CN202916374U - Cable test device - Google Patents
Cable test device Download PDFInfo
- Publication number
- CN202916374U CN202916374U CN 201220550883 CN201220550883U CN202916374U CN 202916374 U CN202916374 U CN 202916374U CN 201220550883 CN201220550883 CN 201220550883 CN 201220550883 U CN201220550883 U CN 201220550883U CN 202916374 U CN202916374 U CN 202916374U
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- circuit
- shell
- test device
- cable
- display
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Abstract
The utility model relates to a cable test device. The cable test device comprises a housing, a display control panel, input connection ends, output connection ends, an adjustment control and display circuit, a test circuit, a power circuit, an input power end and a power switch. The cable test device is characterized in that the housing is a rectangular cover-free housing, the input power end and the power switch are arranged on the left end face of the housing, three input connection ends are arranged on the right end face of the housing, three output connection ends are arranged on the front end face of the housing, the power circuit, the adjustment control and display circuit and the test circuit are conducted successively inside the housing starting from the input power end; a display window, gear buttons and indicating lamps are arranged on the display control panel, the display control panel is used to cover the housing as viewed from the top and is fixedly connected with the housing, and each part of the display control panel is in conduction with the adjustment control and display circuit. According to the utility model, the test speed and accuracy of the performance detection of mass cables of a same type and a same specification can be improved.
Description
Technical field
The utility model relates to Electronic Testing and field of measuring technique, is a kind of cable test device.
Background technology
Along with the fast development of modern electronic technology, transmission has proposed more and more higher requirement to multiple-way supply and signal, the usable range of cable also day by day extensively and the core number be on the increase.The test cable performance guarantees that finished cable does not exist that core opens circuit, quality problems such as short circuit between each core, becomes the test item that each applying unit must be carried out.The method that Traditional Man uses multimeter that cable is measured, not only time-consuming but also produce easily the problems such as test leakage, mistake survey, for this shortcoming.A kind of safe, errorless, efficient automatic measurement mechanism must be proposed.
The utility model content
The purpose of this utility model provides a kind of cable test device, can overcome the deficiency of traditional detection means, for the cable detection of same specification in enormous quantities.
The technical solution of the utility model is a kind of cable test device, which comprises at least shell, display control panel, the input link, the output link, regulate control and display circuit, test circuit, power circuit, input supply terminal and power switch, it is characterized in that: shell is rectangle uncovered housing, the left side of shell is provided with input supply terminal and power switch, the right side of shell is provided with three input links, the front end face of shell is provided with three output links, and the inside of shell is take input supply terminal as initial successively turn-on power circuit, regulate control and display circuit and test circuit; The input link and output link respectively with test circuit in 16 relay adhesives after altogether; Be provided with display window on the display control panel, move and arrange and switch shelves, operation button with, first and end selection key and pilot lamp, display control panel covers above shell to overlook direction, and be fixedly connected with shell, each parts of display control panel respectively with regulate control and display circuit conducting.
Described shell is the rectangle uncovered housing of being made by rigid plastic.
Described display control panel is by the cover plate made from the plastics of shell coupling.
Described input link is the connector that mates with the test cable input end.
Described output link is the connector that mates with the test cable output terminal.
Described adjusting control and display circuit are to be made of latch, code translator, operational amplifier, crystal oscillator and charactron and single-chip microcomputer conducting.
Described test circuit is to cooperate optocoupler and pull-up resistor to consist of by relay, every corresponding I/O interface of regulating single-chip microcomputer in control and the display circuit of relay.
Described power circuit is to be made of transformer, rectifier bridge, filtering unit and the conducting of voltage stabilizing chip.
Described input supply terminal is the three-phase socket with the PE protection, and the fuse of built-in 3A.
Described power switch is that rated current is the tape light ship type switch of 3A.
Characteristics of the present utility model are that raising detection batch is of the same type, test speed and the accuracy of same specification cable performance, simultaneously, have saved a large amount of costs and human resources, for favourable hardware facility has been created in actual production.
Description of drawings
Below in conjunction with embodiment the utility model is further described.
Fig. 1 is a kind of structural representation of cable test device.
Among the figure: 1, shell; 2, display control panel; 3, input link; 4, output link; 5, regulate control and display circuit; 6, test circuit; 7, power circuit; 8, input supply terminal; 9, power switch.
Embodiment
As shown in Figure 1, shell 1 is the rectangle uncovered housing of being made by rigid plastic, input link 3, output link 4, input supply terminal 8 and power switch 9 are arranged on the surface of shell 1, regulate the inside that control and display circuit 5, test circuit 6 and power circuit 7 are arranged on shell 1, display control panel 2 covers above shell 1.
Input link 3 is and the connector of test cable input end coupling, and three input links 3 are arranged on the right side of shell 1, and with test circuit 6 in 16 relay adhesives after altogether.
Output link 4 is and the connector of test cable output terminal coupling, and three output links 4 are arranged on the front end face of shell 1, and with test circuit 6 in 16 relay adhesives after altogether.
The inside of shell 1 is furnished with successively from left to right power circuit 7, regulates control and display circuit 5 and test circuit 6, and take input supply terminal 8 as initial, turn-on power circuit 7, adjusting are controlled and display circuit 5 and test circuit 6 successively.
Wherein, power circuit 7 is to be made of transformer, rectifier bridge, filtering unit and the conducting of voltage stabilizing chip.Power circuit 7 is used for civil power is converted into the operating voltage of cable test device.
Adjusting and display circuit 5 are to be made of latch, code translator, operational amplifier, crystal oscillator and charactron and single-chip microcomputer conducting.Adjusting and display circuit 5 are for the treatment of the manually-operated instruction and control each component working.
Test circuit 6 is to cooperate optocoupler and pull-up resistor to consist of by relay.Test circuit 6 is used for the test of cable, every corresponding I/O interface of regulating single-chip microcomputer in control and the display circuit 5 of relay.
The principle of work of cable test device:
Civil power is introduced through input supply terminal 8, is undertaken entering power circuit 7 after transformation by isolating transformer and carries out secondary transformation and voltage stabilizing, output 5VDC reference voltage and 12VDC operating voltage.
Select to arrange gear at display control panel 2, by gear " head end " button is set single-chip processor i/o mouth corresponding to 16 relays of input end carried out the initial value setting, by " end " button single-chip processor i/o mouth corresponding to 16 relays of output terminal carried out the initial value setting, can between 1 ~ 16 core number, select arbitrarily to detect number with this.
When triggering the " RUN " button, opened lock storage write-in functions, hardware circuit begins to be subjected to the programmed control execution work, proving installation can according to the selected every relay of input end successively with output terminal all select a relay one by one in pairs the mode of adhesive detect and whether exist closed circuit to form conducting, when conducting occurs between any two groups of cable core when, the input end high level can be output end and be pulled to low level and trigger simultaneously interruption, and this moment corresponding head end, terminal array data be recorded in the dedicated lock storage, to be testedly can inquire about after complete.
Cable break-make performance test:
During test, select correct interconnection socket that the cable two ends are installed on input link and the output link.Civil power is introduced by input supply terminal, turned on the power switch.Select to arrange gear at display control panel, select again operational taps behind input head end and the terminal pretest core number, trigger the operation button.The test process repeat circuit can send rhythmical " ticktock " sound, observes the demonstration result on the display control board after sound disappears the test end, and the input of all connections, output terminal can carry out saltus step and show.
The parts that present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not one by one narration.
Claims (10)
1. cable test device, which comprises at least shell (1), display control panel (2), input link (3), output link (4), regulate control and display circuit (5), test circuit (6), power circuit (7), input supply terminal (8) and power switch (9), it is characterized in that: shell (1) is rectangle uncovered housing, the left side of shell (1) is provided with input supply terminal (8) and power switch (9), the right side of shell (1) is provided with three input links (3), the front end face of shell (1) is provided with three output links (4), and the inside of shell (1) is take input supply terminal (8) as initial successively turn-on power circuit (7), regulate control and display circuit (5) and test circuit (6); Input link (3) and export link (4) respectively with test circuit (6) in 16 relay adhesives after altogether; Be provided with display window, move and arrange on the display control panel (2) and switch shelves, operation button with, first and end selection key and pilot lamp, display control panel (2) covers top in shell (1) to overlook direction, and be fixedly connected with shell (1), each parts of display control panel (2) respectively with regulate control and display circuit (5) conducting.
2. a kind of cable test device described in according to claim 1, it is characterized in that: described shell (1) is the rectangle uncovered housing of being made by rigid plastic.
3. a kind of cable test device described in according to claim 1 and 2 is characterized in that: described display control panel (2) is by the cover plate made from the plastics of shell coupling.
4. a kind of cable test device described in according to claim 1 is characterized in that: described input link (3) is the connector with test cable input end coupling.
5. a kind of cable test device described in according to claim 1 is characterized in that: described output link (4) is the connector with test cable output terminal coupling.
6. a kind of cable test device described in according to claim 1, it is characterized in that: described adjusting control and display circuit (5) are to be made of latch, code translator, operational amplifier, crystal oscillator and charactron and single-chip microcomputer conducting.
7. a kind of cable test device described in according to claim 1, it is characterized in that: described test circuit (6) is to cooperate optocoupler and pull-up resistor to consist of by relay, every corresponding I/O interface of regulating single-chip microcomputer in control and the display circuit (5) of relay.
8. a kind of cable test device described in according to claim 1, it is characterized in that: described power circuit (7) is to be made of transformer, rectifier bridge, filtering unit and the conducting of voltage stabilizing chip.
9. a kind of cable test device described in according to claim 1, it is characterized in that: described input supply terminal (8) is the three-phase socket with the PE protection, and the fuse of built-in 3A.
10. a kind of cable test device described in according to claim 1, it is characterized in that: described power switch (9) is that rated current is the tape light ship type switch of 3A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550883 CN202916374U (en) | 2012-10-25 | 2012-10-25 | Cable test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550883 CN202916374U (en) | 2012-10-25 | 2012-10-25 | Cable test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916374U true CN202916374U (en) | 2013-05-01 |
Family
ID=48164677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220550883 Expired - Fee Related CN202916374U (en) | 2012-10-25 | 2012-10-25 | Cable test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955096A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Cable testing mechanism |
| CN104991164A (en) * | 2015-06-23 | 2015-10-21 | 中国电子科技集团公司第七研究所 | Cable on-line detector |
-
2012
- 2012-10-25 CN CN 201220550883 patent/CN202916374U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955096A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Cable testing mechanism |
| CN104991164A (en) * | 2015-06-23 | 2015-10-21 | 中国电子科技集团公司第七研究所 | Cable on-line detector |
| CN104991164B (en) * | 2015-06-23 | 2017-12-26 | 中国电子科技集团公司第七研究所 | A kind of cable on-line checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |