CN206905806U - A kind of device for the detection of bow net off-line temperature - Google Patents

Abstract

The utility model discloses a kind of device for the detection of bow net off-line temperature, non-contact bow net offline inspection can be realized, its strong antijamming capability, accuracy of detection is high and can reflect the offline situation of bow net in real time.The device includes：Infrared thermal imaging module, UV sensor, high clear digital imaging module, geography information locating module, bow net offline image database and data processor service device；Bow net offline image database and data processor-server are arranged in the compartment of detection locomotive, data processor service device is used to determine the bow net offline time occur according to ultraviolet detection signal and thermal image, and start high clear digital imaging module simultaneously to obtain bow net offline image, and geography information corresponding to the time is merged with bow net offline image and is stored in bow net offline image database.

Description

A kind of device for the detection of bow net off-line temperature

Technical field

Track traffic condition monitoring technical field is the utility model is related to, more particularly to it is a kind of warm offline for bow net Spend the device of detection.

Background technology

In electric railway, contact net is the main power supply unit of electric railway, electric locomotive by pantograph with Contact net is contacted to obtain electric energy.Pantograph contact line relation between pantograph and contact net to whole electric railway operation system just Often running plays an important role.The most common failure of pantograph contact line relation is that bow net raises with offline caused bow net temperature offline. Motorcycle pantograph can produce electric arc offline under traction state, send strong ultraviolet；With frequency electromagnetic waves when offline Produce；Spark is produced when measuring with pantograph (not taking under stream mode) offline, spark current change is precipitous, and bow line resistance becomes Greatly.Bow net is offline, and most intuitively performance is to produce arcing, and measurement arcing can truly reflect whether bow net occur offline.

The automatic determined off-line device of pantograph of the prior art, typically according to pantograph it is offline when, in pantograph Electric current is zero, by detecting that the state that now pantograph electric current is zero is offline to determine.Although this method can be easily It is determined that it is offline, but need that extra current sensor is installed in pantograph, its implementation is complex, and train is lazy Due to pantograph electric current generally zero during row, it is not known that signal is wherein offline, therefore can not determine.In addition, accelerate slow down and by When pantograph electric current strongly reduces, or split phase segment was run into, slide plate actually leaves contact line, but has the output to be The abnormal show of " offline ".A kind of modified monitoring system of the device may be mounted at intra-locomotive, by alternating current Transformer current signal carries out automatic detection, and AC current transformer current signal when exporting offline, so as to automatic decision Off-lined signal, and off-line state is monitored in real time.Set AC current transformer etc. extra however, the device still needs Device, form interference in itself to Pantograph-OCS system and potential safety hazard be present, and detect delay greatly, cause to reflect that bow net is offline in real time Situation.

Utility model content

One of the purpose of this utility model at least that, in view of the above-mentioned problems of the prior art, provide one kind be used for The device of bow net off-line temperature detection, can realize non-contact bow net offline inspection, its strong antijamming capability, and accuracy of detection is high And the offline situation of bow net can be reflected in real time.

To achieve these goals, the technical solution adopted in the utility model includes following aspects.

A kind of device for the detection of bow net off-line temperature, it includes：Infrared thermal imaging module, UV sensor, height Clear digital imagery module, geography information locating module, bow net offline image database and data processor service device；

UV sensor is arranged on pantograph support frame end apart from pantograph pan and the contact point of contact line first At distance, for when pantograph pan and contact line depart from and produce electric arc, the uitraviolet intensity sent according to electric arc to produce Ultraviolet detection signal, and data processing server is sent to by bluetooth module；

Infrared thermal imaging module is arranged on connecing for horizontal range pantograph pan and contact line by the first head support bar At the second distance of contact, for obtaining thermal image and being sent to data processing server by RS485 cables；

High clear digital imaging module sets connecing for horizontal range pantograph pan and contact line by the second head support bar At the distance of contact the 3rd and it is located at the side relative with infrared thermal imaging module；

Geography information locating module is arranged at the top of locomotive, for obtaining the geography information changed over time；

Bow net offline image database and data processor-server are arranged in the compartment of detection locomotive, data processor Server is used to determine the bow net offline time occur according to ultraviolet detection signal and thermal image, and start simultaneously high-definition digital into As module is to obtain bow net offline image, and geography information corresponding to the time is merged with bow net offline image and is stored in bow net In offline image database.

Preferably, said apparatus further comprises that LTE 4G the whole networks of PCIE encapsulation lead to wireless communication module, for that will bend Specific bow net offline image is sent to distal end detection control centre and receives control instruction signal in net offline image database.

Preferably, said apparatus further comprises arbitrary source, for leading to while high clear digital imaging module is started Cross flash of light and luminous energy is provided, and the flash duration of arbitrary source is 0.025~0.05 microsecond, colour temperature 5600K.

Preferably, above-mentioned infrared thermal imaging module includes focusing at optical lens, photoelectric switching circuit and signal amplification Circuit is managed, the thermal image for 0.7~1.1 μm of wave-length coverage at the frame per second generation optical lens focal position with 3000Hz.

Preferably, above-mentioned UV sensor is using silicon FD-SOI complementary metals on surface encapsulation formula complete depletion type insulating barrier Oxide semiconductor CMOS.

Preferably, be provided with aluminium alloy water cooling socket pipe on the outside of above-mentioned first head support bar, and with the water at the top of locomotive Cold joint mouth is fixedly connected.

Preferably, above-mentioned first distance is 20 centimetres to 50 centimetres.

Preferably, above-mentioned second distance and the 3rd distance are one meter.

In summary, by adopting the above-described technical solution, the utility model at least has the advantages that：

By infrared thermal imaging module real-time capture bow net contact point and the temperature of other positions, pass through high sensitivity, height The Ultraviolet sensor of precision is acquired to caused arcing in bow net off-line procedure, reflects the offline situation of bow net in real time, can be with It is accurately positioned abnormity point, and high definition bow net offline image corresponding to obtain simultaneously, therefore being capable of effective guide line maintenance department To the accurate maintenance of abort situation；And due to by using non-contact detection mode, not interfering with, improving to bow net contact The security of detection.

Brief description of the drawings

Fig. 1 is the structural representation according to a kind of device detected for bow net off-line temperature of the embodiment of the utility model one Figure.

Embodiment

Below in conjunction with the accompanying drawings and embodiment, the utility model is further elaborated, so that of the present utility model Object, technical solution and advantage are more clearly understood.It should be appreciated that specific embodiment described herein is only explaining this reality With new, it is not used to limit the utility model.

As shown in figure 1, included according to a kind of device detected for bow net off-line temperature of the embodiment of the utility model one： UV sensor 1, infrared thermal imaging module 2, high clear digital imaging module 3, geography information locating module 4, bow net are schemed offline As database 5 and data processor service device 6.

UV sensor 1 is arranged on the end of pantograph support frame 71, and apart from pantograph pan 72, (it is outstanding with contact line 74 Be hung on by the lower section of the line of force 75) about 20 centimetres of contact point 73 to 50 centimeters, in pantograph pan 72 and contact line 74 When departing from and producing electric arc, the uitraviolet intensity sent according to electric arc produces ultraviolet detection signal, and is sent by bluetooth module To data processing server 6.

Infrared thermal imaging module 2 is arranged on horizontal range pantograph pan 72 and contact line by the first head support bar 21 At 74 73 1 meters of contact point, for obtaining thermal image and being sent to data processing server 6 by RS485 cables.

High clear digital imaging module 3 is arranged on horizontal range pantograph pan 72 with contacting by the second head support bar 22 At 73 1 meters of the contact point of line 74 and it is located at the side relative with infrared thermal imaging module 2.

Geography information locating module 4 is arranged on 76 at the top of locomotive, for obtaining the geography information changed over time.

Bow net offline image database 5 and data processor-server 6 are arranged at the top of locomotive 76 lower section, such as examine Survey in the computer room in motor car.Data processor service device 6 is used to determine occur according to ultraviolet detection signal and thermal image The bow net offline time, and start simultaneously high clear digital imaging module 3 with obtain bow net it is offline when image, and by the time pair The geography information answered merges with bow net offline image to be stored in bow net offline image database 5.

In a preferred embodiment, said apparatus may further include the logical radio communication of LTE 4G the whole networks of PCIE encapsulation Module 8, for specific bow net offline image in bow net offline image database 5 to be sent into distal end detection control centre and connect Receive control instruction signal.

In order to obtain clear image in tunnel environment or night, the device may further include arbitrary source, use Luminous energy is provided while high clear digital imaging module is being started, and the flash duration of arbitrary source is 0.025~0.05 Microsecond, colour temperature 5600K.Also, the device may further include uninterrupted power source UPS, for for the device other are each Individual component provides electric energy, so as to not receive the offline interference of detection motorcycle pantograph, further improves the reliability of detection.

In the particular embodiment, above-mentioned infrared thermal imaging module can include focus optical lens, photoelectric switching circuit, And signal processing circuit, for wave-length coverage 0.7~1.1 at the frame per second generation optical lens focal position with 3000Hz μm thermal image.Accordingly, aluminium alloy water cooling socket pipe can be set on the outside of the first head support bar, and with the water at the top of locomotive Cold joint mouth is fixedly connected, and so as to realize the fast cooling to infrared thermal imaging module, improves the reliability of device.Ultraviolet senses Device can use silicon FD-SOI complementary metal oxide semiconductors CMOS on surface encapsulation formula complete depletion type insulating barrier.

It is described above, the only detailed description of the utility model embodiment, rather than to limitation of the present utility model. Those skilled in the technology concerned in the case where not departing from principle and scope of the present utility model, the various replacements made, Modification and improvement should be included within the scope of protection of the utility model.

Claims (8)

1. a kind of device for the detection of bow net off-line temperature, it is characterised in that described device includes：Infrared thermal imaging module, UV sensor, high clear digital imaging module, geography information locating module, bow net offline image database and data processing Device server；

UV sensor is arranged on pantograph support frame end apart from pantograph pan and the distance of the contact point of contact line first Place, the uitraviolet intensity for when pantograph pan and contact line depart from and produce electric arc, being sent according to electric arc produce ultraviolet Detectable signal, and data processing server is sent to by bluetooth module；

Infrared thermal imaging module is arranged on horizontal range pantograph pan and the contact point of contact line by the first head support bar At second distance, for obtaining thermal image and being sent to data processing server by RS485 cables；

High clear digital imaging module sets horizontal range pantograph pan and the contact point of contact line by the second head support bar At 3rd distance and it is located at the side relative with infrared thermal imaging module；

Geography information locating module is arranged at the top of locomotive, for obtaining the geography information changed over time；

Bow net offline image database and data processor-server are arranged in the compartment of detection locomotive, data processor service Device is used to determine the bow net offline time occur according to ultraviolet detection signal and thermal image, and starts high clear digital imaging mould simultaneously Block merges with bow net offline image geography information corresponding to the time that to be stored in bow net offline to obtain bow net offline image In image data base.

2. device according to claim 1, it is characterised in that described device further comprises that the LTE 4G of PCIE encapsulation are complete Netcom's wireless communication module, for the bow net offline image in bow net offline image database to be sent in the detection control of distal end The heart simultaneously receives control instruction signal.

3. device according to claim 1, it is characterised in that described device further comprises arbitrary source, for opening There is provided luminous energy by glistening while dynamic high clear digital imaging module, and the flash duration of arbitrary source be 0.025~ 0.05 microsecond, colour temperature 5600K.

4. device according to claim 1, it is characterised in that the infrared thermal imaging module include focus optical lens, Photoelectric switching circuit and signal processing circuit, for ripple at the frame per second generation optical lens focal position with 3000Hz The thermal image of long 0.7~1.1 μm of scope.

5. device according to claim 1, it is characterised in that the UV sensor uses surface encapsulation formula fully- depleted Silicon FD-SOI complementary metal oxide semiconductors CMOS on type insulating barrier.

6. device according to claim 1, it is characterised in that be provided with aluminium alloy water on the outside of the first head support bar Cold socket pipe, and be fixedly connected with the water cooling interface at the top of locomotive.

7. device according to claim 1, it is characterised in that first distance is 20 centimetres to 50 centimetres.

8. device according to claim 1, it is characterised in that the second distance and the 3rd distance are one meter.