CN213768573U - A kind of early warning device for railway line operation - Google Patents
A kind of early warning device for railway line operation Download PDFInfo
- Publication number
- CN213768573U CN213768573U CN202022898856.9U CN202022898856U CN213768573U CN 213768573 U CN213768573 U CN 213768573U CN 202022898856 U CN202022898856 U CN 202022898856U CN 213768573 U CN213768573 U CN 213768573U
- Authority
- CN
- China
- Prior art keywords
- unit
- ultrahigh frequency
- frequency signal
- signal
- demodulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003321 amplification Effects 0.000 claims abstract description 35
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 35
- 238000007493 shaping process Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000035945 sensitivity Effects 0.000 claims abstract description 9
- 230000003137 locomotive effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a railway line operation early warning device, include: the system comprises an ultrahigh frequency selection unit, an ultrahigh frequency signal amplification unit, an ultrahigh frequency signal demodulation unit, a demodulation signal shaping unit and an alarm triggering unit which are electrically connected in sequence; the first signal intensity detection circuit is respectively and electrically connected with the ultrahigh frequency signal amplification unit and the ultrahigh frequency signal demodulation unit, and is used for filtering, amplifying and shaping signals and controlling the sensitivity of the ultrahigh frequency signal amplification unit and the ultrahigh frequency signal demodulation unit; the second signal intensity detection circuit is respectively and electrically connected with the ultrahigh frequency signal amplification unit and the demodulation signal shaping unit, and is used for carrying out signal filtering, amplification and shaping and sensitivity control on the ultrahigh frequency signal amplification unit and the demodulation signal shaping unit. The utility model discloses a device can forecast the train in advance and be close to send necessary alarm signal to railway site operation personnel, machines withdraw the circuit in time, prevent the driving accident, guarantee safe operation.
Description
Technical Field
The utility model belongs to the technical field of the electron, concretely relates to railway circuit operation early warning device.
Background
At present, railway track patrol operation and minor repair operation are all completed manually, a worker needs to patrol all lines every day, carries 30 jin of tool bags, comprises signal articles, track patrol boards, tool materials and other spare articles, cruises according to a patrol diagram, concentrates on walking carefully, finds and avoids trains when the trains are close to each other, can only select a relatively optimal position to avoid trains, particularly when severe weather such as rainstorm, snow, strong wind, strong fog and the like is encountered, difficulty in observation is observed, when key diseases need to be repaired on the track, the sound is more external, and the personal safety of the track patrol workers is insensitive.
In the actual railway transportation production, a wireless train dispatching device is installed in a locomotive application, the position of a running train or a train is determined by the fact that a radio signal sent by the train or the train continuously sends out, and an operator can be informed of the passing of the train on a railway line in advance by detecting the radio signal sent by the train or the train in advance. The development of the railway line operation early warning device hopes to realize early warning by detecting a wireless train dispatching signal of a train running train and warn operating personnel to avoid the train in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a railway line operation early warning device for all maintenance post operation personnel along the railway line, forecast the train in advance and be close to send necessary alarm signal, so that site operation personnel, machines withdraw the circuit in time, prevent the driving accident, guarantee safe operation.
The utility model discloses a realize through following technical scheme.
A railway line work early warning device comprising:
the ultrahigh frequency selection unit is used for performing frequency selection and discrimination on signals of the railway train operation wireless train dispatching equipment;
the ultrahigh frequency signal amplifying unit is used for amplifying the ultrahigh frequency signal;
the ultrahigh frequency signal demodulation unit is used for converting the ultrahigh frequency signal into a low frequency signal;
the demodulation signal shaping unit is used for amplifying and shaping the low-frequency signal to form a pulse signal which accords with the triggering of a post-stage alarm circuit;
the alarm triggering unit is used for receiving and detecting signals and giving an alarm through three terminal modes of sound, light and vibration;
the ultrahigh frequency selection unit, the ultrahigh frequency signal amplification unit, the ultrahigh frequency signal demodulation unit, the demodulated signal shaping unit and the alarm triggering unit are electrically connected in sequence;
the first signal intensity detection circuit is respectively and electrically connected with the ultrahigh frequency signal amplification unit and the ultrahigh frequency signal demodulation unit, and is used for filtering, amplifying and shaping signals and controlling the sensitivity of the ultrahigh frequency signal amplification unit and the ultrahigh frequency signal demodulation unit;
the second signal intensity detection circuit is respectively and electrically connected with the ultrahigh frequency signal amplification unit and the demodulation signal shaping unit, and is used for carrying out signal filtering, amplification and shaping and sensitivity control on the ultrahigh frequency signal amplification unit and the demodulation signal shaping unit.
The utility model discloses in, report an emergency and ask for help or increased vigilance the trigger unit and be connected with vibrations drive unit, acoustic control drive unit, light-operated drive unit respectively.
The utility model discloses in, hyperfrequency frequency selection unit is to the wireless train dispatching equipment 400MHZ frequency channel signal of railway driving operation frequency selection, is discriminated.
The utility model has the advantages of:
the utility model discloses a device can indicate the relevant maintenance operation personnel of railway to notice railway operation train or train, prevents to take place the personal injury accident. The train approach is forecasted in advance, and necessary alarm signals are sent out, so that railway field operators and machines can withdraw from the line in time, driving accidents are prevented, and safe operation is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a railway line work early warning device includes: the ultrahigh frequency selection unit 1 is used for performing frequency selection and discrimination on signals of the railway train operation wireless train dispatching equipment; the ultrahigh frequency signal amplifying unit 2 is used for amplifying ultrahigh frequency signals; the ultrahigh frequency signal demodulation unit 3 is used for converting the ultrahigh frequency signal into a low frequency signal; the demodulation signal shaping unit 4 is used for amplifying and shaping the low-frequency signal to form a pulse signal which accords with the triggering of a post-stage alarm circuit; (ii) a The alarm triggering unit 5 is used for receiving and detecting signals and giving an alarm through three terminal modes of sound, light and vibration; the ultrahigh frequency selection unit 1, the ultrahigh frequency signal amplification unit 2, the ultrahigh frequency signal demodulation unit 3, the demodulation signal shaping unit 4 and the alarm triggering unit 5 are electrically connected in sequence; the first signal intensity detection circuit 6 is respectively and electrically connected with the ultrahigh frequency signal amplification unit 2 and the ultrahigh frequency signal demodulation unit 3, and is used for filtering, amplifying, shaping and controlling the sensitivity of the ultrahigh frequency signal amplification unit 2 and the ultrahigh frequency signal demodulation unit 3; the second signal strength detection circuit 7 is electrically connected with the ultrahigh frequency signal amplification unit 2 and the demodulation signal shaping unit 4 respectively, and is used for performing signal filtering, amplification and shaping and sensitivity control on the ultrahigh frequency signal amplification unit 2 and the demodulation signal shaping unit 4.
The utility model discloses in, report an emergency and ask for help or increased vigilance trigger unit 5 and be connected with vibrations drive unit 8, acoustic control drive unit 9, light-operated drive unit 10 respectively.
The utility model discloses in, hyperfrequency frequency selection unit 1 is to the wireless train dispatching equipment 400MHZ frequency channel signal of railway driving operation frequency selection, is discriminated.
The ultrahigh frequency selection unit 1 discriminates radio signals of various frequencies which are received by the antenna induction and enter the circuit, so that the radio signals of required frequencies are selected. The radio signal selected by the receiving antenna and the uhf frequency selection circuit is very weak, and the energy of the signal is substantially in the μ a level. Therefore, the weak signal can not drive the triggering of the post-stage circuit, so that the signal amplification is required to be carried out through the ultrahigh-frequency signal amplification unit 2, the ultrahigh-frequency signal amplification unit 2 in the device adopts three stages of amplification circuits, namely pre-amplification, radio-frequency amplification and power amplification to carry out ultrahigh-frequency signal amplification, the signal amplification factor reaches 106, the signal intensity can reach 100MA, and the triggering and control of the post-stage circuit can be realized.
The ultrahigh frequency signal amplified through frequency selection is converted into a low frequency signal through an ultrahigh frequency signal demodulation unit 3; and then the first signal intensity detection circuit 6 and the second signal intensity detection circuit 7 carry out signal filtering, amplification and shaping and sensitivity control to form a reliable pulse trigger signal, and finally the alarm unit 5 alarms in three terminal modes of sound (horn), light and vibration to prompt field operators to avoid the running locomotives and trains.
Because railway train or train operation speed is very fast, closely detect to report an emergency and ask for help or increased vigilance and can not effectively guarantee railway line operation personnel personal safety, through field test, the utility model discloses a railway line operation early warning device, effective signal reception report an emergency and ask for help or increased vigilance the distance and reach ≧ 600 meters, can realize the wireless train of locomotive and train of remote detection operation and transfer the signal. In actual operation, the railway line patrols the way worker and can wear this device at waist or upper arm, and when the railway line had the operation train or the train passes through, early warning device can pass through loudspeaker, highlight luminotron and vibrations motor three kinds of modes warning operation personnel and have the car to go to pay attention to dodging when the train or the train is apart from patrolling the way personnel 600 meters in order far away to ensure operation personnel personal safety, this device is applicable to all maintenance post operation personnel along the railway simultaneously and uses.
What has been described above is only the preferred embodiment of the present invention, and the present invention is not limited thereto. It should be noted that other modifications and equivalents may be made by those skilled in the art in light of the teachings of the present disclosure to achieve the same purpose, and should be construed as within the scope of the present disclosure.
Claims (3)
1. A railway line operation early warning device, its characterized in that includes:
the ultrahigh frequency selection unit (1) is used for performing frequency selection and discrimination on signals of the railway train operation wireless train dispatching equipment;
the ultrahigh frequency signal amplification unit (2) is used for amplifying ultrahigh frequency signals;
the ultrahigh frequency signal demodulation unit (3) is used for converting the ultrahigh frequency signal into a low frequency signal;
the demodulation signal shaping unit (4) is used for amplifying and shaping the low-frequency signal to form a pulse signal which accords with the triggering of a post-stage alarm circuit;
the alarm triggering unit (5) is used for receiving and detecting signals and giving an alarm through three terminal modes of sound, light and vibration;
the ultrahigh frequency selection unit (1), the ultrahigh frequency signal amplification unit (2), the ultrahigh frequency signal demodulation unit (3), the demodulation signal shaping unit (4) and the alarm triggering unit (5) are electrically connected in sequence;
the first signal intensity detection circuit (6) is respectively and electrically connected with the ultrahigh frequency signal amplification unit (2) and the ultrahigh frequency signal demodulation unit (3) and is used for filtering, amplifying and shaping signals and controlling the sensitivity of the ultrahigh frequency signal amplification unit (2) and the ultrahigh frequency signal demodulation unit (3);
the second signal intensity detection circuit (7) is respectively and electrically connected with the ultrahigh frequency signal amplification unit (2) and the demodulation signal shaping unit (4) and is used for carrying out signal filtering, amplification and shaping and sensitivity control on the ultrahigh frequency signal amplification unit (2) and the demodulation signal shaping unit (4).
2. The railway line operation early warning device as claimed in claim 1, wherein the alarm triggering unit (5) is connected with the vibration driving unit (8), the sound control driving unit (9) and the light control driving unit (10) respectively.
3. The railway line operation early warning device according to claim 1, wherein the ultrahigh frequency selection unit (1) is used for selecting and discriminating 400MHz frequency band signals of railway train operation wireless train dispatching equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898856.9U CN213768573U (en) | 2020-12-02 | 2020-12-02 | A kind of early warning device for railway line operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898856.9U CN213768573U (en) | 2020-12-02 | 2020-12-02 | A kind of early warning device for railway line operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213768573U true CN213768573U (en) | 2021-07-23 |
Family
ID=76896617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022898856.9U Active CN213768573U (en) | 2020-12-02 | 2020-12-02 | A kind of early warning device for railway line operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213768573U (en) |
-
2020
- 2020-12-02 CN CN202022898856.9U patent/CN213768573U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6145792A (en) | Railroad worker warning system for train conductors | |
| JP4076604B2 (en) | Method and apparatus for detecting track activity | |
| KR101817529B1 (en) | Wireless transceivers for communicating work conditions to prevent railway accident | |
| WO1998007610A1 (en) | Information generator using elastic wave | |
| CN105835908B (en) | Train approach warning device | |
| CN213768573U (en) | A kind of early warning device for railway line operation | |
| CN204488826U (en) | A kind of yard Train Approaching alerting automatic telling status | |
| CN103337169A (en) | A road tunnel traffic intelligent wireless early warning apparatus based on a doppler automatic detector | |
| CN212289872U (en) | A railway bridge and tunnel train approaching personal safety protection system | |
| US6838996B2 (en) | Apparatus and method improving safety in the operation of a crane | |
| CN217994454U (en) | Safety early warning system for railway engineering vehicle construction operation | |
| JP2931207B2 (en) | Train approach warning device | |
| CN100419460C (en) | Highway climate monitoring and alarm system | |
| CN212267511U (en) | Railway construction operation safety protection early warning system | |
| CN203612015U (en) | Railway level-crossing vehicle detection system based on electromagnetic transducer | |
| CN2182764Y (en) | Alarming device for indicating emergency during drive | |
| CN210466749U (en) | Road maintenance operation autonomous anti-intrusion early warning system | |
| CN215706378U (en) | A speed limit control device for rail cars in subway engineering | |
| CN203260153U (en) | Ultrasonic-wave train approach alarming device | |
| CN220855794U (en) | End line distance display device | |
| CN203427817U (en) | Integrated rapid-installation train approach warning system | |
| CN204608632U (en) | Portable wireless network traffic warning | |
| CN104228879A (en) | Train approaching early warning system based on tunnel pressure waves and early warning method of train approaching early warning system | |
| CN216269284U (en) | An intelligent early warning system for safety protection of railway operators | |
| CN217880066U (en) | Operation and maintenance system of electric storage type traction locomotive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240219 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 31 Beijing Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province 737100 Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee before: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |