CN204172930U - Portable train proximity sensing device - Google Patents
Portable train proximity sensing device Download PDFInfo
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- CN204172930U CN204172930U CN201420515023.1U CN201420515023U CN204172930U CN 204172930 U CN204172930 U CN 204172930U CN 201420515023 U CN201420515023 U CN 201420515023U CN 204172930 U CN204172930 U CN 204172930U
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Abstract
The utility model discloses a kind of Portable train proximity sensing device, comprise power module, induction module, the time delay module, audio-frequency module, signal transmitting module, the signal receiving module that are connected with induction module, the mouth of time delay module is all connected with the input end of signal transmitting module with the mouth of audio-frequency module, the input end of induction module is all connected with the mouth of power module with the input end of audio-frequency module, induction module is vibration sensor or opto-electronic pickup, and described audio-frequency module comprises up alarm module, descending alarm module.Annunciator is arranged on place beyond on-the-spot one kilometer of distance construction by the utility model, phonetic warning can be sent to each distant place interphone when there being Train Approaching camp site, construction working personnel are made to leave work-site as early as possible, safe and reliable, and structure is simple, cost is low, use, easy to carry, warning accuracy rate is high, and can multipoint reception alerting signal, is suitable for applying.
Description
Technical field
The utility model relates to annunciator field, particularly relates to a kind of Portable train proximity sensing device.
Background technology
Along with the development of railway transportation, train speed per hour also rapidly promotes, to the maintenance personnel of railway line construction and the threat of staff's life security also increasing.Although respectively there is a protected personnel at traditional construction scene, if but wherein any protected personnel absent-minded or carelessness, its consequence is hardly imaginable, in order to the life security of the maintenance personnel and staff that ensure railway line construction, has given birth to different kinds of railways annunciator by fortune.
At present, railway warming equipment, having track circuit section to utilize track circuit principle to develop and making intersection alarm device, adopts magnetoelectric induction principle to make intersection alarm device in non-track circuit territory section more more, they have common feature, volume is large, and assembly is many, complex structure.And above-mentioned railway warming equipment is inconvenient to carry with, Assembly &Disassembly is inconvenient, can not meet temporarily in the situation of railway section construction operation.
Therefore need badly and provide a kind of novel railway warming equipment to solve the problems referred to above.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Portable train proximity sensing device, and structure is simple, and cost is low, and warning accuracy is high.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of Portable train proximity sensing device, comprise power module, induction module, the time delay module, audio-frequency module, signal transmitting module, the signal receiving module that are connected with induction module, the mouth of time delay module is all connected with the input end of signal transmitting module with the mouth of audio-frequency module, the input end of induction module is all connected with the mouth of power module with the input end of audio-frequency module, and induction module is vibration sensor or opto-electronic pickup.
In the utility model preferred embodiment, described power module comprises the lithium cell, power protecting circuit, charge circuit, reduction voltage circuit, the switch that are connected successively.In described power module, charge circuit is lithium cell charging, and the lithium cell output voltage of charged protective circuit drops to 5V through reduction voltage circuit, for subsequent conditioning circuit is powered.
In the utility model preferred embodiment, described time delay module comprises integrated circuit NE555, its pin 2 connects the collecting electrode of a photoelectrical coupler ICO1, pin 6 and pin 7 are connected adjustable resistance VR, chemical capacitor C1 respectively, and pin 3 outputs signal to after aerotron VT1 amplifies and is sent to another photoelectrical coupler ICO3.
In the utility model preferred embodiment, described audio-frequency module comprises up alarm module, descending alarm module.Different audio alert promptings is sent according to the train leaving for different directions.
In the utility model preferred embodiment, the mouth of described signal receiving module is connected with sound amplification module, needs to connect the large module in sound side according to camp site, and its sound of being pointed out by audio alert improves, be convenient to staff and hear phonetic warning, leave work-site as early as possible.
In the utility model preferred embodiment, be provided with magnet containing in the annunciator of vibration sensor, the outside web of the rail that this annunciator can be arranged on track uses, simple and convenient.
The beneficial effects of the utility model are: the utility model structure is simple, and cost is low, use, easy to carry, and warning accuracy rate is high, and can multipoint reception alerting signal, safe and reliable, are suitable for applying.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model Portable train proximity sensing device one preferred embodiment.
Fig. 2 is the circuit diagram of charge circuit one preferred embodiment in described power module.
Fig. 3 is the circuit diagram of power protecting circuit one preferred embodiment in described power module.
Fig. 4 is the circuit diagram of reduction voltage circuit one preferred embodiment in described power module.
Fig. 5 is the schematic circuit diagram of described induction module and time delay module one preferred embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of Portable train proximity sensing device, comprise power module, induction module, the time delay module, audio-frequency module, signal transmitting module, the signal receiving module that are connected with induction module, the mouth of time delay module is all connected with the input end of signal transmitting module with the mouth of audio-frequency module, and the input end of induction module is all connected with the mouth of power module with the input end of audio-frequency module.Induction module is vibration sensor or opto-electronic pickup, and audio-frequency module comprises up alarm module, descending alarm module.
Described power module comprises lithium cell, power protecting circuit, charge circuit, reduction voltage circuit, switch.The opening and closing of described switch control rule power module, thus the startup and the closedown that control whole annunciator.Described lithium cell adopts TunePower, is its charging by charge circuit.Refer to Fig. 2, in a preferred embodiment, charge circuit adopts LM3420-8.4V specialized lithium battery charge controller.When lithium cell group voltage is lower than 8.4V, LM3420 mouth pin 1 (OUT) no-output electric current, transistor Q2 ends, and therefore, voltage adjustable voltage stabilizer LM317 exports constant current, and its current value depends on the value of RL.LM317 rated current is 1.5A, and if desired larger charging current can select LM338 or LM350.In process of charging, along with cell pressure constantly rises, cell pressure is detected by the input pin 4 (IN) of LM3420, when cell pressure is raised to 8.4V (two joint lithium celies), LM3420 mouth pin 1 has output voltage, makes Q2 control LM317 proceed to constant-voltage charge process, cell pressure is stabilized in 8.4V, after this charging current starts to reduce, and after lithium cell full charge, charging current drops to trickle charge.When having no progeny in input voltage, transistor Q1 ends, and lithium cell group and LM3420 disconnect, and the effect of diode D1 can avoid battery to be discharged by LM317.Refer to Fig. 3, described power protecting circuit adopts S8232 integrated circuit, and structure is simple, realizes respectively filling protection and Cross prevention function to the overshoot of lithium cell.Refer to Fig. 4, it is induction module, time delay module for power supply that described reduction voltage circuit realizes two joint lithium cell 8.4V voltages to be reduced to 5V voltage.Reduction voltage circuit adopts switching regulator IC LM2596, integrated with solid capacitor 220uf/35V, and the pin 1 of LM2596 inputs 6-8.4V voltage, amplifies, exported export 5V voltage by pin 4 after resistance R2 pressure regulation through its sampling, adjustment.In described power module, charge circuit is lithium cell charging, and the lithium cell output voltage of charged protective circuit drops to 5V through reduction voltage circuit, for subsequent conditioning circuit is powered.
Refer to Fig. 5, described induction module is vibration sensor or opto-electronic pickup, and vibration sensor adopts SW-18010P in a preferred embodiment, and opto-electronic pickup adopts BA2M-DDT.Described time delay module comprises integrated circuit NE555, its pin 2 connects the collecting electrode of a photoelectrical coupler ICO1, pin 6 and pin 7 are connected adjustable resistance VR, chemical capacitor C1 respectively, and pin 3 outputs signal to after aerotron VT1 amplifies and is sent to another photoelectrical coupler ICO3.After vibration sensor senses the vibration of track or opto-electronic pickup sense that train is out-of-date and all can produce induced signal, induced signal is sent to the positive pole of photoelectrical coupler, thus run up time delay circuit, induced signal is sent to signal transmitting module.In Figure 5, be connected with light-emitting diode D1 in the front end of vibration sensor or opto-electronic pickup, D1 is the power light of described annunciator, and when the switch is open, power light is lighted, and light-emitting diode D1 sends ruddiness; Between the pin 3 and power cathode of integrated circuit NE555, be connected with light-emitting diode D2, D2 is the working station indicator of described annunciator, and when there being Train Approaching, working station indicator is lighted, and light-emitting diode D2 sends green glow.
Described audio-frequency module comprises up alarm module, descending alarm module.Start different alarm modules according to the train of different directions, if up train is close, start up alarm module, the audio alert prompting of " up train has come, and please descends road immediately " can be sent; If down train is close, start descending alarm module, the audio alert prompting of " down train has come, and please descends road immediately " can be sent.Above-mentioned functions is by the switch control rule of annunciator panel, and two kinds of voice signals are all sent to signal transmitting module.
Described signal transmitting module is connected with being transmitted by signal wireless between signal receiving module, in railway road is safeguarded, maintenance personnel and staff often use interphone to carry out remote communication, therefore, in a preferred embodiment, described signal transmitting module and signal receiving module realize by interphone, and signal receiving module comprises multiple interphone, respectively audio alert signal are sent to each road upkeep personnel.The mouth of described signal receiving module also can connect a sound amplification module, and sound amplification module is made up of loudspeaker, and its sound of being pointed out by audio alert improves, and is convenient to staff and hears phonetic warning, leave work-site as early as possible.
Lower mask body place of matchmakers states the principle of work of Portable train proximity sensing device and using method is described:
When Train Approaching work-site, train rail can vibrate, vibration sensor in induction module receives train vibration and produces vibration signal, or the opto-electronic pickup in induction module senses the movement of train and produces induced signal, above-mentioned vibration signal or induced signal make the pin 2 of NE555 obtain energizing signal by ICO1 photoelectrical coupler, EN555 comparison amplifier is by comparing after amplification by pin 3 output action signal, exported to the interphone emission key in signal transmitting module by ICO3 after aerotron VT1 amplifies, emission key is transmitted, signal receiving module is sent to together with the voice signal that audio-frequency module sends.Distant place interphone in signal receiving module and interphone loudspeaker are received alarm signal and are amplified by sound, and construction working personnel will hear phonetic warning, leave work-site as early as possible, avoid risk.
First Portable train proximity sensing device is arranged near train rail during use, owing to being provided with magnet, so annunciator can be arranged on the outside web of the rail of track containing in the annunciator of vibration sensor; Annunciator containing opto-electronic pickup can be erected on the other curb of train rail, preferably, annunciator can be arranged on place beyond on-the-spot one kilometer of distance construction.Train according to being about to arrive is up or descending, sets up warning or descending warning, pushes relevant position by master cock.Open alarm host machine power supply and interphone power supply more respectively, notice camp site interphone and loudspeaker power supply opening, at this moment distant place interphone and loudspeaker will send phonetic warning sound.If distant place interphone and loudspeaker do not send phonetic warning sound, please check whether alarm host machine and interphone are opened, whether cable plug is plugged, distant place interphone and whether loudspeaker is effectively opened, whether interphone plug line connects.After distant place interphone and loudspeaker receive warning, about mistake 10 is reported to the police and will be stopped about second, and namely at this moment Portable train proximity sensing device enters work alarm condition.When there being Train Approaching camp site, described Portable train proximity sensing device can send phonetic warning to each distant place interphone, makes construction working personnel leave work-site as early as possible.
The utility model structure is simple, and cost is low, uses, easy to carry, and warning accuracy rate is high, and can multipoint reception alerting signal, safe and reliable, is suitable for applying.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a Portable train proximity sensing device, it is characterized in that, comprise power module, induction module, the time delay module, audio-frequency module, signal transmitting module, the signal receiving module that are connected with induction module, the mouth of time delay module is all connected with the input end of signal transmitting module with the mouth of audio-frequency module, the input end of induction module is all connected with the mouth of power module with the input end of audio-frequency module, and induction module is vibration sensor or opto-electronic pickup.
2. Portable train proximity sensing device according to claim 1, is characterized in that, described power module comprises the lithium cell, power protecting circuit, charge circuit, reduction voltage circuit, the switch that are connected successively.
3. Portable train proximity sensing device according to claim 1, it is characterized in that, described time delay module comprises integrated circuit NE555, its pin 2 connects the collecting electrode of a photoelectrical coupler ICO1, pin 6 and pin 7 are connected adjustable resistance VR, chemical capacitor C1 respectively, and pin 3 outputs signal to after aerotron VT1 amplifies and is sent to another photoelectrical coupler ICO3.
4. Portable train proximity sensing device according to claim 1, is characterized in that, described audio-frequency module comprises up alarm module, descending alarm module.
5. the Portable train proximity sensing device according to any one of Claims 1-4, is characterized in that, the mouth of described signal receiving module is connected with sound amplification module.
6. Portable train proximity sensing device according to claim 1, is characterized in that, be provided with magnet containing in the annunciator of vibration sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515023.1U CN204172930U (en) | 2014-09-09 | 2014-09-09 | Portable train proximity sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420515023.1U CN204172930U (en) | 2014-09-09 | 2014-09-09 | Portable train proximity sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204172930U true CN204172930U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420515023.1U Expired - Fee Related CN204172930U (en) | 2014-09-09 | 2014-09-09 | Portable train proximity sensing device |
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| Country | Link |
|---|---|
| CN (1) | CN204172930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192175A (en) * | 2014-09-09 | 2014-12-10 | 赵贺峰 | Portable train approach alarm |
| CN105857347A (en) * | 2016-03-30 | 2016-08-17 | 珠海智信电力科技有限公司 | Intelligent safety protection system for railway construction work |
-
2014
- 2014-09-09 CN CN201420515023.1U patent/CN204172930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192175A (en) * | 2014-09-09 | 2014-12-10 | 赵贺峰 | Portable train approach alarm |
| CN105857347A (en) * | 2016-03-30 | 2016-08-17 | 珠海智信电力科技有限公司 | Intelligent safety protection system for railway construction work |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20160909 |