CN210572680U - Physical laboratory signal test experimental box - Google Patents
Physical laboratory signal test experimental box Download PDFInfo
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- CN210572680U CN210572680U CN201920877056.3U CN201920877056U CN210572680U CN 210572680 U CN210572680 U CN 210572680U CN 201920877056 U CN201920877056 U CN 201920877056U CN 210572680 U CN210572680 U CN 210572680U
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Abstract
The utility model discloses a signal testing experimental box for a physical laboratory, which comprises a box body and a cover body, wherein the upper part of the box body comprises two parts, the part close to the inner side is provided with a rectangular groove, a plurality of signal indicating lamps are arranged in the groove, the part surface close to the outer side is provided with a plurality of control buttons, and each control button corresponds to one signal indicating lamp; the front surface of the box body is provided with a signal line interface; a test circuit and a power supply are arranged in the box body; the test circuit is respectively connected with the power supply and the signal line interface, connects the signal line to the corresponding signal line interface, and tests the signal line through the switch control button. This device simple structure, the simple operation as long as insert the signal input port of this device with signal line both ends, open the switch, observe the pilot lamp, can differentiate the break-make of signal line, the connection condition, the type etc. has practiced thrift the time, has avoided taking wrong signal line, and waste time has improved operating personnel's work efficiency.
Description
Technical Field
The utility model discloses a signal test experimental box, concretely relates to physics laboratory signal testing arrangement belongs to teaching aid application.
Background
At present, the following problems generally exist in the classroom of physical experiment teaching:
1. the media experiment refers to that a student looks at an experiment through media, and some experiments which can be originally done by the student are displayed by multimedia, which is called as the application of modern technology.
2. Although students are in the hands, the students mainly use simple mechanical operation, and operate according to the experiment purpose, equipment and steps explained by teachers, like broadcasting operation, and according to the specified steps to acquire the experiment data (or experiment results) required by teachers (or books), without considering why the experiment needs to be done, how to do, what problems may exist in the experiment and how to solve the problems.
3. The students use the pen to do experiments, a large number of experimental test questions compiled by teachers not only increase the burden of the students in the academic industry, but also contort the enthusiasm of the students in practice, so that the experimental teaching is deeper and deeper in the puddle to be tested.
The problems in the teaching of the physical experiment are reflected to a certain extent. In the past, the enthusiasm of students for experimental study is bound to be inhibited, experimental teaching is in a form, and the students can do half the effort and even do nothing.
Therefore, whether to change the learning mode of the physical experiment of the student by improving the experimental device and the experimental environment or not is promoted, so that the experimental teaching is out of the predicament, and the problem to be solved urgently in the physical experiment is solved.
The signal line, as the simplest and least indispensable electric connection device, has a physical connection that greatly affects the on-off of signals, and is crucial in physical experiments and even applications, and ensuring the connectivity of the signal line is the primary task to ensure the success of any experiment, and therefore, effective testing of various signal lines is required. However, in reality, the signal testing device is not a common device, and a universal meter is mainly used for testing on and off when testing the signal line.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a physics laboratory signal test experimental box, but the type of quick test signal line break-make, signal line, through the classification of pilot lamp pilot signal line, effectively solved among the prior art signal line standard differ but do not have the problem of the audio-visual signal line testing arrangement of easy operation.
In order to solve the technical problem, the technical scheme of the utility model is that:
a signal testing experimental box for a physical laboratory comprises a box body and a cover body, wherein the upper part of the box body comprises two parts, a part close to the inner side is provided with a rectangular groove, a plurality of signal indicating lamps are arranged in the groove, a part close to the outer side is provided with a plurality of control buttons, and each control button corresponds to one signal indicating lamp; the front surface of the box body is provided with a signal line interface; a test circuit and a power supply are arranged in the box body; the test circuit is respectively connected with the power supply and the signal line interface, connects the signal line to the corresponding signal line interface, and tests the signal line through the switch control button.
The testing circuit comprises n control buttons and 2n signal indicating lamps, the signal line interfaces are all arranged in pairs, one control button, an adjustable resistor and one signal indicating lamp are sequentially connected between each port of one signal line interface and the positive pole of the power supply in series, and one signal indicating lamp is connected between each port of the other signal line interface and the negative pole of the power supply in series.
The control button is a knob switch and is connected with the adjusting end of the adjustable resistor.
The signal indicator lamps connected with each port of the same signal line interface are sequentially arranged in one row according to the port numbers, and the indicator lamps connected with the same pair of signal line interfaces are arranged in two adjacent rows.
The signal indicator lamps connected with each pair of signal line interfaces are of two colors, wherein the indicator lamps connected with the same signal line interface are of the same color.
One row of indicator lights are red light emitting diodes, and the other row of indicator lights are green light emitting diodes.
The signal line interface comprises a network cable interface and a flat cable interface.
Two sides of the box body are provided with heat radiating devices.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this device simple structure, the simple operation as long as insert the signal input port of this device with signal line both ends, open the switch, observe the pilot lamp, can differentiate the break-make of signal line, the connection condition, the type etc. has practiced thrift the time, has avoided taking wrong signal line, and waste time has improved operating personnel's work efficiency.
(2) The testing circuit is simple, the signal line can be tested only by the resistor, the light emitting diode and the additional battery for power supply, safety and reliability are realized, and cost is saved.
(3) The standard of the signal line is indicated through the indicator lamps of different colors, and the brightness of the indicator lamps is adjusted through the knob, so that the indicator lamp is clear, concise and clear at a glance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Wherein, the labels in the figure are: 1-a box body; 2-a cover body; 3-a control button; 4-an indicator light; 5-network cable interface; 6-first signal line interface; 7-a second signal line interface; 8-a fan.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and embodiments:
a signal testing experimental box for a physical laboratory comprises a box body and a cover body, wherein the upper part of the box body comprises two parts, a part close to the inner side is provided with a rectangular groove, a plurality of signal indicating lamps are arranged in the groove, a part close to the outer side is provided with a plurality of control buttons, and each control button corresponds to one signal indicating lamp; the front surface of the box body is provided with a signal line interface; a test circuit and a power supply are arranged in the box body; the test circuit is respectively connected with the power supply and the signal line interface, connects the signal line to the corresponding signal line interface, and tests the signal line through the switch control button.
As shown in fig. 1 and 2:
a signal testing experimental box for a physical laboratory comprises a box body 1 and a cover body 2, wherein the upper part of the box body 1 comprises two parts, a part close to the inner side is provided with a rectangular groove, a plurality of signal indicating lamps 4 are arranged in the groove, a part close to the outer side is provided with a plurality of control buttons 3, and each control button 3 corresponds to one signal indicating lamp 4; the front surface of the box body is provided with a signal line interface; a test circuit and a power supply are arranged in the box body; the testing circuit is respectively connected with a power supply and signal line interfaces, the signal lines are connected to corresponding signal line interfaces, and the signal lines are tested through the switch control buttons, in the embodiment, the signal line interfaces comprise three types which are respectively a network line interface 5, a first signal line interface 6 and a second signal line interface 7, wherein the first signal line interface 6 can be a DIV signal line interface or a flat cable interface, and the second signal line interface 7 is a compatible flat cable interface and can compatibly test flat cables with various specifications.
The test circuit comprises n control buttons and 2n signal indicator lamps, the signal line interfaces are all arranged in pairs, wherein n is a positive integer, a control button, an adjustable resistor and a signal indicator lamp are sequentially connected in series between each port of one signal line interface and the positive pole of a power supply, a signal indicator lamp is sequentially connected in series between each port of the other signal line interface and the negative pole of the power supply, only a pair of 8-way signal line interfaces is taken as an example for illustration in the embodiment, the control buttons S1 to S8, the adjustable resistor and the signal indicator lamps D1 to D8 are sequentially connected in series between each port of one of the 8-way signal line interfaces and the positive pole of the power supply, and the signal indicator lamps D9 to D16 are sequentially connected in series between each port of the other signal line interface and the negative pole of the power supply.
The control button is a knob switch and is connected with the adjusting end of the adjustable resistor.
The signal indicator lamps connected with each port of the same signal line interface are sequentially arranged in one row according to the port numbers, and the indicator lamps connected with the same pair of signal line interfaces are arranged in two adjacent rows.
The signal indicator lamps connected with each pair of signal line interfaces are of two colors, wherein the indicator lamps connected with the same signal line interface are of the same color.
One row of indicator lights are red light emitting diodes, and the other row of indicator lights are green light emitting diodes.
The signal line interface comprises a network cable interface and a flat cable interface.
Two sides of the box body are both provided with heat dissipation devices, and the heat dissipation devices are fans 8.
The power supply of the device adopts a direct current power supply or a battery.
In the concrete embodiment, according to the method,
the application method of the device is described by taking a network cable interface as an example.
The signal transmission network cable generally adopts two types of standards, namely a B mark and a C mark in the industry for short, the B mark is generally defined as a straight-through network cable, the line sequence arrangement of the crystal heads at two ends is the same, the C mark is a network cable with a cross line in the middle, and the line sequence arrangement of the crystal heads at two ends is inconsistent.
From the outward appearance, it is difficult to judge whether B mark signal line or C mark signal line, in the time of using, often can take the mistake easily, then trade a net twine, it can be correct to take to change many times sometimes, operating personnel does not notice what kind of standard's signal line of taking, connect the back, the display screen can not normally show, then, operating personnel will begin the debugging from control system, it is the net twine mistake finally to discover, like this, can waste a lot of time, can influence the user under the urgent condition and use the display screen, cause unnecessary loss.
The school laboratory is used as a learning place and lays a solid foundation for students to enter the society later, so that the technology in the fields of industrial fields, production lines and the like is very important when the laboratory is contacted.
At present, manufacturers do not have a good method for distinguishing signal lines with different standards, and only people can make marks and store the signal lines in a warehouse in a classified manner.
At present, most display screen manufacturers use the network cable as the signal line, face the crystal head metal sheet to oneself (little tail is on the back, down), from left to right line sequence, the B mark signal line is straight line, the line sequence at both ends is unanimous, specifically as follows: green white, green, orange white, blue white, orange, brown white, brown.
The C mark signal line is the cross line, and both ends line sequence is inconsistent, and one of them end line sequence is: green white, green, orange white, blue white, orange, brown white, brown, the other end has the sequence: orange white, orange, green white, blue white, green, brown white, brown.
The specific operation process of the device is as follows:
insert two net twine ports respectively with the both ends of net twine, press corresponding control button in proper order, observe first row pilot lamp and the state of lighting of second row pilot lamp, if first row and second row pilot lamp are all the one-to-one from first and light in proper order, then the signal line that tests is B mark signal line, if first row pilot lamp is not the one-to-one with the second row pilot lamp and lights, then the signal line that tests is C mark signal line, the device simple structure, convenient operation, and can test out the standard of signal line fast, the time has been practiced thrift, and the work efficiency is improved. Has good popularization and application value.
The above embodiment only applies the network cable test to illustrate the using method and process of the device, and the other ports operate in a similar manner, and only the corresponding signal cable needs to be inserted into the corresponding port and operated by the control button.
The brightness of the signal indicating lamp can be adjusted through the adjusting knob, so that the test effect can be more visually seen.
Claims (8)
1. A signal testing experimental box for a physical laboratory is characterized in that: the multifunctional portable box comprises a box body and a cover body, wherein the upper part of the box body comprises two parts, a rectangular groove is formed in the part close to the inner side, a plurality of signal indicating lamps are arranged in the groove, a plurality of control buttons are arranged on the surface of the part close to the outer side, and each control button corresponds to one signal indicating lamp; the front surface of the box body is provided with a signal line interface; a test circuit and a power supply are arranged in the box body; the test circuit is respectively connected with the power supply and the signal line interface, connects the signal line to the corresponding signal line interface, and tests the signal line through the switch control button.
2. The physical laboratory signal testing laboratory box of claim 1 wherein: the testing circuit comprises n control buttons and 2n signal indicating lamps, the signal line interfaces are all arranged in pairs, one control button, an adjustable resistor and one signal indicating lamp are sequentially connected between each port of one signal line interface and the positive pole of the power supply in series, and one signal indicating lamp is connected between each port of the other signal line interface and the negative pole of the power supply in series.
3. The physical laboratory signal testing laboratory box of claim 2 wherein: the control button is a knob switch and is connected with the adjusting end of the adjustable resistor.
4. The physical laboratory signal testing laboratory box of claim 2 wherein: the signal indicator lamps connected with each port of the same signal line interface are sequentially arranged in one row according to the port numbers, and the indicator lamps connected with the same pair of signal line interfaces are arranged in two adjacent rows.
5. The physical laboratory signal testing laboratory box of claim 4 wherein: the signal indicator lamps connected with each pair of signal line interfaces are of two colors, wherein the indicator lamps connected with the same signal line interface are of the same color.
6. The physical laboratory signal testing laboratory box of claim 5 wherein: one row of indicator lights are red light emitting diodes, and the other row of indicator lights are green light emitting diodes.
7. The physical laboratory signal testing laboratory box of claim 1 wherein: the signal line interface comprises a network cable interface and a flat cable interface.
8. The physical laboratory signal testing laboratory box of claim 1 wherein: two sides of the box body are provided with heat radiating devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877056.3U CN210572680U (en) | 2019-06-12 | 2019-06-12 | Physical laboratory signal test experimental box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877056.3U CN210572680U (en) | 2019-06-12 | 2019-06-12 | Physical laboratory signal test experimental box |
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| CN210572680U true CN210572680U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275083A (en) * | 2019-06-12 | 2019-09-24 | 苏州迪芬德物联网科技有限公司 | A kind of physics laboratory's signal testing experimental box |
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2019
- 2019-06-12 CN CN201920877056.3U patent/CN210572680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275083A (en) * | 2019-06-12 | 2019-09-24 | 苏州迪芬德物联网科技有限公司 | A kind of physics laboratory's signal testing experimental box |
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