushing member 431 is rotatably installed on the inner wall of the cabinet 1; the first end of the first pushing member 431 is installed on the first baffle plate 41 and rotatably cooperates with the first baffle plate 41; the first end of the fourth pushing member 434 is rotatably connected to the second end of the first pushing member 431, and the second end of the fourth pushing member 434 is rotatably installed in the cabinet 1. Specifically, when the movable locking structure 4 only uses the first baffle 41 to block the static contact 13, the fourth pusher 434 in the cabinet 1 is driven to rotate the second end of the fourth pusher 434 clockwise, thereby driving the first end of the fourth pusher 434 to move. When the fourth pusher 434 moves, it pulls the second end of the first pusher 431 downward, thereby driving the bending part of the first pusher 431 to rotate, and causing the first end of the first pusher 431 to drive the first baffle 41 to move downward. Conversely, the fourth pusher 434 rotates counterclockwise, driving the first baffle 41 to move upward, so that the first baffle 41 has a first moving position and a second moving position. However, it should be noted that if only the first baffle 41 is used to move, the moving distance of the first baffle 41 is larger, and the moving path of the fourth pusher 434 is also larger.

[0087] It should be noted that in the switch cabinet 100 with the movable locking structure 4, the shielding member 40 cooperates with the driving assembly 43 so that the shielding member 40 has a first moving position and a second moving position. After the shielding member 40 moves to the preset position, it shields the static contact 13 to prevent the risk of electric shock. In other switch cabinets 100 with movable locking structures 4, the method of shielding the static contact 13 by moving the shielding member 40 to prevent electric shock is within the protection scope of this application.

[0088] When quoting drawing descriptions, new features that appear are described; in order to avoid repeated quotations of drawings resulting in less concise descriptions, features that have been described clearly will not be quoted in the drawings one by one.

[0089] The purpose of the above embodiments is to exemplarily reproduce and deduce the technical solution of the present invention, and to fully describe the technical solution, purpose and effect of the present invention. Its purpose is to make the public understand the disclosed content of the present invention more thoroughly and comprehensively, and it does not limit the protection scope of the present invention.

[0090] The above embodiments are not exhaustive enumerations of the present invention, and there may be multiple other implementations not listed. Any replacement and improvement made without violating the concept of the present invention shall fall within the protection scope of the present invention.

Claims

1. An active locking structure, characterized in that: It includes a cabinet, a shielding member, a first support rod, a moving rod, a position-limiting electronic lock, and a control console. The first support rod is installed in the cabinet. The shielding member is sleeved outside the first support rod and slidably cooperates with the first support rod. The moving rod is installed on the shielding member. The position-limiting electronic lock is installed on a cabinet, and has a lock tongue plate, and the lock tongue plate is used to cooperate with the moving rod; the console is electrically connected to the position-limiting electronic lock, and the console is used to monitor the locking state of the position-limiting electronic lock; wherein the shielding member has two moving positions, and in one of the moving positions, the shielding member is limited by the lock tongue plate.

2. Switchgear, characterized in that: The switch cabinet comprises a circuit breaker, a static contact, a drive assembly, and a movable locking structure as claimed in claim 1; the cabinet has a first chamber, the static contact and the circuit breaker are arranged in the first chamber; in a first direction, the circuit breaker is slidably matched with the inner wall of the cabinet; the circuit breaker has a moving contact, and the moving contact is used to conduct with the static contact; The shielding member is installed on the output end of the driving component, and the driving component is arranged in the cabinet; The two moving positions of the shielding member are arranged in the second direction. When the shielding member is at one of the moving positions, the shielding member is close to the static contact and blocks the opening of the static contact, and the shielding member is restricted by the locking tongue plate.

3. The switch cabinet according to claim 2, characterized in that: The switch cabinet also has an induction component, which is installed in the cabinet and electrically connected to the control console; the circuit breaker has a trigger component, which is inductively matched with the induction component.

4. The switch cabinet according to claim 3, characterized in that: The sensing component includes a first Hall element and a second Hall element, and the trigger component includes a first magnet and a second magnet. The first Hall element and the second Hall element are arranged in a first direction, the first magnet is inductively matched with the first Hall element, and the second magnet is inductively matched with the second Hall element; the first Hall element and the second Hall element are both electrically connected to the console.

5. The switch cabinet according to claim 2, characterized in that: The driving assembly includes a first pusher and a fourth pusher, and the shielding member includes a first baffle plate, which is sleeved outside the first support rod and slidably matched with the first support rod; The first pushing member is in a bent shape, and the bent portion of the first pushing member is rotatably mounted on the inner wall of the cabinet; the first end of the first pushing member is mounted on the first baffle plate and rotatably cooperates with the first baffle plate; the first end of the fourth pushing member is rotatably connected to the second end of the first pushing member, and the second end of the fourth pushing member is rotatably mounted in the cabinet.

6. The switch cabinet according to claim 2, characterized in that: The shielding member includes a first baffle and a second baffle, the driving assembly includes a first support rod, a first pusher, a second pusher, and a third pusher, the first support rod is installed in the cabinet, the first baffle and the second baffle are both sleeved outside the first support rod and are slidably matched with the first support rod; The first end of the first pusher is rotatably matched with the first baffle, the first end of the second pusher is rotatably matched with the second baffle, the first end of the third pusher is rotatably matched with the second end of the first pusher, and the second end of the third pusher is rotatably matched with the second end of the second pusher; The static contact is arranged between the first baffle and the second baffle; the third pusher cooperates with the circuit breaker, and the third pusher is used to drive the first pusher and the second pusher so that the first baffle and the second baffle have a moving path that approaches or moves away from each other.

7. The switch cabinet according to claim 6, characterized in that: The driving assembly further includes a fourth pusher, a first end of the fourth pusher is transmission-connected to the third pusher, and a second end of the fourth pusher is rotatably disposed in the cabinet; the fourth pusher is at least partially inclined, and the fourth pusher has a guide slope, and the guide slope is used to slide with the circuit breaker; The weight of the first baffle is greater than the weight of the second baffle.

8. The switch cabinet according to claim 7, characterized in that: The driving assembly also has a reset member, and the first baffle plate is connected to the second baffle plate via the reset member.

9. The switch cabinet according to claim 7, characterized in that: The first pusher comprises a first connecting rod, a second connecting rod and a pin shaft, wherein the first end of the first connecting rod is fixed to the first end of the second connecting rod, and the first end of the first connecting rod and the first end of the second connecting rod are rotatably arranged on the inner wall of the cabinet through the pin shaft, and the second end of the second connecting rod is rotatably mounted on the side wall of the first baffle; The second pushing member includes a third connecting rod, a fourth connecting rod, and a pin shaft. The first end of the third connecting rod is fixed to the first end of the fourth connecting rod, and the first end of the third connecting rod and the first end of the fourth connecting rod are arranged on the inner wall of the cabinet through a pin shaft. The second end of the fourth connecting rod is rotatably installed on the side wall of the second baffle.

10. A locking method for an active locking structure, characterized in that: The following steps are involved: When the shielding member moves to one of the moving positions, the shielding member protects the dangerous part of the cabinet; The control console obtains the position information of the shielding member, sends an electrical signal, and drives the position-limiting electronic lock. The bolt plate of the position-limiting electronic lock abuts against the moving rod and limits the movement of the shielding member.

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