CN101140311A - Connector contact condition automatic detection device and method - Google Patents
Connector contact condition automatic detection device and method Download PDFInfo
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- CN101140311A CN101140311A CNA200710079361XA CN200710079361A CN101140311A CN 101140311 A CN101140311 A CN 101140311A CN A200710079361X A CNA200710079361X A CN A200710079361XA CN 200710079361 A CN200710079361 A CN 200710079361A CN 101140311 A CN101140311 A CN 101140311A
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- veneer
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- backboard
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Abstract
The present invention discloses an automatic detector and a method for connector contact state. The detector comprises a backboard detecting signal grounding unit to select N signal cables on one or a plurality of backboards and ground N signal cables. Wherein, N is an integral more than 3. A veneer detecting signal upper unit is provided for N signal cables on the veneer corresponding to N signal cables on one or a plurality of selected backboards and to pull up N signal cables on the veneer through a pull up resistance. A result processing unit is arranged for N signal cables connected with the veneer and to conduct logic processing to signals on N signal cables. As for calculating results of high level, it is necessary to confirm problem of connector connect and warn. The present invention adopts a hardware method to judge contact state of veneer connector, overcomes defects of software judgment, simply and effectively realizes detecting function for contact state of veneer connectors and improves reliability, timeliness and detecting efficiency.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of connector contact condition automatic detection device and method.
Background technology
In communication apparatus, one cover is finished the equipment of specific function and often is made up of the module or the veneer of multiple difference in functionality, module that these are different and veneer, socket by backboard on hardware is bound up, form complete system by communication bus and one or more master control veneer, thus the various functions of the equipment of realization.The veneer that these are bound up by socket and backboard behind normal the startup, must be judged the situation that is connected between veneer and the socket by self-checking, wherein, determines that veneer reliably is the condition precedent of the normal operation of veneer in the connection of hardware.Therefore, whether the hardware connector contact condition that need find a kind of reliable and stable method to detect between veneer and the backboard is seated, and is on the normal connection basis correctly judging veneer and backboard only, and veneer could normally carry out work.
In present communication field, for saving cost and adapting to the various demand of client, a kind of veneer of certain specific function of realizing is combined by different hardware modules often, these hardware modules tend to be designed to independent subcard in the application of reality, one or more subcards link together by socket and veneer, finish the task that the function veneer is born jointly.Because these subcards are to be inserted in the veneer surface physically, can't design independent structural orientation device, therefore, cause subcard to insert askew situation not in place or slotting when being seated easily, cause connector contact condition unusual, influence the normal function of veneer.
In addition, the method that is used to detect the veneer connector contact condition in communication apparatus is mainly finished by software approach, test the hardware of judging veneer such as the function that needs is realized by veneer and connect situation, this method is after single board starting is finished, the function that veneer is realized needs is tested one by one, result by these tests judges whether the connector contact condition of veneer and backboard is good, this method needs veneer to move normal function to detect, and needs all states of scanning single board interface signals.This method exists test incomplete, and therefore long and inefficient shortcoming of test duration is not suitable for using in production test.For some complicated veneers, owing to be connected with system, realize that whole Function detection is very difficult by a plurality of sockets, particularly to those signals that need under abnormal conditions, just work, be difficult to by realizing that function detects.In addition, judge whether operate as normal of veneer, can't judge fast and cause unusually by the veneer connector contact that or board software or other reason cause by the method for software.
At application number is CN03115979, and patent name is used the mode of bus and judged that veneer is on the throne in the Chinese patent of " a kind of device of judging that veneer is on the throne ", and the resource that this method takies is more, and does not relate to the problem that is seated.In addition, application number is CN03275931, and patent name does not relate to the problem that is seated for the Chinese patent of " a kind of veneer indicating circuit on the throne " also only relates to Signal Processing problem on the throne.
Summary of the invention
At the problems referred to above, the invention provides a kind of connector contact condition automatic detection device and method, it judges the contact condition of veneer connector by hardware approach, the automatic measuring ability of veneer connector contact condition be can realize simply and effectively, reliability, real-time and detection efficiency improved.
A kind of connector contact condition automatic detection device of the present invention comprises: backboard detection signal ground unit be used to select the N root signal wire on one or more backboards, and with N root signal wire ground connection, wherein, N is the integer more than or equal to 3; Veneer detection signal pull-up unit is used for selecting on one or more veneers and the corresponding N root signal wire of N root signal wire on the backboard, and draws on the N root signal wire on the selected veneer undertaken by pull-up resistor; The result treatment unit is used to be connected to the N root signal wire on the veneer, and the signal on the N root signal wire is carried out logical OR handle, and is under the situation of high level at operation result, determines connector contact existing problems and alarms.
Wherein, the position of N root signal wire on backboard of backboard detection signal ground unit selection is not point-blank.
Wherein, backboard detection signal ground unit is selected 3 signal wires on backboard.Wherein, the position of 3 signal wires on backboard of backboard detection signal ground unit selection becomes equilateral triangle.
Wherein, under the situation of selecting the N root signal wire on a plurality of backboards, the position of a plurality of backboards is not point-blank.
A kind of connector contact condition automatic testing method of the present invention, its step comprises: S202 select the N root signal wire on one or more backboards, and with N root signal wire ground connection, wherein, N is the integer more than or equal to 3; S204 selects on a plurality of veneers and the corresponding N root signal wire of N root signal wire on the backboard, and draws on the N root signal wire on the selected veneer undertaken by pull-up resistor; And S206, the signal on the N root signal wire on the veneer carries out logical OR to be handled, and is under the situation of high level at operation result, determines connector contact existing problems and alarms.
Wherein, the position of N root signal wire on backboard of selection is not point-blank.
Wherein, on backboard, select 3 signal wires.The position of 3 signal wires selecting on backboard becomes equilateral triangle.
Wherein, under the situation of selecting the N root signal wire on a plurality of backboards, the position of a plurality of backboards is not point-blank.
The invention provides a kind of in communication apparatus and system, be used to judge veneer connector contact condition, the perhaps automatic testing method of reconstituted veneer assembly connector contact condition and device.The present invention judges the veneer connector contact condition by the method for hardware, overcome the complicacy of judging with software and needed shortcomings such as software participation, thereby can realize the measuring ability of veneer connector contact condition simply and effectively, its reliability, real-time and efficient all greatly improve.
Description of drawings
Shuo Ming accompanying drawing is used to provide further understanding of the present invention herein, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 is the structural drawing of a kind of connector contact condition automatic detection device of the present invention;
Fig. 2 is the process flow diagram of a kind of connector contact condition automatic testing method of the present invention;
Fig. 3 is the structural representation of the single-socket signal lines of the embodiment of the invention;
Fig. 4 is that the veneer of the embodiment of the invention is seated the schematic diagram that signal is judged; And
Fig. 5 is the structural representation of many socket detection signal wire of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in detail.
The present invention utilizes 3 mathematical principles of determining a plane, detects the contact condition of the veneer connector that needs connection.In the present invention, use the idle pin of the normal hardware gang socket of adopting in the communication facilities, as the detection hardware of logic determines veneer connector contact condition, the signal of these interfaces is determined the contact condition of veneer connector by simple logic determines then.The versatility of this mode is good, and cost is low, and can greatly improve accuracy and real-time that veneer is seated, thereby improves the stability of system.
Fig. 1 is the structural drawing of a kind of veneer connector contact condition automatic detection device of the present invention, as shown in the figure, this device comprises: backboard detection signal ground unit 102, be used to select the N root signal wire on one or more backboards, and with N root signal wire ground connection, wherein, N is the integer more than or equal to 3; Veneer detection signal pull-up unit 104 is used for selecting on one or more veneers and the corresponding N root signal wire of N root signal wire on the backboard, and draws on the N root signal wire on the selected veneer undertaken by pull-up resistor; Result treatment unit 106 is used to be connected to the N root signal wire on the veneer, and the signal on the N root signal wire is carried out logical OR handle, and is under the situation of high level at operation result, determines connector contact existing problems and alarms.
Wherein, the position of N root signal wire on backboard of backboard detection signal ground unit selection is not point-blank.
Wherein, backboard detection signal ground unit is selected 3 signal wires on backboard.The position of 3 signal wires that backboard detection signal ground unit is selected on backboard becomes equilateral triangle.
Wherein, under the situation of selecting the N root signal wire on a plurality of backboards, the position of a plurality of backboards is not point-blank.
A kind of connector contact condition automatic testing method of the present invention, its step be as shown in Figure 2:
At first, select N root signal wire on one or more backboards as signal lines, and with N root signal wire ground connection, wherein, N is the integer (S202) more than or equal to 3.The selection of the check point of socket is a key of judging the contact condition of veneer and back panel connector, by to the reading and logic determines of the signal of the check point on veneer socket plane, thereby the veneer socket is detected in the situation that level is seated.The position of general selected N root signal wire on backboard can be into the position of equilateral triangle not point-blank, and under the situation of selecting the N root signal wire on a plurality of backboards, and the position of a plurality of backboards is not point-blank yet.
Secondly, according to the structure of socket,, be used to detect the contact condition of veneer connector selecting the N root signal wire corresponding to be seated signal wire on one or more veneers as veneer with N root signal wire on the backboard.If veneer is good with contacting of back panel connector, then veneer is seated the low level that is input as of detection signal.Veneer is seated detection signal and is input to veneer from the backboard socket, draws on carrying out through pull-up resistor again, and when veneer contacts with the connector of backboard when unusual, the veneer signal lines does not contact with backboard, and veneer is seated the high level that is input as of detection signal; After the connector of veneer and backboard was seated fully, veneer was seated detection signal and digitally is changed to low level by backboard.Therefore, just can test out the connection status (S204) of veneer and backboard on this contact point by the variation that detects veneer signal lines level.
At last, after the signal of the N root signal wire on the veneer carries out the logical OR processing,, be under the situation of high level at operation result to the contact condition of result treatment unit output veneer connector, determine connector contact existing problems and alarm (S206).
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 3 is the structural representation of the single-socket signal lines of the embodiment of the invention.As shown in the figure, this structure mainly is made up of two partial contents: the selection of the selection of check point quantity and check point position.
Wherein, the socket detection point can be selected 3, and as forming 3: 302,304 and 306 of triangle geometry figure among Fig. 3, the selection of check point is a key of judging whether veneer is seated.By reading and logic determines to the signal of the check point on veneer socket plane, thereby the veneer socket is detected in the situation that level is seated, so, the socket detection point selection is many more, and the accuracy that veneer is seated judgement is just good more, still, adopt more check point can take the resource of system, the utilization ratio of reduction system, therefore, the check point quantity of employing is generally 3.According to 3 principles of determining planes on same straight line not, just can judge the combination degree on the socket plane and the backboard plane of veneer.
After the check point quantity of socket was determined, next problem was exactly to need to determine the position of check point in socket.The choice of location of socket detection point need be judged according to the feature of socket, according to 3 principles of determining planes on same straight line not in how much, check point is not placed on conplane same the straight line, as far as possible check point is pressed equilateral triangle and is placed.Fig. 3 is the situation of single-socket, therefore only needs to select two check points on longest edge, chooses a check point again in the centre of opposite side, just can finish the detection on whole socket plane.For the situation of many sockets, a plurality of sockets are combined with geometric figure, according to the choice of location principle of a socket, just can finish the selection of the check point position of many sockets again.
Fig. 4 is that the veneer of the embodiment of the invention is seated the signal judgment schematic diagram.402 and 404 is two ends of connector contact point among the figure, and wherein 302 is socket contact points on the backboard, the 404th, and the plug contact point on the veneer.The input signal of veneer is directly connected to digitally on backboard by socket, if veneer is good with contacting of backboard, the detection signal input that veneer is seated is a low level.Pull-up resistor 406, Logical processing unit 408, controlled processing unit 410 are arranged on the veneer, veneer is seated after detection signal is input to veneer from the backboard socket, on carrying out, draws process pull-up resistor 406, when veneer is not seated, veneer is seated detection signal and does not contact with backboard, and it is high level that veneer is seated detection signal; After veneer is seated, veneer be seated detection signal by backboard digitally be changed to low level, therefore,, just can test out the situation that contacts of veneer and backboard on this contact point by detecting the variation that veneer is seated the signal lines level.In conjunction with Fig. 3, test by selecting on the physical plane three check points, by 3 principles of determining planes, thereby whether the contact plane that can test out veneer and backboard is good.
Wherein, the 408th, veneer is seated the Logical processing unit of detection signal, after the input signal of three check points is through 408, handle through logical OR, if three are seated signal all is low level, 408 logic is output as low, shows that veneer all contacts well with three check points of the socket of backboard, and the socket of veneer and backboard is seated.Be seated signal and have a test point contact when three, owing to 406 pull-up resistors draw on signal lines has been carried out, the detection signal of this test point is a high level.Therefore, three signal wires that are input to logical block have a high level, and after the process logical block was carried out the logical OR processing, logical block was output as high level, shows that veneer has some to contact not exclusively with three test points of backboard, and veneer is inserted.
Wherein, the 410th, the controlled processing unit of veneer, whether the veneer detection signal that its receive logic unit 408 was handled is seated fully veneer and backboard and judges, makes corresponding processing simultaneously.Generally speaking, controlled processing unit can be notified the maintainer by pilot lamp or other alarm mode when detecting veneer and be not seated, show that veneer is not seated, and veneer can not be finished and require the function that realizes in the design.
Fig. 5 is the structure of the signal lines of many sockets, the selection of the signal lines of many sockets is identical with the principle of single-socket, a plurality of sockets are equal on physical arrangement and a socket, as far as possible check point is placed by equilateral triangle, it among the figure constitutional diagram of three sockets, wherein 502,504 and 506 three check points for selection by detecting the detection signal that is seated of three points, can test out the situation that is seated of many sockets.
Those skilled in the art will readily understand additional advantages and modifications of the present invention.Therefore, above-mentioned at embodiment be described as the concrete Application Example of the present invention, the present invention aspect widely is not limited to the specific detail and the exemplary embodiments that illustrate and describe herein.Therefore, can under the condition that does not break away from by claim and the spirit or scope of the present invention that equivalent limited thereof, make various modifications.
Claims (10)
1. connector contact condition automatic detection device is characterized in that comprising:
Backboard detection signal ground unit be used to select the N root signal wire on one or more backboards, and with described N root signal wire ground connection, wherein, N is the integer more than or equal to 3;
Veneer detection signal pull-up unit is used for selecting on one or more veneers and the corresponding N root signal wire of N root signal wire on the described backboard, and draws on the N root signal wire on the selected veneer undertaken by pull-up resistor;
The result treatment unit is used to be connected to the N root signal wire on the described veneer, and the signal on the described N root signal wire is carried out logical OR handle, and is under the situation of high level at operation result, determines connector contact existing problems and alarms.
2. connector contact condition automatic detection device according to claim 1 is characterized in that, the position of N root signal wire on backboard that described backboard detection signal ground unit is selected is not point-blank.
3. connector contact condition automatic detection device according to claim 1 is characterized in that, described backboard detection signal ground unit is selected 3 signal wires on described backboard.
4. connector contact condition automatic detection device according to claim 3 is characterized in that, the position on backboard of 3 signal wires that described backboard detection signal ground unit is selected becomes equilateral triangle.
5. according to each described connector contact condition automatic detection device in the claim 1 to 4, it is characterized in that under the situation of selecting the N root signal wire on a plurality of backboards, the position of described a plurality of backboards is not point-blank.
6. a connector contact condition automatic testing method is characterized in that, said method comprising the steps of:
S202 selects the N root signal wire on one or more backboards, and with described N root signal wire ground connection, wherein, N is the integer more than or equal to 3;
S204 is selecting on one or more veneers and the corresponding N root signal wire of N root signal wire on the described backboard, and draws on the N root signal wire on the selected veneer undertaken by pull-up resistor; And
S206 carries out logical OR with the signal on the N root signal wire on the described veneer and handles, and is under the situation of high level at operation result, determines connector contact existing problems and alarms.
7. connector contact condition automatic testing method according to claim 6 is characterized in that, the position of N root signal wire on backboard of selection is not point-blank.
8. connector contact condition automatic testing method according to claim 6 is characterized in that, selects 3 signal wires on described backboard.
9. connector contact condition automatic testing method according to claim 8 is characterized in that, the position of 3 signal wires of selection on backboard becomes equilateral triangle.
10. according to each described connector contact condition automatic testing method in the claim 6 to 9, it is characterized in that under the situation of selecting the N root signal wire on a plurality of backboards, the position of described a plurality of backboards is not point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710079361XA CN101140311A (en) | 2007-02-15 | 2007-02-15 | Connector contact condition automatic detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710079361XA CN101140311A (en) | 2007-02-15 | 2007-02-15 | Connector contact condition automatic detection device and method |
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| CN101140311A true CN101140311A (en) | 2008-03-12 |
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| CNA200710079361XA Pending CN101140311A (en) | 2007-02-15 | 2007-02-15 | Connector contact condition automatic detection device and method |
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| CN102445624A (en) * | 2011-12-19 | 2012-05-09 | 四川长虹电器股份有限公司 | Plug detection device |
| CN102998576A (en) * | 2011-09-09 | 2013-03-27 | 株式会社日本显示器东 | Connector connection checking circuit and method, display device and manufacturing method thereof |
| CN103399252A (en) * | 2013-08-09 | 2013-11-20 | 深圳市易能电气技术有限公司 | Detection device and detection method for port plug-in connection |
| CN104458047A (en) * | 2014-12-04 | 2015-03-25 | 深圳市英威腾电气股份有限公司 | Temperature sensor insertion state detecting circuit and temperature detecting circuit |
| CN104655970A (en) * | 2013-11-19 | 2015-05-27 | 佛山市顺德区顺达电脑厂有限公司 | Clamp detection device and clamp detection method |
| WO2016082641A1 (en) * | 2014-11-25 | 2016-06-02 | 中兴通讯股份有限公司 | Method, apparatus and system for detecting joining between board and backplane, board, and backplane |
| CN107918080A (en) * | 2016-10-11 | 2018-04-17 | 大陆汽车电子（连云港）有限公司 | Sensor connection state detection method, device and sensor |
| CN108784635A (en) * | 2018-07-17 | 2018-11-13 | 重庆金山医疗器械有限公司 | A kind of endoscopic system and method that light source is automatically closed |
| CN110824387A (en) * | 2019-10-25 | 2020-02-21 | 苏州浪潮智能科技有限公司 | Device and method for detecting cable connection |
| CN110907857A (en) * | 2019-12-10 | 2020-03-24 | 思尔芯(上海)信息科技有限公司 | FPGA-based connector automatic detection method |
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- 2007-02-15 CN CNA200710079361XA patent/CN101140311A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102998576A (en) * | 2011-09-09 | 2013-03-27 | 株式会社日本显示器东 | Connector connection checking circuit and method, display device and manufacturing method thereof |
| CN102998576B (en) * | 2011-09-09 | 2015-07-15 | 株式会社日本显示器 | Connector connection checking circuit and method, display device and manufacturing method thereof |
| CN102445624A (en) * | 2011-12-19 | 2012-05-09 | 四川长虹电器股份有限公司 | Plug detection device |
| CN103399252B (en) * | 2013-08-09 | 2016-02-17 | 深圳易能电气技术股份有限公司 | The pick-up unit of port grafting and detection method |
| CN103399252A (en) * | 2013-08-09 | 2013-11-20 | 深圳市易能电气技术有限公司 | Detection device and detection method for port plug-in connection |
| CN104655970A (en) * | 2013-11-19 | 2015-05-27 | 佛山市顺德区顺达电脑厂有限公司 | Clamp detection device and clamp detection method |
| CN105656710A (en) * | 2014-11-25 | 2016-06-08 | 中兴通讯股份有限公司 | Method for detecting single board, hardware device and system |
| WO2016082641A1 (en) * | 2014-11-25 | 2016-06-02 | 中兴通讯股份有限公司 | Method, apparatus and system for detecting joining between board and backplane, board, and backplane |
| CN104458047A (en) * | 2014-12-04 | 2015-03-25 | 深圳市英威腾电气股份有限公司 | Temperature sensor insertion state detecting circuit and temperature detecting circuit |
| CN107918080A (en) * | 2016-10-11 | 2018-04-17 | 大陆汽车电子（连云港）有限公司 | Sensor connection state detection method, device and sensor |
| CN107918080B (en) * | 2016-10-11 | 2020-12-18 | 大陆汽车电子（连云港）有限公司 | Sensor connection state detection method and device and sensor |
| CN108784635A (en) * | 2018-07-17 | 2018-11-13 | 重庆金山医疗器械有限公司 | A kind of endoscopic system and method that light source is automatically closed |
| CN110824387A (en) * | 2019-10-25 | 2020-02-21 | 苏州浪潮智能科技有限公司 | Device and method for detecting cable connection |
| CN110824387B (en) * | 2019-10-25 | 2021-10-26 | 苏州浪潮智能科技有限公司 | Device and method for detecting cable connection |
| CN110907857A (en) * | 2019-12-10 | 2020-03-24 | 思尔芯(上海)信息科技有限公司 | FPGA-based connector automatic detection method |
| CN110907857B (en) * | 2019-12-10 | 2022-05-13 | 上海国微思尔芯技术股份有限公司 | Automatic connector detection method based on FPGA |
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Open date: 20080312 |