CN209283518U - A kind of packaged type public address system - Google Patents
A kind of packaged type public address system Download PDFInfo
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- CN209283518U CN209283518U CN201920131508.3U CN201920131508U CN209283518U CN 209283518 U CN209283518 U CN 209283518U CN 201920131508 U CN201920131508 U CN 201920131508U CN 209283518 U CN209283518 U CN 209283518U
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- telescopic
- cabinet
- power amplifier
- receiver
- telescopic rod
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Abstract
The utility model discloses a kind of packaged type public address systems, including cabinet, loudspeaker, receiver and power amplifier, the bottom of the cabinet is equipped with pulley, partition is equipped in cabinet, partition will be divided into two parts up and down in cabinet, wherein, the upper surface of partition is equipped with two telescopic rods being parallel to each other, the end of two telescopic rods is equipped with handle, handle is equipped with telescopic key, loudspeaker are set between two telescopic rods, receiver and the superimposed lower section for being set to partition of power amplifier, receiver is connected with power amplifier, power amplifier is connected with loudspeaker, position corresponding with receiver and power amplifier offers operation door on cabinet.The utility model structure is simple, it is easy to operate, mobility strong, and communication distance is long, it can be used for the places commanders such as traffic administration, traffic indication, large-scale public security, public security, it can also be used for super expressway dredging, warning, early warning, and the places such as traffic checking, forest fire protection, large reservoir dangerous situation, prison are broadcasted, alert device is used.
Description
Technical field
The utility model relates to broadcast stereo apparatus fields, and in particular to a kind of packaged type public address system.
Background technique
Existing road, forest, reservoir or the public address system in public places such as megastore, parks generally use solid
Surely the wired loudspeaker being arranged, when in case of emergency, Central Control Room is broadcasted using wired loudspeaker, prompting pedestrian takes precautions against or dredges
It dissipates, the communication distance of this loudspeaker is extremely limited, and cannot arbitrarily move, to bring great inconvenience to using.
Utility model content
The purpose of this utility model is to provide a kind of packaged type public address system, using wireless way for transmitting signal, from
And it can be placed in any place and use.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of packaged type public address system, including cabinet, loudspeaker, receiver and power amplifier, the bottom of the cabinet are equipped with
Universal wheel, cabinet is interior to be equipped with partition, and partition will be divided into two parts up and down in cabinet, wherein the upper surface of partition is equipped with two
The telescopic rod being parallel to each other, the end of two telescopic rods are equipped with handle, and handle is equipped with telescopic key, and loudspeaker are set to two and stretch
Between contracting bar, the receiver and the superimposed lower section for being set to partition of power amplifier, receiver are connected with power amplifier, power amplifier with
Loudspeaker are connected, and position corresponding with receiver and power amplifier offers operation door on the cabinet.
Preferably, the receiver includes control module and is connected to the control module GPRS digital transmission module and USB respectively
Digital transmission module, control module control connection power amplifier.
Preferably, the power amplifier includes low-power audio amplifying circuit, switch power amplifier and the filter being sequentially connected
Wave device, filter output signal to loudspeaker.
Preferably, the telescopic rod includes that the first telescopic joint, the second telescopic joint and third set gradually from top to bottom is stretched
Casing coupling, each telescopic joint are hollow structure, and the first telescopic joint and the second telescopic joint are successively sheathed in third telescopic joint, and first
Telescopic joint is connected with handle, and third telescopic joint is fixedly connected with the upper surface of partition, is equipped with first connecting rod in the handle, and first
The middle part of connecting rod is connected with telescopic key, and telescopic key extends to the upper surface of handle, and the lower surface of first connecting rod is provided with more
A spring, each spring are fixedly connected with handle inner wall respectively, and the both ends of first connecting rod are respectively equipped with second connecting rod, second connecting rod
It is respectively arranged in the first telescopic joint, the lower end of second connecting rod is taper, is located at below second connecting rod in first telescopic rod
Position be equipped with the first positioning protrusion, the upper end of the second telescopic rod is correspondingly provided with first positioning hole, one end of the first positioning protrusion
It is fixedly connected through spring with the inner wall of the first telescopic rod, the other end of the first positioning protrusion passes through the first telescopic rod and is connected in the
In a positioning hole, the upper surface of the first positioning protrusion is taper, and the lower surface of shape and second connecting rod matches, so that second
When connecting rod moves down, the first locating piece is driven to retract from the first locating piece, the first positioning protrusion is downward with the first telescopic rod
It is mobile.
The lower end of first telescopic rod is also taper, and it is fixed that the position on the side wall of the second telescopic rod on the lower offers second
Position hole, is correspondingly provided with the second positioning protrusion on the inner wall of the second telescopic rod, one end of the second positioning protrusion is stretched through spring with second
The inner wall of contracting bar is fixedly connected, and the other end of the second positioning protrusion is connected in second location hole, the upper table of the second positioning protrusion
Face is taper, and shape and the lower surface of the first telescopic rod match, and when so that the first telescopic rod moving down, drives second to determine
Position block is retracted from the second locating piece, and the second positioning protrusion is moved down with the second telescopic rod.
Preferably, cross bar, the both ends of the cross bar third telescopic joint with two telescopic rods respectively are equipped between two telescopic rods
It is fixedly connected.
Preferably, the position above partition is located on the inner wall of the cabinet and is fixed with battery, battery respectively with loudspeaker,
Receiver is connected with power amplifier.
Preferably, it is additionally provided with alarming device above the loudspeaker, alarming device includes shell and is respectively arranged at shell
Indicator light on former and later two sides, indicator light are connected with battery, the size of shell and equal sized, the guarantee warning dress of cabinet
Setting can be completely covered on cabinet when falling.
Preferably, it is respectively arranged with the first buckle in the left and right two side walls of the shell, is correspondingly arranged on cabinet
Two buckles after alarming device is fallen, are fastened on cabinet through the first buckle and second.
Preferably, it is located on the side wall of the cabinet and is provided with indicator light switch and electricity display screen, indicator light switch are set
It is placed on the power supply line of indicator light, electricity display screen connects battery.
The utility model has the following beneficial effects:
(1) the utility model by receiver receive signal, signal is amplified by power amplifier, and by loudspeaker into
Row plays, so that pedestrian be reminded to take precautions against or evacuate, receiver is there are three types of the mode of reception, and communication distance is long, signaling rate
Fastly；
(2) by the way that pulley is arranged below cabinet, telescopic rod is set in cabinet, be accommodated in loudspeaker can in cabinet,
And it is moved to any desired position, mobility strong is easy to use；
(3) receiver supports multi-signal input, both can receive external wireless signals, also can be inserted into USB flash disk and plays audio, also
Can be linked up at the scene, advised, dredged and be dispersed a crowd use, vdiverse in function.
The utility model structure is simple, easy to operate, mobility strong, and communication distance is long, can be used for traffic administration, traffic
The places commander such as indication, large-scale public security, public security, it can also be used to super expressway dredging, warning, early warning, and in traffic checking, gloomy
Places are broadcasted, alert device is used for woods fire prevention, large reservoir dangerous situation, prison etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the utility model；
Fig. 2 is the structural schematic diagram two of the utility model；
Fig. 3 is the structural schematic diagram of telescopic rod described in the utility model；
Fig. 4 is partial enlarged view when telescopic rod stretches out in Fig. 3 at A；
Fig. 5 is partial enlarged view when telescopic rod is shunk in Fig. 3 at A
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described reality
The section Example that example is only the utility model is applied, instead of all the embodiments.Based on the embodiments of the present invention,
Those of ordinary skill in the art's other all embodiments obtained without making creative work belong to this
The protection scope of utility model.
As shown in Figures 1 to 5, the utility model discloses a kind of packaged type public address system, including cabinet 1, loudspeaker 7,
The bottom of receiver and power amplifier, cabinet 1 is equipped with universal wheel 6, so that the utility model is movable to any desired place, case
Partition is equipped in body 1, partition will be divided into two parts up and down in cabinet 1, wherein the upper surface of partition is equipped with two and is parallel to each other
Telescopic rod 12, the ends of two telescopic rods 12 is equipped with handle 4, and handle 4 is equipped with telescopic key 3, and loudspeaker 7 are set to two and stretch
Between contracting bar 12, receiver and the superimposed lower section for being set to partition of power amplifier, receiver are connected with power amplifier, power amplifier and loudspeaker
7 be connected, the position above partition is located on the inner wall of cabinet 1 and is fixed with battery, battery respectively with loudspeaker 7, receiver and
Power amplifier is connected, and position corresponding with receiver and power amplifier offers operation door 11 on cabinet 1, and operation door 11 is for connecing
External equipment is connected on receipts machine, simultaneously can be used for repairing receiver and power amplifier.
The top of loudspeaker 7 is additionally provided with alarming device, alarming device include shell 2 and be respectively arranged at shell 2 former and later two
Indicator light 5 on side, the size of shell 2 is equal sized with cabinet 1, guarantees to be completely covered on when alarming device is fallen
On cabinet 1, indicator light 5 is connected with battery, is respectively arranged with the first buckle 8 in the left and right two side walls of shell 2, right on cabinet 1
It should be provided with the second buckle 10, after alarming device is fallen, be fastened on cabinet 1 through the first buckle 8 and the second buckle 10.
Receiver includes control module and is connected to the control module GPRS digital transmission module and USB digital transmission module respectively, control
Molding block control connection power amplifier, GPRS digital transmission module are used to receive the information of mobile phone sending, and USB digital transmission module is for being inserted into U
Disk or wireless receiving head；Power amplifier includes low-power audio amplifying circuit, switch power amplifier and the filter being sequentially connected,
Filter output signal is to loudspeaker.Wherein, receiver uses SLK-YC series of reception machine, and power amplifier uses SLK-100B intelligence function
Machine is put, the receiver and power amplifier are commercial product, and specific structure repeats no more.
Telescopic rod 12 includes that the first telescopic joint 12-1, the second telescopic joint 12-2 and the third set gradually from top to bottom is stretched
12-3 is saved, each telescopic joint is hollow structure, and the first telescopic joint 12-1 and the second telescopic joint 12-2 are successively sheathed on third and stretch
In casing coupling 12-3, the first telescopic joint 12-1 is connected with handle 4, and third telescopic joint 12-3 is fixedly connected with the upper surface of partition, and two
It is additionally provided with cross bar 9 between root third telescopic joint 12-3, is equipped with first connecting rod 13 in handle 4, the middle part of first connecting rod 13 and flexible
Key 3 is connected, and telescopic key 3 extends to the upper surface of handle 4, and the lower surface of first connecting rod 13 is provided with multiple springs 14, respectively
A spring 14 is fixedly connected with the inner wall of handle 4 respectively, and the both ends of first connecting rod 13 are respectively equipped with second connecting rod 15, second connecting rod
15 are respectively arranged in the first telescopic joint 12-1, and the lower end of second connecting rod 15 is taper, and the first telescopic rod 12-1's is internally located at
The position of 15 lower section of second connecting rod is equipped with the first positioning protrusion 16, and the upper end of the second telescopic rod 12-2 is correspondingly provided with first positioning hole
17, one end of the first positioning protrusion 16 is fixedly connected through spring 14 with the inner wall of the first telescopic rod 12-1, the first positioning protrusion 16
The other end pass through and the first telescopic rod 12-1 and be connected in first positioning hole 17, the upper surface of the first positioning protrusion 16 is cone
Shape, shape and the lower surface of second connecting rod 15 match, and when so that second connecting rod 15 moving down, drive the first positioning protrusion
16 retract from first positioning hole 17, and the first positioning protrusion 16 is moved down with the first telescopic rod 12-1；First telescopic rod 12-1
Lower end be also taper, the position of the inside of the second telescopic rod 12-2 on the lower is equipped with the second positioning protrusion, third telescopic rod 12-3
Upper end be correspondingly provided with second location hole, one end of the second positioning protrusion connects through the inner wall of spring and the second telescopic rod 12-2 are fixed
It connects, the other end of the second positioning protrusion passes through the second telescopic rod 12-2 and is connected in second location hole, the second positioning protrusion
Upper surface is taper, and shape and the lower surface of the first telescopic rod 12-1 match, so that the first telescopic rod 12-1 is moved down
When, drive the second locating piece to retract from the second locating piece, the second positioning protrusion is moved down with the second telescopic rod 12-2.
In addition, being provided with indicator light switch on the side wall of cabinet 1 and electricity display screen, indicator light switch are set to indicator light
Power supply line on, electricity display screen connect battery.
When the utility model is used, be pulled upwardly handle 4, the first telescopic rod 12-1 and the second telescopic rod 12-2 respectively to
Upper movement, when the second positioning protrusion is moved at second location hole, the second positioning protrusion is connected under the action of the spring
Two positioning holes, the second telescopic rod 12-2 stop movement, when the first positioning protrusion 16 is moved at first positioning hole 17, first
Positioning protrusion 16 is connected under action from the spring 14 in first positioning hole 17, and the first telescopic rod 12-1 stops movement, at this time loudspeaker
7 pulled out out of cabinet 1, open receiver, be equipped with GPRS digital transmission module in receiver, when the public address system location occurs
When emergency, Central Control Room can dial the phone of the public address system, broadcast dangerous situation through GPRS digital transmission module, the masses is notified to evacuate；
USB digital transmission module in receiver can be inserted into USB flash disk, so that the audio content in the USB flash disk is played, such as recording, song, in addition,
USB digital transmission module also can be inserted into wireless receiving head, carries out recording by earphone-microphone or scene is propagandaed directed to communicate.Receiver and Central Control Room it
Between and the connection relationship between receiver and external equipment and the course of work be the prior art, do not repeating.
After the completion of use, telescopic key 3 is pressed, first connecting rod 13 drives second connecting rod 15 to move down, second connecting rod 15
End exit the first positioning protrusion 16 from first positioning hole 17, the first positioning protrusion 16 no longer insert resistance in first positioning hole
In 17, the first telescopic rod 12-1 continues to move down, and the end of the first telescopic rod 12-1 makes the second positioning protrusion from the second positioning
It being exited in hole, the second positioning protrusion no longer inserts resistance in second location hole, and the second telescopic rod 12-2 continues to move down, until the
One telescopic rod 12-1 and the second telescopic rod 12-2 are fallen completely, and loudspeaker 7 are withdrawn in cabinet 1, by the first buckle 8 and the second buckle 10
It fastens, so as to which the utility model to be moved to the place of needs.
The utility model structure is simple, easy to operate, mobility strong, and communication distance is long, can be used for traffic administration, traffic
The places commander such as indication, large-scale public security, public security, it can also be used to super expressway dredging, warning, early warning, and in traffic checking, gloomy
Places are broadcasted, alert device is used for woods fire prevention, large reservoir dangerous situation, prison etc..
Claims (9)
1. a kind of packaged type public address system, it is characterised in that: including cabinet, loudspeaker, receiver and power amplifier, the cabinet
Bottom is equipped with universal wheel, and partition is equipped in cabinet, and partition will be divided into two parts up and down in cabinet, wherein the upper surface of partition
The telescopic rod being parallel to each other equipped with two, the end of two telescopic rods are equipped with handle, and handle is equipped with telescopic key, loudspeaker setting
Between two telescopic rods, the receiver and the superimposed lower section for being set to partition of power amplifier, receiver are connected with power amplifier,
Power amplifier is connected with loudspeaker, and position corresponding with receiver and power amplifier offers operation door on the cabinet.
2. a kind of packaged type public address system as described in claim 1, it is characterised in that: the receiver includes control module
And it is connected to the control module GPRS digital transmission module and USB digital transmission module respectively, control module control connection power amplifier.
3. a kind of packaged type public address system as claimed in claim 2, it is characterised in that: the power amplifier includes being sequentially connected
Low-power audio amplifying circuit, switch power amplifier and filter, filter output signal to loudspeaker.
4. a kind of packaged type public address system as described in claim 1, it is characterised in that: the telescopic rod includes from top to bottom
The first telescopic joint, the second telescopic joint and the third telescopic joint set gradually, each telescopic joint are hollow structure, the first telescopic joint
Successively be sheathed in third telescopic joint with the second telescopic joint, the first telescopic joint is connected with handle, third telescopic joint and partition it is upper
Surface is fixedly connected, and first connecting rod is equipped in the handle, and the middle part of first connecting rod is connected with telescopic key, and telescopic key extends
To the upper surface of handle, the lower surface of first connecting rod is provided with multiple springs, and each spring is fixedly connected with handle inner wall respectively,
The both ends of first connecting rod are respectively equipped with second connecting rod, and second connecting rod is respectively arranged in the first telescopic joint, the lower end of second connecting rod
For taper, the position in first telescopic rod below second connecting rod is equipped with the first positioning protrusion, the second telescopic rod it is upper
End is correspondingly provided with first positioning hole, and one end of the first positioning protrusion is fixedly connected through spring with the inner wall of the first telescopic rod, and first
The other end of positioning protrusion passes through the first telescopic rod and is connected in first positioning hole, and the upper surface of the first positioning protrusion is cone
The lower surface of shape, shape and second connecting rod matches, and when so that second connecting rod moving down, drives the first locating piece from first
It is retracted in locating piece, the first positioning protrusion is moved down with the first telescopic rod；
The lower end of first telescopic rod is also taper, and the position on the side wall of the second telescopic rod on the lower offers the second positioning
Hole, the second positioning protrusion is correspondingly provided on the inner wall of the second telescopic rod, and one end of the second positioning protrusion is flexible through spring and second
The inner wall of bar is fixedly connected, and the other end of the second positioning protrusion is connected in second location hole, the upper surface of the second positioning protrusion
For taper, shape and the lower surface of the first telescopic rod match, and when so that the first telescopic rod moving down, drive the second positioning
Block is retracted from the second locating piece, and the second positioning protrusion is moved down with the second telescopic rod.
5. a kind of packaged type public address system as claimed in claim 4, it is characterised in that: be equipped with cross between two telescopic rods
Bar, the both ends of cross bar are fixedly connected with the third telescopic joint of two telescopic rods respectively.
6. such as a kind of packaged type public address system described in any one of claim 1 to 5, it is characterised in that: the cabinet it is interior
It is located at the position above partition on wall and is fixed with battery, battery is connected with loudspeaker, receiver and power amplifier respectively.
7. a kind of packaged type public address system as claimed in claim 6, it is characterised in that: be additionally provided with police above the loudspeaker
Showing device, alarming device include shell and the indicator light that is respectively arranged on former and later two sides of shell, indicator light and battery phase
Even, the size of shell and cabinet is equal sized, guarantees to be completely covered on cabinet when alarming device is fallen.
8. a kind of packaged type public address system as claimed in claim 7, it is characterised in that: the left and right two side walls of the shell
On be respectively arranged with the first buckle, the second buckle is correspondingly arranged on cabinet, after alarming device is fallen, through first buckle and second
It is fastened on cabinet.
9. a kind of packaged type public address system as claimed in claim 8, it is characterised in that: be located on the side wall of the cabinet and set
It is equipped with indicator light switch and electricity display screen, indicator light switch is set on the power supply line of indicator light, electricity display screen connection electricity
Pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131508.3U CN209283518U (en) | 2019-01-25 | 2019-01-25 | A kind of packaged type public address system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920131508.3U CN209283518U (en) | 2019-01-25 | 2019-01-25 | A kind of packaged type public address system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209283518U true CN209283518U (en) | 2019-08-20 |
Family
ID=67605817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920131508.3U Active CN209283518U (en) | 2019-01-25 | 2019-01-25 | A kind of packaged type public address system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209283518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856056A (en) * | 2019-11-22 | 2020-02-28 | 广东一华科技有限公司 | Lifting retractable sound box |
-
2019
- 2019-01-25 CN CN201920131508.3U patent/CN209283518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856056A (en) * | 2019-11-22 | 2020-02-28 | 广东一华科技有限公司 | Lifting retractable sound box |
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