CN105788027A - Event recording device and recording method thereof - Google Patents
Event recording device and recording method thereof Download PDFInfo
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- CN105788027A CN105788027A CN201610152578.8A CN201610152578A CN105788027A CN 105788027 A CN105788027 A CN 105788027A CN 201610152578 A CN201610152578 A CN 201610152578A CN 105788027 A CN105788027 A CN 105788027A
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- event data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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Abstract
The invention provides a recording method of an event recording device. The method includes: sampling the event data of parts on an electric locomotive or an engineering maintenance vehicle according to a preset sampling cycle, wherein the preset sampling cycle is the minimum communication time of the parts on the electric locomotive or the engineering maintenance vehicle to guarantee that the even data of each part can be sampled; retaining the event data according to preset retention time, wherein the preset retention time is not smaller than the recording cycle of the event recording device to guarantee that each event datum can be recorded; recording the retained event data when the recording cycle comes to guarantee that the event data of each part can be sampled and recorded and avoid the situation that the instantaneous-abrupt-change information of the locomotive cannot be recorded. The invention further provides the event recording device which uses the same principle to avoid the situation that the instantaneous-abrupt-change information of the locomotive cannot be recorded, and the problem that the event recording device is low in reliability is solved.
Description
Technical field
The present invention relates to logout technical field, particularly relate to a kind of accident recording apparatus and recording method thereof.
Background technology
Event information is intermittently recorded by the accident recording apparatus of electric locomotive of the prior art or engineering maintenance vehicle, can not mate completely yet with between accident recording apparatus of the prior art with other bus apparatus, and the finite capacity of accident recording apparatus, there is contradiction in the record period of existing accident recording apparatus and its sampling period, so the situation that on current locomotive, the information record of instantaneous abrupt change is not gone up occasionally has generation, reduce the reliability of accident recording apparatus.
Summary of the invention
In view of this, the invention provides a kind of accident recording apparatus and recording method, the problem low to solve reliability in prior art.
To achieve these goals, the technical scheme that the embodiment of the present invention provides is as follows:
The recording method of a kind of accident recording apparatus, is applied to the accident recording apparatus of electric locomotive or engineering maintenance vehicle, including:
According to the default sampling period, described electric locomotive or described engineering maintenance vehicle upper-part event data are sampled；The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication；
According to preset hold time, described event data is kept；Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
Carry out the interim described event data to keeping at described record period to be recorded.
Preferably, the described step described event data kept according to preset hold time includes:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
Preferably, the described step temporarily the described event data kept to be recorded at described record period includes:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
Preferably, also include after described record period carrys out the step that the interim described event data to keeping is recorded:
Described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
Preferably, stop the step of the maintenance of described event data is included:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
A kind of accident recording apparatus, is applied to electric locomotive or engineering maintenance vehicle, including:
Sampling unit, for sampling to described electric locomotive or described engineering maintenance vehicle upper-part event data according to the default sampling period；The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication；
Holding unit, for keeping described event data according to preset hold time；Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
Record unit, is recorded for carrying out the interim described event data to keeping at described record period.
Preferably, when described holding unit is for keeping described event data according to preset hold time, specifically for:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
Preferably, described record unit is used for when described record period the described event data kept to be recorded temporarily, specifically for:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
Preferably, also include:
Releasing unit, for described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
Preferably, when described releasing unit is for stopping the maintenance to described event data, specifically for:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
The application provides the recording method of a kind of accident recording apparatus, is first according to preset the sampling period and described electric locomotive or described engineering maintenance vehicle upper-part event data are sampled；And described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication, it is ensured that each parts event data all can be sampled；Then according to described event data is kept by preset hold time；And described preset hold time is be more than or equal to the record period of described accident recording apparatus, it is ensured that each described event data all can be recorded；Finally carry out the interim described event data to keeping at described record period to be recorded, ensure that each parts event data all can be sampled and record, avoid the situation that the information record of instantaneous abrupt change on locomotive is not gone up, solve the problem that accident recording apparatus reliability is low.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The flow chart of the recording method of the accident recording apparatus that Fig. 1 provides for the embodiment of the present application；
Working timing figure in the accident recording apparatus that Fig. 2 provides for the embodiment of the present application；
Another flow chart of the recording method of the accident recording apparatus that Fig. 3 provides for another embodiment of the application；
The structural representation of the accident recording apparatus that Fig. 4 provides for another embodiment of the application；
Another structural representation of the accident recording apparatus that Fig. 5 provides for another embodiment of the application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The invention provides the recording method of a kind of accident recording apparatus, the problem low to solve reliability in prior art.
Concrete, the recording method of described accident recording apparatus, it is applied to the accident recording apparatus of electric locomotive or engineering maintenance vehicle.As it is shown in figure 1, the recording method of described accident recording apparatus includes:
S101, according to the default sampling period, described electric locomotive or described engineering maintenance vehicle upper-part event data are sampled；
The sampling period of described accident recording apparatus refer to described accident recording apparatus read other external device data (described electric locomotive or as described in engineering maintenance vehicle upper-part event data) read cycle；
The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication, it is ensured that each parts event data all can be sampled.
S102, according to preset hold time, described event data is kept；
Described event data is carried out maintenance specifically refer to: the described event data that sampling is obtained carries out maintenance makes its value constant, until described preset hold time just allows it to change after terminating；
Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
The record period of described accident recording apparatus refers to the write cycle time every time writing data in described accident recording apparatus；Described preset hold time is be more than or equal to the described record period of described accident recording apparatus, it is ensured that each described event data all can be recorded.
S103, carry out the interim described event data to keeping at described record period and be recorded.
Adopt the record for described event data that each step above-mentioned realizes, working timing figure in described accident recording apparatus is as shown in Figure 2, including: the described electric locomotive obtained by step S101 sampling or the waveform V1 of described engineering maintenance vehicle upper-part event data, the waveform V2 obtained after described event data being kept by step S102, and the wave recording V3 by the step S103 described event data obtained.
The recording method of the described accident recording apparatus that the present embodiment provides, by being set to described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication the described default sampling period, it is ensured that each parts event data all can be sampled；By described preset hold time is set greater than being equal to the record period of described accident recording apparatus, it is ensured that each described event data all can be recorded；Finally carry out the interim described event data to keeping at described record period to be recorded, ensure that each parts event data all can be sampled and record, avoid the situation that the information record of instantaneous abrupt change on locomotive is not gone up, solve the problem that accident recording apparatus reliability is low.
What deserves to be explained is, if adopting the sampling period identical with record period, the capacity needing described accident recording apparatus is sufficiently large, to ensure not have the problem that information fails to record, the recording method of the described accident recording apparatus that the present embodiment provides, it is possible to be applicable to when described accident recording apparatus is data capacity same with prior art or capacity is less, because record period can more than the sampling period, just the effectiveness of the data storage of record can be promoted, to improve work efficiency.
Further, since can not mate completely between accident recording apparatus of the prior art with other bus apparatus, for instance, the sampling period of trailer system data and described accident recording apparatus and record period do not mate and just result in the situation that data record is not gone up；Therefore the recording method of described accident recording apparatus that the present embodiment provides, it is also possible to the problem being effectively improved on locomotive each subsystem matching.
Another embodiment of the present invention additionally provides the recording method of another accident recording apparatus, is applied to the accident recording apparatus of electric locomotive or engineering maintenance vehicle.As it is shown in figure 1, the recording method of described accident recording apparatus includes:
S101, according to the default sampling period, described electric locomotive or described engineering maintenance vehicle upper-part event data are sampled；
The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication.
S102, according to preset hold time, described event data is kept；
Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
S103, carry out the interim described event data to keeping at described record period and be recorded.
Optionally, step S102 includes:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
Optionally, step S103 includes:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
Preferably, as it is shown on figure 3, also include after step s 103:
S104, described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
Optionally, step S104 includes:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
Generally, the maintenance carried out for described event data can realize by depositing in the internal storage of described accident recording apparatus temporarily；And the release carried out for described event data can be the data of the sequential of maintenance discharged, no longer keep so that it is change with primary signal.
Certainly, in concrete practical application, its concrete applied environment can be made to carry out concrete setting for the maintenance of described event data, record and release, be only a kind of example herein, be not limited to this；By described event data being sequentially carried out under the default cycle sampling, keeping and record, to guarantee the various modes that each event data is all sampled and records, all in the protection domain of the application.
Another embodiment of the present invention additionally provides a kind of accident recording apparatus, is applied to electric locomotive or engineering maintenance vehicle, as shown in Figure 4, and including:
Sampling unit 101, holding unit 102 and record unit 103.
Concrete operation principle is:
Sampling unit 101 is for sampling to described electric locomotive or described engineering maintenance vehicle upper-part event data according to the default sampling period；The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication；
Holding unit 102 is for keeping described event data according to preset hold time；Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
Record unit 103 is recorded for carrying out the interim described event data to keeping at described record period.
The described accident recording apparatus that the present embodiment provides, ensure that each parts event data all can be sampled and record by above-mentioned operation principle, avoid the situation that the information record of instantaneous abrupt change on locomotive is not gone up, solve the problem that accident recording apparatus reliability is low.Improve the effectiveness of the data storage of record simultaneously, namely improve work efficiency, and the problem being effectively improved on locomotive each subsystem matching.
Preferably, when holding unit 102 is for keeping described event data according to preset hold time, specifically for:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
Preferably, record unit 103 is used for when described record period the described event data kept to be recorded temporarily, specifically for:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
Preferably, as it is shown in figure 5, described accident recording apparatus also includes:
Releasing unit 104, for described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
Concrete, after the described event data kept is recorded by record unit 103, and described event data be sampled the described preset hold time after obtaining terminate time, it is possible to stopped the maintenance to described event data by releasing unit 104.
Preferably, when releasing unit 104 is for stopping the maintenance to described event data, specifically for:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
Concrete operation principle is same as the previously described embodiments, no longer repeats one by one herein.
In the present invention, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates referring to method part.
Below it is only the preferred embodiment of the present invention, makes to skilled artisans appreciate that or realize the present invention.The multiple amendment of these embodiments be will be apparent to one skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. the recording method of an accident recording apparatus, it is characterised in that be applied to the accident recording apparatus of electric locomotive or engineering maintenance vehicle, including:
According to the default sampling period, described electric locomotive or described engineering maintenance vehicle upper-part event data are sampled；The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication；
According to preset hold time, described event data is kept；Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
Carry out the interim described event data to keeping at described record period to be recorded.
2. the recording method of accident recording apparatus according to claim 1, it is characterised in that the described step described event data kept according to preset hold time includes:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
3. the recording method of accident recording apparatus according to claim 1, it is characterised in that the described step temporarily the described event data kept to be recorded at described record period includes:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
4. the recording method according to the arbitrary described accident recording apparatus of claims 1 to 3, it is characterised in that also include after described record period carrys out the step that the interim described event data to keeping is recorded:
Described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
5. the recording method of accident recording apparatus according to claim 4, it is characterised in that stop the step of the maintenance of described event data is included:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
6. an accident recording apparatus, it is characterised in that be applied to electric locomotive or engineering maintenance vehicle, including:
Sampling unit, for sampling to described electric locomotive or described engineering maintenance vehicle upper-part event data according to the default sampling period；The described default sampling period is described electric locomotive or the minimum time of described engineering maintenance vehicle bus upper-part communication；
Holding unit, for keeping described event data according to preset hold time；Described preset hold time is be more than or equal to the record period of described accident recording apparatus；
Record unit, is recorded for carrying out the interim described event data to keeping at described record period.
7. accident recording apparatus according to claim 6, it is characterised in that when described holding unit is for keeping described event data according to preset hold time, specifically for:
In described preset hold time after sampling obtains described event data, by described event data storage memorizer in described physical record device.
8. accident recording apparatus according to claim 6, it is characterised in that described record unit is used for when described record period the described event data kept to be recorded temporarily, specifically for:
The interim memorizer writing in described physical record device by the described event data kept is carried out at described record period.
9. according to the arbitrary described accident recording apparatus of claim 6 to 8, it is characterised in that also include:
Releasing unit, for described event data be sampled the described preset hold time after obtaining terminate time, stop maintenance to described event data.
10. accident recording apparatus according to claim 9, it is characterised in that when described releasing unit is for stopping the maintenance to described event data, specifically for:
The described event data that release is stored in described physical record device in memorizer, makes the value of described event data follow the event data change that real-time sampling obtains.
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| CN117032590A (en) * | 2023-10-08 | 2023-11-10 | 青岛鼎信通讯股份有限公司 | Storage system and method for dynamic data in event record of electric energy meter |
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| CN105788027B (en) | 2019-12-17 |
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