CN112071673A

CN112071673A - Gear switch

Info

Publication number: CN112071673A
Application number: CN202010928378.3A
Authority: CN
Inventors: 黄祖友; 江流峰; 曹明托; 钟育林
Original assignee: Guangdong Power Grid Co Ltd; Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-11
Anticipated expiration: 2040-09-07
Also published as: CN112071673B

Abstract

The invention belongs to the technical field of transformers, and discloses a gear switch, which comprises: the gear shifting device comprises a shell, a gear shifting handle and an indicator light, wherein an accommodating cavity is formed in the shell; the gear handle is rotatably arranged on the surface of the shell and is provided with a plurality of gear stopping points along the rotating path; the indicating lamps are arranged on the surface of the shell and correspond to the gear stopping points, the colors of the indicating lamps are different, and when the gear handle is at any gear stopping point, the corresponding indicating lamp is turned on. The gear handle is located different gear berth points, and the pilot lamp shows different luminance, solves the problem that the gear can not the on-the-spot affirmation, improves the verifiability of equipment machine account simultaneously to reduce the operation risk, improve work efficiency.

Description

Gear switch

Technical Field

The invention relates to the technical field of transformers, in particular to a gear switch.

Background

When line equipment and a transformer are in an operating state, if the problem of high or low voltage of a user occurs, the voltage needs to be increased or reduced through gear adjustment, the gear setting condition of the transformer cannot be verified on site because the gear of the transformer has no display screen, if the gear is found to be operated at the highest position or the lowest position after blind power failure, the gear cannot be adjusted, and the station area is operated for power restoration after power failure, so that the electrical operation risk of operating personnel is increased, and a plurality of adverse factors such as power supply reliability of the user are reduced.

Disclosure of Invention

The invention aims to provide a gear switch to solve the problem that the gears of a distribution network transformer cannot be identified on site.

In order to achieve the purpose, the invention adopts the following technical scheme:

a range switch comprising:

the device comprises a shell, a positioning device and a control device, wherein an accommodating cavity is arranged inside the shell;

the gear handle is rotatably arranged on the surface of the shell and is provided with a plurality of gear stopping points along the rotating path; and

the indicating lamps are arranged on the surface of the shell and correspond to the gear stopping points, the colors of the indicating lamps are different, and the corresponding indicating lamps are lightened when the gear handle is at any gear stopping point.

Preferably, an arc-shaped through hole is formed in the surface of the shell corresponding to the rotation path of the gear handle;

gear handle is equipped with stiff end and rotatory end respectively along length direction's both ends, the stiff end sets up on the shell, rotatory end is followed the arc through-hole stretches into in the holding chamber and relative the stiff end is rotatory.

The gear handle moves along the arc-shaped through hole, and the rotating end can stretch into the accommodating cavity from the arc-shaped through hole, so that the rotating end is protected by the shell when moving, and the gear shifting is smoother.

Preferably, the inhibitor switch further comprises:

the inductive switches are arranged in the shell and correspond to the gear stopping points one by one; and

a power source; and on any gear stop point, the inductive switch, the power supply and the indicator lamp are connected in series, and the rotating end can turn on or off the inductive switch.

The gear stop point of every position is equipped with inductive switch, and when rotatory end was rotatory to the gear stop point, rotatory end made inductive switch, power and pilot lamp switch on, and then made the pilot lamp that corresponds this gear stop point light.

Preferably, two inner walls are respectively arranged in the accommodating cavity corresponding to two length edges of the arc-shaped through hole;

the inductive switch is provided with two connecting contacts which are respectively arranged between the two inner walls and are spaced from each other;

the rotating end is provided with a conducting strip, and when the rotating end is located at the gear stopping point, the conducting strip is abutted to the two connecting contacts.

The connecting contact is arranged between the two inner walls, the conducting wire can be hidden in the accommodating cavity, and when the rotating end rotates along the inner walls, the conducting strip is contacted with the connecting contact, so that the indicator lamp is communicated and lightened.

Preferably, the connection contact is elastically arranged outside the inner wall of the corresponding side, and the connection contact is compressed by the conductive sheet to contract along a direction perpendicular to the inner wall;

and after the conducting strip is separated from the connecting contact, the connecting contact is popped outwards.

When the rotating end breaks away from the connecting contact, there is the interval between the connecting contact of opposition, after the rotating end contacts the connecting contact, the connecting contact can receive elasticity and the rotatory end of butt all the time, and then keeps the on-state, and the connecting contact is in the elastic state and can avoid the problem that the long-time wearing and tearing of link after the connecting contact lead to inductive switch can't switch on.

Preferably, the inner wall is provided with a groove, the bottom of the groove is provided with a connecting wire hole, and a spring is arranged inside the groove;

the inductive switch further comprises a connecting rod connected with the connecting contact, the connecting rod is arranged inside the groove, the bottom of the connecting rod is connected with the spring, and the wire penetrates through the connecting wire hole to be connected to the bottom of the connecting rod.

The connecting rod can move outwards under the action of the spring, so that the connecting contact can move outwards.

Preferably, the connection contacts are provided as spheres. The connection contacts of the sphere structure make the conducting strip move to between the two connection contacts more smoothly.

Preferably, the inhibitor switch further comprises:

the solar cell panel is arranged on the surface of the shell; and

the storage battery is arranged in the accommodating cavity and is electrically connected with the solar cell panel and the power supply respectively.

The solar cell panel converts light energy into electric energy to be stored in the storage battery, the storage battery is electrically connected with the power supply, and the indicator lamp can be displayed at night.

The invention has the beneficial effects that: the gear handle is located different gear berth points, and the pilot lamp shows different luminance, solves the problem that the gear can not the on-the-spot affirmation, improves the verifiability of equipment machine account simultaneously to reduce the operation risk, improve work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a range switch according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of the position switch of FIG. 1 showing the position of the rotating end of the shift lever.

In the figure:

1-a housing; 10-an arc-shaped through hole; 11-inner wall; 110-a groove; 111-a spring;

2-gear handle; 20-a conductive sheet;

3-an indicator light;

4-an inductive switch; 41-connecting contacts; 42-connecting rod;

5-a power supply;

6-solar panel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The invention provides a gear switch which controls a transformer to increase or decrease voltage through gear adjustment.

Fig. 1 is a schematic structural diagram of an inhibitor switch according to an embodiment of the present application.

The gear switch comprises a shell 1, a gear handle 2 and an indicator light 3.

The inside of shell 1 is equipped with the holding chamber, and the surface of shell 1 is equipped with two holes that supply gear handle 2 to insert to establish, and gear handle 2 is equipped with stiff end and rotatory end along length direction, and wherein the stiff end sets up a circular port on shell 1, and rotatory end sets up an arc through-hole 10 on shell 1, and when rotatory end was rotatory around the stiff end, the rotatory route of rotatory end followed the motion of arc through-hole 10.

Correspondingly, gear handle 2 is provided with five gear berth points along the rotation path, and five gear berth points correspond five gears respectively, and in this embodiment, the voltage that corresponds along the clockwise from left pilot lamp 3 increases in proper order.

The housing 1 is provided with one indicator light 3 at each of the five gear stop points, and the colors of the five indicator lights 3 are the same for each part, in this embodiment, the colors of the five indicator lights 3 are red, yellow, green, blue and white, respectively. The indicator light 3 corresponding to the lowest voltage is red, and is yellow, green, blue, and white in order in the clockwise direction.

When the rotation end of gear handle 2 stopped at different gear stop points, this gear stop point corresponded pilot lamp 3 was lighted, solved the problem that current gear can not the on-the-spot affirmation, improved equipment machine account's verifiability simultaneously to reduce the operation risk, improve work efficiency.

Further, the rotating end extends into the accommodating cavity from the arc-shaped through hole 10. Gear handle 2 moves along arc through-hole 10 to the rotation end can stretch into the holding chamber from arc through-hole 10, receives the protection of shell 1 when making the rotation end move, and the accent is more smooth.

It should be noted that the rotating end is provided with a handle, and the handle is perpendicular to the shell 1, so that the gear shifting of the gear handle 2 is facilitated.

FIG. 2 is a cross-sectional view of the position switch of FIG. 1 showing the position of the rotating end of the shift lever. Correspond every gear stop in the holding chamber and be equipped with inductive switch 4 and power 5, on every gear stop, inductive switch 4, power 5 and pilot lamp 3 are established ties, and inductive switch 4 can be opened and closed to the rotatory end, and then opens and close pilot lamp 3. Specifically, when the rotating end is positioned at a gear stop point, the inductive switch 4 is turned on, and the indicator light 3 is turned on; when the rotating end is not at the gear stopping point, the inductive switch 4 is turned off, and the indicator light 3 is turned off.

It should be noted that, the gear switch of this application embodiment still is equipped with solar cell panel 6 and battery (not shown), and solar cell panel 6 sets up on the surface of shell 1, and the battery setting is in the holding chamber, solar cell panel 6 and battery electric connection, battery and 5 electric connection of power. The solar cell panel 6 converts light energy into electric energy to be stored in the storage battery, the storage battery is electrically connected with the power supply, and the indicating lamp 3 can be displayed at night.

Two length edges corresponding to the arc-shaped through hole 10 in the accommodating cavity are respectively provided with an inner wall 11, and the shape of the inner wall 11 is the same as that of the arc-shaped through hole 10.

The inductive switch 4 is provided with two connecting contacts 41, the two connecting contacts 41 are respectively arranged on the two inner walls 11 and are mutually spaced, the rotating end is provided with a conducting strip 20, and when the two connecting contacts 41 are not connected, the inductive switch 4 is in a closed state; when the rotating end is located at the gear stop point, the conducting strip 20 is just located between the two connecting contacts 41 at the gear stop point, the conducting strip 20 conducts the two connecting contacts 41, the inductive switch 4 is turned on, and the indicator light 3 at the gear stop point is turned on.

Further, the connection contact 41 is elastically arranged outside the inner wall 11 on the corresponding side, when the rotation end is located at the gear stop point, the connection contact 41 is pressed by the conductive sheet 20 to contract in the direction perpendicular to the inner wall 11, after the rotation end is moved away from the gear stop point, the conductive sheet 20 is separated from the connection contact 41, and the connection contact 41 is ejected from the compressed state in the direction away from the inner wall 11 to be reset.

In the present embodiment, the conductive sheet 20 is a copper sheet.

Inner wall 11 is equipped with recess 110, and the bottom of recess 110 is equipped with the connecting wire hole, and the inside spring 111 that is equipped with of recess 110, inductive switch 4 include the connecting rod 42 of being connected with connecting contact 41, and connecting rod 42 sets up inside recess 110, and the bottom and the spring 111 of connecting rod 42 are connected, and simultaneously, the bottom of connecting wire hole connection connecting rod 42 is worn to establish by the wire. The connecting rod 42 has conductivity, and in the present embodiment, the connecting rod 42 is a copper rod. Further, the connection bar 42 and the connection contact 41 are integrally formed.

When the conductive sheet 20 is separated from the connection contacts 41, the connection contacts 41 are protruded outwards under the action of the springs 111, when the conductive sheet 20 moves between the two connection contacts 41, the conductive sheet 20 applies a force to the two connection contacts 41 to separate from each other, but the connection rods 42 are still under the elastic force of the springs 111, so that the connection contacts 41 are kept in a state of abutting against the conductive sheet 20, and then, when the conductive sheet 20 moves, the connection rods 42 are under the elastic force of the springs 111, and the connection contacts 41 are popped out outwards and reset.

The connection contact 41 is a ball. The connection contacts 41 of the ball structure make the conductive sheet 20 more smoothly moved between the two connection contacts 41.

The working principle of the gear switch provided by the invention is as follows: gear handle 2 swings between the gear stop point of difference, and when swing one of them gear stop point, the voltage of transformer takes place corresponding change thereupon, and the pilot lamp 3 that this gear stop point corresponds is lighted simultaneously, solves the problem that the gear can not the on-the-spot affirmation, improves the verifiability of equipment machine account simultaneously to reduce the operation risk, improve work efficiency.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A range switch, comprising:

the device comprises a shell (1), wherein an accommodating cavity is formed in the shell (1);

the gear handle (2) is rotatably arranged on the surface of the shell (1), and a plurality of gear stopping points are arranged on the gear handle (2) along the rotating path of the gear handle; and

the indicating lamps (3) are arranged on the surface of the shell (1) and correspond to the gear stopping points, the colors of the indicating lamps (3) are different from each other, and the corresponding indicating lamps (3) are lightened when the gear handle (2) is at any gear stopping point.

2. An inhibitor switch according to claim 1, characterized in that the surface of the housing (1) is provided with an arc-shaped through hole (10) corresponding to the rotation path of the inhibitor handle (2);

gear handle (2) are equipped with stiff end and rotation end respectively along length direction's both ends, the stiff end sets up on shell (1), the rotation end is followed arc through-hole (10) stretch into in the holding chamber and relative the stiff end is rotatory.

3. The inhibitor switch of claim 2, further comprising:

the inductive switches (4) are arranged in the shell (1) and correspond to the gear stopping points one by one; and

a power supply (5);

wherein, on any gear stop point, the inductive switch (4), the power supply (5) and the indicator light (3) are connected in series, and the rotating end can turn on or off the inductive switch (4).

4. The inhibitor switch of claim 3,

two length edges of the accommodating cavity corresponding to the arc-shaped through hole (10) are respectively provided with an inner wall (11);

the induction switch (4) is provided with two connecting contacts (41), and the two connecting contacts (41) are respectively arranged between the two inner walls (11) and are spaced from each other;

the rotating end is provided with a conducting strip (20), and when the rotating end is located at the gear stopping point, the conducting strip (20) is abutted to the two connecting contacts (41).

5. An inhibitor switch according to claim 4, characterized in that said connection contact (41) is elastically arranged outside said inner wall (11) on the corresponding side, said connection contact (41) being compressed by said conductive plate (20) in a direction perpendicular to said inner wall (11);

and after the conducting strip (20) is separated from the connecting contact (41), the connecting contact (41) is ejected outwards.

6. The inhibitor switch according to claim 5, characterized in that the inner wall (11) is provided with a groove (110), the bottom of the groove (110) is provided with a connecting wire hole, and the groove (110) is internally provided with a spring (111);

inductive switch (4) still include with connecting rod (42) that connecting contact (41) are connected, connecting rod (42) set up the inside of recess (110), the bottom of connecting rod (42) with spring (111) are connected, and the wire wears to establish connecting wire hole and is connected to the bottom of connecting rod (42).

7. An inhibitor switch according to claim 6, characterized in that the connection contact (41) is provided as a sphere.

8. The inhibitor switch according to any of claims 3-6, characterized in that it further comprises:

the solar cell panel (6) is arranged on the surface of the shell (1); and

the storage battery is arranged in the accommodating cavity and is electrically connected with the solar cell panel (6) and the power supply (5) respectively.