CN221056629U - Flat cable detection circuit, circuit board and detection tool - Google Patents
Flat cable detection circuit, circuit board and detection tool Download PDFInfo
- Publication number
- CN221056629U CN221056629U CN202322519644.9U CN202322519644U CN221056629U CN 221056629 U CN221056629 U CN 221056629U CN 202322519644 U CN202322519644 U CN 202322519644U CN 221056629 U CN221056629 U CN 221056629U
- Authority
- CN
- China
- Prior art keywords
- display
- circuit
- flat cable
- detection circuit
- wire arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 230000005856 abnormality Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 19
- 238000004804 winding Methods 0.000 description 19
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model provides a flat cable detection circuit, a circuit board and a detection tool, which comprise: a main way, wherein a first display is arranged on the main way; the wire arrangement circuit is connected to the main circuit and comprises a first wire arrangement plate and a second wire arrangement plate which are arranged at intervals, and the first wire arrangement plate and the second wire arrangement plate are connected through a plurality of wires, wherein the first wire arrangement plate is connected with a power output end, and the second wire arrangement plate is grounded; the detection circuit is connected to the main circuit and is connected with the flat cable circuit in parallel and comprises a conversion unit, a micro control unit and a second display which are sequentially arranged along the current direction, wherein the second display is grounded. The bus cable detection circuit changes to realize the purpose of detecting whether the high-density bus cable is abnormal or not, has the advantages of flexible use, accurate detection, stable result, real-time observation and the like compared with the existing detection mode, can timely discover the circuit abnormality, further avoids the circuit integral scrapping, and is a novel detection circuit with considerable use prospect.
Description
Technical Field
The utility model relates to the technical field of electronic circuits, in particular to a flat cable detection circuit, a circuit board and a detection tool.
Background
Along with the continuous improvement of the living standard of people and the actual production and processing technology, smaller, more portable and more flexible electronic equipment becomes one of the main targets pursued by current users and manufacturers, and in order to adapt to the development trend of small volume of instruments and equipment, the current production and processing will set up flat cables in circuits as much as possible, the PIN spacing is gradually updated from 2.54mm to 0.5mm or even smaller, correspondingly, the conducting medium in the flat cables is also thinner and thinner, but with the same, the high-density flat cable mode also brings a plurality of problems.
Because each winding displacement is connected in parallel, if the inside of part of the winding displacement is damaged, the overall impedance of the winding displacement can be changed, and the subsequent circuit is seriously influenced, so that the functional test of the high-density winding displacement is very necessary, at the present stage, the test can only detect the overall on-off of the winding displacement, and the test can be usually carried out only when obvious faults occur, so that the real-time judgment can not be accurately carried out on the partial damage generated in the winding displacement, the high-density winding displacement with problems can not be replaced and overhauled in time, and the resource waste is caused.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problem that the damage condition inside the high-density flat cable cannot be detected in the prior art, and provides a flat cable detection circuit, a circuit board and a detection tool.
In order to solve the above technical problems, the present utility model provides a flat cable detection circuit, including: a main path, wherein a first display is arranged on the main path; the wire arrangement circuit is connected to the main circuit and comprises a first wire arrangement plate and a second wire arrangement plate which are arranged at intervals, and the first wire arrangement plate and the second wire arrangement plate are connected through a plurality of wires, wherein the first wire arrangement plate is connected with a power output end, and the second wire arrangement plate is grounded; the detection circuit is connected to the main circuit and is connected with the flat cable circuit in parallel, and the detection circuit comprises a conversion unit, a micro control unit and a second display which are sequentially arranged along the current direction, wherein the second display is grounded.
In one embodiment of the utility model, a first resistor is arranged on the main circuit and connected with the first display in series.
In one embodiment of the present utility model, the detection circuit further includes an operational amplifier disposed at an input terminal of the conversion unit.
In one embodiment of the utility model, the detection circuit further comprises a second resistor in series with the second display.
In one embodiment of the utility model, the second resistor is disposed between the micro control unit and the second display.
In one embodiment of the present utility model, the first display and the second display are both LED indicator lights.
In one embodiment of the present utility model, the conversion unit is an analog-to-digital converter, and the micro control unit is a single chip microcomputer.
In order to solve the technical problems, the utility model also provides a circuit board, which comprises the flat cable detection circuit and a substrate, wherein the flat cable detection circuit is arranged on the substrate.
In order to solve the technical problem, the utility model also provides a detection tool which comprises the circuit board and a shell.
In one embodiment of the utility model, the first display and the second display are disposed outside the housing.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The flat cable detection circuit provided by the utility model judges whether the flat cable is communicated through the first display arranged on the main circuit, and meanwhile, judges the internal impedance change through the second display arranged on the detection circuit, so that the purpose of detecting whether the inside of the high-density flat cable is abnormal is realized.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
Fig. 1 is a schematic diagram showing connection of a flat cable detection circuit according to a preferred embodiment of the present utility model.
Description of the specification reference numerals: 1. a power supply; 2. a first resistor; 3. a first display; 4. a first flat cable plate; 5. a second flat cable plate; 6. an operational amplifier; 7. a conversion unit; 8. a micro control unit; 9. a second resistor; 10. a second display; 11. and (5) arranging wires.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1, the present embodiment provides a flat cable detection circuit, including: a main road, on which a first display 3 is arranged; the wire arrangement circuit is connected to the main circuit and comprises a first wire arrangement plate 4 and a second wire arrangement plate 5 which are arranged at intervals, and the first wire arrangement plate 4 and the second wire arrangement plate 5 are connected through a plurality of wires 11, wherein the first wire arrangement plate 4 is connected with the output end of the power supply 1, and the second wire arrangement plate 5 is grounded; the detection circuit is connected to the main circuit and is connected with the flat cable circuit in parallel and comprises a conversion unit 7, a micro control unit 8 and a second display 10 which are sequentially arranged along the current direction, wherein the second display 10 is grounded.
This winding displacement detection circuitry judges whether winding displacement 11 communicates through setting up the first display 3 on the main road, and its internal impedance changes is judged through the second display 10 that sets up on the detection circuitry simultaneously, and then realize detecting whether inside the high density winding displacement 11 has unusual purpose, this winding displacement detection circuitry has in current detection mode and uses in a flexible way, detect accurate, the result is stable, can observe in real time etc. showing advantages, it can in time discover unusual when circuit high density winding displacement 11 only appears partial damage, and then avoid the circuit whole to scrap through the mode of changing partial winding displacement 11 or maintenance, be the novel detection circuitry that has considerable use prospect.
Referring to fig. 1, a first resistor 2 connected in series with a first display 3 is disposed on a main path, and further, the first resistor 2 and the first display 3 are sequentially disposed along a current direction, wherein the first resistor 2 is a current limiting resistor of the main path and is used for adjusting a brightness degree of the first display 3 when the first display 3 emits light normally, in this embodiment, the first display 3 is preferably an LED indicator, the first resistor 2 can change the brightness degree of the LED indicator, and the first display 3 is used for intuitively reflecting the current in the main path. In other embodiments, the first display 3 may be configured as an electronic display screen, a light-emitting lamp bead, or other elements with a variable display function, and the relative connection position of the first display may be adjusted according to the actual use condition, which is not particularly limited in the present utility model.
Referring to fig. 1, a plurality of flat cables 11 are arranged in parallel with high density between the first flat cable 4 and the second flat cable 5, specifically, two ends of any flat cable 11 are respectively connected with two flat cables 11, in a flat cable circuit, current enters the first flat cable 4 from a main path, flows through the plurality of flat cables 11 arranged in parallel with high density, then enters the second flat cable 5, and finally, the second flat cable 5 is grounded to form a closed loop.
Referring to fig. 1, the detection circuit further includes an operational amplifier 6 disposed at an input end of the conversion unit 7 and a second resistor 9 connected in series with the second display 10, and further, the second resistor 9 is disposed between the micro control unit 8 and the second display 10. In the detection circuit of the present embodiment, in the current moving direction, the operational amplifier 6, the conversion unit 7, the micro control unit 8, the second resistor 9 and the second display 10 are sequentially arranged, and are grounded through the second display 10 to form another closed loop in the circuit. Further, in this embodiment, the conversion unit 7 is an analog-to-digital converter (ADC), the micro-control unit 8 is a single-chip Microcomputer (MCU), the second display 10 is an LED indicator, specifically, the operational amplifier 6 is configured to coordinate signals and detect a voltage value of the flat cable 11 to be tested, the analog-to-digital converter is configured to process an electrical signal of the front operational amplifier 6, the analog-to-digital converter is configured to convert the electrical signal into a digital signal and then transmit the digital signal to the MCU for subsequent processing, the second resistor 9 is configured to adjust a brightness level of the second display 10 when the second display 10 emits light normally, the second display 10 is configured to feed back an internal current condition of the high-density flat cable 11, and in this embodiment, an operator can indirectly determine whether the high-density flat cable 11 is damaged according to an actual brightness change condition of the second display 10, so as to achieve a purpose of monitoring the flat cable 11. Likewise, in other embodiments, the second display 10 may be configured as an electronic display screen, a light-emitting lamp bead, or other elements with a variable display function, which is not particularly limited in the present utility model.
The following describes the specific use process and principle of the flat cable detection circuit in this embodiment:
When in actual use, firstly, an operator needs to connect one end of a circuit main path with a power supply 1, the other end of the circuit main path is provided with a flat cable circuit and a detection circuit which are connected in parallel, a plurality of flat cables 11 are arranged between a first flat cable plate 4 and a second flat cable plate 5 in a high density manner so as to complete the installation of the whole circuit, when in use, the first display 3 can emit light, when the light source is stable and the circuit is proved to be communicated, and meanwhile, the operator can adjust the normal light-emitting brightness of the first display 3 through the first resistor 2 so as to increase the use flexibility degree of the circuit. When current flows from the main circuit to two branches (a wire arrangement circuit and a detection circuit), the current in the wire arrangement circuit flows through the wire arrangement 11 from the first wire arrangement plate 4 and then forms a loop through the second wire arrangement plate 5, the current in the detection circuit sequentially flows through the operational amplifier 6, the conversion unit 7, the micro control unit 8, the second resistor 9 and the second display 10 and then forms a closed loop in a grounding way, further, an operator can observe whether the wire arrangement 11 is damaged or not through the second display 10, specifically, when the light emitting condition of the second display 10 is stable, the wire arrangement 11 can be indicated to work normally, when the light intensity of a light source of the second display 10 changes, the wire arrangement 11 is proved to be damaged, and the maintenance and the replacement are needed at the moment so as to avoid damage to the whole circuit.
In summary, this winding displacement detection circuitry judges whether winding displacement 11 communicates through setting up the first display 3 on the main road, and its internal impedance changes is judged through the second display 10 that sets up on the detection circuitry simultaneously, and then whether realize detecting the inside unusual purpose that exists of high density winding displacement 11, this winding displacement detection circuitry has in current detection mode and uses in a flexible way, detect accurate, the result is stable, can observe in real time etc. showing advantages, it can in time discover unusual when circuit high density winding displacement 11 only appears partial damage, and then avoid the circuit whole to scrap through the mode of changing partial winding displacement 11 or maintenance, be the novel detection circuitry that has considerable use prospect.
Example two
The embodiment provides a circuit board, which comprises a flat cable detection circuit and a substrate, wherein the flat cable detection circuit is arranged on the substrate.
Example III
The present embodiment provides a detection tool, including the circuit board and the housing in the second embodiment, further, the first display 3 and the second display 10 are disposed outside the housing.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A flat cable detection circuit is characterized in that: comprising the following steps:
a main path, wherein a first display is arranged on the main path;
The wire arrangement circuit is connected to the main circuit and comprises a first wire arrangement plate and a second wire arrangement plate which are arranged at intervals, and the first wire arrangement plate and the second wire arrangement plate are connected through a plurality of wires, wherein the first wire arrangement plate is connected with a power output end, and the second wire arrangement plate is grounded;
The detection circuit is connected to the main circuit and is connected with the flat cable circuit in parallel, and the detection circuit comprises a conversion unit, a micro control unit and a second display which are sequentially arranged along the current direction, wherein the second display is grounded.
2. The flat cable detection circuit according to claim 1, wherein: and a first resistor connected in series with the first display is arranged on the main circuit.
3. The flat cable detection circuit according to claim 1, wherein: the detection circuit further comprises an operational amplifier arranged at the input end of the conversion unit.
4. The flat cable detection circuit according to claim 1, wherein: the detection circuit further includes a second resistor in series with the second display.
5. The flat cable detection circuit according to claim 4, wherein: the second resistor is arranged between the micro control unit and the second display.
6. The flat cable detection circuit according to claim 1, wherein: the first display and the second display are both LED indicator lamps.
7. The flat cable detection circuit according to claim 1, wherein: the conversion unit is an analog-to-digital converter, and the micro control unit is a single-chip microcomputer.
8. A circuit board, characterized in that: comprising the flat cable detection circuit according to any one of claims 1 to 7 and a substrate, the flat cable detection circuit being provided on the substrate.
9. Detect frock, its characterized in that: comprising the circuit board and the housing of claim 8.
10. The inspection tool of claim 9, wherein: the first display and the second display are arranged outside the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519644.9U CN221056629U (en) | 2023-09-15 | 2023-09-15 | Flat cable detection circuit, circuit board and detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519644.9U CN221056629U (en) | 2023-09-15 | 2023-09-15 | Flat cable detection circuit, circuit board and detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221056629U true CN221056629U (en) | 2024-05-31 |
Family
ID=91222198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322519644.9U Active CN221056629U (en) | 2023-09-15 | 2023-09-15 | Flat cable detection circuit, circuit board and detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221056629U (en) |
-
2023
- 2023-09-15 CN CN202322519644.9U patent/CN221056629U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080103706A1 (en) | System and method for testing leds on a motherboard | |
| CN105467331B (en) | A kind of multichannel isolated form electronic load and Test System On Power Aging | |
| CN104515946B (en) | Load device for detection | |
| CN221056629U (en) | Flat cable detection circuit, circuit board and detection tool | |
| CN108732490B (en) | Full-automatic unmanned aging test and life test system for microwave solid-state power amplifier | |
| CN116699200A (en) | Inter-board connector testing device and testing method | |
| CN112547571A (en) | Method for automatically detecting and screening mass lasers and monitoring system thereof | |
| CN207473049U (en) | A kind of fault test set of electronic product integrated circuit | |
| CN112904221A (en) | Improved load unit for testing LED backlight driving power supply and intelligent load device | |
| CN109633349A (en) | A kind of device of quick detection abnormal voltage position | |
| CN217238335U (en) | LED electrical property test card | |
| CN214413088U (en) | Illumination light source with operating condition monitoring | |
| CN110426795A (en) | The function indicating means of optical module and optical module | |
| KR200346966Y1 (en) | Indicator for leakage points in lighting apparatus' distributing wires | |
| CN214413087U (en) | Abnormity detection circuit based on differential signal pair LED | |
| CN110677642A (en) | Television fault online detection method and device based on LED indicator lamp | |
| CN104916120B (en) | A kind of automated production test system and method for intelligent infrared transmitting equipment | |
| CN219305076U (en) | Breakpoint transmission circuit based on LED | |
| JP2001165986A (en) | Cable inspecting apparatus | |
| CN214413086U (en) | Real-time detection system based on LED operating condition | |
| CN219715564U (en) | Inter-board connector testing device | |
| CN217238251U (en) | Multi-load testing device | |
| CN219302582U (en) | Radio equipment distribution box test device | |
| CN107677955A (en) | A kind of fault test set of electronic product integrated circuit | |
| CN109444730A (en) | A kind of electromagnetic relay verifying bench and the method for inspection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |