CN212694566U

CN212694566U - Wired voice pedal control equipment

Info

Publication number: CN212694566U
Application number: CN202021031417.1U
Authority: CN
Inventors: 李怀君; 刘兴华; 朱万里; 王东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-12
Anticipated expiration: 2030-06-08

Abstract

The utility model belongs to the technical field of electronic control equipment, solved and listened the technical problem that the training both hands are occupied among the prior art of copying, provided a wired pronunciation pedal control equipment, including installation casing and setting up control module and the power supply module in installation casing inside, be equipped with the connection serial ports on the installation casing, the power output end and the power supply module of connecting the serial ports are connected, the signal output end and the control module of connecting the serial ports are connected, installation casing upper surface is equipped with middle pedal key and the side pedal key that is located middle pedal key both sides; the upper surface of installation casing is stepped on the position of key to the corresponding side and has been seted up and is stepped on the key through-hole, the key is stepped on to the side and is the triangle-shaped structure, and the acute angle end that the key was stepped on to this side is articulated with the lateral wall of stepping on the key through-hole, the free end that the key was stepped on to the side slides and sets up in stepping on the key through-hole, the key free end is stepped on to the side is equipped with the backup. Wired pronunciation foot control equipment have liberation both hands, advantage that the operation is convenient.

Description

Wired voice pedal control equipment

Technical Field

The utility model relates to an electronic control equipment field especially relates to a wired pronunciation pedal control equipment.

Background

When a microcomputer is used for listening and reading a foreign language, fast forward, fast backward, playing, ringing and the like of a voice file are all controlled by hands, and character input and the like are also needed by hands, so that the device is extremely inconvenient, and the hands cannot be liberated from the control of the voice file, and therefore a novel device is needed for improving the training convenience.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a wired pronunciation pedal control equipment for solve listen to copy the technical problem that training both hands are occupied.

The embodiment of the utility model provides a wired pronunciation pedal control equipment, including installation casing and setting at inside control assembly and the power supply module of installation casing, be equipped with on the installation casing and connect the serial ports, the power output end and the power supply module of connecting the serial ports are connected, the signal output part and the control assembly of connecting the serial ports are connected, the key is stepped on in the middle of installing casing upper surface and the key is stepped on with the side that is located middle pedal key both sides.

The installation shell is characterized in that a pedal key through hole is formed in the upper surface of the installation shell corresponding to the position of the side pedal key, the side pedal key is of a triangular structure, the acute angle end of the side pedal key is hinged to the side wall of the pedal key through hole, the free end of the side pedal key is arranged in the pedal key through hole in a sliding mode, a supporting plate is arranged right below the free end of the side pedal key, the supporting plate is fixedly connected with the inner side face of the installation shell, a first spring is connected between the free end of the side pedal key and the supporting plate, a side movable contact is arranged on the lower portion of the free end of the side pedal key, a side fixed contact arranged on the inner bottom surface of the installation shell is arranged below the supporting plate corresponding to the position of the movable contact, and the.

The installation shell is characterized in that a stress plate is arranged on the inner top surface of the installation shell corresponding to the middle step key, a middle moving contact is arranged on the lower surface of the stress plate, an installation plate is arranged under the stress plate, a second spring is connected between the stress plate and the installation plate, and a middle fixed contact is arranged on the installation plate corresponding to the middle moving contact.

In the structure, the equipment is placed on the ground, the equipment is connected with the microcomputer through the connecting serial port and the data line, the connecting serial port realizes the power supply of the equipment by utilizing the serial port electricity stealing technology, so that an external power supply is not needed, the control assembly detects the on-off condition of three micro switches (namely a middle pedal key and two side pedal keys), the correct detection of the switches is realized by utilizing the jitter technology, and the detection result is sent to the upper computer program of the microcomputer through the connecting serial port; a voice file playing program sent to a microcomputer in real time, wherein the device adopts an ABS plastic shell, and a built-in first spring and two second springs respectively and correspondingly support a middle step key and a side step key; when the middle pedal key is pressed down by a pedal, the shell at the middle part of the installation shell is sunken downwards and drives the stress plate to move downwards, so that the middle movable contact is contacted with the middle fixed contact, the command control of the middle pedal key is realized, then the stress plate moves upwards by the second spring, and the middle pedal key returns to the right position; when the side stepping key is stepped, the free end of the side stepping key rotates downwards to enable the side moving contact to be contacted with the side fixed contact, so that the command control of the side stepping key is realized, and the first spring enables the side stepping key to return to the original position; the control component sends instructions to the microcomputer through the connecting serial port according to the on-off conditions of the three microswitches so as to realize fast forward, fast backward, playback and ring listening control of the voice files.

Preferably, the control assembly comprises a single chip microcomputer, the power supply assembly comprises a diode and a voltage-regulator tube, the power output end connected with the serial port is connected with the power input end of the diode, the power output end of the diode is connected with the power input end of the voltage-regulator tube, the power output end of the voltage-regulator tube is connected with the power input end of the control assembly, and the power supply assembly provides electric energy for the electric assembly.

The single chip microcomputer detects the on-off conditions of the three micro switches, realizes correct detection of the switches by using a jitter technology, and sends a detection result to a microcomputer upper computer program through a serial port; the diode and the voltage regulator tube play a role in stabilizing the input voltage.

Preferably, the mounting case is provided with a harness collection boss for a harness.

The wire harness collecting lug boss can collect and collect the wires in the installation shell, and the wires are prevented from being scattered.

Preferably, a friction pad is arranged on the bottom surface of the mounting shell.

The friction pad plays a role in friction fixation and plays a certain role in shock absorption.

Preferably, a plurality of radiating grooves are formed in the bottom surface of the mounting shell, the number of the friction pads is four, the friction pads are distributed at four corners of the mounting shell, and a gap for radiating heat is formed between every two adjacent friction pads.

The radiating grooves play a role in radiating heat of the equipment, meanwhile, the friction force between the mounting shell and the placing surface is increased, and the gaps among the friction pads contribute to heat dissipation.

Preferably, the below of installation casing is equipped with the roof, the roof can be dismantled with the installation casing and be connected, the roof below is equipped with the bottom plate, roof one end is articulated with the bottom plate, the one end of keeping away from articulated department on the bottom plate articulates there is rotation support piece, be equipped with a plurality of draw-in grooves on the bottom surface of roof, rotation support piece's free end cooperatees with the draw-in groove.

The top plate is connected with the mounting shell, the top plate is rotated to a proper angle, and the top plate is supported by rotating the matching of the supporting piece and the clamping groove.

Preferably, the hinged end of the top plate is provided with a hinged rotating rod, and the top plate is provided with a positioning hole which is used for being connected with the mounting shell in a matched mode.

The hinged rotating rod is beneficial to hinging the top plate and the bottom plate, and the positioning hole is beneficial to positioning and connecting the top plate and the mounting shell.

Preferably, the upper surface of the installation shell is provided with an indicator light.

The indicator light is used for displaying the working state of the equipment and the state display of the stepping microswitch.

To sum up, the utility model has the advantages that:

1. the wired voice foot control equipment provided by the embodiment of the utility model can realize the control of fast forward, fast backward, playback and ring listening of voice files by foot pedal, liberates both hands and is more convenient to use;

2. the working state of the equipment can be indicated through the arrangement of the indicator lamp;

3. the turning device composed of the top plate and the bottom plate is beneficial to adjusting the angle of the equipment.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

Fig. 1 is a plan view of embodiment 1 of the present invention;

fig. 2 is a rear view of embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

fig. 4 is a bottom view of embodiment 1 of the present invention;

fig. 5 is a side view of the present invention in embodiment 2 with a turnover mechanism;

fig. 6 is a schematic structural view of the top plate in embodiment 2 of the present invention;

fig. 7 is a plan view of embodiment 3 of the present invention.

Parts and numbering in the drawings: 1. A bunch collection boss; 2. connecting a serial port; 3. a middle pedal key; 4. a side stepping key; 5. an anti-slip stripe mat; 6. installing a shell; 7. a step key through hole; 8. a control component; 9. a first spring; 10. a support plate; 11. a side moving contact; 12. side fixed contact points; 13. a friction pad; 14. mounting a plate; 15. a middle fixed contact; 16. a second spring; 17. a middle moving contact; 18. a stress plate; 19. a heat sink; 20. an indicator light; 21. a top plate; 22. a base plate; 23. rotating the support member; 24. a card slot; 25. positioning holes; 26. a hinged rotating rod; 27. a power supply assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the various features of the present disclosure and embodiments may be combined with each other and are within the scope of the present disclosure.

Example 1:

please refer to fig. 1-4, the embodiment of the present invention provides a wired voice pedal control device, including an installation casing 6 which is a plate-shaped cuboid, and a control component 8 and a power supply component 27 which are arranged inside the installation casing 6, a connection serial port 2 is arranged on the side of the

installation casing

6, 4 feet (DTR) and 7 feet (RTS) RS232 voltage of the connection serial port 2 are connected with the power supply component 27, the signal output end of the connection serial port 2 is connected with the control component 8, a middle pedal key 3 and a side pedal key 4 which is located at two sides of the middle pedal key 3 are arranged on the upper surface of the installation casing 6.

The position that the key 4 was stepped on to the corresponding side in upper surface of installation casing 6 has been seted up and has been stepped on key through-hole 7, the key 4 is the triangle-shaped structure is stepped on to the side, the acute angle end that the key 4 was stepped on to this side is articulated with the lateral wall of stepping on key through-hole 7, the free end that the key 4 was stepped on to the side slides and sets up in stepping on key through-hole 7, it is equipped with backup pad 10 to step on the side under the key 4 free end, backup pad 10 is the C-shaped board of back-off, backup pad 10 and installation casing 6 medial surface fixed connection, it is connected with first spring 9 to step on the free end of key 4 and backup pad 10 to incline, the lower part that the key 4 free end was stepped on to the side is equipped with side movable contact 11, the position that the movable contact was corresponded to the backup pad.

The inner top surface of the mounting shell 6 corresponding to the position of the middle pedal key 3 is provided with a stress plate 18, the stress plate 18 can bear the pedal acting force on the surface of the mounting shell 6 at the position of the middle pedal key 3, the lower surface of the stress plate 18 is provided with a middle movable contact 17, a mounting plate 14 is arranged right below the stress plate 18, a second spring 16 is connected between the stress plate 18 and the mounting plate 14, the second spring 16 is larger than the first spring 9, and the mounting plate 14 is provided with a middle fixed contact 15 corresponding to the position of the middle movable contact 17.

The control assembly 8 comprises a single chip microcomputer, the model of the single chip microcomputer is SM8952A, the power supply assembly 27 comprises a diode and a 5.1V voltage-stabilizing tube, the power output end connected with the serial port 2 is connected with the power input end of the diode, the power output end of the diode is connected with the power input end of the voltage-stabilizing tube, the power output end of the voltage-stabilizing tube is connected with the power input end of the control assembly 8, and the power supply assembly 27 provides electric energy for the electric components.

The single chip microcomputer detects the on-off conditions of the three micro switches, realizes correct detection of the switches by using a jitter technology, and sends a detection result to a microcomputer upper computer program through a serial port; the diode and the voltage regulator tube play a role in stabilizing the input voltage. The serial TTL level of the single chip microcomputer is converted into RS232 level through MAX232CPE and is sent to the microcomputer data.

The mounting case 6 is provided with a harness collecting boss 1 for a harness, and the inside of the boss is a harness groove in which electric wires are collected.

A friction pad 13 is bonded to the bottom surface of the mounting case 6. The friction pad 13 plays a role of friction fixing and plays a certain role of shock absorption. The bottom surface of the mounting shell 6 is provided with a plurality of heat dissipation grooves 19, the number of the friction pads 13 is four, the friction pads 13 are distributed at four corners of the mounting shell 6, and the friction pads 13 are L-shaped. A space for heat dissipation is provided between the adjacent friction pads 13.

In the structure, the equipment is placed on the ground, the equipment is connected with a microcomputer through the connecting serial port 2 and the data line, the connecting serial port 2 utilizes the serial port electricity stealing technology to realize the power supply of the equipment, so that an external power supply is not needed, the control component 8 detects the on-off condition of three micro switches (namely the middle pedal key 3 and the two side pedal keys 4), the correct detection of the switches is realized by utilizing the jitter technology, and the detection result is sent to a program of an upper computer of the microcomputer through the connecting serial port 2; a voice file playing program sent to a microcomputer in real time, the device adopts an ABS plastic shell, and a built-in first spring 9 and two second springs 16 respectively and correspondingly support a middle step key 3 and a side step key 4; when the middle pedal key 3 is pedaled, the shell of the middle part of the mounting shell 6 is sunken downwards and drives the stress plate 18 to move downwards, so that the middle movable contact 17 is contacted with the middle fixed contact 15, thereby realizing the command control of the middle pedal key 3, and then the second spring 16 enables the stress plate 18 to move upwards, and the middle pedal key 3 returns to the right; when the side stepping key 4 is stepped, the free end of the side stepping key 4 rotates downwards, so that the side moving contact 11 is contacted with the side fixed contact 12, the command control of the side stepping key 4 is realized, and the first spring 9 enables the side stepping key 4 to return to the original position; the control component 8 sends instructions to the microcomputer through the connecting serial port 2 according to the on-off conditions of the three microswitches so as to realize fast forward, fast backward, playback and ring listening control of the voice files. The heat dissipation grooves 19 serve to dissipate heat from the apparatus while increasing the frictional force between the mount case 6 and the mounting surface, and the space between the friction pads 13 contributes to heat dissipation. The wire harness collection boss 1 can collect the wires inside the mounting case 6, and prevent the wires from scattering.

Example 2:

referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that a top plate 21 is installed below the installation housing 6, the top plate 21 is detachably connected to the installation housing 6, a bottom plate 22 is installed below the top plate 21, the left end of the top plate 21 is hinged to the left end of the bottom plate 22, the right end of the bottom plate 22 is hinged to a rotary support 23, four slots 24 are formed in the bottom surface of the top plate 21, and the free end of the rotary support 23 is matched with the slots 24. The rotating support member 23 is of a plate-shaped structure, the free end of the rotating support member 23 is clamped into the clamping groove 24, the hinged end of the top plate 21 is provided with a hinged rotating rod 26, and the top plate 21 is provided with a positioning hole 25 which is used for being connected with the mounting shell 6 in a matched mode.

The top plate 21 is connected with the mounting shell 6, the top plate 21 is rotated to a proper angle, and the top plate 21 is supported by the cooperation of the rotating support piece 23 and the clamping groove 24. The hinged rod 26 facilitates the hinging of the top plate 21 with the bottom plate 22, and the positioning hole 25 facilitates the positioning connection of the top plate 21 with the mounting housing 6.

Embodiment 2 the rest of the structure and the working principle are the same as those of embodiment 1.

Example 3:

as shown in fig. 7, in the present embodiment, in addition to embodiment 1, four indicator lamps 20 are provided on the upper surface of the mounting case 6. The indicator lamp 20 is used for displaying the working state of the device and the state display of the stepping micro switch. Wherein, the left side indicates the power on-off, and the other three indicator lights 20 respectively correspond to the left foot key 4, the middle foot key 3 and the right foot key 4.

Embodiment 3 the rest of the structure and its operation principle are the same as those of embodiment 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A wired voice pedal control device is characterized by comprising an installation shell, a control assembly and a power supply assembly, wherein the control assembly and the power supply assembly are arranged in the installation shell;

the upper surface of the mounting shell is provided with a pedal key through hole corresponding to the position of the side pedal key, the side pedal key is of a triangular structure, the acute angle end of the side pedal key is hinged with the side wall of the pedal key through hole, the free end of the side pedal key is slidably arranged in the pedal key through hole, a support plate is arranged right below the free end of the side pedal key, the support plate is fixedly connected with the inner side surface of the mounting shell, a first spring is connected between the free end of the side pedal key and the support plate, the lower part of the free end of the side pedal key is provided with a side movable contact, a side fixed contact arranged on the inner bottom surface of the mounting shell is arranged below the support plate and corresponding to the position of the movable contact, and the side movable contact penetrates through the support plate and;

2. The wired voice foot control device according to claim 1, wherein the control component comprises a single chip microcomputer, the power supply component comprises a diode and a voltage regulator tube, a power output end connected with a serial port is connected with a power input end of the diode, a power output end of the diode is connected with a power input end of the voltage regulator tube, a power output end of the voltage regulator tube is connected with a power input end of the control component, and the power supply component supplies electric energy to the electric components.

3. The wired voice foot control device of claim 2, wherein the mounting housing is provided with a harness collection boss for a harness.

4. The wired voice foot control device according to any one of claims 1-3, wherein a bottom surface of the mounting housing is provided with a friction pad.

5. The wired voice foot control device according to claim 4, wherein the bottom surface of the mounting housing is provided with a plurality of heat dissipation grooves, the number of the friction pads is four, the friction pads are distributed at four corners of the mounting housing, and a gap for heat dissipation is formed between adjacent friction pads.

6. The wired voice foot control device according to claim 1, wherein a top plate is arranged below the mounting housing, the top plate is detachably connected with the mounting housing, a bottom plate is arranged below the top plate, one end of the top plate is hinged to the bottom plate, one end of the bottom plate, which is far away from the hinged position, is hinged to a rotating support member, a plurality of clamping grooves are formed in the bottom surface of the top plate, and free ends of the rotating support member are matched with the clamping grooves.

7. The wired voice foot control device according to claim 6, wherein the hinged end of the top plate is provided with a hinged rotating rod, and the top plate is provided with a positioning hole for matching and connecting with the mounting housing.

8. The wired voice foot control device of claim 1, wherein an indicator light is provided on an upper surface of the mounting housing.