Four-fusion integrated terminal metering switch

Abstract

A four-fusible integrated terminal metering switch disclosed by the present invention comprises a shell (101), extension parts (102), first sliding blocks (103) and a slot (104), a metering module, a control module, an adjusting module and a monitoring module are arranged in the shell (101), the front side and the rear side of the bottom end of the shell (101) are respectively provided with a group of extension parts (102), the inner ends of the two groups of extension parts (102) are respectively provided with a group of first sliding blocks (103), and the first sliding blocks (103) are inserted into the slots (104). The inner ends of the two groups of first slide blocks (103) are respectively provided with a group of slots (104); the electronic device further comprises a base assembly and a clamping assembly, the clamping assembly is installed on the base assembly, the shell (101) is connected with the base assembly in a sliding mode under the cooperation of the extension part (102) and the first sliding block (103), and the clamping assembly and the inserting groove (104) are matched to clamp and fix the shell (101). While the stability of the equipment is ensured, the mounting and dismounting processes are greatly simplified, the working efficiency is improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power and electrical engineering, and in particular to a four-in-one terminal metering switch. Background Art

[0002] With the gradual advancement of the construction of new power systems, large-scale low-voltage distributed photovoltaic grid-connected power grids have brought greater and greater challenges to the safety of power grid operation: 1. During power maintenance, it is impossible to stop power generation in batches remotely, which brings certain safety hazards to construction personnel; 2. There is no independent island protection, and the protection depends entirely on the photovoltaic inverter. When the inverter fails, it cannot be effectively protected; 3. There is no effective power monitoring, and the power generated by the photovoltaic inverter is directly connected to the grid, lacking the means to monitor its power quality online; 4. Traditional photovoltaic switches only have undervoltage tripping function, no reverse flow protection, no prohibition of live grid connection protection and other functions, and the safety protection of photovoltaic grid-connected nodes is insufficient; 5. Traditional switches only support rigid control and do not have load flexible control, which is easy to cause customer complaints. Therefore, relying on the observable, measurable, controllable and adjustable technology of distributed energy, it is urgent to innovate and develop rigid + flexible integrated control equipment.

[0003] In the prior art, a miniature circuit breaker includes a circuit breaker body; a switch is installed at one end of the circuit breaker body; a power-assisting member is provided at one end of the switch; the power-assisting member includes a threaded hole opened at one end of the switch, a connecting column is provided in the threaded hole, a threaded groove is opened on the outer wall of the connecting column, and the connecting column is threadedly connected to the threaded hole of the switch through the threaded groove; an adjustment sleeve is fixed at one end of the connecting column, and a power-assisting rod is movably provided in the adjustment sleeve. The device can lengthen the length of the switch, and the length of the switch is adjustable, so that when using the switch, it does not require much effort, is relatively labor-saving, and is more convenient to use and has higher practicality. However, it was found during use that the above-mentioned device is fixedly connected to the mounting seat by screws, and has poor firmness, and also requires staff to rotate multiple sets of screws. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a four-in-one terminal metering switch to improve the convenience of installation and disassembly.

[0005] In order to solve the above technical problems, the present invention provides a four-in-one terminal metering switch, comprising:

[0006] A housing, inside which a metering module, a control module, a regulating module and a monitoring module are arranged;

[0007] Extension parts are arranged on both sides of the bottom end of the shell;

[0008] A first slider, disposed inside the extension portion;

[0009] A slot, disposed inside the first sliding block;

[0010] A base assembly and a clamping assembly mounted on the base assembly, wherein the clamping assembly cooperates with the slot to clamp and fix the housing;

[0011] The shell is slidably connected to the base assembly under the cooperation of the extension part and the first sliding block.

[0012] Preferably, the base assembly includes a base body, a countersunk hole, an anti-slip convex block, a first screw, an annular flat washer, a hollow positioning block, a protruding portion and a limiting plate;

[0013] A group of countersunk holes are respectively arranged at the four corners of the base body, a group of first screws are respectively passed through each group of countersunk holes, and a group of annular flat washers are respectively mounted on each group of first screws;

[0014] A hollow positioning block is provided at the top of the base body;

[0015] A group of protrusions are respectively arranged at the front and rear ends of the hollow positioning block, a limit plate is arranged at the right end of the hollow positioning block, and the clamping assembly is installed inside the hollow positioning block;

[0016] A plurality of groups of anti-skid protrusions are arranged at the bottom end of the base body.

[0017] Preferably, the card assembly comprises:

[0018] A first fixed plate, a slide groove, a polished rod, a second sliding block, a first spring, a plug rod, a plug hole, a first axle pin, a connecting rod, a second axle pin, a moving block and a pull rod assembly;

[0019] A polished rod is fixedly installed in a slide groove provided at the bottom end of the first fixed plate, and a second sliding block slidably provided in the slide groove is slidably connected to the polished rod;

[0020] An insertion rod is arranged at the outer end of the second sliding block, and insertion holes are arranged at the left and right ends of the hollow positioning block;

[0021] The front end of the first connecting rod is hinged to the rear end of the second sliding block through a first axle pin, and the rear end is hinged to the left and right ends of the moving block through a second axle pin;

[0022] A pull rod assembly is arranged at the front end of the moving block.

[0023] Preferably, the pull rod assembly includes a pull rod, a positioning frame, a second fixed plate, a rotating shaft, a second connecting rod, a threaded groove, a first baffle and a second screw. A positioning frame is provided at the bottom end of the first fixed plate, the right end of the pull rod is connected to the left end of the movable block, the pull rod is slidably connected to the positioning frame, two groups of second fixed plates are provided at the left end of the pull rod, one end of the second connecting rod is rotatably installed between the two groups of second fixed plates with the cooperation of the rotating shaft, the other end of the second connecting rod is provided with a first baffle, and a threaded groove is provided at the left end of the hollow positioning block, the first baffle is threaded with a second screw, and the second screw is threadedly connected to the threaded groove.

[0024] Preferably, the first baffle and the second connecting rod are integrally formed.

[0025] Preferably, a group of limit blocks are respectively arranged at the left and right ends of the pull rod, and a group of anti-collision pads are respectively arranged at the rear end of each group of limit blocks.

[0026] Preferably, a group of hemispherical plugs are respectively provided at the outer ends of the two groups of plug rods.

[0027] Preferably, two groups of strip-shaped grooves are provided at the front end of the hollow positioning block, a group of optical bars are fixedly provided in each group of strip-shaped grooves, each group of optical bars is slidably connected to a group of moving seats, the left ends of the two groups of moving seats are connected to the right end of the second baffle, each group of optical bars is respectively provided with a group of second springs, and each group of second springs is below the moving seat.

[0028] Preferably, a pressure plate is provided at the left end of the second baffle, and an anti-slip pad is provided at the top end of the pressure plate.

[0029] Preferably, the shell and the extension portion are integrally formed.

[0030] The implementation of the present invention has the following beneficial effects: while ensuring the stability of the equipment, the present invention greatly simplifies the installation and disassembly process, improves work efficiency, and reduces maintenance costs. The sliding connection between the shell and the base assembly and the quick clamping and fixing mechanism between the card assembly and the slot make the installation process of the entire equipment simple and quick, without the need for complicated operations or additional tools, greatly reducing the installation time. At the same time, the design of the card assembly allows the shell to be quickly disassembled when necessary, which is convenient for maintenance and upgrading. In addition, the anti-slip bump design of the base assembly enhances the stability of the equipment in the installation position, and the use of the limit plate ensures the precise positioning of the shell during the installation process, avoiding misalignment or misinstallation, and further improving the accuracy and reliability of the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a three-dimensional structural schematic diagram of a four-in-one terminal metering switch according to an embodiment of the present invention.

[0033] Figure 2 It is a schematic diagram of the explosion structure of an embodiment of the present invention.

[0034] Figure 3 It is an enlarged structural schematic diagram of the housing and the first sliding block in an embodiment of the present invention.

[0035] Figure 4 It is an enlarged structural schematic diagram of the anti-skid protrusion and the first baffle in the embodiment of the present invention.

[0036] Figure 5 It is a schematic diagram of the exploded structure of the hollow positioning block and the base body in the embodiment of the present invention.

[0037] Figure 6 It is an enlarged structural schematic diagram of the first screw and the annular flat washer in the embodiment of the present invention.

[0038] Figure 7 It is an enlarged structural schematic diagram of the pull rod and the hollow positioning block in the embodiment of the present invention.

[0039] Figure 8 It is a schematic diagram of the exploded structure of the first fixing plate and the hollow positioning block in an embodiment of the present invention.

[0040] Fig. 9 It is an enlarged structural schematic diagram of the second baffle and the hollow positioning block in the embodiment of the present invention.

[0041] Fig.10 It is an enlarged structural schematic diagram of the moving block and the pull rod in the embodiment of the present invention.

[0042] Fig.11 yes Fig.10 A partial enlarged structural diagram of the middle part;

[0043] Fig.12 It is another three-dimensional structural schematic diagram of a four-in-one terminal metering switch according to an embodiment of the present invention.

[0044] The reference numerals are: 101, housing; 102, extension; 103, first slider; 104, slot; 201, base body; 202, countersunk hole; 203, anti-skid convex block; 204, first screw; 205, annular flat washer; 206, hollow positioning block; 207, protruding portion; 208, limit plate; 301, first fixing plate; 302, slide groove; 303, light rod; 304, second slider; 305, first spring; 306, plug rod; 307, plug hole; 308, first shaft pin; 309 , first connecting rod; 310, second axle pin; 311, moving block; 312, hemispherical plug; 401, pull rod; 402, positioning frame; 403, second fixing plate; 404, rotating shaft; 405, second connecting rod; 406, threaded groove; 407, first baffle; 408, second screw; 409, limit block; 410, anti-collision pad; 501, strip groove; 502, light bar; 503, moving seat; 504, second baffle; 505, second spring; 506, pressure plate; 507, anti-slip pad. DETAILED DESCRIPTION

[0045] The following descriptions of the embodiments are with reference to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented. In the description of the present invention, it should be understood that the terms "longitudinal", "length", "circumferential", "front", "rear", "left", "right", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0046] Please also refer to Figures 1 to 12 As shown, an embodiment of the present invention provides a four-in-one terminal metering switch, including:

[0047] The housing 101 has a metering module, a control module, a regulating module and a monitoring module disposed therein;

[0048] The extension part 102 is arranged on both sides of the bottom end of the housing 101;

[0049] A first slider 103 is disposed inside the extension portion 102;

[0050] A slot 104 is provided inside the first sliding block 103;

[0051] A base assembly and a clamping assembly mounted on the base assembly, wherein the clamping assembly cooperates with the slot 104 to clamp and fix the housing 101;

[0052] The housing 101 is slidably connected to the base assembly in cooperation with the extension portion 102 and the first slider 103 .

[0053] Specifically, the base assembly includes a base body 201, a countersunk hole 202, an anti-slip protrusion 203, a first screw 204, an annular flat washer 205, a hollow positioning block 206, a protrusion 207 and a limit plate 208. A group of countersunk holes 202 are respectively arranged at the four corners of the base body 201, and a group of first screws 204 are respectively passed through each group of countersunk holes 202. A group of annular flat washers 205 are respectively mounted on each group of first screws 204. A hollow positioning block 206 is arranged at the top of the base body 201, and a group of protrusions 207 are respectively arranged at the front and rear ends of the hollow positioning block 206. A limit plate 208 is arranged at the right end of the hollow positioning block 206. A clamping assembly is installed inside the hollow positioning block 206, and multiple groups of anti-slip protrusions 203 are arranged at the bottom of the base body 201.

[0054] The clamping assembly includes a first fixed plate 301, a slide groove 302, a light rod 303, a second slider 304, a first spring 305, a plug rod 306, a socket 307, a first axle pin 308, a connecting rod 309, a second axle pin 310, a moving block 311 and a pull rod assembly. The top of the hollow positioning block 206 is provided with a first fixed plate 301, the bottom of the first fixed plate 301 is provided with a slide groove 302, the light rod 303 is fixedly installed in the slide groove 302, and two groups of second sliders 304 are slidably provided in the slide groove 302, and the two groups of second sliders 304 are slidably connected to the light rod 303. The light rod 303 is connected by two groups of first springs 305, two groups of second sliders 304 are between the two groups of first springs 305, and the outer ends of the two groups of second sliders 304 are respectively provided with a group of plug rods 306. The left and right ends of the hollow positioning block 206 are respectively provided with a group of sockets 307. The front ends of the two groups of first connecting rods 309 are respectively hinged to the rear ends of a group of second sliders 304 through a group of first axle pins 308, and the rear ends of the two groups of first connecting rods 309 are respectively hinged to the left and right ends of the moving block 311 through a group of second axle pins 310. The front end of the moving block 311 is provided with a pull rod assembly.

[0055] The pull rod assembly includes a pull rod 401, a positioning frame 402, a second fixed plate 403, a rotating shaft 404, a second connecting rod 405, a threaded groove 406, a first baffle 407 and a second screw 408. A positioning frame 402 is provided at the bottom end of the first fixed plate 301. The right end of the pull rod 401 is connected to the left end of the moving block 311. The pull rod 401 is slidably connected to the positioning frame 402. Two groups of second fixed plates 403 are provided at the left end of the pull rod 401. One end of the second connecting rod 405 is rotatably installed between the two groups of second fixed plates 403 with the cooperation of the rotating shaft 404. The other end of the second connecting rod 405 is provided with a first baffle 407. A threaded groove 406 is provided at the left end of the hollow positioning block 206. A second screw 408 is screwed on the first baffle 407, and the second screw 408 is threadedly connected to the threaded groove 406.

[0056] In this embodiment, when in use, each group of first screws 204 is provided with a group of annular flat washers 205, the first screws 204 pass through the countersunk holes 202 to connect with the cabinet, the base body 201 is strengthened with the cooperation of multiple groups of anti-skid protrusions 203, the shell 101 is placed on the base body 201, and then the two groups of protrusions 207 and the hollow positioning block 206 are slid into the T-shaped notches formed by the two groups of extensions 102 and the two groups of first sliders 103, the shell 101 is positioned by the limit plate 208, and the staff pulls the moving block 311 to the left through the first baffle plate 407 and the second connecting rod 405, and when the left end of the second connecting rod 405 is flush with the left end of the hollow positioning block 206, the moving block 311 is moved between the two groups of second shaft pins 310 and the two groups of first With the cooperation of the connecting rod 309 and the two groups of first axle pins 308, the two groups of second sliders 304 are mirror-imaged away, so that the second sliders 304 drive the corresponding sockets 307 to be mirror-imaged away, and the sockets 307 pass through a group of sockets 307 and are inserted into a group of slots 104, thereby completing the fixation of the shell 101. The staff rotates the second screw 408 ninety degrees with the cooperation of the second connecting rod 405 and the rotating shaft 404, and then the second screw 408 coincides with the thread groove 406. The second screw 408 is rotated so that the second screw 408 is threadedly connected with the thread groove 406. At the same time, the inner end of the second screw 408 cooperates with the limit plate 208 to limit the shell 101 in the left and right directions, thereby realizing secondary fixation of the shell 101. The metering module uses a high-precision electric energy metering chip for real-time measurement of electrical parameters such as current, voltage, and power; the control module contains a microprocessor and a communication interface for receiving and executing remote control instructions and controlling the on and off state of the switch; the regulation module adjusts the active power and reactive power through the adjustment circuit to meet the grid dispatching requirements; the monitoring module is used to monitor the working state of the switch, environmental parameters and grid quality, such as current imbalance, harmonic content, etc., to achieve observable, measurable, controllable and adjustable low-voltage distributed photovoltaics.

[0057] As a further improvement of the embodiment of the present invention, two groups of strip grooves 501 are provided at the front end of the hollow positioning block 206, and a group of optical bars 502 are fixedly provided in each group of strip grooves 501. Each group of optical bars 502 is slidably connected to a group of moving seats 503 respectively. The left ends of the two groups of moving seats 503 are connected to the right ends of the second baffle 504. A group of second springs 505 are respectively installed on each group of optical bars 502, and each group of second springs 505 are below the moving seat 503.

[0058] After the shell 101 is fixed for the second time, the movable seat 503 drives the second baffle 504 to rise under the action of the elastic force of the two sets of second springs 505, so that the second baffle 504 and the two sets of movable seats 503 cooperate to limit the angle of the second connecting rod 405, thereby realizing the third fixation and reinforcement of the shell 101.

[0059] The shell 101, metering module, control module, adjustment module and monitoring module of the four-in-one terminal metering switch of the embodiment of the present invention are purchased on the market. Technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0060] It can be seen from the above description that compared with the prior art, the beneficial effect brought by the embodiments of the present invention is that: while ensuring the stability of the equipment, the present invention greatly simplifies the installation and disassembly process, improves work efficiency, and reduces maintenance costs. The sliding connection between the shell and the base assembly and the quick clamping and fixing mechanism between the card assembly and the slot make the installation process of the entire device simple and quick, without the need for complicated operations or additional tools, greatly reducing the installation time. At the same time, the design of the card assembly allows the shell to be quickly disassembled when necessary, which is convenient for maintenance and upgrading. In addition, the anti-slip bump design of the base assembly enhances the stability of the equipment in the installation position, and the use of the limit plate ensures the precise positioning of the shell during the installation process, avoiding misalignment or misinstallation, and further improving the accuracy and reliability of the installation.

[0061] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A four-in-one terminal metering switch, characterized in that: include: A housing, inside which a metering module, a control module, a regulating module and a monitoring module are arranged; Extension parts are arranged on both sides of the bottom end of the shell; A first slider, disposed inside the extension portion; A slot, disposed inside the first sliding block; A base assembly and a clamping assembly mounted on the base assembly, wherein the clamping assembly cooperates with the slot to clamp and fix the housing; The shell is slidably connected to the base assembly under the cooperation of the extension part and the first sliding block.

2. The four-in-one terminal metering switch according to claim 1 is characterized in that: The base assembly includes a base body, a countersink, an anti-skid convex block, a first screw, an annular flat washer, a hollow positioning block, a protruding portion and a limiting plate; A group of countersunk holes are respectively arranged at the four corners of the base body, a group of first screws are respectively passed through each group of countersunk holes, and a group of annular flat washers are respectively mounted on each group of first screws; A hollow positioning block is provided at the top of the base body; A group of protrusions are respectively arranged at the front and rear ends of the hollow positioning block, a limit plate is arranged at the right end of the hollow positioning block, and the clamping assembly is installed inside the hollow positioning block; A plurality of groups of anti-skid protrusions are arranged at the bottom end of the base body.

3. The four-in-one terminal metering switch according to claim 2 is characterized in that: The card assembly comprises: A first fixed plate, a slide groove, a polished rod, a second sliding block, a first spring, a plug rod, a plug hole, a first axle pin, a connecting rod, a second axle pin, a moving block and a pull rod assembly; A polished rod is fixedly installed in a slide groove provided at the bottom end of the first fixed plate, and a second sliding block slidably provided in the slide groove is slidably connected to the polished rod; An insertion rod is arranged at the outer end of the second sliding block, and insertion holes are arranged at the left and right ends of the hollow positioning block; The front end of the first connecting rod is hinged to the rear end of the second sliding block through a first axle pin, and the rear end is hinged to the left and right ends of the moving block through a second axle pin; A pull rod assembly is arranged at the front end of the moving block.

4. The four-in-one terminal metering switch according to claim 3 is characterized in that: The pull rod assembly includes a pull rod, a positioning frame, a second fixed plate, a rotating shaft, a second connecting rod, a threaded groove, a first baffle and a second screw. A positioning frame is provided at the bottom end of the first fixed plate, the right end of the pull rod is connected to the left end of the movable block, the pull rod is slidably connected to the positioning frame, two groups of second fixed plates are provided at the left end of the pull rod, one end of the second connecting rod is rotatably installed between the two groups of second fixed plates with the cooperation of the rotating shaft, the other end of the second connecting rod is provided with a first baffle, and a threaded groove is provided at the left end of the hollow positioning block, the first baffle is threadedly mounted with a second screw, and the second screw is threadedly connected to the threaded groove.

5. The four-in-one terminal metering switch according to claim 4 is characterized in that: The first baffle and the second connecting rod are integrally formed.

6. The four-in-one terminal metering switch according to claim 4 is characterized in that: A set of limit blocks are respectively arranged at the left and right ends of the pull rod, and a set of anti-collision pads are respectively arranged at the rear end of each set of limit blocks.

7. The four-in-one terminal metering switch according to claim 3 is characterized in that: The outer ends of the two groups of plug rods are respectively provided with a group of hemispherical plugs.

8. The four-in-one terminal metering switch according to claim 2 is characterized in that: The front end of the hollow positioning block is provided with two groups of strip grooves, and a group of optical bars is fixedly arranged in each group of strip grooves. Each group of optical bars is slidably connected to a group of moving seats. The left ends of the two groups of moving seats are connected to the right end of the second baffle. Each group of optical bars is respectively provided with a group of second springs, and each group of second springs is below the moving seat.

9. The four-in-one terminal metering switch according to claim 8 is characterized in that: A pressure plate is arranged at the left end of the second baffle, and an anti-slip pad is arranged at the top end of the pressure plate.

10. The four-in-one terminal metering switch according to claim 1 is characterized in that: The shell and the extension portion are integrally formed.

Images