CN203492074U - Amplified phone with sudden stop function - Google Patents
Amplified phone with sudden stop function Download PDFInfo
- Publication number
- CN203492074U CN203492074U CN201320563691.7U CN201320563691U CN203492074U CN 203492074 U CN203492074 U CN 203492074U CN 201320563691 U CN201320563691 U CN 201320563691U CN 203492074 U CN203492074 U CN 203492074U
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- button
- housing
- loudspeaker
- sudden
- panel
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Abstract
The utility model provides an amplified phone with a sudden stop function; the amplified phone comprises a housing, a panel, indication lamps, a sudden stop button, a main control panel, a horn and a chargeable battery pack; two sides of the housing are provided with the indication lamps; the panel is arranged in front of the housing and provided with a nameplate, a function plate, the sudden stop button, a function button, a microphone screen and a horn screen; the lower portion of the housing is provided with the main control panel, the horn, a cell box and a fast connector; the main control panel is fixed on circuit board mounting pillars through screws; the screw is provided with a spring gasket; the horn is arranged below the main control panel; the cell box is arranged on a cell box carrier plate; the chargeable battery pack is arranged in the cell box. The amplified phone with the sudden stop function is simple in structure, convenient in mounting and repairing, has the sudden stop switch function, can be connected with a belt conveyor protection control host and a winch controller, thereby realizing shutdown and communication of the belt conveyor or the winch. The amplified phone is strong in compatibility, simple and easy to learn for use, and good in economic benefits.
Description
Technical field
The utility model relates to communication equipment field, is specially a kind of hands free telephone with sudden-stop function.
Background technology
Along with scientific and technological progress; what safety of coal mines required improves constantly; original colliery electric prospection product has been not suitable with new requirement; at present; the quantity of China's coal-mine underground belt conveyor is quite a lot of, and the control section of belt feeder is mostly separated components and parts (as: contactor, relay etc.) composition.This control appliance volume is large, failure rate is high, maintenance is inconvenient, especially very inconvenient when underground transportation, installation.
In addition, existing mine underground public address set is difficult to support the use with various electrical control gears, more can not shut down and locking equipment, to ensureing that the person and the safety of equipment brings hidden danger.
Utility model content
The technical problem that the utility model solves is to provide a kind of hands free telephone with sudden-stop function, to solve the problem proposing in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind of hands free telephone with sudden-stop function, comprise: housing, panel, indicator light, scram button, master control borad, loudspeaker, rechargable battery group, described housing both sides are provided with indicator light, panel is arranged on housing front portion, described panel is provided with nameplate, station board, scram button, function button, microphone guard, horn mesh enclosure, described lower housing portion is provided with master control borad, loudspeaker, battery case, snap joint, described master control borad is fixed on wiring board erection column by screw, screw is provided with spring washer, loudspeaker are arranged on master control borad bottom, described battery case is arranged on battery case supporting plate, in battery case, be provided with LiMn2O4 rechargeable battery pack.The Power supply of external 10.5-19VDC during normal use, during power failure, battery pack can meet normal use 4 days (adopting 1500-2000mAH lithium battery group), lithium battery group have overcharge, cross put, the protection such as overcurrent, short circuit.Overcurrent protection adopts metal-oxide-semiconductor, and power consumption is very low, battery output is not substantially affected and after overcurrent protection, do not need battery to power on reactivate.The all button of hands free telephone is in intrinsic safety chamber, gets ready, communication function is to be coupled by high-performance solid-state relay and optocoupler, and reliability is high, and audio transmission adopts differential signal, and antijamming capability is strong.
Described function button comprises: outside line button, get button, talk-button ready.
Described loudspeaker are provided with loudspeaker rubber blanket.
Described battery pack overcurrent protection adopts metal-oxide-semiconductor, and power consumption is very low, battery output is not substantially affected and after overcurrent protection, do not need battery to power on reactivate.
Described function button product is got ready, audio transmission adopts differential signal, and antijamming capability is strong, long transmission distance.
Compared with prior art, the beneficial effects of the utility model are: the utility model diverse in function, and installation and repairing is convenient; there is emergency stop switch function; can protect main control system with belt feeder, winch controller connects, and can realize the shutdown of belt conveyer or winch, communication.Products Compatibility is strong, is simple and easy to meeting, good in economic efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is electrical schematic diagram of the present utility model.
Fig. 3 is battery current foldback circuit figure of the present utility model.
In figure: 1, indicator light; 4, microphone guard; 5, function button; 6, scram button; 7, nameplate; 8, spring washer; 10, sealing gasket; 11, station board; 12, loudspeaker rubber blanket; 13, loudspeaker; 14, snap joint; 15, master control borad; 16, screw; 19, wiring board erection column; 20, battery case; 21, battery case supporting plate.
Embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of hands free telephone with sudden-stop function, comprise: housing, panel, indicator light 1, scram button 6, master control borad 15, loudspeaker 13, rechargable battery group, described housing both sides are provided with indicator light 1, panel is arranged on housing front portion, described panel is provided with nameplate 7, station board 11, scram button 6, function button 5, microphone guard 4, loudspeaker 13 guards, described lower housing portion is provided with master control borad 15, loudspeaker 13, battery case 20, snap joint 14, described master control borad 15 is fixed on wiring board erection column 19 by screw 16, screw 16 is provided with spring washer 8, loudspeaker 13 are arranged on master control borad 15 bottoms, described battery case 20 is arranged on battery case supporting plate 21, in battery case 20, be provided with rechargable battery group.
Described function button 5 comprises: outside line button, get button, talk-button ready.
Described loudspeaker 13 are provided with loudspeaker rubber blanket 12.
Between described panel and housing, be provided with sealing gasket 10, between panel and housing, by hexagonal normal plane bolt, be connected, hexagonal normal plane bolt is provided with spring washer 8.
Described shell is that material is that Q235A steel form, and housing adopts hexagon socket head cap screw fastening, and in lithium ion battery pack module is arranged on, lithium ion battery pack module is placed on the battery case 20 being welded by Q235A, and then built-in baffle waters and seal with the agent of epoxy encapsulation.Communication function plate, loudspeaker 13 and call part are installed on this intrinsic safety housing; Described intrinsic safety housing is to adopt the welded structure of Q235A material, housing is delivered to intrinsic safety housing by having screw thread incoming line, sealing ring, back-up ring, the clamp nut of water-proof function by intrinsic safety electric source, intrinsic safety housing has individual upper cover, can quick and conveniently open, this housing is provided with installing hole and erection column, communication function plate, button, loudspeaker 13 and call part are installed, and described part connects by winding displacement or cable.The utility model is simple in structure, and installation and repairing is convenient, and two above communication signals are connected, and can realize half work communicating talkback, warnings of ringing a bell, and presses scram button 6, can export often open or normally closed contact for miscellaneous equipment, while indicator light 1 is luminous.
As shown in Figure 2 and Figure 3, the electric bridge that intrinsic safety electric source part diode forms, through triode current limliting, diode voltage stabilizing charges the battery, the voltage stabilizing didoe of employing is positive temperature coefficient ,-10 ℃ also can be more than voltage stabilizing 7.5V, make it can be stable charge the battery.Inside battery is except the protection of standard configuration super-charge super-discharge, also increase in addition dual overcurrent protection, overcurrent protection adopts CMOS pipe, pressure drop power consumption is very little, breaking capacity is strong, and after overcurrent protection, do not need to power on to reactivate, this hands free telephone major function principle summary is as follows: hands free telephone inside comprises seal amplifier and loud speaker two parts, there is Audio power amplifier, the functions such as signal call, while having audio signal along the line, pass through solid-state relay, seal amplifier noise elimination is opened, power amplification circuit work, audio signal gain process, by loud speaker, sound is played back.When by when saying, by button, make solid-state relay switching signal, send call signal, MIC amplifying circuit by MIC signal through amplification, gain process, then difference processing is delivered to a, gets call ready on b line.At a, signal transmission on these two lines of b, the amplitude of these two signals equates, single spin-echo.
During use, by various many connections that amplify, can realize and get communication ready, sound and light alarm also can be used when having a power failure, and is particularly suitable for the high environment rugged environment of safety requirements, as fully mechanized coal face, tunnels large lane.And can export emergency stop switch signal, Products Compatibility is strong, is simple and easy to meeting, good in economic efficiency.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a hands free telephone with sudden-stop function, comprise: housing, panel, indicator light, scram button, master control borad, loudspeaker, rechargable battery group, it is characterized in that: described housing both sides are provided with indicator light, panel is arranged on housing front portion, described panel is provided with nameplate, station board, scram button, function button, microphone guard, horn mesh enclosure, described lower housing portion is provided with master control borad, loudspeaker, battery case, snap joint, described master control borad is fixed on wiring board erection column by screw, screw is provided with spring washer, loudspeaker are arranged on master control borad bottom, described battery case is arranged on battery case supporting plate, in battery case, be provided with rechargable battery group.
2. a kind of hands free telephone with sudden-stop function according to claim 1, is characterized in that: described function button comprises: outside line button, get button, talk-button ready.
3. a kind of hands free telephone with sudden-stop function according to claim 1, is characterized in that: described loudspeaker are provided with loudspeaker rubber blanket.
4. a kind of hands free telephone with sudden-stop function according to claim 1, is characterized in that: described battery pack adopts metal-oxide-semiconductor overcurrent protection.
5. a kind of hands free telephone with sudden-stop function according to claim 1, is characterized in that: described function button product is got ready, audio transmission adopts differential signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563691.7U CN203492074U (en) | 2013-09-12 | 2013-09-12 | Amplified phone with sudden stop function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563691.7U CN203492074U (en) | 2013-09-12 | 2013-09-12 | Amplified phone with sudden stop function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203492074U true CN203492074U (en) | 2014-03-19 |
Family
ID=50262869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563691.7U Expired - Fee Related CN203492074U (en) | 2013-09-12 | 2013-09-12 | Amplified phone with sudden stop function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203492074U (en) |
-
2013
- 2013-09-12 CN CN201320563691.7U patent/CN203492074U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20170912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |