CN109507514A - A kind of device line fault detection means and method - Google Patents
A kind of device line fault detection means and method Download PDFInfo
- Publication number
- CN109507514A CN109507514A CN201811286410.1A CN201811286410A CN109507514A CN 109507514 A CN109507514 A CN 109507514A CN 201811286410 A CN201811286410 A CN 201811286410A CN 109507514 A CN109507514 A CN 109507514A
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- Prior art keywords
- module
- code
- initial code
- receiving
- line fault
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
Abstract
The invention discloses a kind of device line fault detection means; including sending module; for generating initial code and being sent in route and judgment module to be detected after converting initial code; and receiving module; for receiving the initial code conversion signal transmitted through route to be detected; and generate identifying code; and judgment module; for receiving initial code and verification code information; and judge whether identifying code and initial code consistent and switch module, for controlling the on off operating mode of entire detection device; and protective module, for the current-limiting protection and electrostatic exclusion to whole device；The invention has the advantages that: equipment internal wiring can separately be detected, whether the situation for checking every section of route one by one is normal, effectively improves the accuracy rate of detection, and without waiting for the booting operating and the debugging of various functions of electric appliance, reduce detection time, improves the efficiency of detection.
Description
Technical field
The present invention relates to device line the field of test technology, and in particular to a kind of device line fault detection means and side
Method.
Background technique
The accessory of all electric appliances or electric appliance requires to carry out the test of properties after processing in the production line,
In it is most important be exactly electric appliance wireline inspection.The detection of electric appliance circuits is detected on assembly line at present, assembly line
It is connected to detection station, is then detected by corresponding detection device.
The function of these detection devices currently on the market is relatively single, is substantially all and only provides general supply for electric appliance,
Then whether observation electric appliance can operate normally.This detection mode is difficult to detect inside electric appliance there are many uncertain factors
The whether complete fault-free of route, and detection process is relatively slow, needs to wait booting operating and the tune of various functions of electric appliance
Examination.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of device line fault detection means and method, the detection
Device using directly to electric appliance internal wiring part separate detection by the way of, solve traditional circuit detection device detection accuracy not
Height, the time-consuming problem of detection process.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of device line fault detection means, including
Sending module, for generating initial code and being sent in route and judgment module to be detected after converting initial code,
And
Receiving module for receiving the initial code conversion signal transmitted through route to be detected, and generates identifying code, and
Judgment module for receiving initial code and verification code information, and judges whether identifying code is consistent with initial code, and
Switch module, for controlling the on off operating mode of entire detection device, and
Protective module, for the current-limiting protection and electrostatic exclusion to whole device；
The receiving module, judgment module, switch module, protective module and sending module are sequentially connected.
Further improvement lies in that the sending module includes
Edit cell, for automatically generating initial code C after being poweredi, wherein i is to generate serial number, and 1≤i≤10, and
Signal conversion unit, the initial code C for that will generateiIt is converted into the signal voltage of consecutive variations, and
Signal transmitting unit, for sending signal voltage to route and judgment module to be detected.
Further improvement lies in that the edit cell includes random number generator, and connect with random number generator
Power supply.
Further improvement lies in that the receiving module includes
Signal receiving unit, for receiving the signal voltage transmitted through route to be measured, and
Signal conversion unit, for received signal voltage to be converted into identifying code Yi, wherein i is Receive sequence number, 1≤i
≤ 10, and
Storage element, the identifying code Y for that will convertiIt stores.
Further improvement lies in that the storage element is by the identifying code Y of all storages when Receive sequence number i is equal to 10i?
It is sent to judgment module.
Further improvement lies in that the judgment module includes
Receiving unit for receiving voltage signal, and is converted into corresponding identifying code Yi and initial code Ci, and
Storage element, for storing identifying code Yi and initial code Ci, and
It is whether consistent with initial code Ci to judge identifying code Yi for analytical unit, and feeds back judging result out.
Further improvement lies in that the control principle of the switch module are as follows: when not starting detection, switch module is in and closes
Conjunction state generates to receive and orders and send order to when judgment module receives the initial code voltage signal of sending module
Switch module, switch module is disconnected and is closed immediately at this time.
Further improvement lies in that the protective module includes the current limiter of concatenation and electrostatic excludes resistance, the electrostatic row
Except resistance is connect with ground terminal.
A kind of device line fault detection method, uses above equipment line fault testing device, and detecting step includes:
Initial code is generated by sending module, signal conversion is carried out to initial code and is sent to route and judgment module to be detected
The step of；
The step of being handled by conversion signal of the receiving module to initial code and generated identifying code；
Judge whether identifying code is consistent with initial code by judgment module and the step of feeding back judging result；
The step of entire detection device on off operating mode is controlled according to order by switch module.
The beneficial effects of the present invention are: the initial code that is randomly generated by comparing device and conveying reconvert through route to be measured
The identifying code of generation judges whether route is faulty, can separately detect to equipment internal wiring in this way, check every section one by one
Whether the situation of route is normal；It, can be by the open and close circuit that repeatedly quickly breaks, thus multiple formation equipped with switch module
Initial code, every section of route can be verified repeatedly in (generally 10 times) in a very short period of time, effectively improve the accurate of detection
Rate, and without waiting for the booting operating and the debugging of various functions of electric appliance, reduce detection time, improves the effect of detection
Rate.In addition, whole device can self-protection, prevent the circuit damage device retained in route, bring danger；Electrostatic is excluded to arrange
Apply the accuracy rate that can further improve detection.
Detailed description of the invention
Fig. 1 is the systematic schematic diagram of device line fault detection means；
Fig. 2 is the method flow diagram of device line fault detection.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, a kind of device line fault detection means, including
Sending module, for generating initial code and being sent in route and judgment module to be detected after converting initial code,
And receiving module, for receiving the initial code conversion signal transmitted through route to be detected, and identifying code is generated, and judge mould
Block for receiving initial code and verification code information, and judges whether identifying code and initial code consistent and switch module, is used for
The on off operating mode and protective module for controlling entire detection device, for the current-limiting protection and electrostatic exclusion to whole device；Institute
Receiving module, judgment module, switch module, protective module and sending module is stated to be sequentially connected.
The sending module includes edit cell, for automatically generating initial code C after being poweredi, wherein i is to generate serial number,
And 1≤i≤10 and signal conversion unit, the initial code C for that will generateiIt is converted into the signal voltage of consecutive variations, and
Signal transmitting unit, for sending signal voltage to route and judgment module to be detected.
The edit cell includes random number generator, and the power supply connecting with random number generator.
The receiving module includes
Signal receiving unit, for receiving the signal voltage transmitted through route to be measured, and
Signal conversion unit, for received signal voltage to be converted into identifying code Yi, wherein i is Receive sequence number, 1≤i
≤ 10, and
Storage element, the identifying code Y for that will convertiIt stores.
When Receive sequence number i is equal to 10, the storage element is by the identifying code Y of all storagesiIt is sent to judgment module.
The judgment module includes
Receiving unit for receiving voltage signal, and is converted into corresponding identifying code Yi and initial code Ci, and
Storage element, for storing identifying code Yi and initial code Ci, and
It is whether consistent with initial code Ci to judge identifying code Yi for analytical unit, and feeds back judging result out.
The control principle of the switch module are as follows: switch module is in closed state when not starting detection, when judging mould
When block receives the initial code voltage signal of sending module, generates to receive and order and send order to switch module, open at this time
Module is closed to disconnect and be closed immediately.
The protective module includes the current limiter of concatenation and electrostatic excludes resistance, and the electrostatic excludes resistance and ground terminal connects
It connects.
It should be noted that the function of sending module, receiving module, judgment module, switch module can be by multiple individual
CPU or chip microcontroller, can also be by an individual CPU or chip microcontroller.
A kind of device line fault detection method, uses above equipment line fault testing device, and detecting step includes:
Initial code is generated by sending module, signal conversion is carried out to initial code and is sent to route and judgment module to be detected
The step of；
The step of being handled by conversion signal of the receiving module to initial code and generated identifying code；
Judge whether identifying code is consistent with initial code by judgment module and the step of feeding back judging result；
The step of entire detection device on off operating mode is controlled according to order by switch module.
Specific implementation process of the present invention:
Transmitting module and receiving module are connected to the both ends of route to be measured first, form transmitting module-to survey line
Road-receiving module-judgment module-switch module-protective module-sending module circuit.At this point, string in transmitting module
The random number generator connect powers on, and is immediately generated a string of random initial codes.Transmitting module is by initial code CiIt is converted into electricity
It is sent to judgment module and route to be measured simultaneously after pressure signal, the initial code voltage signal transmitted through route to be measured, which reaches, receives mould
Block, receiving module, which is received and converted, generates identifying code Yi, store；It is passed directly to the initial code voltage signal of judgment module
Store, as soon as while often receive an initial code, be immediately generated reception order, received order and pass to switch module
In, switch module is quickly disconnected and is closed, and whole device is powered again at this time, and random number generator generates new one immediately
String initial code, and repeat the transmission process of above-mentioned signal.
When Receive sequence number i is 10, identifying code Y is stored in receiving module1, identifying code Y2, identifying code Y3, identifying code Y4、
Identifying code Y5, identifying code Y6, identifying code Y7, identifying code Y8, identifying code Y9, identifying code Y10, initial code C is stored in judgment module1、
Initial code C2, initial code C3, initial code C4, initial code C5, initial code C6, initial code C7, initial code C8, initial code C9, initial code
C10.At this point, the storage element of receiving module is by the identifying code Y of all storagesiIt is sent to judgment module, judgment module will be initial
Code and identifying code compare one by one:
Initial code C1--- identifying code Y1
Initial code C2--- identifying code Y2
Initial code C3--- identifying code Y3
Initial code C4--- identifying code Y4
Initial code C5--- identifying code Y5
Initial code C6--- identifying code Y6
Initial code C7--- identifying code Y7
Initial code C8--- identifying code Y8
Initial code C9--- identifying code Y9
Initial code C10--- identifying code Y10
10 groups of comparing results are formd, and comparing result is fed back, feedback procedure can connect one in judgment module
Display directly displays the details of every group of comparing result, or further calculates into accuracy.In general, when accuracy is 100%
When, it is believed that this route is no failure.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention only illustrates the present invention not by the exemplary limitation of above-mentioned implementation described in above-mentioned implementation example and specification
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (9)
1. a kind of device line fault detection means, it is characterised in that: including
Sending module, for generating initial code and be sent in route and judgment module to be detected after converting initial code, and
Receiving module for receiving the initial code conversion signal transmitted through route to be detected, and generates identifying code, and
Judgment module for receiving initial code and verification code information, and judges whether identifying code is consistent with initial code, and
Switch module, for controlling the on off operating mode of entire detection device, and
Protective module, for the current-limiting protection and electrostatic exclusion to whole device；
The receiving module, judgment module, switch module, protective module and sending module are sequentially connected.
2. a kind of device line fault detection means according to claim 1, it is characterised in that: the sending module includes
Edit cell, for automatically generating initial code C after being poweredi, wherein i is to generate serial number, and 1≤i≤10, and
Signal conversion unit, the initial code C for that will generateiIt is converted into the signal voltage of consecutive variations, and
Signal transmitting unit, for sending signal voltage to route and judgment module to be detected.
3. a kind of device line fault detection means according to claim 2, it is characterised in that: the edit cell includes
Random number generator, and the power supply being connect with random number generator.
4. a kind of device line fault detection means according to claim 1, it is characterised in that: the receiving module includes
Signal receiving unit, for receiving the signal voltage transmitted through route to be measured, and
Signal conversion unit, for received signal voltage to be converted into identifying code Yi, wherein i be Receive sequence number, 1≤i≤10,
And
Storage element, the identifying code Y for that will convertiIt stores.
5. a kind of device line fault detection means according to claim 4, which is characterized in that when Receive sequence number i is equal to
When 10, the storage element is by the identifying code Y of all storagesiIt is sent to judgment module.
6. a kind of device line fault detection means according to claim 1, which is characterized in that the judgment module includes
Receiving unit for receiving voltage signal, and is converted into corresponding identifying code Yi and initial code Ci, and
Storage element, for storing identifying code Yi and initial code Ci, and
It is whether consistent with initial code Ci to judge identifying code Yi for analytical unit, and feeds back judging result out.
7. a kind of device line fault detection means according to claim 1, which is characterized in that the control of the switch module
Principle processed are as follows: switch module is in closed state when not starting detection, when judgment module receives the initial code of sending module
When voltage signal, generates to receive and order and send order to switch module, switch module is disconnected and is closed immediately at this time.
8. a kind of device line fault detection means according to claim 1, which is characterized in that the protective module includes
The current limiter and electrostatic of concatenation exclude resistance, and the electrostatic excludes resistance and connect with ground terminal.
9. a kind of device line fault detection method uses device line fault detection means described in claim 1, detection
Step includes:
Initial code is generated by sending module, signal conversion is carried out to initial code and is sent to the step of route and judgment module to be detected
Suddenly；
The step of being handled by conversion signal of the receiving module to initial code and generated identifying code；
Judge whether identifying code is consistent with initial code by judgment module and the step of feeding back judging result；
The step of entire detection device on off operating mode is controlled according to order by switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286410.1A CN109507514B (en) | 2018-10-31 | 2018-10-31 | Equipment line fault detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286410.1A CN109507514B (en) | 2018-10-31 | 2018-10-31 | Equipment line fault detection device and method |
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| Publication Number | Publication Date |
|---|---|
| CN109507514A true CN109507514A (en) | 2019-03-22 |
| CN109507514B CN109507514B (en) | 2021-07-06 |
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ID=65747200
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| CN201811286410.1A Active CN109507514B (en) | 2018-10-31 | 2018-10-31 | Equipment line fault detection device and method |
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| CN109507514B (en) | 2021-07-06 |
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