CN213581309U - Tool for detecting internal network cable of explosion-proof frequency converter - Google Patents
Tool for detecting internal network cable of explosion-proof frequency converter Download PDFInfo
- Publication number
- CN213581309U CN213581309U CN202022676502.XU CN202022676502U CN213581309U CN 213581309 U CN213581309 U CN 213581309U CN 202022676502 U CN202022676502 U CN 202022676502U CN 213581309 U CN213581309 U CN 213581309U
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- cable
- network cable
- power supply
- emitting diode
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- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 claims abstract 8
- 238000004804 winding Methods 0.000 claims abstract 8
- 238000007689 inspection Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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Abstract
The utility model discloses an explosion-proof converter internal network cable detection tool, including winding displacement detection device box, switching power supply, detection circuitry of setting in detecting the box, switching power supply detection circuitry be equipped with reset switch, emitting diode and winding displacement seat, the winding displacement seat is including the winding displacement seat of direct connection network cable, the winding displacement seat of cross network cable, the winding displacement seat of direct connection network cable and direct connection instruct emitting diode to establish ties and the winding displacement seat of cross network cable and cross and instruct emitting diode to establish ties and then parallel connect to switching power supply again with the cross; the reset switch controls the wire arranging seats of the direct connection network cables and the wire arranging seats of the crossed network cables. The tool detects whether the network cable has open circuit or not and whether faults such as short circuit exist between four pairs of twisted pairs or not, and the like, so that the purposes of saving working hours and improving accuracy are achieved.
Description
Technical Field
The utility model relates to a detection device is exactly an explosion-proof converter internal network line detection instrument.
Background
In the production and quality inspection process, the problems of internal communication faults of some explosion-proof frequency converters can be solved, the communication between the machine core and the liquid crystal display screen and the communication between the liquid crystal display screen and the PLC are realized, the communication ports are usually connected through network cables, and when a fault range is determined, people need to plug and pull the network cables for many times to determine whether the network cables are normal. The inner space of the explosion-proof frequency converter is narrow, fault troubleshooting difficulty is increased, fault troubleshooting efficiency is affected, and stability of the equipment network cable socket is reduced to a certain extent.
The internal network cable detection tool of the anti-explosion frequency converter is required to be designed, is used in the production or quality inspection process and is used for detecting whether the network cable has open circuit or not and whether faults such as short circuit exist between four pairs of twisted pair network cables or not, and the working efficiency and the quality can be greatly improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an inside net twine of explosion-proof converter detects instrument, whether there is the circuit break in this instrument detects the net twine to and whether there are faults such as short circuit between four pairs of twisted pairs, reached save man-hour, improve the purpose of rate of accuracy.
In order to solve the above technical problem, the utility model discloses a following technical means:
a detection tool for network cables in an explosion-proof frequency converter comprises a cable arrangement detection device box, a switching power supply and a detection circuit, wherein the switching power supply and the detection circuit are arranged in the detection box; the reset switch controls the wire arranging seats of the direct connection network cables and the wire arranging seats of the crossed network cables.
When the utility model works, the switch power supply is electrified (the input alternating current is 220V, and the output direct current is 5V), and the power switch is pressed; the network cables to be tested are placed on the corresponding cable arranging seats of the network cables according to the corresponding connection modes, the reset switches are not loosened according to the length, the indicating lamps are always on to indicate that the network cables are qualified, the indicating lamps are not on to indicate that the network cables are not qualified, and the indicating lamps flash to indicate that the network cables are possibly in poor contact. The tool detects whether the network cable has open circuit or not and whether faults such as short circuit exist between four pairs of twisted pairs or not, and the like, so that the purposes of saving working hours and improving accuracy are achieved.
The further preferred technical scheme is as follows:
the switch power supply is provided with an indicating loop, and a current-limiting resistor, a power switch and a power indicating light-emitting diode are arranged in the indicating loop.
Through setting up the instruction return circuit, be convenient for show power operating condition.
The switching power supply detection circuit is provided with a direct connection network cable detection loop and a cross network cable detection loop.
The direct connection network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply, passes through a current-limiting resistor, a power switch and a reset switch, then passes through a first cable orange-white, a third cable green-white, a fifth cable blue-white and a seventh cable brown-white of the network cable in sequence, is connected with a light-emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange in sequence to return to a power negative electrode structure.
The cross network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply, passes through a current-limiting resistor, a power switch and a reset switch, then passes through a first cable orange-white, a third cable green-white, a fifth cable blue-white and a seventh cable brown-white of the network cable in sequence, is connected with a light-emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange in sequence to return to the negative electrode of the power supply.
The odd network cables are connected in series, and the even network cables are connected in series through the diodes, so that whether the network cables are broken or not can be detected in a series connection mode; the odd and even mesh wires are used to separate the twisted pairs, because short circuits are easily formed between the twisted pairs, and if any one of the four twisted pairs is short-circuited, the diode will not emit light.
Drawings
Fig. 1 is a flowchart of the procedure of the present embodiment.
Fig. 2 is a schematic circuit diagram of the scheme.
Fig. 3 shows two connection modes of the network cable.
Description of reference numerals: 1-a switching power supply; 2-a current limiting resistor; 3-a power switch; 4-power indication light emitting diode; 5-a reset switch; 6-a flat cable seat directly connected with the network cable; 7-direct connection indicating light emitting diode; 8-a flat cable seat for crossing the net wires; 9-cross indicating light emitting diodes.
Detailed Description
The present invention will be further described with reference to the following examples.
Referring to fig. 1-3, the tool for detecting the internal network cable of the explosion-proof frequency converter of the present invention comprises a cable arrangement detection device box, a switching power supply 1 disposed in the detection box, and a detection circuit; the detection circuit of the switching power supply 1 is provided with a reset switch 5, a light emitting diode and a wire arranging seat, wherein the wire arranging seat comprises a wire arranging seat 6 directly connected with a network cable and a wire arranging seat 8 crossed with the network cable, the wire arranging seat 6 directly connected with the network cable is connected with a direct connection indication light emitting diode 7 in series, and the wire arranging seat 8 crossed with the network cable is connected with a cross indication light emitting diode 9 in series and then connected to the switching power supply 1; the reset switch 5 controls the flat cable seat 6 of the direct connection network cable and the flat cable seat 8 of the cross network cable.
When the utility model works, the switch power supply 1 is electrified (the input alternating current is 220V, and the output direct current is 5V), and the power switch 3 is pressed; the network cables to be tested are placed on the corresponding cable arranging seats of the network cables according to the corresponding connection modes, the reset switches 5 are not loosened according to the length, the indicating lamps are always on to indicate that the network cables are qualified, the indicating lamps are not on to indicate that the network cables are not qualified, and the indicating lamps flash to indicate that the network cables are possibly in poor contact. The tool detects whether the network cable has open circuit or not and whether faults such as short circuit exist between four pairs of twisted pairs or not, and the like, so that the purposes of saving working hours and improving accuracy are achieved.
The further preferred technical scheme is as follows:
the switch power supply 1 is provided with an indicating loop, and a current-limiting resistor 2, a power switch 3 and a power indicating light-emitting diode 4 are arranged in the indicating loop.
Through setting up the instruction return circuit, be convenient for show power operating condition.
The detection circuit of the switching power supply 1 is provided with a direct connection network cable detection loop and a cross network cable detection loop.
The direct connection network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply 1, passes through a current limiting resistor 2, a power supply switch 3 and a reset switch 5, then passes through a first cable orange white, a third cable green white, a fifth cable blue white and a seventh cable brown white of the network cable in sequence, is connected with a light emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange again in sequence to return to a power supply negative electrode structure.
The cross network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply 1, passes through a current limiting resistor 2, a power supply switch 3 and a reset switch 5, then passes through a first cable orange-white, a third cable green-white, a fifth cable blue-white and a seventh cable brown-white of the network cable in sequence, is connected with a light emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange in sequence to return to the negative electrode of the power supply.
The odd network cables are connected in series, and the even network cables are connected in series through the diodes, so that whether the network cables are broken or not can be detected in a series connection mode; the odd and even mesh wires are used to separate the twisted pairs, because short circuits are easily formed between the twisted pairs, and if any one of the four twisted pairs is short-circuited, the diode will not emit light.
The detection process of this embodiment is as follows:
(1) network cable inspection by adopting a direct connection mode: the network cable is inserted into corresponding RJ45 sockets J1 and J2 according to the indication, 220V alternating current is accessed to output direct current 5V through a switch power supply 1DY1, a power switch 3SW1 is pressed, a power indication light emitting diode 4D1 is lightened, a reset switch 5SB1 is pressed to be not loosened, a direct connection indication light emitting diode 7D2 is normally lightened to indicate that the network cable is qualified, a direct connection indication light emitting diode 7D2 is not lightened to indicate that the bus cable is unqualified, an indicator light D2 flickers to indicate that the bus cable is possibly in poor contact, and SB1 is loosened to finish detection.
(2) Network cable inspection by adopting a cross connection mode: the network cable is inserted into corresponding RJ45 sockets J3 and J4 according to the indication, 220V alternating current is accessed to output direct current 5V through a switch power supply 1DY1, a power switch 3SW1 is pressed, a power indication light emitting diode 4D1 is lightened, a reset switch 5SB1 is pressed to be not loosened, a cross indication light emitting diode 9D2 is normally lightened to indicate that the network cable is qualified, a cross indication light emitting diode 9D2 is not lightened to indicate that the bus cable is unqualified, a cross indication light emitting diode 9D2 flickers to indicate that the bus cable is possibly in poor contact, and SB1 is loosened to finish detection.
(3) The circuit can be expanded according to needs, and a plurality of network cables can be detected simultaneously only by simply inserting the expansion module, so that the detection time is saved.
The utility model discloses whether exist in can being used to detect the net twine and open circuit to and whether have faults such as short circuit between four pairs of twisted pairs, just so can avoid carrying out loaded down with trivial details experiment completely and come the problem whether specific determination is the net twine, make the detection of net twine quick, accurate, saved man-hour, improved the rate of accuracy.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (5)
1. The utility model provides an inside net twine of explosion-proof converter detects instrument, includes winding displacement detection device box, sets up switching power supply, detection circuitry in detecting the box, its characterized in that: the switch power supply detection circuit is provided with a reset switch, a light-emitting diode and a wire arranging seat, wherein the wire arranging seat comprises a wire arranging seat directly connected with a network cable and a wire arranging seat crossed with the network cable, the wire arranging seat directly connected with the network cable is connected with the direct connection indicating light-emitting diode in series, and the wire arranging seat crossed with the network cable is connected with the cross indicating light-emitting diode in series and then connected to the switch power supply; the reset switch controls the wire arranging seats of the direct connection network cables and the wire arranging seats of the crossed network cables.
2. The tool for detecting the internal network cable of the explosion-proof frequency converter according to claim 1, is characterized in that: the switch power supply is provided with an indicating loop, and a current-limiting resistor, a power switch and a power indicating light-emitting diode are arranged in the indicating loop.
3. The tool for detecting the internal network cable of the explosion-proof frequency converter according to claim 1, is characterized in that: the switching power supply detection circuit is provided with a direct connection network cable detection loop and a cross network cable detection loop.
4. The tool for detecting the internal network cable of the explosion-proof frequency converter according to claim 3, is characterized in that: the direct connection network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply, passes through a current-limiting resistor, a power switch and a reset switch, then passes through a first cable orange-white, a third cable green-white, a fifth cable blue-white and a seventh cable brown-white of the network cable in sequence, is connected with a light-emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange in sequence to return to a power negative electrode structure.
5. The tool for detecting the internal network cable of the explosion-proof frequency converter according to claim 3, is characterized in that: the cross network cable detection loop is characterized in that 220V alternating current is input, 5V direct current is output through a switching power supply, passes through a current-limiting resistor, a power switch and a reset switch, then passes through a first cable orange-white, a third cable green-white, a fifth cable blue-white and a seventh cable brown-white of the network cable in sequence, is connected with a light-emitting diode in series, and then passes through an eighth cable brown, a sixth cable green, a fourth cable blue and a second cable orange in sequence to return to the negative electrode of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676502.XU CN213581309U (en) | 2020-11-18 | 2020-11-18 | Tool for detecting internal network cable of explosion-proof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676502.XU CN213581309U (en) | 2020-11-18 | 2020-11-18 | Tool for detecting internal network cable of explosion-proof frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581309U true CN213581309U (en) | 2021-06-29 |
Family
ID=76539455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022676502.XU Expired - Fee Related CN213581309U (en) | 2020-11-18 | 2020-11-18 | Tool for detecting internal network cable of explosion-proof frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581309U (en) |
-
2020
- 2020-11-18 CN CN202022676502.XU patent/CN213581309U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |