CN202896313U - Off-line detection and alarm device used for trolley bus - Google Patents
Off-line detection and alarm device used for trolley bus Download PDFInfo
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- CN202896313U CN202896313U CN 201220488843 CN201220488843U CN202896313U CN 202896313 U CN202896313 U CN 202896313U CN 201220488843 CN201220488843 CN 201220488843 CN 201220488843 U CN201220488843 U CN 201220488843U CN 202896313 U CN202896313 U CN 202896313U
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Abstract
The utility model discloses an off-line detection and alarm device used for a trolley bus. The off-line detection and alarm device used for the trolley bus comprises a voltage sampling module, a current-limiting and voltage-dividing module, an isolation module, a voltage regulator module (VRM), a logic processing module and an alarm module. The current-limiting and voltage-dividing module is connected with the voltage sampling module, the voltage sampling module is connected with the VRM, the VRM is connected with the isolation module, the isolation module is connected with the logic processing module, and the logic processing module is connected with the alarm module. The current-limiting and voltage-dividing module is used for limiting a voltage introduced from an overhead line system, the voltage sampling module is used for voltage sampling, after regulated by the VRM, the voltage is input into the isolation module, the isolation module converts the regulated analog quantity voltage to a digital quantity voltage, logic judgment is performed on the digital quantity voltage by the logic processing module, and the logic processing module is connected with the alarm module. The off-line detection and alarm device used for the trolley bus is simple and reasonable in structure, low in cost due to the fact that all components are common circuit components, and good in alarm and detection effects as proved by practice.
Description
Technical field
The utility model relates to trackless trolley car off-line protection, is specifically related to a kind of trackless trolley car with off-line detection and warning device.
Background technology
Trackless trolley car is a kind of from the power taking of electric power contact system, uses electric power to start, and does not rely on the public transport means that trapped orbit travels on road, that is is " wire control electric passenger vehicle ".The vehicle body of trackless trolley car belongs to passenger vehicle, only promote with electric power, and the electric power that uses is by aerial cable that the trolley pole on roof is obtained.
Trackless trolley car is subject to using comparatively widely because of energy-conserving and environment-protective, energy efficiency advantages of higher.But the common trackless trolley car that lacks auxiliary power source, maximum shortcoming is the route running that can only follow according to predetermined, alerting ability is relatively poor.Do not having in the situation of exclusive lane, when coming in contact the online story event, may cause traffic congestion because of vehicle immobilization.
And for the trackless trolley car that has loaded closed-centre system for subsequent use, although solved to a certain extent the drawback that the blind electric district of trackless trolley car can't move, but because of differences such as two kinds of energy resource system voltage classs, energy densities, can bring impact to the stability of electric system, existing trackless trolley car does not have the contact system off-line, fault detection is reported to the police, therefore in contact system off-line or fault, have no idea in time to start backup power and cause parking and other inconvenience.
It is very large that trackless trolley car is affected by urban public bus lines, no matter whether backup power is arranged, and all can be because making a big impact for the operation to trackless trolley car of the factors such as quality of contact system.
Therefore be necessary prior art is improved.
Summary of the invention
For the problem that exists in the background technology, the utility model provides a kind of trackless trolley car with off-line detection and warning device, can to trackless trolley car whether off-grid detect timely and report to the police prepare or the starting backup power so that chaufeur is carried out to park in advance.
The technical scheme that the utility model technical solution problem adopts is:
A kind of trackless trolley car is with off-line detection and warning device, comprise the voltage sample module, the current limliting division module, isolation module, Voltage stabilizing module, logic processing module and alarm module, described current limliting division module connects the voltage sample module, described voltage sample module connects described Voltage stabilizing module, and described Voltage stabilizing module connects logic processing module, and described logic processing module connects alarm module; Described current limliting division module is used for limiting the voltage of introducing from contact system, described voltage sample module is used for gathering voltage, carry out being input to isolation module behind the voltage stabilization through Voltage stabilizing module, the analog quantity voltage of described isolation module after with voltage stabilizing converts digital quantity voltage to, this digital quantity voltage carries out logic through logic processing module and judges that described logic processing module connects alarm module; Digital quantity voltage is judged through logic processing module, if normal, then continues driving, and alarm module does not give the alarm, if mal, then alarm module gives the alarm.
Further, described current limliting division module is in series by a plurality of resistance, and described voltage sample module is one to be connected to the variable resistance between the voltage input end both positive and negative polarity.
Further, described Voltage stabilizing module is stabilivolt.
Further, described isolation module is optical coupling isolator, and described stabilivolt is connected with the light-emitting diode of described optical coupling isolator, and the voltage transitions of described optical coupling isolator after with voltage stabilizing becomes digital quantity voltage.
Further, described logic judgment module is connected and composed by the mode that two aerotrons adopt cobasis to collect altogether, after the input of digital quantity voltage, if high potential, illustrate that trackless trolley car does not have off-line, then logic judgment module is exported high level, if low voltage, the trackless trolley car off-line is described, then the logic judgment module output low level.
Further, affiliated alarm module comprises relay, relay drive circuit and combined aural and visual alarm, described relay drive circuit connects described logic judgment module, and described relay drive circuit drives described relay, and described relay connects described combined aural and visual alarm, when logic judgment module output high level, then relay is failure to actuate, and combined aural and visual alarm does not give the alarm, when the logic judgment module output low level, the then actuating of relay, combined aural and visual alarm gives the alarm.
The utility model has the advantage of: 1) the utility model is because adopting resistance, electric capacity, and the ingenious formation off-line detection of the common components such as optocoupler and warning circuit, with low cost, but function-stable is reliable; 2) the alerting signal power of the present invention's output is stronger in addition, can drive high-performance loudspeaker or light and realize reporting to the police; 3) sampling resistor has adopted variable rheostat, and the convenient alarm parameters of revising has been expanded field of application of the present invention greatly; 4) this invention is widely used at trackless trolley car, has improved the safety and reliability of vehicle, and cost performance is relatively high.
Description of drawings
Fig. 1 is a kind of trackless trolley car described in the utility model with the modular construction figure of off-line detection and warning device;
Fig. 2 is a kind of trackless trolley car described in the utility model with the circuit diagram of off-line detection and warning device embodiment.
The specific embodiment
Further set forth the technical solution of the utility model below in conjunction with the drawings and specific embodiments
As shown in Figure 1, a kind of trackless trolley car is with off-line detection and warning device, comprise the voltage sample module, current limliting division module, isolation module, Voltage stabilizing module, logic processing module and alarm module, described current limliting division module connects the voltage sample module, and described voltage sample module connects described Voltage stabilizing module, described Voltage stabilizing module connects logic processing module, and described logic processing module connects alarm module; Described current limliting division module is used for limiting the voltage of introducing from contact system, described voltage sample module is used for gathering voltage, carry out being input to isolation module behind the voltage stabilization through Voltage stabilizing module, the analog quantity voltage of described isolation module after with voltage stabilizing converts digital quantity voltage to, this digital quantity voltage carries out logic through logic processing module and judges that described logic processing module connects alarm module; Digital quantity voltage is judged through logic processing module, if normal, then continues driving, and alarm module does not give the alarm, if mal, then alarm module gives the alarm.
As further embodiment of the present utility model, described current limliting division module is in series by a plurality of resistance, and described voltage sample module is one to be connected to the variable resistance between the voltage input end both positive and negative polarity.
As further embodiment of the present utility model, described Voltage stabilizing module is stabilivolt.
As further embodiment of the present utility model, described isolation module is optical coupling isolator, and described stabilivolt is connected with the light-emitting diode of described optical coupling isolator, and the voltage transitions of described optical coupling isolator after with voltage stabilizing becomes digital quantity voltage.
As further embodiment of the present utility model, described logic judgment module is connected and composed by the mode that two aerotrons adopt cobasis to collect altogether, after the input of digital quantity voltage, if high potential, illustrate that trackless trolley car does not have off-line, then logic judgment module is exported high level, if low voltage, the trackless trolley car off-line is described, then the logic judgment module output low level.
As further embodiment of the present utility model, affiliated alarm module comprises relay, relay drive circuit and combined aural and visual alarm, described relay drive circuit connects described logic judgment module, described relay drive circuit drives described relay, described relay connects described combined aural and visual alarm, when logic judgment module output high level, then relay is failure to actuate, combined aural and visual alarm does not give the alarm, when the logic judgment module output low level, the then actuating of relay, combined aural and visual alarm gives the alarm.
Embodiment
As shown in Figure 2, resistance R 1 ~ R5 is connected into the current limliting division module, and input voltage is carried out the dividing potential drop current limliting; Variable resistance R6 is connected to and consists of the voltage sample module between the both positive and negative polarity of input end, adopts variable resistance R6, the convenient alarm parameters of revising; Stabilivolt V3 consists of Voltage stabilizing module, and R6 is in parallel with sampling resistor, and the voltage that R6 is gathered carries out voltage stabilizing, makes it to be stabilized within the certain voltage scope, and capacitor C 1 plays the effect of auxiliary voltage stabilizing; Optical coupling isolator D1 consists of isolation module, converts the analog quantity voltage that gathers to digital quantity voltage, and stabilivolt V3 connects with the light-emitting diode of optical coupling isolator D1, and diode V4 is the bleeder resistor of optical coupling isolator D1; Voltage becomes the digital voltage of 15V or 0V after optical coupling isolator D1 conversion, be input to relay drive circuit and the alarm module that is formed by V1, V7 and C8 by the logic judgment module that is formed by aerotron V5, V6, when the trackless trolley car contact system is non-off-line, optical coupling isolator D1 output 15V voltage signal, relay D2 is failure to actuate, when the off-line of trackless trolley car contact system, and optical coupling isolator D1 output 0V voltage signal, relay D2 action, combined aural and visual alarm gives the alarm.
Above embodiment only is preferred embodiment of the present utility model; those of ordinary skills do not break away from do under the enlightenment of the utility model essence and technology do not have novelty and creationary distortion and of equal value a replacement; all should be considered as within protection domain of the present utility model, protection domain of the present utility model is specifically decided on its claims.
Claims (6)
1. a trackless trolley car is with off-line detection and warning device, it is characterized in that, comprise the voltage sample module, current limliting division module, isolation module, Voltage stabilizing module, logic processing module and alarm module, described current limliting division module connects the voltage sample module, and described voltage sample module connects described Voltage stabilizing module, described Voltage stabilizing module connects logic processing module, and described logic processing module connects alarm module; Described current limliting division module is used for limiting the voltage of introducing from contact system, described voltage sample module is used for gathering voltage, carry out being input to isolation module behind the voltage stabilization through Voltage stabilizing module, the analog quantity voltage of described isolation module after with voltage stabilizing converts digital quantity voltage to, this digital quantity voltage carries out logic through logic processing module and judges that described logic processing module connects alarm module; Digital quantity voltage is judged through logic processing module, if normal, then continues driving, and alarm module does not give the alarm, if mal, then alarm module gives the alarm.
2. described a kind of trackless trolley car is characterized in that with off-line detection and warning device according to claim 1, and described current limliting division module is in series by a plurality of resistance, and described voltage sample module is one to be connected to the variable resistance between the voltage input end both positive and negative polarity.
3. described a kind of trackless trolley car is characterized in that with off-line detection and warning device according to claim 1 and 2, and described Voltage stabilizing module is stabilivolt.
According to claim 3 described a kind of trackless trolley car with off-line detection and warning device, it is characterized in that, described isolation module is optical coupling isolator, and described stabilivolt is connected with the light-emitting diode of described optical coupling isolator, and the voltage transitions of described optical coupling isolator after with voltage stabilizing becomes digital quantity voltage.
According to claim 4 described a kind of trackless trolley car with off-line detection and warning device, it is characterized in that, described logic judgment module is connected and composed by the mode that two aerotrons adopt cobasis to collect altogether, after the input of digital quantity voltage, if high potential illustrates that trackless trolley car does not have off-line, then logic judgment module is exported high level, if low voltage illustrates the trackless trolley car off-line, logic judgment module output low level then.
According to claim 5 described a kind of trackless trolley car with off-line detection and warning device, it is characterized in that, affiliated alarm module comprises relay, relay drive circuit and combined aural and visual alarm, described relay drive circuit connects described logic judgment module, described relay drive circuit drives described relay, described relay connects described combined aural and visual alarm, when logic judgment module output high level, then relay is failure to actuate, combined aural and visual alarm does not give the alarm, when the logic judgment module output low level, the then actuating of relay, combined aural and visual alarm gives the alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488843 CN202896313U (en) | 2012-09-24 | 2012-09-24 | Off-line detection and alarm device used for trolley bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488843 CN202896313U (en) | 2012-09-24 | 2012-09-24 | Off-line detection and alarm device used for trolley bus |
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| CN202896313U true CN202896313U (en) | 2013-04-24 |
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| CN 201220488843 Expired - Lifetime CN202896313U (en) | 2012-09-24 | 2012-09-24 | Off-line detection and alarm device used for trolley bus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635591A (en) * | 2015-02-04 | 2015-05-20 | 北京科技大学 | Intelligent branching system of trackless transit trolley and branching method |
| CN105429561A (en) * | 2015-12-28 | 2016-03-23 | 珠海格力电器股份有限公司 | Motor control circuit |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
-
2012
- 2012-09-24 CN CN 201220488843 patent/CN202896313U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635591A (en) * | 2015-02-04 | 2015-05-20 | 北京科技大学 | Intelligent branching system of trackless transit trolley and branching method |
| CN105429561A (en) * | 2015-12-28 | 2016-03-23 | 珠海格力电器股份有限公司 | Motor control circuit |
| CN105429561B (en) * | 2015-12-28 | 2018-09-07 | 珠海格力电器股份有限公司 | Motor control circuit |
| CN107340439A (en) * | 2017-05-18 | 2017-11-10 | 扬子江汽车集团有限公司 | A kind of off-grid detection means of trolleybus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhongche Times Electric Vehicle Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address after: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: HUNAN CRRC TIMES ELECTRIC VEHICLE Co.,Ltd. Address before: 412007 Liyu Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province Patentee before: HUNAN CSR TIMES ELECTRIC VEHICLE Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |