CN211180150U - Cable detection tool - Google Patents
Cable detection tool Download PDFInfo
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- CN211180150U CN211180150U CN201922072036.1U CN201922072036U CN211180150U CN 211180150 U CN211180150 U CN 211180150U CN 201922072036 U CN201922072036 U CN 201922072036U CN 211180150 U CN211180150 U CN 211180150U
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Abstract
The embodiment of the utility model provides a cable detects frock relates to and detects technical field, include: the expansion output module is provided with an output port which is in butt joint with the first ends of the cables to be detected; the expansion input module is provided with an input port which is in butt joint with the second ends of the cables to be detected; the main control module is respectively connected with the expansion output module and the expansion input module and is used for sequentially sending test signals to the first ends of the cables to be detected through the expansion output module, receiving response signals from the second ends of the corresponding cables to be detected through the expansion input module, and judging whether the cables to be detected are in misconnection or disconnection according to the test signals and the response signals; and a display module. The utility model discloses whether technical scheme can treat detection line cable misconnection and broken joint comparatively accurately and detect.
Description
Technical Field
The utility model relates to a detect technical field, particularly, relate to a cable detects frock.
Background
When the disconnection or wrong connection of the cable is detected, the buzzing gear of the universal meter is generally adopted for detection, the scheme needs two persons to cooperate, the efficiency is low, and missing detection and wrong detection are easy to occur.
Some wire calibrating devices in the related art mostly use relays, are large in size and heavy, can only detect on-off, cannot detect misconnection, are limited in functions, and are not visual enough in display.
How to rapidly and accurately know the disconnection and misconnection conditions of cables is a technical problem which needs to be solved urgently at present.
It should be noted that the information of the present invention in the above background section is only for enhancing the understanding of the background of the present invention, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a cable detects frock, and then comparatively accurately knows the disconnected joint and the misconnection condition of cable to a certain extent comparatively fast at least.
Other features and advantages of the invention will be apparent from the following detailed description, or may be learned by practice of the invention in part.
According to the embodiment of the utility model provides a cable detects frock, include: the expansion output module is provided with an output port which is in butt joint with the first ends of the cables to be detected; the expansion input module is provided with an input port which is in butt joint with the second ends of the cables to be detected; the main control module is respectively connected with the expansion output module and the expansion input module and is used for sequentially sending test signals to the first ends of the cables to be detected through the expansion output module, receiving response signals from the second ends of the corresponding cables to be detected through the expansion input module, and judging whether the cables to be detected are in misconnection or disconnection according to the test signals and the response signals; and the display module is connected with the main control module and used for displaying the judgment result of whether the main control module judges that the misconnection and the disconnection exist.
In some embodiments, the display module is a liquid crystal module.
In some embodiments, the master control module includes a microprocessor having an ARM architecture; the expansion output module comprises a plurality of first external application expansion chips; the expansion input module comprises a plurality of second external application expansion chips.
In some embodiments, the tool further comprises a human-computer interaction module, and the human-computer interaction module is connected with the main control module; the man-machine interaction module comprises a starting button, a reset button and a switching button.
In some embodiments, the tool further comprises a power supply module, which is used for converting 220V alternating current into 5V direct current to supply power to the expansion output module, the expansion input module, the main control module and the display module.
In some embodiments, the tool further comprises a tool housing, the tool housing is provided with a cavity for accommodating the expansion output module, the expansion input module and the main control module, an opening is formed in the tool housing, and the expansion output module and the expansion input module are connected with the cables to be detected through the opening.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
the utility model discloses an among the technical scheme that some embodiments provided, send test signal and receive answer signal through to a plurality of first ends that wait to detect the cable in proper order, judge a plurality of cables that wait exist the misconnection and the broken joint. Therefore, whether the cables to be detected are misconnected or disconnected can be detected accurately. In addition, the visual output of the detection result is realized, so that a detector can know the detection result more conveniently.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 schematically shows a block diagram of a cable inspection tool according to an embodiment of the present invention;
fig. 2 schematically shows according to the utility model discloses a circuit schematic diagram of cable detection frock
Fig. 3 schematically shows a front view of a cable inspection tool according to an embodiment of the present invention;
fig. 4 schematically illustrates a rear view of a cable inspection tool according to an embodiment of the present invention;
fig. 5 schematically illustrates a flow chart of a method for using the cable inspection tool according to an embodiment of the present invention;
fig. 6 schematically shows a flowchart of a method for using a cable inspection tool according to another embodiment of the present invention.
Detailed Description
Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". Other relative terms, such as "high," "low," "top," "bottom," "left," "right," and the like are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," and the like are used to denote the presence of one or more elements/components/parts; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
In the related art, cables include a plurality of cables, and the misconnection of two cables and more than two cables is called misconnection, such as correct splices 1-1 ', 2-2', and incorrect splices 1-2 ', 2-1'. The case of a broken line, i.e. a disconnection of 1 from 1 ', and an unreliable connection of the connection elements, is called a disconnection, as in the correct solution 1-1'.
When the cables are subjected to disconnection or misconnection detection, a universal meter is required to be manually used for detection or a line corrector with a relay is used for detection, the detection efficiency is low, the detection accuracy is low, and the detection result of the whole wire harness cannot be quickly obtained after the detection is finished.
For solving this technical problem, the embodiment of the utility model provides a cable detects frock and application method to the high-efficient accurate disconnected and wrong condition of connecing of waiting to detect the cable of knowing directly perceivedly.
As shown in fig. 1, the embodiment of the utility model provides a cable detects frock includes: an expansion output module 120 having an output port that is docked with a first end of the plurality of cables to be tested; an extended input module 130 having an input port to which second ends of the plurality of cables to be detected are docked; the main control module 110 is connected to the expansion output module 120 and the expansion input module 130, and configured to sequentially send a test signal to a first end of the cables to be detected through the expansion output module 120, receive a response signal from a second end of the corresponding cable to be detected through the expansion input module 130, and determine whether the cables to be detected are misconnected or disconnected according to the test signal and the response signal; and a display module 140 connected to the main control module 110 for displaying the judgment result of whether the main control module 110 judges the misconnection or the disconnection.
The utility model discloses among the technical scheme, the cable detects the frock is including extension output module, extension input module and main control module, and main control module control extension output module sends test signal to waiting to detect the cable to receive test signal's answer signal through extension input module, confirm according to test signal and answer signal and wait to detect the disconnected and wrong condition of connecing of cable, compare the cable detection scheme among the prior art, detection efficiency is higher and detection accuracy is higher.
In addition, this cable detects frock integrated level is higher, small in size to have display module, it is convenient to observe.
As shown in fig. 2, the core chip 210 of the main control module includes a microprocessor having an ARM architecture. Here, the microprocessor STM32F103 is selected as a core chip. The STM32F103 adopts a 32-bit ARM (Advanced RISC Machine) architecture, and the core of the chip is Cortex-M3, so that the chip has the advantages of high performance, low voltage, low power consumption, rich peripherals and the like, and is beneficial to improving the detection efficiency of the cable detection tool.
Because STM32F 103's I/O (input/output) mouth is not enough, the embodiment of the utility model provides an adopt outside application extension chip and STM32F103 cooperation to use. As shown in fig. 2, the expansion output module 120 expands the output port of the STM32F103 with a first external expansion chip 220, which may be 74hc 595. The expansion input module 130 expands the input port of the STM32F103 with a second external application expansion chip 230, which may be 74hc 165. The first external application expansion chip is connected with the core chip through a Serial peripheral Interface (Serial peripheral Interface), and the second external application expansion chip is connected with the core chip through a Serial peripheral Interface (Serial peripheral Interface).
74hc595 is an 8-bit serial input to parallel output shift register, which can be extended to 32 output ports by connecting three pins of a 4-chip cascade chipset to a microprocessor. 74hc165 is an 8-bit parallel-in/serial-out shift register, which is extended by 32 inputs by connecting three pins of a 4-chip cascade chipset to the microprocessor.
As shown in fig. 2, the display module is a liquid crystal module using a liquid crystal display screen 240, and the liquid crystal display screen may be a 12864 liquid crystal display screen.
The embodiment of the utility model provides an in, the cable detects frock still includes power module for convert the 220V alternating current into 5V direct current, for extension output module, extension input module, main control module and display module power supply.
As shown in fig. 3 and 4, the tool housing has a cavity for accommodating the expansion output module, the expansion input module and the main control module, an L CD (liquid crystal display) screen 301 and buttons are arranged on a front panel of the tool housing, an opening 401 is arranged on a rear panel of the tool housing, and the expansion output module and the expansion input module are connected with a plurality of cables to be detected through the openings.
The cable detection tool further comprises a human-computer interaction module, and the human-computer interaction module is connected with the main control module; the man-machine interaction module comprises a starting button, a reset button and a switching button. As shown in fig. 3, a start button 302, a reset button 303, and a switch button 304 are provided on the front panel of the tool case.
After the external cable connection is completed, the start button 302 is pressed to start the test, and the whole test process is less than 1 second.
When the presence of a cable disconnection or misconnection is found after the detection is completed, the reset button 303 may be pressed to perform troubleshooting.
The embodiment of the utility model provides an in cable detect frock is applicable to the cable of different grade type, can select the type of cable through switching button 304.
The cables to be detected are formed by a plurality of single cables, and as shown in fig. 2, cables with different wire numbers of the cables to be detected are connected between the node 1 and the node 1 ', between the node 2 and the node 2', between the node 3 and the node 3 ', … …, and between the node N and the node N'.
The liquid crystal display screen can display the type of the cable, the correct number of the points, the number of the wrong lines, the line number of the wrong lines, the number of the broken lines and the line number of the broken lines.
As shown in fig. 4, a power switch 402 and a power socket 403 are further disposed on the rear panel of the tool housing. The number of the pin points connected with the expansion output module can meet the maximum 100 output ports, and the number of the pin points connected with the expansion input module can meet the maximum 100 output ports.
The utility model discloses cable detects frock sends test signal to a plurality of first ends that wait to detect the cable in proper order through extension output module to receive the answer signal that comes from the second end that waits to detect the cable that corresponds through extension input module, whether there is wrong joint and breaking joint in order to judge to detect the cable. Therefore, whether the cables to be detected are misconnected or disconnected can be detected accurately. In addition, the visual output of the detection result is realized through the display module, so that a detector can know the detection result more conveniently.
As shown in fig. 5, an embodiment of the present invention provides a method for using a cable detection tool, including:
and step S502, sequentially sending test signals to the first ends of the cables to be detected through the expansion output module.
And step S504, receiving the response signal from the second end of the corresponding cable to be detected through the expansion input module.
And step S506, judging whether the cable to be detected has misconnection and disconnection according to the test signal and the response signal, and displaying.
The utility model discloses among the technical scheme, send test signal to waiting to detect the cable through extension output module to receive test signal's answer signal through extension input module, confirm according to test signal and answer signal and wait to detect the disconnected and wrong condition of connecing of cable, compare the cable detection scheme among the prior art, detection efficiency is higher and the detection accuracy is higher, and can show testing result, convenient to use.
The cable detection tool software part mainly comprises a main program, a liquid crystal display program, a peripheral program, an external input and output processing program, an interrupt control program and the like.
When the disconnection or misconnection occurs, the fault can be quickly eliminated according to the error points counted by the line calibration table. The calibration table is a table in which the corresponding relation between the error point and the fault position is stored, and can be used for troubleshooting.
In step 502, a high level signal is sent to a first end of a first cable of the cables to be detected, and a low level signal is sent to first ends of other cables of the cables to be detected.
In step S504, a response signal to the test signal transmitted in step S502 is received.
In step S506, whether the cables to be detected have misconnection and disconnection is determined according to the following rules: when the answer signal from the second end of the first cable is in a high level and the answer signals from the second ends of other cables are in a low level, determining that the first cable is connected correctly; determining that the first cable and the second cable are misconnected when the answer signal from the second end of the first cable is at a low level and the answer signal from the second end of the second cable of the other cables is at a high level; and determining that the first cable is disconnected when the answer signal from the second end of the first cable and the answer signals from the second ends of the other cables are both low level.
In step S506, a display signal is generated according to the determination result and is sent to the display module.
Here, step S502 and step S504 need to be performed in order for each cable. In step S506, the test signal and the response signal recorded in step S502 and step S504 are sequentially executed multiple times, so that the determination result of each cable can be obtained and displayed in the display module.
As shown in fig. 6, in the use process of the cable detection tool according to an embodiment of the present invention, the following steps may be performed:
step S601, connecting an external cable to be tested.
Step S602, power is manually turned on.
Step S603, the cable detection tool loads a start screen.
Step S604, the cable detection tool is self-checked.
Step S605, ready.
Step S606, the number of cores of the cable to be detected, i.e., the number of cables, is set.
In step S607, the start button is manually pressed to start cable detection.
Step S608, the main chip of the cable detection tool establishes communication with the expansion chip.
And step S609, outputting a high level through an expansion output i port of the cable detection tool. Here, after the cables are numbered, the expansion output i port and the expansion input j port are connected to both ends of the cable with the line number i. Where i and j are natural numbers greater than 1.
In step S610, it is determined whether the extended input j-port detects a high level. If not, go to step S611, and if yes, go to step S612.
Step S611, determining that the ith cable is disconnected.
In step S612, it is determined whether i is equal to j. If not, step S613 is executed, and if yes, step S614 is executed.
In step S613, when i ≠ j, the ith cable and the jth cable are misconnected.
In step S614, if i is equal to j, the i-th cable is correctly connected.
In step S615, i and j are each incremented by 1.
In step S616, it is determined whether i is greater than the total number x of cables.
And if i is larger than the total number x of the cables, finishing the detection.
If i is not greater than the total number x of cables, go back to step S609.
The display screen may display the detection result of the cable to be detected, for example, when there is no disconnection or misconnection, the displayed detection result may be: the detection points of the cable to be detected are all 30 correct points, 0 line is staggered, and 0 line is broken.
When there is no misconnection and there is disconnection of one cable, the displayed detection result may also be: the correct number of the cables to be detected is 29, the wrong number of the cables is 0, the broken number of the cables is 1, and the number of the cables is 19.
The utility model discloses cable detects application method of frock through in proper order to a plurality of first ends that wait to detect the cable send test signal and receive answer signal, judges it has misconnection and disconnection and demonstration to wait to detect the cable. Therefore, whether the cables to be detected are misconnected or disconnected can be detected accurately. In addition, the visual output of the detection result is realized, so that a detector can know the detection result more conveniently.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments, and the features discussed in connection with the embodiments are interchangeable, if possible. In the description above, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Claims (6)
1. The utility model provides a cable detects frock which characterized in that includes:
the expansion output module is provided with an output port which is in butt joint with the first ends of the cables to be detected;
the expansion input module is provided with an input port which is in butt joint with the second ends of the cables to be detected;
the main control module is respectively connected with the expansion output module and the expansion input module and is used for sequentially sending test signals to the first ends of the cables to be detected through the expansion output module, receiving response signals from the second ends of the corresponding cables to be detected through the expansion input module, and judging whether the cables to be detected are in misconnection or disconnection according to the test signals and the response signals; and
and the display module is connected with the main control module and used for displaying the judgment result of whether the main control module judges that the misconnection and the disconnection exist.
2. The tool according to claim 1, wherein the display module is a liquid crystal module.
3. The tool of claim 1, wherein the master control module comprises a microprocessor having an ARM architecture; the expansion output module comprises a plurality of first external application expansion chips; the expansion input module comprises a plurality of second external application expansion chips.
4. The tool according to claim 1, further comprising a human-computer interaction module, wherein the human-computer interaction module is connected with the main control module;
the man-machine interaction module comprises a starting button, a reset button and a switching button.
5. The tool according to claim 1, further comprising a power supply module for converting 220V AC power into 5V DC power to supply power to the expansion output module, the expansion input module, the main control module and the display module.
6. The tooling of claim 1, further comprising a tooling housing, wherein the tooling housing has a cavity for accommodating the expansion output module, the expansion input module and the main control module, the tooling housing is provided with an opening, and the expansion output module and the expansion input module are connected with the plurality of cables to be detected through the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072036.1U CN211180150U (en) | 2019-11-26 | 2019-11-26 | Cable detection tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072036.1U CN211180150U (en) | 2019-11-26 | 2019-11-26 | Cable detection tool |
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| CN211180150U true CN211180150U (en) | 2020-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749844A (en) * | 2019-11-26 | 2020-02-04 | 同方威视科技江苏有限公司 | Cable detection tool and using method thereof |
| CN115508741A (en) * | 2022-08-23 | 2022-12-23 | 重庆编福科技有限公司 | Electrical connection cable detection system and method |
-
2019
- 2019-11-26 CN CN201922072036.1U patent/CN211180150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749844A (en) * | 2019-11-26 | 2020-02-04 | 同方威视科技江苏有限公司 | Cable detection tool and using method thereof |
| CN115508741A (en) * | 2022-08-23 | 2022-12-23 | 重庆编福科技有限公司 | Electrical connection cable detection system and method |
| CN115508741B (en) * | 2022-08-23 | 2024-02-13 | 重庆编福科技股份有限公司 | Electrical connection cable detection system and method |
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