Anti-harmonic intelligent fling-cut switch

Abstract

The utility model discloses an anti-harmonic intelligent switching switch in the technical field of switches, which comprises a mounting box, an inner mounting cavity is arranged inside the mounting box, a switching device is fixedly connected to the inner wall of the top end of the inner mounting cavity, a capacitor contactor is fixedly connected to the inner wall of the inner mounting cavity at the bottom end of the switching device, and an access groove is arranged at the top end of one side of the mounting box. The thyristor is firstly switched in, so that zero-crossing switching can be realized, then the current limiter of the magnetic head is switched in, meanwhile, the thyristor is withdrawn, the current-limiting energy-bearing visual current combination switch is formed by combining the thyristor and a current-limiting energy head, and the switching mode of the mode is that large-scale switching is realized through zero energy, so that special requirements are met, and the purpose of rapidness is realized. The intelligent circuit controls three-phase and single-phase random switching strong current, weak current and strong current are combined, the anti-harmonic effect of the intelligent fling-cut switch is improved, and the working efficiency of the intelligent fling-cut switch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to an anti-harmonic intelligent switching switch. Background Art

[0002] The word "switch" is interpreted as opening and closing. It also refers to an electronic component that can open a circuit, interrupt the current, or make it flow to other circuits. The most common switch is an electromechanical device operated by humans, which has one or several electronic contacts. The "closing" of the contact means that the electronic contact is conducting and allows current to flow through; the "open circuit" of the switch means that the electronic contact is not conducting to form an open circuit and does not allow current to flow through.

[0003] In the prior art in China, ordinary electric control contacts (CCJ16, CJ19, CT32) are mainly used to switch electrical ports. Its disadvantages are that it cannot impedance suppress surge current, is prone to heat generation, has a short service life, and is prone to catching fire and has a short service life. In view of the defects of the existing electrical switching contact surfaces, the utility model provides an anti-harmonic intelligent switching switch.

[0004] With the continuous progress of science and technology, various power equipment are widely used in the power grid. The change of its frequency will generate multiple harmonics, and these multiple harmonics will cause resonant overcurrent to the load electrical equipment in the power grid, especially have a greater impact on the components in the reactive power compensation device. When the power capacitor is switched, the harmonic current adheres to the fundamental wave current, which will cause damage to the contactors, plastics, etc. in the reactive power compensation device, and even cause dangerous situations such as power capacitor explosion, bringing potential safety hazards to the compensation device. Therefore, relevant standards and requirements have been formulated for harmonic management in the power grid internationally and in various countries. Taking China as an example, relevant technical standards were introduced as early as 1984. That is: the "Interim Rules for the Management of Power System Harmonics" SD123-84 was issued. In 1993, the national standard was also promulgated, that is: GB / T14549-93 "Power Quality - Public Power Grid Harmonics". According to the standard requirements, in order to prevent the harmonic of electrical equipment from causing resonant overcurrent and damage, governance measures should be taken according to the actual harmonic source situation. The relevant standards stipulate that the harmonics should be limited within a certain range. However, when the existing switching switches are in use, there are still harmonics and harmonic currents will be generated, which will affect the use effects of the switching switches and circuits. Therefore, an anti-harmonic intelligent switching switch is proposed. Content of the Utility Model

[0005] The purpose of the present utility model is to provide an anti-harmonic intelligent switching switch. The thyristor is first put into operation, so that zero-crossing switching can be achieved. Then, the current limiter of the magnetic head is put into operation, and at the same time, the thyristor exits. The current-limiting composite switching switch that can withstand visual current is composed of a thyristor and a current-limiting head. This switching method is to perform a large number of switchings through zero energy to meet special requirements. In order to achieve the purpose quickly, the electromagnetic intelligent circuit controls the three-phase and single-phase arbitrary switching in a combined manner of strong electricity, weak electricity, and strong electricity, improves the anti-harmonic effect of the intelligent switching switch, and improves the working efficiency of the intelligent switching switch, so as to solve the problem that when the existing switching switch is in use, there are still harmonics and harmonic currents will be generated, affecting the use effect of the switching switch and the circuit.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: An anti-harmonic intelligent switching switch, including an installation box. An installation inner cavity is opened inside the installation box. The top inner wall of the installation inner cavity is fixedly connected with a switching switch. The inner wall of the installation inner cavity at the bottom end of the switching switch is fixedly connected with a capacitor contactor. An access slot is opened at the top end of one side of the installation box, and an outlet slot is opened at the bottom end of one side of the installation box. A plurality of wiring boards are respectively penetrated through the outer walls of the installation box at the top of the access slot and the bottom end of the outlet slot. One end of the wiring board at the top of the access slot penetrating through the installation box is electrically connected to the input end of the switching switch. The output end of the capacitor contactor is electrically connected to the wiring board at the bottom end of the outlet slot. The outer wall of the bottom end of the installation box is movably connected with a self-resetting button. The output end of the self-resetting button is connected to the control end of the switching switch. A three-phase switcher is fixedly connected to the bottom end of the installation box where the self-resetting button is located.

[0007] As a further scheme of the present utility model: A plurality of indicator lights are embedded and fixed on the outer wall of the installation box at the top of the self-resetting button. The inner wall of the installation inner cavity at the end far away from the indicator lights is fixedly connected with an inner fixing net.

[0008] As a further scheme of the present utility model: A plurality of heat dissipation slots are respectively penetrated through the side walls on both sides of the installation box. All the heat dissipation slots are penetrated and connected to the inner wall of the installation inner cavity.

[0009] As a further scheme of the present utility model: A heat dissipation working box is fixedly connected to one end of the installation box far away from the self-resetting button. A heat dissipation inner cavity is opened on the inner wall of the heat dissipation working box. A heat dissipation motor is fixedly connected to the inner wall of the heat dissipation inner cavity.

[0010] As a further scheme of the present utility model: A heat dissipation hole is penetrated through one end of the heat dissipation working box far away from the installation box. The output end of the heat dissipation motor is arranged towards one end of the heat dissipation hole. A heat dissipation fan blade is fixedly connected to the output end of the heat dissipation motor. A dust-proof net is fixedly connected to the inner wall of one end of the heat dissipation hole far away from the installation box.

[0011] As a further solution of the present utility model: on the top and bottom of one end of the installation box close to the heat dissipation working box, connecting plates are fixedly connected, and a plurality of through connection holes are uniformly formed through the side walls of the two connecting plates.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: in the present utility model, the thyristor is put into operation first, so that zero-crossing switching can be realized, and then the current limiter of the magnetic head is put into operation, while the thyristor exits. The current-limiting composite switch is composed of a thyristor and a current-limiting head. This switching method is to perform a large number of switchings through zero energy to meet special requirements. In order to achieve a fast purpose, the electromagnetic intelligent circuit controls three-phase and single-phase arbitrary switching in a combined manner of strong electricity, weak electricity, and strong electricity, improving the anti-harmonic effect of the intelligent switching switch and improving the working efficiency of the intelligent switching switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view structure schematic diagram of an anti-harmonic intelligent switching switch of the present utility model;

[0014] Figure 2 is the structure schematic diagram of the heat dissipation working box in an anti-harmonic intelligent switching switch of the present utility model;

[0015] Figure 3 is the exploded structure schematic diagram of the heat dissipation working box in an anti-harmonic intelligent switching switch of the present utility model;

[0016] Figure 4 is the sectional structure schematic diagram of the installation box in an anti-harmonic intelligent switching switch of the present utility model;

[0017] Figure 5 is the wiring schematic diagram of an anti-harmonic intelligent switching switch of the present utility model;

[0018] Figure 6 is the schematic diagram of the principle of the switcher in an anti-harmonic intelligent switching switch of the present utility model.

[0019] In the figure: 1. Installation box; 2. Indicator light; 3. Self-resetting button; 4. Access slot; 5. Wiring board; 6. Output slot; 7. Connecting plate; 8. Through connection hole; 9. Heat dissipation slot; 10. Heat dissipation working box; 11. Heat dissipation hole; 12. Inner fixing net; 13. Heat dissipation inner cavity; 14. Heat dissipation motor; 15. Heat dissipation fan blade; 16. Dust-proof net; 17. Installation inner cavity; 18. Switching switch; 19. Capacitor contactor; 20. Three-phase switcher. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.

[0022] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is 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 should not be construed as a limitation of the present invention.

[0023] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "set" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Please refer to Figures 1 to 4, in the embodiment of the present utility model, an anti-harmonic intelligent switching switch includes an installation box 1. An installation inner cavity 17 is opened inside the installation box 1. A switching switch 18 is fixedly connected to the top inner wall of the installation inner cavity 17. A capacitor contactor 19 is fixedly connected to the inner wall of the installation inner cavity 17 at the bottom of the switching switch 18. An access slot 4 is opened at the top of one side of the installation box 1. An outlet slot 6 is opened at the bottom of one side of the installation box 1. A plurality of wiring boards 5 are penetrated through the outer walls of the installation box 1 at the top of the access slot 4 and the bottom of the outlet slot 6. One end of the wiring board 5 at the top of the access slot 4 that penetrates through the installation box 1 is electrically connected to the input end of the switching switch 18. The output end of the capacitor contactor 19 is electrically connected to the wiring board 5 at the bottom of the outlet slot 6. A self-resetting button 3 is movably connected to the outer wall of the bottom end of the installation box 1. The output end of the self-resetting button 3 is connected to the control end of the switching switch 18. A three-phase switcher 20 is fixedly connected to the bottom of the installation box 1 at the bottom of the self-resetting button 3.

[0025] Preferably, in this embodiment, the three-phase switcher 20 is made of perlite powder + read sea logic + Dmc flame retardant material, ensuring that the equipment can operate stably during use.

[0026] At the same time, in this embodiment, the output end of the three-phase switcher 20 is electrically connected to the input end of the capacitor contactor 19 through a thyristor.

[0027] Please refer to Figure 5 and Figure 6 As shown, in the present utility model, the wiring method and working principle of the three-phase switcher 20 are as shown in the figure. When the device is in use, the thyristor is first put into operation, so that zero-crossing switching can be achieved. Then, the current limiter of the magnetic head is put into operation, and at the same time, the thyristor exits. The current-limiting composite switch is composed of a thyristor and a current-limiting head. This switching method is to achieve a large number of switchings through zero energy to meet special requirements for the purpose of achieving rapidity. The measures taken by the present utility model are: electromagnetic: intelligent circuit controls the three-phase and single-phase arbitrary switching of strong electricity, weak electricity, and the combination of strong electricity to achieve the anti-harmonic effect of the three-phase switcher.

[0028] A plurality of indicator lights 2 are embedded and fixed on the outer wall of the installation box 1 at the top of the self-resetting button 3. An inner fixing net 12 is fixedly connected to the inner wall of the installation inner cavity 17 at the end far from the indicator lights 2.

[0029] A plurality of heat dissipation slots 9 are penetrated through the side walls on both sides of the installation box 1, and all the plurality of heat dissipation slots 9 are penetrated and connected to the inner wall of the installation inner cavity 17.

[0030] A heat dissipation working box 10 is fixedly connected to one end of the installation box 1 far from the self-resetting button 3. A heat dissipation inner cavity 13 is opened in the inner wall of the heat dissipation working box 10, and a heat dissipation motor 14 is fixedly connected to the inner wall of the heat dissipation inner cavity 13.

[0031] One end of the heat dissipation working box 10 away from the installation box 1 is provided with a heat dissipation hole 11 through which the output end of the heat dissipation motor 14 is arranged towards one end of the heat dissipation hole 11. The output end of the heat dissipation motor 14 is fixedly connected with a heat dissipation fan blade 15, and the inner wall of the end of the heat dissipation hole 11 away from the installation box 1 is fixedly connected with a dust-proof net 16.

[0032] Preferably, in this embodiment, the heat dissipation motor 14 is powered by an external circuit to ensure that the device can be cooled during use.

[0033] Both the top and bottom of the installation box 1 near one end of the heat dissipation working box 10 are fixedly connected with connecting plates 7, and a plurality of through connection holes 8 are uniformly provided through the side walls of the two connecting plates 7.

[0034] The working principle of the present utility model is as follows: The device can be installed in a suitable position by cooperating with fixing bolts through the connecting plates 7 and the through connection holes 8, and then the external circuit is connected through the access slot 4 and the terminal board 5 at the top, and the output line is connected through the outlet slot 6 and the terminal board 5 at the bottom. After the line connection is completed, the device can be used normally.

[0035] When controlling the line, the thyristor is put into operation first, so that zero-crossing switching can be achieved. Then the current limiter of the magnetic head is put into operation, and at the same time the thyristor exits. The current-limiting energy-bearing composite switch is composed of a thyristor and a current-limiting energy head. This switching method is to perform a large number of switchings through zero energy to meet special requirements for the purpose of achieving rapidity. The measures taken by the present utility model are as follows: Electromagnetic: The intelligent circuit controls three-phase and single-phase arbitrary switching in a combined manner of strong electricity, weak electricity, and strong electricity to achieve the anti-harmonic effect of the three-phase switcher.

[0036] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described method may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0037] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative rather than restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them fall within the protection scope of the present application.

Claims

1. An anti-harmonic intelligent switching switch, including an installation box (1), characterized in that: An installation cavity (17) is formed inside the installation box (1). The inner wall of the top end of the installation cavity (17) is fixedly connected with a switching switch (18). The inner wall of the installation cavity (17) at the bottom end of the switching switch (18) is fixedly connected with a capacitor contactor (19). An access slot (4) is formed at the top end of one side of the installation box (1), and an outlet slot (6) is formed at the bottom end of one side of the installation box (1). A plurality of wiring boards (5) are respectively formed through the outer walls of the installation box (1) at the top of the access slot (4) and the bottom of the outlet slot (6). One end of the wiring board (5) at the top of the access slot (4) passing through the installation box (1) is electrically connected to the input end of the switching switch (18). The output end of the capacitor contactor (19) is electrically connected to the wiring board (5) at the bottom end of the outlet slot (6). The outer wall of the bottom end of the installation box (1) is movably connected with a self-resetting button (3). The output end of the self-resetting button (3) is connected to the control end of the switching switch (18). A three-phase switcher (20) is fixedly connected to the bottom end of the installation box (1) where the self-resetting button (3) is located.

2. The intelligent switching switch for anti-harmonic according to claim 1, wherein: A plurality of indicator lights (2) are embedded and fixed on the outer wall of the installation box (1) at the top end of the self-resetting button (3). The inner wall of one end of the installation cavity (17) far away from the indicator lights (2) is fixedly connected with an inner fixing net (12).

3. The intelligent switching switch for anti-harmonic according to claim 1, characterized in that: A plurality of heat dissipation slots (9) are respectively formed through the side walls on both sides of the installation box (1), and all the plurality of heat dissipation slots (9) are connected through the inner wall of the installation cavity (17).

4. The anti-harmonic intelligent switching switch according to claim 1, wherein: A heat dissipation working box (10) is fixedly connected to one end of the installation box (1) far away from the self-resetting button (3). A heat dissipation cavity (13) is formed inside the heat dissipation working box (10), and a heat dissipation motor (14) is fixedly connected to the inner wall of the heat dissipation cavity (13).

5. The intelligent switching switch for anti-harmonic according to claim 4, characterized in that: A heat dissipation hole (11) is formed through one end of the heat dissipation working box (10) far away from the installation box (1). The output end of the heat dissipation motor (14) is arranged towards one end of the heat dissipation hole (11). The output end of the heat dissipation motor (14) is fixedly connected with a heat dissipation fan blade (15). A dust-proof net (16) is fixedly connected to the inner wall of one end of the heat dissipation hole (11) far away from the installation box (1).

6. The intelligent switching switch for anti-harmonic according to claim 1, characterized in that: Connection plates (7) are respectively fixedly connected to the top and bottom of one end of the installation box (1) close to the heat dissipation working box (10). A plurality of through connection holes (8) are respectively formed through the side walls of the two connection plates (7) evenly.

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