CN217034164U - Intelligent batch detection device for wires for electrician experiments - Google Patents
Intelligent batch detection device for wires for electrician experiments Download PDFInfo
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- CN217034164U CN217034164U CN202220462202.8U CN202220462202U CN217034164U CN 217034164 U CN217034164 U CN 217034164U CN 202220462202 U CN202220462202 U CN 202220462202U CN 217034164 U CN217034164 U CN 217034164U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent batch detection device for wires for an electrical experiment, which relates to the technical field of electrical experiment equipment and comprises a box body, wherein a plurality of groups of symmetrical grooves are formed in two sides of the box body; the wiring terminals are respectively arranged in the grooves, each wiring terminal comprises two wiring terminals fixedly arranged in the grooves, and the two wiring terminals are arranged in a V shape; the main control board is arranged in the box body and comprises a microprocessor, an analog-to-digital converter and multi-component voltage resistors, wherein the analog-to-digital converter and the multi-component voltage resistors are connected with the microprocessor; the state display module is arranged on the front side of the box body and comprises a liquid crystal display screen and a plurality of groups of indicator lamps symmetrically arranged on two sides of the liquid crystal display screen, and the state display module is electrically connected with the microprocessor. The utility model can greatly improve the wire detection speed of an electrical laboratory, and simultaneously, the accuracy of measuring the wire damage degree by a measurer is improved due to intelligent detection.
Description
Technical Field
The utility model relates to the technical field of electrical experiment equipment, in particular to an intelligent batch detection device for a lead for electrical experiments.
Background
The electrician experiment is an important practice link for electrical course teaching in the department of industry. The student needs to connect the circuit according to the experiment content in electrician's experiment, in practice, because connecting wire exists inside and switches on badly or the broken string, often leads to experimental data or experimental phenomenon unusual, often needs the experiment to guide the supplementary investigation of accomplishing the experiment trouble of teacher this moment, not only wastes time and energy, simultaneously because the experiment is not consistent, the experiment effect is also not ideal, influences the student to the grasp of knowledge.
If require the student to detect whether intact all connecting wires before the experiment, can influence the experiment progress, and require the teacher to detect all connecting wires one by one before the experiment, can only detect with the help of the ohm measurement table, work load is big and inefficiency, can't guarantee detection effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an intelligent batch detection device for wires for electrician experiments, which can solve the problems in the prior art.
The utility model provides an intelligent batch detection device for wires for electrician experiments, which comprises:
the box body is provided with a plurality of groups of symmetrical grooves on two sides;
the wiring terminals are respectively arranged in the grooves, each wiring terminal comprises two wiring terminals fixedly arranged in the grooves, and the two wiring terminals are arranged in a V shape;
the main control board is arranged in the box body and comprises a microprocessor, an analog-to-digital converter and a plurality of groups of voltage dividing resistors, wherein the analog-to-digital converter and the plurality of groups of voltage dividing resistors are connected with the microprocessor;
the state display module is arranged on the front surface of the box body and comprises a liquid crystal display screen and a plurality of groups of indicator lamps symmetrically arranged on two sides of the liquid crystal display screen, and the state display module is electrically connected with the microprocessor.
Preferably, each of the terminals is a metal contact base.
Preferably, the analog-to-digital converter is in the model of ADC 0809.
Preferably, the indicator light is a three-color LED light.
Preferably, the liquid crystal display screen is used for displaying the state and the resistance value of the tested lead.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the traditional wire detection method, the intelligent batch detection of 8 wires can be realized, the batch quantity can be expanded according to needs, the device can greatly improve the speed of detecting the wires in an electrical laboratory, and meanwhile, the accuracy of measuring the wire damage degree by a measurer is improved due to intelligent detection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an intelligent batch detection device for electrical experiment leads according to the present invention;
fig. 2 is a schematic circuit diagram of an intelligent batch lead detection device for electrical experiments according to the present invention.
In the figure: the device comprises a box body 1, a groove 2, a wiring terminal 3, an analog-to-digital converter 4, a microprocessor 5, a divider resistor 6, a liquid crystal display 7 and an indicator light 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides an intelligent batch detection device for wires for electrician experiments, which comprises a box body 1, wherein a plurality of groups of symmetrical grooves 2 are formed in two sides of the box body 1, a group of wiring terminals are arranged in each groove 2, two wiring terminals on the same level are a measurement group and are connected with two ends of a conductor to be detected, each group of wiring terminals comprises two wiring terminals 3 fixedly arranged in the grooves 2, each wiring terminal 3 is a metal contact base, and the two wiring terminals 3 are arranged in a V shape so as to be convenient for clamping the wires of plugs with different specifications.
In this example, the box body 1 is provided with 8 groups of symmetrical grooves 2 altogether, 8 groups of symmetrical wiring ends, 16 wiring terminals, and 8 wires can be detected simultaneously.
A main control board is arranged in the box body 1, an analog-to-digital converter 4, a microprocessor 5 and a multi-component voltage resistor 6 are arranged on the main control board, the analog-to-digital converter 4 is electrically connected with the microprocessor 5, and the multi-component voltage resistor 6 is respectively electrically connected with a plurality of groups of wiring terminals.
In this example, there are 8 sets of symmetrical voltage dividing resistors 6, including a left side voltage dividing resistor and a right side voltage dividing resistor. The voltage source, 8 groups of left-side voltage-dividing resistors, 8 groups of terminals and 8 groups of right-side voltage-dividing resistors are sequentially connected to form a main measuring circuit of the device.
The front of the box body 1 is provided with a state display module, the state display module comprises a liquid crystal display screen 7 and a plurality of groups of indicator lamps 8 which are symmetrically arranged at two sides of the liquid crystal display screen 7, and the liquid crystal display screen 7 is used for displaying the state and the resistance of a tested wire. The status display module is electrically connected with the microprocessor 5.
In this example, the main circuit, the analog-to-digital converter 4, the microprocessor 5 and the status display module constitute all of the apparatus. When the wire is connected to the measuring circuit, the state of the wire can be judged by detecting the voltage of the right divider resistor, and the voltage is input to the analog-to-digital converter 4 and processed by the microprocessor 5, so that the state of the wire can be displayed in the state display module finally. When the wire is connected, the resistance of the wire obtained by detecting the voltage is as follows:
wherein: u is the supply voltage, U1To detect the resulting voltage, R1Is a left side divider resistor, R2Is a voltage dividing resistor on the right side.
By the formula, the resistance value of the wire can be obtained, and then the state of the wire is obtained through the analog-to-digital converter 4 and the microprocessor 5 and is respectively output and displayed on the liquid crystal display 7.
In this example, the a/D converter ADC0809 is used as the a/D converter 4 in the main control board, and an 8-channel multi-way switch is provided therein, which can latch the decoded signal according to the address code and gate one of the 8 analog input signals for a/D conversion.
In this example, the indicator light 8 is a 0603 model three-color LED light, different states of the wire can be obtained through different colors of the LED, green indicates that the wire is normal, blue indicates that the wire is partially damaged, and red indicates that the wire is broken. The LED lamp displays corresponding colors of the resistance states under the control of the analog-to-digital converter 4 and the microprocessor 5.
Example 1
Taking eight detecting wires as an example, a direct current voltage source is set to be 5V, and each of the left voltage dividing resistor and the right voltage dividing resistor is a 1k omega high-precision sampling resistor.
The eight wires are respectively and conveniently connected into the wiring terminals of the device, and are numbered from top to bottom as 1-8.
Turning on a direct-current power switch, leading out voltage from the front side of 8 divider resistors on the right side, and if the lead is not damaged, namely the lead resistor is 0, obtaining the voltage of a leading-out point to be 2.5V by a resistor voltage division principle; if the wire is completely damaged, namely the resistance of the wire is infinite, the voltage of the leading-out point is 0V; if the wire part is damaged, namely the wire resistance is between 0 and positive infinity, the voltage of the leading-out point is between 0 and 2.5V.
The leading-out voltage of the front side of the right 8 divider resistors is processed by the analog-to-digital converter 4 and the microprocessor 5, and the three wire damage conditions of the 8 wires are respectively displayed on the liquid crystal display screen 7 in different colors of character display and three-color LED lamps.
When the voltage of the leading-out point is 2.5V, the liquid crystal display screen 7 displays that the wire of the channel is normal, the resistance value is 0', and the three-color LED lamp is green;
when the voltage of the leading-out point is 0V, the liquid crystal display screen 7 displays that the wire of the channel is damaged, the resistance value is infinity, and the three-color LED lamp is red;
when the voltage at the leading-out point is greater than 0V and less than 2.5V, the liquid crystal display 7 displays that the wire part of the channel is damaged, the resistance value is ═ Ω ═ represents the resistance value measured by the wire of the channel, and the three-color LED lamp is blue.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a detection device is in batches with wire intelligence for electrician's experiments which characterized in that includes:
the box comprises a box body (1), wherein a plurality of groups of symmetrical grooves (2) are formed in two sides of the box body (1);
the wiring terminals are respectively arranged in the grooves (2), each wiring terminal comprises two wiring terminals (3) fixedly arranged in the grooves (2), and the two wiring terminals (3) are arranged in a V shape;
the main control board is arranged in the box body (1), the main control board comprises a microprocessor (5), and an analog-to-digital converter (4) and multi-group voltage dividing resistors (6) which are connected with the microprocessor (5), and the multi-group voltage dividing resistors (6) are respectively and electrically connected with the plurality of groups of terminals;
the state display module is arranged on the front surface of the box body (1), and comprises a liquid crystal display screen (7) and a plurality of groups of indicator lamps (8) which are symmetrically arranged on two sides of the liquid crystal display screen (7), and the state display module is electrically connected with the microprocessor (5).
2. The intelligent batch detection device for the wires for the electrician experiments as recited in claim 1, wherein each of the connection terminals (3) is a metal contact base.
3. The intelligent batch detection device for the wires for the electrician experiments as claimed in claim 1, wherein the analog-to-digital converter (4) is in a model number of ADC 0809.
4. The intelligent batch detection device for the wires for the electrician experiments as claimed in claim 1, characterized in that the indicator light (8) is a three-color LED lamp.
5. The intelligent batch detection device for the wires for the electrician experiments as claimed in claim 1, characterized in that the liquid crystal display (7) displays the state and the resistance value of the tested wires by text.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220462202.8U CN217034164U (en) | 2022-03-03 | 2022-03-03 | Intelligent batch detection device for wires for electrician experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220462202.8U CN217034164U (en) | 2022-03-03 | 2022-03-03 | Intelligent batch detection device for wires for electrician experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217034164U true CN217034164U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220462202.8U Expired - Fee Related CN217034164U (en) | 2022-03-03 | 2022-03-03 | Intelligent batch detection device for wires for electrician experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217034164U (en) |
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2022
- 2022-03-03 CN CN202220462202.8U patent/CN217034164U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220722 |
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| CF01 | Termination of patent right due to non-payment of annual fee |