阅读说明：本技术 一种簧片式真空触点机构 (Reed type vacuum contact mechanism ) 是由 张孝平 于 2019-01-07 设计创作，主要内容包括：本发明实施例公开了一种簧片式真空触点机构,包括相对设置的静触点组和动触点组,所述静触点组包括安装在水平移动设备上的静触点安装板和安装在静触点安装板上表面上的多个静触点,所述动触点组包括安装在升降机构上的动触点安装板和安装在动触点安装板上表面上的多个动触点,且多个所述动触点沿动触点安装板的长度方向分布,所述动触点为L型结构的弹簧片,包括水平设置的安装部和竖直向下设置的导通部,所述导通部一体成型在安装部远离动触点安装板的端部上并用于接触静触点。本发明实施例利用簧片式动触点接触,使静触点组和动触点组在水平方向上实现相对运动,使触点机构在真空下实现平稳接触导通,其结构简单,加工成本低。(The embodiment of the invention discloses a reed type vacuum contact mechanism, which comprises a fixed contact group and a movable contact group which are oppositely arranged, wherein the fixed contact group comprises a fixed contact mounting plate arranged on horizontal moving equipment and a plurality of fixed contacts arranged on the upper surface of the fixed contact mounting plate, the movable contact group comprises a movable contact mounting plate arranged on a lifting mechanism and a plurality of movable contacts arranged on the upper surface of the movable contact mounting plate, the movable contacts are distributed along the length direction of the movable contact mounting plate, the movable contact is a reed with an L type structure and comprises a horizontally arranged mounting part and a vertically and downwards arranged conduction part, and the conduction part is integrally formed on the end part of the mounting part far away from the movable contact mounting plate and is used for contacting the fixed contact.)

1. A reed type vacuum contact mechanism is characterized in that the contact mechanism comprises a fixed contact group (1) and a movable contact group (2) which are oppositely arranged, the fixed contact group (1) comprises a fixed contact mounting plate (11) installed on horizontal moving equipment and a plurality of fixed contacts (12) installed on the upper surface of the fixed contact mounting plate (11), the fixed contacts (12) are distributed along the length direction of the fixed contact mounting plate (11), the movable contact group (2) is arranged above the fixed contact group (1) and comprises a movable contact mounting plate (21) installed on a lifting mechanism and a plurality of movable contacts (22) installed on the upper surface of the movable contact mounting plate (21), the movable contacts (22) are distributed along the length direction of the movable contact mounting plate (21), the movable contacts (22) are reed of L type structures and comprise a horizontally arranged mounting part (221) and a vertically downward arranged conduction part (222), one end of the mounting part (221) is fixed on the upper surface of the movable contact mounting plate (21), the other end of the movable contact (221) extends out of the fixed contact mounting plate (11) and is integrally formed on the movable contact mounting plate (21).

2. The reed vacuum contact mechanism of claim 1, wherein: the fixed contact (12) is connected with the fixed contact mounting plate (11) through bolts, a first copper nose (13) used for connecting an electric wire is fixedly connected to the non-contact end of the fixed contact (12), and the first copper nose (13) is connected with the fixed contact (12) through bolts.

3. The reed vacuum contact mechanism of claim 2, wherein: and a static contact cover plate (14) used for covering the non-contact end of the static contact (12) is arranged above the first copper nose (13), and the static contact cover plate (14) is in bolt connection with the static contact (12).

4. A reed vacuum contact mechanism according to claim 3, wherein: the stationary contact cover plate (14) is a plate structure manufactured and processed by PA6 material.

5. The reed vacuum contact mechanism of claim 1, wherein: the installation part (221) of the movable contact (22) is connected with the movable contact installation plate (21) through bolts, a second copper nose (23) used for connecting an electric wire is fixedly connected to one end, far away from the conduction part (222), of the installation part (221) of the movable contact (22), and the second copper nose (23) is connected with the movable contact (22) through bolts.

6. The reed vacuum contact mechanism of claim 5, wherein: and a movable contact cover plate (24) used for covering the movable contact (22) mounting part (221) is arranged above the mounting part (221), and the movable contact cover plate (24) is connected with the movable contact (22) through bolts.

7. The reed vacuum contact mechanism of claim 6, wherein: the movable contact cover plate (24) is made of a steel material and is of a plate type structure.

8. The reed vacuum contact mechanism of claim 1, wherein: the bottom surface of the movable contact mounting plate (21) is etched with a plurality of wire grooves (3) for fixing wires, and one end of each wire groove (3) is provided with a threaded hole (4) which penetrates through the movable contact mounting plate (21) and is used for the passing of the wires.

9. The reed vacuum contact mechanism of claim 1, wherein: the fixed contact mounting plate (12) and the movable contact mounting plate (21) are both plate-type structures made of PA6 materials.

Technical Field

The embodiment of the invention relates to the technical field of contact mechanisms, in particular to a reed type vacuum contact mechanism.

Background

Generally, an electromagnetic contactor is a type of circuit switching device that performs mechanical transmission and sends a current signal using an electromagnetic principle. The electromagnetic contactor is installed in various types of industrial equipment, machines, vehicles, etc., and the electromagnetic contactor may include: a main contact mechanism for effecting or interrupting power supply to a load; and an auxiliary contact mechanism for performing power supply to the electromagnetic coil of the main contact mechanism or cutting off power supply to the electromagnetic coil of the main contact mechanism.

Disclosure of Invention

Therefore, the embodiment of the invention provides a reed type vacuum contact mechanism to solve the problem that two contacts of an electromagnetic relay in the prior art are inconvenient to open, close and conduct.

In order to achieve the purpose, the embodiment of the invention provides the following technical scheme that the reed type vacuum contact mechanism comprises a fixed contact group and a movable contact group which are oppositely arranged, wherein the fixed contact group comprises a fixed contact mounting plate arranged on horizontal moving equipment and a plurality of fixed contacts arranged on the upper surface of the fixed contact mounting plate, the plurality of fixed contacts are distributed along the length direction of the fixed contact mounting plate, the movable contact group is arranged above the fixed contact group and comprises a movable contact mounting plate arranged on a lifting mechanism and a plurality of movable contacts arranged on the upper surface of the movable contact mounting plate, the plurality of movable contacts are distributed along the length direction of the movable contact mounting plate, the movable contacts are spring pieces of L type structures and comprise a horizontally arranged mounting part and a vertically downward arranged conduction part, one end of the mounting part is fixed on the upper surface of the movable contact mounting plate, the other end of the mounting part extends out of the movable contact mounting plate along the direction close to the fixed contact mounting plate, and the conduction part is integrally formed on the end, far away from the movable contact mounting plate, and.

By adopting the above technical scheme, a fixed contact group and a movable contact group are oppositely arranged, a group of reed type movable contacts are fixed in the movable contact group, a group of fixed contacts are fixed in the fixed contact group, the fixed contacts are preferably square conductive blocks, the movable contact group is connected and fixed on a lifting mechanism, the fixed contact group is installed on a horizontally movable device, when the contact mechanism works in a vacuum state, the fixed contact group can linearly move in the same plane, when the fixed contact group moves to a specified position, the movable contact group fixed on the lifting mechanism drives the reed type movable contacts to press down, a conduction part of the movable contact is contacted on the upper surface of the fixed contacts so as to conduct current, and under the operation that the fixed contact group moves horizontally and the movable contact group moves up and down, the movable contact group is electrically contacted and opened and closed compared with the existing electromagnetic relay The static contact group can realize relative motion in the horizontal direction, so that the contact mechanism can realize stable contact conduction in a vacuum state, the structure is simple, the processing cost of the contacts is reduced, and the contact mechanism can be used for a multi-contact structure by respectively arranging a plurality of static contacts and movable contacts, so that the arrangement of the contacts is more reasonable, and the two contacts are convenient to open and close to conduct.

The embodiment of the invention is further characterized in that the static contact is in bolted connection with the static contact mounting plate, a first copper nose for connecting an electric wire is fixedly connected to a non-contact end of the static contact, and the first copper nose is in bolted connection with the static contact.

The embodiment of the invention is further characterized in that a fixed contact cover plate used for covering a fixed contact non-contact end is arranged above the first copper nose, and the fixed contact cover plate is connected with a fixed contact bolt.

Through adopting above-mentioned technical scheme, install first copper nose on the stationary contact, make the electric wire connect on the stationary contact through first copper nose to set up the stationary contact apron and cover the non-contact end of stationary contact, thereby avoid the junction of stationary contact and electric wire directly to expose in the outside, play neat pleasing to the eye effect promptly, also play the effect of protection to the stationary contact, can avoid the vacuum to strike sparks the discharge problem simultaneously.

An embodiment of the invention is further characterized in that the stationary contact cover plate is a plate-type structure manufactured and processed from PA6 material.

Through adopting above-mentioned technical scheme, set up the plate structure of PA6 material manufacturing processing into with the stationary contact apron, play insulating effect to make it have better intensity and mechanical properties.

The embodiment of the invention is also characterized in that the mounting part of the movable contact is connected with the movable contact mounting plate through a bolt, one end of the movable contact mounting part far away from the conduction part is fixedly connected with a second copper nose used for connecting an electric wire, and the second copper nose is connected with the movable contact through a bolt.

The embodiment of the invention is also characterized in that a movable contact cover plate used for covering the movable contact mounting part is arranged above the mounting part, and the movable contact cover plate is connected with the movable contact bolt.

By adopting the technical scheme, the second copper nose is arranged on the movable contact, so that the electric wire is connected to the movable contact through the second copper nose, and the movable contact cover plate is arranged to cover the installation part of the movable contact, thereby effectively preventing the falling dust from covering the surface of the contact and protecting the movable contact.

The embodiment of the invention is also characterized in that the movable contact cover plate is made of a steel material and is of a plate type structure.

Through adopting above-mentioned technical scheme, set up moving contact apron to match steel material and make the plate-type structure, play insulating effect to make it have better intensity and mechanical properties.

The embodiment of the invention is also characterized in that a plurality of wire grooves for fixing the wires are etched on the bottom surface of the movable contact mounting plate, and one end of each wire groove is provided with a threaded hole which penetrates through the movable contact mounting plate and is used for the wires to pass through.

Through adopting above-mentioned technical scheme, the sculpture has a plurality of wire casings on the bottom surface of movable contact mounting panel to set up the screw hole that runs through the movable contact mounting panel in the one end of wire casing, make the electric wire of connecting on the movable contact pass the screw hole and from the bottom surface of movable contact mounting panel imbed into the wire casing, make arranging and planning safe and reliable of circuit, clean and tidy pleasing to the eye, convenient maintenance and maintenance.

The embodiment of the invention is also characterized in that the fixed contact mounting plate and the movable contact mounting plate are both plate-type structures made of PA6 materials.

Through adopting above-mentioned technical scheme, all set up static contact mounting panel and movable contact mounting panel into the plate-type structure of PA6 material manufacturing, play insulating effect to make it have better intensity and mechanical properties.

The embodiment of the invention has the following advantages: by arranging the fixed contact group and the movable contact group oppositely, a group of reed type movable contacts are fixed in the movable contact group, a group of fixed contacts are fixed in the fixed contact group, the movable contact group is connected and fixed on the lifting mechanism, and the fixed contact group is arranged on a horizontally movable device, when the contact mechanism works in a vacuum state, the fixed contact group can move linearly in the same plane, when the fixed contact group moves to a specified position, the movable contact group fixed on the lifting mechanism drives the reed type movable contacts to press down, the conduction part of the movable contact is contacted on the upper surface of the fixed contact so as to conduct current, the reed type movable contact is utilized to contact, under the operation that the fixed contact group moves horizontally and the movable contact group moves up and down, compared with the existing electromagnetic relay, the technical scheme of the embodiment realizes stable contact conduction in the vacuum state, and has simple structure, the processing cost of the contacts is reduced, and the contact structure can be used for a multi-contact structure by respectively arranging a plurality of fixed contacts and movable contacts, so that the arrangement of the contacts is more reasonable, and the two contacts can be conveniently opened and closed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a schematic overall structure diagram of a reed-type vacuum contact mechanism provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a stationary contact group of a reed-type vacuum contact mechanism provided in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a moving contact group of a reed-type vacuum contact mechanism provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a moving contact group of a reed-type vacuum contact mechanism provided in embodiment 2 of the present invention.

In the figure: 1. a stationary contact group; 11. a stationary contact mounting plate; 12. a stationary contact; 13. a first copper nose; 14. a stationary contact cover plate; 2. a movable contact group; 21. a movable contact mounting plate; 22. a movable contact; 221. An installation part; 222. a conduction part; 23. a second copper nose; 24. a movable contact cover plate; 3. a wire slot; 4. a threaded bore.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.