CN202486252U - Multifunctional wire cable testing device - Google Patents

Multifunctional wire cable testing device Download PDF

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Publication number
CN202486252U
CN202486252U CN2012200509075U CN201220050907U CN202486252U CN 202486252 U CN202486252 U CN 202486252U CN 2012200509075 U CN2012200509075 U CN 2012200509075U CN 201220050907 U CN201220050907 U CN 201220050907U CN 202486252 U CN202486252 U CN 202486252U
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CN
China
Prior art keywords
microcontroller
testing lines
test
testing
light emitting
Prior art date
Application number
CN2012200509075U
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Chinese (zh)
Inventor
张永斌
梁自泰
王春生
王海宏
吴续平
陈玉娟
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兰州远望信息技术有限公司
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Priority to CN2012200509075U priority Critical patent/CN202486252U/en
Application granted granted Critical
Publication of CN202486252U publication Critical patent/CN202486252U/en

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Abstract

The utility model provides a multifunctional wire cable testing device with high degree of accuracy and high testing efficiency and aims at solving the problems that in the prior art, the degree of existing accuracy of wire cable testing technique is not high, and the testing efficiency is low. The multifunctional wire cable testing device comprises a wire cable testing interface module connected with a microcontroller, a function selection module and a testing result display module, wherein the microcontroller adopts a 51 series single chip microcomputer, the wire cable testing interface module comprises a wire cable testing interface, and the wire cable testing interface type is selectable according to the wire cable type to be tested.

Description

A kind of multi-functional cable tester

Technical field

The utility model relates to field of radio frequency communication, more particularly, relates to a kind of multi-functional cable tester.

Background technology

In field of radio frequency communication, often need test the performance of cable, means of testing commonly used is to rely on multimeter to carry out the test of cable break-make situation.Adopt multimeter to carry out the cooperation that testing lines needs two people at least, personnel are had certain dependence, and when short circuit phenomenon occurring, be difficult to search the short circuit reason.Under the situation many at the cable test item, that task is heavy, required testing staff is many, detection efficiency is low.

The technical matters that the utility model will solve is that the defective that accuracy is not high, detection efficiency is low to existing testing lines technology provides the multi-functional cable comprehensive tester that a kind of accuracy is high, detection efficiency is high.

Summary of the invention

The utility model solves the technical scheme that its problem adopted: a kind of multi-functional cable tester is provided; Comprise the testing lines interface module, function selecting module, the test result display module that are connected with microcontroller; Said testing lines interface module comprises the testing lines interface, and said testing lines interface type is optional according to the test cable type.

The described testing lines interface of the utility model comprises test signal emission port, the test signal receiving port that is connected with said micro controller I/O mouth respectively, and the test cable is connected between said signal emission port and the receiver port.

The described testing lines interface of the utility model also comprises the more than one testing lines pilot lamp between the said micro controller I/O mouth that is connected in power supply and connects said test signal emission port, and the quantity of said testing lines pilot lamp equates with the pin number of said test signal emission port.

The described microcontroller of the utility model adopts 51 series monolithics.

The described function selecting module of the utility model comprises manual test button SW1, functional select switch; Said functional select switch comprises single-pole double-throw switch (SPDT) S1; Said single-pole double-throw switch (SPDT) S1 moved end links to each other with the 12 pin P3.1 of microcontroller, and through the first moved end ground connection, connects power supply VCC through second moved end, the 4th dropping resistor; Said hand push button one end ground connection, the other end links to each other with the 11 pin P3.0 of microcontroller.

The described test result display module of the utility model comprises hummer, alarm lamp; The 24 pin P23 output control signal of said microcontroller; The duty of control hummer after signal amplification circuit amplifies, said alarm lamp comprises more than one light emitting diode, the positive pole of said light emitting diode links to each other with power supply through current-limiting resistance; Negative pole links to each other with the idle I/O mouth of said microcontroller, and the quantity of said light emitting diode is identical with the warning message kind that needs prompting.

The described testing lines pilot lamp of the utility model is a light emitting diode.

The utility model has made things convenient for the detection of different model cable owing to adopt technique scheme, and accuracy rate is high, but and the one man operation, volume is little, test item is many, has improved detection efficiency effectively.

Description of drawings

Fig. 1 is the structural representation of a kind of multi-functional cable tester embodiment of the utility model;

Fig. 2 is the circuit theory diagrams of a kind of multi-functional cable tester embodiment of the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model embodiment is described further.

As shown in Figure 1, in the embodiment of a kind of multi-functional cable tester of the utility model, this tester comprises microcontroller 14, the testing lines interface module 11 that is connected with microcontroller 14, function selecting module 12 and test result display module 13.

Wherein the testing lines interface module comprises testing lines interface, testing lines pilot lamp 112, and wherein the testing lines interface is made up of test signal emission port 111, test signal receiving port 113.Wherein function selecting module 12 comprises manual test button 121 and functional select switch 122, and wherein test result display module 13 comprises hummer 131 and alarm lamp 132.

Microcontroller 14 adopts 51 series monolithics; Among the utility model embodiment with the line preface of all cables and permutation and combination with the stored in form of software in microcontroller 14; Microcontroller 14 is as the centralized control unit of cable comprehensive tester; Peripheral circuit all links to each other with microcontroller 14, under the coordination control of microcontroller 14, accomplishes testing lines work.

Wherein the test signal emission port in the present embodiment 111 adopts DB9 interface J1, and 9 pins of the 1-9 of DB9 interface J1 link to each other with I/O pin P3.0, P16, P14, P12, P10, P17, P15, P13, the P11 of microcontroller 14 respectively.

Test signal receiving port 113 adopts the DB9 interface J2 identical with test signal emission port 111, and 9 pins of the 1-9 of interface J2 link to each other with pin P00, P02, P04, P06, P20, P01, P03, P05, the P07 of microcontroller 14 respectively.

Cable to be tested 15 is connected with interface J2 with interface J1 through the cable adapter, and microcontroller 14 sends test massage at test signal emission port 111 in order, at test signal receiving end 113 acceptance test signal in order.

Testing lines pilot lamp 112 is made up of 9 light emitting diode D1, D2, D3, D4, D5, D6, D7, D8, the D9 identical with interface J1 number of pins.The negative electrode of 9 light emitting diodes is connected to micro controller I/O pin P3.0, P16, P14, P12, P10, P17, P15, P13, P11, and anode links to each other with power supply VCC through current-limiting resistance R2.

The end of pull-up resistor R3 is connected with power supply, and the other end is connected with the 11 pin P3.1 of microcontroller.

The testing lines pilot lamp is used in reference to the quality of each single-core line in the timberline cable, and at correct status, the testing lines pilot lamp shows in proper order; In short-circuit condition, the corresponding pilot lamp of the circuit that opens circuit together with the time light; At off state, the testing lines pilot lamp of corresponding line is not lighted; At the dislocation state, the DISPLAY ORDER of corresponding line pilot lamp can change.

Said manual test button is made up of switch SW 1, and an end of switch SW 1 is connected with ground, and the other end is connected with the 11 pin P3.1 of microcontroller.

Said functional select switch comprises single-pole double-throw switch (SPDT) S1, and the not moved end of single-pole double-throw switch (SPDT) S1 links to each other with the 12 pin P3.2 of microcontroller 14, and through moved end 1 ground connection, links to each other with power supply VCC through moved end 2, pull-up resistor R4.

It is circulation pattern that functional select switch and manual test button are used for selecting test signal emission port 111 to receive signal with test signal receiving port 113, or single sending/receiving formula.If circulation pattern, 9 light emitting diodes will sequential loop show the state of each single-core line in the cable when between test signal emission port and test signal receiving port, being connected to cable 15.Receive if select single to send, then after pressing the manual test button, just send signal at test signal emission port 111, test signal receiving port 113 receives signal.

Testing lines display module as a result comprises hummer 131, alarm lamp 132; The 24 pin P23 output control signal of microcontroller 14; The duty of control hummer after signal amplification circuit amplifies; An end of resistance R 9 links to each other with the 24 pin P23 of microcontroller 14 in the signal amplification circuit, and the other end is connected with power supply VCC through resistance R 10.The base stage of triode Q1 is connected with the junction of resistance R 9 and R10, and emitter is connected with power supply, and collector is connected with an end of hummer, hummer other end ground connection.

Alarm lamp comprises more than one light emitting diode and the current-limiting resistance of connecting with it, and wherein the quantity of light emitting diode can be set according to the type of information.In the present embodiment, alarm lamp is made up of four current-limiting resistances of four light emitting diodes and series connection with it, representes four kinds of testing results of cable detection through the light on and off of light emitting diode, is respectively " correctly " " short circuit " " open circuit " " dislocation ".Light emitting diode D10, D11, D12, D13 anode link to each other with power supply VCC through current-limiting resistance R5, R6, R7, R8 respectively, and negative electrode connects the 25 pin P24, the 26 pin P25, the 27 pin P26, the 28 pin P27 of microcontroller 14 respectively.

Testing lines as a result display module through hummer ring with the light emitting diode light on and off represent test result; Wherein the light emitting diode D10 in the alarm lamp representes test result " correctly "; Light emitting diode D11 representes that test result is " short circuit " state; Light emitting diode D12 representes that test result is " opening circuit " state, and light emitting diode D13 representes that test result is " dislocation " state.If test result is normal, sound hummer rings once, and light emitting diode D10 is once glittering simultaneously; If test result is unusual, then hummer does not ring, and representes that the light emitting diode of corresponding test result is once glittering.

The utility model can be used for the test job of multiple cable; Through changing the interface type of test signal emission port 111, test signal receiving port 113; And the line preface and the array mode of cable in the change microcontroller, can test different types of cable easily.

Claims (7)

1. multi-functional cable tester; It is characterized in that; Comprise the testing lines interface module, function selecting module, the test result display module that are connected with microcontroller; Said testing lines interface module comprises the testing lines interface, and said testing lines interface type is optional according to the test cable type.
2. a kind of multi-functional cable tester according to claim 1; It is characterized in that; Said testing lines interface comprises test signal emission port, the test signal receiving port that is connected with said micro controller I/O mouth respectively, and the test cable is connected between said test signal emission port and the test signal receiving port.
3. a kind of multi-functional cable tester according to claim 2; It is characterized in that; Said testing lines interface also comprises the more than one testing lines pilot lamp between the said micro controller I/O mouth that is connected in power supply and connects said test signal emission port, and the quantity of said testing lines pilot lamp equates with the pin number of said test signal emission port.
4. according to each described a kind of multi-functional cable tester of claim 1-3, it is characterized in that said microcontroller adopts 51 series monolithics.
5. a kind of multi-functional cable tester according to claim 4; It is characterized in that; Said function selecting module comprises manual test button (SW1), functional select switch, and said functional select switch comprises single-pole double-throw switch (SPDT) (S1), and said single-pole double-throw switch (SPDT) (S1) not moved end links to each other with the 12 pin (P3.2) of microcontroller; And through the first moved end ground connection; Connect power supply (VCC) through second moved end, the 4th dropping resistor, said hand push button one end ground connection, the other end links to each other with the 11 pin (P3.1) of microcontroller.
6. a kind of multi-functional cable tester according to claim 5; It is characterized in that; Said test result display module comprises hummer, alarm lamp, the 24 pin (P23) the output control signal of said microcontroller, the duty of control hummer after signal amplification circuit amplifies; Said alarm lamp comprises more than one light emitting diode; The positive pole of said light emitting diode links to each other with power supply through current-limiting resistance, and negative pole links to each other with the idle I/O mouth of said microcontroller, and the quantity of said light emitting diode is identical with the warning message kind that needs prompting.
7. a kind of multi-functional cable tester according to claim 6 is characterized in that said testing lines pilot lamp is a light emitting diode.
CN2012200509075U 2012-02-16 2012-02-16 Multifunctional wire cable testing device CN202486252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200509075U CN202486252U (en) 2012-02-16 2012-02-16 Multifunctional wire cable testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200509075U CN202486252U (en) 2012-02-16 2012-02-16 Multifunctional wire cable testing device

Publications (1)

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CN202486252U true CN202486252U (en) 2012-10-10

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CN2012200509075U CN202486252U (en) 2012-02-16 2012-02-16 Multifunctional wire cable testing device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103576047A (en) * 2013-10-08 2014-02-12 山东英特力光通信开发有限公司 Cable detector
CN103674553A (en) * 2013-12-24 2014-03-26 哈尔滨东安汽车动力股份有限公司 Novel engine bench wire harness checking instrument
CN104330665A (en) * 2014-10-27 2015-02-04 浪潮软件集团有限公司 Method for fast filtering cable faults in self-service equipment
CN104569719A (en) * 2014-12-31 2015-04-29 贝兹维仪器(苏州)有限公司 Multicore cable testing system
CN108061839A (en) * 2017-12-28 2018-05-22 湖南航天捷诚电子装备有限责任公司 A kind of device of cable detection

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103576047A (en) * 2013-10-08 2014-02-12 山东英特力光通信开发有限公司 Cable detector
CN103674553A (en) * 2013-12-24 2014-03-26 哈尔滨东安汽车动力股份有限公司 Novel engine bench wire harness checking instrument
CN104330665A (en) * 2014-10-27 2015-02-04 浪潮软件集团有限公司 Method for fast filtering cable faults in self-service equipment
CN104569719A (en) * 2014-12-31 2015-04-29 贝兹维仪器(苏州)有限公司 Multicore cable testing system
CN108061839A (en) * 2017-12-28 2018-05-22 湖南航天捷诚电子装备有限责任公司 A kind of device of cable detection

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