CN102608426A - Master controller and method applied to automatically detecting abnormal state of wrist strap - Google Patents
Master controller and method applied to automatically detecting abnormal state of wrist strap Download PDFInfo
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Abstract
The invention relates to a master controller applied to automatically detecting the abnormal state of an automatic resistance measuring wrist strap. The master controller comprises a control module, a self-learning function module, an alarm module and a wireless signal transmitting-receiving module, wherein the wireless signal transmitting-receiving module is wirelessly connected with an automatic external resistance measuring wrist strap, and the control module is connected with the self-learning function module, the alarm module and the wireless signal transmitting-receiving module respectively. The invention also provides a method for utilizing the master controller to realize the automatic detection of the abnormal state of the automatic external resistance measuring wrist strap. The method comprises the following steps: in the initialization of the master controller, obtaining and storing the judging information of the abnormal state through the self-learning function module, then obtaining the resistance value of the automatic external resistance measuring wrist strap by the control module regularly or according to a control command, and judging the state of the wrist strap according the data stored by the self-learning function module, and if the wrist strap is in the abnormal state, sending out the alarm indicating the abnormal state. The invention provides the method for automatically detecting the abnormal state of the automatic external resistance measuring wrist strap, which is high in accuracy, strong is reliability and can not be damaged easily.
Description
Technical field
The present invention relates to the automatic checkout equipment technical field, particularly have the automatic checkout equipment technical field of status monitoring function, be meant that specifically a kind of resistance that is applied to detects main control computer and automatic testing method automatically from the ERST of measuring wrist strap.
Background technology
Wrist strap is that a kind of common being used for is worn on the parts on the human wrist with device.Wrist-watch, passometer, portable heart rate monitor or the like all can be used wrist strap as fixed part.In addition, also exist the convict who is kept an eye on to wear the required wrist straps of using such as fetters and identification sign.
No matter in which kind of above-mentioned application, people hope that wrist strap can be fixed, difficult drop-off.Under the situation that accident comes off, then hope to obtain the relevant prompting that wrist strap comes off, in time fix.Therefore; The same method of device that has multiple detection wrist strap whether to come off in the prior art; Wherein common method is; Adopt physical mediums such as pressure, magnetic force, plain conductor, whether the on off operating mode of the electronic loop that wrist strap is constituted under situation about normally wearing detects, differentiate wrist strap according to this and come off.But the reliability of such detection method is relatively poor, is easy to because situation such as bypass connection or short circuit produce false judgment.Particularly under situation about being sabotaged, the pick-up unit of this type of wrist strap can be destroyed easily, and security performance is relatively poor, is not suitable for especially being guarded prisoners wearing on the wrist strap of fetters and identification sign.
In order to overcome above-mentioned technical difficulty, also there is the wrist strap of judging based on the realization state of resistance detection in the prior art, it is not subject to destruction.But its shortcoming is that owing to reasons such as manufacturing process, the resistance value of each wrist strap is different certainly, and the resistance value of a wrist strap in varying environment also possibly change to some extent, and therefore, the accuracy of carrying out the state judgement based on resistance value is relatively poor, is easy to generate wrong report.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art; A kind of accuracy good is provided, and reliability is high, and security performance is preferable; And it is simple in structure; Implementation is easy, and application cost is cheap, and range of application comparatively is widely used in resistance and detects main control computer and automatic testing method automatically from the ERST of measuring wrist strap.
In order to realize above-mentioned purpose, the resistance that is applied to of the present invention detects main control computer automatically from the ERST of measuring wrist strap and has following formation:
This ERST detects main control computer automatically and comprises control module, self-learning function module, alarm module and wireless signal transceiver module, and described wireless signal transceiver module connects external resistance values from measuring wrist strap through wireless signal; Described control module connects described self-learning function module, alarm module and wireless signal transceiver module respectively; Be used for judging external resistance values from the state of measuring wrist strap from the resistance value of measuring wrist strap, and report to the police according to the described alarm module of said State Control according to the external resistance values that is obtained; Described self-learning function module is carried out its initial resistivity value of initialization detection acquisition in order in initialization procedure, to control described external resistance values through described main control unit from measuring wrist strap, and the described external resistance values of storage foundation is from the definite ERST judgement information of the initial resistivity value of measuring wrist strap.
This is applied to resistance and detects in the main control computer automatically from the ERST of measuring wrist strap; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error proportional range of permission; Described computing unit possesses the threshold calculations function; Calculate external resistance values from measuring wrist strap normal condition resistance upper lower limit value through obtain external resistance values from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, whether surpass described resistance upper lower limit value to judge the resistance value in the use that obtains through the wireless signal transceiver module.
This is applied to resistance and detects in the main control computer automatically from the ERST of measuring wrist strap; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission; Described computing unit possesses calculation function; Through obtaining external resistance values from described self-learning function module, whether exceed the resistance error absolute value of described permission to judge resistance value and the error of described external resistance values between the initial resistivity value of measuring wrist strap in the use that obtains through the wireless signal transceiver module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission.
The present invention also provides a kind of and utilizes described main control computer to realize external resistance values from measuring the method that the wrist strap ERST detects automatically, and this method may further comprise the steps:
(1) described ERST detects main control computer automatically and carries out initialization, and described control module is controlled described self-learning function module and carried out initializing set, and the described ERST of self-learning function module stores is judged information;
(2) said external resistance values regularly or according to ERST detects the command detection resistance value of main control computer automatically from measuring wrist strap, again testing result is sent to the wireless signal transceiver module that described ERST detects main control computer automatically;
(3) the described ERST control module that detects main control computer automatically is according to ERST judgement information that reads from described self-learning function module and the current resistance value that obtains from described wireless signal transceiver module; Judge whether described external resistance values is normal condition from measuring wrist strap; If; Then return above-mentioned steps (2), if not, then get into step (4);
(4) described control module is controlled described alarm module and is sent external resistance values from measuring the undesired information of wrist strap state.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(111) described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(112) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(113) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(114) described this external resistance values of self-learning function module stores is measured the initial resistivity value of wrist strap certainly, and measures the normal resistance values of wrist strap certainly as external resistance values.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described computing unit is the threshold calculations unit; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: the threshold calculations unit calculates external resistance values from the resistance upper lower limit value of measuring the wrist strap normal condition through the external resistance values of obtaining from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, and judges whether the resistance value that obtains through the wireless signal transceiver module surpasses described resistance upper lower limit value.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(121) described control module sends the resistance error absolute value of initializing set instruction and permission to described self-learning function module;
(122) the resistance error absolute value of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to said external resistance values and send the detection resistance value instruction;
(123) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(124) described this initial resistivity value of self-learning function module stores, and as external resistance values from measuring the normal resistance values of wrist strap.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described computing unit is an arithmetic element; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: arithmetic element is obtained external resistance values from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission from described self-learning function module, and oneself measures difference between the initial resistivity value of wrist strap whether greater than the resistance error absolute value of described permission to judge the resistance value that obtains through the wireless signal transceiver module and described external resistance values.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(141) control module of described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(142) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(143) described external resistance values detects initial resistivity value, and testing result is back to the computing unit of described control module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(144) the resistance error proportional range of the described computing unit permission of reading according to the initial resistivity value that receives with from described self-learning function module calculates the upper lower limit value of the resistance that obtains allowing;
(145) described computing unit deposits the upper lower limit value data of the resistance of described permission in described self-learning function module.
This realization external resistance values is from measuring in the automatic method that detects of wrist strap ERST; Described computing unit is a comparing unit; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: described comparing unit obtains the upper lower limit value of the resistance of described permission from described self-learning function module, judges that the resistance value that obtains through the wireless signal transceiver module is whether in the scope of described upper lower limit value.
Adopt the resistance that is applied to of the present invention to detect main control computer automatically from the ERST of measuring wrist strap; It comprises control module, self-learning function module, alarm module and wireless signal transceiver module; Described wireless signal transceiver module connects said external resistance values from measuring wrist strap through wireless signal, and described control module connects described self-learning function module, alarm module and wireless signal transceiver module respectively.The present invention also provides a kind of and utilizes described main control computer to realize that external resistance values is from measuring the method that the wrist strap ERST detects automatically; Wherein, Automatically detect main control computer in initialization procedure in ERST; Main control computer obtains external resistance values and measures the wrist strap initial resistivity value certainly, and will judge that information stores is in described self-learning function module based on the ERST of this initial resistivity value; Then, external resistance values begins to detect the command detection resistance value of main control computer automatically regularly or according to ERST from measuring wrist strap, and testing result is sent to this ERST as current resistance value detects main control computer automatically; Control module obtains this current resistance value, and according to the ERST that reads from the self-learning function module judge information judge described external resistance values oneself whether measure wrist strap be normal condition; If abnomal condition; Then the control module control warning module is sent external resistance values and is measured the undesired information of wrist strap state certainly, thereby provides a kind of accuracy high, good reliability; Be difficult for being destroyed, the preferable external resistance values of security performance is measured the method that the wrist strap ERST detects automatically certainly.And this is applied to resistance and detects main control computer and automatic testing method automatically from the ERST of measuring wrist strap, its equipment simple in structure, and the implementation of method is easy, and application cost is cheap, and range of application is also comparatively extensive.
Description of drawings
Fig. 1 measures the structural representation that the ERST of wrist strap detects main control computer automatically certainly for the resistance that is applied to of the present invention.
Fig. 2 is the flow chart of steps of realization external resistance values of the present invention from the method for measuring the automatic detection of wrist strap ERST.
Fig. 3 measures the synoptic diagram that the ERST of wrist strap detects the employed structure of main control computer automatically certainly for the resistance that is applied to of the present invention in the practical application.
Embodiment
In order more to be expressly understood technology contents of the present invention, the special following examples of lifting specify.
See also shown in Figure 1ly, be applied to resistance detects main control computer automatically from the ERST of measuring wrist strap structural representation for of the present invention.
In one embodiment, this is applied to resistance and detects main control computer automatically from the ERST of measuring wrist strap and comprise control module, self-learning function module, alarm module and wireless signal transceiver module.Described wireless signal transceiver module connects external resistance values from measuring wrist strap through wireless signal; Described control module connects described self-learning function module, alarm module and wireless signal transceiver module respectively; Be used for judging external resistance values from the state of measuring wrist strap from the resistance value of measuring wrist strap, and report to the police according to the described alarm module of said State Control according to the external resistance values that is obtained; Described self-learning function module is carried out its initial resistivity value of initialization detection acquisition in order in initialization procedure, to control described external resistance values through described main control unit from measuring wrist strap, and the described external resistance values of storage foundation is from the definite ERST judgement information of the initial resistivity value of measuring wrist strap.
Utilize the equipment of this embodiment to realize external resistance values from measuring the method that the wrist strap ERST detects automatically, as shown in Figure 2, may further comprise the steps:
(1) described ERST detects main control computer automatically and carries out initialization, and described control module is controlled described self-learning function module and carried out initializing set, and the described ERST of self-learning function module stores is judged information;
(2) said external resistance values regularly or according to ERST detects the command detection resistance value of main control computer automatically from measuring wrist strap, again testing result is sent to the wireless signal transceiver module that described ERST detects main control computer automatically;
(3) the described ERST control module that detects main control computer automatically is according to ERST judgement information that reads from described self-learning function module and the current resistance value that obtains from described wireless signal transceiver module; Judge whether described external resistance values is normal condition from measuring wrist strap; If; Then return above-mentioned steps (2), if not, then get into step (4);
(4) described control module is controlled described alarm module and is sent external resistance values from measuring the undesired information of wrist strap state.
In a kind of more preferably embodiment; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error proportional range of permission; Described computing unit possesses the threshold calculations function; Calculate external resistance values from measuring wrist strap normal condition resistance upper lower limit value through obtain external resistance values from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, whether surpass described resistance upper lower limit value to judge the resistance value in the use that obtains through the wireless signal transceiver module.
More preferably the realization of the main control computer described in embodiment external resistance values is from measuring in the automatic method that detects of wrist strap ERST utilizing this, and described step (1) specifically may further comprise the steps:
(111) described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(112) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(113) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(114) described this external resistance values of self-learning function module stores is measured the initial resistivity value of wrist strap certainly, and measures the normal resistance values of wrist strap certainly as external resistance values.
And in the described step (3); The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: the threshold calculations unit calculates external resistance values from the resistance upper lower limit value of measuring the wrist strap normal condition through the external resistance values of obtaining from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, and judges whether the resistance value that obtains through the wireless signal transceiver module surpasses described resistance upper lower limit value.
At another kind more preferably in the embodiment; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission; Described computing unit possesses calculation function; Through obtaining external resistance values from described self-learning function module, whether exceed the resistance error absolute value of described permission to judge resistance value and the error of described external resistance values between the initial resistivity value of measuring wrist strap in the use that obtains through the wireless signal transceiver module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission.
More preferably the realization of the main control computer described in embodiment external resistance values is from measuring in the automatic method that detects of wrist strap ERST utilizing this, and described step (1) specifically may further comprise the steps:
(121) described control module sends the resistance error absolute value of initializing set instruction and permission to described self-learning function module;
(122) the resistance error absolute value of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to said external resistance values and send the detection resistance value instruction;
(123) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(124) described this initial resistivity value of self-learning function module stores, and as external resistance values from measuring the normal resistance values of wrist strap.
And in the described step (3); The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: arithmetic element is obtained external resistance values from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission from described self-learning function module, and oneself measures difference between the initial resistivity value of wrist strap whether greater than the resistance error absolute value of described permission to judge the resistance value that obtains through the wireless signal transceiver module and described external resistance values.
More preferably the realization of the main control computer described in embodiment external resistance values is from measuring in the automatic method that detects of wrist strap ERST utilizing this, and described step (1) also can specifically may further comprise the steps:
(141) control module of described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(142) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(143) described external resistance values detects initial resistivity value, and testing result is back to the computing unit of described control module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(144) the resistance error proportional range of the described computing unit permission of reading according to the initial resistivity value that receives with from described self-learning function module calculates the upper lower limit value of the resistance that obtains allowing;
(145) described computing unit deposits the upper lower limit value data of the resistance of described permission in described self-learning function module.
Correspondingly; In the described step (3); The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module; Judge whether described external resistance values is normal condition from measuring wrist strap; Be specially: described comparing unit obtains the upper lower limit value of the resistance of described permission from described self-learning function module, judges that the resistance value that obtains through the wireless signal transceiver module is whether in the scope of described upper lower limit value.
In practical application, as shown in Figure 3 when applying the present invention to the automatic measuring ability of the ERST of wrist strap, comprise following components:
A, has the wrist strap (external resistance values from measure wrist strap) of electric conductivity;
The analog to digital conversion circuit of the parameter when B, detection wrist strap virgin state parameter and wrist strap become flexible fracture;
Be used to the main memory circuit preserving the various state parameters of wrist strap and parameter is set in C, the self-learning function module;
D, arithmetic control circuit;
E, signal circuit;
F, warning circuit.
When using wrist strap of the present invention, the preset t1 behind wrist strap closed (launching) is in the time, and the closed resistance through modulus circuit detection wrist strap is kept at its initial resistivity value in the host computer as the conductive body resistance value of normally wearing state; In the normal use of wrist strap, detect the resistance value of wrist strap and transfer to host computer according to preset time interval T; Host computer calculates wrist strap resistance value and wrist strap initial resistivity value when normal the use, judges the user mode of wrist strap, when wrist strap is in improper state, sends warning, prompting related work personnel.
Adopt the resistance that is applied to of the present invention to detect main control computer automatically from the ERST of measuring wrist strap; It comprises control module, self-learning function module, alarm module and wireless signal transceiver module; Described wireless signal transceiver module connects said external resistance values from measuring wrist strap through wireless signal, and described control module connects described self-learning function module, alarm module and wireless signal transceiver module respectively.The present invention also provides a kind of and utilizes described main control computer to realize that external resistance values is from measuring the method that the wrist strap ERST detects automatically; Wherein, Automatically detect main control computer in initialization procedure in ERST; Main control computer obtains external resistance values and measures the wrist strap initial resistivity value certainly, and will judge that information stores is in described self-learning function module based on the ERST of this initial resistivity value; Then, external resistance values begins to detect the command detection resistance value of main control computer automatically regularly or according to ERST from measuring wrist strap, and testing result is sent to this ERST as current resistance value detects main control computer automatically; Control module obtains this current resistance value, and according to the ERST that reads from the self-learning function module judge information judge described external resistance values oneself whether measure wrist strap be normal condition; If abnomal condition; Then the control module control warning module is sent external resistance values and is measured the undesired information of wrist strap state certainly, thereby provides a kind of accuracy high, good reliability; Be difficult for being destroyed, the preferable external resistance values of security performance is measured the method that the wrist strap ERST detects automatically certainly.And this is applied to resistance and detects main control computer and automatic testing method automatically from the ERST of measuring wrist strap, its equipment simple in structure, and the implementation of method is easy, and application cost is cheap, and range of application is also comparatively extensive.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. one kind is applied to resistance and detects main control computer automatically from the ERST of measuring wrist strap; It is characterized in that; Described ERST detects main control computer automatically and comprises control module, self-learning function module, alarm module and wireless signal transceiver module, and described wireless signal transceiver module connects external resistance values from measuring wrist strap through wireless signal; Described control module connects described self-learning function module, alarm module and wireless signal transceiver module respectively; Be used for judging external resistance values from the state of measuring wrist strap from the resistance value of measuring wrist strap, and report to the police according to the described alarm module of said State Control according to the external resistance values that is obtained; Described self-learning function module is carried out its initial resistivity value of initialization detection acquisition in order in initialization procedure, to control described external resistance values through described main control unit from measuring wrist strap, and the described external resistance values of storage foundation is from the definite ERST judgement information of the initial resistivity value of measuring wrist strap.
2. the resistance that is applied to according to claim 1 detects main control computer automatically from the ERST of measuring wrist strap; It is characterized in that; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error proportional range of permission; Described computing unit possesses the threshold calculations function; Calculate external resistance values from measuring wrist strap normal condition resistance upper lower limit value through obtain external resistance values from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, whether surpass described resistance upper lower limit value to judge the resistance value in the use that obtains through the wireless signal transceiver module.
3. the resistance that is applied to according to claim 1 detects main control computer automatically from the ERST of measuring wrist strap; It is characterized in that; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit; Described ERST judgement information is to be stored in the external resistance values of described self-learning function module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission; Described computing unit possesses calculation function; Through obtaining external resistance values from described self-learning function module, whether exceed the resistance error absolute value of described permission to judge resistance value and the error of described external resistance values between the initial resistivity value of measuring wrist strap in the use that obtains through the wireless signal transceiver module from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission.
4. one kind is utilized the described main control computer of claim 1 to realize that external resistance values from measuring the method that the wrist strap ERST detects automatically, is characterized in that described method may further comprise the steps:
(1) described ERST detects main control computer automatically and carries out initialization, and described control module is controlled described self-learning function module and carried out initializing set, and the described ERST of self-learning function module stores is judged information;
(2) said external resistance values regularly or according to ERST detects the command detection resistance value of main control computer automatically from measuring wrist strap, again with testing result be sent to described ERST detect automatically main control computer the wireless signal transceiver module;
(3) the described ERST control module that detects main control computer automatically is according to ERST judgement information that reads from described self-learning function module and the current resistance value that obtains from described wireless signal transceiver module; Judge whether described external resistance values is normal condition from measuring wrist strap; If; Then return above-mentioned steps (2), if not, then get into step (4);
(4) described control module is controlled described alarm module and is sent external resistance values from measuring the undesired information of wrist strap state.
5. realization external resistance values according to claim 4 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(111) described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(112) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(113) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(114) described this external resistance values of self-learning function module stores is measured the initial resistivity value of wrist strap certainly, and measures the normal resistance values of wrist strap certainly as external resistance values.
6. realization external resistance values according to claim 5 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described computing unit is the threshold calculations unit; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module, judges that whether described external resistance values is normal condition from measuring wrist strap, is specially:
The threshold calculations unit calculates external resistance values from the resistance upper lower limit value of measuring the wrist strap normal condition through the external resistance values of obtaining from described self-learning function module from the resistance error proportional range of the initial resistivity value of measuring wrist strap and permission, and judges whether the resistance value that obtains through the wireless signal transceiver module surpasses described resistance upper lower limit value.
7. realization external resistance values according to claim 4 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(121) described control module sends the resistance error absolute value of initializing set instruction and permission to described self-learning function module;
(122) the resistance error absolute value of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to said external resistance values and send the detection resistance value instruction;
(123) described external resistance values detects initial resistivity value, and testing result is back to described self-learning function module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(124) described this initial resistivity value of self-learning function module stores, and as external resistance values from measuring the normal resistance values of wrist strap.
8. realization external resistance values according to claim 7 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described computing unit is an arithmetic element; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module, judges that whether described external resistance values is normal condition from measuring wrist strap, is specially:
Arithmetic element is obtained external resistance values from measuring the initial resistivity value of wrist strap and the resistance error absolute value of permission from described self-learning function module, and oneself measures difference between the initial resistivity value of wrist strap whether greater than the resistance error absolute value of described permission to judge the resistance value that obtains through the wireless signal transceiver module and described external resistance values.
9. realization external resistance values according to claim 4 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described control module comprises control module and computing unit; Described control module is connected described wireless signal transceiver module and self-learning function module respectively with computing unit, and described step (1) specifically may further comprise the steps:
(141) control module of described control module sends the resistance error proportional range of initializing set instruction and permission to described self-learning function module;
(142) the resistance error proportional range of the described permission of described self-learning function module stores, and measure wrist strap through described control module certainly to described external resistance values and send the detection resistance value instruction;
(143) described external resistance values detects initial resistivity value, and testing result is back to the computing unit of described control module through radio receiving transmitting module after measuring wrist strap and receiving the instruction of described detection resistance value;
(144) the resistance error proportional range of the described computing unit permission of reading according to the initial resistivity value that receives with from described self-learning function module calculates the upper lower limit value of the resistance that obtains allowing;
(145) described computing unit deposits the upper lower limit value data of the resistance of described permission in described self-learning function module.
10. realization external resistance values according to claim 9 is from measuring the method that the wrist strap ERST detects automatically; It is characterized in that; Described computing unit is a comparing unit; The control module that described ERST detects main control computer automatically reaches the current resistance value that obtains from described wireless signal transceiver module according to the ERST judgement information that reads from described self-learning function module, judges that whether described external resistance values is normal condition from measuring wrist strap, is specially:
Described comparing unit obtains the upper lower limit value of the resistance of described permission from described self-learning function module, judges that the resistance value that obtains through the wireless signal transceiver module is whether in the scope of described upper lower limit value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100939203A CN102608426A (en) | 2012-03-31 | 2012-03-31 | Master controller and method applied to automatically detecting abnormal state of wrist strap |
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| CN2012100939203A CN102608426A (en) | 2012-03-31 | 2012-03-31 | Master controller and method applied to automatically detecting abnormal state of wrist strap |
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Cited By (1)
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| CN113406151A (en) * | 2021-06-18 | 2021-09-17 | 秦皇岛开发区前景光电技术有限公司 | Steel strip broken wire detection method and system |
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Application publication date: 20120725 |