CN112285552A

CN112285552A - Automatic testing system for telephone key function

Info

Publication number: CN112285552A
Application number: CN202011393354.9A
Authority: CN
Inventors: 余敏
Original assignee: Fuzhou West Germany Intelligent Technology Co ltd
Current assignee: Fuzhou West Germany Intelligent Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-01-29

Abstract

The invention discloses an automatic testing system for the key function of a telephone, which at least comprises a carrier module and a key module which are paired and correspond to each other in position, wherein a fixed groove is inwards recessed in the upper surface of the carrier module, a positioning hole is formed in the lower surface of the fixed groove, the telephone is placed in the fixed groove, and a micro-motion integrated cylinder which is in a structure matched with the telephone key is arranged on the lower surface of the key module. The lower part of the carrier module is provided with a workstation, the workstation is provided with a plurality of fixing frames, and a CCD camera with a lens facing to a screen of the telephone is fixed on the fixing frames. The fixing frame is further fixed with a telescopic air rod, and one end of the telescopic air rod is fixed on the key module. The invention also comprises a plc control module, a software end and a gas circuit control module. The invention has the advantages of large allowed station-entering error, high stability, high reliability and high efficiency.

Description

Automatic testing system for telephone key function

Technical Field

The invention relates to the technical field of telephone production, in particular to an automatic test system for the key function of a telephone.

Background

At present, the telephone is manually pressed to detect keys in the key function detection process, and then the keys are manually removed, so that the efficiency is greatly reduced, time and labor are wasted, finger fatigue and visual fatigue can be caused due to excessive pressing times in the manual detection process, the conditions of missing pressing and missing judgment and the like are caused, and the problem cannot be traced back by manual detection, so that the problem analysis is not facilitated.

Therefore, the system adopts equipment such as a micro-needle air rod and a high-speed CCD camera to carry out key operation and characteristic acquisition on the product, judges whether the key has bad conditions or not through a software algorithm, and stores test data.

Disclosure of Invention

The present invention aims to provide an automatic testing system for the key function of a telephone set, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the automatic testing system for the functions of the keys of the telephone at least comprises a carrier module and a key module which are paired and correspond in position, wherein a fixing groove is formed in the inner surface of the carrier module, a positioning hole is formed in the lower surface of the fixing groove, the telephone is placed in the fixing groove, and a micro-motion integrated cylinder which is in a matched structure with the keys of the telephone is arranged on the lower surface of the key module.

As a further scheme of the invention: the lower part of the carrier module is provided with a workstation, the workstation is provided with a plurality of fixing frames, and a CCD camera with a lens facing to a screen of the telephone is fixed on the fixing frames.

As a further scheme of the invention: the fixing frame is further fixed with a telescopic air rod, and one end of the telescopic air rod is fixed on the key module.

As a further scheme of the invention: still include plc control module, software end and gas circuit control module, wherein:

plc control module: used for controlling the PLC to output IO port signals;

a software end: distinguishing whether the key functions have abnormal conditions or not through algorithms of feature matching, similarity matching, shape matching and point location learning;

the gas circuit control module: used for connecting the plc control module and the software terminal.

As a further scheme of the invention: and an electrical interface which is of a matching structure with a telephone power interface is reserved in the fixing groove.

As a further scheme of the invention: the output end of the CCD camera is connected with a PC end, and the PC end is connected with the software end.

Compared with the prior art, the invention has the beneficial effects that:

1) the station-entering error is allowed to be large: the test system adopts paired integrated dies, the carrier die at the bottom is provided with a positioning hole, the top key module is matched with the carrier die at the bottom, so that large error of entering and exiting the station is allowed, and correction of various angles such as up-down, left-right, front-back inclination and the like can be realized.

2) The stability is high: the micro-motion integrated cylinder is adopted to replace manual button operation, so that visual fatigue caused by manual detection or telephone misoperation caused by manual misoperation can be avoided.

3) The reliability is high: and after all the keys are pressed, sequentially displaying all the key characters with the pressed keys on the liquid crystal screen, and judging the characters through ORC.

4) The efficiency is high: the automatic test system adopts a computer to control the extension and retraction of each micro-motion integrated cylinder to simulate manual button pressing, only 4s are needed for complete pressing, the detection time is greatly shortened, and the productivity can be obviously improved.

The invention has the advantages of large allowed station-entering error, high stability, high reliability and high efficiency by combining the conditions.

Drawings

Fig. 1 is a schematic diagram of the overall component structure of an automatic testing system for the key function of a telephone.

Fig. 2 is a schematic view of the overall structure of the key module of the present invention.

Fig. 3 is a schematic view of the overall structure of the telephone set of the present invention.

Fig. 4 is a schematic view of the overall structure of the carrier module of the present invention.

Fig. 5 is a schematic view of a working flow of the air path control module according to the present invention.

The reference numerals in the figures have the following meanings:

1. a carrier module; 2. a key module; 3. a workstation; 4. a camera; 5. a control module; 6. a software end; 7. a gas circuit control module; 8. a PC terminal; 11. fixing grooves; 12. a telephone; 21. a micro-motion integrated cylinder; 31. a fixed mount; 32. a telescopic air rod; 111. positioning holes; 112. an electrical interface is reserved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, an automatic testing system for a key function of a telephone at least includes a carrier module 1 and a key module 2 that are paired and correspond in position, a fixing groove 11 is recessed inward on an upper surface of the carrier module 1, a positioning hole 111 is formed on a lower surface of the fixing groove 11, in order to power on the telephone, an electrical interface reservation 112 that matches a power interface of the telephone 12 is further disposed inside the fixing groove 11, an input end of the electrical interface reservation 112 is connected to the power module, the telephone 12 is disposed inside the fixing groove 11, and a micro-motion integrated cylinder 21 that matches a key of the telephone 12 is disposed on a lower surface of the key module 2. The lower part of the carrier module 1 is provided with a workstation 3, the workstation 3 is provided with a plurality of fixed frames 31, the fixed frame 31 is fixed with a CCD camera 4 with a lens facing the screen of the telephone 12, the fixed frame 31 is also fixed with a telescopic air rod 32, and one end of the telescopic air rod 32 is fixed on the key module 2.

It should be noted that:

and the key module 2: the micro-motion integrated cylinder 21 adopts a micro-needle type air rod, a die hole position is designed according to the key position of the telephone 12, and the micro-motion integrated cylinder 21 is controlled to stretch and retract through the air channel control module 7.

The invention also comprises a plc control module 5, a software terminal 6 and a gas circuit control module 7, wherein:

a PLC control module: controlling an IO output signal of the PLC;

it should be noted that the communication mode between the PLC and the PC terminal 8 adopts an RS232 serial port communication mode.

And the software end 6: and distinguishing whether the key functions have abnormal conditions or not through algorithms of feature matching, similarity matching, shape matching and point location learning.

Gas circuit control module 7: and programming by using a Mitsubishi PLC (programmable logic controller) and connecting the PLC control module 5 and the software end 6, specifically, controlling the PLC to output an IO (input/output) port signal and controlling the electromagnetic valve to suck so as to stretch the micro cylinder.

During actual installation, the output end of the CCD camera 4 is connected with a PC end 8, and the PC end 8 is connected with the software end 6.

The specific working steps of the invention are as follows:

the first step is as follows: measuring the appearance size, key distribution point position and power head point position of the telephone 12;

the second step is that: combining the size point location information, designing the positions of the carrier module 1 and the positioning hole 111 and the fixing position of the CCD camera 4;

the third step: matching each carrier and module position, installing a power supply module, an air path control module 7 and fixing the camera position;

the fourth step: the PLC control module 5 is debugged to control the IO output signal of the PLC and confirm whether the signal is normally controlled;

the fifth step: verifying the algorithm of the software terminal 6;

and a sixth step: the modules are in linkage verification, the telephone 12 is placed in the fixing groove 11 → the carrier module 1 is powered on in advance → the carrier module reaches the workstation 3 for testing → the sensor trigger software end 6 runs → the key module 2 descends to the right under the action of the telescopic air rod 32 → the PLC controls the action of the key module 2 → the CCD camera 4 collects screen display characters and transmits the screen display characters to the PC end 8 → the software end 6 carries out algorithm processing and judges;

the seventh step: and performing product batch verification after linkage verification is completed.

The advantages of the invention are as follows:

one) large allowed inbound error: the test system adopts paired integrated dies, the carrier module 1 at the bottom is provided with a positioning hole 111, and the top key module 2 is matched with the carrier module 1 at the bottom, so that large error of entering and exiting the station is allowed, and correction of various angles such as up-down, left-right, front-back inclination and the like can be realized.

II) high stability: the micro-motion integrated cylinder is adopted to replace manual button operation, so that visual fatigue caused by manual detection or telephone misoperation caused by manual misoperation can be avoided.

Thirdly), the reliability is high: after the keys are pressed, under the action of the CCD camera 4, key character display (such as pressing a 5 key and displaying on a screen 5) is carried out on the PC end 8, and by adopting the ORC function of the visual AOI, all 33 characters can be tested in 1s, and missing detection does not exist.

Fourthly), the efficiency is high: the automatic test system has the advantages that 33 keys are arranged on one IP telephone, 10-15 s are used for detecting one IP telephone in a traditional manual operation mode, the automatic test system adopts the air channel control module 7 on the computer to control the stretching of each micro-motion integrated cylinder 21 to simulate manual pressing of the buttons, only 4s are needed for completing all pressing, the detection time is greatly shortened, and the productivity can be obviously improved.

In conclusion, the invention has the advantages of large allowable station error, high stability, high reliability and high efficiency.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An automatic testing system for the function of a telephone key is characterized in that: the device is characterized by at least comprising carrier modules (1) and key modules (2) which are paired and correspond in position, wherein the upper surfaces of the carrier modules (1) are inwards sunken with fixing grooves (11), the lower surfaces of the fixing grooves (11) are provided with positioning holes (111), telephones (12) are placed inside the fixing grooves (11), and the lower surfaces of the key modules (2) are provided with micro-motion integrated cylinders (21) which are matched with keys of the telephones (12).

2. The automatic testing system for the functions of the keys of the telephone set as claimed in claim 1, wherein: the carrier module is characterized in that a work station (3) is arranged below the carrier module (1), a plurality of fixing frames (31) are arranged on the work station (3), and CCD cameras (4) with lenses facing a screen of the telephone (12) are fixed on the fixing frames (31).

3. The automatic testing system for the key function of the telephone set as claimed in claim 2, wherein: the fixed frame (31) is further fixed with a telescopic air rod (32), and one end of the telescopic air rod (32) is fixed on the key module (2).

4. An automatic test system for telephone key functions according to claim 2 or claim 3, characterized in that: still include plc control module (5), software end (6) and gas circuit control module (7), wherein:

plc control module (5): used for controlling the PLC to output IO port signals;

software end (6): distinguishing whether the key functions have abnormal conditions or not through algorithms of feature matching, similarity matching, shape matching and point location learning;

gas circuit control module (7): used for connecting a plc control module (5) and a software terminal (6).

5. The automatic testing system for the functions of the keys of the telephone set as claimed in claim 1, wherein: and an electrical interface reservation (112) which is matched with a power supply interface of the telephone (12) is arranged in the fixing groove (11).

6. The automatic testing system for the functions of the keys of the telephone set as claimed in claim 4, wherein: the output end of the CCD camera (4) is connected with a PC end (8), and the PC end (8) is connected with a software end (6).