CN115078893B - Wire current-carrying capacity simulation calculation device and simulation calculation method - Google Patents
Wire current-carrying capacity simulation calculation device and simulation calculation method Download PDFInfo
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- CN115078893B CN115078893B CN202211002425.7A CN202211002425A CN115078893B CN 115078893 B CN115078893 B CN 115078893B CN 202211002425 A CN202211002425 A CN 202211002425A CN 115078893 B CN115078893 B CN 115078893B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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Abstract
The invention provides a device and a method for simulating and calculating current-carrying capacity of a wire, which relate to the technical field of wire installation assistive devices and adopt the following scheme: the novel intelligent electric current meter comprises a housin, rotate in the casing and install the electric current carousel, the electric current carousel is irregular form, be provided with the scale draw-in groove in the casing, install the electric current scale in the scale draw-in groove, the scale draw-in groove can be followed to the electric current scale and slide, be connected with the piece that resets on the scale draw-in groove, the electric current scale is located one side of electric current carousel, be provided with a plurality of electric current numerical value positions on the electric current carousel, be provided with the electric current window on the casing, can make different electric current numerical value positions show at the electric current window through rotating the electric current carousel, still be provided with current value display window on the casing, current value display window is located the slip direction of electric current scale, can make the electric current scale slide along the scale draw-in groove through rotating the electric current carousel, numerical value according to window demonstration, use the electric current numerical value of regulation to divide/every square and allow the electric current value, will reach corresponding wire model.
Description
Technical Field
The invention relates to the technical field of wire installation assistive devices, in particular to a wire current-carrying capacity simulation calculation device and a simulation calculation method.
Background
The current-carrying capacity of the wire is linearly reduced along with the square allowable current-carrying capacity along with the increase of the cross-sectional area of the wire. The current-carrying capacity specified by the corresponding type of the wire is searched by a table look-up method to determine the current-carrying capacity, and the practical situation that even the wire with the same type has thickness is difficult, so that the problem of selecting a proper wire according to the determined current becomes a problem for electricians.
Therefore, in order to solve the current situation that it is difficult to select a suitable wire according to a determined current, it is an urgent need to develop a wire current-carrying capacity simulation calculation apparatus and a simulation calculation method.
Disclosure of Invention
The invention aims to provide and design a conductor current-carrying capacity simulation calculation device and a simulation calculation method aiming at the problem that a proper conductor is difficult to select according to determined current at present, different currents are displayed by driving a current scale to slide through an irregular current turntable, and the current-carrying capacity allowed by a copper and aluminum conductor is indicated, so that the type of the conductor can be selected according to the current-carrying capacity.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a wire current-carrying capacity analog computation device, which comprises a housin, it installs the electric current carousel to rotate in the casing, the electric current carousel is irregular form, the circular arc diameter of different positions department is different promptly, be provided with the scale draw-in groove in the casing, install the electric current scale in the scale draw-in groove, the electric current scale can slide along the scale draw-in groove, be connected with the piece that resets on the scale draw-in groove, can make the electric current scale reset, the electric current scale is located one side of electric current carousel, the diameter that the electric current carousel is close to in electric current scale one side is greater than the diameter of keeping away from in electric current scale one side, be provided with a plurality of electric current numerical value positions on the electric current carousel, it has different electric current numerical value to correspond on the different electric current numerical value positions, a plurality of electric current numerical value positions are on same circle, be provided with the electric current window on the casing, can make different electric current numerical value positions show at the electric current window through rotating the electric current carousel, still be provided with current value display window on the casing, electric current display window is located the slip direction of electric current scale, can make the electric current scale follow the scale draw-in the slip of scale through rotating the electric current carousel. The current turntable is manually rotated to select the rated current of the lead, so that the corresponding current numerical value is displayed in the current window, and meanwhile, the current turntable can push the current scale to slide leftwards. When the current value is rotated to the current value to be calculated, the corresponding square allowable current value is displayed in the current value display window. Using the specified current value ÷ per square allowable current value, the corresponding conductor type number is obtained.
Furthermore, be connected with the temperature compensation subassembly on the current carousel, the height of current carousel can be adjusted to the temperature compensation subassembly, because the electric current allows the current-carrying capacity to be relevant with the temperature, drives the current carousel activity from top to bottom through operating the temperature compensation subassembly, and the reciprocating of current carousel can promote the current scale and adjust from side to side, and then can demonstrate corresponding every square and allow the current value at current value display window.
Furthermore, the temperature compensation assembly comprises an adjusting screw rod, a nut and a connecting rod, the nut is in transmission connection with the adjusting screw rod, the nut is connected with the connecting rod, and the connecting rod is in rotation connection with the current turntable. The adjusting screw rod is rotated to drive the nut connected with the adjusting screw rod to move up and down, the nut drives the connecting rod to move up and down, and the connecting rod drives the current turntable to move up and down, so that the height of the current turntable is adjusted.
Furthermore, the upper portion of adjusting screw is fixedly mounted with a temperature compensation adjusting knob, the temperature compensation adjusting knob is provided with an adjusting value, the temperature compensation adjusting knob is screwed according to the required value, and then the adjusting screw is screwed to rotate, so that the height of the current turntable is adjusted.
Further, the electric current carousel is provided with two, is copper line current carousel and aluminium wire current carousel respectively, and is corresponding, the electric current scale is provided with two, is copper line current scale and aluminium wire current scale respectively, and copper line current scale and aluminium wire current scale are located the scale draw-in groove that parallels respectively, copper line current carousel and the cooperation of copper line current scale, aluminium wire current carousel and the cooperation of aluminium wire current scale, and the adaptation is in two kinds of wires of copper, aluminium, can demonstrate corresponding every square through at copper, two windows of aluminium and allow the current value, detects the calculation respectively to copper wire and aluminium matter wire.
Further, the piece that resets is the spring, and the spring mounting is in the scale draw-in groove, and the spring is located the left side of electric current scale, and the electric current carousel is located the right side of electric current scale. The current scale is moved left and right by the current turntable and the spring.
Further, the terminal surface that the electric current scale is close to in electric current carousel one end is the inclined plane, and this inclined plane is down and from up tilt up down, electric current carousel and this inclined plane butt contact. More do benefit to and lean on with the global laminating of electric current carousel, impel the accurate slip of electric current scale.
Furthermore, be provided with the locating part in the casing, the locating part is located the left side of electric current carousel, and the locating part includes spacing calorie of post and limit baffle, plays the purpose that prevents the carousel rotation dislocation. And additional tools such as a screwdriver, an electrician knife, a meter ruler, a wrench and the like can be arranged on the shell, so that the use is convenient.
Furthermore, a spring damper is arranged on one side of the current turntable, and the current turntable is fixed after rotating for a certain position.
In addition, the invention also provides a wire current-carrying capacity simulation calculation method, which uses the wire current-carrying capacity simulation calculation device and comprises the following steps:
s1: rotating the current turntable, and displaying a specified current value in a current window;
s2: the current scale is moved by the rotation of the current turntable, and the value displayed on the current value display window after the current scale is moved is read, wherein the value is the allowable current value per square;
s3: using the specified current value ÷ per square allowable current value, the corresponding conductor type number is obtained.
When temperature compensation is needed, the current rotating disc is made to move up and down through the temperature compensation assembly, the current rotating disc can also push the current scale to be adjusted left and right through the up-and-down movement, and the allowed current value of each square after temperature compensation is displayed on the current value display window.
According to the technical scheme, the invention has the following advantages:
the scheme provides a wire current-carrying capacity simulation and calculation device, different currents are displayed by driving a current scale to slide through an irregular current turntable, the current-carrying capacity allowed by a wire made of copper and aluminum is indicated, and therefore the type of the wire can be selected according to the current-carrying capacity, namely the type of the wire is approximately equal to the current value and divided into the allowed current-carrying capacity. The display device is small in size, capable of displaying all allowed current values within a fixed range, firm and durable, free of electric display and capable of being attached to tools such as a meter ruler and a wrench.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure, 1, a shell, 2, a current scale, 3, a current turntable, 4, a current value display window, 5, an adjusting screw rod, 6, a temperature compensation adjusting knob, 7, a nut, 8, a connecting rod, 9, a current numerical position, 10, a current window, 11, a spring damper, 12, a limit baffle, 13, a limit clamping column, 14, a screwdriver, 15, a reset piece, 16, a scale clamping groove, 201, an aluminum wire current scale, 202, a copper wire current scale, 301, an aluminum wire current turntable, 302, a copper wire current turntable.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed description of the preferred embodiment 1
As shown in fig. 1, the embodiment provides a wire current-carrying capacity analog computation device, which includes a housing 1, a current dial 3 is rotatably installed in the housing 1, the current dial 3 is irregular, that is, the diameters of arcs at different positions are different, a scale clamping slot 16 is provided in the housing 1, a current scale 2 is installed in the scale clamping slot 16, the current scale 2 can slide along the scale clamping slot 16, a reset piece 15 is connected to the scale clamping slot 16, and can reset the current scale 2, the current scale 2 is located on one side of the current dial 3, the diameter of one side of the current dial 3 close to the current scale 2 is larger than the diameter of one side far away from the current scale 2, a plurality of current value positions 9 are provided on the current dial 3, different current value positions 9 correspond to different current values, the plurality of current value positions 9 are on the same circle, a current window 10 is provided on the housing 1, different current value positions 9 can be displayed on the current window 10 by rotating the current dial 3, a current value display window 4 is further provided on the housing 1, the current value display window 4 is located in the sliding direction of the current scale 2, and the current scale 2 can slide along the current scale 16 by rotating the current scale 3. Specifically, the piece that resets 15 is the spring, and spring mounting is in scale draw-in groove 16, and the spring is located current scale 2's left side, and current carousel 3 is located current scale 2's right side, moves about making current scale 2 through current carousel 3 and spring. Current scale 2 is close to the terminal surface that is close to 3 one ends of current carousel for the inclined plane, and this inclined plane is down and from up tilt up down, and current carousel 3 and this inclined plane butt contact more do benefit to and support with global laminating of current carousel 3 and lean on, make the accurate slip of current scale 2. Be provided with the locating part in the casing 1, the locating part is located the left side of current carousel 3, and the locating part includes spacing calorie of post 13 and limit baffle 12, plays the purpose that prevents the carousel rotation overreach. One side of the current turntable 3 is provided with a spring damper 11 which ensures that the current turntable 3 is fixed after rotating for a certain position. And additional tools such as a screwdriver 14, an electrician knife, a meter ruler, a wrench and the like can be arranged on the shell 1, so that the use is convenient.
The current turntable 3 is connected with a temperature compensation assembly, the height of the current turntable 3 can be adjusted by the temperature compensation assembly, the current allowable current-carrying capacity is related to the temperature, the current turntable 3 is driven to move up and down by operating the temperature compensation assembly, the current scale 2 is pushed to be adjusted left and right by the up-and-down movement of the current turntable 3, and then the corresponding square allowable current value can be displayed on the current value display window 4. The temperature compensation subassembly is including adjusting lead screw 5, nut 7 and connecting rod 8, nut 7 transmission is connected on adjusting lead screw 5, nut 7 is connected with connecting rod 8, connecting rod 8 rotates with current carousel 3 to be connected, the upper portion fixed mounting who adjusts lead screw 5 has temperature compensation adjust knob 6, be used for twisting to move adjusting lead screw 5 and rotate, it reciprocates to drive nut 7 of connecting on it through rotating adjusting lead screw 5, nut 7 drives connecting rod 8 and reciprocates, connecting rod 8 drives current carousel 3 and reciprocates, realize current carousel 3's altitude mixture control.
In addition, in this embodiment, current carousel 3 is provided with two, be copper line current carousel 302 and aluminium line current carousel 301 respectively, it is corresponding, current scale 2 is provided with two, be copper line current scale 202 and aluminium line current scale 201 respectively, copper line current scale 202 and aluminium line current scale 201 are located parallel scale draw-in groove 16 respectively, copper line current carousel 302 cooperates with copper line current scale 202, aluminium line current carousel 301 cooperates with aluminium line current scale 201, adaptation in copper, two kinds of wires of aluminium, through at copper, two windows of aluminium can demonstrate corresponding every square and allow the current value, detect respectively to calculate copper wire and aluminium matter wire.
The working principle is as follows: the current dial 3 is manually rotated, the rated current of the lead is selected, the corresponding current value position 9 is displayed in the current window 10, meanwhile, the current dial 3 can push the current scale 2 to slide leftwards, and when the current dial is rotated to the current value to be calculated, the corresponding square allowable current value can be displayed in the current value display window 4. Using the specified current value ÷ per square allowable current value, the corresponding conductor type number is obtained. When temperature compensation is needed, the current rotating disc 3 is moved up and down by rotating the temperature compensation adjusting button, the current scale 2 is pushed to be adjusted left and right by the up-and-down movement of the current rotating disc 3, and the square allowable current value after temperature compensation is displayed on the current value display window 4.
Detailed description of the preferred embodiment 2
The present embodiment provides a method for simulating and calculating a current-carrying capacity of a wire, which uses the device for simulating and calculating a current-carrying capacity of a wire in embodiment 1, and includes the following steps:
s1: rotating the current dial 3 to display a predetermined current value in the current window 10;
s2: the current scale 2 is moved by the rotation of the current turntable 3, and the value displayed on the current value display window 4 after the current scale 2 is moved is read, wherein the value is the allowable current value per square;
s3: using the specified current value ÷ per square allowable current value, the corresponding conductor type number is obtained.
When temperature compensation is needed, the current rotating disc 3 is moved up and down through the temperature compensation assembly, the current scale 2 is pushed to be adjusted left and right by the up-and-down movement of the current rotating disc 3, and the square allowable current value after temperature compensation is displayed on the current value display window 4.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a wire current-carrying capacity analog computation device, a serial communication port, which comprises a housin (1), rotate in casing (1) and install electric current carousel (3), the circular arc diameter of different positions department is different on electric current carousel (3), be provided with scale draw-in groove (16) in casing (1), install electric current scale (2) in scale draw-in groove (16), electric current scale (2) can be followed scale draw-in groove (16) and slided, be connected with reset piece (15) on scale draw-in groove (16), electric current scale (2) are located one side of electric current carousel (3), electric current carousel (3) are close to the diameter that is greater than keeping away from one side of electric current scale (2) in one side in electric current scale (2), be provided with a plurality of electric current numerical value positions (9) on electric current carousel (3), a plurality of electric current numerical value positions (9) are on same circle, be provided with electric current window (10) on casing (1), can make different electric current numerical value positions (9) show the draw-in groove in electric current window (10) through rotating electric current carousel (3), still be provided with electric current value display window (4), electric current display window (2) are located the electric current scale (2) and can slide through electric current scale (16) and slide.
2. The wire ampacity simulation calculation apparatus according to claim 1, wherein a temperature compensation component is connected to the current turntable (3), and the temperature compensation component can adjust the height of the current turntable (3).
3. The wire ampacity simulation calculation device according to claim 2, wherein the temperature compensation assembly comprises an adjusting screw (5), a nut (7) and a connecting rod (8), the nut (7) is connected to the adjusting screw (5) in a transmission manner, the nut (7) is connected to the connecting rod (8), and the connecting rod (8) is rotatably connected to the current turntable (3).
4. The wire ampacity analog computation device according to claim 3, wherein a temperature compensation adjustment knob (6) is mounted on the upper portion of the adjustment screw (5).
5. The wire current-carrying capacity simulation calculation device according to claim 1, wherein the current dial (3) is provided with two copper wire current dials (302) and two aluminum wire current dials (301), the current scale (2) is provided with two copper wire current scales (202) and two aluminum wire current scales (201), the copper wire current scales (202) and the aluminum wire current scales (201) are respectively located in parallel scale clamping grooves (16), the copper wire current dials (302) are matched with the copper wire current scales (202), and the aluminum wire current dials (301) are matched with the aluminum wire current scales (201).
6. The wire ampacity simulation calculation device according to any one of claims 1-5, wherein the reset member (15) is a spring, the spring is mounted in the scale slot (16), the spring is located on the left side of the current scale (2), and the current dial (3) is located on the right side of the current scale (2).
7. The wire ampacity simulation calculation apparatus according to any one of claims 1 to 5, wherein the end surface of the current scale (2) near the end of the current wheel (3) is a slope that is inclined downward and upward from bottom to top, and the current wheel (3) is in abutting contact with the slope.
8. The wire ampacity simulation calculation device according to any one of claims 1 to 5, wherein a limit clip column (13) and a limit baffle (12) are arranged in the housing (1), and the limit clip column (13) and the limit baffle (12) are positioned on the left side of the current turntable (3).
9. The wire ampacity simulation calculation device according to any one of claims 1 to 5, wherein a spring damper (11) is provided on one side of the current dial (3).
10. A method for calculating a current-carrying capacity of a wire by simulation, the method using the device for calculating a current-carrying capacity of a wire according to any one of claims 2 to 9, comprising the steps of:
s1: rotating the current dial (3) and displaying a specified current value in the current window (10);
s2: the current scale (2) is moved by the rotation of the current turntable (3), and the value displayed on the current value display window (4) after the current scale (2) is moved is read, wherein the value is the allowable current value per square;
s3: using a specified current value divided by an allowable current value per square to obtain a corresponding lead model;
when temperature compensation is needed, the current rotating disc (3) is moved up and down through the temperature compensation assembly, the current scale (2) is pushed to be adjusted left and right by the up-and-down movement of the current rotating disc (3), and the allowed current value per square after the temperature compensation is displayed on the current value display window (4).
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| CN202211002425.7A CN115078893B (en) | 2022-08-22 | 2022-08-22 | Wire current-carrying capacity simulation calculation device and simulation calculation method |
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| CN115078893B true CN115078893B (en) | 2022-11-18 |
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