Conductive connection device for industrial computer

Abstract

This invention discloses a conductive connection device for an industrial control computer, belonging to the field of conductive connection technology. The conductive connection device for an industrial control computer includes two interconnected first connectors and second connectors. The first connector includes an insulated outer shell and an inner shell fixedly disposed inside the outer shell. The second connector includes an insulated plug. A snap-fit ​​assembly is disposed between the plug and the inner shell. An ejection assembly for ejecting the plug is also disposed within the inner shell. The snap-fit ​​assembly includes a snap-fit ​​portion and a release portion. The release portion is used to release the snap-fit ​​of the snap-fit ​​portion. The release portion includes an active release component and a passive release component. When encountering abnormal high temperature or fire, the passive release component can release the snap-fit ​​of the snap-fit ​​portion, and then, driven by the ejection component, disconnect the first and second connectors, thereby solving the problem in the prior art where the conductive connection cannot automatically disconnect when abnormal high temperature or fire occurs at the connection point.

Description

Technical Field

[0001] This invention relates to the field of conductive connection technology, and more particularly to a conductive connection device for an industrial control computer. Background Technology

[0002] Currently, industrial control computers (ICCs) are widely used in industrial automation control, data acquisition, and other fields. The stability of their internal modules and the conductive connections with external devices directly affects the operational reliability of the entire system. Traditional ICC conductive connection devices mostly adopt conventional plug and socket structures. Although they can achieve basic conductive functions, they have revealed many problems in actual use.

[0003] For example, some connecting devices have a simple snap-fit ​​structure design, relying solely on a single buckle or friction for fixation. When subjected to accidental pulling or impact, the plug and socket are prone to loosening, posing a significant safety hazard. In addition, when the industrial control computer generates abnormally high temperatures due to a fault, existing connecting devices cannot automatically separate to cut off the circuit, which may exacerbate equipment damage or even cause serious accidents such as fires. Furthermore, when manual separation of the connector is required, the operation of some devices is not convenient or labor-saving enough, causing inconvenience to maintenance work. Therefore, this application proposes a conductive connecting device for an industrial control computer. Summary of the Invention

[0004] The purpose of this invention is to solve the problem that the conductive connection cannot disconnect automatically when abnormal high temperature or fire occurs at the conductive connection position in the prior art, and to propose a conductive connection device for industrial control computers.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A conductive connection device for an industrial control computer includes two interconnected first connectors and second connectors. The first connectors and second connectors are electrically connected via conductive parts. The first connector includes an insulating outer shell and an inner shell fixedly disposed inside the outer shell. The second connector includes an insulating plug, which is inserted into the connection cavity of the inner shell. A locking assembly is provided between the plug and the inner shell to prevent the first connectors and second connectors from separating. The inner shell also has an ejection assembly for ejecting the plug. The locking assembly includes a locking part and a separating part. The separating part is used to release the locking part. The separating part includes an active separating assembly and a passive separating assembly. The passive separating assembly is activated by heat.

[0006] Preferably, a conductive cylinder is fixedly disposed on the inner top of the outer shell, the conductive cylinder is located in the connecting cavity, and a conductive post is fixedly disposed on the end of the plug, the conductive post and the conductive cylinder being plugged in.

[0007] Preferably, a partition is fixedly disposed inside the inner shell, the partition dividing the interior of the inner shell into a connecting cavity and an installation cavity, and the ejection assembly is located in the installation cavity.

[0008] Preferably, the ejection assembly includes a slide rod, a push plate, and a push rod. The slide rod is fixedly connected to the inner shell and located within the mounting cavity. The push plate is slidably mounted on the slide rod. One end of the push rod is fixedly mounted on the push plate. A shoulder is provided in the middle of the plug. The other end of the push rod abuts against the shoulder. The push plate provides ejection force through a first elastic element.

[0009] Preferably, the snap-fit ​​part includes a primary snap-fit ​​and a secondary snap-fit, both of which include a slot on the plug. The primary snap-fit ​​further includes a first snap-fit ​​block and a first pressure plate. The first snap-fit ​​block is slidably disposed on the partition plate, and one end of the first pressure plate is fixedly disposed on the partition plate, while the other end presses against the first snap-fit ​​block. The snap-fit ​​end of the first snap-fit ​​block matches the slot.

[0010] Preferably, the secondary locking mechanism further includes a second locking block and a second pressing plate. The second locking block is slidably mounted on the partition via a sliding assembly. One end of the second pressing plate is fixedly connected to the partition, and the other end presses against the second locking block. The locking end of the second locking block matches the locking slot, and the first locking block can push the second locking block.

[0011] Preferably, the sliding assembly includes a guide groove fixedly disposed on the partition and a slider fixedly disposed on the side of the second card block, the slider being slidably disposed within the guide groove.

[0012] Preferably, the active separation component includes a mounting box fixedly disposed within the plug, the mounting box having a mounting groove, a connecting rod rotatably disposed within the mounting groove, a gripping block fixedly disposed at one end of the connecting rod, and a pushing block fixedly disposed at the other end, the pushing block being able to push the first locking block or the second locking block to move.

[0013] Preferably, the passive separation component includes an expansion component, which includes a fixed box and an expansion member disposed inside the fixed box. The expansion member expands when heated, and the non-clamping end of the first locking block is slidably disposed inside the fixed box.

[0014] Preferably, the passive separation component further includes a shape memory metal sheet, which is V-shaped, with one end of the shape memory metal sheet fixedly mounted on the pusher block, and the opening of the shape memory metal sheet opening when heated.

[0015] Compared with the prior art, the present invention provides a conductive connection device for an industrial control computer, which has the following beneficial effects.

[0016] 1. The present invention, through the provided snap-fit ​​part, can form a snap-fit ​​between the first connector and the second connector, making the connection between the two more stable. When encountering abnormal high temperature or fire, the passive separation component can release the snap-fit ​​part after being heated, and then the first connector and the second connector will be disconnected under the action of the ejection component, thereby solving the problem in the prior art that the conductive connection position cannot be disconnected automatically when abnormal high temperature or fire occurs.

[0017] 2. In this invention, by setting a primary or secondary locking mechanism, when subjected to abnormally high temperatures, the passive separation component is heated and the primary locking mechanism is released. At this time, the ejector component pushes out the second connector, separating the conductive post and the conductive cylinder. However, the plug and the inner shell remain connected by the secondary locking mechanism. In this state, fire caused by continuous abnormally high temperatures can be avoided. At this time, the staff can judge the abnormality of the conductive connection position based on the position of the plug, and then conduct accurate verification.

[0018] 3. In this invention, when a malfunction causes the plug to catch fire, the passive separation component can ensure that both the primary and secondary locking components are in a disengaged state. At this time, the ejection component can completely eject the plug, thus completely separating the first and second connectors and reducing the spread of fire.

[0019] 4. The present invention allows for the normal manual separation of the first connector and the second connector by setting an active separation component.

[0020] 5. The present invention can achieve a dual protection effect through the expansion component and the deformation component. For example, if the expansion component is not triggered after an abnormal temperature or fire, the deformation component can also release the locking action according to the temperature, thus achieving a double protection effect.

[0021] 6. The present invention, through the provided ejection component, can quickly eject the plug from the connection cavity of the inner shell after the snap-fit ​​part is released, ensuring that the first connector and the second connector are quickly separated.

[0022] Other advantages, objectives and features of the invention will be set forth in part in the description which follows; and in part will be apparent to those skilled in the art upon examination of the following description; or may be learned from practice of the invention. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the present invention. Figure 1 .

[0025] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle.

[0026] Figure 4 This is a schematic diagram of the overall cross-sectional structure of the present invention. Figure 2 .

[0027] Figure 5 This is a schematic diagram of the overall cross-sectional structure of the present invention. Figure 3 .

[0028] Figure 6 This is a schematic diagram of the structure of the first connector in this invention.

[0029] Figure 7 This is a cross-sectional structural diagram of the first connector in this invention.

[0030] Figure 8 This is a schematic diagram of the structure of the first card block in this invention.

[0031] Figure 9 This is a schematic diagram of the structure of the second card block in this invention.

[0032] Figure 10 This is a partial structural diagram of the ejector component in this invention.

[0033] Figure 11 This is a schematic cross-sectional view of the outer shell and inner shell in this invention.

[0034] Figure 12 This is a schematic diagram of the structure of the second connector in this invention.

[0035] Figure 13 This is a cross-sectional structural diagram of the second connector in this invention.

[0036] Figure 14 This is a schematic diagram of the mounting box in this invention.

[0037] Figure 15 This is a schematic diagram of the snap-fit ​​state of the first-level snap-fit ​​in this invention.

[0038] Figure 16 This is a schematic diagram of the latching state of the secondary latching in this invention.

[0039] In the picture: 1. Outer shell; 2. Plug; 3. Grip block; 4. Mounting slot; 5. Connecting rod; 6. Partition plate; 7. Inner shell; 8. Connecting cavity; 9. Conductive post; 10. Conductive cylinder; 11. Spring; 12. Push plate; 13. Push rod; 14. Push block; 15. Memory metal sheet; 16. Mounting box; 17. Elastic sheet; 18. Second locking block; 19. Guide groove; 20. Second pressure plate; 21. First locking block; 22. First pressure plate; 23. Fixing box; 24. Expansion component; 25. Slide rod; 26. Slot; 27. Shoulder; 28. Slider. Detailed Implementation

[0040] The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, illustrating only the basic structure of the invention in a schematic manner, and therefore only show the components relevant to the invention.

[0041] Please refer to Figures 1-16 A conductive connection device for an industrial control computer includes two interconnected first connectors and second connectors. The first connectors and second connectors are electrically connected through conductive parts. The first connector includes an insulated outer shell 1 and an inner shell 7 fixedly disposed inside the outer shell 1. The second connector includes an insulated plug 2, which is inserted into the connecting cavity 8 of the inner shell 7. A snap-fit ​​assembly is provided between the plug 2 and the inner shell 7 to prevent the first connector and the second connector from separating. An ejection assembly for ejecting the plug 2 is also provided inside the inner shell 7. The snap-fit ​​assembly includes a snap-fit ​​part and a separation part. The separation part is used to release the snap-fit ​​of the snap-fit ​​part. The separation part includes an active separation assembly and a passive separation assembly. The passive separation assembly is activated by heat.

[0042] In a specific embodiment of the present invention, the first connector can be mounted on an industrial control computer, and the second connector is used to connect to external devices or power supplies. The second connector is fully inserted into the first connector to complete the electrical connection, enabling the industrial control computer to connect to external devices or power supplies. When the second connector is fully inserted into the first connector, i.e., the plug 2 is inserted into the connecting cavity 8 of the inner shell 7, the ejector assembly is compressed, and the locking portion forms a locking limit on the plug 2 and the inner shell 7, preventing the plug 2 and the inner shell 7 from separating on their own. If the temperature at the electrical connection location rises abnormally, the passive separation assembly will activate after being heated, causing the locking... The connector releases its latching effect, and then plug 2 is ejected by the ejector component, separating plug 2 from the inner shell 7. This completes the separation of the first and second connectors, preventing fire caused by failure to disconnect in time after abnormal temperature rise. In addition, if plug 2 catches fire due to a sudden temperature rise caused by a fault, the passive separation component will also be heated and activated to separate plug 2 from the inner shell 7, preventing the fire from plug 2 from being transmitted to the first connector and exacerbating the damage to the industrial control computer. Conversely, if the first connector catches fire, it can prevent the fire from being transmitted to the second connector.

[0043] A conductive cylinder 10 is fixedly installed on the inner top of the outer casing 1. The conductive cylinder 10 is located in the connecting cavity 8. A conductive post 9 is fixedly installed at the end of the plug 2. The conductive post 9 and the conductive cylinder 10 are connected by insertion.

[0044] Specifically, the conductive cylinder 10 is fixedly connected to the outer shell 1, and the conductive cylinder 10 does not contact the inner shell 7. A terminal is fixedly provided at the end of the conductive cylinder 10. The conductive post 9 is fixedly provided on the end of the plug 2 near the end of the inner shell 7. A terminal is fixedly provided at the end of the conductive post 9. The terminal is located inside the plug 2 and protrudes at the tail end of the plug 2 (the end away from the inner shell 7). In this solution, in order to reduce the risk of the first connector catching fire, the inner shell 7 can be made of metal or other fire-resistant materials.

[0045] A partition 6 is fixedly installed inside the inner shell 7, which divides the interior of the inner shell 7 into a connecting cavity 8 and a mounting cavity, with the ejector assembly located in the mounting cavity.

[0046] Specifically, in this design, there are two partitions 6, which divide the inner shell 7 into three parts. The middle part is the connecting cavity 8, and the two parts on both sides are the mounting cavities. The partitions 6 can also be made of metal. In this design, there are two sets of ejector components, which are located in the two mounting cavities respectively.

[0047] The ejection assembly includes a slide rod 25, a push plate 12, and a push rod 13. The slide rod 25 is fixedly connected to the inner shell 7 and is located in the mounting cavity. The push plate 12 is slidably mounted on the slide rod 25. One end of the push rod 13 is fixedly mounted on the push plate 12. A shoulder 27 is provided in the middle of the plug 2. The other end of the push rod 13 abuts against the shoulder 27. The push plate 12 provides ejection force through a first elastic element.

[0048] Specifically, in this solution, the first elastic element is a spring 11, which is sleeved on the slide rod 25. One end of the spring 11 contacts the inner shell 7, and the other end is fixedly connected to the push plate 12. In use, the elastic force of the spring 11 drives the push plate 12 to move towards the plug 2, which in turn causes the push plate 12 to extend the push rod 13. When the push rod 13 extends, it can abut against the shoulder 27 of the plug 2, thereby pushing the plug 2 to separate from the inner shell 7. When the plug 2 is inserted into the inner shell 7, the spring 11 will be compressed.

[0049] The snap-fit ​​part includes a primary snap-fit ​​and a secondary snap-fit. Both the primary and secondary snap-fits include a slot 26 provided on the plug 2. The primary snap-fit ​​also includes a first snap block 21 and a first pressure plate 22. The first snap block 21 is slidably disposed on the partition 6. One end of the first pressure plate 22 is fixedly disposed on the partition 6, and the other end is pressed on the first snap block 21. The snap-fit ​​end of the first snap block 21 matches the slot 26. Both the primary and secondary snap-fits are provided in two sets, and the two sets of primary and secondary snap-fits are located in two mounting cavities respectively.

[0050] Specifically, the first pressure plate 22 is made of elastic metal. Utilizing the elasticity of the first pressure plate 22, pressure is applied to the first locking block 21. Under normal conditions, when the plug 2 is not inserted into the inner shell 7, the first pressure plate 22 applies pressure to the first locking block 21, allowing the first locking block 21 to fit tightly against the partition 6 and its locking end to extend into the connecting cavity 8. Thus, when the plug 2 is inserted into the inner shell 7, the locking end of the first locking block 21 can lock into the slot 26 on the plug 2, thereby preventing the first connector and the second connector from separating on their own. During the insertion of the plug 2 into the inner shell 7, the end of the plug 2 first pushes open the first locking block 21 (the locking end of the first locking block 21 has a bevel), and then continues to move forward. When the slot 26 is flush with the slot 26 of the first locking block 21, the first locking block 21 resets under the action of the first pressure plate 22, causing the locking end of the first locking block 21 to lock into the slot 26, completing the locking and limiting action.

[0051] The secondary locking mechanism also includes a second locking block 18 and a second pressing plate 20. The second locking block 18 is slidably mounted on the partition 6 via a sliding assembly. One end of the second pressing plate 20 is fixedly connected to the partition 6, and the other end is pressed onto the second locking block 18. The locking end of the second locking block 18 matches the locking slot 26. The first locking block 21 can push the second locking block 18.

[0052] Specifically, the second pressure plate 20 is made of elastic metal. The elasticity of the second pressure plate 20 is used to apply pressure to the second locking block 18. Under normal conditions, when the plug 2 is not inserted into the inner shell 7, the second locking block 18 is pressed against the partition 6 under the force of the second pressure plate 20, so that the locking end of the second locking block 18 can extend into the connecting cavity 8. When the plug 2 is inserted, the end of the plug 2 can push the second locking block 18 open (the locking end of the second locking block 18 has a bevel). Then the plug 2 continues to enter. When the locking end of the second locking block 18 is flush with the slot 26, the second locking block 18 resets and the locking end of the second locking block 18 is locked in the slot 26. The plug 2 continues to be inserted. At this time, the second locking block 18 can still be pushed open, which does not affect the complete insertion of the plug 2. It should be noted that after the plug 2 is fully inserted, only the locking end of the first locking block 21 is locked in the slot 26.

[0053] The sliding assembly includes a guide groove 19 fixedly disposed on the partition 6 and a slider 28 fixedly disposed on the side of the second card block 18, the slider 28 being slidably disposed within the guide groove 19.

[0054] Specifically, the slider 28 can slide within the guide groove 19, thereby achieving a guiding function and preventing the second block 18 from having an unpredictable movement trajectory.

[0055] The active separation component includes a mounting box 16 fixedly installed inside the plug 2. The mounting box 16 has a mounting groove 4. A connecting rod 5 is rotatably installed inside the mounting groove 4. A gripping block 3 is fixedly installed at one end of the connecting rod 5, and a push block 14 is fixedly installed at the other end. The push block 14 can push the first locking block 21 or the second locking block 18 to move. There are two sets of active separation components, located on both sides of the plug 2 respectively, and they are symmetrically arranged.

[0056] Specifically, the mounting box 16 can be made of metal and embedded inside the plug 2, with no exposed parts; the connecting rod 5 and the grip block 3 are both made of insulating material; in use, by pinching the two symmetrically arranged grip blocks 3 with the thumb and forefinger, the grip blocks 3 are brought close to the plug 2. At this time, the connecting rod 5 will swing, so that the push block 14 on the connecting rod 5 can push the first locking block 21 or the second locking block 18 to move, so that the first locking block 21 or the second locking block 18 is disengaged from the slot 26, thus completing the release of the locking limit. In this state, the plug 2 can be pulled out normally.

[0057] A second elastic element is provided between the mounting box 16 and the connecting rod 5. The second elastic element applies a certain force to the connecting rod 5, so that the push block 14 on the connecting rod 5 can be inside the mounting box 16 under normal conditions (without external force applied). In this solution, the second elastic element is an elastic sheet 17. The elastic sheet 17 is V-shaped, with one end fixedly connected to the inside of the mounting box 16 and the other end disconnected from the connecting rod 5. The elasticity of the elastic sheet 17 applies a continuous force to the connecting rod 5, so that the push block 14 on the connecting rod 5 can be inside the mounting box 16 under normal conditions.

[0058] The passive separation component includes an expansion component, which includes a fixed box 23 and an expansion member 24 disposed inside the fixed box 23. The expansion member 24 expands when heated, and the non-clamping end of the first latching block 21 is slidably disposed inside the fixed box 23.

[0059] Specifically, the expansion member 24 can expand when heated, and after expansion, it can push the first locking block 21 to move away from the partition 6 to release the locking limit; the expansion member 24 can be an air bag, or filled with mercury, or directly filled with mercury in the fixing box 23 to achieve the expansion effect; the fixing box 23 is made of a metal material with good thermal conductivity, which on the one hand prevents the fixing box 23 from being burned through, and on the other hand can play a good heat transfer effect, which is beneficial to the operation of the expansion member 24; in addition, the expansion member 24 can also be made of shape memory metal, and the specific settings can be referred to the shape memory metal sheet 15 below.

[0060] The passive separation component also includes a shape memory metal sheet 15, which is V-shaped. One end of the shape memory metal sheet 15 is fixedly mounted on the push block 14, and the opening of the shape memory metal sheet 15 opens when heated.

[0061] Specifically, the other end of the memory metal sheet 15 contacts the mounting box 16; the memory metal sheet 15 deforms when heated and returns to its original shape (memory metal, also known as shape memory alloy, is a smart material that can restore a preset shape within a specific temperature range, and its characteristics are derived from the reversible phase transformation of the internal austenite and martensite crystal structure). In this solution, the memory metal sheet 15 is a V-shaped with a small opening. When heated, it deforms into a V-shaped with a large opening. At this time, it can push the push block 14 to move away from the plug 2, thereby pushing the push block 14 open, the first locking block 21 or the second locking block 18.

[0062] In this solution, firstly, the locking limit can be manually engaged, i.e., the locking limit is achieved by gripping block 3; secondly, in the event of an abnormal temperature rise, to prevent equipment damage or fire caused by continued temperature increases, the expansion component can expand upon heating, pushing the first locking block 21 to release the locking limit, and then the ejector component pushes the plug 2 out. However, at this time, the first locking block 21 cannot push the second locking block 18 to move. Therefore, after the plug 2 is partially moved out, its slot 26 will be locked by the second locking block 18. At this time, the conductive post 9 separates from the conductive cylinder 10, thus achieving... In the current case, the power is disconnected to prevent the temperature from continuing to rise; third, if the temperature continues to rise or a fire is caused, the expansion component will expand more. At this time, the first locking block 21 can push the second locking block 18 to move, so that the second locking block 18 can also release the locking limit. At this time, the plug 2 can be completely pushed out, so that the first connector and the second connector are completely separated; fourth, if the plug 2 is on fire and the expansion component has not started to operate, the memory metal sheet 15 can be heated and deformed, pushing the push block 14 to release the first-level locking and the second-level locking, directly achieving complete separation.

[0063] Workflow: When the second connector needs to be connected to the first connector, the plug 2 is inserted into the connecting cavity 8 of the inner shell 7. During insertion, the end of the plug 2 contacts the inclined surfaces of the second locking block 18 and the first locking block 21 in sequence. Due to the pushing force of the plug 2, the first locking block 21 and the second locking block 18 are pushed away from the center of the connecting cavity 8, and the first pressure plate 22 and the second pressure plate 20 undergo corresponding elastic deformation. During this process, the shoulder 27 of the plug 2 can push the push rod 13, causing the push rod 13 to drive the push plate 12 to move along the slide rod 25 and compress the spring 11. When the plug 2 is fully inserted, that is, when the conductive post 9 is fully inserted into the conductive cylinder 10 to achieve electrical connection, the slot 26 on the plug 2 corresponds to the locking end position of the first locking block 21. The first locking block 21 is reset under the action of the elastic restoring force of the first pressure plate 22, and its locking end is locked into the slot 26. In this state, the first locking block 21 mainly achieves stable locking to prevent the plug 2 from withdrawing on its own.

[0064] When active separation is required, the operator pinches the grips 3 on both sides of the plug 2 with their thumb and forefinger and squeezes them together towards the plug 2. The grips 3 drive the connecting rod 5 to rotate in the mounting slot 4 of the mounting box 16, and the push block 14 at the other end of the connecting rod 5 moves towards the first locking block 21. The push block 14 first contacts and pushes the first locking block 21 to overcome the pressure of the first pressure plate 22, causing the locking end of the first locking block 21 to exit the slot 26 and release the first-level locking. At this time, the push block 14 is equivalent to filling the slot 26, that is, there is no slot 26. Therefore, the first locking block 21 cannot lock with the plug 2. Similarly, the second locking block 18 cannot lock with the plug 2. At this time, the plug 2 can be completely pulled out.

[0065] When an abnormal temperature rise occurs at the connection point but no fire occurs, the fixing box 23 transfers heat to the internal expansion member 24, causing the expansion member 24 to expand. The expanding member 24 pushes the non-clamping end of the first clamping block 21, causing the first clamping block 21 to move away from the center of the connection cavity 8, and its clamping end exits the slot 26, releasing the first-level clamping. At this time, the spring 11 pushes the push plate 12 and the push rod 13, pushing the plug 2 outward. After the plug 2 is pushed out a certain distance, its slot 26 moves to the position corresponding to the clamping end of the second clamping block 18. The second clamping block 18, under the action of the second pressure plate 20, clamps into the slot 26, realizing the second-level clamping limit. At this time, the conductive post 9 and the conductive cylinder 10 have separated, cutting off the circuit and preventing the temperature from rising further. This state can be referred to in the appendix. Figure 15 In this state, staff can know that the temperature at that location has risen abnormally based on plug 2.

[0066] If the temperature continues to rise or a fire is ignited, the expansion member 24 will expand further. At this time, the first locking block 21, pushed by the expansion member 24, not only releases its own locking mechanism, but its movement distance can also push the second locking block 18 to overcome the pressure of the second pressure plate 20, causing the locking end of the second locking block 18 to also exit the slot 26, releasing the secondary locking mechanism. At this time, the plug 2 can be completely pushed out of the inner shell 7, achieving complete separation. In addition, if the plug 2 catches fire inside, the high temperature will heat the memory metal sheet 15. The memory metal sheet 15, which was originally in a small-opening V-shape, will deform and return to a preset large-opening V-shape. Its opening will open, pushing the push block 14 to move away from the plug 2, so that the push block 14 fills the slot 26, which can simultaneously release the primary and secondary locking mechanisms. Under the continuous pushing force of the spring 11, the plug 2 can be completely pushed out of the inner shell 7, so that the first connector and the second connector are completely separated, effectively preventing the spread of fire. After the memory metal sheet 15 moves, whether it is in a primary or secondary locking mechanism, the plug 2 can be completely pushed out.

[0067] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

[0068] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A conductive connection device for an industrial control computer, characterized in that, The device includes two interconnected connectors, a first connector and a second connector, which are electrically connected via conductive parts. The first connector includes an insulated outer shell (1) and an inner shell (7) fixedly disposed inside the outer shell (1). The second connector includes an insulated plug (2), which is inserted into the connecting cavity (8) of the inner shell (7). A snap-fit ​​assembly is provided between the plug (2) and the inner shell (7) to prevent the first connector and the second connector from separating. An ejection assembly for ejecting the plug (2) is also provided inside the inner shell (7). The snap-fit ​​assembly includes a snap-fit ​​part and a separation part. The separation part is used to release the snap-fit ​​of the snap-fit ​​part. The separation part includes an active separation assembly and a passive separation assembly. The passive separation assembly is activated by heat.

2. The conductive connection device for an industrial control computer according to claim 1, characterized in that, A conductive cylinder (10) is fixedly installed on the inner top of the outer shell (1). The conductive cylinder (10) is located in the connecting cavity (8). A conductive post (9) is fixedly installed at the end of the plug (2). The conductive post (9) and the conductive cylinder (10) are connected by insertion.

3. The conductive connection device for an industrial control computer according to claim 1, characterized in that, A partition (6) is fixedly provided inside the inner shell (7). The partition (6) divides the interior of the inner shell (7) into a connecting cavity (8) and an installation cavity. The ejection assembly is located in the installation cavity.

4. The conductive connection device for an industrial control computer according to claim 3, characterized in that, The ejection assembly includes a slide rod (25), a push plate (12), and a push rod (13). The slide rod (25) is fixedly connected to the inner shell (7) and located in the mounting cavity. The push plate (12) is slidably disposed on the slide rod (25). One end of the push rod (13) is fixedly disposed on the push plate (12). A shoulder (27) is provided in the middle of the plug (2). The other end of the push rod (13) abuts against the shoulder (27). The push plate (12) provides ejection force through a first elastic element.

5. The conductive connection device for an industrial control computer according to claim 3, characterized in that, The snap-fit ​​part includes a primary snap-fit ​​and a secondary snap-fit. Both the primary snap-fit ​​and the secondary snap-fit ​​include a slot (26) provided on the plug (2). The primary snap-fit ​​also includes a first snap-fit ​​block (21) and a first pressure plate (22). The first snap-fit ​​block (21) is slidably disposed on the partition (6). One end of the first pressure plate (22) is fixedly disposed on the partition (6), and the other end is pressed on the first snap-fit ​​block (21). The snap-fit ​​end of the first snap-fit ​​block (21) matches the slot (26).

6. The conductive connection device for an industrial control computer according to claim 5, characterized in that, The secondary locking mechanism further includes a second locking block (18) and a second pressure plate (20). The second locking block (18) is slidably mounted on the partition (6) via a sliding assembly. One end of the second pressure plate (20) is fixedly connected to the partition (6), and the other end is pressed on the second locking block (18). The locking end of the second locking block (18) matches the locking slot (26). The first locking block (21) can push the second locking block (18).

7. The conductive connection device for an industrial control computer according to claim 6, characterized in that, The sliding assembly includes a guide groove (19) fixedly disposed on the partition (6) and a slider (28) fixedly disposed on the side of the second card block (18), the slider (28) being slidably disposed in the guide groove (19).

8. The conductive connection device for an industrial control computer according to claim 6, characterized in that, The active separation component includes a mounting box (16) fixedly installed inside the plug (2). The mounting box (16) has a mounting groove (4) inside. A connecting rod (5) is rotatably installed inside the mounting groove (4). A gripping block (3) is fixedly installed at one end of the connecting rod (5), and a push block (14) is fixedly installed at the other end. The push block (14) can push the first locking block (21) or the second locking block (18) to move.

9. The conductive connection device for an industrial control computer according to claim 6, characterized in that, The passive separation component includes an expansion component, which includes a fixed box (23) and an expansion member (24) disposed inside the fixed box (23). The expansion member (24) expands when heated, and the non-clamping end of the first locking block (21) is slidably disposed inside the fixed box (23).

10. A conductive connection device for an industrial control computer according to claim 9, characterized in that, The passive separation component also includes a shape memory metal sheet (15), which is V-shaped. One end of the shape memory metal sheet (15) is fixed on the push block (14), and the opening of the shape memory metal sheet (15) opens when heated.

Images