CN115855658A - Performance evaluation system applied to hydraulic brake hose product - Google Patents
Performance evaluation system applied to hydraulic brake hose product Download PDFInfo
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Abstract
The invention discloses a product performance evaluation system applied to a hydraulic brake hose, belonging to the technical field of quality detection; the product state of the hydraulic brake hose product is monitored and analyzed from the outside, whether subsequent performance evaluation is implemented or not is determined according to the monitoring and analyzing result, abnormality can be found and processed in time, and the overall effect of pretreatment in the early stage of performance evaluation is effectively improved; the deformation resistance performance of the hydraulic brake hose product is evaluated, various data in the implementation process are integrated to obtain corresponding recovery degree, and the deformation resistance of the hydraulic brake hose product is analyzed and judged to be normal or not and the normal level on the basis of the recovery degree, so that more accurate analysis and evaluation can be implemented; the method is used for solving the technical problem that the overall effect of the performance evaluation of the hydraulic brake hose product in the existing scheme is poor.
Description
Technical Field
The invention relates to the technical field of quality detection, in particular to a product performance evaluation system applied to a hydraulic brake hose.
Background
The hydraulic brake hose is commonly called as a brake pipe, is a part used in a brake system, and mainly has the main function of transferring brake fluid to ensure that the brake force is transferred to an automobile brake shoe or a brake caliper to generate brake force, so that the brake is effective at any time; the current national standard for testing automobile brake hoses in China is GB16897-2010 structure, performance requirements and test method of brake hoses, and the structure, performance requirements, test method and identification rules of brake hoses (hydraulic, pneumatic and vacuum brake hoses), brake hose joints and brake hose assemblies for automobiles (including motorcycles) and trailers are specified.
The existing hydraulic brake hose product performance evaluation scheme has certain defects in implementation, external evaluation is not carried out on the hydraulic brake hose product from the outside in the early period, so that dynamic management can be carried out on subsequent performance evaluation, and more precise and comprehensive evaluation on the deformation resistance performance of the product is not carried out, so that the overall effect of the hydraulic brake hose product performance evaluation is poor.
Disclosure of Invention
The invention aims to provide a product performance evaluation system applied to a hydraulic brake hose, which is used for solving the technical problem of poor overall effect of the product performance evaluation of the hydraulic brake hose in the existing scheme.
The purpose of the invention can be realized by the following technical scheme:
be applied to hydraulic brake hose product performance evaluation system, include:
the external evaluation module is used for acquiring basic parameters of a hydraulic brake hose product and performing external evaluation to dynamically manage subsequent performance evaluation; the method comprises the following steps:
the method comprises the following steps of obtaining the thickness and the inner diameter of a hydraulic brake hose product and respectively matching with a preset standard thickness range and a preset standard inner diameter range;
if the thickness belongs to the standard thickness range and the inner diameter belongs to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is normal and generating a first external estimation signal;
if the thickness does not belong to the standard thickness range or the inner diameter does not belong to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is abnormal, generating a second external estimation signal, and associating the corresponding hydraulic brake hose product with an external abnormal label according to the second external estimation signal;
the first external estimation signal, the second external estimation signal and the associated external abnormal tag form external estimation data and upload the external estimation data to a cloud platform and a database, the internal state estimation of the subsequent hydraulic brake hose product is carried out according to the first external estimation signal in the external estimation data, and the internal state estimation of the subsequent hydraulic brake hose product is stopped according to the second external estimation signal in the external estimation data and an alarm prompt is given;
the internal evaluation module is used for evaluating the internal state of the hydraulic brake hose product; longitudinally placing a hydraulic brake hose product on a pressurizing device and carrying out deformation resistance performance evaluation to obtain internal evaluation data comprising a first internal evaluation signal, a second internal evaluation signal, a third internal evaluation signal and an internal abnormal label;
and the evaluation prompting module is used for adaptively prompting the corresponding performance evaluation result according to different internal estimation signals in the internal evaluation data.
Preferably, the working steps of the internal evaluation module comprise: gradually applying pressure to the hydraulic brake hose product through the pressurizing device until the pressure applied by the pressurizing device reaches a preset maximum pressure;
the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds, the pressure is gradually applied to the hydraulic brake hose product through the pressurizing device again after 10 seconds, until the pressure applied by the pressurizing device reaches the preset maximum pressure again, and the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds;
repeating the above operation N times, where N is a positive integer, standing at a preset evaluation temperature for 60 seconds, and marking the outer diameter of the hydraulic brake hose product during recovery as WNi, i =1,2,3, ·.. 12 every 5 seconds;
monitoring the recovery state of the hydraulic brake hose product, extracting the thickness HD and the inner diameter NJ of the marked brake hose product and the numerical value of the outer diameter WNi obtained by monitoring, and integrating in parallel to obtain the recovery estimation HG of the hydraulic brake hose product; and monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery estimation degree.
Preferably, the recovery estimation HG of the hydraulic brake hose product is obtained through calculation; the calculation formula of the recovery estimation HG is as follows:
in the formula, HD is the thickness of the hydraulic brake hose product before testing, and NJ is the thickness of the hydraulic brake hose product before testing; and alpha is the number of cracks.
Preferably, when monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery degree, matching the recovery degree with a preset recovery threshold value;
if the recovery estimation degree is equal to the recovery estimation threshold value, acquiring the monitoring time corresponding to the recovered outer diameter of the hydraulic brake hose product at the moment and matching the monitoring time with the corresponding standard recovery time;
if the monitoring duration is not greater than the standard recovery duration, judging that the deformation resistance of the hydraulic brake hose product is excellent and generating a first internal estimation signal;
if the monitoring time length is longer than the standard recovery time length, judging that the deformation resistance of the hydraulic brake hose product is qualified and generating a second internal estimation signal;
if the recovery estimation degree is not equal to the recovery estimation threshold value, judging that the deformation resistance of the hydraulic brake hose product is unqualified and generating a third internal estimation signal, and associating the corresponding hydraulic brake hose product with an internal abnormal label according to the third internal estimation signal;
the first internal estimation signal, the second internal estimation signal, the third internal estimation signal and the internal abnormal tag form internal estimation data and upload the internal estimation data to the cloud platform and the database.
Preferably, the system further comprises an evaluation integration module for integrally evaluating the production state of the batch of sampled hydraulic brake hose products according to the external evaluation data and the internal evaluation data.
Preferably, the working step of evaluating the integration module comprises:
acquiring external evaluation data and internal evaluation data, traversing, counting the total number of external different tags and internal different tags in a traversal result, and marking the total number as a first abnormal total YY and a second abnormal total EY respectively; counting the total number of the spot checks of the hydraulic brake hose products detected in the batch by spot check and marking the total number as CZ;
and extracting numerical values of the marked first abnormal total YY, the marked second abnormal total EY and the marked spot check total CZ, and integrating the numerical values to obtain the corresponding production state estimation SZD of the batch of hydraulic brake hose products detected in a sampling manner.
Preferably, the calculation formula of the production state estimation value SZD is:
in the formula, g1 and g2 are preset proportionality coefficients which are both larger than zero, and g1 is larger than g2;
and when the production state of the hydraulic brake hose products sampled and detected in the batch is integrally evaluated according to the production state evaluation degree, the production state evaluation degree is matched and analyzed with a preset production state evaluation threshold value to obtain production evaluation data containing a positive signal, a light signal and a middle signal.
Preferably, a production-positive signal is generated if the production-state estimate is less than the production-state estimate threshold;
if the production state estimation degree is not less than the production state estimation threshold and is less than Y% of the production state estimation threshold, Y is a real number greater than one hundred, generating a light production signal;
if the production shape estimation degree is not less than Y% of the production shape estimation threshold value, generating a production signal;
and the production state estimation degree and the corresponding positive production signals, light production signals and in-production signals form production estimation data and are uploaded to a cloud platform and a database.
Preferably, the dynamic alarm prompt is carried out on the production of the hydraulic brake hose product in a self-adaptive mode according to different signals in the production evaluation data.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the product state of the hydraulic brake hose product is monitored and analyzed from the outside, whether subsequent performance evaluation is implemented or not is determined according to the monitoring and analyzing result, the abnormality can be found and processed in time, and the overall effect of pretreatment at the early stage of performance evaluation is effectively improved.
2. The method and the device have the advantages that the deformation resistance performance of the hydraulic brake hose product is evaluated, various data in the implementation process are integrated to obtain the corresponding recovery degree, the deformation resistance of the hydraulic brake hose product is analyzed and judged to be normal or normal and the normal grade is judged on the basis of the recovery degree, so that more accurate analysis and evaluation can be implemented, and compared with the scheme that whether the hydraulic brake hose product is normal or not is detected only through experiments in the existing scheme, the method and the device can achieve more efficient and fine detection and evaluation.
3. According to the invention, the detection results in different aspects are integrated to obtain the production state estimation degree, the production state of the hydraulic brake hose products sampled and detected in the batch is subjected to matching analysis based on the production state estimation degree, dynamic alarm prompt can be implemented in a self-adaptive manner according to the matching analysis result, the production of the subsequent hydraulic brake hose products can be controlled and adjusted in a targeted manner, and the overall effect of the performance estimation management of the hydraulic brake hose products can be effectively improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a block diagram of a hydraulic brake hose product performance evaluation system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, the system for evaluating the product performance of the hydraulic brake hose comprises an external evaluation module, an internal evaluation module, an evaluation prompt module, a cloud platform and a database;
the external evaluation module is used for acquiring basic parameters of a hydraulic brake hose product and performing external evaluation to dynamically manage subsequent performance evaluation; the method comprises the following steps:
the method comprises the following steps of obtaining the thickness and the inner diameter of a hydraulic brake hose product and respectively matching with a preset standard thickness range and a preset standard inner diameter range;
if the thickness belongs to the standard thickness range and the inner diameter belongs to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is normal and generating a first external estimation signal;
if the thickness does not belong to the standard thickness range or the inner diameter does not belong to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is abnormal, generating a second external estimation signal, and associating the corresponding hydraulic brake hose product with an external abnormal label according to the second external estimation signal;
the first external estimation signal, the second external estimation signal and the associated external abnormal tag form external estimation data and upload the external estimation data to a cloud platform and a database, the internal state estimation of the subsequent hydraulic brake hose product is carried out according to the first external estimation signal in the external estimation data, and the internal state estimation of the subsequent hydraulic brake hose product is stopped according to the second external estimation signal in the external estimation data and an alarm prompt is given;
in the embodiment of the invention, the performance of the hydraulic brake hose product is directly tested and evaluated, which is different from the prior scheme, the product state of the hydraulic brake hose product is monitored and analyzed from the outside, whether to implement subsequent performance evaluation is determined according to the monitoring and analyzing result, the abnormity can be found and processed in time, and the overall effect of pretreatment at the early stage of performance evaluation is effectively improved;
the internal evaluation module is used for evaluating the internal state of the hydraulic brake hose product; the method comprises the following steps:
longitudinally placing the hydraulic brake hose product on a pressurizing device and carrying out deformation resistance performance evaluation;
gradually applying pressure to the hydraulic brake hose product through the pressurizing device until the pressure applied by the pressurizing device reaches a preset maximum pressure; the pressurizing device and the maximum pressure are conventional equipment and conventional data;
the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds, the pressure is gradually applied to the hydraulic brake hose product through the pressurizing device again after 10 seconds, until the pressure applied by the pressurizing device reaches the preset maximum pressure again, and the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds;
after repeating the above operation N times, where N is a positive integer, and may be a value of 4, placing the tube at a preset evaluation temperature for 60 seconds, where the evaluation temperature may also be implemented based on the temperature in the existing performance evaluation scheme, and marking the outer diameter of the hydraulic brake hose product during the recovery process as WNi, i =1,2,3 every 5 seconds;
monitoring the recovery state of the hydraulic brake hose product, extracting the thickness HD and the inner diameter NJ of the marked brake hose product and the numerical value of the outer diameter WNi obtained by monitoring, integrating in parallel, and obtaining the recovery estimation HG of the hydraulic brake hose product through calculation; the calculation formula of the recovery estimation HG is as follows:
in the formula, HD is the thickness of the hydraulic brake hose product before testing, and NJ is the thickness of the hydraulic brake hose product before testing; alpha is the number of cracks;
the recovery degree is a numerical value for integrally evaluating the deformation resistance of the hydraulic brake hose product by integrating various data when the deformation resistance performance of the hydraulic brake hose product is evaluated; monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery estimation degree; repeating the operation for N times in formula calculation can affect the test result, so that the operation times are combined to improve the accuracy of calculation and analysis;
when monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery degree, matching the recovery degree with a preset recovery threshold value;
if the recovery estimation degree is equal to the recovery estimation threshold value, acquiring the monitoring time corresponding to the recovered outer diameter of the hydraulic brake hose product at the moment and matching the monitoring time with the corresponding standard recovery time;
if the monitoring duration is not longer than the standard recovery duration, judging that the deformation resistance of the hydraulic brake hose product is excellent and generating a first internal estimation signal;
if the monitoring duration is longer than the standard recovery duration, judging that the deformation resistance of the hydraulic brake hose product is qualified and generating a second internal estimation signal;
if the recovery estimation degree is not equal to the recovery estimation threshold value, judging that the deformation resistance of the hydraulic brake hose product is unqualified and generating a third internal estimation signal, and associating the corresponding hydraulic brake hose product with an internal abnormal label according to the third internal estimation signal;
restoring the estimation degree, and forming internal estimation data by the corresponding first internal estimation signal, the second internal estimation signal, the third internal estimation signal and the internal abnormal tag, and uploading the internal estimation data to a cloud platform and a database;
in the embodiment of the invention, the deformation resistance performance of the hydraulic brake hose product is evaluated, various data in the implementation process are integrated to obtain the corresponding recovery evaluation degree, and the deformation resistance of the hydraulic brake hose product is analyzed and judged to be normal and normal level based on the recovery evaluation degree, so that more accurate analysis and evaluation can be implemented.
And the evaluation prompting module is used for adaptively prompting the corresponding performance evaluation result according to different internal estimation signals in the internal evaluation data.
Example two
On the basis of the first embodiment, the method further comprises the following steps:
the evaluation integration module is used for integrally evaluating the production state of the hydraulic brake hose products sampled and detected in the batch according to the external evaluation data and the internal evaluation data; the method comprises the following steps:
acquiring external evaluation data and internal evaluation data, traversing, counting the total number of external different tags and internal different tags in a traversal result, and marking the total number as a first abnormal total YY and a second abnormal total EY respectively; counting the total number of the spot checks of the hydraulic brake hose products detected in the batch by spot check and marking the total number as CZ;
extracting numerical values of the marked first abnormal total YY, the marked second abnormal total EY and the marked spot check total CZ, integrating in parallel, and calculating to obtain a production state estimation SZD corresponding to the batch of hydraulic brake hose products detected in a sampling manner; the calculation formula of the production state estimation SZD is as follows:
in the formula, g1 and g2 are preset proportionality coefficients both greater than zero, g1 is greater than g2, g1 can be 2.341, and g2 can be 4.612;
the production state estimation degree is a numerical value for integrally estimating the production state of the spot check by simultaneously integrating the external detection result and the internal detection result of the hydraulic brake hose product of the spot check; the larger the estimated degree of the production state is, the worse the production state of the hydraulic brake hose product detected by sampling corresponding batches is;
it should be noted that, in the embodiment of the present invention, the production state of the batch is evaluated only based on the external aspect and the deformation resistance performance of the hydraulic brake hose product, and actually, the air tightness result, the length change result, the burst strength result, the tensile strength result and the heat resistance result detected and obtained in the existing performance evaluation scheme can be simultaneously integrated and a more comprehensive production state evaluation can be performed on the basis of the embodiment of the present invention;
when the production state of the hydraulic brake hose products sampled and detected in the batch is integrally evaluated according to the production state estimation degree, performing matching analysis on the production state estimation degree and a preset production state estimation threshold value;
if the production state estimation degree is smaller than the production state estimation threshold value, judging that the production state of the hydraulic brake hose product sampled and detected in the batch is normal and generating a positive signal;
if the production state estimation degree is not smaller than the production state estimation threshold value and is smaller than Y% of the production state estimation threshold value, Y is a real number larger than one hundred, the production state of the hydraulic brake hose product sampled and detected in the batch is judged to be slightly abnormal, and a light signal is generated;
if the production state estimation degree is not smaller than Y% of the production state estimation threshold value, judging that the production state of the hydraulic brake hose product sampled and detected in the batch is moderate and abnormal and generating a production signal;
the production state estimation degree and the corresponding positive production signals, light production signals and in-production signals form production evaluation data and are uploaded to a cloud platform and a database, and dynamic warning prompt is carried out on the production of the hydraulic brake hose product in a self-adaptive mode according to different signals in the production evaluation data;
in the embodiment of the invention, the detection results in different aspects are integrated to obtain the production state estimation degree, the production state of the hydraulic brake hose products sampled and detected in the batch is subjected to matching analysis based on the production state estimation degree, the dynamic alarm prompt can be adaptively implemented according to the matching analysis result, the production of the subsequent hydraulic brake hose products can be controlled and adjusted in a targeted manner, and the overall effect of the performance evaluation management of the hydraulic brake hose products can be effectively improved.
It should be noted that the formulas mentioned above are all calculated by removing dimensions and taking values thereof, and are one formula that is obtained by collecting a large amount of data and performing software simulation to obtain the closest real situation, and the proportionality coefficient in the formula and each preset threshold in the analysis process are set by those skilled in the art according to the actual situation or obtained by simulating a large amount of data.
In the embodiments provided in the present invention, it should be understood that the disclosed system may be implemented in other ways. For example, the above-described embodiments of the invention are merely illustrative, and for example, a module may be divided into only one logic function, and another division may be implemented in practice.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a mode of hardware and a software functional module.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the essential attributes thereof.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. Be applied to hydraulic brake hose product performance evaluation system, characterized by includes:
the external evaluation module is used for acquiring basic parameters of a hydraulic brake hose product and performing external evaluation to dynamically manage subsequent performance evaluation; the method comprises the following steps:
the method comprises the following steps of obtaining the thickness and the inner diameter of a hydraulic brake hose product and respectively matching with a preset standard thickness range and a preset standard inner diameter range;
if the thickness belongs to the standard thickness range and the inner diameter belongs to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is normal and generating a first external estimation signal;
if the thickness does not belong to the standard thickness range or the inner diameter does not belong to the standard inner diameter range, judging that the external state of the hydraulic brake hose product is abnormal, generating a second external estimation signal, and associating the corresponding hydraulic brake hose product with an external abnormal label according to the second external estimation signal;
the first external estimation signal, the second external estimation signal and the associated external abnormal tag form external estimation data and upload the external estimation data to a cloud platform and a database, the internal state estimation of the subsequent hydraulic brake hose product is carried out according to the first external estimation signal in the external estimation data, and the internal state estimation of the subsequent hydraulic brake hose product is stopped according to the second external estimation signal in the external estimation data and an alarm prompt is given;
the internal evaluation module is used for evaluating the internal state of the hydraulic brake hose product; longitudinally placing a hydraulic brake hose product on a pressurizing device and carrying out deformation resistance performance evaluation to obtain internal evaluation data comprising a first internal evaluation signal, a second internal evaluation signal, a third internal evaluation signal and an internal abnormal label;
and the evaluation prompting module is used for adaptively prompting the corresponding performance evaluation result according to different internal estimation signals in the internal evaluation data.
2. The system for evaluating the performance of a product applied to a hydraulic brake hose product according to claim 1, wherein the internal evaluation module comprises: gradually applying pressure to the hydraulic brake hose product through the pressurizing device until the pressure applied by the pressurizing device reaches a preset maximum pressure;
the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds, the pressure is gradually applied to the hydraulic brake hose product through the pressurizing device again after 10 seconds, until the pressure applied by the pressurizing device reaches the preset maximum pressure again, and the load is unloaded after the compression state of the maximum pressure is kept for 5 seconds;
repeating the above operation N times, where N is a positive integer, standing at a preset evaluation temperature for 60 seconds, and marking the outer diameter of the hydraulic brake hose product during recovery as WNi, i =1,2,3, ·.. 12 every 5 seconds;
monitoring the recovery state of the hydraulic brake hose product, extracting the thickness HD and the inner diameter NJ of the marked brake hose product and the numerical value of the outer diameter WNi obtained by monitoring, and integrating in parallel to obtain the recovery estimation HG of the hydraulic brake hose product; and monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery estimation degree.
3. The system for evaluating the performance of the hydraulic brake hose product according to claim 2, wherein the recovery estimation HG of the hydraulic brake hose product is obtained by calculation; the calculation formula of the recovery estimation HG is as follows:
in the formula, HD is the thickness of the hydraulic brake hose product before testing, and NJ is the thickness of the hydraulic brake hose product before testing; and alpha is the number of cracks.
4. The system for evaluating the performance of the hydraulic brake hose product according to claim 2, wherein when monitoring and analyzing the recovery state of the hydraulic brake hose product according to the recovery degree, the recovery degree is matched with a preset recovery threshold value;
if the recovery estimation degree is equal to the recovery estimation threshold value, acquiring the monitoring time length corresponding to the outer diameter of the recovered hydraulic brake hose product at the moment and matching the monitoring time length with the corresponding standard recovery time length;
if the monitoring duration is not greater than the standard recovery duration, judging that the deformation resistance of the hydraulic brake hose product is excellent and generating a first internal estimation signal;
if the monitoring duration is longer than the standard recovery duration, judging that the deformation resistance of the hydraulic brake hose product is qualified and generating a second internal estimation signal;
if the recovery estimation degree is not equal to the recovery estimation threshold value, judging that the deformation resistance of the hydraulic brake hose product is unqualified and generating a third internal estimation signal, and associating the corresponding hydraulic brake hose product with an internal abnormal label according to the third internal estimation signal;
the first internal estimation signal, the second internal estimation signal, the third internal estimation signal and the internal abnormal tag form internal estimation data and upload the internal estimation data to the cloud platform and the database.
5. The system for evaluating the performance of the hydraulic brake hose product according to claim 1, further comprising an evaluation integration module for performing an overall evaluation on the production status of the batch of sampled hydraulic brake hose products according to the external evaluation data and the internal evaluation data.
6. The system for evaluating the performance of a hydraulic brake hose product according to claim 5, wherein the step of evaluating the integration module comprises:
acquiring external evaluation data and internal evaluation data, traversing, counting the total number of external different tags and internal different tags in a traversal result, and marking the total number as a first abnormal total YY and a second abnormal total EY respectively; counting the total number of the spot checks of the hydraulic brake hose products detected in the batch by spot check and marking the total number as CZ;
and extracting numerical values of the marked first abnormal total YY, the marked second abnormal total EY and the marked spot check total CZ, and integrating the numerical values to obtain the corresponding production state estimation SZD of the batch of hydraulic brake hose products detected in a sampling manner.
7. The system for evaluating the product performance of the hydraulic brake hose according to claim 6, wherein the calculation formula of the production-state estimation SZD is as follows:
in the formula, g1 and g2 are preset proportionality coefficients which are both larger than zero, and g1 is larger than g2;
and when the production state of the hydraulic brake hose products sampled and detected in the batch is integrally evaluated according to the production state estimation degree, performing matching analysis on the production state estimation degree and a preset production state estimation threshold value to obtain production evaluation data comprising a positive signal, a light signal and a medium signal.
8. The system for evaluating the product performance of the hydraulic brake hose product according to claim 7, wherein if the production state estimation degree is smaller than the production state estimation threshold value, a positive signal is generated;
if the production state estimation degree is not less than the production state estimation threshold and is less than Y% of the production state estimation threshold, Y is a real number greater than one hundred, generating a light production signal;
if the production shape estimation degree is not less than Y% of the production shape estimation threshold value, generating a production middle signal;
the production state estimation degree and the corresponding positive generation signal, light generation signal and middle generation signal form production evaluation data and are uploaded to a cloud platform and a database.
9. The system for evaluating the performance of the hydraulic brake hose product according to claim 8, wherein the dynamic warning prompt is adaptively performed on the production of the hydraulic brake hose product according to different signals in the production evaluation data.
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