CN207369087U - The portable words station of PAGING systems - Google Patents
The portable words station of PAGING systems Download PDFInfo
- Publication number
- CN207369087U CN207369087U CN201721216828.6U CN201721216828U CN207369087U CN 207369087 U CN207369087 U CN 207369087U CN 201721216828 U CN201721216828 U CN 201721216828U CN 207369087 U CN207369087 U CN 207369087U
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- microphone
- portable
- circuit plate
- words station
- words
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Abstract
The utility model provides a kind of portable words station of PAGING systems, including Portable overhaul case, and is arranged at station host, microphone, cable and loudspeaker in the Portable overhaul case；The words station host includes：Channel selection circuit plate, signal amplifier circuit plate and power panel, external power supply connect the power panel, and the output of the power panel enters the signal amplifier circuit plate by the channel selection circuit plate.The utility model is used for the upper maintenance issue that can efficiently solve industry spot words station in industrial communication words station, is directly overhauled before standing if original, and making to overhaul the place having any problem originally becomes more convenient, so that the efficiency that effectively raising personnel overhaul.And then person works' efficiency is improved, ensure live service work is smoothed out and improves its convenience.
Description
Technical field
It the utility model is related to communication equipment field, and in particular, to a kind of portable words station of PAGING systems.
Background technology
It is well known that industrial communication equipment needs more people to coordinate when going wrong at the scene, it is being separated by a certain distance
If stand between carry out the work such as test maintaining, test maintaining work is comparatively more inconvenient, influences work efficiency etc..
Utility model content
For in the prior art the defects of, the purpose of this utility model is to provide a kind of portable words station of PAGING systems.
According to a kind of portable words station of PAGING systems provided by the utility model, including Portable overhaul case, Yi Jishe
It is placed in station host, microphone, cable and loudspeaker in the Portable overhaul case；
The words station host includes：Channel selection circuit plate, signal amplifier circuit plate and power panel, external power supply
The power panel is connected, the output of the power panel enters the signal amplifier circuit by the channel selection circuit plate
Plate.
Preferably, the words station host further includes microphone hanging seat, and being provided with magnet attraction on the microphone hanging seat hangs up switch.
Preferably, broadcast intercom push key is provided with the microphone.
Preferably, the microphone includes earphone and microphone, and sheath is provided with the earphone and the microphone,
The sheath of the microphone is the inclined plane with the transaudient grid of striated.
Preferably, the inclined plane is obliquely installed to the handle orientations of microphone from the bottom to top.
Compared with prior art, the utility model has following beneficial effect：
The utility model is used on industrial communication words station the maintenance issue that can efficiently solve industry spot words station, original
If stand before directly overhaul, making overhaul the place having any problem originally becomes more convenient, so that the effect that effectively raising personnel overhaul
Rate.And then person works' efficiency is improved, ensure live service work is smoothed out and improves its convenience.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the structure diagram of microphone described in the utility model；
Fig. 3 is the gain diagram of the microphone of microphone described in the utility model；
Fig. 4 is the circuit diagram of the signal amplifier circuit plate of the utility model；
Fig. 5 is the circuit diagram of the power panel of the utility model；
Fig. 6 is the circuit diagram of the channel selection circuit plate of the utility model.
Embodiment
The utility model is described in detail with reference to specific embodiment.Following embodiments will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some changes and improvements can also be made.
These belong to the scope of protection of the utility model.
As shown in Figure 1, the portable words station of a kind of PAGING systems provided by the utility model, including Portable overhaul case 1,
And it is arranged at station host 2, microphone 3, cable 4 and loudspeaker 5 in Portable overhaul case 1.
Words station host includes：Channel selection circuit plate, signal amplifier circuit plate and power panel, external power supply connection
Channel selection circuit plate entering signal amplifier circuit plate is passed through in power panel, the output of power panel.
The utility model employs the modular design of science, and the circuit of system is divided into passage choosing according to the difference of function
Circuit board, signal amplifier circuit plate, power panel three parts are selected, are conducive to the Quick overhaul of industry spot, while also drop
Low maintenance cost, improves maintenance efficiency.Wherein, the setting of channel selection circuit plate, makes operator can be according to the feelings at scene
Condition keeps in communication with the passage of required connection contact in time, accident is handled within the shortest time, to avoid making
Into unnecessary loss.The setting of signal amplifier circuit plate, can be mutually matched the sound of different impedances.
Words station host further includes microphone hanging seat, and magnet attraction is provided with microphone hanging seat and hangs up switch, can be effectively prevented from existing
Dust and dregs from hang up at switch enter words station host and cause words station failure, ensure words station host sealed set.
The connecting and disconnecting of relay in microphone hanging seat are arranged on to control by being arranged on the magneticaction of microphone earphone upper speaker,
Electric energy is saved, electric component aging is avoided, extends its service life, avoids the interior storage of microphone need not in this way, can also play at the same time
Noise wanted etc. acts on.
The broadcast intercom push key switch for talking about station is arranged on the handle of microphone by the utility model, greatly can easily be led to
The operation of people is talked about, operating personnel only need to be directed at button with the finger that hold microphone and gently press, it is possible to easily be broadcasted
Calling, the emergency processing for accident are highly beneficial.In addition, as shown in Fig. 2, microphone 3 includes earphone 301 and microphone
302, sheath 303,304 is respectively arranged with earphone 301 and microphone 302, the sheath 304 of microphone 302 is with striped
The inclined plane of the transaudient grid of shape.And the microphone 302 of microphone 3 is arranged to 10 ohm of muting sensitivity microphone, it ensure that at a distance
The sound transmitted will not be exaggerated.Shown in gain diagram as shown in Figure 3, inclined plane is tilted to the handle orientations of microphone from the bottom to top
Set., the design of oblique angle type microphone sheath ensure that the sharp of its gain diagram, so that ensure that the directionality of microphone, its
The lucky energy face microphone in the pronunciation direction in oral cavity when angle between microphone ensure that telephone user's normal talking, it is achieved thereby that
The voice of field personnel is exaggerated as much as possible, meanwhile, around the microphone of the utility model microphone between its sheath
Cotton noise absorbing layer is equipped with, the ambient noise at scene is effectively inhibited, ensure that the sound transmitted at a distance will not
It is exaggerated.
In order to ensure the called effect of callee, the utility model is equipped with the sheath of earphone meets ergonomics
High sensitivity loudspeaker；And cotton noise absorbing layer is equipped between its sheath around earphone.To ensure from other directions
Noise can be absorbed or filtered out as far as possible, so as to reduce the acoustic pressure caused by noise on human ear.User is even in 113dB
Also clearly sound can be heard under strong noise occasion by earphone.
As shown in figure 4, in the power panel of the utility model：
After line bank on 220VAC plant-grid connection power panels transformer is accessed by fuse.Become by transformer and pressed out
24VAC voltages be linked into bridge rectifier.Indicate that power supply works normally by current-limiting resistance to Light-Emitting Diode at the same time.By bridge
Channel selection circuit plate is connected to after capacitance C1, C2, C3 filtering on the 24VDC power panels that formula rectifier comes out, then by circuit
Option board is connected to 7818 regulator blocks on signal amplifier circuit plate, then exports 18VDC again to circuit by 7818 regulator blocks
The middle device for needing power supply.
It is shown as shown in Figure 5, Figure 6, in the utility model：
Broadcast singal is discharged to RS232D mouthfuls by power panel by wiring, is connected to by winding displacement by channel selection circuit plate
On signal amplifier circuit plate.(it can be adjusted to potentiometer VR3 by coupling transformer T2 on signal amplifier circuit plate
Audition amount), through current-limiting resistance to 3 gear silence switch.Subsequently into AN7161 power amplifier blocks.It is output to after AN7161 amplified signals
Loudspeaker.
Five pairs of speech signals are discharged to RS232D mouthfuls by power panel by wiring, and channel selection circuit plate is connected to by winding displacement
On.By 5 tunnel speech signal access selecting switch (selection of talking path) in the selecting switch of channel selection circuit plate.Selection
The output of switch is connected on signal amplifier circuit plate by winding displacement.Talk line is to passing through after signal amplifier circuit plate
Varistor (protection circuit prevents lightning induction or wave swimming electric current occurs).The output terminal of No. 2 relays is accessed afterwards.From No. 2
The other end of relay comes out partial pressure of the signal Jing Guo No. 1 coupling transformer secondary and is transferred directly to earphone up.
Microphone output signal accesses 26 needle interfaces by the TX1 on channel selection circuit plate and is coupled by winding displacement to signal
Magnification circuit plate.Then potentiometer VR1 puts 101 times and arrives coupling transformer T1 to 5 times of AD2003 limited range enlargements in advance to LM387.By
The input terminal of T1 to No. 1 relay.Speaking wire is directly accessed by relay power panel is linked into by channel selection circuit plate again
Line bank on.
After microphone is hung up, the tongue tube sealing voltage inside hanging seat passes through the HS1 and HS2 on channel selection circuit plate
Terminal accesses the base stage that 26 needle interfaces are added to C1815 by winding displacement to signal amplifier circuit plate, triode ON and then K1
Connect, the terminal of K1 controls is opened, the power remove of LM387 and AD2003.Then it is defeated to be turned off call amplification for output amplifier
Go out passage to be cut off.On the contrary then output amplifier power on output channel is opened.
When broadcast switch is pressed and accesses 26 by the wire connection terminal of the PG1 on channel selection circuit plate and PG2 on handle
Needle interface is connected by winding displacement to signal amplifier circuit plate, K2.The output channel of amplifier is pulled to broadcast singal and leads to
On road.Voice signal is sent to the broadcast channel of system line.After sending out PAGING to switch, K2 is disconnected.The output of amplifier is led to
Road is pulled on speech signal passage.Voice signal is sent to system talking path.
The communication that the utility model is used on industrial communication words station to efficiently solve to industry spot strong noise occasion is asked
Topic, communication contact is established in the region that cannot be communicated originally, is made to communicate the place having any problem originally and is communicated and becomes more fully apparent, from
And effectively improve the service efficiency of communication system.And then production efficiency is improved, ensure production safety and the operating personnel at scene
Life security.
In the description of the present application, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, description the application is for only for ease of and simplifies description, rather than indicates or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the application.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims,
This has no effect on the substantive content of the utility model.In the case where there is no conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily mutually combined.
Claims (5)
1. the portable words station of a kind of PAGING systems, it is characterised in that including Portable overhaul case, and be arranged at described portable
Station host, microphone, cable and loudspeaker in formula service chamber；
The words station host includes：Channel selection circuit plate, signal amplifier circuit plate and power panel, external power supply connection
The power panel, the output of the power panel enter the signal amplifier circuit plate by the channel selection circuit plate.
2. the portable words station of PAGING systems according to claim 1, it is characterised in that the words station host further includes words
Cylinder hanging seat, is provided with magnet attraction on the microphone hanging seat and hangs up switch.
3. the portable words station of PAGING systems according to claim 1, it is characterised in that broadcast is provided with the microphone
Intercom push key.
4. the portable words station of PAGING systems according to claim 1, it is characterised in that the microphone include earphone and
Sheath is provided with microphone, the earphone and the microphone, the sheath of the microphone is with the transaudient grid of striated
Inclined plane.
5. the portable words station of PAGING systems according to claim 4, it is characterised in that the inclined plane from the bottom to top to
The handle orientations of microphone are obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216828.6U CN207369087U (en) | 2017-09-21 | 2017-09-21 | The portable words station of PAGING systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216828.6U CN207369087U (en) | 2017-09-21 | 2017-09-21 | The portable words station of PAGING systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207369087U true CN207369087U (en) | 2018-05-15 |
Family
ID=62349699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721216828.6U Active CN207369087U (en) | 2017-09-21 | 2017-09-21 | The portable words station of PAGING systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207369087U (en) |
-
2017
- 2017-09-21 CN CN201721216828.6U patent/CN207369087U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |