CN219201722U - Soft flat cable testing device - Google Patents
Soft flat cable testing device Download PDFInfo
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- CN219201722U CN219201722U CN202320677280.4U CN202320677280U CN219201722U CN 219201722 U CN219201722 U CN 219201722U CN 202320677280 U CN202320677280 U CN 202320677280U CN 219201722 U CN219201722 U CN 219201722U
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- flat cable
- flexible flat
- soft
- circuit board
- test chip
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Abstract
The application discloses soft winding displacement testing arrangement includes: the test device comprises a test chip, a circuit board, a plurality of line indicator lamps and a plurality of groups of soft flat cable sockets; the test chip is provided with a plurality of chip pins for testing; the soft flat cable socket is provided with a plurality of different connecting terminals connected to the soft flat cable to be tested; the circuit board is provided with a printed circuit for electrically connecting pins of the test chip to corresponding connection terminals; the circuit indicator lamps are electrically connected between one chip pin of the test chip and one connecting terminal of the flexible flat cable socket through the circuit board. The soft flat cable testing device has the beneficial effects that the state of each core wire of the soft flat cable to be tested is judged based on different states of a plurality of circuit indicator lamps.
Description
Technical Field
The application relates to the technical field of soft flat cable testing, in particular to a soft flat cable testing device.
Background
The flexible flat cable is widely applied to the fields or products such as aerospace, military, mobile communication, portable computers, computer peripherals, PDAs, digital cameras and the like because the flexible flat cable greatly reduces the volume and weight of electronic products. But simultaneously, due to the reasons of good softness, high precision and fine process, when the soft flat cable fails, the failure reason cannot be judged at the first time.
In the related art, for example, chinese patent document CN217820784U describes a flexible flat cable testing device, in which one end of a flexible flat cable to be tested is connected to a conduction testing unit of the device, and each core wire is connected to one contact. If the input end of the device detects high level, the test core wire of the soft flat cable to be tested is indicated to be conductive; otherwise, the test core wire of the soft flat cable to be tested is not conducted.
However, the proposal does not provide a soft flat cable testing device which can display the conduction condition of each core wire of the soft flat cable to be tested conveniently and rapidly based on different states of a plurality of indicator lamps.
Disclosure of Invention
The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present application provide a flexible flat cable testing device to solve the technical problems mentioned in the background section.
Some embodiments of the present application provide a flexible flat cable testing device, including: the test device comprises a test chip, a circuit board, a plurality of line indicator lamps and a plurality of groups of soft flat cable sockets; the test chip is provided with a plurality of chip pins for testing; the soft flat cable socket is provided with a plurality of different connecting terminals connected to the soft flat cable to be tested; the circuit board is provided with a printed circuit for electrically connecting pins of the test chip to corresponding connection terminals; the circuit indicator lamps are electrically connected between one chip pin of the test chip and one connecting terminal of the flexible flat cable socket through the circuit board.
Further, the soft flat cable testing device also comprises a power socket for accessing a direct current power supply; the toggle switch is electrically connected between the power socket and the test chip; the toggle switch is electrically connected with the power socket and the test chip through the circuit board.
Further, the soft flat cable test device further includes: the pin type socket is electrically connected to the test chip through the circuit board.
Further, the soft flat cable test device further includes: the plurality of tact switches are electrically connected to the test chip through the circuit board.
Further, the soft flat cable test device further includes: the status indicator lamp is electrically connected to the test chip through the circuit board.
Further, a set of flex cable sockets comprises two flex cable sockets having the same number of connection terminals.
Further, two flexible flat cable sockets of the same group are arranged on the front surface of the circuit board in an aligned mode.
Further, two soft flat cable sockets of the same group are oppositely arranged.
Further, the distance between the soft flat cable sockets of the same group is defined as the inter-seat distance; different groups of flexible flat cable sockets have different inter-socket distances.
The beneficial effects of this application lie in: a flexible flat cable testing device for judging the states of each core wire of a flexible flat cable to be tested based on different states of a plurality of circuit indicator lamps is provided.
More specifically, some embodiments of the present application may produce the following specific benefits:
by arranging a plurality of groups of soft flat cable sockets, soft flat cables with different types and different lengths can be tested;
the state indicator lamp can rapidly give out whether the whole soft flat cable can pass detection or not, so that the test efficiency is improved;
the pin jack is conveniently used to connect to a test chip with external equipment for the transmission of test programs.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
In the drawings:
FIG. 1 is a schematic front view of a circuit board of a flexible flat cable testing device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the back side of a circuit board of the flexible flat cable testing device of the embodiment shown in FIG. 1;
FIG. 3 is a schematic top view of a circuit board of the flexible flat cable testing device of the embodiment of FIG. 1;
FIG. 4 is a schematic view of the embodiment of FIG. 1, from one side, of the flex cable jack;
FIG. 5 is a schematic view of the flexible flat cable receptacle of FIG. 4 from the other side;
FIG. 6 is a schematic diagram of a portion of an integrated circuit of a flexible flat cable testing device according to an embodiment of the present application;
FIG. 7 is a schematic diagram of another portion of an integrated circuit of a flexible flat cable testing device according to an embodiment of the present application;
fig. 8 is a schematic circuit diagram of a flexible flat cable testing device according to an embodiment of the present application.
The meaning of the reference numerals in the figures is:
100. a circuit board of the flexible flat cable testing device;
101. a circuit board;
102. testing the chip;
103. a first set of soft flex cable sockets;
1031. a mounting part of the soft flat cable socket;
1032. a housing portion of the flexible flat cable receptacle;
104. a second set of flex cable sockets;
105. a third set of soft flat cable sockets;
106. a line indicator light;
107. a power socket;
108. a toggle switch;
109. a pin socket;
110. touching the switch;
111. touching the switch;
112. touching the switch;
113. status indicator lights;
200. a circuit block diagram of a soft flat cable testing device;
201. testing the chip;
202. a flexible flat cable socket;
203. a line test lamp;
204. a power socket;
205. a toggle switch;
206. status indicator lights.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the various devices in the embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, a circuit board 101 of a flexible flat cable testing device according to an embodiment of the present application is provided with a first group of flexible flat cable sockets 103, a second group of flexible flat cable sockets 104, a third group of flexible flat cable sockets 105, a plurality of line indicator lamps 106, a power socket 107, a toggle switch 108, a pin socket 109, a tact switch 110, a tact switch 111, a tact switch 112 and a status indicator lamp 113 on the front surface. Wherein the flexible flat cable socket has a plurality of different connection terminals connected to the flexible flat cable to be tested. The circuit board is formed with a printed circuit for electrically connecting pins of the test chip 102 to corresponding connection terminals. A plurality of line indicator lights 106 electrically connected between one chip pin of the test chip 102 and one connection terminal of the flexible flat cable socket through the circuit board; more specifically, the line indicator 106 is a light emitting diode, and the line indicator 106 has three states of long-lighting, non-lighting and flashing; when the line indicator light 106 is long, the soft flat cable of the test is normal; when the line indicator light 106 is not on, the soft flat cable of the test is broken; when the line indicator light 106 flashes, the soft flat cable of the test is short-circuited; characters corresponding to each core wire of the flexible flat cable are marked on the left side of the line indicator lamp 106, so that the states of each core wire of the flexible flat cable to be detected can be intuitively judged by combining different states of the line indicator lamp 106.
Specifically, the power socket 107 is electrically connected to the toggle switch 108 through the circuit board 101; a voltage stabilizer (not shown in the figure) is arranged between the toggle switch 108 and the test chip 102 to convert the common 5V voltage input by the power socket 107 into a stable 3.3V voltage and output the stable 3.3V voltage to the test chip 102; a voltage regulator (not shown) is connected between toggle switch 108 and test chip 102 through circuit board 102. More specifically, a 5V voltage indicator lamp is provided between the power outlet 107 and a voltage regulator (not shown in the figure), and a 3.3V indicator lamp is provided between the voltage regulator (not shown in the figure) and the test chip 102. In the power-on state, if the 5V indicator lamp and the 3.3V indicator lamp are on at the same time, the soft flat cable testing device operates normally, otherwise, at least one of the soft flat cable testing devices is not on, the power supply circuit is out of order, and the fault is required to be checked.
Specifically, the pin socket 109 is electrically connected to the test chip 102 through a circuit board; more specifically, the pin jack 109 is a single pin, and the control program of the soft wire jack is written into the test chip 102 through the pin jack 109. The pin jack is conveniently used to connect to a test chip with external equipment for the transmission of test programs. Specifically, the tact switches 110, 111, and 112 are electrically connected to the test chip 102 through the circuit board 101; the selection of the corresponding soft flat cable sockets in the first group of soft flat cable sockets 103, the second group of soft flat cable sockets 104 and the third group of soft flat cable sockets 105 is realized by selecting any one of the soft touch switch 110, the soft touch switch 111 and the soft touch switch 112, so that soft flat cable tests with different specification models are realized.
Specifically, the status indicator 113 is electrically connected to the test chip 102 through the circuit board 101; more specifically, status indicator light 113 includes a fault indicator light and a normal indicator light; when the fault indicator is on and the normal indicator is not on, the fault indication indicates that the soft flat cable to be tested has faults, otherwise, the soft flat cable to be tested is normal, and whether the soft flat cable to be tested has faults can be intuitively judged through the state indicator 113. The status indicator lamp 113 can rapidly give whether the whole soft flat cable can pass detection or not, so that the test efficiency is improved.
As shown in fig. 2, a test chip 102 is mounted on the opposite side of a circuit board 101 of the flexible flat cable testing device according to an embodiment of the present application, and the mounted test chip 102 has a plurality of chip pins for testing.
As shown in fig. 3 and 4, taking the first group of the flexible flat cable sockets 103 as an example, one flexible flat cable socket includes a mounting portion 1031 of the flexible flat cable socket and a housing portion 1032 of the flexible flat cable socket. One side 1031a of the mounting portion 1031 of the flexible flat cable socket has a plurality of connection terminals electrically connected to the test chip 102 through a circuit board; the other side 1031b opposite to one side of the mounting portion 1031 of the flexible flat cable socket has a plurality of connection terminals for the flexible flat cable to be tested to be connected in; the housing portion 1032 of the flex cable jack is adapted to form a housing for the flex cable jack to facilitate installation of the flex cable jack on a circuit.
As shown in fig. 5, a group of the soft flat cable sockets includes two soft flat cable sockets having the same number of connection terminals; two soft flat cable sockets of the same group are arranged on the front surface of the circuit board in an aligned mode; the two flexible flat cable sockets of the same group are arranged oppositely, specifically, the two flexible flat cable sockets are arranged oppositely, that is, one side 1031b of the mounting portion 1031 of the two flexible flat cable sockets, into which the to-be-tested flexible flat cable is connected, is arranged oppositely.
Specifically, the distance between the soft flat cable sockets of the same group is defined as the inter-socket distance D; different groups of soft flat cable sockets have different inter-seat distances; more specifically, by changing the relative arrangement positions of two soft flat cable sockets of the same group on the circuit board, different inter-seat distances can be formed to test soft flat cables with different lengths; more specifically, by changing the number of connection terminals of two flexible flat cable sockets of the same group, flexible flat cables of different connection terminals can be tested; by arranging a plurality of groups of soft flat cable sockets, soft flat cables of different types and soft flat cables of different lengths can be tested.
As shown in fig. 6, a first set of flexible flat cable sockets 103, a second set of flexible flat cable sockets 104, and a third set of flexible flat cable sockets 105 located on the same side of the test chip 102 are connected to the second set of flexible flat cable sockets 104 and to the test chip 102 through the second set of flexible flat cable sockets 104.
As shown in fig. 7, the power socket 107 is electrically connected to the toggle switch 108 through the circuit board 101; toggle switch 108 is electrically connected to pin jack 109 via circuit board 101; the pin socket 109 is electrically connected with the test chip 102 through the circuit board 101; the tact switch 110, the tact switch 111 and the tact switch 112 are respectively electrically connected with the test chip 102 through the circuit board 101; one side of the circuit indicator lamps 106 is electrically connected with the connecting terminals of the second type of flexible flat cable sockets 104 through the circuit board 101, and the other side is electrically connected with the test chip 102 through the circuit board 101; the status indicator 113 is electrically connected to the test chip 102 through a circuit board. The multiplexing mode is adopted in the actual integrated circuit, so that pins of the test chip 102, the line indicator lights 106 and the like can be multiplexed to a plurality of groups of soft flat cable sockets 103, and the applicability of the test device of the application is expanded. In some applications, more groups of flex cable sockets 103 may be provided to further expand their use.
The toggle switch 205 in the circuit of the flexible flat cable testing device 200 shown in fig. 8 is electrically connected between the power socket 204 and the test chip 201 through a circuit board; the circuit indicator 203 is electrically connected between the test chip 201 and the flexible flat cable socket 202 through the circuit board; the status indicator light 206 is electrically connected to the test chip 201 through the circuit board. The power socket 204 is connected to a power supply for the flexible flat cable test device, and the test chip 201 controls the flexible flat cable socket 202, the line indicator lamp 203 and the status indicator lamp 206. The fault and the fault reason of the tested soft flat cable are displayed through different states of the line indicator lamp 203, and whether the soft flat cable has the fault is intuitively judged through the state indicator lamp 206.
The number of connection terminals of the first group of the flex cable sockets 103 is exemplified as 20. The power outlet 107 supplies a voltage of 5V to the whole apparatus, and the apparatus is in a standby state. A toggle switch 108 is arranged beside the power socket 107, and the starting and the closing of the device are regulated by the toggle switch 108. A voltage regulator (not shown) is disposed between the toggle switch 108 and the test chip 102, and the power socket 107 is connected to an external 5V voltage, and converts the 5V voltage into a 3.3V voltage for supplying power to the test chip 102 and the circuit board through the voltage regulator (not shown). A 5V indicator lamp is arranged between the power socket 107 and a voltage stabilizer (not shown in the figure), and the 5V indicator lamp is electrically connected with the power socket 107 and the voltage stabilizer (not shown in the figure) through a circuit board; a 3.3V indicator light is disposed between the voltage regulator (not shown) and the test chip 102, and the 3.3V indicator light is electrically connected to the voltage regulator (not shown) and the test chip 102 through a circuit board. Turning on toggle switch 108 causes the device to be in an operational state, and the 5V indicator light and the 3.3V indicator light are on for a long time, indicating that the device power supply circuit is normal. The two ends of the flexible flat cable to be tested are respectively connected with the two mounting portions 1031b in the first group of flexible flat cable sockets 103. When the tact switch 112 is pressed, the soft flat cable testing device starts the test of the first group of soft flat cable sockets 103, and the data of each core wire of the tested soft flat cable are reflected in the line indicator lamp 106. The left side of the line indicator lights 106 indicates that each line indicator light 106 corresponds to each core wire in the test flexible flat cable, and the line indicator lights 106 have three states of long-lighting, non-lighting and flashing, and correspond to the normal, open-circuit and short-circuit states of each core wire in the test flexible flat cable respectively. The status indicator lamp 113 visually reflects the test result, when the fault indicator lamp in the status indicator lamp 113 is long-lighted, the fault indicator lamp indicates that the test soft flat cable has faults, and when the normal indicator lamp in the status indicator lamp 113 is long-lighted, the fault indicator lamp indicates that the test soft flat cable is normal.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (9)
1. A flexible flat cable testing apparatus, comprising:
the test chip is provided with a plurality of chip pins for testing;
the method is characterized in that:
the soft flat cable testing device further comprises:
a plurality of groups of flexible flat cable sockets having a plurality of different connection terminals connected to the flexible flat cable to be tested;
a circuit board formed with a printed circuit for electrically connecting pins of the test chip to corresponding connection terminals;
and the circuit indicator lamps are electrically connected between one chip pin of the test chip and one connecting terminal of the flexible flat cable socket through the circuit board.
2. The flexible flat cable testing apparatus of claim 1, wherein:
the soft flat cable testing device further comprises:
the power socket is used for connecting a direct current power supply;
the toggle switch is electrically connected between the power socket and the test chip;
the toggle switch is electrically connected with the power socket and the test chip through the circuit board.
3. The flexible flat cable testing apparatus of claim 1, wherein:
the soft flat cable testing device further comprises:
the pin type socket is electrically connected to the test chip through the circuit board.
4. The flexible flat cable testing apparatus of claim 1, wherein:
the soft flat cable testing device further comprises:
and the plurality of tact switches are electrically connected to the test chip through the circuit board.
5. The flexible flat cable testing apparatus of claim 1, wherein:
the soft flat cable testing device further comprises:
and the status indicator lamp is electrically connected to the test chip through the circuit board.
6. The flexible flat cable testing apparatus according to any of claims 1 to 5, wherein:
a set of the flex cable sockets comprises two flex cable sockets having the same number of the connection terminals.
7. The flexible flat cable testing apparatus of claim 6, wherein:
the two soft flat cable sockets of the same group are arranged on the front surface of the circuit board in an aligned mode.
8. The flexible flat cable testing apparatus of claim 7, wherein:
the two soft flat cable sockets of the same group are oppositely arranged.
9. The flexible flat cable testing apparatus of claim 8, wherein:
the distance between the soft flat cable sockets of the same group is defined as the inter-seat distance;
different groups of the flexible flat cable sockets have different inter-seat distances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677280.4U CN219201722U (en) | 2023-03-30 | 2023-03-30 | Soft flat cable testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320677280.4U CN219201722U (en) | 2023-03-30 | 2023-03-30 | Soft flat cable testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219201722U true CN219201722U (en) | 2023-06-16 |
Family
ID=86702029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320677280.4U Active CN219201722U (en) | 2023-03-30 | 2023-03-30 | Soft flat cable testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219201722U (en) |
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2023
- 2023-03-30 CN CN202320677280.4U patent/CN219201722U/en active Active
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