A test smart connect module

Abstract

The application discloses a test type intelligent connection module and belongs to the technical field of electrical connectors. The test type intelligent connection module comprises an insulating shell, two wiring holes and corresponding spring sheet installation cavities are arranged on the shell, a tension spring is installed in each cavity, a first conductive sheet and a second conductive sheet are respectively installed on the left side and the right side in the shell, U-shaped long notches and U-shaped short notches are respectively arranged at opposite ends of the two conductive sheets, and a space is reserved between the two conductive sheets. A sliding block assembly is movably installed in the middle of the shell, the sliding block assembly comprises a screw, a pressing block and a conductive bridging sliding block, and a stud section of the screw is slidably installed between the two U-shaped notches. When the sliding block assembly slides to a left limit position, the conductive bridging sliding block only contacts the first conductive sheet, and a circuit is disconnected; when the sliding block assembly slides to a right limit position, the conductive bridging sliding block simultaneously contacts the two conductive sheets, and the circuit is connected. The test type intelligent connection module can realize quick switching of circuit on-off, has the advantages of convenient operation, reliable positioning, stable contact and convenient online testing and the like.

Description

Technical Field

[0001] This invention relates to the field of electrical technology, and more particularly to electrical connectors, specifically an experimental intelligent connection module. Background Technology

[0002] In the fields of electrical control, power distribution systems, and industrial automation, terminal blocks are among the most fundamental components in electrical connection systems. Their main function is to achieve reliable electrical connections between wires and between wires and electrical equipment. With the rapid development of modern power systems, industrial automation, and intelligent manufacturing, the wiring density in electrical control cabinets and power distribution systems is constantly increasing, placing higher demands on the functionality, safety, convenience, and reliability of terminal blocks. Especially in scenarios such as circuit testing, equipment maintenance, line maintenance, and troubleshooting, operators often need to temporarily connect or disconnect specific lines. This requires terminal blocks to not only possess basic electrical connection functions but also the flexibility and convenience of circuit on / off control.

[0003] Currently, existing terminal blocks typically employ screw-press or spring-clamp structures. Once the wire is connected and secured, a permanent or semi-permanent electrical connection is formed. They generally only provide basic wire crimping and electrical conduction functions, lacking circuit continuity control. During circuit testing or line switching, operators need to repeatedly disconnect and reconnect wires or use external jumpers to switch the circuit on and off. This process is not only cumbersome and time-consuming, but the repeated insertion and removal of wires can easily cause the spring's elasticity to weaken, the wire ends to wear, and the insulation shell to be damaged, thus affecting the terminal block's lifespan and the reliability of the electrical connection. This is especially true in multi-circuit, high-density wiring scenarios, where the operational burden and safety hazards caused by frequent wire disconnection are even more pronounced. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an experimental intelligent connection module that overcomes these limitations. It enables rapid switching between circuit on / off states and offers advantages such as convenient operation, reliable positioning, stable contact, and ease of online testing.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] An experimental intelligent connection module includes an insulating shell. The upper side of the insulating shell has a first wiring hole and a second wiring hole. The side of the insulating shell has a first spring mounting cavity and a second spring mounting cavity. A first tension spring and a second tension spring are respectively installed in the first spring mounting cavity and the second spring mounting cavity. The first wiring hole is connected to the first spring mounting cavity, and the second wiring hole is connected to the second spring mounting cavity.

[0007] The feature is that: a first conductive sheet and a second conductive sheet are respectively installed on the left and right sides inside the insulating shell; the left end of the first conductive sheet abuts against the first tension spring; the right end of the first conductive sheet extends to the middle position of the insulating shell; and a U-shaped long slot is opened at the right end of the first conductive sheet; the right end of the second conductive sheet abuts against the second tension spring; the left end of the second conductive sheet extends to the middle position of the insulating shell; and a U-shaped short slot is opened at the left end of the second conductive sheet; the U-shaped long slot and the U-shaped short slot are arranged opposite to each other.

[0008] A gap D is left between the right end of the first conductive sheet and the left end of the second conductive sheet. A slider assembly is movably installed in the middle of the insulating shell. The slider assembly includes a screw, a pressure block, and a conductive bridging slider. The stud end of the screw passes through the pressure block and is threadedly connected to the conductive bridging slider. The pressure block and the screw are rotatably and axially fixedly assembled. The lengths of the pressure block and the conductive bridging slider are both greater than the gap D. The stud section of the screw located between the pressure block and the conductive bridging slider is slidably installed between the U-shaped long slot and the U-shaped short slot. When the screw slides to the left limit position, the conductive bridging slider contacts the lower surface of the first conductive sheet and disengages from the second conductive sheet. When the screw slides to the right limit position, the lower surface of the conductive bridging slider contacts the lower surfaces of the first and second conductive sheets simultaneously.

[0009] Preferably, a groove cavity is provided in the middle of the insulating shell, and the screw is slidably installed in the groove cavity at the stud section at the lower end of the conductive bridging slider;

[0010] A clearance notch is provided at the center of the front side of the groove cavity, and the width of the clearance notch is adapted to the diameter of the stud section of the screw.

[0011] Preferably, the front side of the insulating housing is provided with a left cover plate and a right cover plate, which cover the outer sides of the first spring mounting cavity and the second spring mounting cavity, respectively.

[0012] Preferably, the upper surface of the insulating shell is provided with a first button mounting hole and a second button mounting hole, and a first button and a second button are respectively installed in the first button mounting hole and the second button mounting hole. The lower end of the first button is in contact with the first spring, and the lower end of the second button is in contact with the second spring.

[0013] Preferably, limiting protrusions are provided on the left and right sides of the lower surface of the pressure block, and the limiting protrusions slide in cooperation with the U-shaped long groove and the U-shaped short groove; when the screw slides to the left limit position, the limiting protrusion on the left side abuts against the inner wall of the left end of the U-shaped long groove; when the screw slides to the right limit position, the limiting protrusion on the right side abuts against the inner wall of the right end of the U-shaped short groove.

[0014] Preferably, a first positioning rib and a second positioning rib are respectively provided inside the insulating shell, and the first positioning rib and the second positioning rib are respectively located directly below the first conductive sheet and the second conductive sheet.

[0015] The first positioning rib and the second positioning rib are respectively provided with a first positioning through hole and a second positioning through hole. The first conductive sheet is integrally stretched downward at the middle position to form a first positioning boss, which is inserted into the first positioning through hole. The second conductive sheet is integrally stretched downward at the middle position to form a second positioning boss, which is inserted into the second positioning through hole.

[0016] Preferably, a first test socket and a second test socket are respectively provided on the top of the insulating shell. The first positioning boss and the second positioning boss each have an inner hole that runs vertically through them. The first test socket and the second test socket are respectively connected vertically to the inner hole in the middle of the first positioning boss and the inner hole in the middle of the second positioning boss.

[0017] Preferably, the sidewalls of both the first positioning through hole and the second positioning through hole are provided with chamfered edges.

[0018] Preferably, the left end of the first conductive sheet is integrally bent upward to form a first contact sheet, and the right end of the second conductive sheet is integrally bent upward to form a second contact sheet. Hooks are provided on the upper side of the first contact sheet and the upper side of the second contact sheet. The first conductive sheet and the second conductive sheet are respectively engaged and fixed to the insulating shell by the hooks.

[0019] Preferably, the outer surface of the insulating housing is provided with multiple marking strip slots.

[0020] This invention provides an experimental intelligent connection module with the following advantages: By setting a sliding slider assembly that can slide left and right in the middle of the insulating shell, the contact and separation between the conductive bridging slider and the first and second conductive plates in the slider assembly realizes convenient control of the on / off state of the terminal circuit. When the slider assembly slides to the right limit position, the conductive bridging slider simultaneously connects to the lower surfaces of the first and second conductive plates, realizing electrical conduction between them; when the slider assembly slides to the left limit position, the conductive bridging slider disengages from the second conductive plate, and the circuit is reliably cut off. Compared with the existing technology that requires repeated disassembly and reassembly of wires to switch the circuit on / off state, this invention requires no tools; simply pushing the slider assembly completes the rapid switching of the circuit on / off state. The operation time can be shortened from several minutes in the traditional wire disassembly method to several seconds, which significantly improves work efficiency, especially in testing and debugging scenarios that require frequent on / off operations. At the same time, since there is no need to repeatedly plug and unplug wires, problems such as spring elasticity decay, wire end wear, and insulation shell damage are avoided, effectively extending the service life of the product.

[0021] A recessed cavity is provided in the middle of the insulating housing, allowing the stud section of the screw, located below the conductive bridging slider, to be slidably installed within it. The stud section at the lower end of the screw remains within the recessed cavity. Because the top surface of the recessed cavity is sealed by the conductive bridging slider and conductive plate, the stud section of the screw is confined within the space between the bottom of the recessed cavity and the conductive bridging slider, preventing it from detaching. This structure effectively prevents the slider assembly from falling out of the insulating housing under vibration or user error, ensuring long-term product reliability. Simultaneously, a clearance notch in the middle of the front side of the recessed cavity, with a width matching the diameter of the screw's stud section, facilitates the assembly of the slider assembly while maintaining the anti-detachment function.

[0022] By interlocking the integrated tension positioning bosses on the first and second conductive sheets with the positioning through holes on the positioning ribs inside the insulating housing, the conductive sheets are omnidirectionally limited in both the horizontal and vertical directions. After the positioning boss is inserted into the positioning through hole, the displacement of the conductive sheet in the front-back and left-right directions is effectively restricted. Simultaneously, because the shoulder of the positioning boss is engaged with the upper edge of the positioning through hole, the conductive sheet cannot be dislodged upwards. Compared to existing technologies that rely solely on interference fits or simple snap-fit ​​fixing methods, this interlocking structure offers higher positioning accuracy and stronger resistance to detachment. Even under significant impact or vibration, the conductive sheet maintains a stable installation position. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in this invention or the prior art, the accompanying drawings used in the description of this invention or the prior art will be briefly introduced below.

[0024] Figure 1 This is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram showing the structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the insulating shell structure in this invention;

[0027] Figure 4 This is a schematic diagram of the slider assembly in this invention;

[0028] Figure 5 This is a schematic diagram of the structure of the first conductive sheet and the second conductive sheet in this invention;

[0029] Figure 6 This is a schematic diagram of the structure of the present invention in the ON state;

[0030] Figure 7 This is a schematic diagram of the structure of the present invention in the disconnected state;

[0031] Figure 8 This is a schematic diagram of the structure of the present invention during testing;

[0032] Explanation of the labels in the diagram:

[0033] 1. Insulating housing; 2. First wiring hole; 3. Second wiring hole; 4. First spring mounting cavity; 5. Second spring mounting cavity; 6. First tension spring; 7. Second tension spring; 8. First conductive sheet; 9. Second conductive sheet; 10. U-shaped long slot; 11. U-shaped short slot; 12. Slider assembly; 13. Screw; 14. Pressure block; 141. Limiting protrusion; 16. Conductive bridging slider; 17. Groove cavity; 171. Relief notch; 18. Left cover plate; 19. Right cover plate; 20. 21. First button mounting hole; 22. Second button mounting hole; 23. First button; 24. Second button; 25. First positioning rib; 26. Second positioning rib; 27. First positioning through hole; 28. Second positioning through hole; 29. ​​First positioning boss; 30. Second positioning boss; 31. First contact piece; 32. Second contact piece; 33. Hook; 34. Marker strip slot; 35. First test socket; 36. Second test socket; 37. Wire; 38. Test plug. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0035] Example 1, as Figures 1 to 8 As shown, an experimental intelligent connection module includes an insulating housing 1, which is integrally manufactured using injection molding of an engineering plastic with excellent insulating properties (such as polyamide PA66, polycarbonate PC, or polybutylene terephthalate PBT). A first wiring hole 2 and a second wiring hole 3 are provided on the upper side of the insulating housing 1 for inserting external wires, respectively. A first spring mounting cavity 4 and a second spring mounting cavity 5 are respectively provided on the left and right sides of the front side of the insulating housing 1, both recessed inwards along the front-rear direction of the insulating housing 1. A first spring 6 is installed in the first spring mounting cavity 4, and a second spring 7 is installed in the second spring mounting cavity 5. Both the first spring 6 and the second spring 7 are elastic clamping elements made of elastic metal materials (such as stainless steel or beryllium copper alloy), with a structure resembling a "U" shape, having at least one elastic arm and one fixed arm. The fixed arm of the spring is secured in the corresponding slot of the spring mounting cavity, while the elastic arm can undergo elastic deformation under external force.

[0036] The first wiring hole 2 is connected to the first spring mounting cavity 4, and the second wiring hole 3 is connected to the second spring mounting cavity 5. Specifically, the first wiring hole 2 extends downward from the upper surface of the insulating housing 1 and communicates with the upper space of the first spring mounting cavity 4, and the second wiring hole 3 extends downward from the upper surface of the insulating housing 1 and communicates with the upper space of the second spring mounting cavity 5. After the wire is inserted through the first wiring hole 2, it enters the first spring mounting cavity 4 vertically, and the end of the wire is clamped and fixed by the elastic arm of the first tension spring 6. Similarly, after the wire is inserted through the second wiring hole 3, it enters the second spring mounting cavity 5 and is clamped and fixed by the second tension spring 7.

[0037] Inside the insulating housing 1, a first conductive sheet 8 and a second conductive sheet 9 are respectively installed on the left and right sides. Both the first conductive sheet 8 and the second conductive sheet 9 are made of metal materials with excellent conductivity (such as copper, brass, or phosphor bronze). Preferably, their surfaces can be tin-plated or silver-plated to improve conductivity and oxidation resistance. The left end of the first conductive sheet 8 is located in the first spring mounting cavity 4 and abuts against the first tension spring 6. The elastic arm of the first tension spring 6 presses the wire tightly against the conductive contact surface of the left end of the first conductive sheet 8, thereby realizing electrical conduction between the wire and the first conductive sheet 8. The right end of the first conductive sheet 8 extends to the middle of the insulating housing 1, and a U-shaped long slot 10 is formed at the right end of the first conductive sheet 8. The U-shaped long slot 10 is formed by recessing and extending inward (i.e., to the left) from the edge of the right end face of the first conductive sheet 8, with its slot facing the right side.

[0038] The right end of the second conductive piece 9 is located inside the second spring mounting cavity 5 and abuts against the second spring 7. The elastic arm of the second spring 7 presses the wire tightly against the conductive contact surface of the right end of the second conductive piece 9, realizing electrical conduction between the wire and the second conductive piece 9. The left end of the second conductive piece 9 extends to the middle of the insulating shell 1, and a U-shaped short slot 11 is formed on the left end of the second conductive piece 9. The U-shaped short slot 11 is formed by recessing and extending inward (i.e., to the right) from the edge of the end face of the left end of the second conductive piece 9, with its slot facing to the left. The U-shaped long slot 10 is arranged opposite to the U-shaped short slot 11; the U-shaped long slot 10 and the U-shaped short slot 11 are arranged opposite to each other on the same horizontal plane, and the opening directions of their slots are opposite to each other. The extension length from the bottom to the opening of the U-shaped long slot 10 is much greater than the extension length from the bottom to the opening of the U-shaped short slot 11.

[0039] A gap D is left between the right end of the first conductive sheet 8 and the left end of the second conductive sheet 9. The gap D is the straight-line distance between the right end face of the first conductive sheet 8 and the left end face of the second conductive sheet 9. The specific value of the gap D is determined according to the rated voltage and electrical clearance requirements of the product to ensure that there is sufficient electrical clearance and creepage distance between the first conductive sheet 8 and the second conductive sheet 9 in the disconnected state, so as to meet the safety standard requirements.

[0040] A slider assembly 12 is movably mounted in the middle of the insulating housing 1, such as... Figure 4 As shown, the slider assembly 12 includes a screw 13, a pressure block 14, and a conductive bridging slider 16. The screw 13 is a standard threaded fastener made of insulating material, with its head at the top and the stud end extending downwards. The pressure block 14 is a long, strip-shaped plate structure made of insulating material, extending along the left-right direction of the insulating housing 1. A through hole is formed at the center of the pressure block 14, through which the stud end of the screw 13 passes. The conductive bridging slider 16 is a long, strip-shaped conductive block made of conductive metal material, also extending along the left-right direction of the insulating housing 1. A threaded hole is formed at the center of the conductive bridging slider 16, and the stud end of the screw 13 is threaded into this hole. The pressure block 14 is located above the conductive bridging slider 16, leaving space between them to accommodate the first conductive sheet 8 and the second conductive sheet 9.

[0041] The pressure block 14 and the screw 13 are rotatable but axially fixed in an assembly relationship. Specifically, the inner wall of the through hole of the pressure block 14 is provided with an annular boss or retaining ring, and the stud of the screw 13 is provided with an annular groove or shoulder at a corresponding position. The annular boss is engaged in the annular groove, allowing the screw 13 to rotate freely within the through hole of the pressure block 14, but the screw 13 cannot move relative to the pressure block 14 in the axial direction (i.e., the up-down direction). When the screw 13 is rotated, since the screw 13 is fixed axially relative to the pressure block 14, and the conductive bridging slider 16 is threadedly connected to the screw 13, the rotational movement of the screw 13 will be converted into the axial movement of the conductive bridging slider 16 relative to the screw 13, thereby adjusting the contact pressure between the conductive bridging slider 16 and the lower surfaces of the first conductive sheet 8 and the second conductive sheet 9.

[0042] The lengths of both the pressure block 14 and the conductive bridging slider 16 are greater than the interval D, allowing the conductive bridging slider 16 to span the interval D and simultaneously contact the lower surfaces of the first conductive sheet 8 and the second conductive sheet 9. The stud section of the screw 13, located between the pressure block 14 and the conductive bridging slider 16, is slidably installed between the U-shaped long slot 10 and the U-shaped short slot 11; that is, the stud section of the screw 13 is constrained within the sliding channel formed by the U-shaped long slot 10 and the U-shaped short slot 11. Since both the U-shaped long slot 10 and the U-shaped short slot 11 are U-shaped groove structures, their groove width is adapted to the diameter of the stud section of the screw 13 (the groove width is slightly larger than the stud diameter, with a tolerance between 0.1 mm and 0.3 mm), thus the stud section of the screw 13 can slide freely in the groove in the left-right direction.

[0043] The slider assembly 12 has a left limit position and a right limit position. The left and right limit positions are defined by the bottoms (i.e., the innermost ends of the slots) of the U-shaped long slot 10 and the U-shaped short slot 11, respectively. Figure 7As shown, when the slider assembly 12 is pushed to its leftmost limit position, the right end of the conductive bridging slider 16 has retracted from below the second conductive piece 9. The conductive bridging slider 16 is only in contact with the lower surface of the first conductive piece 8, and is no longer in contact with the lower surface of the second conductive piece 9. Since the first conductive piece 8 and the second conductive piece 9 are not bridged by the conductive bridging slider 16, the two conductive pieces are electrically disconnected, and the experimental intelligent connection module is in a disconnected state. Figure 6 As shown, when the slider assembly 12 is pushed to its rightmost position, the left and right ends of the conductive bridging slider 16 are located below the first conductive piece 8 and the second conductive piece 9, respectively. The lower surface of the conductive bridging slider 16 is in contact with the lower surfaces of the first conductive piece 8 and the second conductive piece 9 simultaneously. The conductive bridging slider 16 acts as a bridging conductor, electrically connecting the first conductive piece 8 and the second conductive piece 9, and the experimental intelligent connection module is in the ON state.

[0044] In addition, in this embodiment, a rectangular operation window is provided at the middle of the upper surface of the insulating housing 1. The window penetrates the upper wall of the insulating housing 1 and is used to expose the top of the slider assembly 12, so that the operator can directly contact and move the slider assembly 12 through the window to manually switch the on and off state of the connection module.

[0045] In the ON state, the current path is: first conductor → first spring 6 → first conductive piece 8 → conductive bridging slider 16 → second conductive piece 9 → second spring 7 → second conductor, thus achieving an electrical connection between the two conductors. In the OFF state, the above current path is interrupted.

[0046] Working principle:

[0047] When wiring, first confirm that the slider assembly 12 is in the required position (if it is necessary to maintain the connected state after connecting the wire, slide the slider assembly 12 to the right limit position; if it is necessary to disconnect, slide it to the left limit position). Then process the wire end; for single-strand solid wire, simply cut an appropriate length and strip an appropriate length of insulation layer; for multi-strand flexible wire, after stripping the insulation layer, twist the loose fine copper wires tightly together, or crimp a cold-pressed end of the corresponding specification.

[0048] Next, align the wire end with the first wiring hole 2 or the second wiring hole 3 and insert it vertically downwards. The wire end passes through the wiring hole and enters the corresponding first spring mounting cavity 4 and second spring mounting cavity 5. This causes the elastic arms of the first and second springs to elastically deform. When the wire is fully inserted, the elastic arms of the first and second springs rebound under their own elastic restoring force, pressing the wire end firmly onto the first conductive plate 8 and the second conductive plate 9, respectively. At this point, a reliable electrical connection is established between the wire and the conductive plates.

[0049] When it is necessary to switch the circuit from the on state to the off state, the operator only needs to insert a tool (such as a flathead screwdriver or a special lever) into the rectangular operating window and mate it with the head slot of the screw 13. Then, rotate the screw 13 so that the threaded connection between the stud end of the screw 13 and the conductive bridging slider 16 causes the conductive bridging slider 16 to move downward a certain distance in the vertical direction, thereby reducing the contact pressure between the conductive bridging slider 16 and the lower surfaces of the first conductive sheet 8 and the second conductive sheet 9. This allows the operator to easily move the slider assembly 12 in the horizontal direction. Subsequently, the operator uses a tool (such as a flathead screwdriver or a special lever) to move screw 13 to the left through the rectangular operating window, causing the entire slider assembly 12 to move horizontally to the left. During the sliding process, the stud section of screw 13 moves to the left within the U-shaped long slot 10 and U-shaped short slot 11. When it is moved to the left limit position, the conductive bridging slider 16 has completely retracted from below the second conductive piece 9, maintaining contact only with the lower surface of the first conductive piece 8, and the circuit is in a reliable disconnected state. The operator can then rotate screw 13 in the opposite direction to move the conductive bridging slider 16 vertically upward a certain distance, restoring tight contact between the conductive bridging slider 16 and the lower surface of the first conductive piece 8. This ensures that there is a certain contact pressure between the conductive bridging slider 16 and the first conductive piece 8 in the disconnected state, preventing displacement of the conductive bridging slider 16 due to vibration or accidental contact, thereby ensuring the stability and reliability of the disconnected circuit state.

[0050] When it is necessary to switch the circuit from the disconnected state back to the connected state, the operator only needs to insert the tool (such as a flathead screwdriver or a special lever) into the rectangular operating window again, and mate it with the head slot of the screw 13. Then, rotate the screw 13 to reduce the contact pressure between the conductive bridging slider 16 and the lower surface of the first conductive piece 8. Then, use the tool to turn the screw 13 to the right through the rectangular operating window to move the entire slider assembly 12 to the right in the horizontal direction. When it is turned to the right limit position, the conductive bridging slider 16 is connected across the lower surface of the first conductive piece 8 and the second conductive piece 9. Then, rotate the screw 13 in the opposite direction to move the conductive bridging slider 16 upward in the vertical direction by a certain distance, so that the conductive bridging slider 16 and the lower surface of the first conductive piece 8 and the second conductive piece 9 are in close contact again, thereby ensuring that the circuit is in a reliable connected state.

[0051] The entire switching process is simple to operate, requiring only two actions: rotation and tossing, without the need for additional complex tools, significantly improving the convenience and efficiency of operation. Meanwhile, the threaded connection between the stud end of screw 13 and the conductive bridging slider 16 allows for more precise and controllable vertical position adjustment of the conductive bridging slider 16, further ensuring uniform and stable contact pressure between the conductive bridging slider 16 and the first conductive plate 8 and the second conductive plate 9, thus guaranteeing the reliability and safety of circuit switching.

[0052] In Embodiment Two, as a further preferred embodiment of Embodiment One, a recessed cavity 17 is provided in the middle of the insulating housing 1. The recessed cavity 17 is a hollow structure formed by a downward indentation from the middle of the insulating housing 1, extending in the left-right direction of the insulating housing 1, and its extension length is adapted to the sliding stroke of the slider assembly 12. The stud section of the screw 13 located below the conductive bridging slider 16 (i.e., the stud end extending below the threaded hole of the conductive bridging slider 16) is slidably installed in the recessed cavity 17. The width of the recessed cavity 17 is adapted to the diameter of the stud section of the screw 13, so that the stud end of the screw 13 can slide freely in the recessed cavity 17 without producing excessive wobbling. The recessed cavity 17 is a hollow structure, and the stud section at the lower end of the screw 13 is always located in the recessed cavity 17. Since the top surface of the recessed cavity 17 is closed by the conductive bridging slider 16, the stud section of the screw 13 is restricted between the bottom of the recessed cavity 17 and the conductive bridging slider 16, and cannot be dislodged from the recessed cavity 17. In this way, even in a vibrating environment or under user error, the slider assembly 12 will not detach from the insulating housing 1.

[0053] A clearance notch 171 is provided at the center of the front side of the recessed cavity 17. The clearance notch 171 is a strip-shaped opening with an upper opening that extends along the vertical direction of the recessed cavity 17. The width of the clearance notch 171 is adapted to the diameter of the stud section of the screw 13 (the width of the clearance notch 171 is slightly larger than the diameter of the stud section of the screw 13 so that the screw 13 can pass through the clearance notch 171). The function of the clearance notch 171 is that during the process of installing the slider assembly 12 into the insulating housing 1, the stud section of the screw 13 can enter the interior of the recessed cavity 17 through the clearance notch 171, avoiding interference during assembly and facilitating the rapid assembly of the slider assembly 12. Once the slider assembly 12 is assembled in place, the stud section of the screw 13 enters the internal space of the recessed cavity 17, and the clearance notch 171 is no longer aligned with the stud section of the screw 13 (or in other words, the stud section of the screw 13 is blocked by the conductive bridging slider 16), thus achieving the dual function of facilitating assembly and preventing dislodgement.

[0054] In Example 3, as a further preferred embodiment of Example 1, a left cover plate 18 and a right cover plate 19 are respectively provided on the front side of the insulating housing 1. The left cover plate 18 covers the outside (i.e., the front side) of the first spring mounting cavity 4, and the right cover plate 19 covers the outside (i.e., the front side) of the second spring mounting cavity 5. Both the left cover plate 18 and the right cover plate 19 are rectangular thin plates, and their shapes and sizes are adapted to the front openings of the first spring mounting cavity 4 and the second spring mounting cavity 5, respectively. The left cover plate 18 and the right cover plate 19 can be made of the same insulating material as the insulating housing 1 and are fixed to the front side of the insulating housing 1 by means of snap-fit ​​connection, ultrasonic welding, or screw connection. The provision of the left cover plate 18 and the right cover plate 19 can, on the one hand, protect the internal tension spring structure, prevent dust, debris and moisture from entering the spring mounting cavity, and improve the protection level of the product; on the other hand, it can prevent operators from accidentally contacting live parts, improving the safety of use; at the same time, the provision of the cover plates also makes the product appearance cleaner and more aesthetically pleasing.

[0055] In Example 4, as a further preferred embodiment of Example 1, a first button mounting hole 20 and a second button mounting hole 21 are respectively formed on the upper surface of the insulating housing 1. The first button mounting hole 20 is located beside the first wiring hole 2, and the second button mounting hole 21 is located beside the second wiring hole 3. A first button 22 is installed in the first button mounting hole 20, and a second button 23 is installed in the second button mounting hole 21. Both the first button 22 and the second button 23 are made of insulating material, and their structure includes a pressing part located at the top and a driving part extending downward. The driving part of the first button 22 extends downward into the first spring mounting cavity 4, and its lower end contacts the elastic arm of the first tension spring 6. Similarly, the lower end of the second button 23 contacts the elastic arm of the second tension spring 7.

[0056] The working principle of the first button 22 and the second button 23 is as follows: When it is necessary to remove the wire from the first wiring hole 2, the user presses down on the first button 22. The lower end of the first button 22 pushes the elastic arm of the first spring 6 downward, causing it to deform downward. This releases the clamping force between the elastic arm of the first spring 6 and the wire, freeing the wire from the spring's grip. The user can then easily pull the wire out of the first wiring hole 2. After releasing the first button 22, the first spring 6 returns to its clamped state under its own elastic restoring force. The operation of the second button 23 is the same as that of the first button 22. This button-type release structure makes wire removal and installation very quick and easy, requiring no tools and can be completed with one hand, effectively improving the product's installation efficiency and maintenance convenience.

[0057] In actual wiring operations, the wire is inserted into the first wiring hole 2 or the second wiring hole 3 from the top front of the insulating housing 1. For single-strand solid wires, the wire end can be inserted directly without any treatment, as the elastic clamping force of the tension spring is sufficient to ensure reliable electrical connection and mechanical fixation. For multi-strand flexible wires, the wire end can be twisted before insertion, or a cold-pressed end can be crimped before insertion. The elastic arm of the tension spring can adaptively press the surface of the wire or end to achieve a reliable connection. This front-entry, button-release wiring method is intuitive to operate, quick to assemble and disassemble, and suitable for various types of wires, meeting the wiring needs of different customers.

[0058] In Example 5, as a further preferred embodiment of Example 1, limiting protrusions 141 are respectively provided on the left and right sides of the lower surface of the pressure block 14. The limiting protrusions 141 are block-shaped structures protruding downward from the lower surface of the pressure block 14 and are integrally injection molded with the pressure block 14. The position of the limiting protrusion 141 on the left corresponds to the U-shaped long slot 10, and the position of the limiting protrusion 141 on the right corresponds to the U-shaped short slot 11. The widths of the two limiting protrusions 141 are adapted to the slot widths of the U-shaped long slot 10 and the U-shaped short slot 11, respectively, so that the limiting protrusions 141 can be embedded in the corresponding U-shaped slots and slide along the extension direction of the slots. A certain gap is left between the lower end face of the limiting protrusion 141 and the upper surface of the conductive bridging slider 16 to ensure that the limiting protrusion 141 does not interfere with the conductive bridging slider 16. The thickness (i.e., vertical dimension) of the limiting protrusion 141 is approximately the same as or slightly smaller than the thickness of the conductive sheet, allowing the limiting protrusion 141 to slide smoothly in the U-shaped groove.

[0059] When screw 13 slides to its left limit position, the limiting protrusion 141 on the left side abuts against the inner wall (i.e., the bottom of the groove) at the left end of the U-shaped long groove 10. At this time, because the limiting protrusion 141 is blocked by the bottom of the U-shaped long groove 10, the slider assembly 12 cannot continue to slide to the left, thus mechanically limiting the left limit position. Similarly, when screw 13 slides to its right limit position, the limiting protrusion 141 on the right side abuts against the inner wall (i.e., the bottom of the groove) at the right end of the U-shaped short groove 11, limiting the right limit position.

[0060] The precise mechanical limitation of the sliding stroke of the slider assembly 12 is achieved through the abutment engagement between the limiting protrusion 141 and the inner wall of the U-shaped groove, eliminating the need for the operator to rely on tactile feedback to determine whether the slider assembly 12 has reached its limit position. Simultaneously, in the on state, the limiting protrusion 141 abuts against the bottom of the short U-shaped groove 11, preventing the slider assembly 12 from sliding further to the right and deviating from its limit position due to vibration or other reasons. In the off state, the limiting protrusion 141 abuts against the bottom of the long U-shaped groove 10, preventing the slider assembly 12 from sliding further to the left due to vibration or other reasons. The sliding engagement between the limiting protrusion 141 and the U-shaped groove also has a guiding function, ensuring that the slider assembly 12 slides strictly in a straight line in the left-right direction, without any forward or backward deviation or rotation, thus guaranteeing the accuracy of the contact position between the conductive bridging slider 16 and the conductive sheet.

[0061] Preferably, the sliding contact surface of the limiting protrusion 141 (i.e. the surface in contact with the side wall of the U-shaped groove) is smoothed or has a friction-reducing structure (such as micro protrusions or lubrication grooves) to reduce sliding friction and improve ease of operation and feel.

[0062] In Example 6, as a further preferred embodiment of Example 1, a first positioning rib 24 and a second positioning rib 25 are respectively provided inside the insulating shell 1. Both the first positioning rib 24 and the second positioning rib 25 are horizontal plate-like structures, integrally injection molded with the insulating shell 1. The first positioning rib 24 is located directly below the first conductive sheet 8, and the second positioning rib 25 is located directly below the second conductive sheet 9. The upper surface of the positioning rib is flat, used to support the corresponding conductive sheet from below. The top surface of the first positioning rib 24 is in close contact with the lower surface of the first conductive sheet 8 or has a small gap. When the first conductive sheet 8 is subjected to downward pressure, the first positioning rib 24 provides a supporting reaction force from below, preventing the first conductive sheet 8 from bending downward. Similarly, the second positioning rib 25 provides support for the second conductive sheet 9. This support structure can effectively prevent the conductive sheet from undergoing plastic deformation due to the elastic reaction force of the tension spring, thermal stress, or mechanical impact during long-term use, ensuring that the lower surface of the conductive sheet is always in the horizontal position required by the design, thereby guaranteeing the contact fit accuracy and contact pressure between the conductive sheet and the conductive bridging slider 16.

[0063] The first positioning rib 24 and the second positioning rib 25 are respectively provided with a first positioning through hole 26 and a second positioning through hole 27. Both positioning through holes are circular or rectangular through holes that penetrate the positioning rib in the vertical direction. A first positioning boss 28 is integrally formed by stretching downwards from the middle of the first conductive sheet 8. The first positioning boss 28 is a protruding structure extending downwards from the lower surface of the first conductive sheet 8, and it is integrally formed with the first conductive sheet 8 through a stamping and stretching process. The outer contour shape and size of the first positioning boss 28 are adapted to the inner contour of the first positioning through hole 26, and the first positioning boss 28 is inserted into the first positioning through hole 26 to form a plug-in fit. Similarly, a second positioning boss 29 is integrally formed by stretching downwards from the middle of the second conductive sheet 9, and the second positioning boss 29 is plug-in fitted with the second positioning through hole 27.

[0064] The insertion and engagement of the first positioning boss 28 with the first positioning through hole 26 and the second positioning boss 29 with the second positioning through hole 27 effectively restricts the displacement of the first conductive piece 8 and the second conductive piece 9 in the horizontal direction (including the front-back and left-right directions). Therefore, even when subjected to vibration, impact, or lateral thrust from a tension spring, the conductive pieces maintain a stable installation position and will not detach from the insulating housing 1.

[0065] In Example 7, as a further preferred embodiment of Example 6, both the sidewalls of the first positioning through-hole 26 and the second positioning through-hole 27 are provided with chamfered edges. The chamfered edges are located at the upper opening of the positioning through-holes, forming a tapered guide surface that is wider at the top and narrower at the bottom. During the assembly of the conductive sheet, the positioning boss can easily slide into the positioning through-hole under the guidance of the chamfered edges, eliminating the need for precise alignment, greatly improving assembly efficiency and accuracy, and preventing scratches on the conductive sheet surface during assembly.

[0066] In embodiment eight, as a further preferred embodiment six, a first test socket 34 and a second test socket 35 are respectively provided on the upper surface of the insulating housing 1. The first test socket 34 is located directly above the first positioning boss 28 and is a through hole extending downward from the upper surface of the insulating housing 1. The second test socket 35 is located directly above the second positioning boss 29 and is also a through hole extending downward from the upper surface of the insulating housing 1. The diameter of the test socket is adapted to the outer diameter of the standard test plug, and is usually slightly larger than the diameter of the test plug to facilitate the insertion and removal of the plug.

[0067] Both the first positioning boss 28 and the second positioning boss 29 have a through-hole, which is circular and has an inner diameter that is approximately the same as the inner diameter of the test socket. The first test socket and the inner hole of the first positioning boss 28 are vertically connected, and the second test socket and the inner hole of the second positioning boss 29 are also vertically connected. When the test plug is inserted into the first test socket, it passes through both the first test socket and the inner hole of the first positioning boss 28, and its end contacts the upper surface of the first conductive piece 8, thus establishing an electrical connection between the testing instrument and the first conductive piece 8. Similarly, when the test plug is inserted into the second test socket, it contacts the second conductive piece 9, establishing an electrical connection between the testing instrument and the second conductive piece 9.

[0068] During circuit testing, testers do not need to disassemble the wires. They simply insert the test plug (or multimeter probes) into the test socket on the top of the insulating housing 1 to establish an electrical connection with the circuit under test and measure parameters such as voltage, current, and resistance. This online testing method has the following significant advantages: First, the testing operation is convenient, requiring no wire disassembly, stripping, or other auxiliary tools; the insertion and removal of the test plug can be completed with one hand. Second, the testing is highly safe. The test socket is located on the upper surface of the insulating housing 1, isolated from live parts by the insulating housing. After the test plug is inserted, it only contacts the conductive plate and will not touch other live parts, eliminating the risk of short circuits or electric shock. Third, the testing efficiency is high, especially suitable for debugging and maintenance scenarios requiring frequent testing, significantly saving operation time.

[0069] Preferably, the upper openings of the first and second test sockets are provided with dust plugs or elastic sealing rings to maintain the seal of the test sockets when the test plug is not inserted, preventing dust and moisture from entering the insulating housing. More preferably, corresponding identification symbols are provided on the sides of the openings of the first and second test sockets for easy identification by testers.

[0070] In Embodiment Nine, as a further preferred embodiment of Embodiment One, the left end of the first conductive sheet 8 is integrally bent upward to form a first contact sheet 30. The first contact sheet 30 is a vertical sheet-like structure formed by bending the left end of the first conductive sheet 8 at a 90° angle, and it is located within the first spring mounting cavity 4. The side surface of the first contact sheet 30 (i.e., the side facing the first tension spring 6) is flat, used to form electrical contact with the first tension spring 6 and the wire end. A hook 32 is provided on the upper side surface of the first contact sheet 30 (i.e., the top edge of the first contact sheet 30). The hook 32 is a hook-shaped structure protruding outward from the upper side surface of the first contact sheet 30.

[0071] The right end of the second conductive sheet 9 is integrally bent upward to form the second contact sheet 31. The second contact sheet 31 is a vertical sheet-like structure formed by bending the right end of the second conductive sheet 9 at a 90° angle, and it is located inside the second spring mounting cavity 5. The upper side of the second contact sheet 31 is also provided with a hook 32.

[0072] The first conductive sheet 8 and the second conductive sheet 9 are respectively engaged and fixed to the insulating housing 1 by hooks 32. Specifically, corresponding slots or holes adapted to hooks 32 are provided at corresponding positions on the insulating housing 1. When installing the conductive sheet, it is pressed vertically into the corresponding mounting slot of the insulating housing 1 from above. The guide surface of the hook 32 undergoes elastic deformation when it contacts the corresponding structure of the insulating housing 1. After the conductive sheet is pressed into place, the locking surface of the hook 32 engages with the edge of the slot of the insulating housing 1, achieving one-way locking. Once the hook 32 is engaged, the conductive sheet is firmly fixed in the insulating housing 1 and cannot be pulled out without special tools, and will not easily fall off.

[0073] The bending structure of the first contact piece 30 and the second contact piece 31 also increases the contact area between the conductive sheet and the tension spring. Compared with planar contact, the contact piece formed by bending has higher structural rigidity and is not easily deformed under the repeated elastic action of the tension spring, thus ensuring long-term stable contact performance.

[0074] Preferably, the middle region of the first conductive sheet 8 and the second conductive sheet 9 is further provided with a reinforcing rib structure (such as longitudinal indentations or protrusions) to improve the bending stiffness of the conductive sheet itself and further reduce the possibility of deformation.

[0075] Example 10, as a further preferred embodiment of Example 1, provides a plurality of marking strip slots 33 on the outer surface of the insulating housing 1. The marking strip slots 33 are elongated groove structures formed by recesses from the side or top surface of the insulating housing 1, with a rectangular or trapezoidal cross-sectional shape. In this embodiment, the marking strip slots 33 are located on the top surface of the insulating housing 1. The marking strip slots 33 have a certain angle. Specifically, the bottom surface of the marking strip slot 33 forms an acute angle (typically 10° to 30°) with the horizontal plane, causing the inserted marking strip to be tilted upwards. This tilting angle design facilitates clear visibility of the printed or written content on the marking strip when viewed from the front, conforming to ergonomic principles and improving the readability of the markings. The marking strips are typically long strips of paper, plastic, or label tape, on which corresponding circuit numbers, circuit names, functional descriptions, wiring points, and other information can be printed or written. After the marking strip is inserted into the marking strip slot 33, it is held in the slot by the elastic clamping force or friction of the slot's sidewall. When replacement is needed, it can be pulled out using tweezers or fingers. The use of marking strips is particularly important for wiring scenarios with multiple circuits and channels. When multiple experimental intelligent connection modules are installed side by side on a DIN rail, the marking strips clearly identify the circuit number and function of each module, greatly facilitating installation, debugging, and maintenance, and reducing the risk of misoperation.

[0076] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An experimental intelligent connection module, comprising an insulating housing (1), wherein a first wiring hole (2) and a second wiring hole (3) are provided on the upper side of the insulating housing (1), and a first spring mounting cavity (4) and a second spring mounting cavity (5) are provided on the side of the insulating housing (1), wherein a first tension spring (6) and a second tension spring (7) are respectively installed in the first spring mounting cavity (4) and the second spring mounting cavity (5), wherein the first wiring hole (2) is connected to the first spring mounting cavity (4), and the second wiring hole (3) is connected to the second spring mounting cavity (5); Its features are: The insulating shell (1) has a first conductive sheet (8) and a second conductive sheet (9) installed on the left and right sides respectively. The left end of the first conductive sheet (8) abuts against the first tension spring (6), and the right end of the first conductive sheet (8) extends to the middle of the insulating shell (1). The right end of the first conductive sheet (8) is provided with a U-shaped long slot (10). The right end of the second conductive sheet (9) abuts against the second tension spring (7). The left end of the second conductive sheet (9) extends to the middle of the insulating shell (1), and the left end of the second conductive sheet (9) is provided with a U-shaped short slot (11). The U-shaped long slot (10) and the U-shaped short slot (11) are arranged opposite to each other. A gap D is left between the right end of the first conductive sheet (8) and the left end of the second conductive sheet (9). A slider assembly (12) is movably installed in the middle of the insulating shell (1). The slider assembly (12) includes a screw (13), a pressure block (14), and a conductive bridging slider (16). The stud end of the screw (13) passes through the pressure block (14) and is threadedly connected to the conductive bridging slider (16). The pressure block (14) and the screw (13) are rotatably and axially fixedly assembled. The lengths of the pressure block (14) and the conductive bridging slider (16) are both... The distance is greater than the interval D; the screw (13) is located between the pressure block (14) and the conductive bridging slider (16) and the stud section is slidably installed between the U-shaped long slot (10) and the U-shaped short slot (11); when the screw (13) slides to the left end limit position, the conductive bridging slider (16) contacts the lower surface of the first conductive sheet (8) and disengages from the second conductive sheet (9); when the screw (13) slides to the right end limit position, the lower surface of the conductive bridging slider (16) contacts the lower surfaces of the first conductive sheet (8) and the second conductive sheet (9) simultaneously.

2. The experimental intelligent connection module according to claim 1, characterized in that: A groove cavity (17) is provided in the middle of the insulating shell (1), and the screw (13) is slidably installed in the groove cavity (17) at the stud section at the lower end of the conductive bridging slider (16). A clearance notch (171) is provided at the middle of the front side of the groove cavity (17), and the width of the clearance notch (171) is adapted to the diameter of the stud section of the screw (13).

3. The experimental intelligent connection module according to claim 1, characterized in that: The front side of the insulating housing (1) is provided with a left cover plate (18) and a right cover plate (19), which cover the outside of the first spring plate mounting cavity (4) and the second spring plate mounting cavity (5), respectively.

4. The experimental intelligent connection module according to claim 1, characterized in that: The upper surface of the insulating housing (1) is provided with a first button mounting hole (20) and a second button mounting hole (21). A first button (22) and a second button (23) are installed in the first button mounting hole (20) and the second button mounting hole (21), respectively. The lower end of the first button (22) is in contact with the first spring (6), and the lower end of the second button (23) is in contact with the second spring (7).

5. The experimental intelligent connection module according to claim 1, characterized in that: Limiting protrusions (141) are respectively provided on the left and right sides of the lower surface of the pressure block (14). The limiting protrusions (141) slide in cooperation with the U-shaped long slot (10) and the U-shaped short slot (11). When the screw (13) slides to the left limit position, the limiting protrusion (141) on the left side abuts against the inner wall of the left end of the U-shaped long slot (10). When the screw (13) slides to the right limit position, the limiting protrusion (141) on the right side abuts against the inner wall of the right end of the U-shaped short slot (11).

6. The experimental intelligent connection module according to claim 1, characterized in that: The insulating shell (1) is provided with a first positioning rib (24) and a second positioning rib (25), which are located directly below the first conductive sheet (8) and the second conductive sheet (9), respectively. The first positioning rib (24) and the second positioning rib (25) are respectively provided with a first positioning through hole (26) and a second positioning through hole (27). The first conductive sheet (8) is integrally stretched downward to form a first positioning boss (28) at the middle position. The first positioning boss (28) is inserted into the first positioning through hole (26). The second conductive sheet (9) is integrally stretched downward to form a second positioning boss (29) at the middle position. The second positioning boss (29) is inserted into the second positioning through hole (27).

7. The experimental intelligent connection module according to claim 6, characterized in that: The insulating shell (1) is provided with a first test socket (34) and a second test socket (35) on the top. The first positioning boss (28) and the second positioning boss (29) are provided with an inner hole that runs vertically through the middle. The first test socket (34) and the second test socket (35) are respectively connected vertically to the inner hole in the middle of the first positioning boss (28) and the inner hole in the middle of the second positioning boss (29).

8. The experimental intelligent connection module according to claim 6, characterized in that: The sidewalls of the first positioning through hole (26) and the second positioning through hole (27) are both provided with chamfered edges.

9. The experimental intelligent connection module according to claim 1, characterized in that: The left end of the first conductive sheet (8) is bent upward in one piece to form the first contact sheet (30), and the right end of the second conductive sheet (9) is bent upward in one piece to form the second contact sheet (31). Hooks (32) are provided on the upper side of the first contact sheet (30) and the upper side of the second contact sheet (31). The first conductive sheet (8) and the second conductive sheet (9) are respectively hooked and fixed to the insulating shell (1) by the hooks (32).

10. The experimental intelligent connection module according to claim 1, characterized in that: The outer surface of the insulating housing (1) is provided with multiple marking strip slots (33).

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