CN222028362U - A wire overload simulation device - Google Patents
A wire overload simulation device Download PDFInfo
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- CN222028362U CN222028362U CN202323579462.7U CN202323579462U CN222028362U CN 222028362 U CN222028362 U CN 222028362U CN 202323579462 U CN202323579462 U CN 202323579462U CN 222028362 U CN222028362 U CN 222028362U
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- 238000004088 simulation Methods 0.000 title claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000009529 body temperature measurement Methods 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric wire overload simulation device, which comprises: an electric appliance, a switch and an ammeter are fixed on the display board, the ceramic wire holders are arranged on the display board, and the electric wires are respectively and electrically connected with the two ceramic wire holders; the external power supply is connected with an input terminal of the switch, an output terminal of the switch is electrically connected with a terminal of the electric appliance, the other output terminal of the switch is electrically connected with one ceramic wire holder, the other ceramic wire holder is electrically connected with the other terminal of the electric appliance, and the ammeter is connected on the second lead in series; a metal tray is arranged below the electric wire. According to the utility model, the electric wires are electrically connected in series between the electric appliances and the external power supply, overload fusing of the electric wires can be realized by adjusting the electric power of the electric appliances, a tester can clearly observe the phenomenon of fusing of the electric wires, and the ammeter can be used for observing and recording the magnitude of the electric current of the fused electric wires; the metal tray can hold the residue that drops when receiving the electric wire fusing, guarantees the safety of whole simulation process.
Description
Technical Field
The utility model relates to the field of electric power test equipment, in particular to an electric wire overload simulation device.
Background
The electric wires can be used for electrically connecting a plurality of electric appliances together, so that the electric appliances and the power supply form a conductive loop, when the total power of the electric appliances is overlarge and the rated power of the electric wires is smaller, the electric wires are easy to overload and heat up or fuse, and therefore, the selection of the proper electric wires is very important for the normal operation of the whole circuit system.
Regarding the determination of the rated current and the rated power of the electric wire, the change of the temperature and the specific occurrence form of the fusing when the electric wire is overloaded, special equipment is needed to simulate and display the electric wire, and the overload fusing test on the electric wire in the prior art is almost not available, so that the overload and the change of the fusing of the electric wire cannot be intuitively and accurately researched, in addition, in the teaching field, the overload and the fusing of the electric wire caused by the excessive power are realized, students only know on books, and the students cannot observe the real overload fusing scene.
Therefore, how to provide an overload simulation device for an electric wire, so that the above problems can be overcome, is a problem that needs to be solved by those skilled in the art.
Disclosure of utility model
In view of this, the present utility model provides an electric wire overload simulation device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An electrical wire overload simulation apparatus comprising:
the display board is vertically arranged, and a power-adjustable electric appliance is fixed on one side board surface of the display board;
The overload simulation piece comprises a switch, an ammeter, a ceramic wire holder, an electric wire and a metal tray, wherein the switch and the ammeter are both fixed on the display board, the ceramic wire holders are provided with two and are both installed on the display board, and two ends of the electric wire are respectively fixed with the two ceramic wire holders and are electrically connected; the external power supply is connected with two input terminals of the switch, one output terminal of the switch is electrically connected with one terminal of the electric appliance through a first lead, the other output terminal of the switch is electrically connected with one ceramic wire holder through a second lead, the other ceramic wire holder is electrically connected with the other terminal of the electric appliance through a third lead, and the ammeter is electrically connected on the second lead in series; the metal tray is horizontally arranged on the display board, and the electric wire is positioned right above the metal tray.
Compared with the prior art, the utility model discloses an electric wire overload simulation device, wherein the display board is vertically arranged, an electric appliance, an electric wire, an ammeter and a metal tray are arranged on the display board, an electric wire is electrically connected in series between the electric appliance and an external power supply, overload fusing of the electric wire can be realized by adjusting the electric power of the electric appliance, a tester can clearly observe the phenomenon of fusing of the electric wire, and meanwhile, the ammeter is designed to observe and record the magnitude of the electric current when fusing of the electric wire; the metal tray can hold the residue that drops when connecing the electric wire fusing, guarantees the safety of whole simulation process, avoids taking place the conflagration.
Preferably, the portable electronic device further comprises a first cover body, wherein one end of the first cover body is provided with an opening, the other end of the first cover body is closed, the opening end of the first cover body is fixed with a side plate surface of the display plate, a first abdicating hole, a second abdicating hole and a third abdicating hole are formed in the closed end of the first cover body, the electric appliance is arranged in the first abdicating hole, the switch is arranged in the second abdicating hole, and the ammeter is arranged in the third abdicating hole. The first cover body can protect the electric appliances fixed on the display board, and electric shock is avoided.
Preferably, the device further comprises a second cover body and a cover plate which are transparent, wherein two ends of the second cover body are open, one end of the second cover body is fixed with the outer side of the closed end of the first cover body, and the cover plate is detachably plugged at the other end of the second cover body; the ceramic wire holder, the electric wire and the metal tray are arranged on the inner side of the second cover body, the two ceramic wire holders are fixed with the closed end of the first cover body, and the metal tray is tightly placed on the lower inner side wall of the second cover body. The second cover body can shield the electric wires, so that external personnel can be accidentally injured when the electric wires are prevented from being overloaded and fused, and electric shock can be prevented.
Preferably, the upper side wall of the second cover body is provided with a smoke exhaust hole. The smoke generated when the electric wire is overloaded and fused and burns can be discharged from the smoke discharge hole.
Preferably, the display device further comprises an infrared temperature measurement sensor, wherein the infrared temperature measurement sensor is electrically connected with an external power supply and external display equipment, the infrared temperature measurement sensor is fixed on the display board and located on the inner side of the cover body, a fourth position yielding hole is formed in the first cover body, the fourth position yielding hole is located on the inner side of the second cover body, the detection end of the infrared temperature measurement sensor is located in the fourth position yielding hole, and the detection end of the infrared temperature measurement sensor is aligned with the electric wire. The infrared temperature sensor can perform non-contact temperature measurement on the electric wire and display the temperature on an external display device.
Preferably, the LED lamp further comprises a first lamp strip and a second lamp strip which are different in luminous color, wherein the first lamp strip and the second lamp strip are electrically connected with an external power supply, the first lamp strip is provided with one lamp strip, the second lamp strip is provided with two lamp strips, the outer side of the closed end of the first cover body is fixedly provided with the first lamp strip and the second lamp strip, the first lamp strip and the first wire are identical in arrangement shape and opposite in position, one lamp strip and the second wire are identical in arrangement shape and opposite in position, and the other lamp strip and the third wire are identical in arrangement shape and opposite in position. The first lamp strip and the second lamp strip can display the current flow direction of each electric appliance in the device.
Preferably, the rated power of the first wire, the second wire and the third wire is larger than the rated power of the electric appliance, and the rated power of the electric wire is smaller than the rated power of the electric appliance. The electric wire can be fused smoothly, and the first wire, the second wire and the third wire can be used safely.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall isometric view of a wire overload simulator;
fig. 2 is a front view of a wire overload simulator.
In the figure:
The display board 1, the electric appliance 2, the switch 3, the ammeter 4, the ceramic wire holder 5, the electric wire 6, the metal tray 7, the first cover 8, the second cover 9, the smoke exhaust hole 90, the infrared temperature sensor 10, the first lamp strip 11 and the second lamp strip 12.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses an electric wire overload simulation device, which is characterized in that a display board 1 is vertically arranged, a useful electric appliance 2, an electric wire 6, an ammeter 4 and a metal tray 7 are arranged on the display board 1, the electric wire 6 is electrically connected in series between the electric appliance 2 and an external power supply, overload fusing of the electric wire 6 can be realized by adjusting the electric power of the electric appliance 2, a tester can clearly observe the phenomenon of fusing of the electric wire 6, and meanwhile, the ammeter 4 is designed to observe and record the magnitude of current when the electric wire 6 fuses; the metal tray 7 can hold the residue which falls when the electric wire 6 is fused, so that the safety of the whole simulation process is ensured, and the fire disaster is avoided;
Through designing the first cover body 8, the first cover body 8 can cover the electric appliance 2, the switch 3 and the ammeter 4 which are fixed on the display board 1, and prevent the contact of an external person with the components from causing electric shock;
through designing the second cover body 9, the electric connection and thermal fusing of the electric wire 6 are all inside the second cover body 9, so that on one hand, electric shock caused by contact of external personnel can be prevented, and on the other hand, when the electric wire 6 is in overload fusing and burning, the external personnel cannot be influenced, and the safety of a simulation test is ensured;
By designing the infrared temperature sensor 10, the temperature change of the electric wire 6 can be known in real time in the process of increasing the current of the electric wire 6;
Through designing lamp area one 11 and lamp area two 12, lamp area one 11 and lamp area two 12 can clearly show the flow direction of electric current in the whole device, be convenient for suggestion and teaching.
Examples
Referring to fig. 1-2, which are schematic views of the whole and part of the structure of an embodiment of the present utility model, the present utility model specifically discloses an electric wire overload simulation device for simulating the temperature, fusing current and fusing phenomena of electric wires 6 of different materials and different cross-sectional areas when the power of an electric appliance 2 is too high;
The simulation device includes:
The display board 1 is vertically arranged, an electric appliance 2 with adjustable power is fixed on one side board surface of the display board 1, the electric appliance 2 in the embodiment is an electric heater, and the heating power of the electric heater is high and adjustable;
The overload simulation piece comprises a switch 3, an ammeter 4, a ceramic wire holder 5, an electric wire 6 and a metal tray 7;
The switch 3 and the ammeter 4 are both fixed on the display board 1, the ceramic wire holders 5 are provided with two and are both installed on the display board 1, and two ends of the electric wire 6 are respectively fixed with the two ceramic wire holders 5 and are electrically connected; the external power supply is connected with two input terminals of the switch 3, one output terminal of the switch 3 is electrically connected with one terminal of the electric appliance 2 through a first lead, the other output terminal of the switch 3 is electrically connected with one ceramic wire holder 5 through a second lead, the other ceramic wire holder 5 is electrically connected with the other terminal of the electric appliance 2 through a third lead, and the ammeter 4 is electrically connected in series with the second lead; the switch 3 can control whether the electric wire 6 and the electric appliance 2 are electrified or not, and the ammeter 4 can display the current when the electric wire 6 and the electric appliance 2 are electrified;
the metal tray 7 of rectangle is installed to the level on the show board 1, and metal tray 7 fire resistance is good, and electric wire 6 is located directly over metal tray 7, and when electric wire 6 takes place electric current overload and fuses the burning, metal tray 7 can hold the impurity that drops when electric wire 6 burns.
Further specifically, still include the first cover body 8 of rectangle, the first cover body 8 adopts black acrylic material to make, the first cover body 8 one end opening other end is sealed, the open end of the first cover body 8 is fixed with one side face of show board 1, the blind end of the first cover body 8 has been seted up and has been given position hole one, give position hole two and give position hole three, it has been arranged with electrical apparatus 2 to give position hole one, it has been arranged switch 3 to give position hole two, it has been arranged with ampere meter 4 to give position hole three, the first cover body 8 can prevent personnel's mistake to touch the internal circuit, prevent to electrocute, be convenient for the installation of follow-up pottery wiring seat 5 and the second cover body 9, simultaneously can improve whole device's aesthetic property.
The novel plastic cover comprises a cover body II and a cover plate, wherein the cover body II and the cover plate are transparent, two ends of the rectangular cover body II are open, one end of the cover body II is fixed with the outer side of the closed end of the cover body I8, the rectangular cover plate is detachably plugged at the other end of the cover body II, and the cover plate and the cover body II are connected in a hinged or plug-in mode; the ceramic wire holder 5, the electric wire 6 and the metal tray 7 are arranged on the inner side of the second cover body 9, the two ceramic wire holders 5 are fixed with the closed end of the first cover body 8, the metal tray 7 is tightly attached to the lower inner side wall of the second cover body 9, and when the electric wire 6 can be observed by naked eyes by external personnel, the second cover body 9 can shield the ceramic wire holder 5 and the electric wire 6, so that the electric shock and the influence on the external personnel caused by overload burning of the electric wire 6 are prevented, and the safety of the device is improved. The upper side wall of the second cover body 9 is provided with a smoke exhaust hole 90, and smoke generated when the electric wire 6 is fused can be exhausted from the smoke exhaust hole 90.
The infrared temperature measuring device further comprises an infrared temperature measuring sensor 10, wherein the infrared temperature measuring sensor 10 is electrically connected with an external power supply, the infrared temperature measuring sensor 10 is fixed on the display board 1 and is positioned on the inner side of the first cover body 8, the first cover body 8 is provided with a fourth yielding hole, the fourth yielding hole is positioned on the inner side of the second cover body 9, the detection end of the infrared temperature measuring sensor 10 is positioned at the yielding position Kong Sina, and the detection end of the infrared temperature measuring sensor 10 is aligned with the electric wire 6; the infrared temperature sensor 10 is utilized to perform non-contact temperature measurement on the electric wire 6, and the external display equipment can display the temperature of the electric wire 6 in real time, so that the temperature rise of the electric wire 6 and the magnitude of the electrified current can be conveniently studied in a correlation manner.
The LED lamp further comprises a first lamp strip 11 and a second lamp strip 12 with different luminous colors, the patterns of the first lamp strip 11 and the second lamp strip 12 are arrows, the first lamp strip 11 and the second lamp strip 12 are electrically connected with an external power supply, the first lamp strip 11 is provided with one lamp strip, the second lamp strip 12 is provided with two lamp strips, the outer side of the closed end of the cover body I8 is fixedly provided with the first lamp strip 11 and the second lamp strip 12, the first lamp strip 11 is identical to the first wire and is opposite to the first wire in position, the second lamp strip 12 is identical to the second wire in arrangement and is opposite to the second wire in position, and the second lamp strip 12 is identical to the third wire in arrangement and is opposite to the third wire in position; the first and second wires 11 and 12 can display the current flow directions of the first, second and third wires.
The rated power of the first wire, the second wire and the third wire is larger than that of the electric appliance 2, the rated power of the electric wire 6 is smaller than that of the electric appliance 2, the electric wire 6 can be smoothly overloaded and fused, and the first wire, the second wire and the third wire can be safely used.
When the device is used, the metal tray 7 and the electric wire 6 are firstly installed in place, then the cover plate is buckled, finally the switch 3 is opened, the power of the electric appliance 2 is adjusted until the electric wire 6 is overloaded and fused, and the ammeter 4 and the external display equipment can be observed in the process of improving the power of the electric appliance 2, so that the electrifying current of the electric wire 6 and the change of the temperature of the electric appliance can be obtained.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model. Thus, the present utility model 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 (7)
1. An electric wire overload simulation device, characterized by comprising:
the display board (1), the said display board (1) is arranged vertically, there are power adjustable electric appliances (2) on a side face of the said display board (1);
The overload simulation piece comprises a switch (3), an ammeter (4), a ceramic wire holder (5), wires (6) and a metal tray (7), wherein the switch (3) and the ammeter (4) are both fixed on the display board (1), the ceramic wire holders (5) are provided with two and are both installed on the display board (1), and two ends of each wire (6) are respectively fixed with the two ceramic wire holders (5) and are electrically connected; an external power supply is connected with two input terminals of the switch (3), one output terminal of the switch (3) is electrically connected with one terminal of the electric appliance (2) through a first lead, the other output terminal of the switch (3) is electrically connected with one ceramic wire holder (5) through a second lead, the other ceramic wire holder (5) is electrically connected with the other terminal of the electric appliance (2) through a third lead, and the ammeter (4) is electrically connected in series with the second lead; the metal tray (7) is horizontally arranged on the display board (1), and the electric wire (6) is positioned right above the metal tray (7).
2. The electric wire overload simulation device according to claim 1, further comprising a first cover body (8), wherein one end of the first cover body (8) is open, the other end of the first cover body is closed, the open end of the first cover body (8) is fixed with a side plate surface of the display plate (1), a first yielding hole, a second yielding hole and a third yielding hole are formed in the closed end of the first cover body (8), the electric appliance (2) is arranged in the first yielding hole, the switch (3) is arranged in the second yielding hole, and the ammeter (4) is arranged in the third yielding hole.
3. The electric wire overload simulation device according to claim 2, further comprising a second transparent cover body (9) and a cover plate, wherein two ends of the second transparent cover body (9) are open, one end of the second transparent cover body (9) is fixed to the outer side of the closed end of the first transparent cover body (8), and the cover plate is detachably plugged at the other end of the second transparent cover body (9); the ceramic wire holder (5), the electric wire (6) and the metal tray (7) are arranged on the inner side of the second cover body (9), the two ceramic wire holders (5) are fixed with the closed end of the first cover body (8), and the metal tray (7) is tightly attached to the lower inner side wall of the second cover body (9).
4. A wire overload simulator according to claim 3, wherein the upper side wall of the second cover (9) is provided with a smoke vent (90).
5. The electric wire overload simulation device according to claim 3, further comprising an infrared temperature measurement sensor (10), wherein the infrared temperature measurement sensor (10) is electrically connected with an external power supply and an external display device, the infrared temperature measurement sensor (10) is fixed on the display board (1) and located on the inner side of the first cover body (8), the fourth cover body (8) is provided with a fourth position-keeping hole, the fourth position-keeping hole is located on the inner side of the second cover body (9), the detection end of the infrared temperature measurement sensor (10) is located in the fourth position-keeping hole, and the detection end of the infrared temperature measurement sensor (10) is aligned with the electric wire (6).
6. The electric wire overload simulation device according to claim 2, further comprising a first lamp strip (11) and a second lamp strip (12) which are different in luminous color, wherein the first lamp strip (11) and the second lamp strip (12) are electrically connected with an external power supply, the first lamp strip (11) is provided with one lamp strip, the second lamp strip (12) is provided with two lamp strips, the first lamp strip (11) and the second lamp strip (12) are fixed on the outer side of the closed end of the first cover body (8), the first lamp strip (11) is identical to the first wire in arrangement shape and opposite to the first wire in position, one second lamp strip (12) is identical to the second wire in arrangement shape and opposite to the second wire in position, and the other second lamp strip (12) is identical to the third wire in arrangement shape and opposite to the third wire in position.
7. The electric wire overload simulation device according to claim 1, wherein the rated power of the first wire, the second wire and the third wire is larger than the rated power of the electric appliance (2), and the rated power of the electric wire (6) is smaller than the rated power of the electric appliance (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323579462.7U CN222028362U (en) | 2023-12-27 | 2023-12-27 | A wire overload simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323579462.7U CN222028362U (en) | 2023-12-27 | 2023-12-27 | A wire overload simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222028362U true CN222028362U (en) | 2024-11-19 |
Family
ID=93439867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323579462.7U Active CN222028362U (en) | 2023-12-27 | 2023-12-27 | A wire overload simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222028362U (en) |
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2023
- 2023-12-27 CN CN202323579462.7U patent/CN222028362U/en active Active
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