CN2764100Y - Electric megaphone for safety protection in railway construction - Google Patents
Electric megaphone for safety protection in railway construction Download PDFInfo
- Publication number
- CN2764100Y CN2764100Y CN 200420048171 CN200420048171U CN2764100Y CN 2764100 Y CN2764100 Y CN 2764100Y CN 200420048171 CN200420048171 CN 200420048171 CN 200420048171 U CN200420048171 U CN 200420048171U CN 2764100 Y CN2764100 Y CN 2764100Y
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- chip
- construction
- voice chip
- voice
- audio frequency
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Abstract
The utility model relates to a safeguarding power megaphone device for railway construction, which comprises a voice chip, a pick-up device, an audio amplifier and a loud-speaker, wherein the voice chip comprises an ascending voice chip and a descending voice chip, and the output end of each voice chip and the output end of the pick-up device are connected with the input end of the audio amplifier through a transfer switch, and the output end of the audio amplifier is connected with the loud-speaker; ascending alarm signals and descending alarm signals special for railways are recorded in the ascending voice chip and the descending voice chip. The two-path voice chips of the utility model are solidified with alarm voice signals special for railway construction, and the audio alarm signal with large volume is sent out by the loud-speaker to definitely remind builders of the direction of a coming train, so that the builders can evacuate from the railway danger zone in time, and the happening of accidents can be easily and conveniently avoided; the utility model can also send out the alarm signals to construction sites through a remote controller and a receiver to achieve the identical alarm function.
Description
Technical field
The utility model relates to the electronic megaphone of a kind of construction of railways security protection, being mainly used in railway line safeguards in the construction, can play the alarm signal by the security official to the workmen at the scene, also can send the alarm signal that train passes through, notify the workmen to withdraw rail to prevent the generation of security incident in the direction to the car remote control of distance job site certain distance.
Background technology
In the regular maintenance of the needs in service of railway construction, owing to safeguard that construction all is to carry out in the gap of train operation, so what prevent security incident is very important work.In order to announce the train operation situation to the workmen, at present the type of alarm that adopts is: in the position of the direction to the car of the certain distance in distance job site, if full-time protection person is when protection person finds to have train to sail, by the workmen of the notice job site that winds the horn.Because there is very big noise the job site, the effort that winds the horn and volume is little, it is indeterminate to express the meaning, add present train speed raising after gait of march very fast, withdraw from the untimely security incident that causes at train easily temporarily.
Summary of the invention
The purpose of this utility model just provides the electronic megaphone of a kind of construction of railways security protection, and the type of alarm that exists in construction of railways at present is original, volume is little to solve, untimely and may cause taking place the problem of security incident.
The technical solution of the utility model is: comprise speech chip, pick-up, audio frequency amplifier and loud speaker, described speech chip comprises ascending voice chip and downlink voice chip, can be that fixedly speech chip maybe can repeat the chip of recording playback; The output of each speech chip and pick-up is connected with the input of audio frequency amplifier by change over switch, and the output of audio frequency amplifier is connected with loud speaker; In described ascending voice chip and downlink voice chip, record uplink and downlink alarm signal respectively specially for railway layout special use.
Described uplink and downlink alarm signal comprises:
(1) " pout---toot---, up sending a car please be descended the road ";
" pout---, descending sending a car please be descended the road ";
(2) " pout---toot---, sent a car and to have descended the road ";
" pout---, sent a car and please descend the road ";
(3) " pout---toot---, sent a car, please note safety ";
" pout---, sent a car, please note safety ";
(4) " pout---toot---, up sending a car please notes safety ";
" pout---, descending sending a car please notes safety ";
Described " pout---" sound is the sound of traditional bugle of blowing of imitation construction of railways protection person.
Also comprise the Music Clip that is located at described audio frequency amplifier input.
Also comprise remote controller and receiver, the output of receiver is connected with the trigger end of described speech chip or electric power loop.
Be provided with encoder in described remote controller, be provided with in receiver and described encoder corresponding decoder, the different outputs of this decoder are connected with the trigger end of described speech chip respectively.
Input at described remote controller is connected with the transducer that the reaction train passes through.
Described remote controller, transducer and battery can be installed on the Sign Board.
On described audio frequency amplifier, be provided with volume adjustment device.
Two-way speech chip of the present utility model is solidified with the alarm voice signal of construction of railways special use, and pass through to amplify and send the very big audio alarming signal of volume by loud speaker, clearly remind workmen's direction to the car, make it in time withdraw the railway hazardous area, avoid the generation of accident, easy and convenient.Also can respond to automatically and send the remote signal that train is about to enter the guard plot, send alarm signal to the job site, reach identical warning function by remote controller and receiver by sole duty protection person operation or transducer.
Description of drawings
Fig. 1 is the formation block diagram of the on-the-spot megaphone embodiment of the utility model;
Fig. 2 is a kind of concrete connection diagram of change over switch among Fig. 1;
Fig. 3 is the mechanical structure schematic diagram of Fig. 1, and wherein (a) figure is a cross-sectional schematic, and (b) figure is the right view of (a) figure;
Fig. 4 is the rack-mount structural representation of a last embodiment;
Fig. 5 is that an embodiment who the utlity model has distant control function constitutes block diagram;
Fig. 6 is that another embodiment that the utlity model has distant control function constitutes block diagram;
Fig. 7 is a remote controller mounting structure schematic diagram among Fig. 5 and Fig. 6 embodiment, and wherein (a) figure is positive, and (b) figure is the back side;
Fig. 8 is the receiver of Fig. 5 and Fig. 6 embodiment and the mounting structure schematic diagram of loudspeaker housing.
Embodiment
Referring to Fig. 1 and Fig. 2, this embodiment of the utility model comprises speech chip, pick-up 3, audio frequency amplifier 4 and the loud speaker of being made up of ascending voice chip 1 and downlink voice chip 25, and ascending voice chip 1 and downlink voice chip 2 can be that fixedly speech chip maybe can repeat the chip of recording playback.The output of each speech chip 1,2 and pick-up 3 is connected by the input of change over switch 6 with audio frequency amplifier 4, and the output of audio frequency amplifier 4 is connected with loud speaker 5.Also can Music Clip 7 be set, at the scene the music in the playing back music chip 7 at audio frequency amplifier 4 inputs.On audio frequency amplifier 4, be provided with volume control potentiometer 41.In described ascending voice chip 1 and downlink voice chip 2, record uplink and downlink alarm signal respectively specially for the railway special use.
Described up alarm signal comprises:
" pout---toot---, up having sent a car please be descended the road ";
" pout---toot---, sent a car and to have descended the road ";
" pout---toot---, sent a car, please note safety ";
" pout---toot---, up having sent a car please notes safety ".
Described descending alarm signal comprises:
" pout---, descending having sent a car please be descended the road ";
" pout---, sent a car and please descend the road ";
" pout---, sent a car, please note safety ";
" pout---, descending having sent a car please notes safety ".
The function of change over switch 6 is to change between playback and recording, the music of speech chip 1 and 2, several functions such as propaganda directed to communicate.The implementation method of change over switch 6 is a lot, all is routine techniques.The connection diagram of having represented a kind of implementation method of change over switch 6 among Fig. 2 is made up of 3 groups of switches 61～63, and switch 62 is used for connecting or disconnecting the loop of sound-recording function; Switch 63 is changed between ascending voice chip 1 and downlink voice chip 2; Switch 61 is responsible for the major loop function conversion.
Referring to Fig. 3, described speech chip 1 and 2, pick-up 3, audio frequency amplifier 4, Music Clip 7 and loud speaker 5 can be loaded in the hand-hold type loudspeaker housing 11, the rear portion is provided with bonnet of the able to turn on or off end at the bottom of the housing, its inner bottom part is equipped with pick-up 3, piano type change over switch 6 (comprising 61 and 62), slidingtype potentiometer 41 and two indicator lights 18.In the bonnet inland sea circuit board 16 is housed, speech chip 1 and 2 and parts such as Music Clip 7 are housed on this circuit board.Opposite side is provided with spring 15 at 16 end of circuit board, is used for compressing power supply 14.Power supply 14 adopts storage battery or dry cell.Outside housing, be provided with handle of the collapsible end 17.In horn mouth at the bottom of the housing, be provided with loud speaker magnet steel 13 and other assembly 12.Can propaganda directed to communicate at the scene or select broadcast up alarm sound, descending alarm sound as required, propaganda directed to communicate or music by pick-up 3 by change over switch 6.In the change over switch 6 63 is installed in the upside of bonnet.Also can be provided with receiver socket 19, be used for inserting the control end plug 18 (referring to Fig. 6) of receiver 10 at the rear portion of housing 11.
Referring to Fig. 4, hand-hold type loudspeaker housing 11 can be equipped with special stand 8, in the jack above the handle insertion support 8 of loudspeaker housing 11.
Referring to Fig. 5～Fig. 8, this embodiment is except speech chip 1 and 2, pick-up 3, audio frequency amplifier 4, loud speaker 5, change over switch 6 and Music Clip 7, also be provided with remote controller 9 and receiver 10, the output of receiver 10 can be connected with electric power loop with plug 18 by socket 19, directly power supply (a among Fig. 6, b two ends are connected with the circuit of the back) break-make of the circuit of control back needs the Field Force to realize choosing change over switch 6.Referring to Fig. 6.
Also can be provided with encoder in described remote controller 9, be provided with in receiver 10 and described encoder corresponding decoder, the different outputs of this decoder are connected with 2 trigger end with described speech chip 1 respectively.This structure can realize directly being controlled by remote controller 9 kind of the alarm signal of being sent.Referring to Fig. 5.
Also the input at described remote controller 9 is connected with the transducer 20 that the reaction train passes through, as adopt reflection infrared sensor, transducer 20 (or be structure as a whole with remote controller 9) is located at by the track that needs monitoring, when train passes through, send alarm signal automatically, avoid the mistake of manual operation.Remote controller 9, transducer 20 and battery 21 can be installed on the Sign Board 22, and remote controller 9 adopts telescopic antenna 23.Referring to Fig. 5 and Fig. 7.
The hand-hold type loudspeaker housing 11 of this embodiment also can adopt special stand shown in Figure 48.Receiver 10 can be installed in the housing 11, also can independently be provided with.Receiver 10 also can adopt telescopic antenna 24.
Speech chip 1,2 of the present utility model also repeats the chip of recording playback, can pass through the voice signal that pick-up 3 typings need, and can meet the different needs.
Claims (7)
1, the electronic megaphone of a kind of construction of railways security protection, it is characterized in that: comprise speech chip, pick-up, audio frequency amplifier and loud speaker, described speech chip comprises ascending voice chip and downlink voice chip, can be that fixedly speech chip maybe can repeat the chip of recording playback; The output of each speech chip and pick-up is connected with the input of audio frequency amplifier by change over switch, and the output of audio frequency amplifier is connected with loud speaker; In described ascending voice chip and downlink voice chip, record uplink and downlink alarm voice signal respectively specially for railway layout special use.
2, the electronic megaphone of construction of railways security protection according to claim 1 is characterized in that: also comprise the Music Clip that is located at described audio frequency amplifier input.
3, the electronic megaphone of construction of railways security protection according to claim 1 is characterized in that: also comprise remote controller and receiver, the output of receiver is connected with the trigger end of described speech chip or electric power loop.
4, the electronic megaphone of construction of railways security protection according to claim 3, it is characterized in that: in described remote controller, be provided with encoder, be provided with in receiver and described encoder corresponding decoder, the different outputs of this decoder are connected with the trigger end of described speech chip respectively.
5, the electronic megaphone of construction of railways security protection according to claim 3 is characterized in that: the input at described remote controller is connected with the transducer that the reaction train passes through.
6, according to claim 3, the electronic megaphone of 4 or 5 described construction of railways security protections, it is characterized in that: described remote controller, transducer and battery can be installed on the Sign Board.
7, the electronic megaphone of construction of railways security protection according to claim 1 is characterized in that being provided with volume adjustment device on described audio frequency amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420048171 CN2764100Y (en) | 2004-03-16 | 2004-04-15 | Electric megaphone for safety protection in railway construction |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420007071.6 | 2004-03-16 | ||
| CN200420007071 | 2004-03-16 | ||
| CN 200420048171 CN2764100Y (en) | 2004-03-16 | 2004-04-15 | Electric megaphone for safety protection in railway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764100Y true CN2764100Y (en) | 2006-03-08 |
Family
ID=36141637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420048171 Expired - Fee Related CN2764100Y (en) | 2004-03-16 | 2004-04-15 | Electric megaphone for safety protection in railway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2764100Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120412A (en) * | 2015-06-29 | 2015-12-02 | 常州市荣顺电子有限公司 | Loudspeaker with alarm device |
-
2004
- 2004-04-15 CN CN 200420048171 patent/CN2764100Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120412A (en) * | 2015-06-29 | 2015-12-02 | 常州市荣顺电子有限公司 | Loudspeaker with alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060308 Termination date: 20100415 |