Cabinet terminal strip assembly and DCS unit cabinet

Abstract

The invention relates to the technical field of terminal strips, in particular to a cabinet terminal strip assembly and a DCS unit cabinet. Comprising a terminal strip body and a plurality of connecting cavities arranged on the terminal strip body, and the interior of each connecting cavity is divided into two parts through a T-shaped partition piece; a driving fixing plate is horizontally arranged in the connecting cavity separated from the two sides, the upper side of the driving fixing plate is matched with a dust cover, and the dust cover is rotationally matched with the connecting cavity; the groove bottom of the connecting cavity is provided with a conducting strip assembly used for electrically conducting the cables on the two sides. A linkage locking assembly is arranged on the driving fixing plate, and a rotating part of the dust cover is in contact fit with the upper side of the linkage locking assembly; the lower side of the linkage locking assembly is used for pressing the connecting terminal of the cable and the conducting strip assembly; according to the invention, the technical problem of how to realize quick connection of the terminal strip and the connecting terminal of the cable is solved.

Description

Technical Field

[0001] The invention relates to the technical field of terminal blocks, and in particular to a cabinet terminal block component and a DCS unit cabinet. Background Art

[0002] Terminal blocks are electromechanical product accessories used to achieve electrical connections. Figure 1 The structure of the existing voltage terminal block is shown; the terminal block includes a body and a locking terminal, the body is provided with a wire insertion hole, after the connecting terminal of the cable is inserted into the wire insertion hole, the connecting terminal of the cable is located directly below the locking terminal; the connecting terminal of the cable is pressed by manually tightening the terminal; the connection method of the above voltage terminal block requires manual opening and tightening of each tightening terminal; Therefore, the problem existing in the prior art is: how to achieve rapid connection between the terminal block and the connecting terminals of the cable. Summary of the invention

[0003] The invention provides a cabinet terminal block component and a DCS unit cabinet, aiming to solve the problem of how to achieve rapid connection between a terminal block and a connecting terminal of a cable.

[0004] The technical solution used in the present invention is as follows: The first aspect of the present application proposes a cabinet terminal block assembly, comprising a terminal block body and a plurality of connecting cavities arranged on the terminal block body, wherein the connecting cavity is divided into two parts by a T-shaped partition; a drive fixing plate is horizontally arranged in the connecting cavity separated on both sides, and a dust cover is matched with the upper side of the drive fixing plate, and the dust cover is rotatably matched with the connecting cavity; a conductive sheet assembly for electrically conducting the cables on both sides is arranged at the bottom of the groove of the connecting cavity; a linkage locking assembly is arranged on the drive fixing plate, and the rotating part of the dust cover is in contact with the upper side of the linkage locking assembly; the lower side of the linkage locking assembly is used to compress the connecting terminal of the cable and the conductive sheet assembly; when the dust cover is opened, the extrusion part of the dust cover presses the upper side of the linkage locking assembly, and the lower side of the linkage locking assembly is separated from the conductive sheet assembly, and when the dust cover is closed, the lower side of the linkage locking assembly moves toward one side of the conductive sheet assembly for compression.

[0005] Furthermore, the linkage locking assembly includes a guide cavity fixed to the driving fixed plate, and a clamping cavity slidably fitted in the guide cavity; a guide ring is provided at the inner center of the guide cavity, and a locking driving column is slidably fitted in the guide ring; the guide cavity extends from the upper side of the locking driving column and is fixed to the pressing ring; the pressing ring is in contact and fit with the extrusion part of the dust cover; a guide ring extends from the lower side of the locking driving column and is fixed to the first spring clamp; a second spring clamp corresponding to the first spring clamp is provided at the center of the inner cavity of the clamping cavity; a clamping spring is fitted between the first spring clamp and the second spring clamp; a driving slide groove inclined to the upper right is provided on the locking driving column, and the locking driving member is slidably fitted in the driving slide groove; a through transverse slide groove is provided on the guide ring, and the locking driving member is slidably fitted in the transverse slide groove; the inner cavity of the clamping cavity is provided with an inclined slide corresponding to the locking driving member, and both sides of the locking driving member are in contact and fit with the inclined slide.

[0006] Furthermore, main air flow channels are provided on both sides of the terminal block body, and the main air flow channels run through the terminal block body and the T-shaped partition; branch air flow channels connected to the main air flow channels are provided on both sides of the T-shaped partition, and the branch air flow channels run through the vertical sides of the T-shaped partition and extend to the interior of the drive fixing plate; the branch air flow channel inside the drive fixing plate is connected to the branch air flow channel, wherein the branch air flow channel extends downward out of the drive fixing plate, and is used to blow air to the lower side of the drive fixing plate and the space where the conductive sheet assembly is located.

[0007] Furthermore, the branch air flow channel extends upward out of the driving fixing plate, and an L-shaped cross-section wind curtain channel is opened inside the dust cover, one side of the wind curtain channel is connected to the lower end of the horizontal side of the dust cover, and the other side of the wind curtain channel is connected to the wire accommodating groove; the branch air flow channel is connected to the wind curtain channel through a connecting hose; air is blown to the wind curtain channel inside the dust cover through the upper branch air flow channel to form a wind curtain isolation at the wire accommodating groove; the lower branch air flow channel blows air to the lower side of the driving fixing plate, and then continues to blow air to the outside of the wind curtain, so that the enclosed space forms a positive pressure environment relative to the environment outside the wind curtain.

[0008] Furthermore, an internal thread structure is provided on the main air flow channels on both sides of the terminal block body, and a blocking plug is provided on the internal thread structure. The blocking plug is used to block both ends of the main air flow channel.

[0009] Furthermore, the blocking plug includes a reversing cavity and a reversing drive plate embedded in both sides of the terminal block body, and the two sides of the reversing cavity have external threaded connection ports; the external threaded connection ports of the reversing cavity are used to cooperate with the internal threaded structures on both sides of the terminal block body; a porous plate is provided inside the reversing cavity, the outer edge of the porous plate has a hole-like structure, and a rubber pad is provided on the porous plate; a reversing driven plate is slidably fitted inside the reversing cavity, and a channel is provided in the middle of the reversing driven plate; the reversing drive plate is used to adsorb the reversing driven plate to achieve reversing.

[0010] Furthermore, the conductive sheet assembly is composed of two layers of copper sheets stacked one above the other, wherein the lower layer is a straight connecting conductive sheet; and the upper layer is a fixed conductive sheet for contacting and conducting with the cable terminal.

[0011] Furthermore, the connecting conductive sheet and the fixing conductive sheet are directly formed in one piece and embedded in the connecting cavity of the terminal block body.

[0012] Furthermore, the fixed conductive sheet is embedded in the connecting cavity of the terminal block body; a switch cavity is opened at the bottom of the terminal block body, and a partition is provided in the switch cavity, which divides the switch cavity into small chambers corresponding to the connecting cavity; a dividing chamber plate is horizontally arranged in the small chamber, and a clutch push rod is arranged on the dividing chamber plate, and the push head of the clutch push rod is fixed to the lower side of the insulating connecting sheet, and the connecting conductive sheet is embedded in the upper side of the insulating connecting sheet, and the connecting conductive sheet exceeds the insulating connecting sheet; a connecting groove is opened on the upper side of the switch cavity.

[0013] A second aspect of the present application provides a DCS unit cabinet, a cabinet terminal block assembly and a DCS unit cabinet body according to any of the above embodiments, wherein the cabinet terminal block assembly is installed inside the DCS unit cabinet body.

[0014] The beneficial effects achieved by the present invention are as follows: when wiring, the dust cover is lifted upward by holding the flip plate, the extrusion portion of the dust cover rotates 90 degrees, and the lower surface of the extrusion portion presses the linkage locking assembly, forcing the lower side of the linkage locking assembly to separate from the conductive sheet assembly, and the connecting terminal of the cable can be inserted into the accommodating area of ​​the connecting cavity; when the dust cover is buckled downward, the pressure of the extrusion portion on the linkage locking assembly is released, and the lower side of the linkage locking assembly moves toward the side of the conductive sheet assembly to press the cable terminal, and at the same time, the cables on both sides are electrically conductive through the conductive sheet assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the existing voltage terminal block structure of the present invention.

[0016] Figure 2 It is a schematic diagram of the structure of the cabinet terminal block assembly of the present invention.

[0017] Figure 3 It is a schematic diagram of the internal structure of the connecting cavity of the present invention.

[0018] Figure 4 It is a schematic diagram of the structure of the dust cover of the present invention.

[0019] Figure 5 It is a schematic structural diagram of the linkage locking assembly of the present invention.

[0020] Figure 6 It is a schematic diagram of the cross-sectional structure of the linkage locking assembly of the present invention.

[0021] Figure 7 It is a schematic diagram of retracting the linkage locking assembly of the present invention.

[0022] Figure 8 It is a schematic diagram of the main airflow channel structure of the present invention.

[0023] Fig. 9 It is a schematic diagram of the branch airflow channel structure of the present invention.

[0024] Fig.10 It is a schematic diagram of the air curtain channel structure of the present invention.

[0025] Fig.11 It is a schematic structural diagram of the first embodiment of the barrier plug of the present invention.

[0026] Fig.12 The structure of the second embodiment of the barrier plug of the present invention is schematically shown in FIG. Figure 1 .

[0027] Fig.13 The structure of the second embodiment of the barrier plug of the present invention is schematically shown in FIG. Figure 2 .

[0028] Fig.14 The internal structure section of the switch cavity of the present invention is Figure 1 .

[0029] Fig.15 The internal structure section of the switch cavity of the present invention is Figure 2 .

[0030] Fig.16 It is a stereoscopic diagram of the internal structure of the switch cavity of the present invention.

[0031] Fig.17 It is a schematic diagram of the DCS unit cabinet structure of the present invention.

[0032] In the figure, 1, terminal block body; 2, connection cavity; 3, T-shaped baffle; 4, drive fixing plate; 5, dust cover; 6, dustproof rubber; 7, extrusion part; 8, wire trough; 9, flip plate; 10, magnet; 11, suction piece; 12, guide cavity; 13, pressing cavity; 14, guide ring; 15, locking drive column; 16, pressing ring; 17, first spring clamp; 18, second spring clamp; 19, pressing spring; 20, anti-slip column; 21, drive slide; 22, locking drive member; 23, traverse slide; 24, inclined slide; 25, main air flow channel; 26, sub-air flow channel; 2 7. Branch air flow channel; 28. Air curtain channel; 29. ​​Connecting hose; 30. Blocking plug; 31. Reversing cavity; 32. Reversing drive plate; 33. Perforated plate; 34. Reversing driven plate; 35. Rubber ring; 36. Rubber pad; 37. Connecting conductive plate; 38. Fixed conductive plate; 39. Switch cavity; 40. Partition; 41. Dividing cavity plate; 42. Clutch push rod; 43. Insulating connecting plate; 44. Connecting groove; 45. Arc extinguishing guide shaft; 46. Arc extinguishing plate; 47. Arc striking column; 48. Rope channel; 49. Arc striking drive spring; 50. Connecting rope; 51. DCS unit cabinet body. DETAILED DESCRIPTION

[0033] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements; for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood through specific circumstances.

[0035] like Figure 2-3As shown, the present invention provides a cabinet terminal block assembly, including a terminal block body 1 made of a long strip of insulating material, a plurality of connecting cavities 2 with rectangular cross-sections are opened on its surface along the length direction (it can be multiple, and six are taken as an example in this application); a T-shaped baffle 3 is vertically fixed to the middle of each connecting cavity 2, and the width of the top horizontal plate of the T-shaped baffle 3 is greater than the bottom vertical plate, which divides the connecting cavity 2 into left-right symmetrical separation areas; drive fixing plates 4 are horizontally installed in the separation areas on both sides of the connecting cavity 2, and the drive fixing plates 4 are non-metallic structures of polyvinyl chloride, and their two ends are embedded in the card grooves of the inner wall of the connecting cavity 2 for fixation; a dust cover 5 is matched with the upper side of the drive fixing plate 4, and the dust cover 5 is in the shape of an L-shaped plate, one end of which is rotatably connected to the connecting cavity 2 through a pin shaft, and the other end of the dust cover 5 extends to the bottom of the connecting cavity 2; a dustproof rubber 6 is bonded to the side of the T-shaped baffle 3 at the rotational matching position of the dust cover 5; as shown Figure 4 As shown, a cam-shaped extrusion portion 7 is provided on one side of the dust cover 5 that is rotatably connected to the connection cavity 2, a semicircular wire accommodating groove 8 is provided on the other end of the dust cover 5, and a flip plate 9 is provided on the lower outer edge of the dust cover 5. The flip plate 9 extends beyond the side of the terminal block body 1, so that the dust cover 5 can be flipped up by hand; Figure 3-4 As shown, a magnet 10 is provided on the side of the driving fixing plate 4, and a suction piece 11 corresponding to the magnet 10 is provided on the inner side of the dust cover 5. When the dust cover 5 is closed, the magnet 10 attracts the suction piece 11, and the dust cover 5 covers the connecting cavity 2 for dust prevention, and is used for wiring operation when opened; a conductive sheet assembly is embedded in the bottom of the connecting cavity 2, and the conductive sheet assembly is used to electrically conduct the cables on both sides; a linkage locking assembly is penetrated through the middle of the driving fixing plate 4; the extrusion portion 7 of the dust cover 5 is in contact with and cooperates with the upper side of the linkage locking assembly; the lower side of the linkage locking assembly is used to compress the connecting terminal of the cable and the conductive sheet assembly.

[0036] When wiring, hold the flip plate 9 to lift up the dust cover 5, and the extrusion part 7 of the dust cover 5 rotates 90 degrees. The lower surface of the extrusion part 7 presses the linkage locking assembly, forcing the lower side of the linkage locking assembly to separate from the conductive sheet assembly. At this time, the connecting terminal of the cable can be inserted into the accommodating area of ​​the connecting cavity 2; when the dust cover 5 is buckled down, the pressure of the extrusion part 7 on the linkage locking assembly is released, and the lower side of the linkage locking assembly moves toward the side of the conductive sheet assembly to tighten the cable terminal. At the same time, the cables on both sides are electrically conductive through the conductive sheet assembly.

[0037] like Figure 5-6As shown, the linkage locking assembly includes a guide cavity 12 fixed to the driving fixing plate 4, and a pressing cavity 13 slidably matched in the guide cavity 12, and the pressing cavity 13 is used to compress the connecting terminal of the cable; a guide ring 14 is provided at the inner center of the guide cavity 12, and a locking driving column 15 is slidably matched in the guide ring 14; the upper side of the locking driving column 15 extends out of the guide cavity 12 and is fixed to a pressing ring 16 with a semi-circular cross-section; the pressing ring 16 contacts and cooperates with the extrusion portion 7 of the dust cover 5; the lower side of the locking driving column 15 extends out of the guide cavity 12 The guide ring 14 is fixed to the first spring clamp 17, and the outer diameter of the first spring clamp 17 is larger than the inner diameter of the guide ring 14; the center of the inner cavity of the clamping cavity 13 is provided with a second spring clamp 18 corresponding to the first spring clamp 17; a clamping spring 19 is matched between the first spring clamp 17 and the second spring clamp 18; the outer center of the clamping cavity 13 is provided with an anti-slip column 20, and the connecting terminal of the cable can be clamped on the anti-slip column 20, and the conductive sheet assembly has a corresponding accommodating groove (that is, the connecting terminal of the cable can be clamped in the anti-slip column 20) 0, the upper side of the anti-slip column 20 presses the upper surface of the connecting terminal, the lower surface of the connecting terminal contacts the conductive sheet assembly, and the anti-slip column 20 extends into the accommodating slot without interference); a driving slot 21 inclined to the upper right is provided on the locking drive column 15, and the locking drive member 22 slides in the driving slot 21; the locking drive member 22 includes a left driving block, a right driving block, and an intermediate slide bar connecting the left driving block and the right driving block together, and the intermediate slide bar slides in cooperation with the driving slot 21 (that is, the locking drive member 22 can be locked by The left and right drive blocks slide along the driving slide groove 21 through the middle slide bar), the side parts of the left and right drive blocks are both inclined to the lower right side, and the upper and lower sides of the left and right drive blocks are both straight structures; at the same time, a traverse slide groove 23 is opened on the guide ring 14, and the traverse slide groove 23 runs through the left and right sides, and the left and right drive blocks slide and cooperate in the traverse slide groove 23; the inner cavity of the pressing cavity 13 is provided with an inclined slide plate 24 corresponding to the left and right drive blocks, and the inclined slide plates 24 on both sides are in contact with the side parts of the left and right drive blocks respectively; Figure 7 As shown, when wiring is being carried out, the hand-held flip plate 9 is lifted up to open the dust cover 5, the extrusion part 7 of the dust cover 5 is rotated 90 degrees, the extrusion part 7 pushes the pressing ring 16 downward, and the pressing ring 16 presses the locking drive column 15 downward; under the guidance of the driving slide groove 21 on the locking drive column 15, the middle slide bar slides along the driving slide groove 21, and the locking drive member 22 moves to the right along the transverse slide groove 23; the left driving block and the right driving block squeeze the inclined slide plate 24, the clamping cavity 13 moves upward as a whole and separates from the conductive sheet assembly, and the clamping spring 19 is squeezed; at this time, the connecting terminal of the cable can be clamped on the anti-slip column 20 on the lower side of the clamping cavity 13; when the dust cover 5 is buckled downward, the pressure of the extrusion part 7 on the linkage locking assembly is released, and the clamping spring 19 drives the clamping cavity 13 to move downward and return to its position.

[0038] The connection cavity 2 is closed and isolated by the dust cover 5, which can isolate most of the dust; however, the end of the dust cover 5 has a wire groove 8, and some dust will still enter the connection cavity 2 and adhere to the conductive sheet assembly; in order to solve this problem, Figure 8 As shown, main airflow channels 25 are provided on both sides of the terminal block body 1, and the main airflow channels 25 penetrate the terminal block body 1 and the T-shaped baffle 3; sub-airflow channels 26 connected to the main airflow channels 25 are provided on both sides of the T-shaped baffle 3, and the sub-airflow channels 26 penetrate the vertical side of the T-shaped baffle 3 and extend to the inside of the driving fixing plate 4; Fig. 9 As shown, the branch airflow channel 26 inside the driving fixing plate 4 is connected to the branch airflow channel 27, wherein the two branch airflow channels 27 extend downward from the driving fixing plate 4, and are used to blow air to the lower side of the driving fixing plate 4 and the space where the conductive sheet assembly is located, so that the space formed by the lower side of the driving fixing plate 4 and the connecting chamber 2 generates a positive pressure state, thereby preventing dust from entering the connecting chamber 2 from the line slot 8; Figure 9-10 As shown, one of the branch air flow channels 27 extends upward out of the driving fixed plate 4, and an L-shaped cross-section wind curtain channel 28 is opened inside the dust cover 5, one side of the wind curtain channel 28 is connected to the lower end of the horizontal side of the dust cover 5, and the other side of the wind curtain channel 28 is connected to the wire accommodating groove 8; the branch air flow channel 27 is connected to the wind curtain channel 28 through a connecting hose 29; air is blown to the wind curtain channel 28 inside the dust cover 5 through the upper branch air flow channel 27, and a wind curtain isolation is formed at the wire accommodating groove 8 of the wind curtain channel 28, thereby inhibiting dust from entering the connecting cavity 2 from the wire accommodating groove 8; the wind curtain generated by the lower side of the driving fixed plate 4, the connecting cavity 2 and the wire accommodating groove 8 of the present invention jointly forms a closed space, wherein the two branch air flow channels 27 blow air to the lower side of the driving fixed plate 4, and then continue to blow air to the outside of the wind curtain, so that the environment of the closed space is a positive pressure environment relative to the outside of the wind curtain; thereby inhibiting dust from entering the wind curtain; and realizing the dual functions of wind curtain isolation and positive pressure suppression.

[0039] like Fig.11 As shown, the main air flow channels 25 on both sides of the terminal block body 1 are provided with internal thread structures, and the internal thread structures are matched with blocking plugs 30. The blocking plugs 30 are used to block both ends of the main air flow channels 25. One implementation of the blocking plugs 30 is a threaded plug, which cooperates with the internal thread structures of the main air flow channels 25 on both sides; when the device is installed in the power distribution cabinet, the blocking plug 30 on one side can be opened to connect to the air source in the power distribution cabinet, and the blocking plug 30 on the other side can also be opened to connect the main air flow channels 25 of other terminal block bodies 1 in series; as shown in FIG. Figure 12-13As shown, the second embodiment of the blocking plug 30 includes a reversing cavity 31 and a reversing drive plate 32 embedded on both sides of the terminal block body 1, the reversing cavity 31 is a cylindrical shell structure, and both sides of the reversing cavity 31 have external threaded connection ports; the external threaded connection ports of the reversing cavity 31 are used to cooperate with the internal threaded structures on both sides of the terminal block body 1; a porous plate 33 is provided inside the reversing cavity 31, the outer edge of the porous plate 33 has a hole-like structure, and a rubber pad 36 is provided on the porous plate 33, and the cross-section of the rubber pad 36 is the same as that of the porous plate 33; a reversing driven plate 34 is slidably matched inside the reversing cavity 31, and the middle of the reversing driven plate 34 has a channel; the reversing driven plate 34 can be made of metal or neodymium iron boron, and at least two rubber rings 35 are embedded in the circumferential part of the reversing driven plate 34, which can It reduces the friction between the commutation driven plate 34 and the commutation cavity 31 when it slides, and at the same time plays a buffering role; the commutation drive plate 32 is made of neodymium iron boron material, which is used to adsorb the commutation driven plate 34; when the barrier plug 30 is installed, the commutation drive plate 32 is adsorbed, which will make the commutation driven plate 34 slide along the commutation cavity 31 to the side of the commutation drive plate 32 and fit with the porous plate 33 to achieve sealing, and the rubber pad 36 can play an airtight and buffering role; when it is necessary to install and connect the two terminal block bodies 1, the barrier plug 30 is installed in reverse, and the commutation driven plate 34 fits with the commutation cavity 31 to achieve airflow conduction; the entire device realizes one-way blocking and automatically opens after flipping over and installing; and the device does not rely on pressure, does not affect the flow rate with changes in pressure, and the flow rate can always be maintained at the maximum.

[0040] The conductive sheet assembly is used to electrically connect the cables on both sides. The conductive sheet assembly is composed of two layers of copper sheets stacked up and down. The lower layer is a straight connecting conductive sheet 37; the upper layer is a fixed conductive sheet 38 for contacting and conducting with the cable terminal; one embodiment of the conductive sheet assembly is that the connecting conductive sheet 37 and the fixed conductive sheet 38 are directly integrally formed and embedded in the connection cavity 2 of the terminal block body 1; Fig.14 As shown, the second embodiment of the conductive sheet assembly is that two fixed conductive sheets 38 are embedded in the connecting cavity 2 of the terminal block body 1; a switch cavity 39 is provided at the bottom of the terminal block body 1, and a partition 40 is provided in the switch cavity 39, and the partition 40 divides the switch cavity 39 into small chambers corresponding to the connecting cavity 2; a dividing cavity plate 41 is horizontally provided in the small chamber, and a clutch push rod 42 is provided on the dividing cavity plate 41, and the push head of the clutch push rod 42 is fixed to the lower side of the insulating connecting sheet 43, and the connecting conductive sheet 37 is embedded in the upper side of the insulating connecting sheet 43, and the connecting conductive sheet 37 exceeds the insulating connecting sheet 43, so as to facilitate contact and connection with the fixed conductive sheet 38; a connecting groove 44 is provided on the upper side of the switch cavity 39; the clutch push rod 42 is extended, and the insulating connecting sheet 43 is matched in the connecting groove 44; the connecting conductive sheet 37 contacts with the fixed conductive sheets 38 on both sides, and the fixed conductive sheets 38 on both sides are electrically connected and turned on; the clutch push rod 42 is retracted, and the on and off of each connecting line can be controlled separately.

[0041] The clutch push rod 42 contracts to complete the conduction and closing of the fixed conductive sheet 38; when connected to a circuit with a higher voltage, an arc will occur when the connecting conductive sheet 37 is disconnected from the fixed conductive sheets 38 on both sides. This switch is not conducive to electrical safety; Figure 15-16 As shown, two arc-extinguishing guide shafts 45 are relatively arranged in the connecting cavity 2 on the upper side of the dividing cavity plate 41, and the spacing between the arc-extinguishing guide shafts 45 is greater than the width of the insulating connecting piece 43, that is, the insulating connecting piece 43 can pass through between the arc-extinguishing guide shafts 45; an arc-extinguishing plate 46 is slidably matched on the arc-extinguishing guide shaft 45, and arc-starting columns 47 are arranged on the arc-extinguishing plate 46 at intervals; the arc-extinguishing plate 46 is made of non-metallic material, and the arc-starting column 47 is made of metal material; the arc-starting column 47 is wide at the lower end and narrow at the upper end; the gradually shrinking setting method can increase the pressure of the arc during the transmission process, better twist and isolate the arc, thereby further improving the arc-extinguishing performance; an arc-starting drive spring 49 is passed through the arc-starting column 47, and the arc-starting drive spring 49 is used to force the two arc-starting plates to approach and contact each other; on both sides of the terminal block body 1 and the dividing cavity plate A zigzag rope channel 48 is provided on 41, one side of the rope channel 48 faces the side of the arc-striking plate, and the other side of the rope channel 48 faces the bottom of the insulating connecting piece 43; one end of the connecting rope 50 is connected to the side of the arc-striking plate, and the other end of the connecting rope 50 passes through the rope channel 48 and is connected to the bottom of the insulating connecting piece 43; the clutch push rod 42 is extended, and the insulating connecting piece 43 is matched in the connecting groove 44; the connecting conductive piece 37 contacts with the fixed conductive pieces 38 on both sides, and the fixed conductive pieces 38 on both sides are electrically connected and conducted; the arc extinguishing plates 46 are located on both sides of the arc extinguishing guide shaft 45; when a separate connecting line needs to be switched on and off; the clutch push rod 42 is retracted, the insulating connecting piece 43 moves downward, and the arc-striking driving spring 49 forces the two arc extinguishing plates 46 to approach each other.

[0042] A second aspect of the present invention provides a DCS unit cabinet, comprising a cabinet terminal block assembly according to any one of the above embodiments and a DCS unit cabinet body 51 , wherein the cabinet terminal block assembly is installed inside the DCS unit cabinet body 51 .

[0043] If the fixing method is not separately introduced above, the general technical means used by technicians in the industry are used, such as welding, nesting, or threaded fixing.

[0044] The following points need to be explained: (1) The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention, and other structures may refer to the general design.

[0045] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of the layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0046] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0047] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A cabinet terminal block assembly, characterized in that: The invention comprises a terminal block body (1) and a plurality of connection cavities (2) arranged on the terminal block body (1), wherein the connection cavity (2) is divided into two parts by a T-shaped baffle (3); a drive fixing plate (4) is horizontally arranged in the connection cavities (2) separated on both sides, and a dust cover (5) is matched on the upper side of the drive fixing plate (4), and the dust cover (5) is rotatably matched with the connection cavity (2); a conductive sheet assembly for electrically conducting cables on both sides is arranged at the bottom of the groove of the connection cavity (2); a linkage locking assembly is arranged on the drive fixing plate (4), and the rotating part of the dust cover (5) is in contact with the upper side of the linkage locking assembly; the lower side of the linkage locking assembly is used to press the connection terminal of the cable and the conductive sheet assembly; when the dust cover (5) is opened, the pressing part (7) of the dust cover (5) presses the upper side of the linkage locking assembly, and the lower side of the linkage locking assembly is separated from the conductive sheet assembly; when the dust cover (5) is closed, the lower side of the linkage locking assembly moves toward one side of the conductive sheet assembly for pressing.

2. A cabinet terminal block assembly according to claim 1, characterized in that: The linkage locking assembly comprises a guide cavity (12) fixed to a driving fixed plate (4), and a pressing cavity (13) slidably fitted in the guide cavity (12); a guide ring (14) is provided at the inner center of the guide cavity (12), and a locking driving column (15) is slidably fitted in the guide ring (14); the upper side of the locking driving column (15) extends out of the guide cavity (12) and is fixed to a pressing ring (16); the pressing ring (16) contacts and fits with an extrusion portion (7) of the dust cover (5); the lower side of the locking driving column (15) extends out of the guide ring (14) and is fixed to a first spring clamping plate (17); the inner center of the pressing cavity (13) is provided with a locking driving column (15) slidably fitted in the guide ring (14); A second spring clamp (18) corresponds to the clamp (17); a compression spring (19) is provided between the first spring clamp (17) and the second spring clamp (18); a driving slide groove (21) inclined to the upper right is provided on the locking drive column (15), and the locking drive member (22) is slidably fitted in the driving slide groove (21); a through traverse slide groove (23) is provided on the guide ring (14), and the locking drive member (22) is slidably fitted in the traverse slide groove (23); the inner cavity of the compression cavity (13) is provided with an inclined slide plate (24) corresponding to the locking drive member (22), and both sides of the locking drive member (22) are in contact with the inclined slide plate (24).

3. A cabinet terminal block assembly according to claim 1, characterized in that: The terminal block body (1) is provided with main airflow channels (25) on both sides, the main airflow channels (25) passing through the terminal block body (1) and the T-shaped baffle (3); the T-shaped baffle (3) is provided with branch airflow channels (26) connected to the main airflow channels (25) on both sides, the branch airflow channels (26) passing through the vertical side of the T-shaped baffle (3) and extending into the interior of the drive fixing plate (4); the branch airflow channels (26) inside the drive fixing plate (4) are connected to the branch airflow channels (27), wherein the branch airflow channels (27) extend downward out of the drive fixing plate (4) and are used to blow air into the space below the drive fixing plate (4) and where the conductive sheet assembly is located.

4. A cabinet terminal block assembly according to claim 3, characterized in that: The branch air flow channel (27) extends upward out of the driving fixing plate (4); an air curtain channel (28) with an L-shaped cross-section is provided inside the dust cover (5); one side of the air curtain channel (28) is connected to the lower end of the horizontal side of the dust cover (5), and the other side of the air curtain channel (28) is connected to the wire accommodating groove (8); the branch air flow channel (27) is connected to the air curtain channel (28) through a connecting hose (29); air is blown into the air curtain channel (28) inside the dust cover (5) through the upper branch air flow channel (27), so that an air curtain is isolated at the wire accommodating groove (8); the lower branch air flow channel (27) blows air toward the lower side of the driving fixing plate (4), and then continues to blow air toward the outside of the air curtain, so that the enclosed space forms a positive pressure environment relative to the environment outside the air curtain.

5. A cabinet terminal block assembly according to claim 1, characterized in that: The main airflow channels (25) on both sides of the terminal block body (1) are provided with internal thread structures, and the internal thread structures are matched with blocking plugs (30), and the blocking plugs (30) are used to block the two ends of the main airflow channels (25).

6. A cabinet terminal block assembly according to claim 5, characterized in that: The blocking plug (30) comprises a reversing cavity (31) and a reversing drive plate (32) embedded in both sides of the terminal block body (1), the reversing cavity (31) having external thread connection ports on both sides; the external thread connection ports of the reversing cavity (31) are used to cooperate with the internal thread structures on both sides of the terminal block body (1); a porous plate (33) is provided inside the reversing cavity (31), the outer edge of the porous plate (33) has a hole-shaped structure, and a rubber pad (36) is provided on the porous plate (33); a reversing driven plate (34) is slidably matched inside the reversing cavity (31), and the middle of the reversing driven plate (34) has a channel; the reversing drive plate (32) is used to adsorb the reversing driven plate (34) to achieve reversing.

7. A cabinet terminal block assembly according to claim 1, characterized in that: The conductive sheet assembly is composed of two layers of copper sheets stacked one above the other, the lower layer being a straight connecting conductive sheet (37); and the upper layer being a fixed conductive sheet (38) for contacting and conducting with a cable terminal.

8. A cabinet terminal block assembly according to claim 7, characterized in that: The connecting conductive sheet (37) and the fixing conductive sheet (38) are directly integrally formed and embedded in the connecting cavity (2) of the terminal block body (1).

9. A cabinet terminal block assembly according to claim 7, characterized in that: The fixed conductive sheet (38) is embedded in the connection cavity (2) of the terminal block body (1); a switch cavity (39) is provided at the bottom of the terminal block body (1); a partition (40) is provided in the switch cavity (39); the partition (40) divides the switch cavity (39) into small chambers corresponding to the connection cavity (2); a chamber dividing plate (41) is horizontally provided in the small chamber; a clutch push rod (42) is provided on the chamber dividing plate (41); a push head of the clutch push rod (42) is fixed to the lower side of the insulating connection sheet (43); the connecting conductive sheet (37) is embedded in the upper side of the insulating connection sheet (43); the connecting conductive sheet (37) protrudes beyond the insulating connection sheet (43); and a connecting groove (44) is provided on the upper side of the switch cavity (39).

10. A DCS unit cabinet, characterized in that: It comprises a cabinet terminal block assembly and a DCS unit cabinet body (51) as claimed in claim 1, wherein the cabinet terminal block assembly is installed inside the DCS unit cabinet body (51).

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