CN111816038A - Electric shock simulation system and method for live environment - Google Patents
Electric shock simulation system and method for live environment Download PDFInfo
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Abstract
The application provides an electric shock simulation system and method for a live environment. The electric shock simulation system comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model, the electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, the measuring device comprises a controller and a display, the controller is used for simultaneously collecting the electric potentials of the target non-reference electrodes which are in contact with a preset charged environment, the maximum electrode pair corresponding to the maximum influence voltage value is determined according to collected electric potential data, the maximum current value of the maximum electrode pair flowing through the electric shock simulation model when the electric shock occurs, and the display is used for displaying the maximum current value. Therefore, the electric shock simulation model has the advantages that the electric shock conditions of different parts of the electric shock simulation model are simulated according to actual requirements, various simulation conditions are analyzed in detail, the current value flowing through the electric shock simulation model under each simulation condition is determined, the simulation result is displayed visually, and the electric shock simulation model has high practicability.
Description
Technical Field
The application relates to the technical field of safety simulation equipment, in particular to an electric shock simulation system and method for a live environment.
Background
Daily work and life are more and more widely applied to electricity, such as the support that various electronic equipment, components and parts, electrical appliances, public facilities and the like can not be separated from electricity. In the actual power consumption in-process, the electric leakage condition that causes such as electric wire line ageing or breakage takes place occasionally, according to the difference of the voltage size that electric leakage equipment carried and the actual environment in every side, can form various electrified environment near electric leakage equipment of difference, because electrified environment can produce the electric shock injury of different degrees to target object wherein to the body, and then lead to the target object can receive the harm of different degrees, so the electric shock condition of different target objects has very important meaning under the analysis electrified environment.
At present, the electric shock condition is mainly analyzed by adopting a theoretical analysis method, and the electric shock condition of a target object, such as an overall current generated when the target object gets an electric shock, is judged by analyzing an overall voltage of a charged environment and an overall resistance of the target object. Since this analysis method is limited to a theoretical level and is general only in terms of analysis from the whole, the analysis of the electric shock condition is not detailed and intuitive enough.
Based on the above, there is a need for an electric shock simulation system for a live environment, which is used to solve the problem that the analysis of the electric shock condition in the prior art is not detailed and intuitive enough.
Disclosure of Invention
The application provides an electric shock simulation system and method for a charged environment, which can be used for solving the technical problems that the analysis of the electric shock condition in the prior art is not detailed enough and is not intuitive enough.
In a first aspect, an embodiment of the present application provides an electric shock simulation system for a live environment, the system including: the electric shock simulation model comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model;
the electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, wherein the non-reference electrodes are arranged at different parts of the surface of the model body, and the reference electrode is positioned outside the model body and is in contact with zero potential of a preset charged environment; the shape of the model body is determined according to the shape of the object simulating the electric shock, and the size of the model body is determined according to the size of the object simulating the electric shock;
the measuring device comprises a controller and a display, wherein the controller is respectively electrically connected with the reference electrode and each non-reference electrode, and the display is electrically connected with the controller;
wherein:
any number of non-reference electrodes in the plurality of non-reference electrodes are used for contacting different areas in a preset charged environment;
the controller is used for simultaneously collecting the potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes in contact with the preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; the electrode pair is formed by any two target non-reference electrodes in a plurality of target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pair on the electric shock simulation model; determining the maximum current value flowing through the electric shock simulation model according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value;
the display is used for displaying the maximum current value.
In an implementation manner of the first aspect, the system further includes:
and the display is used for displaying the two target non-reference electrodes corresponding to the maximum electrode pair.
In one realizable manner of the first aspect, the potential difference between the pair of electrodes is determined by the following formula:
Vi＝|U-U′|
wherein, ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the other target non-reference electrode in the ith electrode pair.
In an implementation manner of the first aspect, the influence voltage value of the electrode pair on the electric shock simulation model is determined by the following formula:
Mi＝ki×Vi
wherein M isiThe influence voltage value generated by the electric shock simulation model for the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
In one implementation manner of the first aspect, the maximum current value flowing through the electric shock simulation model is determined by the following formula:
wherein I is the maximum current value flowing through the electric shock simulation model, and M ismaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
In a second aspect, an embodiment of the present application provides an electric shock simulation method for a live environment, where the method is applied to an electric shock simulation system, and the electric shock simulation system includes: the electric shock simulation model comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model;
the electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, wherein the non-reference electrodes are arranged at different parts of the surface of the model body, and the reference electrode is positioned outside the model body and is in contact with zero potential of a preset charged environment; the shape of the model body is determined according to the shape of the object simulating the electric shock, and the size of the model body is determined according to the size of the object simulating the electric shock;
the measuring device comprises a controller and a display, wherein the controller is respectively electrically connected with the reference electrode and each non-reference electrode, and the display is electrically connected with the controller;
the method comprises the following steps:
any number of the non-reference electrodes in the plurality of non-reference electrodes are in contact with different areas in a preset charged environment;
the controller simultaneously acquires the potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes in contact with the preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; the electrode pair is formed by any two target non-reference electrodes in a plurality of target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pair on the electric shock simulation model; determining the maximum current value flowing through the electric shock simulation model according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value;
the display displays the maximum current value.
In an implementable manner of the second aspect, the method further comprises:
the display displays two target non-reference electrodes corresponding to the largest electrode pair.
In one realizable form of the second aspect, the potential difference between the pair of electrodes is determined by the following equation:
Vi＝|U-U′|
wherein, ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the other target non-reference electrode in the ith electrode pair.
In an implementation manner of the second aspect, the influence voltage value of the electrode pair on the electric shock simulation model is determined by the following formula:
Mi＝ki×Vi
wherein M isiThe influence voltage value generated by the electric shock simulation model for the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
In one implementation manner of the second aspect, the maximum current value flowing through the electric shock simulation model is determined by the following formula:
wherein I is the maximum current value flowing through the electric shock simulation model, and M ismaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
Therefore, the electric shock simulation system for the charged environment provided by the embodiment of the application can simulate the electric shock conditions of different parts of the electric shock simulation model from actual requirements by contacting different non-reference electrodes with different areas of the preset charged environment; analyzing each simulated electric shock condition in detail through the controller, and determining the condition of different current values flowing through the electric shock simulation model when different parts of the electric shock simulation model are in electric shock; the maximum current value flowing through the electric shock simulation model is displayed through the display, and the electric shock simulation model is visual. The whole electric shock simulation system can simulate, analyze and display electric shocks at different positions of the electric shock simulation model according to actual requirements, is comprehensive and visual, and has high practicability.
Drawings
Fig. 1 is a schematic structural diagram of an electric shock simulation system for a live environment according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a workflow structure of a measurement apparatus according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart of an electric shock simulation method for a live environment according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In order to solve the problem, the embodiment of the application provides an electric shock simulation system for a live environment, and particularly aims to solve the problem that analysis of electric shock conditions in the prior art is not detailed enough and not intuitive enough. The electric shock simulation system for electrified environment that this application embodiment provided includes: an electric shock simulation model 100 and a measuring device 200 mounted on the electric shock simulation model 100.
The electric shock simulation model 100 comprises a model body 110, a reference electrode 120 and a plurality of non-reference electrodes 130, wherein the plurality of non-reference electrodes 130 are arranged at different positions on the surface of the model body 110, and the reference electrode 120 is positioned outside the model body 110 and is in contact with a zero potential P0 of a preset charged environment; the shape of the model body 110 is determined according to the shape of the subject simulating the electric shock, and the size of the model body 110 is determined according to the size of the subject simulating the electric shock.
The measurement device 200 includes a controller 210 and a display 220, the controller 210 being electrically connected to the reference electrode 120, each non-reference electrode 130, respectively, and the display 220 being electrically connected to the controller 210.
Wherein:
any number of the plurality of non-reference electrodes 130 for contacting different areas in the pre-defined charged environment.
A controller 210 for simultaneously collecting potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes 130 in contact with a preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; the electrode pair is formed by any two target non-reference electrodes in the plurality of target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model 100 according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pairs on the electric shock simulation model 100; determining the maximum current value flowing through the electric shock simulation model 100 according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value;
and a display 220 for displaying the maximum current value.
According to the electric shock simulation system provided by the embodiment of the application, different non-reference electrodes are in contact with different areas of a preset charged environment, so that the electric shock conditions of different parts of an electric shock simulation model can be simulated according to actual requirements; analyzing each simulated electric shock condition in detail through the controller, and determining the condition of different current values flowing through the electric shock simulation model when different parts of the electric shock simulation model are in electric shock; the maximum current value flowing through the electric shock simulation model is displayed through the display, and the electric shock simulation model is visual. The whole electric shock simulation system can simulate, analyze and display electric shocks at different positions of the electric shock simulation model according to actual requirements, is comprehensive and visual, and has high practicability.
Specifically, the electric shock simulation model 100 may be a robot, the shape of the model body 110 may be determined according to the shape of the robot simulating the electric shock, the size of the model body 110 may be determined according to the size of the robot simulating the electric shock, and an insulating material may be used for the robot body. Fig. 1 schematically illustrates a structural diagram of an electric shock simulation system for a live environment according to an embodiment of the present application. As shown in fig. 1, the electric shock simulation system has a function of realizing electric shock simulation for a live environment. In the practical use process, because real public electrical facilities are all in a large-space environment with dense personnel, the electric shock simulation system provided by the embodiment of the application is inconvenient to use in an outdoor real electrified environment, in order to explain the application of the electric shock simulation system, a physical model needs to be established according to the real electrified environment, the model can accurately reflect parameters of the real electrified environment in equal proportion, the physical model is used as a preset electrified environment, the electric potentials of all regions can be the same or different, and the electric shock simulation system is determined according to the parameters of the physical model and is not limited specifically.
The non-reference electrode 130 is mounted on different portions of the surface of the model body 110, and the specific mounting position of the non-reference electrode 130 on the surface of the model body 110 can be determined according to experience and requirements, and is not limited specifically. According to different contact states of the robot to be simulated with the preset charged environment, such as various postures of standing, walking, falling with both hands, falling with the buttocks, and the like, the non-reference electrodes 130 of the corresponding parts of the plurality of non-reference electrodes 130, which are in contact with different areas of the preset charged environment, are determined, and any number of non-reference electrodes 130 in contact with the preset charged environment are used as target non-reference electrodes. When the electric shock simulation model 100, i.e., the robot, contacts different regions of the preset charged environment in different postures, the target non-reference electrode may be different. The reference electrode 120 is an electrode for grounding, is located outside the model body 110, and is in contact with a zero potential P0 of a preset charged environment. The material of the reference electrode 120 and the non-reference electrode 130 may be metal or other materials that can be used for electrical conduction, and is not limited in particular. The non-reference electrode 130 may be mounted on the surface of the model body 110 in various ways, and may be adhered to the surface of the model body 110 or fixed by screws, which is not limited in particular. The reference electrode 120 may be directly placed at the zero potential P0 of the preset charging environment, or may be fixed at the zero potential P0 of the preset charging environment by screws, which is not limited in particular.
The measuring device 200 is mounted on the electrocution simulation model 100, and in one example, may be mounted inside the electrocution simulation model 100, as shown in fig. 1. In other possible examples, the controller 210 may be embedded in the surface of the electric shock simulation model 100, or the display 220 may be embedded in the surface of the electric shock simulation model 100, and the controller 210 is installed inside the electric shock simulation model 100, which is not limited in particular. When the measuring device 200 is completely installed inside the electric shock simulation model 100, the surface area of the electric shock simulation model corresponding to the measuring device needs to be replaced with a transparent material in order to ensure that the display is visible.
The measuring device 200 includes a controller 210 and a display 220, wherein the controller 210 is connected with the reference electrode 120 and each non-reference electrode 130 through wires, and the display 220 is connected with the controller 210 through wires.
When the electric shock simulation model 100, i.e., the robot, contacts different areas of the preset charged environment in a certain posture, the N non-reference electrodes 130 on the surface of the robot may contact different areas of the preset charged environment, where the N non-reference electrodes 130 may contact different areas of the preset charged environment simultaneously, or may contact different areas of the preset charged environment one by one according to a certain sequence, and are not limited specifically. After the N non-reference electrodes 130 are all contacted with the preset charged environment, the N non-reference electrodes 130 are corresponding target non-reference electrodes in the posture of the robot, and any two target non-reference electrodes in the N target non-reference electrodes form an electrode pair, so that according to the permutation and combination formula, the N target non-reference electrodes can form a whole
A pair of electrodes.
The controller 210 simultaneously collects the potentials of the target non-reference electrodes and determines the potential difference between each electrode pair according to the potentials of the target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model 100 according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pairs on the electric shock simulation model 100; and determining the maximum current value flowing through the electric shock simulation model 100 according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value. The resistance value corresponding to the maximum electrode pair refers to a resistance value between two target non-reference electrodes corresponding to the maximum electrode pair, that is, the resistance value of the electric shock simulation model 100 between two target non-reference electrodes corresponding to the maximum electrode pair represents a resistance value of a corresponding portion of the electric shock simulation model 100. Similarly, the resistance values corresponding to the other electrode pairs also refer to the resistance values between the two target non-reference electrodes corresponding to the electrode pairs, and in this embodiment, the resistance value corresponding to each electrode pair is a value preset in the controller 210 according to an actual situation. The preset influence coefficient of the electrode pair is also a value preset in the controller 210, and the influence coefficient can be set according to the degree that the electrode pair will damage key components of the robot if an electric shock occurs.
The potential difference between the pair of electrodes is determined by equation (1):
Viequation (1) of | U-U' |
In the formula (1), ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the other target non-reference electrode in the ith electrode pair.
The value of the voltage that the electrode pair affects the electric shock simulation model 100 is determined by equation (2):
Mi＝ki×Viformula (2)
In the formula (2), MiIs the ithThe voltage value of the electrode pair influencing the electric shock simulation model 100; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
The maximum current value flowing through the electric shock simulation model 100 is determined by equation (3):
in the formula (3), I is the maximum current value flowing through the electric shock simulation model 100, and MmaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
After the controller 210 calculates the maximum current value flowing through the electric shock simulation model 100 in this posture, the display 220 displays the maximum current value. Fig. 2 schematically shows a workflow structure of a measurement apparatus provided in an embodiment of the present application.
The display 220 can display a variety of contents, which can be set according to actual requirements. The display 220 in the electric shock simulation system for a charged environment provided by the embodiment of the application can also display two target non-reference electrodes corresponding to the largest electrode pair.
By adopting the method, the display displays the two target non-reference electrodes corresponding to the maximum electrode pair and the maximum current value flowing through the electric shock simulation model, so that the electric shock simulation model can be visually seen, which two parts are subjected to electric shock to cause the most serious damage to the electric shock simulation model, and the current flowing through the electric shock simulation model under the most serious damage can be visually seen, the whole process is clear, visual and convenient, convenient to observe and high in practicability.
In order to more clearly illustrate the workflow of the electric shock simulation system provided in the embodiment of the present application, the following is a specific example.
Taking fig. 1 as an example, an electric shock simulation model 100, i.e., a robot, is provided with 11 non-reference electrodes on the surface thereof, which are respectively arrangedThe robot is controlled to land on the ground in a falling posture of the two hands and the right foot, non-reference electrodes arranged at three positions of P1, P6 and P9 become target non-reference electrodes and are in contact with a preset charged environment, P1 is in contact with a point A, P6 is in contact with a point B, and P9 is in contact with a point C. After the three target non-reference electrodes P1, P6 and P9 are all in contact with the preset charged environment, the three target non-reference electrodes may form three electrode pairs: the target non-reference electrodes for the first electrode pair are P1 and P6, the target non-reference electrodes for the second electrode pair are P1 and P9, and the target non-reference electrodes for the third electrode pair are P6 and P9. The controller 210 simultaneously acquires the potentials of the three target non-reference electrodes, assuming the potential of P1, i.e., the potential U at A1Is 220V; potential of P6, i.e. potential U at B2Is 110V; potential of P9, i.e. potential U at C350V, calculating the potential difference V between the first electrode pair according to the formula (1)1A potential difference V between the second electrode pair of the first electrode pair of the second electrode pair of the third2170V, and a potential difference V between the third electrode pair3Is |110V-50V | ═ 60V. Setting respective influence coefficient k according to the degree of damage to key components of the robot when each electrode pair is in electric shock, and assuming that k corresponding to the first electrode pair10.4, k corresponding to the second electrode pair20.8, corresponding to the third electrode pair31.0, calculating the influence voltage value M of each electrode pair on the robot according to the formula (2), and calculating to obtain M corresponding to the first electrode pair1M corresponding to the second electrode pair is 0.4 × 110V-44V2M is 136V corresponding to the third electrode pair of 0.8 × 170V31.0 × 60V ═ 60V, and the influence voltage value M corresponding to the second electrode pair was compared2The maximum value of the resistance between the target non-reference electrodes P1 and P9 corresponding to the second electrode pair is the maximum value of the influence voltage, the assumption is that 100 ohms, and the maximum value of the current flowing through the robot is 136V/100 ohms to 1.36A according to the formula (3). The display shows that, in the case of the specific example, when the right hand (P1) and the right foot (P9) of the robot are simultaneously in contact with the preset charged environment,the maximum damage can be caused to key components of the robot, and the maximum current flowing through the robot is 1.36A.
The electric shock simulation system provided by the embodiment of the application can simulate the electric shock conditions of different parts of the electric shock simulation model from actual requirements; analyzing each simulated electric shock condition through the controller, and analyzing different damage conditions caused by electric shock at different parts of the electric shock simulation model in detail; the maximum current value flowing through the electric shock simulation model is visually displayed through the display. The whole electric shock simulation system can simulate, analyze and display electric shocks at different positions of the electric shock simulation model according to actual requirements, is comprehensive and visual, and has high practicability.
The following are embodiments of the method of the present application, which can be applied to embodiments of the electric shock simulation system for a live environment of the present application. For details not disclosed in the method embodiments of the present application, please refer to the embodiments of the electric shock simulation system for a live environment of the present application.
The embodiment of the application provides an electric shock simulation method for a charged environment. Fig. 3 schematically illustrates a flow chart of an electric shock simulation method for a live environment according to an embodiment of the present application. The method is applied to an electric shock simulation system, and the electric shock simulation system comprises: the electric shock simulation model comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model.
The electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, wherein the non-reference electrodes are arranged at different parts of the surface of the model body, and the reference electrode is positioned outside the model body and is in contact with zero potential of a preset charged environment; the shape of the model body is determined according to the shape of the object simulating the electric shock, and the size of the model body is determined according to the size of the object simulating the electric shock.
The measuring device comprises a controller and a display, wherein the controller is electrically connected with the reference electrode and each non-reference electrode respectively, and the display is electrically connected with the controller.
The method specifically comprises the following steps:
any number of the plurality of non-reference electrodes are in contact with different areas in the pre-defined charged environment.
The controller simultaneously acquires the potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes in contact with a preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; wherein the electrode pair is formed by any two target non-reference electrodes of the plurality of target non-reference electrodes; determining an influence voltage value of the electrode on the electric shock simulation model according to the potential difference between the electrode pairs and a preset influence coefficient of the electrode pairs; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pair on the electric shock simulation model; and determining the maximum current value flowing through the electric shock simulation model according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value.
The display displays the maximum current value.
In one implementation, the method further comprises:
the display displays two target non-reference electrodes corresponding to the largest electrode pair.
In one implementation, the potential difference between the pair of electrodes is determined by the following equation:
Vi＝|U-U′|
wherein, ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the other target non-reference electrode in the ith electrode pair.
In one implementation, the value of the voltage that the electrode pair affects the electric shock simulation model is determined by the following formula:
Mi＝ki×Vi
wherein M isiThe influence voltage value of the ith electrode pair on the electric shock simulation model is obtained; i is greater than or equal toAn integer of 1 and less than or equal to L, L being the number of pairs of all electrode pairs formed by N target non-reference electrodes, N being the number of target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
In one implementation, the maximum current value flowing through the shock simulation model is determined by the following equation:
wherein I is the maximum current value flowing through the electric shock simulation model, and M ismaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
Therefore, the electric shock simulation method provided by the embodiment of the application is applied to an electric shock simulation system, different non-reference electrodes are in contact with different areas of a preset charged environment, and the electric shock conditions of different parts of an electric shock simulation model can be simulated from actual requirements; analyzing each simulated electric shock condition in detail through the controller, and determining the condition of different current values flowing through the electric shock simulation model when different parts of the electric shock simulation model are in electric shock; the maximum current value of the electric shock simulation model flowing through is displayed through the display, and the electric shock simulation model is comprehensive and visual and has high practicability.
In an exemplary embodiment, a computer-readable storage medium is further provided, in which a computer program or an intelligent contract is stored, and the computer program or the intelligent contract is loaded and executed by a node to implement the transaction processing method provided by the above-described embodiment. Alternatively, the computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Those skilled in the art will clearly understand that the techniques in the embodiments of the present application may be implemented by way of software plus a required general hardware platform. Based on such understanding, the technical solutions in the embodiments of the present application may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present application.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An electric shock simulation system for a live environment, the system comprising: the electric shock simulation model comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model;
the electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, wherein the non-reference electrodes are arranged at different parts of the surface of the model body, and the reference electrode is positioned outside the model body and is in contact with zero potential of a preset charged environment; the shape of the model body is determined according to the shape of the object simulating the electric shock, and the size of the model body is determined according to the size of the object simulating the electric shock;
the measuring device comprises a controller and a display, wherein the controller is respectively electrically connected with the reference electrode and each non-reference electrode, and the display is electrically connected with the controller;
wherein:
any number of non-reference electrodes in the plurality of non-reference electrodes are used for contacting different areas in a preset charged environment;
the controller is used for simultaneously collecting the potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes in contact with the preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; the electrode pair is formed by any two target non-reference electrodes in a plurality of target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pair on the electric shock simulation model; determining the maximum current value flowing through the electric shock simulation model according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value;
the display is used for displaying the maximum current value.
2. The system of claim 1, further comprising:
and the display is used for displaying the two target non-reference electrodes corresponding to the maximum electrode pair.
3. The system of claim 1, wherein the potential difference between the pair of electrodes is determined by the formula:
Vi＝|U-U′|
wherein, ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the ith electrode pairThe potential of the other target non-reference electrode.
4. The system of claim 3, wherein the voltage value of the effect of the electrode pair on the electric shock simulation model is determined by the following equation:
Mi＝ki×Vi
wherein M isiThe influence voltage value generated by the electric shock simulation model for the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
5. The system of claim 4, wherein the maximum current value flowing through the shock simulation model is determined by the following equation:
wherein I is the maximum current value flowing through the electric shock simulation model, and M ismaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
6. An electric shock simulation method for a charged environment, wherein the method is applied to an electric shock simulation system, and the electric shock simulation system comprises: the electric shock simulation model comprises an electric shock simulation model and a measuring device installed on the electric shock simulation model;
the electric shock simulation model comprises a model body, a reference electrode and a plurality of non-reference electrodes, wherein the non-reference electrodes are arranged at different parts of the surface of the model body, and the reference electrode is positioned outside the model body and is in contact with zero potential of a preset charged environment; the shape of the model body is determined according to the shape of the object simulating the electric shock, and the size of the model body is determined according to the size of the object simulating the electric shock;
the measuring device comprises a controller and a display, wherein the controller is respectively electrically connected with the reference electrode and each non-reference electrode, and the display is electrically connected with the controller;
the method comprises the following steps:
any number of the non-reference electrodes in the plurality of non-reference electrodes are in contact with different areas in a preset charged environment;
the controller simultaneously acquires the potentials of a plurality of target non-reference electrodes; the target non-reference electrodes are a plurality of non-reference electrodes in contact with the preset charged environment; and determining the potential difference between the pair of electrodes according to the potential of each target non-reference electrode; the electrode pair is formed by any two target non-reference electrodes in a plurality of target non-reference electrodes; determining an influence voltage value of the electrode pair on the electric shock simulation model according to the potential difference between the electrode pair and a preset influence coefficient of the electrode pair; determining a maximum influence voltage value and a maximum electrode pair corresponding to the maximum influence voltage value from influence voltage values of the electrode pair on the electric shock simulation model; determining the maximum current value flowing through the electric shock simulation model according to the resistance value corresponding to the maximum electrode pair and the maximum influence voltage value;
the display displays the maximum current value.
7. The method of claim 6, further comprising:
the display displays two target non-reference electrodes corresponding to the largest electrode pair.
8. The method of claim 6, wherein the potential difference between the pair of electrodes is determined by the formula:
Vi＝|U-U′|
wherein, ViIs the potential difference between the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to LL is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; u is the potential of one target non-reference electrode in the ith electrode pair, and U' is the potential of the other target non-reference electrode in the ith electrode pair.
9. The method of claim 8, wherein the voltage value of the effect of the electrode pair on the contact simulation model is determined by the following equation:
Mi＝ki×Vi
wherein M isiThe influence voltage value generated by the electric shock simulation model for the ith electrode pair; i is an integer greater than or equal to 1 and less than or equal to L, L is the logarithm of all electrode pairs formed by N target non-reference electrodes, and N is the number of the target non-reference electrodes; k is a radical ofiFor a predetermined influence coefficient, V, of the ith electrode pairiIs the potential difference between the ith electrode pair.
10. The method of claim 9, wherein the maximum current value flowing through the shock simulation model is determined by the following equation:
wherein I is the maximum current value flowing through the electric shock simulation model, and M ismaxFor maximum influence voltage value, RmThe resistance value corresponding to the maximum electrode pair.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007864Y (en) * | 2007-02-17 | 2008-01-16 | 朱琦 | Teaching model for simulating human body electric shock |
| CN104638612A (en) * | 2015-02-13 | 2015-05-20 | 西安交通大学 | Method for recognizing and protecting human body electric shock accident |
| CN205487081U (en) * | 2016-01-26 | 2016-08-17 | 焦贺彬 | Safety utilization of electric power demonstration teaching aid |
| CN107621596A (en) * | 2017-07-26 | 2018-01-23 | 贵州电网有限责任公司 | Live line work insulating takes surface insulation performance detecting system |
| CN109799377A (en) * | 2018-12-24 | 2019-05-24 | 中铁第一勘察设计院集团有限公司 | Electric railway step voltage and contact voltage test macro and its method |
| CN110648574A (en) * | 2019-09-30 | 2020-01-03 | 武汉大学 | Step voltage and contact voltage simulation experiment device and method |
| CN209928758U (en) * | 2019-03-29 | 2020-01-10 | 郑州万特电气股份有限公司 | Electric shock principle demonstration system |
-
2020
- 2020-07-14 CN CN202010674778.6A patent/CN111816038A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007864Y (en) * | 2007-02-17 | 2008-01-16 | 朱琦 | Teaching model for simulating human body electric shock |
| CN104638612A (en) * | 2015-02-13 | 2015-05-20 | 西安交通大学 | Method for recognizing and protecting human body electric shock accident |
| CN205487081U (en) * | 2016-01-26 | 2016-08-17 | 焦贺彬 | Safety utilization of electric power demonstration teaching aid |
| CN107621596A (en) * | 2017-07-26 | 2018-01-23 | 贵州电网有限责任公司 | Live line work insulating takes surface insulation performance detecting system |
| CN109799377A (en) * | 2018-12-24 | 2019-05-24 | 中铁第一勘察设计院集团有限公司 | Electric railway step voltage and contact voltage test macro and its method |
| CN209928758U (en) * | 2019-03-29 | 2020-01-10 | 郑州万特电气股份有限公司 | Electric shock principle demonstration system |
| CN110648574A (en) * | 2019-09-30 | 2020-01-03 | 武汉大学 | Step voltage and contact voltage simulation experiment device and method |
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Application publication date: 20201023 |