CN111863503A - An electronic mechanical switch - Google Patents

Abstract

The invention relates to an electronic mechanical switch, which comprises a switch operation part, a switch mechanical positioning part, a switching part and an electronic control part which are sequentially connected from top to bottom, wherein the switch mechanical positioning part is used for realizing the orientation of a specific angle and a specific position of the switch operation part, and the switching part is used for converting mechanical action acting on the switch operation part into an electric signal and outputting the electric signal to the electronic control part. According to the electronic mechanical switch, the cam, the sliding block and the spring are combined to realize the orientation of a specific angle and position, the switching component realizes point-to-point connection through the conversion cam, the control plate and the spring type thimble, and mechanical action acting on the switch operation component is converted into an electric signal.

Description

An electronic mechanical switch

technical field

The invention belongs to the technical field of mechanical switches, and in particular relates to an electronic mechanical switch.

Background technique

At present, most of the master switches used in low-current and low-voltage control loops are mechanical structure plus contact combination mode. This combination will have contact oxidation phenomenon for a long time in harsh environments, resulting in the phenomenon that the control loop signal is blocked. , which will lead to the failure of the switch; since most of the contacts are silver alloys, they will oxidize when exposed to the air for a long time, which will cause the circuit to fail in the control loop of signal transmission.

SUMMARY OF THE INVENTION

In order to overcome the defect of short life due to poor contact due to the easy oxidation of metal contact pieces of mechanical switches in the above-mentioned prior art, the present application provides an electronic mechanical switch, which discloses a multi-speed mechanical switch. The control relay sends a signal to control the loop, and replaces the original exposed contact module to control the on-off; it also uses the mechanical structure to achieve the required gear, which is more accurate and reliable; when it rotates to the corresponding gear, it will trigger the control board The corresponding relay on the board works to achieve the output of the signal, and the relay has good sealing and stability; so as to ensure normal operation in the low-current and low-voltage loop, and the switch wiring method is connected by traditional screws. It has been changed to the form of a wire harness connector, which ensures the overall sealing and is easy to use and install.

In order to achieve the above purpose, the technical scheme of the application is:

An electronic mechanical switch, comprising a switch operating part, a switch mechanical positioning part, a switching part and an electronic control part connected in sequence from top to bottom, the switch mechanical positioning part is used to realize the orientation of a specific angle and position of the switch operating part , the transfer part is used to convert the mechanical action acting on the switch operating part into an electrical signal and output it to the electronic control part.

Its preferred technical solution is:

An electronic mechanical switch as described above, the mechanical positioning component of the switch includes a positioning disc, a positioning box and a positioning box cover that are clamped in sequence from top to bottom, the interior of the positioning box is a cavity, and the cavity is provided with There is a positioning sheet assembly sleeved on the lock cylinder, and a positioning structure sleeved on the lock cylinder and rotatable with the lock cylinder is arranged at the lower part of the positioning sheet assembly. The positioning structure includes a positioning cam and an edge. The positioning cam has a plurality of sets of slider-spring combination structures arranged at intervals in the circumferential direction.

An electronic mechanical switch as described above, the slider-spring combination structure includes a spline that rotates synchronously with the lock cylinder, a plurality of sliders that are clamped on the spline tooth slots, and one end is connected to the spline. The spring of the slider, the other end of the spring is constrained to the side wall of the positioning box.

An electronic mechanical switch as described above, the electronic control component includes a protection box and a control board located inside the protection box, the control board includes a disc-shaped connecting board and a control board located below the connecting board. an integrated board, at least one contact is provided on the connecting board, at least one relay unit is integrated on the integrated board, the contact is arranged in a one-to-one correspondence with the relay unit and is electrically connected, and the switching component is provided above the control board inside the protection box.

An electronic mechanical switch as described above, the transfer component includes a transfer box and a transfer cam, the top end of the transfer cam is fixedly connected with the switch mechanical positioning component, and the bottom end of the transfer cam A pogo pin is fixed relative to the center of the connecting plate, and is fixedly connected to one side of the transfer cam, and the end of the pogo pin can contact the contacts on the connecting board to trigger the corresponding relay unit.

In the above-mentioned electronic mechanical switch, the switch operating component is a handle mechanism or a key cylinder mechanism.

An electronic mechanical switch as described above, the switch operating component includes a connection sleeve and a lock cylinder installed in the connection sleeve and matched with a key, the lock sleeve is sleeved with a lock sleeve, and the connection sleeve is connected to the lock cylinder. The lock sleeve is provided with threads that cooperate with each other.

In the above-mentioned electronic mechanical switch, two locking struts are extended at the bottom of the protection box.

Beneficial effects:

(1) In an electronic mechanical switch of the present invention, the decorative ring, the threaded ring, the key and the lock cylinder parts are all made of brass, and the surface is chrome-plated, which not only improves the corrosion resistance of the lock head structure, but also increases the number of products aesthetics;

(2) An electronic mechanical switch of the present invention cleverly uses the positioning cam to drive the interaction between the slider and the spring, so that the rotation angle has a fixed angle. Combined with the slider and the spring to achieve the orientation of a specific angle and position; the switching part is connected by a switching cam, a control board and a spring-type thimble to achieve point-to-point connection, and convert the mechanical action acting on the switch operating part into an electrical signal. On the market, the contact form is used to achieve more stable signal transmission, which can realize more logical relationships and signal transmission that cannot be achieved by traditional mechanical contacts;

(3) In an electronic mechanical switch of the present invention, since the entire switch is almost in a fully enclosed environment, the wiring also uses aviation plugs with higher protection levels to replace the conventional screw wiring on the market, so that it can also be used under harsher environmental conditions. It can work normally, and there is almost no phenomenon that the signal circuit is blocked due to oxidation.

Description of drawings

1 is a schematic diagram of the overall structure of an electronic mechanical switch of the present invention;

2 is a schematic exploded view of the structure of a switch operating component of an electronic mechanical switch according to the present invention;

FIG. 3 is a schematic exploded view of the structure of a switch mechanical positioning component of an electronic mechanical switch according to the present invention;

4 is a schematic structural diagram of a switching component and an electronic control component of an electronic mechanical switch according to the present invention;

Among them, 1- switch operating part, 11- connection sleeve, 12- lock cylinder, 13- lock sleeve, 14- key, 2- switch mechanical positioning part, 21- positioning plate, 22- positioning box, 23- positioning box cover, 24-Positioning piece assembly, 25-Positioning cam, 26-Slider-spring combination structure, 3-Transfer part, 31-Transfer box, 32-Transfer cam, 33-Spring thimble, 4-Electronic control part, 41 -Protection box, 42-Control board, 421-Relay unit, 43-Locking strut, 44-Contact.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings.

Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope to those skilled in the art. Numerous specific details are set forth, such as examples of specific components, devices, and methods, to provide a thorough understanding of embodiments of the present invention. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that example embodiments should not be construed to limit the scope of the invention. In some example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.

The terminology used herein is for the purpose of describing specific example embodiments only and is not intended to be limiting. As used herein, the singular forms "a" and "the" may also be intended to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus specify the presence of stated features, integers, steps, operations, elements and/or components, but do not preclude the presence or addition of one or Various other features, integers, steps, operations, elements, components, and/or combinations thereof. Method steps, procedures, and operations described herein should not be construed as necessarily requiring that they be performed in the particular order discussed or illustrated, unless an order of performance is specifically indicated. It should also be understood that additional or alternative steps may be employed.

For ease of description, spatially relative terms such as "inner", "outer", "below", "below", "lower", "above", "upper", "center" etc. may be used herein to describe The relationship of one element or feature shown in the figures to one or more other elements or features. In addition to the orientation shown in the figures, spatially relative terms may be intended to encompass different orientations of the device in use or operation. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the specification, reference to the description of the terms "one embodiment", "preferably", "example", "specifically" or "some examples" etc. means the specific features, structures, structures, Materials or features included in at least one embodiment or example of the invention, and schematic representations of such terms in this specification are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "at least one" includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail below with reference to the accompanying drawings.

Referring to FIG. 1, an electronic mechanical switch according to an exemplary embodiment of the present invention is mainly used in low-current and low-voltage control circuits in the rail transit industry, ships and elevator industries, including switches connected in sequence from top to bottom The operating part 1, the switch mechanical positioning part 2, the switching part 3 and the electronic control part 4, the switch mechanical positioning part 2 is used to realize the orientation of the specific angle and position of the switch operating part 1, and the switching part 3 is used to The mechanical action acting on the switch operating part 1 is converted into an electrical signal and output to the electronic control part 4 .

In this embodiment, the switch operating member 1 can be a rotary handle mechanism or a key lock cylinder mechanism. Considering safety and reliability, and avoiding misoperation or being operated by a dedicated person, the switch operating member in this embodiment is preferably a key lock cylinder mechanism. Referring to FIG. 2 , the switch operating component 1 includes: a connecting sleeve 11 , the top of which is provided with a decorative ring, and the inner side wall of which is provided with internal threads; The core 12 is sleeved with a lock sleeve 13 , and the outer periphery of the upper end of the lock sleeve is provided with an outer thread matched with the inner thread of the decorative ring, so that the lock sleeve can be sleeved in the connecting sleeve 11 .

It should be noted that the key lock cylinder mechanism in this embodiment is the prior art, such as a pin lock with multiple groups of pins disclosed in the application number CN201820626146.0. The principle that the conventional key lock cylinder mechanism realizes the rotation of the key with the lock cylinder relative to the lock sleeve is as follows: the lock cylinder 12 of the key lock cylinder mechanism is provided with a key hole for the key 14 to be inserted into, and the lock sleeve 13 and the lock cylinder 12 are respectively provided with connected The upper pin hole and the lower pin hole are connected, the spring, the upper pin and the lower pin are arranged in sequence along the axis of the upper pin hole. Under the action of the spring, one end protrudes into the hole of the lower pin and abuts against the lower pin. The lower pin can move under the action of the key to push the upper pin to overcome the elastic force of the spring and move to the outer wall of the lock cylinder 12. The pin component is provided with Multiple, divided into two groups, each group includes at least three pin components, several pin components in the same group are arranged at intervals along the direction in which the key 14 is inserted into the key hole, and the key 14 is inserted into the key hole. Two planes, there are concave teeth on both planes, and the teeth on each plane are in one-to-one correspondence with the lower marbles in the two groups of marble assemblies. When the key is inserted into the keyhole in the forward or reverse direction , under the action of the corresponding spring, each lower pin can be bounced into one of the corresponding teeth in one of the planes, so that each upper pin can be circumscribed with the lock cylinder 12, and the lock cylinder 12 can rotate relative to the lock sleeve 13 at this time.

Please refer to FIG. 3 , in this embodiment, the switch mechanical positioning member 2 for realizing the orientation of the specific angle and position of the switch operating member 1 includes a positioning plate 21, a positioning box 22 and a positioning box cover 23 that are snapped from top to bottom in sequence. , the interior of the positioning box is a cavity, the cavity is provided with a positioning sheet assembly 24 sleeved on the lock cylinder 12, the positioning sheet assembly 24 is used to position the lock cylinder 12 and control the total angle of rotation, The lower part of the positioning piece assembly 24 is provided with a positioning structure sleeved on the lock cylinder 12 and rotatable with the lock cylinder 12 . Group slider-spring combination structure 26.

Specifically, the slider-spring combination structure 26 includes a spline that rotates synchronously with the lock cylinder, a plurality of sliders clamped on the spline tooth slots, and a spring whose one end is connected to the slider. The other end of the spring is constrained to the side wall of the positioning box 21 .

The principle of the switch mechanical positioning component to realize the orientation of the specific angle and position of the switch operating component is further explained below: Since the lock cylinder and the slider in the switch operating component 1 are connected together by splines, when the lock cylinder 12 rotates, it drives the positioning The cam 25 rotates, and the slider is squeezed by the rotation of the positioning cam 25, so that the slider performs a linear motion of the compression spring under the constraint of the positioning box 22 and the groove of the positioning box cover 23, so as to achieve the function of rotating to various angles. . The rotational angle stroke of the switch operating member is determined by the joint limit of the positioning piece assembly 24 and the positioning box 22 .

Referring to FIG. 4 , in this embodiment, the electronic control component 4 includes a protection box 41 and a control board 42 located inside the protection box 41 , and the control board 42 includes a disc-shaped connecting plate and a The integrated board below the connection board, the connection board is provided with at least one contact 44, the integrated board is integrated with at least one relay unit 421, the contact 44 is arranged in a one-to-one correspondence with the relay unit 421 and is electrically connected. For connection, the adapter member 3 is arranged above the control board 42 inside the protection box 41 .

Please continue to refer to FIG. 4 , the adapter part 3 includes adapter boxes 31 and 332 , wherein the upper end and the lower end of the inner side wall of the adapter box 31 are respectively provided with threads for matching with the positioning box 21 and the protection box 41 , and then The switch operating part 1 , the switch mechanical positioning part 2 , the switching part 3 and the electronic control part 4 are connected together from top to bottom. The top end of the transfer cam 32 is fixedly connected with the switch mechanical positioning part 1 , and specifically, the top end of the transfer cam 32 is fixedly connected with the bottom end of the spline, so that the transfer cam 32 can follow the switch operating part 1 . The bottom end of the adapter cam 32 is relatively fixed with the center of the connecting plate, and a pogo pin 33 is fixedly connected to one side of the adapter cam 32, and the end of the pogo pin 33 can be connected with the The contacts 44 come into contact and then trigger the corresponding relay unit 421 , thereby converting the mechanical action of the switch operating component 1 into an electrical signal and outputting it to the electronic control component.

In the above-mentioned transfer part, the point-to-point connection is realized by the conversion cam 32, the connecting plate and the spring thimble 33, and the above-mentioned mechanical action is converted into a signal command and output to the electronic control part below, and the transfer part 3 plays a role here. replacement effect. When in use, when the switch operating part 1 completes a specific angle of rotation under the control of the switch mechanical positioning part 2, the relay unit 421 corresponding to the gear position will be triggered, so as to achieve the output of converting the mechanical action into an electrical signal. The relay unit 421 is used because the relay unit has good sealing and stability; thus, it can work normally in a low-current and low-voltage loop. This multi-position mechanical control relay sends a signal to control the circuit, which can replace the original exposed contact module to control the on-off. Precise and reliable.

In some preferred embodiments, the bottom of the protection box 41 is extended with two locking struts 43 to facilitate the installation of the electronic mechanical switch in a low current and low voltage control loop.

Claims (8)

1. An electronic mechanical switch, characterized in that it comprises a switch operating part, a switch mechanical positioning part, a switching part and an electronic control part sequentially connected from top to bottom, and the switch mechanical positioning part is used to realize the switch operating part Orientation at a specific angle and position, the transfer part is used to convert the mechanical action acting on the switch operating part into an electrical signal and output to the electronic control part. 2 . The electronic mechanical switch according to claim 1 , wherein the mechanical positioning component of the switch comprises a positioning disc, a positioning box and a positioning box cover that are clamped in sequence from top to bottom, and the inside of the positioning box is 2 . is a cavity, the cavity is provided with a positioning piece assembly sleeved on the lock cylinder, and a positioning structure sleeved on the lock cylinder and can be rotated together with the lock cylinder is located at the lower part of the positioning piece assembly, The positioning structure includes a positioning cam and a plurality of sets of slider-spring combination structures arranged at intervals along the circumference of the positioning cam. 3 . The electronic mechanical switch according to claim 2 , wherein the slider-spring combined structure comprises a spline that rotates synchronously with the lock cylinder, and is clamped in the spline tooth slot. 4 . Several sliders on the upper part and a spring whose one end is connected to the slider, and the other end of the spring is constrained to the side wall of the positioning box. 4. An electronic mechanical switch according to claim 1, wherein the electronic control component comprises a protection box and a control board located inside the protection box, and the control board comprises a disc-shaped connection A board and an integrated board located under the connection board, the connection board is provided with at least one contact, the integrated board is integrated with at least one relay unit, the contacts are arranged in a one-to-one correspondence with the relay unit and For electrical connection, the adapter component is arranged above the internal control board of the protection box. 5 . The electronic mechanical switch according to claim 4 , wherein the transfer component comprises a transfer box and a transfer cam, and the top end of the transfer cam is fixedly connected to the switch mechanical positioning component. 6 . , the bottom end of the adapter cam is relatively fixed with the center of the connecting plate, and a pogo pin is fixedly connected to one side of the adapter cam, and the end of the pogo pin can be in contact with the contacts on the connecting plate to trigger the corresponding relay unit. 6 . The electronic mechanical switch according to claim 1 , wherein the switch operating component is a handle mechanism or a key cylinder mechanism. 7 . 7 . The electronic mechanical switch according to claim 1 , wherein the switch operating component comprises a connection sleeve and a lock cylinder installed in the connection sleeve and matched with the key, and the lock cylinder is sleeved with a lock cylinder. 8 . A lock sleeve is provided with threads that cooperate with each other on the connection sleeve and the lock sleeve. 8 . The electronic mechanical switch according to claim 1 , wherein two locking struts are extended from the bottom of the protection box. 9 .

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