CN109769190A - A kind of public address equipment with anti-interference function - Google Patents
A kind of public address equipment with anti-interference function Download PDFInfo
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- CN109769190A CN109769190A CN201910177764.0A CN201910177764A CN109769190A CN 109769190 A CN109769190 A CN 109769190A CN 201910177764 A CN201910177764 A CN 201910177764A CN 109769190 A CN109769190 A CN 109769190A
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Abstract
The present invention relates to a kind of public address equipment with anti-interference function, including main body and connecting rod, it is fixed with public address hood in the middle part of the inside of the main body, and to be fixedly connected between main body and public address hood, the top of the public address hood is equipped with cross bar.The anti-tampering public address equipment with reserve battery of the teacher, pass through activity of the bolt slot between frame and RF transmitter, so as to dismantle the RF transmitter in frame by bolt slot, and replacement processing can be carried out to it, and the components in main body and public address hood can be repaired, and pass through public address hood RF transmitter, the infrared light-wave carrier utilized cannot pass through wall, it is congenital that there is confidentiality and easy isolation, it can effectively overcome the problems, such as string frequency between adjacent classroom, infrared ray is a kind of safety simultaneously, radiationless light wave, infrared ray emitting portion is beneficial and harmless to human body, transmitter uses lithium ion battery, without often replacing battery.
Description
Technical field
The present invention relates to public address equipment technical field, specially a kind of public address equipment with anti-interference function.
Background technique
For public address equipment, the quality of loudspeaker is critically important, so user is certain when selecting public address equipment
It is to be understood that the technical characteristic of loudspeaker, could have a understanding well to sound equipment in this way, a good amplifying could be selected to set
It is standby, and can be improved the quality of instruction of teacher, so as to mitigate the teaching pressure of teacher, and traditional loudspeaker, generally
Including encapsulating at least head of audio converter appropriate and extending from loudspeaker head around the longitudinal axis of loudspeaker thin
Elongated handle or bar or column, but its signal interference is bigger, it is therefore desirable to structure improvement is carried out to it.
In the prior art, the anti-tampering public address equipment with reserve battery of teacher, carry out educational work when, be easy by
To the sound wave of teaching environment, the interference of electromagnetic wave (such as mobile phone, intercom, cellular base station), so that educational class progress is influenced,
And collision damage is easy to happen when being carried, while being easily damaged its internal structure, for a long time when classroom works, expand
Sound equipment is easily accessible dust, the frequent particle-bound bacteria of microphone, to be easy to influence the health of teacher.
Summary of the invention
The purpose of the present invention is to provide a kind of public address equipments with anti-interference function, to solve in above-mentioned background technique
It proposes in the prior art, when carrying out educational work, is easy the sound wave by teaching environment, electromagnetic wave (such as mobile phone, intercommunication
Machine, cellular base station etc.) interference, to influence educational class progress, and while being carried, is easy to happen collision damage, simultaneously
It is easily damaged its internal structure, for a long time when classroom works, public address equipment is easily accessible dust, and microphone often adheres to carefully
Bacterium, to be easy the problem of influencing teacher's health.
To achieve the above object, the invention provides the following technical scheme: a kind of public address equipment with anti-interference function, packet
Main body and connecting rod are included, is fixed with public address hood in the middle part of the inside of the main body, and to be fixedly connected between main body and public address hood, institute
The top for stating public address hood is equipped with cross bar, and to be welded to connect between main body and cross bar, the left and right sides of the public address hood is fixed
There is frame, and to be fixedly connected between main body and frame, the frame is internally provided with RF transmitter, and infrared ray is sent out
The upper and lower ends of emitter are connected with bolt slot, and the bottom end of the public address hood is equipped with backup cartridge, and between public address hood and backup cartridge
Central axes intersection, the connecting rod are connected to the bottom of backup cartridge, and the left and right ends of the connecting rod are equipped with fixed plate, and solid
It is fitted closely between fixed board and connecting rod, the two sides up and down of the connecting rod are fixed with backplate.
Preferably, it is fitted closely between the bolt slot and RF transmitter, and frame passes through bolt slot and infrared ray
Transmitter is configured to detaching structure.
It preferably, is vertical structure between the connecting rod and backplate, and main body is configured to card by connecting rod and backplate
Close structure.
Preferably, it is fixed with splash guard in the middle part of the backplate, and to be fixedly connected between splash guard and backplate, it is described anti-
It is mounted on partition on the inside of water plate, and to be welded to connect between partition and splash guard, is set at left and right sides of the bottom end of the backplate
It is equipped with fastening plate, bracket is fixed on the left of the main body, and to be fixedly connected between main body and bracket, the inside of the bracket
Bottom end is equipped with Mike's wind groove, and central axes are intersected between bracket and Mike's wind groove, and the inside of Mike's wind groove is respectively and fixedly provided with
The top of spring stack, Mike's wind groove is connected with actinolyte, and is fixed company between bracket and actinolyte
It connects, fixing groove is fixed at the top of the actinolyte, the left end of the cross bar is equipped with sliding shoe, and cross bar and sliding
It is fitted closely between block, the lower end of the sliding shoe is fixed with sliding panel, and is fixedly connected between sliding panel and sliding shoe, described
Sliding panel lower end is connected with cleaning cotton.
Preferably, to be fixedly connected between Mike's wind groove and spring stack, and bracket passes through Mike's wind groove and spring stack
It is configured to elastic construction.
Preferably, it is connected between cleaning cotton and the sliding panel for glue, and clears up cotton and pass through sliding panel and sliding shoe structure
As slide construction.
Preferably, the top upper end of the main body is fixed with carrying snap-gauge, and is fixed company between main body and carrying snap-gauge
It connects, the lower end for carrying snap-gauge is connected with stent bolt, and to be welded to connect between main body and stent bolt, in the stent bolt
Portion is equipped with movable plate, and the left and right ends of the movable plate are fixed with limit buckle, and is fixed company between movable plate and limit buckle
It connects, the right surface middle part of the main body is provided with USB interface, and to be fixedly connected between main body and USB interface, the USB is connect
The left side upper and lower ends of mouth are fixed with fixed column, and the two sides up and down of fixed column are connected with dust excluding plate, the left and right of the backup cartridge
Both ends are connected with position-limited rack, and fit closely between backup cartridge and position-limited rack, and the upper and lower ends of the position-limited rack are equipped with nut,
The inside of the backup cartridge is respectively connected with sheet rubber in two sides up and down, and connects between backup cartridge and sheet rubber for glue, the rubber
It is provided with battery on the inside of dermatotome, plastic bead is mounted on the inside of the battery, and be between backup cartridge and plastic bead
It is flexibly connected.
Preferably, it is fitted closely between the main body and backup cartridge, and backup cartridge is configured to spiral shell by nut and position-limited rack
Line structure.
Preferably, center line intersects between carrying snap-gauge and the movable plate, and stent bolt passes through movable plate and limit buckle
It is configured to buckle structure.
Preferably, to be flexibly connected between the dust excluding plate and fixed column, and dust excluding plate passes through fixed column and USB interface structure
As rotational structure.
Compared with prior art, the beneficial effects of the present invention are:
1, frame of the present invention is configured to detaching structure by bolt slot and RF transmitter, and main body passes through connecting rod and backplate structure
As snap-in structure, by activity of the bolt slot between frame and RF transmitter, so as to be dismantled by bolt slot
RF transmitter in frame, and replacement processing can be carried out to it, and can be to the components in main body and public address hood
It repairs, and by public address hood RF transmitter, the infrared light-wave carrier utilized cannot pass through wall, congenital to have
Confidentiality and easy isolation, can effectively overcome the problems, such as between adjacent classroom go here and there frequency, while infrared ray be it is a kind of safety, without spoke
The light wave penetrated, infrared ray emitting portion is beneficial and harmless to human body, and transmitter uses lithium ion battery, without often replacement electricity
Pond, by engaging campaign of the backplate between connecting rod and fixed plate, so as to which backplate is fastened in main body, and can be pre-
Anti- public address equipment collides accident, and is engaged up and down by backplate, can integrally wrap up public address equipment, so as to
Enough pre- liquidproof and other foreign matters enter in public address equipment, and are not influenced by Changes in weather, and can play and certain prevent
The damp proof effect of tide.
2, bracket of the present invention is configured to elastic construction by Mike's wind groove and spring stack, and clear up cotton by sliding panel with
Sliding shoe is configured to slide construction, by the spring stack between bracket and Mike's wind groove, so as to protect the wheat of public address equipment
Gram wind, and can be placed between actinolyte and fixing groove, and ultraviolet sterilization can be carried out to its surface,
It is attached to microphone surface so as to prevent indoor dust, and can safeguard the health of teacher, and passes through bracket and wheat
Spring stack between gram wind groove, must be ultraviolet sterilization space so as to provide, by cleaning cotton in sliding panel and sliding
Sliding between block can so as to clear up the dust between main body and public address hood, and by the cross bar in main body
The public address hood for clearing up cotton and main body is fitted closely, and public address hood surface adhesive dust can be prevented.
3, backup cartridge of the present invention is configured to helicitic texture by nut and position-limited rack, by turning nut so as to master
The backup cartridge and position-limited rack of body carry out disassembly separating treatment, and can carry out internal structure maintenance protection to main body, and conveniently
User enables alternative scheme, so as to which Teaching in University to be carried out to lasting work, and can prevent public address equipment from event occurs
Barrier problem, and can be avoided the progress for influencing curricula.
4, stent bolt of the present invention is configured to buckle structure by movable plate and limit buckle, by movable plate in stent bolt and limit
Sliding between the button of position, so as to which limit buckle is buckled on stent bolt, and the carrying snap-gauge in main body of arranging in pairs or groups, so as to
Buckle is fixed to public address equipment, and convenient for users to carrying public address equipment, and by carry snap-gauge, stent bolt and
It is unexpected that limit buckle can prevent public address equipment from falling off collision.
5, dust excluding plate of the present invention is configured to rotational structure by fixed column and USB interface, by dust excluding plate fixed column it
Between rotary motion, so as to which the USB interface in main body is carried out rotation engaging, and can be with by the dust excluding plate above and below main body
USB interface can be carried out to moisture-proof proofing dust and protecting, and mobile phone and public address equipment can be attached by USB interface, from
And can be by University classroom intelligence, and the resources material for capableing of teacher directly carries out the broadcasting that amplifies.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the public address equipment with anti-interference function of the present invention；
Fig. 2 is a kind of vertical view schematic diagram of internal structure of the public address equipment with anti-interference function of the present invention；
Fig. 3 is a kind of cooling box structural schematic diagram of the public address equipment with anti-interference function of the present invention；
Fig. 4 is enlarged structure schematic diagram at A in a kind of Fig. 1 of the public address equipment with anti-interference function of the present invention；
Fig. 5 is a kind of backup cartridge enlarged structure schematic diagram of the public address equipment with anti-interference function of the present invention.
In figure: 1, main body；2, public address hood；3, cross bar；4, frame；5, bolt slot；6, RF transmitter；7, backup cartridge；
8, fixed plate；9, connecting rod；10, partition；11, splash guard；12, backplate；13, fastening plate；14, bracket；15, Mike's wind groove；16,
Spring stack；17, actinolyte；18, fixing groove；19, cotton is cleared up；20, sliding panel；21, sliding shoe；22, snap-gauge is carried；
23, stent bolt；24, movable plate；25, limit buckle；26, dust excluding plate；27, fixed column；28, USB interface；29, nut；30, it limits
Frame；31, sheet rubber；32, plastic bead；33, battery.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of public address equipment with anti-interference function, including
Main body 1, public address hood 2, cross bar 3, frame 4, bolt slot 5, RF transmitter 6, backup cartridge 7, fixed plate 8, connecting rod 9, partition
10, splash guard 11, backplate 12, fastening plate 13, bracket 14, Mike's wind groove 15, spring stack 16, actinolyte 17, fixing groove
18, clear up cotton 19, sliding panel 20, sliding shoe 21, carry snap-gauge 22, stent bolt 23, movable plate 24, limit buckle 25, dust excluding plate 26,
Fixed column 27, USB interface 28, nut 29, position-limited rack 30, sheet rubber 31, plastic bead 32 and battery 33, in the inside of main body 1
Portion is fixed with public address hood 2, and to be fixedly connected between main body 1 and public address hood 2, and the top of public address hood 2 is equipped with cross bar 3, and main
To be welded to connect between body 1 and cross bar 3, the left and right sides of public address hood 2 is fixed with frame 4, and is solid between main body 1 and frame 4
Fixed connection, frame 4 is internally provided with RF transmitter 6, and the upper and lower ends of RF transmitter 6 are connected with bolt slot 5,
It is fitted closely between bolt slot 5 and RF transmitter 6, and frame 4 is configured to tear open by bolt slot 5 with RF transmitter 6
Structure is unloaded, by activity of the bolt slot 5 between frame 4 and RF transmitter 6, so as to dismantle frame by bolt slot 5
RF transmitter 6 in frame 4, and replacement processing can be carried out to it, and can be to zero in main body 1 and public address hood 2
Part repairs, and by public address hood RF transmitter 6, the infrared light-wave carrier utilized cannot pass through wall, congenital
With confidentiality and easy isolation, can effectively overcome the problems, such as between adjacent classroom go here and there frequency, while infrared ray be it is a kind of safety,
Radiationless light wave, infrared ray emitting portion are beneficial and harmless to human body.Transmitter uses lithium ion battery, without often replacement
Battery, the bottom end of public address hood 2 is equipped with backup cartridge 7, and central axes are intersected between public address hood 2 and backup cartridge 7, and connecting rod 9 connects
In the bottom of backup cartridge 7, the left and right ends of connecting rod 9 are equipped with fixed plate 8, and closely paste between fixed plate 8 and connecting rod 9
It closes, the two sides up and down of connecting rod 9 are fixed with backplate 12, are vertical structure between connecting rod 9 and backplate 12, and main body 1 passes through company
Extension bar 9 and backplate 12 are configured to snap-in structure, by engaging campaign of the backplate 12 between connecting rod 9 and fixed plate 8, so as to
On the body 1, and public address equipment can be prevented and is collided accident, and passes through about 12 backplate card the engaging of backplate 12
Close, public address equipment can integrally be wrapped up, entered in public address equipment so as to pre- liquidproof and other foreign matters, and not by
It influences, and can play the role of certain moisture-proof damp proof to Changes in weather；
The middle part of backplate 12 is fixed with splash guard 11, and to be fixedly connected between splash guard 11 and backplate 12, splash guard 11 it is interior
Side is mounted on partition 10, and to be welded to connect between partition 10 and splash guard 11, is provided at left and right sides of the bottom end of backplate 12
Fastening plate 13, the left side of main body 1 are fixed with bracket 14, and to be fixedly connected between main body 1 and bracket 14, the inner bottom of bracket 14
End is equipped with Mike's wind groove 15, and central axes are intersected between bracket 14 and Mike's wind groove 15, and the inside of Mike's wind groove 15 is fixed
There is spring stack 16, be fixedly connected between Mike's wind groove 15 and spring stack 16, and bracket 14 passes through Mike's wind groove 15 and spring stack
16 are configured to elastic construction, by the spring stack 16 between bracket 14 and Mike's wind groove 15, so as to protect public address equipment
Microphone, and can be placed between actinolyte 17 and fixing groove 18, and its surface can be carried out ultraviolet
Line sterilization, is attached to microphone surface so as to prevent indoor dust, and can safeguard the health of teacher, and pass through branch
Spring stack 16 between frame 14 and Mike's wind groove 15 must be ultraviolet sterilization space so as to provide, Mike's wind groove 15
Top is connected with actinolyte 17, and to be fixedly connected between bracket 14 and actinolyte 17, actinolyte
17 top is fixed with fixing groove 18, and the left end of cross bar 3 is equipped with sliding shoe 21, and closely pastes between cross bar 3 and sliding shoe 21
It closes, clears up between cotton 19 and sliding panel 20 and connected for glue, and clear up cotton 19 and be configured to sliding with sliding shoe 21 by sliding panel 20
Dynamic structure, by sliding of the cleaning cotton 19 between sliding panel 20 and sliding shoe 21, so as to by main body 1 and public address hood 2 it
Between dust cleared up, and by the cross bar 3 in main body 1, the public address hood 2 that clear up cotton 19 and main body 1 can be fitted closely,
And 2 surface adhesive dust of public address hood can be prevented, the lower end of sliding shoe 21 is fixed with sliding panel 20, and sliding panel 20 and sliding
It is fixedly connected between block 21,20 lower end of sliding panel is connected with cleaning cotton 19；
The top upper end of main body 1, which is fixed with, carries snap-gauge 22, and carries card between main body 1 and carrying snap-gauge 22 to be fixedly connected
The lower end of plate 22 is connected with stent bolt 23, and to be welded to connect between main body 1 and stent bolt 23, the middle part of stent bolt 23 is equipped with
Movable plate 24, the left and right ends of movable plate 24 are fixed with limit buckle 25, and to be fixedly connected between movable plate 24 and limit buckle 25,
It carries center line between snap-gauge 22 and movable plate 24 to intersect, and stent bolt 23 is configured to buckle by movable plate 24 with limit buckle 25
Structure, by sliding of the movable plate 24 between stent bolt 23 and limit buckle 25, so as to which limit buckle 25 is buckled in bracket
On bolt 23, and the carrying snap-gauge 22 in main body 1 of arranging in pairs or groups, so as to be fixed buckle to public address equipment, and convenient for users to
Public address equipment is carried, and can prevent public address equipment from occurring to take off by carrying snap-gauge 22, stent bolt 23 and limit buckle 25
It is unexpected to fall collision, the right surface middle part of main body 1 is provided with USB interface 28, and to be fixedly connected between main body 1 and USB interface 28,
The left side upper and lower ends of USB interface 28 are fixed with fixed column 27, and the two sides up and down of fixed column 27 are connected with dust excluding plate 26, dust-proof
To be flexibly connected between plate 26 and fixed column 27, and dust excluding plate 26 is configured to rotational structure by fixed column 27 and USB interface 28,
By rotary motion of the dust excluding plate 26 between fixed column 27, so as to which the USB interface 28 in main body 1 is carried out revotating card
It closes, and USB interface 28 can be carried out by moisture-proof proofing dust and protecting by the dust excluding plate 26 of about 1 main body, and connect by USB
Mobile phone and public address equipment can be attached by mouth 28, so as to which University classroom is intelligent, and be capable of the teaching money of teacher
Material directly carries out the broadcasting that amplifies, and the left and right ends of backup cartridge 7 are connected with position-limited rack 30, and tight between backup cartridge 7 and position-limited rack 30
Closely connected conjunction, the upper and lower ends of position-limited rack 30 are equipped with nut 29, fit closely between main body 1 and backup cartridge 7, and backup cartridge 7 is logical
It crosses nut 29 and position-limited rack 30 is configured to helicitic texture, by turning nut 29 so as to the backup cartridge 7 and limit to main body 1
Frame 30 carries out disassembly separating treatment, and can carry out internal structure maintenance protection to main body 1, and standby convenient for users to enabling
With scheme, so as to which Teaching in University to be carried out to lasting work, and it can prevent public address equipment from breaking down problem, and energy
Enough avoid influencing the progress of curricula, two sides are respectively connected with sheet rubber 31 up and down for the inside of backup cartridge 7, and backup cartridge 7 with
It is connected between sheet rubber 31 for glue, the inside of sheet rubber 31 is provided with battery 33, and the inside of battery 33 is mounted on modeling
Expect pearl 32, and is to be flexibly connected between backup cartridge 7 and plastic bead 32.
The working principle of the present embodiment: the anti-tampering public address equipment with reserve battery of the teacher passes through first
GB14960 RF transmitter 6 is so as to preventing that signal interference situation, and 890-2430,239- occur in teaching process
0354,2J1-1500 by actinolyte 17 so as to spat on microphone liquid bacterium carry out ultraviolet sterilization, and
By partition 10 and splash guard 11 so as to carry out internal structure protection to public address equipment, and can be by main body 1, partition 10
Certain working space is kept with splash guard 11, and sheet rubber 31 and plastic bead 32 can prevent battery 33 and electric leakage occur now
As by rotary motion of the dust excluding plate 26 between fixed column 27, so as to which the USB interface 28 in main body 1 is rotated
Engaging, and USB interface 28 can be carried out by moisture-proof proofing dust and protecting by the dust excluding plate 26 of about 1 main body, and pass through USB
Mobile phone and public address equipment can be attached by interface 28, so as to which University classroom is intelligent, and be capable of the teaching of teacher
Data directly carries out the broadcasting that amplifies, and by the spring stack 16 between bracket 14 and Mike's wind groove 15, sets so as to protect to amplify
Standby microphone, and can be placed between actinolyte 17 and fixing groove 18, and its surface can be carried out
Ultraviolet sterilization is attached to microphone surface so as to prevent indoor dust, and can safeguard the health of teacher, and lead to
The spring stack 16 between bracket 14 and Mike's wind groove 15 is crossed, must be ultraviolet sterilization space so as to provide, pass through activity
Sliding of the plate 24 between stent bolt 23 and limit buckle 25 so as to which limit buckle 25 to be buckled on stent bolt 23, and is arranged in pairs or groups
Carrying snap-gauge 22 in main body 1 so as to which buckle is fixed to public address equipment, and sets convenient for users to carrying to amplify
It is standby, and can prevent public address equipment from falling off collision surprisingly by carrying snap-gauge 22, stent bolt 23 and limit buckle 25, pass through
Engaging campaign of the backplate 12 between connecting rod 9 and fixed plate 8, so as to which backplate 12 is engaged on the body 1, and can be pre-
Anti- public address equipment collides accident, and by the engaging of about 12 backplate, can integrally wrap up public address equipment, thus
Can pre- liquidproof and other foreign matters enter in public address equipment, and do not influenced by Changes in weather, and can play certain
Moisture-proof damp proof effect is carried out at disassembly separation by turning nut 29 so as to the backup cartridge 7 and position-limited rack 30 to main body 1
Reason, and internal structure maintenance protection can be carried out, and to main body 1 convenient for users to enabling alternative scheme, so as to will be big
It learns teaching and carries out lasting work, and can prevent public address equipment from breaking down problem, and can be avoided and influence teaching class
The progress of journey, by activity of the bolt slot 5 between frame 4 and RF transmitter 6, so as to be dismantled by bolt slot 5
RF transmitter 6 in frame 4, and replacement processing can be carried out to it, and can be to zero in main body 1 and public address hood 2
Component repairs, and by public address hood RF transmitter 6, the infrared light-wave carrier utilized cannot pass through wall, first
It has confidentiality and easy isolation, can effectively overcome the problems, such as string frequency between adjacent classroom, while infrared ray is a kind of peace
Entirely, radiationless light wave, infrared ray emitting portion are beneficial and harmless to human body.Transmitter uses lithium ion battery, without frequent
Battery is replaced, by sliding of the cleaning cotton 19 between sliding panel 20 and sliding shoe 21, so as to by main body 1 and public address hood 2
Between dust cleared up, and by the cross bar 3 in main body 1, can will clear up cotton 19 and the public address hood 2 of main body 1 is closely pasted
It closes, and 2 surface adhesive dust of public address hood can be prevented, here it is the anti-tampering public address equipments with reserve battery of the teacher
Working principle.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of public address equipment with anti-interference function, including main body (1) and connecting rod (9), it is characterised in that: the main body
(1) it is fixed with public address hood (2) in the middle part of inside, and to be fixedly connected between main body (1) and public address hood (2), the public address hood (2)
Top be equipped with cross bar (3), and between main body (1) and cross bar (3) for be welded to connect, the left and right sides of the public address hood (2)
It is fixed with frame (4), and to be fixedly connected between main body (1) and frame (4), the frame (4) is internally provided with infrared ray
Transmitter (6), and the upper and lower ends of RF transmitter (6) are connected with bolt slot (5), the bottom end installation of the public address hood (2)
Have backup cartridge (7), and central axes are intersected between public address hood (2) and backup cartridge (7), the connecting rod (9) is connected to backup cartridge (7)
Bottom, the left and right ends of the connecting rod (9) are equipped with fixed plate (8), and close between fixed plate (8) and connecting rod (9)
Fitting, the two sides up and down of the connecting rod (9) are fixed with backplate (12).
2. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: the bolt slot
(5) it is fitted closely between RF transmitter (6), and frame (4) is made up of bolt slot (5) and RF transmitter (6)
For detaching structure.
3. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: the connecting rod
It (9) is vertical structure between backplate (12), and main body (1) is configured to snap-in structure by connecting rod (9) and backplate (12).
4. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: the backplate (12)
Middle part be fixed with splash guard (11), and to be fixedly connected between splash guard (11) and backplate (12), the splash guard (11)
Inside is mounted on partition (10), and to be welded to connect between partition (10) and splash guard (11), the bottom end of the backplate (12)
The left and right sides is provided with fastening plate (13), is fixed with bracket (14) on the left of the main body (1), and main body (1) and bracket (14)
Between to be fixedly connected, the inner bottom of the bracket (14) is equipped with Mike's wind groove (15), and bracket (14) and Mike's wind groove
(15) central axes are intersected between, and the inside of Mike's wind groove (15) is respectively and fixedly provided with spring stack (16), Mike's wind groove (15)
Top be connected with actinolyte (17), it is described and to be fixedly connected between bracket (14) and actinolyte (17)
It is fixed at the top of actinolyte (17) fixing groove (18), the left end of the cross bar (3) is equipped with sliding shoe (21), and horizontal
It is fitted closely between bar (3) and sliding shoe (21), the lower end of the sliding shoe (21) is fixed with sliding panel (20), and sliding panel
(20) it is fixedly connected between sliding shoe (21), sliding panel (20) lower end is connected with cleaning cotton (19).
5. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: Mike's wind groove
(15) to be fixedly connected between spring stack (16), and bracket (14) is configured to bullet by Mike's wind groove (15) and spring stack (16)
Property structure.
6. a kind of public address equipment with anti-interference function according to claim 4, it is characterised in that: the cleaning cotton
(19) it is connect between sliding panel (20) for glue, and clears up cotton (19) and be configured to sliding with sliding shoe (21) by sliding panel (20)
Dynamic structure.
7. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: the main body (1)
Top upper end be fixed with and carry snap-gauge (22), and main body (1) with carry between snap-gauge (22) to be fixedly connected, the carrying blocks
The lower end of plate (22) is connected with stent bolt (23), and to be welded to connect between main body (1) and stent bolt (23), the stent bolt
(23) it is equipped in the middle part of movable plate (24), the left and right ends of the movable plate (24) are fixed with limit buckle (25), and movable plate
(24) to be fixedly connected between limit buckle (25), the right surface middle part of the main body (1) is provided with USB interface (28), and main
To be fixedly connected between body (1) and USB interface (28), the left side upper and lower ends of the USB interface (28) are fixed with fixed column
(27), and the two sides up and down of fixed column (27) are connected with dust excluding plate (26), and the left and right ends of the backup cartridge (7) are connected with limit
Frame (30), and fitted closely between backup cartridge (7) and position-limited rack (30), the upper and lower ends of the position-limited rack (30) are equipped with nut
(29), the inside of the backup cartridge (7) is respectively connected with sheet rubber (31) two sides up and down, and backup cartridge (7) and sheet rubber (31) it
Between connected for glue, be provided with battery (33) on the inside of the sheet rubber (31), be respectively mounted on the inside of the battery (33)
Have plastic bead (32), and is to be flexibly connected between backup cartridge (7) and plastic bead (32).
8. a kind of public address equipment with anti-interference function according to claim 1, it is characterised in that: the main body (1)
It is fitted closely between backup cartridge (7), and backup cartridge (7) is configured to helicitic texture by nut (29) and position-limited rack (30).
9. a kind of public address equipment with anti-interference function according to claim 7, it is characterised in that: the carrying snap-gauge
(22) center line intersects between movable plate (24), and stent bolt (23) is configured to card with limit buckle (25) by movable plate (24)
Buckle structure.
10. a kind of public address equipment with anti-interference function according to claim 7, it is characterised in that: the dust excluding plate
(26) to be flexibly connected between fixed column (27), and dust excluding plate (26) is configured to by fixed column (27) with USB interface (28)
Rotational structure.
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| CN201910177764.0A CN109769190B (en) | 2019-03-10 | 2019-03-10 | Sound amplification equipment with anti-interference function |
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| CN109769190B CN109769190B (en) | 2020-08-21 |
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| CN1288303A (en) * | 1999-09-13 | 2001-03-21 | 杭州杭信电子工贸有限公司 | Infrared teaching aid system and its installing mode |
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| CN109769190B (en) | 2020-08-21 |
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