CN110137760A - Plug-in measures terminal block - Google Patents

Abstract

The invention provides a plug-in metering terminal block, which relates to the technical field of terminal blocks for power supply, including a terminal block housing, two rows of slots, a conductive plug, several wire connectors, and a transmission metering control module; two rows of slots The upper and lower sides are correspondingly arranged on the front end surface of the terminal block housing, and the two inner side walls of the slot are respectively provided with elastic conducting pieces. The pluggable metering terminal block provided by the present invention realizes quick connection and disconnection of the terminals through the detachable connection of the conductive plug and the slot provided in the terminal block housing, has an obvious disconnection point, and can ensure The safety of electricity consumption solves the problem of difficulty in traditional plugging and unplugging and low efficiency. It is suitable for secondary circuits of various metering or measurement. The use of transmission metering control module effectively realizes accurate metering of electric power and realizes The effect of intelligent metering improves the use function of the terminal block and has good practicability.

Description

Plug-in metering terminal block

technical field

The invention belongs to the technical field of terminal blocks for power supply, and more specifically relates to a plug-in metering terminal block.

Background technique

At present, in the field of power supply, the terminal block is an important electrical component with a high utilization rate. It is mainly used in the measurement of the secondary circuit, and its role is irreplaceable. The terminal block refers to an insulating part used to carry multiple or multiple sets of mutually insulated terminal assemblies and used to fix the support.

The function of the terminal block is to connect the lines of the on-screen equipment and the off-screen equipment, and play the role of signal transmission. The terminal block can make the wiring beautiful and convenient for subsequent maintenance, and can ensure the reliability of the connection when connecting between long-distance lines, and can make construction and maintenance more convenient.

The terminal block in the prior art basically adopts a symmetrical design, and the connecting piece is used to connect the upper and lower passages. It is necessary to use a screwdriver to rotate the operation to open or close the circuit, resulting in prolonged operation time and misoperation. Sliding buttons, falling connecting pieces, etc. increase the difficulty of construction and affect the efficiency of construction. In addition, in the use of the terminal block, it only has a simple connection function, and the function is relatively single, so it is difficult to adapt to the rapid development of the electrical industry.

Contents of the invention

The purpose of the present invention is to provide a plug-in metering terminal block to solve the technical problems of inconvenient operation and maintenance of the terminal block and single function in the prior art.

In order to achieve the above purpose, the technical solution adopted by the present invention is to provide a plug-in metering terminal block, including a terminal block housing, two rows of slots, a conductive plug, several wire connectors and a transmission metering control module;

The two rows of slots are respectively set up and down correspondingly on the front surface of the terminal block housing. The slots of the upper row and the slots of the lower row correspond to each other in the up and down direction. The two inner walls of the slots are respectively provided with elastic guides Pass film;

The conductive plug is mated with the two corresponding upper and lower slots and is used to conduct the elastic conducting pieces in the upper and lower two slots;

Several wire connectors are arranged on the terminal block housing and are used to connect the secondary circuit wires;

The transmission metering control module is electrically connected to several elastic conductive sheets respectively.

As a further optimization, one end of the elastic conducting sheet close to the opening of the slot is connected to the side wall of the slot, and the middle part of the elastic conducting sheet is provided with an elastic protrusion protruding toward the center of the slot, and the elastic protrusion A trapezoidal transition platform extending toward the convex side of the elastic protrusion and used for clamping with the conductive plug is provided on the top.

As a further optimization, the conductive plug includes a base body and two plug joints arranged on the base body and respectively used for plugging and mating with the two slots corresponding to the upper and lower sides, the two plug joints are electrically connected, and the two side walls of the plug joint Grooves are respectively provided on the top to engage with the trapezoidal transition table, and the minimum diameter of the plug connector at the groove is greater than the distance between the two trapezoidal transition tables in the slot in the non-plug state.

As a further optimization, the diameter of the outer end of the plug connector is gradually reduced, and the outer end surface of the plug connector is a plane.

As a further optimization, the outer end of the plug connector is further provided with a first magnet, and the inner end of the slot is provided with a second magnet for engaging with the first magnet.

As a further optimization, the wire connector includes a connecting post arranged through the side wall of the terminal block casing, a first end plate arranged at one end of the connecting post and inside the terminal block casing, and a first end plate arranged at the other end of the connecting post and located inside the terminal block On the first end plate outside the housing, the outer circumference of the connecting column is sheathed with an elastic element located between the first end plate and the inner wall of the terminal block housing.

As a further optimization, a guide sleeve for slidingly fitting with the connecting column is provided on the front side wall of the terminal block housing, and the main axis of the guide sleeve is arranged perpendicular to the front side wall of the terminal block housing.

As a further optimization, a friction layer is provided on the end surface of the second end plate adjacent to the terminal block housing;

As a further optimization, the plug-in metering terminal block also includes a display module electrically connected to the transmission metering control module, and the display module is arranged on the top of the terminal block housing.

As a further optimization, the transmission measurement control module includes a measurement module connected to the elastic conductive sheet, a data transmission module electrically connected to the measurement module, and a measurement control module electrically connected to the data transmission module, and an alarm module is also provided on the measurement control module , the alarm module is electrically connected with the display module.

As a further optimization, an electronic control device includes a case, electrical components arranged in the case, and a plug-in metering terminal block.

The beneficial effect of the pluggable metering terminal block provided by the present invention is that the pluggable metering terminal block provided by the present invention realizes the detachable connection of the conductive plug and the slot provided in the terminal block housing. Fast connection and disconnection, with an obvious disconnection point, can ensure the safety of electricity consumption, solve the traditional problem of difficulty in plugging and unplugging, and low efficiency. It is suitable for secondary circuits of various metering or measurement, transmission metering control The use of the module effectively realizes the accurate measurement of electric power, realizes the effect of intelligent measurement, improves the use function of the terminal block, and has good practicability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of the use state of the plug-in metering terminal block provided by the embodiment of the present invention;

Fig. 2 is the partial sectional structure schematic diagram of A-A in Fig. 1;

Fig. 3 is a schematic diagram of the structure of the plug-in metering terminal block in Fig. 1 when no conductive plug is installed;

Fig. 4 is the schematic diagram of partial enlarged structure of I in Fig. 2;

Fig. 5 is a partial enlarged structural schematic diagram of II in Fig. 2;

Fig. 6 is a schematic cross-sectional structural view of the slot in Fig. 5;

Fig. 7 is a schematic cross-sectional structure diagram of B-B in Fig. 6;

Fig. 8 is a schematic diagram of modules of a pluggable metering terminal block provided by an embodiment of the present invention.

In the figure: 100, terminal block housing; 200, slot; 210, elastic conducting piece; 220, elastic protrusion; 230, trapezoidal transition table; 240, second magnet; 300, wire connector; 310, connecting column ; 320, first end plate; 330, second end plate; 340, elastic element; 350, guide sleeve; 400, conductive plug; 410, seat body; 420, plug connector; 430, first magnet; 500, transmission measurement Control module; 510, measurement module; 520, data transmission module; 530, measurement control module; 600, display module.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to FIG. 1 to FIG. 8 together, and now the plug-in metering terminal block provided by the present invention will be described. A pluggable metering terminal block, including a terminal block housing 100, two rows of slots 200, a conductive plug 400, several wire connectors 300 and several wire connectors 300;

Two rows of slots 200 are respectively arranged on the front end surface of the terminal block housing 100 correspondingly up and down. Respectively provided with elastic conduction pieces 210; the slots 200 in the upper row and the slots 200 in the lower row adopt a corresponding setting form up and down, which is convenient for subsequent design and processing of the conductive plug 400, and can effectively reduce the occupied area of the conductive plug 400 , not only saves space, but also helps to reduce costs and achieve good economic effects.

The conductive plug 400 is mated with the upper and lower corresponding two slots 200 and is used to conduct the elastic conductive sheet 210 in the upper and lower slots 200; the conductive plug 400 realizes the function of the conductive sheet in the original equipment, and through the conductive The plugging and unplugging function between the plug 400 and the slot 200 realizes the effect of improving the connection efficiency and reducing the difficulty of use.

Several wire connectors 300 are arranged on the terminal block housing 100 and are used to connect the secondary circuit wires; the wire connectors 300 can conveniently and quickly realize the connection between the terminal block and the secondary circuit wires, avoiding the trouble caused by the traditional connection through bolts. A technical problem that slips and is not easy to repair.

The transmission metering control module 500 is electrically connected to several elastic conducting sheets 210 respectively. The transmission metering control module 500 is used to monitor the conduction state of the elastic conductive sheet 210, and process the collected parameters to achieve the effect of effective metering.

It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or indirectly on the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "several" means two or more, unless otherwise specifically defined.

The terminal block housing 100 is a rectangular parallelepiped member of insulating material. The front face in this embodiment refers to the side for installing the conductive plug 400 and the secondary circuit wire. The form of the rectangular parallelepiped facilitates the installation of the upper and lower rows of slots 200. , can save the occupied area of the terminal block housing 100, realize the effects of small size and convenient operation.

Compared with the prior art, the pluggable metering terminal block provided by the present invention, the pluggable metering terminal block provided by the present invention is detachable through the conductive plug 400 and the slot 200 provided in the terminal block housing 100 The connection realizes the quick connection and disconnection of the terminal, has an obvious disconnection point, can ensure the safety of electricity consumption, and solves the problems that the traditional terminal block is difficult to plug in and out during use, time-consuming, laborious, and inefficient. It is suitable for various metering or measurement secondary circuits. The use of the transmission metering control module 500 effectively realizes the accurate metering of electric power, realizes the effect of intelligent metering, improves the use function of the terminal block, and has good practicality. sex.

Please refer to FIG. 1 to FIG. 7 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the end of the elastic conductive piece 210 close to the opening of the slot 200 is connected to the side wall of the slot 200 , the middle part of the elastic conduction piece 210 is provided with an elastic protrusion 220 protruding toward the center of the slot 200, and the elastic protrusion 220 is provided with an elastic protrusion 220 extending toward the protruding side of the elastic protrusion 220 and used for connecting with the conductive plug 400 The clamped trapezoidal transition platform 230 . The slot 200 is used to realize quick installation with the conductive plug 400. On the one hand, it can be detachable during the installation process. At the same time, it should also ensure that the conductive plug 400 can form a good shape with the elastic conductive piece 210 when inserted into the slot 200. The contact fit can avoid the problem that the conductive plug 400 comes out of the socket 200 .

In this embodiment, the elastic conducting piece 210 in the slot 200 is set in the form that the middle part protrudes toward the center of the groove, and the part of the elastic conducting piece 210 close to the opening side of the slot 200 is in contact with the side wall of the slot 200 Fixed connection, the part of the elastic conductive piece 210 away from the opening side of the slot 200 is in a state of sliding fit with the side wall of the slot 200, which can realize the elastic conductive piece 210 on both sides during the insertion of the conductive plug 400. Squeeze to form an abutment effect. When the conductive plug 400 is inserted into the slot 200 , the trapezoidal transition table 230 forms a clamping effect with the side wall of the conductive plug 400 to ensure that the conductive plug 400 can be stably positioned in the slot 200 .

When the middle part of the elastic conductive piece 210 is squeezed, the free end of the elastic conductive piece 210 away from the opening side of the slot 200 will move to the side of the inner end surface of the slot 200. In order to ensure the straightness of the movement, it can be On the side wall of the slot 200, a chute that slides and cooperates with the free end of the elastic conductive piece 210 is provided to realize effective limit of the sliding of the free end of the elastic conductive piece 210, and avoid board bending of the elastic conductive piece 210 Tilting and other issues.

Please refer to Fig. 1, Fig. 2 and Fig. 5 together. As a specific embodiment of the pluggable metering terminal block provided by the present invention, the conductive plug 400 includes a seat body 410 and is arranged on the seat body 410 and is used for connecting with the seat body 410 respectively. The two slots 200 corresponding to the upper and lower sockets are mated with two plug connectors 420, and the two plug connectors 420 are electrically connected. The two side walls of the plug connector 420 are respectively provided with grooves that are engaged with the trapezoidal transition table 230. The plug connectors The minimum diameter of 420 at the groove is larger than the distance between the two trapezoidal transition platforms 230 in the slot 200 in the non-mating state. In the unplugged state, the distance between the two elastic conductive pieces 210 is smaller than the outer diameter of the plug connector 420. When the plug connector 420 is inserted, it pushes the two elastic conductive pieces 210 on both sides, and the two have a resistance. Indirect action to achieve full contact between the two.

In this embodiment, the seat body 410 is an insulating member, and the plug connector 420 is a conductive member. The seat body 410 of the conductive plug 400 is convenient for the operator to carry out hand-holding and plugging operations. The seat body 410 is provided with two plug joints 420, and the two plug joints 420 are respectively used for plugging and matching with the upper and lower slots 200 to realize conduction. pass effect. The cross-section of the groove on the plug joint 420 is consistent with the cross-section of the trapezoidal transition platform 230. When the plug joint 420 is inserted to a certain depth, the trapezoidal transition platform 230 is stuck in the groove to realize the connection between the elastic conductive piece 210 and the plug joint 420. Conduction, through the conduction effect of the two plug connectors 420 electrically connected on the seat body 410, the effect of mutual conduction between the upper slot 200 and the lower slot 200 is realized, eliminating the cumbersome process of connecting through conductive sheets .

Please refer to Fig. 1, Fig. 2 and Fig. 5 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the diameter of the outer end of the plug connector 420 gradually becomes smaller, and the outer end surface of the plug connector 420 is flat. In order to facilitate the smooth insertion of the plug joint 420 into the slot 200, the end of the plug joint 420 is set to a form with a smaller diameter, and forms a smooth arc-shaped plane extending to the groove. At the initial stage of insertion, the plug joint 420 The diameter of the end part is small, so the extrusion effect on the elastic conductive piece 210 is not obvious. As the insertion depth increases, the extrusion effect on the elastic conductive piece 210 becomes larger and larger. Knowing that the trapezoidal transition table 230 and the concave When the slots are in contact to form a snap connection, the plug connector 420 completely enters into the slot 200 to realize conduction between the upper and lower slots 200 .

Please refer to FIGS. 5 to 7 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the outer end of the plug connector 420 is also provided with a first magnet 430, and the inner end surface of the slot 200 is A second magnet 240 for attracting and engaging with the first magnet 430 is provided. In order to further ensure the positional stability of the plug connector 420 in the slot 200, a second magnet 240 is set on the inner end face of the slot 200, and a first magnet 430 is set at the outer end of the plug connector 420, and the first magnet 430 The attraction and interaction with the second magnet 240 realizes the effect that the plug connector 420 is stably located in the slot 200, ensures the stability of the electrical connection, and avoids the problem of electrical power failure.

Please refer to FIG. 1, FIG. 2 and FIG. 4 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the wire connector 300 includes a connecting post 310 set through the side wall of the terminal block housing 100 , the first end plate 320 arranged at one end of the connecting post 310 and located inside the terminal block housing 100 and the first end plate 320 provided at the other end of the connecting post 310 and located outside the terminal block housing 100 , the outer peripheral sleeve of the connecting post 310 An elastic element 340 is provided between the first end plate 320 and the inner wall of the terminal block housing 100 . The wire connector 300 can realize the convenient connection of the secondary circuit wires. The traditional way of connecting by bolts is prone to the problem of loose connection due to the slipping of the bolts, and the screwing of the bolts generally has the problem of cumbersome operation procedures.

In this embodiment, the connecting column 310 that is set to be slidably connected to the terminal block housing 100 can be pulled out conveniently, and the secondary circuit wire is wound around the outer periphery of the connecting column 310, and the second end plate 330 is released, and the connecting column 310 is Under the action of the elastic element 340 , it moves to the inside of the terminal block housing 100 to realize the compression of the second end plate 330 on the secondary circuit wires and realize the effective connection of the secondary circuit wires. The connecting column 310 is electrically connected to the electrical components in the terminal block housing 100 to realize electrical conduction between the electrical components and the secondary circuit wires.

Please refer to Fig. 1, Fig. 2 and Fig. 4 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the front side wall of the terminal block housing 100 is also provided with a connecting column 310 for sliding. The matching guide sleeve 350 , the main axis of the guide sleeve 350 is arranged perpendicular to the front side wall of the terminal block housing 100 . In order to ensure the straightness of the sliding between the wire connector 300 and the terminal block housing 100 and avoid the problem of axial inclination of the connecting column 310, a guide sleeve 350 sleeved on the outer periphery of the connecting column 310 is provided on the terminal block housing 100. The guide sleeve 350 can play a good guiding role for the connecting column 310. Only when the connecting column 310 moves along its axial direction can it ensure that the second end plate 330 can squeeze the secondary circuit wire well under the action of the elastic element 340 role, thereby ensuring the reliability of the secondary circuit wire connection.

As a specific implementation of the plug-in metering terminal block provided by the present invention, a friction layer is provided on the end surface of the second end plate 330 adjacent to the terminal block housing 100. In this embodiment, in order to avoid the second end plate The sliding between the end face of 330 and the secondary circuit wire causes the problem that the compression is not firm. It is also possible to set friction texture on the contact end surface of the second end plate 330 and the secondary circuit wire to realize the contact of the rough surface and ensure the smoothness of the secondary circuit. The reliability of the wire connection.

Please refer to Fig. 2 and Fig. 8 together. As a specific embodiment of the plug-in metering terminal block provided by the present invention, the plug-in metering terminal block also includes a display module 600 electrically connected to the transmission metering control module 500, displaying The module 600 is disposed on the top of the terminal block housing 100 . In order to facilitate real-time monitoring and observation of various parameters in the terminal, a display module 600 electrically connected to the transmission metering control module 500 is provided on the top of the terminal block housing 100 for displaying each parameter in the transmission metering control module 500. Item parameters are displayed in real time.

Please refer to FIG. 8 , as a specific implementation of the plug-in metering terminal block provided by the present invention, the transmission metering control module 500 includes a measurement module 510 connected to the elastic conductive sheet 210 , a data transmission module electrically connected to the measurement module 510 The module 520 and the metering control module 530 electrically connected to the data transmission module 520 , the metering control module 530 is also provided with an alarm module, and the alarm module is electrically connected to the display module 600 . The measurement module 510 obtains dynamic or static electrical parameters from the elastic conductive sheet 210 in the slot 200, and then transmits the part of the parameters to the metering control module 530 through the data transmission module 520, and the metering control module 530 proceeds after receiving the data information. The data is processed and displayed through the display module 600, which is convenient for the intuitive observation of the operator.

Please refer to Figures 1 to 8 together. As a specific implementation of the plug-in metering terminal block provided by the present invention, an electronic control device includes a chassis, electrical components arranged in the chassis, and plug-in metering terminals Row. The electronic control equipment in this embodiment uses a plug-in metering terminal block to achieve a good metering function.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention. Inside.

Claims (11)

1. The plug-in metering terminal block is characterized in that it includes: Terminal block housing (100); A plurality of slots (200) are arranged on the front end surface of the terminal block housing (100) in two rows, the upper row of the slots (200) and the lower row of the slots (200). There is a one-to-one correspondence in the up and down direction, and the two inner walls of the slot (200) are respectively provided with elastic conducting pieces (210); The conductive plug (400) is used to plug and cooperate with the two corresponding slots (200) up and down and is used to conduct the elastic conductive piece ( 210); Several wire connectors (300), arranged on the terminal block housing (100) and used to connect secondary circuit wires; The transmission metering control module (500) is electrically connected to several elastic conducting plates (210) respectively. 2. The pluggable metering terminal block according to claim 1, characterized in that, the end of the elastic conducting piece (210) close to the opening of the slot (200) is connected to the end of the slot (200) The side walls are connected, and the middle part of the elastic conducting piece (210) is provided with an elastic protrusion (220) protruding toward the center of the slot (200), and the elastic protrusion (220) is provided with There is a trapezoidal transition platform (230) extending toward the protruding side of the elastic protrusion (220) and used for clamping with the conductive plug (400). 3. The pluggable metering terminal block according to claim 2, characterized in that, the conductive plug (400) comprises a seat body (410) and is arranged on the seat body (410) and is used for connecting with the upper and lower sides respectively. The corresponding two sockets (200) are mated with two plug connectors (420), the two plug connectors (420) are electrically connected, and the two side walls of the plug connectors (420) are respectively provided with The groove that snaps into the trapezoidal transition platform (230), the minimum diameter of the plug connector (420) at the groove is larger than the two trapezoidal diameters in the slot (200) in the non-mating state Spacing between transition tables (230). 4. The plug-in metering terminal block according to claim 3, characterized in that, the diameter of the outer end of the plug connector (420) gradually becomes smaller, and the outer end surface of the plug connector (420) is a plane. 5. The plug-in metering terminal block according to claim 3, characterized in that, the outer end of the plug joint (420) is also provided with a first magnet (430), and the inner part of the slot (200) A second magnet (240) for attracting and engaging with the first magnet (430) is arranged on the end surface. 6. The plug-in metering terminal block according to claim 1, characterized in that, the wire connector (300) comprises a connecting post (310) disposed through the side wall of the terminal block housing (100), a first end plate (320) disposed at one end of the connecting column (310) and inside the terminal block housing (100), and a first end plate (320) disposed at the other end of the connecting column (310) and located in the terminal block housing (100) the outer second end plate (330), the outer circumference of the connecting column (310) is provided with an elastic spring between the first end plate (320) and the inner wall of the terminal block housing (100). Elements (340). 7. The plug-in metering terminal block according to claim 6, characterized in that, the front side wall of the terminal block housing (100) is also provided with a guide for slidingly fitting with the connecting column (310). A sleeve (350), the main axis of the guide sleeve (350) is arranged perpendicular to the front side wall of the terminal block housing (100). 8. The pluggable metering terminal block according to claim 6, characterized in that, a friction layer is provided on the end surface of the second end plate (330) adjacent to the terminal block housing (100). 9. The pluggable metering terminal block according to claim 1, characterized in that, the pluggable metering terminal block further comprises a display module (600) electrically connected to the transmission metering control module (500), the The display module (600) is arranged on the top of the terminal block housing (100). 10. The pluggable metering terminal block according to claim 9, characterized in that, the transmission metering control module (500) comprises a measuring module (510) connected to the elastic conductive sheet (210), connected to the A data transmission module (520) electrically connected to the measurement module (510) and a measurement control module (530) electrically connected to the data transmission module (520), the measurement control module (530) is also provided with an alarm module, The alarm module is electrically connected with the display module (600). 11. An electric control device, comprising a case, electrical components arranged in the case, and the plug-in metering terminal block according to any one of claims 1-10.