CN103164819A - Power equipment safety detection method and device - Google Patents
Power equipment safety detection method and device Download PDFInfo
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- CN103164819A CN103164819A CN2013101079938A CN201310107993A CN103164819A CN 103164819 A CN103164819 A CN 103164819A CN 2013101079938 A CN2013101079938 A CN 2013101079938A CN 201310107993 A CN201310107993 A CN 201310107993A CN 103164819 A CN103164819 A CN 103164819A
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Abstract
The invention provides a power equipment safety detection method. The power equipment safety detection method comprises the step: determines average failure rate of target power equipment according to a predetermined state quantization standard and state quantity of the power equipment acquired in real time; acquiring asset quantized value of the target power equipment according to pre-stored equipment machine account information and predetermined equipment asset quantization tables; acquiring asset loss degree quantized value of the target power equipment according to pre-stored equipment failure data and predetermined equipment asset loss quantization tables; multiplying the asset quantized value of the target equipment by the asset loss degree quantized value of the target equipment and then by the average failure rate to acquire the risk value of the target equipment; and sending corresponding alarming prompts according to the comparison results of the risk value and a predetermined alarming threshold. The invention further provides a power equipment safety detection device, and the power equipment safety detection device can quickly obtain reliable power equipment safety inspection results and provides reliable basis for workers.
Description
Technical field
The present invention relates to the safety detection field of power equipment, particularly relate to a kind of power equipment safety detection method and device.
Background technology
The safe and stable operation of equipment is the important foundation that guarantees electric power netting safe running, based on results such as operational inspection, maintenance, maintenance, preventive trial and live testings (on-line monitoring), each quantity of state index to reflection equipment health status is carried out assay, thereby determines the equipment state grade.On the basis that equipment state is estimated, the possibility that assessment apparatus breaks down and severity of consequence, determine that equipment faces with the risk that may cause.
In present infosystem, system can't detect according to the data of producing O﹠M automatically; After detection, need to draw the assets value value of equipment manually according to device parameter checking apparatus price standard, finally obtain the estimated value of risk, then determine according to this estimated value that equipment faces with the risk class that may cause.Can not realize obtaining quickly and accurately the safety check result of power equipment.
Summary of the invention
The object of the invention is to propose a kind of power equipment safety detection method and device, can obtain rapidly reliable power equipment safety check result, for the decision-making of the production works such as power transmission and transforming equipment operation, maintenance, maintenance, test, technological transformation provides reliable foundation.
The scheme that adopts:
A kind of power equipment safety detection method comprises step:
Quantized the quantity of state of the power equipment of criterion and Real-time Obtaining by predetermined state, determine the failure rate of purpose power equipment;
By pre-stored equipment account information and predetermined asset of equipments quantization table, obtain the Equity quantification value of purpose power equipment;
By pre-stored equipment failure data and predetermined asset of equipments loss quantization table, obtain the loss of assets degree quantized value of destination device;
The Equity quantification of described destination device is on duty in the loss of assets degree quantized value of described destination device, then take advantage of in described failure rate, the value-at-risk of described destination device obtained;
According to described value-at-risk and the alarming threshold value comparative result of being scheduled to, send corresponding alarm.
And a kind of power equipment safety pick-up unit comprises:
The first acquiring unit is used for the quantity of state by the power equipment of predetermined state quantification criterion and Real-time Obtaining, determines the failure rate of purpose power equipment;
Second acquisition unit is used for obtaining the Equity quantification value of purpose power equipment by pre-stored equipment account information and predetermined asset of equipments quantization table;
The 3rd acquiring unit is used for obtaining the loss of assets degree quantized value of destination device by pre-stored equipment failure data and predetermined asset of equipments loss quantization table;
The 4th acquiring unit for the Equity quantification of described destination device is on duty in the loss of assets degree quantized value of described destination device, then is taken advantage of in described failure rate, obtains the value-at-risk of described destination device;
Alarm unit is used for sending corresponding alarm according to described value-at-risk and the alarming threshold value comparative result of being scheduled to.
In the present invention, with equipment state amount and the predetermined state quantizing rule of Real-time Obtaining, obtain the failure rate of destination device; According to the account information of equipment, the Equity quantification value that the asset of equipments quantization table obtains equipment; Obtain the loss of assets degree quantized value of destination device according to the historical failure information of equipment, predetermined asset of equipments loss quantization table; And then obtaining the value-at-risk of destination device according to failure rate, Equity quantification value and loss of assets degree quantized value, the comparison alarming threshold value is reported to the police accordingly; Whole process need not too much artificial participation, only need input necessary data, can obtain voluntarily the safety detection result of equipment, can obtain rapidly reliable power equipment safety check result, for the decision-making of the production works such as power transmission and transforming equipment operation, maintenance, maintenance, test, technological transformation provides reliable foundation.
Description of drawings
Fig. 1 is an implementing procedure figure of the inventive method;
Fig. 2 is a structural representation of apparatus of the present invention.
Embodiment
The present invention proposes a kind of power equipment safety detection method, please flow process can with reference to figure 1, comprise step:
S1, quantized the quantity of state of the power equipment of criterion and Real-time Obtaining by predetermined state, determine the failure rate of purpose power equipment;
Concrete, the S1 step comprises:
Obtain the real-time status amount of purpose power equipment; Wherein, according to dissimilar equipment, quantity of state is different, such as: the main transformer quantity of state comprises 56 of family's defective, defect situation, transformer overload, leakage of oil, body oil level, noise and vibration, immerges etc.;
Real-time status amount and predetermined state are quantized comparison between the standards, be namely that the quantity of state during with normal operation is compared with the real-time status amount, and according to quantity of state degradation level threshold values, determine the degradation level of the correspondence of current real-time status amount; Namely obtain the degradation level of destination device;
According to the corresponding relation of degradation level, degradation level and the score value of destination device, obtain the deteriorated score value of current device, then the weights corresponding according to each degradation level, obtain the state score of destination device;
With state score and predetermined equipment failure level thresholds comparison, obtain the fault rank of destination device; The fault rank can be: normal condition, attention state, abnormality, serious state; Wherein, normal condition represents this equipment all is normal; Attention state represents that this equipment has degradation trend; Abnormality represents that this equipment operation is undesired, continues operation and can cause the power grid security accident; This equipment operation of serious state representation is seriously undesired, continues operation and will cause serious electronic game security incident;
According to predetermined equipment failure rank table corresponding to the equipment failure rate, obtain the failure rate of destination device.
Wherein, predetermined equipment failure rank and the example of the corresponding table of equipment failure rate, can be with reference to following table:
S2, by pre-stored equipment account information and predetermined asset of equipments quantization table, obtain the Equity quantification value of purpose power equipment;
Wherein, the S2 step comprises:
From pre-stored equipment account information, obtain the value of destination device;
With the asset of equipments quantization table of value ratio to being scheduled to of destination device, obtain the Equity quantification value of purpose power equipment.
Describe as an example of transformer example:
Be divided into three rank: 110kV, 220kV and 500kV according to the electric pressure of transformer, the span of quantification is 1～10.During the concrete value of apparatus value, transformer is considered the impact of capacity.
Predetermined transformer Equity quantification table
S3, by pre-stored equipment failure data and predetermined asset of equipments loss quantization table, obtain the loss of assets degree quantized value of destination device;
Wherein, the loss of assets degree is determined by the extent of damage of cost, environment, personal safety, power grid security four elements.
Concrete, the S3 step comprises:
1, from pre-stored equipment failure data, obtain the loss of assets key element of destination device, the grade of each key element loss and the loss probability of loss of assets key element;
Predetermined asset of equipments loss quantization table comprises: the loss of assets key element quantization table of equipment and the loss probability table of loss of assets key element; Wherein, the loss of assets key element quantization table of equipment comprises: the loss grade of each key element and corresponding quantized value; The loss grade of cost element is generally: especially big equipment breakdown, substantial equipment accident, category-A general device accident, category-B general device accident, equipment one class obstacle; The loss grade of environmental element is generally: severe contamination, intermediate pollution, slight pollution; The loss grade of personal safety key element is generally: especially big personal injury; Great personal injury; General personal injury; Heavy, slight wound accident; The loss grade of power grid security key element is generally: short-term load accident, great power grid accident, the general power grid accident of category-A, the general power grid accident of category-B, electrical network one class obstacle;
The loss of assets key element quantization table of equipment can be expressed as follows:
Take transformer as example, the loss probability table of loss of assets key element is as follows:
2, according to the loss of assets key element quantization table of equipment and the grade of each key element loss, obtain the key element loss quantized value of destination device;
3, according to the loss probability table of loss of assets key element and the grade of each key element loss, obtain the key element loss probability value of destination device;
4, according to formula
Obtain the key element extent of damage quantized value of destination device;
Wherein, I
kKey element loss quantized value for destination device; POF
kKey element loss probability value for destination device; K is the grade kind of key element loss; N is the loss of assets factor type;
5, according to formula
Obtain the loss of assets degree quantized value of destination device; Wherein, W
nBe n the weight that the loss of assets key element is corresponding; F is the loss of assets degree quantized value of destination device.Wherein, cost element, environmental element, personal safety key element, the general value of power grid security key element extent of damage weight coefficient are 0.4,0.2,0.4,0.4;
The loss of assets degree of equipment is generally determined by the extent of damage of cost, environment, personal safety, power grid security four elements.
Take transformer as example:
According to formula F=w
1* F
1+ w
2* F
2+ w
3* F
3+ w
4* F
4Equipment loss of assets degree quantized value;
In formula: F is asset of equipments extent of damage quantized value; F
1Cost allowance degree quantized value for assets; F
2Environmental loss degree quantized value for assets; F
3Personal safety extent of damage quantized value for assets; F
4Be the power grid security extent of damage quantized value of assets, w
1, w
2, w
3, w
4Be respectively cost, environment, personal safety, power grid security four elements extent of damage weight coefficient;
According to formula
Obtain n key element extent of damage quantized value; Take cost element as example:
F
1=I
11* POF
11+ I
12* POF
12+ I
13* POF
13+ I
14* POF
14+ I
15* POF
15Can get F according to the loss of assets key element quantization table of equipment and the loss probability table of transformer loss of assets key element
1=9 * 0+6 * 0+3 * 57.1%+2 * 42.9%+1 * 0.
Other key elements can obtain according to similar approach.
S4, the Equity quantification of destination device is on duty in the loss of assets degree quantized value of destination device, then take advantage of in failure rate, the value-at-risk of destination device obtained;
S5, according to value-at-risk and predetermined alarming threshold value comparative result, send corresponding alarm.
The risk alarming threshold value of a plurality of grades can be set according to actual needs, as, device security threshold values, unit exception threshold values, equipment severely subnormal threshold values; For different alarming threshold values, send different alarms, so that the staff carries out corresponding measure; Wherein, alarm comprises audio alert, and/or light warning, and/or the pop-up window prompting.Prompt can show the relevant information of equipment, so that the staff grasps the running status of equipment fast.
The inventive method obtains the failure rate of destination device with equipment state amount and the predetermined state quantizing rule of Real-time Obtaining; According to the account information of equipment, the Equity quantification value that the asset of equipments quantization table obtains equipment; Obtain the loss of assets degree quantized value of destination device according to the historical failure information of equipment, predetermined asset of equipments loss quantization table; And then obtaining the value-at-risk of destination device according to failure rate, Equity quantification value and loss of assets degree quantized value, the comparison alarming threshold value is reported to the police accordingly; Whole process need not too much artificial participation, only need input necessary data, can obtain voluntarily the safety detection result of equipment, can obtain rapidly reliable power equipment safety check result, for the decision-making of the production works such as power transmission and transforming equipment operation, maintenance, maintenance, test, technological transformation provides reliable foundation.
Wherein,
1) predetermined state quantizes criterion, quantity of state when normally moving comprising each equipment, weights corresponding to score value, each degradation level that quantity of state degradation level threshold values, each degradation level are corresponding, the quantity of state of parts when normal operation of each equipment;
2) the historical equipment failure data of equipment are comprising the historical failure data of each equipment, each key element (as: environmental factor, personal safety factor, power grid security factor) of each asset of equipments loss, the loss grade of each key element, probability of each key element loss etc.;
3) predetermined asset of equipments loss quantization table is comprising each key element of asset of equipments loss, the grade of each key element loss, corresponding quantification value;
4) predetermined asset of equipments quantization table is comprising the specification of each equipment, corresponding price and corresponding quantized value;
5) equipment account information is comprising specification and the corresponding price of each power equipment.
The present invention also proposes a kind of power equipment safety pick-up unit, and its structural representation comprises with reference to figure 2:
The first acquiring unit is used for the quantity of state by the power equipment of predetermined state quantification criterion and Real-time Obtaining, determines the failure rate of purpose power equipment;
Second acquisition unit is used for obtaining the Equity quantification value of purpose power equipment by pre-stored equipment account information and predetermined asset of equipments quantization table;
The 3rd acquiring unit is used for obtaining the loss of assets degree quantized value of destination device by pre-stored equipment failure data and predetermined asset of equipments loss quantization table;
The 4th acquiring unit for the Equity quantification of destination device is on duty in the loss of assets degree quantized value of destination device, then is taken advantage of in failure rate, obtains the value-at-risk of destination device;
Alarm unit is used for sending corresponding alarm according to value-at-risk and the alarming threshold value comparative result of being scheduled to.
Apparatus of the present invention obtain the failure rate of destination device with equipment state amount and the predetermined state quantizing rule of Real-time Obtaining; According to the account information of equipment, the Equity quantification value that the asset of equipments quantization table obtains equipment; Obtain the loss of assets degree quantized value of destination device according to the historical failure information of equipment, predetermined asset of equipments loss quantization table; And then obtaining the value-at-risk of destination device according to failure rate, Equity quantification value and loss of assets degree quantized value, the comparison alarming threshold value is reported to the police accordingly; Whole process need not too much artificial participation, only need input necessary data, can obtain voluntarily the safety detection result of equipment, can obtain rapidly reliable power equipment safety check result, for the decision-making of the production works such as power transmission and transforming equipment operation, maintenance, maintenance, test, technological transformation provides reliable foundation.
Wherein, the first acquiring unit obtains the real-time status amount of purpose power equipment;
Real-time status amount and the state of being scheduled to are quantized comparison between the standards, obtain the degradation level of destination device;
According to degradation level and the weights corresponding to each degradation level of destination device, obtain the state score of destination device;
With state score and predetermined equipment failure level thresholds comparison, obtain the fault rank of destination device;
According to predetermined equipment failure rank table corresponding to the equipment failure rate, obtain the failure rate of destination device.
Wherein, second acquisition unit obtains the value of destination device from pre-stored equipment account information;
With the asset of equipments quantization table of value ratio to being scheduled to of destination device, obtain the Equity quantification value of purpose power equipment.
Wherein, the 3rd acquiring unit obtains the loss of assets key element of destination device, the grade of each key element loss and the loss probability of loss of assets key element from pre-stored equipment failure data;
Predetermined asset of equipments loss quantization table comprises: the loss of assets key element quantization table of equipment and the loss probability table of loss of assets key element;
According to the loss of assets key element quantization table of equipment and the grade of each key element loss, obtain the key element loss quantized value of destination device;
According to the loss probability table of loss of assets key element and the grade of each key element loss, obtain the key element loss probability value of destination device;
According to formula
Obtain the key element extent of damage quantized value of destination device;
Wherein, I
kKey element loss quantized value for destination device; POF
kKey element loss probability value for destination device; K is the grade kind of key element loss; N is the loss of assets factor type;
According to formula
Obtain the loss of assets degree quantized value of destination device; Wherein, W
nBe n the weight that the loss of assets key element is corresponding; F is the loss of assets degree quantized value of destination device.
In above embodiment, alarm comprises audio alert, and/or light warning, and/or the pop-up window prompting.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a power equipment safety detection method, is characterized in that, comprises step:
Quantized the quantity of state of the power equipment of criterion and Real-time Obtaining by predetermined state, determine the failure rate of purpose power equipment;
By pre-stored equipment account information and predetermined asset of equipments quantization table, obtain the Equity quantification value of purpose power equipment;
By pre-stored equipment failure data and predetermined asset of equipments loss quantization table, obtain the loss of assets degree quantized value of destination device;
The Equity quantification of described destination device is on duty in the loss of assets degree quantized value of described destination device, then take advantage of in described failure rate, the value-at-risk of described destination device obtained;
According to described value-at-risk and the alarming threshold value comparative result of being scheduled to, send corresponding alarm.
2. power equipment safety detection method according to claim 1, is characterized in that,
The described quantity of state that is quantized the power equipment of criterion and Real-time Obtaining by predetermined state, determine that the step of the failure rate of purpose power equipment comprises:
Obtain the real-time status amount of purpose power equipment;
Described real-time status amount and described predetermined state are quantized comparison between the standards, obtain the degradation level of described destination device;
According to degradation level and the weights corresponding to each degradation level of described destination device, obtain the state score of described destination device;
With described state score and predetermined equipment failure level thresholds comparison, obtain the fault rank of described destination device;
According to predetermined equipment failure rank table corresponding to the equipment failure rate, obtain the failure rate of described destination device.
3. power equipment safety detection method according to claim 1, is characterized in that,
Described by pre-stored equipment account information and predetermined asset of equipments quantization table, the step that obtains the Equity quantification value of purpose power equipment comprises:
From described pre-stored equipment account information, obtain the value of destination device;
The value ratio of described destination device to described predetermined asset of equipments quantization table, is obtained the Equity quantification value of purpose power equipment.
4. power equipment safety detection method according to claim 1, is characterized in that,
Described by pre-stored equipment failure data and predetermined asset of equipments loss quantization table, the step that obtains the loss of assets degree quantized value of destination device comprises:
From described pre-stored equipment failure data, obtain the loss of assets key element of described destination device, the grade of each key element loss and the loss probability of loss of assets key element;
Described predetermined asset of equipments loss quantization table comprises: the loss of assets key element quantization table of equipment and the loss probability table of loss of assets key element;
According to the loss of assets key element quantization table of described equipment and the grade of described each key element loss, obtain the key element loss quantized value of described destination device;
According to the loss probability table of described loss of assets key element and the grade of described each key element loss, obtain the key element loss probability value of described destination device;
According to formula
Obtain the key element extent of damage quantized value of destination device;
Wherein, described I
kKey element loss quantized value for described destination device; POF
kKey element loss probability value for described destination device; K is the grade kind of key element loss; N is the loss of assets factor type;
According to formula
Obtain the loss of assets degree quantized value of destination device; Wherein, W
nBe n the weight that the loss of assets key element is corresponding; F is the loss of assets degree quantized value of described destination device.
5. the described power equipment safety detection method of according to claim 1 to 4 any one, is characterized in that,
Described alarm comprises audio alert, and/or light warning, and/or the pop-up window prompting.
6. a power equipment safety pick-up unit, is characterized in that, comprising:
The first acquiring unit is used for the quantity of state by the power equipment of predetermined state quantification criterion and Real-time Obtaining, determines the failure rate of purpose power equipment;
Second acquisition unit is used for obtaining the Equity quantification value of purpose power equipment by pre-stored equipment account information and predetermined asset of equipments quantization table;
The 3rd acquiring unit is used for obtaining the loss of assets degree quantized value of destination device by pre-stored equipment failure data and predetermined asset of equipments loss quantization table;
The 4th acquiring unit for the Equity quantification of described destination device is on duty in the loss of assets degree quantized value of described destination device, then is taken advantage of in described failure rate, obtains the value-at-risk of described destination device;
Alarm unit is used for sending corresponding alarm according to described value-at-risk and the alarming threshold value comparative result of being scheduled to.
7. power equipment safety pick-up unit according to claim 6, is characterized in that,
Described the first acquiring unit obtains the real-time status amount of purpose power equipment;
Described real-time status amount and described predetermined state are quantized comparison between the standards, obtain the degradation level of described destination device;
According to degradation level and the weights corresponding to each degradation level of described destination device, obtain the state score of described destination device;
With described state score and predetermined equipment failure level thresholds comparison, obtain the fault rank of described destination device;
According to predetermined equipment failure rank table corresponding to the equipment failure rate, obtain the failure rate of described destination device.
8. power equipment safety pick-up unit according to claim 6, is characterized in that,
Described second acquisition unit obtains the value of destination device from described pre-stored equipment account information;
The value ratio of described destination device to described predetermined asset of equipments quantization table, is obtained the Equity quantification value of purpose power equipment.
9. power equipment safety pick-up unit according to claim 6, is characterized in that,
Described the 3rd acquiring unit obtains the loss of assets key element of described destination device, the grade of each key element loss and the loss probability of loss of assets key element from described pre-stored equipment failure data;
Described predetermined asset of equipments loss quantization table comprises: the loss of assets key element quantization table of equipment and the loss probability table of loss of assets key element;
According to the loss of assets key element quantization table of described equipment and the grade of described each key element loss, obtain the key element loss quantized value of described destination device;
According to the loss probability table of described loss of assets key element and the grade of described each key element loss, obtain the key element loss probability value of described destination device;
According to formula
Obtain the key element extent of damage quantized value of destination device;
Wherein, described I
kKey element loss quantized value for described destination device; POF
kKey element loss probability value for described destination device; K is the grade kind of key element loss; N is the loss of assets factor type;
According to formula
Obtain the loss of assets degree quantized value of destination device; Wherein, W
nBe n the weight that the loss of assets key element is corresponding; F is the loss of assets degree quantized value of described destination device.
10. the described power equipment safety pick-up unit of according to claim 6 to 9 any one, is characterized in that,
Described alarm comprises audio alert, and/or light warning, and/or the pop-up window prompting.
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