CN113422992B

CN113422992B - Remote controller and electronic system

Info

Publication number: CN113422992B
Application number: CN202110675331.5A
Authority: CN
Inventors: 李子朝; 苗成涛; 郭茹萍
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2023-03-21
Anticipated expiration: 2041-06-17
Also published as: CN113422992A

Abstract

The invention discloses a remote controller and an electronic system, wherein the remote controller comprises a shell, a mainboard and a voice module, the shell is provided with an installation cavity and a plurality of sound receiving holes communicated with the installation cavity, the mainboard is arranged in the installation cavity, the voice module comprises a plurality of microphone structures, the plurality of microphone structures are arranged at intervals and are electrically connected with the mainboard to form a microphone array, and each microphone structure is arranged corresponding to one sound receiving hole. The invention aims to provide a remote controller capable of effectively improving voice recognition performance, which improves the pickup accuracy, realizes far-field pickup, realizes noise self-adaptation and reduces the influence of noise in the environment on voice recognition.

Description

Remote controller and electronic system

Technical Field

The invention relates to the technical field of remote control equipment, in particular to a remote controller and an electronic system applying the same.

Background

With the rapid development of science and technology, electronic devices become more and more intelligent, such as home televisions and the like, and remote controllers corresponding to the electronic devices are not limited to key functions, but are added with functions such as voice assistants and touch functions. In the related art, the remote controller mainly uses a single microphone for picking up sound, and can only realize close-range voice recognition, when a user is too far away from the microphone, the microphone cannot capture the voice, or the noise in the environment is mistakenly recognized as the voice, so that the voice recognition performance of the remote controller is directly influenced.

Disclosure of Invention

The invention mainly aims to provide a remote controller and an electronic system, aiming at providing a remote controller which can effectively improve the voice recognition performance, improve the pickup accuracy, realize far-field pickup, realize noise self-adaptation and reduce the influence of noise in the environment on voice recognition.

In order to achieve the above object, the present invention provides a remote controller, including:

the device comprises a shell, a sound receiving hole and a sound transmitting hole, wherein the shell is provided with an installation cavity and a plurality of sound receiving holes communicated with the installation cavity;

the main board is arranged in the mounting cavity; and

the voice module comprises a plurality of microphone structures which are arranged at intervals and electrically connected with the main board to form a microphone array, and each microphone structure corresponds to one sound receiving hole.

In an embodiment, the casing is provided with two sound receiving holes, the two sound receiving holes are a first sound receiving hole and a second sound receiving hole, the voice module includes two microphone structures, the two microphone structures are a first microphone structure and a second microphone structure, both the first microphone structure and the second microphone structure are electrically connected to the main board to form a dual-microphone array, the first microphone structure is disposed corresponding to the first sound receiving hole, and the second microphone structure is disposed corresponding to the second sound receiving hole.

In an embodiment, the housing is further provided with a mounting hole communicated with the mounting cavity, the first sound receiving hole and the second sound receiving hole are located on two sides of the mounting hole, and the first sound receiving hole and the second sound receiving hole are respectively connected with the center of the mounting hole in an obtuse angle;

the remote controller further comprises a touch assembly, the touch assembly is arranged at the mounting hole and is electrically connected with the mainboard, and a touch surface is formed on one side of the touch assembly, which faces away from the mainboard.

In an embodiment, the remote controller further includes a key assembly, the key assembly includes a key plate and a metal plate, the key plate is disposed on one side of the main board facing the mounting hole, the key plate is provided with a deformation portion, the metal plate is attached to the main board and located between the main board and the key plate, the metal plate is provided with a deformation convex hull corresponding to the deformation portion, the deformation portion is provided with an abutting protrusion abutting against the deformation convex hull, and the touch assembly is movably disposed in the mounting hole and abutted against the deformation portion;

when the touch surface is pressed, the touch assembly extrudes the deformation part and the deformation convex hull to deform.

In one embodiment, the deformation portion includes a deformation protrusion and a plurality of support protrusions, the plurality of support protrusions are arranged around the deformation protrusion, the deformation convex hull is arranged corresponding to the deformation protrusion, and the deformation protrusion is provided with the abutting protrusion;

the touch assembly is convexly provided with a pressing boss corresponding to the deformation bulge, the touch assembly is also convexly provided with a supporting boss corresponding to each supporting bulge, and each supporting boss is abutted against one supporting bulge;

when the touch surface is pressed, the pressing bosses extrude the deformation bulges and the deformation convex hulls to deform, and each supporting boss extrudes one supporting bulge to deform.

In an embodiment, the key board further has a plurality of keys, the plurality of keys are arranged at intervals and electrically connected to the main board, the housing has a key hole corresponding to each key, each key penetrates through one key hole and protrudes out of the key hole, the first sound receiving hole is located on one side of the plurality of key holes facing away from the mounting hole, and the center of the first sound receiving hole, the center of one key hole and the center of the mounting hole are located on the same straight line;

and/or, the touch subassembly includes touch pad, touch circuit board and apron, the touch pad activity is worn to locate in the mounting hole, the touch pad has the touch surface, the touch pad dorsad one side of touch surface is equipped with the mounting groove, touch circuit board locates in the mounting groove, and with the mainboard electricity is connected, the apron lid closes the notch of mounting groove, the apron dorsad one side of mounting groove is equipped with press the boss with support the boss.

In an embodiment, the housing is further provided with a self-locking hole communicated with the mounting cavity, the self-locking hole is located on one side of the mounting hole, which is far away from the first sound-absorbing hole, and is arranged adjacent to the second sound-absorbing hole, and the center of the self-locking hole, the center of the mounting hole and the center of the first sound-absorbing hole are located on the same straight line;

the remote controller further comprises a self-locking key arranged at the self-locking hole, the self-locking key is electrically connected with the main board, and the self-locking key can control the voice module to be closed and opened.

In one embodiment, the main board is provided with a through hole corresponding to the mounting hole, and the self-locking key comprises:

the support is connected with one side of the main board, which is back to the mounting hole, and is arranged corresponding to the through hole;

the circuit board is arranged on the bracket;

the elastic pieces are arranged around the through hole at intervals and are connected with the main board and the circuit board;

one end of the self-locking main body penetrates through the through hole to be connected with the circuit board, and the other end of the self-locking main body is provided with a push rod; and

the keycap is movably arranged in the self-locking hole in a penetrating way and is connected with the push rod;

and the keycap is pressed to push the push rod, so that the self-locking main body controls the voice module to be closed and opened.

In an embodiment, the remote controller further includes a plurality of dust screens, each dust screen is sandwiched between the inner wall of the mounting cavity and the microphone structure, and covers the acoustic hole;

and/or the remote controller also comprises a power supply arranged in the mounting cavity, wherein the power supply is arranged at intervals with the mainboard and is electrically connected with the mainboard;

and/or, the casing still is equipped with the intercommunication the installation port of installation cavity, the remote controller still including locating the interface of installation port department, the interface with the mainboard electricity is connected.

The invention also provides an electronic system which comprises a terminal and the remote controller, wherein the remote controller is in signal connection with the terminal.

According to the technical scheme, the mounting cavity is formed in the shell, so that the mounting cavity is conveniently used for mounting and fixing the mainboard, and the mainboard is protected; through set up a plurality of sound receiving holes of intercommunication installation cavity on the casing, and set up voice module, make voice module include a plurality of microphone structures, and a plurality of microphone structure interval sets up, and be connected with the mainboard electricity, in order to form the microphone array, thereby make each microphone structure correspond a sound receiving hole setting, the microphone array that so forms through a plurality of microphone structures is in certain angle and distance range, satisfy the wave beam formation algorithm requirement, realize that the remote controller still can pick up the human voice under far away distance, can also realize noise self-adaptation simultaneously and handle, restrain the influence of noise in the environment to discernment human voice, really realize far field pickup, make the rate of accuracy of remote controller far field pickup can reach more than 90% @2.7m.

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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a remote controller according to an embodiment of the present invention;

FIG. 2 is an exploded view of a remote controller according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a remote controller according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a front housing according to an embodiment of the present invention;

FIG. 6 is an exploded view of a touch assembly according to an embodiment of the invention;

fig. 7 is a schematic structural diagram illustrating connection between a keypad and a voice module according to an embodiment of the present invention;

fig. 8 is an exploded view of the main board and the self-locking button according to an embodiment of the invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Remote controller	43	Cover plate
1	Shell body	431	Pressing boss
				1a	Mounting cavity	432	Support boss
11	Front shell	5	Key assembly
				111	Sound receiving hole	51	Key sheet
1111	First acoustic hole	511	Deformation part
				1112	Second acoustic hole	5111	Deformation bulge
112	Mounting hole	5112	Supporting projection
				113	Key hole	5113	Abutting projection
114	Self-locking hole	512	Push-button
				115	Mounting port	52	Metal plate
12	Rear shell	521	Deformation convex hull
				2	Main board	6	Self-locking key
21	Through hole	61	Support frame
				3	Voice module	62	Circuit board
31	Microphone structure	63	Spring piece
				32	First microphone structure	64	Self-locking main body
33	Second microphone structure	641	Push rod
				4	Touch assembly	65	Key cap
41	Touch panel	7	Dust-proof net
				411	Touch surface	8	Power supply
412	Mounting groove	9	Interface
				42	Touch circuit board

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Also, the meaning of "and/or" and/or "appearing throughout is meant to encompass three scenarios, exemplified by" A and/or B "including scenario A, or scenario B, or scenarios where both A and B are satisfied.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Based on the above-mentioned conception and problems, the present invention provides a remote controller 100. It will be appreciated that the remote control 100 is used to control the operation of the display terminal in the electronic system, thereby implementing operations such as APP, game or function control. The electronic system may be a smart television, a smart air conditioner, etc., which is not limited herein. In this embodiment, the remote controller 100 and the electronic system may be connected by wire or wirelessly, and when the remote controller 100 and the electronic system are connected by wireless, the remote controller may be connected by infrared signals, bluetooth, wiFi, or the like, which is not limited herein.

Referring to fig. 1 to 5, in an embodiment of the present invention, the remote controller 100 includes a housing 1, a main board 2 and a voice module 3, wherein the housing 1 has a mounting cavity 1a and a plurality of sound receiving holes 111 communicated with the mounting cavity 1a, the main board 2 is disposed in the mounting cavity 1a, the voice module 3 includes a plurality of microphone structures 31, the plurality of microphone structures 31 are disposed at intervals and electrically connected to the main board 2 to form a microphone array, and each microphone structure 31 is disposed corresponding to one of the sound receiving holes 111.

In this embodiment, the housing 1 is used to mount, fix and support the main board 2 and the voice module 3, i.e. the housing 1 provides a mounting base for the main board 2 and the voice module 3. It can be understood that the housing 1 may be an integral structure or a separate structure. In order to realize the installation and protection of the main board 2 and the voice module 3, a mounting cavity 1a is formed in the housing 1, and the mounting cavity 1a can be selected to be of a closed cavity structure, so that the waterproof performance and the sealing performance of the remote controller 100 are improved.

It can be understood that, as shown in fig. 2 and 3, the housing 1 includes a front shell 11 and a rear shell 12, that is, the housing 1 is formed by connecting the front shell 11 and the rear shell 12 in a split manner, so that the front shell 11 and the rear shell 12 enclose to form a mounting cavity 1a. In order to facilitate the disassembly, assembly, maintenance, and the like of the remote controller 100, the front shell 11 and the rear shell 12 of the housing 1 may be connected into a whole by a detachable connection manner, for example, a snap connection, a plug fit, a screw connection, a pin connection, and the like, which is not limited herein.

In this embodiment, a sound receiving hole 111 is formed in the front shell 11 of the housing 1, and the voice module 3 is disposed, so that the voice module 3 is electrically connected to the main board 2 and disposed corresponding to the sound receiving hole 111, and after the voice module 3 is used to achieve sound pickup through the sound receiving hole 111, the voice signal is converted into an electric signal and transmitted to the main board 2, so as to control the remote controller 100 or control a terminal through the remote controller 100, and the like, so that the remote controller 100 achieves a voice assistant function.

As shown in fig. 1, fig. 2, fig. 3, fig. 5 and fig. 7, the housing 1 is provided with a plurality of acoustic holes 111, the voice module 3 includes a plurality of microphone structures 31, such that the plurality of microphone structures 31 are arranged at intervals and electrically connected to the main board 2, such that the plurality of microphone structures 31 form a microphone array, and each microphone structure 31 is arranged corresponding to one acoustic hole 111, such that the microphone array formed by the plurality of microphone structures 31 can meet the requirement of a beam forming algorithm within a certain angle and distance range, such that the remote controller can still pick up human voice at a longer distance, and simultaneously, noise adaptive processing can be implemented, influence of noise in the environment on human voice recognition is suppressed, far-field sound pickup is really implemented, and accuracy of far-field sound pickup of the remote controller can reach more than 90% @2.7m.

It can be understood that the motherboard 2 of the remote controller 100 can be provided with a control circuit or a control program or a control circuit integrated on a circuit board, and the voice module 3 is arranged and electrically connected with the motherboard 2, so as to implement the voice assistant function of the remote controller 100 by using the voice module 3. In this embodiment, the remote controller 100 is configured with an infrared module, a bluetooth module, a WiFi module, or the like on the motherboard 2, so that signal connection is realized with the electronic system through the infrared module, the bluetooth module, the WiFi module, or the like, and the remote controller 100 is configured to remotely control the terminal of the electronic system, and the like.

According to the remote controller 100, the installation cavity 1a is arranged in the shell 1, so that the mainboard 2 can be conveniently installed and fixed by using the installation cavity 1a, and the mainboard 2 can be protected; through set up a plurality of sound receiving holes 111 that communicate installation cavity 1a on casing 1, and set up voice module 3, make voice module 3 include a plurality of microphone structures 31, and a plurality of microphone structures 31 interval sets up, and be connected with mainboard 2 electricity, so as to form the microphone array, thereby make each microphone structure 31 correspond a sound receiving hole 111 and set up, the microphone array that so forms through a plurality of microphone structures 31 is in certain angle and distance range, satisfy beam forming algorithm requirement, realize that remote controller 100 still can pick up the human sound under far distance, can also realize noise self-adaptation simultaneously and handle, restrain the influence of noise in the environment to discernment human sound, really realize far field pickup, make the accuracy of remote controller 100 far field pickup can reach more than 90% @2.7m.

In an embodiment, as shown in fig. 1, fig. 2, fig. 5 and fig. 7, the housing 1 is provided with two sound receiving holes 111, the two sound receiving holes 111 are a first sound receiving hole 1111 and a second sound receiving hole 1112, the voice module 3 includes two microphone structures 31, the two microphone structures 31 are a first microphone structure 32 and a second microphone structure 33, the first microphone structure 32 and the second microphone structure 33 are electrically connected to the motherboard 2 and form a dual-microphone array, the first microphone structure 32 is disposed corresponding to the first sound receiving hole 1111, and the second microphone structure 33 is disposed corresponding to the second sound receiving hole 1112.

Optionally, the speech module 3 comprises two microphone structures 31, and both microphone structures 31 are electrically connected to the main board 2 and form a dual microphone array. Correspondingly, the housing 1 is provided with two acoustic holes 111. In this embodiment, the two acoustic holes 111 are a first acoustic hole 1111 and a second acoustic hole 1112, the two microphone structures 31 are a first microphone structure 32 and a second microphone structure 33, such that the first microphone structure 32 and the second microphone structure 33 are both electrically connected to the motherboard 2 and form a dual-microphone array, the first microphone structure 32 is disposed corresponding to the first acoustic hole 1111, and the second microphone structure 33 is disposed corresponding to the second acoustic hole 1112.

It can be understood that the dual-microphone array formed by the first microphone structure 32 and the second microphone structure 33 meets the requirement of the beam forming algorithm within a certain angle and distance range, so that the remote controller 100 can still pick up the voice at a longer distance, and meanwhile, noise adaptive processing can be realized, the influence of noise in the environment on the recognition of the voice is suppressed, and far-field pickup is really realized, so that the accuracy of the far-field pickup of the remote controller 100 can reach more than 90% @2.7m.

In an embodiment, the housing 1 is further provided with a mounting hole 112 communicating with the mounting cavity 1a, the first acoustic opening 1111 and the second acoustic opening 1112 are located at two sides of the mounting hole 112, and the first acoustic opening 1111 and the second acoustic opening 1112 are respectively connected with the center of the mounting hole 112 at an obtuse angle; the remote controller 100 further includes a touch component 4, the touch component 4 is disposed at the mounting hole 112 and electrically connected to the main board 2, and a touch surface 411 is formed on a side of the touch component 4 opposite to the main board 2.

As shown in fig. 1 to 6, a mounting hole 112 communicating with the mounting cavity 1a is provided in the front shell 11 of the housing 1, so that the touch component 4 is exposed through the mounting hole 112, and a user can conveniently implement a remote control function or a remote control function of the remote controller 100 through the touch component 4 exposed at the mounting hole 112. It can be understood that, a side of the touch component 4 opposite to the main board 2 is formed with a touch surface 411, when a user touches the touch surface 411 through the mounting hole 112, the touch component 4 can transmit signals to the main board 2 in time, and the main board 2 realizes control operations of various functions.

In this embodiment, the touch surface 411 is a concave arc surface, so as to improve the appearance and the look of the housing 1 of the remote controller 100, and simultaneously, to prompt the user that the area is a touch control area. Of course, in other embodiments, the touch surface 411 may also be configured as a convex arc surface, which is not limited herein. As shown in fig. 1 to 5, the front shell 11 of the housing 1 is provided with an inclined surface around the mounting hole 112, and the inclined surface inclines towards the touch surface 411, so that the arrangement is favorable for ensuring that the connection between the inclined surface and the touch surface is in smooth transition, thereby facilitating the touch operation of a user, and simultaneously avoiding the influence of the touch feeling of the user in the touch operation process.

In an embodiment, the remote controller 100 further includes a key assembly 5, the key assembly 5 includes a key plate 51 and a metal plate 52, the key plate 51 is disposed on one side of the main board 2 facing the mounting hole 112, the key plate 51 is provided with a deformation portion 511, the metal plate 52 is attached to the main board 2 and is located between the main board 2 and the key plate 51, the metal plate 52 is provided with a deformation convex hull 521 corresponding to the deformation portion 511, the deformation portion 511 is provided with an abutting protrusion 5113 abutting against the deformation convex hull 521, and the touch assembly 4 is movably disposed in the mounting hole 112 and abuts against the deformation portion 511; when the touch surface 411 is pressed, the touch member 4 deforms the deformation portion 511 and the deformation convex hull 521 by pressing.

As shown in fig. 2, fig. 3, fig. 4 and fig. 7, through setting up button subassembly 5, make button subassembly 5 locate mainboard 2 towards one side of mounting hole 112, button subassembly 5 corresponds mounting hole 112 and is equipped with deformation portion 511, touch subassembly 4 activity is worn to locate in mounting hole 112, and with deformation portion 511 butt, thereby when the user pressed touch subassembly 4, touch subassembly 4 extrusion deformation portion 511 warp, the deformation feedback to touch subassembly 4 of deformation portion 511 on the accessible button subassembly 5, make the user can be clear and definite feel on touch subassembly 4 and receive physical feedback, thereby promote the operation experience of user's end.

It can be understood that, key assembly 5 may be a structure for providing only physical feedback, that is, when the user presses touch assembly 4 and deformation portion 511 of touch assembly 4 is deformed, key assembly 5 does not implement signal transmission with motherboard 2, and only physical deformation feedback to touch assembly 4 is implemented. Of course, in other embodiments, a connection contact, a contact or a key may be disposed on the main board 2 corresponding to the deformation portion 511 of the key assembly 5, so that when the deformation portion 511 is pressed by the touch assembly 4 to deform, the deformation portion 511 abuts against the contact, the contact or the key on the main board 2 to achieve conduction or signal transmission, so that the remote controller 100 achieves both the key control and the physical feedback function, which is not limited herein.

According to the remote controller 100, the key assembly 5 is arranged between the main board 2 and the touch assembly 4, the deformation part 511 is arranged on the key assembly 5 corresponding to the mounting hole 112, so that the touch assembly 4 movably penetrates through the mounting hole 112 of the shell 1 and is abutted against the deformation part 511, when the touch assembly 4 is pressed, the deformation part 511 is extruded by the touch assembly 4 to deform, the touch assembly 4 is utilized to realize the scratching touch function, meanwhile, the deformation part 511 of the key assembly 5 deforms, so that a user can obtain a physical feedback feeling through the touch assembly 4 to realize the pressing function, the operation experience of the user is improved, and more operation modes are expanded for the remote controller 100.

As shown in fig. 2, 3, 4 and 7, the key assembly 5 is composed of a key plate 51 and a metal plate 52, the key plate 51 is provided with a deformation portion 511, so that the deformation portion 511 of the key plate 51 is easily deformed when the touch assembly 4 is pressed, the metal plate 52 is provided with a deformation convex hull 521, so that when the deformation portion 511 is deformed, the deformation convex hull 521 is pressed or pressed by the abutting protrusion 5113 to be deformed, at this time, due to the material property of the metal plate 52, the deformation convex hull 521 can realize rapid reset or recovery performance, and when the deformation convex hull 521 is reset or recovered, the deformation convex hull 521 can realize reset or recovery by pushing the deformation portion 511 by the abutting protrusion 5113, so that a part touched by a user on the touch assembly 4 can feel clear and definite physical feedback feeling of the key assembly 5.

In the present embodiment, the key sheet 51 of the key assembly 5 can be made of elastic rubber or plastic, and the metal sheet 52 can be made of metal. It can be understood that, the touch assembly 4 is movably disposed through the mounting hole 112, so that the touch assembly 4 can move relative to the front shell 11 of the casing 1 while the touch assembly 4 is mounted and limited by the key assembly 5 and the front shell 11 of the casing 1. Of course, in other embodiments, the key assembly 5 can be formed by only the key sheet 51 or the metal sheet 52, and is not limited herein.

In one embodiment, the deformation portion 511 includes a deformation protrusion 5111 and a plurality of support protrusions 5112, the plurality of support protrusions 5112 are disposed around the deformation protrusion 5111, the deformation protrusion 521 is disposed corresponding to the deformation protrusion 5111, and the deformation protrusion 5111 is provided with an abutting protrusion 5113; the touch component 4 is convexly provided with a pressing boss 431 corresponding to the deformation boss 5111, the touch component 4 is also convexly provided with a supporting boss 432 corresponding to each supporting boss 5112, and each supporting boss 432 is abutted against one supporting boss 5112; when the touch surface 411 is pressed, the pressing bosses 431 press the deformation protrusions 5111 and the deformation convex hulls 521 to deform, and each of the support bosses 432 presses one of the support protrusions 5112 to deform.

As shown in fig. 2, 3, 4, 6, and 7, deformation portion 511 of key sheet 51 in key assembly 5 includes deformation projection 5111 and a plurality of support projections 5112, and by providing a plurality of support projections 5112, touch assembly 4 is supported and mounted by the plurality of support projections 5112. Alternatively, a plurality of support protrusions 5112 are provided around the deformation protrusion 5111.

It is understood that the deformation capability of the deformation projection 5111 is greater than that of the support projection 5112. The deformation convex hull 521 of the metal plate 52 is arranged corresponding to the deformation protrusion 5111, and the deformation protrusion 5111 is provided with an abutting protrusion 5113, that is, the deformation protrusion 5111 abuts against the deformation convex hull 521 through the abutting protrusion 5113.

In this embodiment, as shown in fig. 4 and 6, by providing the pressing boss 431 and the supporting boss 432 on the side of the touch assembly 4 facing the key assembly 5, the touch assembly 4 is made to correspond to and abut against the plurality of supporting protrusions 5112 of the key sheet 51 through the plurality of supporting bosses 432, so as to realize stable support of the touch assembly 4. And the touch assembly 4 corresponds to or abuts against the deformation protrusion 5111 of the key board 51 through the pressing boss 431, so that when the touch assembly 4 is pressed, the pressing boss 431 of the touch assembly 4 can abut against the deformation protrusion 5111, the deformation protrusion 5111 and the deformation protrusion 521 are extruded and deformed, and at the moment, the plurality of supporting bosses 432 simultaneously extrude the plurality of supporting protrusions 5112 to deform, so that the touch assembly 4 can smoothly realize the key function through the key assembly 5, and obtain the physical feedback feeling of the key.

In one embodiment, as shown in fig. 4 and 7, the deformation protrusion 5111 and the support protrusion 5112 each protrude from a side of the key sheet 51 facing the metal plate 52 toward a side facing away from the metal plate 52 to form a deformation groove on the side of the key sheet 51 facing the metal plate 52.

It is understood that the key sheet 51 has two surfaces facing away from each other, and the deformation projection 5111 and the support projection 5112 are both formed by protruding from one surface of the key sheet 51 to the other surface, so that the other surface opposite to the deformation projection 5111 and the support projection 5112 forms a deformation groove corresponding to the deformation projection 5111 and the support projection 5112, thereby effectively ensuring the deformation capability of the deformation projection 5111 and the support projection 5112.

In one embodiment, as shown in fig. 2 and 4, the deformation convex hulls 521 are protruded from the side of the metal plate 52 facing the main plate 2 toward the side facing away from the main plate 2 to form deformation depressions on the side of the metal plate 52 facing the main plate 2. It can be understood that the metal plate 52 has two surfaces facing away from each other, and the deformation convex hulls 521 are formed by protruding one surface of the metal plate 52 to the other surface, so that the other surface opposite to the deformation convex hulls 521 forms deformation concave corresponding to the deformation convex hulls 521, thereby effectively ensuring the deformation capacity of the deformation convex hulls 521.

In an embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 5, and fig. 7, the key board 51 further has a plurality of keys 512, the plurality of keys 512 are disposed at intervals and electrically connected to the motherboard 2, the housing 1 has a key hole 113 corresponding to each key 512, each key 512 penetrates through one key hole 113 and protrudes out of the key hole 113, the first sound-absorbing hole 1111 is located on a side of the plurality of key holes 113 facing away from the mounting hole 112, and a center of the first sound-absorbing hole 1111, a center of the key hole 113, and a center of the mounting hole 112 are located on the same straight line.

It can be understood that, by disposing a plurality of keys 512 on the key board 51 and disposing a key hole 113 on the front shell 11 of the housing 1 corresponding to each key 512, each key 512 is disposed through one key hole 113 and protrudes from the key hole 113, so that the user can conveniently implement functions such as control operation of the remote controller 100 through the keys 512.

In this embodiment, the plurality of keys 512 are linearly arranged, and the plurality of keys 512 are located between the first sound-absorbing hole 1111 and the mounting hole 112, so that a connection line of the plurality of keys 512 is perpendicular to a connection line of the first sound-absorbing hole 1111 and the center of the mounting hole 112, that is, the first sound-absorbing hole 1111 is located on a side of the plurality of key holes 113 facing away from the mounting hole 112. Optionally, the key 512 includes three keys, the center of the first sound receiving hole 1111, the center of the middle key hole 113 of the three key holes 113 and the center of the mounting hole 112 are located on the same straight line, so that the arrangement optimizes the dual-microphone array formed by the first microphone structure 32 and the second microphone structure 33, and is also beneficial to improving the appearance of the remote controller 100.

It is understood that some of the keys 22 are used to control the functions of the display terminal of the electronic system, and some of the keys may also be used to control the on/off of the voice module 3, which is not limited herein.

In an embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the touch assembly 4 includes a touch pad 41, a touch circuit board 42 and a cover plate 43, the touch pad 41 is movably disposed in the mounting hole 112, the touch pad 41 has a touch surface 411, a mounting groove 412 is disposed on a side of the touch pad 41 facing away from the touch surface 411, the touch circuit board 42 is disposed in the mounting groove 412 and electrically connected to the motherboard 2, the cover plate 43 covers a notch of the mounting groove 412, and a pressing boss 431 and a supporting boss 432 are disposed on a side of the cover plate 43 facing away from the mounting groove 412.

It can be understood that, the touch assembly 4 is composed of three parts, namely, the touch pad 41, the touch circuit board 42 and the cover plate 43, and the touch surface 411 is formed on the touch pad 41, so that the touch surface 411 is located in the mounting hole 112, thereby facilitating the touch of a user through the touch surface 411, and the touch circuit board 42 is arranged in the mounting groove 412 on the side of the touch pad 41 opposite to the touch surface 411, so that when the user touches the touch surface 411, a circuit or signal change of the touch circuit board 42 is caused, thereby transmitting the circuit or signal change to the motherboard 2, and a control signal or information is obtained through the analysis and processing of the motherboard 2 to realize the control operation. The cover plate 43 is provided to protect the touch pad 41 and the touch circuit board 42, and to prevent the touch circuit board 42 from contacting the key sheet 51, thereby affecting the signal change information of the touch circuit board 42.

It is understood that the touch pad 41 includes a touch portion and a sliding portion protruding from the periphery of the touch portion, such that the sliding portion and the touch portion surround the mounting groove 412, and the side of the touch portion facing away from the mounting groove 412 forms a touch surface 411, when the touch circuit board 42 is located in the mounting groove 412 and abuts against the touch portion of the touch pad 41. As shown in fig. 4, a portion of the cover plate 43 is confined in the mounting groove 412, and the touch circuit board 42 is interposed between the cover plate 43 and the touch portion of the touch panel 41.

In the present embodiment, as shown in fig. 6, a pressing boss 431, a supporting boss 432, and the like are provided on the side of the cover plate 43 facing away from the touch circuit board 42. Optionally, the touch surface 411 is disposed in an arc shape.

In order to realize that the touch assembly 4 is movably arranged in the mounting hole 112 in a penetrating manner, as shown in fig. 2 to 6, a step portion is arranged on the periphery of the touch pad 41, a guide cylinder is convexly arranged on the shell 1 corresponding to the mounting hole 112, extends towards the inside of the mounting cavity 1a, and is provided with a limit table; when the deformation portion 511 is reset, the periphery of the touch pad 41 slides along the guide cylinder and abuts against the step portion, and the step portion abuts against the limit table in a limiting manner.

It can be understood that, by providing the guide cylinder on the inner wall of the front shell 11 of the housing 1, the guide cylinder is disposed corresponding to the mounting hole 112, thereby providing a guiding function for the movement of the touch assembly 4. The guide cylinder is provided around the mounting hole 112 of the front case 11 and extends toward the inside of the mounting cavity 1a (or the key sheet 51).

Through set up spacing platform on the guide cylinder to set up the step portion at the periphery of touch pad 41, the protruding step portion that sets up of sliding part periphery of touch pad 41 promptly, and when the deformation portion 511 resets, the periphery of touch pad 41 slides along the guide cylinder and supports, and step portion and the spacing butt of spacing platform, so usable spacing platform of guide cylinder realizes spacingly to touch subassembly 4, when avoiding deformation portion 511 to reset, touches subassembly 4 and breaks away from casing 1 from mounting hole 112.

In this embodiment, the step part is further provided with a limiting boss, the guide cylinder is provided with a limiting notch, and the limiting notch penetrates through the guide cylinder and is flush with the limiting boss; when the deformation portion 511 is reset, the limit boss is limited in the limit notch. It can be understood, through further setting up spacing breach at the guide cylinder for spacing breach link up the guide cylinder, and flush with spacing platform, and still be equipped with spacing boss at step portion, thereby when deformation portion 511 resets, spacing boss is spacing in spacing breach, so utilize setting up of spacing boss and spacing breach can realize touch subassembly 4 prevent slow-witted and spacing equipment.

As shown in fig. 6, the touch circuit board 42 is provided with a connecting portion, and the cover plate 43 is provided with a notch, through which the connecting portion is connected to the main board 2. It can be understood that, by providing the notch on the cover plate 43, the connection portion of the touch circuit board 42 can be conveniently connected to the main board 2 through the notch. Alternatively, the connection portion may be a connection line, a metal plate, or a plate-shaped structure or a linear structure with a metal lead disposed therein, and any structure may be used as long as it can achieve electrical connection or signal connection between the touch circuit board 42 and the main board 2, which is not limited herein.

In an embodiment, the housing 1 further has a self-locking hole 114 communicating with the mounting cavity 1a, the self-locking hole 114 is located on a side of the mounting hole 112 far away from the first acoustic opening 1111 and is located adjacent to the second acoustic opening 1112, and a center of the self-locking hole 114, a center of the mounting hole 112 and a center of the first acoustic opening 1111 are located on the same straight line; the remote controller 100 further comprises a self-locking key 6 arranged at the self-locking hole 114, the self-locking key 6 is electrically connected with the main board 2, and the self-locking key 6 can control the voice module 3 to be turned on and off.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 8, the self-locking key 6 has a self-locking function, and by providing the self-locking key 6, the self-locking key 6 is electrically connected to the motherboard 2, so that the voice module 3 can be controlled to be turned on and off by the self-locking key 6, the security of the remote controller 100 is improved, and the privacy of the user is ensured not to be revealed. It can be understood that the self-locking key 6 may be a self-locking key or the like, and the structure of the self-locking key may be the structure of the existing self-locking key, which is not limited herein.

In an embodiment, as shown in fig. 2, 3, 4 and 8, the main board 2 has a through hole 21 corresponding to the mounting hole 112, and the self-locking key 6 includes a bracket 61, a circuit board 62, a plurality of spring pieces 63, a self-locking main body 64 and a key cap 65, wherein the bracket 61 is connected to a side of the main board 2 opposite to the mounting hole 112 and is disposed corresponding to the through hole 21, the circuit board 62 is disposed on the bracket 61, the plurality of spring pieces 63 are disposed around the through hole 21 at intervals and are connected to the main board 2 and the circuit board 62, one end of the self-locking main body 64 passes through the through hole 21 and is connected to the circuit board 62, the other end of the self-locking main body 64 is provided with a push rod 641, and the key cap 65 movably penetrates through the self-locking hole 114 and is connected to the push rod 641; wherein, the key cap 65 is pressed to push the push rod 641, so that the self-locking body 64 controls the voice module 3 to close and open.

Because the structure height of auto-lock button 6 is higher among the existing structure, directly set up auto-lock button 6 in mainboard 2 or remote controller 100's casing 1 to make remote controller 100's volume grow, thereby influence pleasing to the eye and small and exquisite words. In the present embodiment, the through hole 21 is formed in the main board 2, so that the size of the remote control 100 is effectively reduced while the installation and fixation of the self-locking button 6 are facilitated.

It can be understood that, the self-locking key 6 is arranged to be the bracket 61, the circuit board 62, the plurality of spring pieces 63, the self-locking main body 64 and the key cap 65, so that the circuit board 62 and the self-locking main body 64 are installed and fixed by using the bracket 61, and the structure and the function of the main board 2 are prevented from being affected by the self-locking key 6 while the installation stability is ensured.

In this embodiment, by providing the circuit board 62, the circuit board 62 is disposed on the bracket 61 and electrically connected to the main board 2, so that when the user presses the auto-lock main body 64 through the key cap 65, the auto-lock main body 64 can ensure the connection stability of the main board 2 through the circuit board 62, and the circuit board 62 is used to control the opening or closing of the voice module 3. Alternatively, the structure of the latching body 64 may be a structure that selects a latching button, etc., and is not limited herein.

It will be appreciated that when the key cap 65 is depressed, the key cap 65 moves within the self-locking hole 114. The key cap 65 has two states of pressing and not pressing relative to the outer wall of the front shell 11 of the shell 1, and a user can switch the key cap 65 between the two states of pressing and not pressing by pressing the key cap 65, so that the self-locking key 6 can realize the opening or closing of the control voice module 3. In the present embodiment, the height of the key cap 65 protruding from the locking hole 114 varies with the pressed state and the non-pressed state, that is, the height of the key cap 65 protruding from the mounting hole 112 is smaller in the pressed state; when the key cap 65 is not pressed down, the height of the key cap 65 protruding through the mounting hole 112 is large, so that a clear indication can be given to the user, and privacy safety of the user can be ensured. Of course, other methods are also possible, and are not limited herein.

In this embodiment, in order to further enable a clear prompt to the user, the key cap 65 is provided with a label layer at its periphery. It is understood that the identification layer may be a coating layer coated on the outer wall of the key cap 65 or a sticker layer attached to the outer wall of the key cap 65, for example, the identification layer may be a prominent red or fluorescent layer coated or attached to the periphery of the key cap 65, and only the identification layer may serve as a mark or a prompt, which is not limited herein. In this embodiment, when the key cap 65 is pressed down, the mark layer is retracted into the self-locking hole 114, so that the housing 1 covers the mark layer; when the key cap 65 is not pressed down, the mark layer extends out of the lock hole 114 and is exposed outside the casing 1.

According to the remote controller 100, the self-locking key 6 is arranged in the installation cavity 1a and is connected with the mainboard 2, the push rod 641 is arranged on the self-locking hole 114 corresponding to the self-locking key 6, the key cap 65 movably penetrates through the self-locking hole 114 and is connected with the push rod 641, so that the key cap 65 can be switched between a pressed state and an un-pressed state by pressing the key cap 65, the voice module 3 can be controlled to be opened or closed, the remote controller 100 can be switched on and off through a physical key mode, a clear indication can be given to a user, and the privacy safety of the user can be ensured.

In the present embodiment, the elastic piece 63 is disposed between the motherboard 2 and the circuit board 62 by disposing the elastic piece 63, so as to ensure the electrical connection or electrical conduction between the motherboard 2 and the circuit board 62. It can be understood that the circuit board 62 is provided with a control circuit or a control program for controlling the voice module 3 to be turned on or off, and the mechanical structure of the self-locking body 64 is used for turning on or off the control circuit or the control program, so as to control the voice module 3 to be turned on or off. The main board 2 is used for controlling the voice module 3 or the remote control 100, and the like, and is not limited herein.

Optionally, the self-locking button 6 includes a plurality of spring pieces 63, and the spring pieces 63 are disposed around the through hole 21 at intervals and are connected to the circuit board 62. It can be understood that a plurality of spring pieces 63 are provided, so that the plurality of spring pieces 63 surround the through hole 21 and are arranged at intervals, and the plurality of spring pieces 63 are arranged between the motherboard 2 and the circuit board 62 and are respectively connected with the motherboard 2 and the circuit board 62, thereby effectively ensuring the electrical connection or the electrical conduction between the motherboard 2 and the circuit board 62, and avoiding the poor contact between the motherboard 2 and the circuit board 62 caused by the excessive pressing force of a user.

In one embodiment, a mounting groove is formed on a side of the bracket 61 facing the motherboard 2, and the circuit board 62 is received and retained in the mounting groove. It can be understood that, by providing the mounting groove on the bracket 61, the mounting groove is utilized to realize a limited mounting for the circuit board 62, so as to ensure the mounting stability of the circuit board 62.

It can be understood that one side of the bracket 61 facing the main board 2 is provided with two buckles, and the two buckles are oppositely arranged and clamped with the limit circuit board 62. Through setting up the buckle to it is spacing to utilize the buckle to realize the joint to circuit board 62, realizes the fixed to circuit board 62 promptly, makes things convenient for the dismantlement of circuit board 62 again. In this embodiment, two buckles are relative settings to be located the relative both sides of mounting groove, thereby make two buckles and mounting groove cooperation realize the firm installation to circuit board 62.

In this embodiment, support 61 is equipped with the erection column towards one side of mainboard 2, and the fixed orifices has been seted up to the erection column, and mainboard 2 corresponds the erection column and is equipped with the via hole, and the fastener is worn to locate in via hole and the fixed orifices in proper order, makes support 61 be connected with mainboard 2. It can be understood that, through setting up the erection column on support 61 to correspond the erection column at mainboard 2 and be equipped with the via hole, and set up the fixed orifices on the erection column, thereby utilize the fastener to wear to locate via hole and fixed orifices in proper order, realize support 61 and mainboard 2 firm connection, improve installation stability.

Optionally, the mounting posts are provided with two, the two mounting posts are arranged oppositely and located on two opposite sides of the mounting groove, at the moment, the two buckles and the two mounting posts are respectively arranged in four directions of the mounting groove, namely, the connecting lines of the two buckles and the connecting lines of the two mounting posts are arranged in a crossed or perpendicular mode.

In this embodiment, one side of the support 61 facing the main board 2 is provided with a positioning column, the main board 2 is provided with a positioning hole corresponding to the positioning column, and the positioning column is arranged in the positioning hole in a penetrating manner.

In this embodiment, the positioning column is arranged on the support 61, and the positioning hole is arranged on the main board 2, so that the positioning column is arranged in the positioning hole in a penetrating manner, the mounting groove of the support 61 is ensured to be right opposite to the through hole 21 of the main board 2 by the positioning support 61, and the self-locking main body 64 can smoothly pass through the through hole 21 and be connected with the circuit board 62.

In an embodiment, as shown in fig. 2, 3 and 4, the remote controller 100 further includes a plurality of dust screens 7, each dust screen 7 is sandwiched between the inner wall of the mounting cavity 1a and the microphone structure 31, and covers the sound receiving hole 111.

It can be understood that, by disposing the dust screen 7, the dust screen 7 is disposed on a side of the front shell 11 facing the rear shell 12 and is sandwiched between the inner wall of the casing 1 and the microphone structure 31 to cover the sound receiving hole 113, so that the dust screen 7 can be utilized to prevent impurities and the like from entering the mounting cavity 1a through the sound receiving hole 113 to affect the performance of the microphone structure 31 or the motherboard 2. In the present embodiment, the dust-proof net 7 is provided without affecting the sound pickup effect or sound transmission.

Of course, in other embodiments, a waterproof structure or a waterproof layer may be disposed at the acoustic opening 113, so that the waterproof structure or the waterproof layer may be used to achieve the waterproof function. It will be appreciated that the sound receiving aperture 113 is covered by a waterproof structure or layer, which does not affect the sound pick-up effect or sound transmission.

In one embodiment, as shown in fig. 2 and 3, the remote controller 100 further includes a power supply 8 disposed in the mounting cavity 1a, and the power supply 8 is spaced apart from the motherboard 2 and electrically connected to the motherboard 2.

It can be understood that the power supply 8 is provided, so that the power supply 8 is used for supplying power to the main board 2, the voice module 3, the touch circuit board 32 and other components. It is understood that the power source 8 may be a battery or a rechargeable battery, etc., and is not limited thereto.

In an embodiment, as shown in fig. 2 and fig. 3, the housing 1 is further provided with a mounting opening 115 communicating with the mounting cavity 1a, the remote controller 100 further includes an interface 9 disposed at the mounting opening 115, and the interface 9 is electrically connected to the main board 2. It can be understood that, by providing the installation port 115 and providing the interface 9 at the installation port 115, the interface 9 is conveniently used to implement charging, data transmission, or the like for the power supply 8 or the motherboard 2, and is not limited herein.

The present invention also proposes an electronic system comprising a terminal and a remote control 100, the remote control 100 being in signal connection with the terminal. The specific structure of the remote control 100 refers to the foregoing embodiments, and since the electronic system adopts all the technical solutions of all the foregoing embodiments, at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and no further description is given here.

It is understood that the terminal may be a display screen, a display screen or a television screen or other intelligent terminal, and the like, and is not limited herein. The electronic system may be an intelligent television, an intelligent air conditioner, an intelligent sound, an intelligent fan or other intelligent home, and the like, which is not limited herein.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A remote control, characterized in that the remote control comprises:

the shell comprises a front shell and a rear shell, the front shell is connected with the rear shell and encloses to form an installation cavity, one side of the front shell, which is back to the rear shell, is provided with an installation hole and two sound receiving holes, the installation hole is communicated with the installation cavity, the two sound receiving holes are a first sound receiving hole and a second sound receiving hole, the first sound receiving hole and the second sound receiving hole are positioned on two sides of the installation hole, and the first sound receiving hole and the second sound receiving hole are respectively connected with the center of the installation hole to form an obtuse angle;

the main board is arranged in the mounting cavity;

the voice module comprises two microphone structures arranged in the installation cavity, the two microphone structures are a first microphone structure and a second microphone structure, the first microphone structure and the second microphone structure are both electrically connected with the mainboard and form a double-microphone array, the first microphone structure is arranged corresponding to the first sound receiving hole, and the second microphone structure is arranged corresponding to the second sound receiving hole;

the touch assembly is arranged at the mounting hole and is electrically connected with the mainboard, and a touch surface is formed on one side of the touch assembly, which is back to the mainboard; and

the key assembly comprises a key plate and a metal plate, the key plate is arranged on one side of the main board facing the mounting hole, the key plate is provided with a deformation part, the metal plate is attached to the main board and positioned between the main board and the key plate, the metal plate is provided with a deformation convex hull corresponding to the deformation part, the deformation part is provided with an abutting bulge abutting against the deformation convex hull, and the touch assembly is movably arranged in the mounting hole in a penetrating manner and abutted against the deformation part;

when the touch surface is pressed, the touch assembly extrudes the deformation part to deform, so that the deformation convex hull is extruded or pressed downwards to deform through the abutting bulge; when the deformation convex closure resets, the deformation convex closure pushes the deformation part to quickly reset or recover, so that the touch assembly realizes the touch function of scratching and simultaneously deforms through the deformation part, and a user can obtain physical feedback feeling through the touch assembly.

2. The remote controller according to claim 1, wherein the deformation portion includes a deformation protrusion and a plurality of support protrusions, the plurality of support protrusions being disposed around the deformation protrusion, the deformation protrusion being disposed corresponding to the deformation protrusion, the deformation protrusion being provided with the abutment protrusion;

3. The remote controller according to claim 2, wherein the key board further has a plurality of keys, a plurality of the keys are spaced apart from each other and electrically connected to the main board, the housing has a key hole corresponding to each of the keys, each of the keys is inserted through one of the key holes and protrudes from the key hole, the first sound-absorbing hole is located on a side of the plurality of the key holes facing away from the mounting hole, and a center of the first sound-absorbing hole, a center of one of the key holes and a center of the mounting hole are located on a same straight line;

4. The remote controller according to claim 1, wherein the housing further has a self-locking hole communicating with the mounting cavity, the self-locking hole is located at a side of the mounting hole away from the first acoustic opening and is located adjacent to the second acoustic opening, and a center of the self-locking hole, a center of the mounting hole and a center of the first acoustic opening are located on a same straight line;

5. The remote controller according to claim 4, wherein the main board is provided with a through hole corresponding to the mounting hole, and the self-locking key comprises:

the circuit board is arranged on the bracket;

the elastic sheet pieces are arranged around the through hole at intervals and are connected with the mainboard and the circuit board;

6. The remote controller according to any one of claims 1 to 5, further comprising a plurality of dust screens, each dust screen being sandwiched between an inner wall of the mounting cavity and the microphone structure and covering the sound-absorbing hole;

and/or the remote controller further comprises a power supply arranged in the mounting cavity, and the power supply is arranged at intervals with the mainboard and is electrically connected with the mainboard;

and/or, the casing still is equipped with the intercommunication the installation port of installation cavity, the remote controller is still including locating the interface of installation port department, the interface with the mainboard electricity is connected.

7. An electronic system, characterized in that it comprises a terminal and a remote control according to any one of claims 1 to 6, said remote control being in signal connection with said terminal.