CN102522973A - Switching value input device, switching value input design method and switching value input detection method - Google Patents
Switching value input device, switching value input design method and switching value input detection method Download PDFInfo
- Publication number
- CN102522973A CN102522973A CN2011104051140A CN201110405114A CN102522973A CN 102522973 A CN102522973 A CN 102522973A CN 2011104051140 A CN2011104051140 A CN 2011104051140A CN 201110405114 A CN201110405114 A CN 201110405114A CN 102522973 A CN102522973 A CN 102522973A
- Authority
- CN
- China
- Prior art keywords
- switch
- input
- switching value
- port
- electronic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title abstract description 7
- 238000013461 design Methods 0.000 title abstract description 4
- 230000001960 triggered effect Effects 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
- H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
Abstract
The invention relates to a switching value input device, a design method and a detection method. The electronic control unit includes a plurality of input/output ports. N of the input/output ports are defined as input ports and the other M are defined as output ports. The switch includes N group and every group has M, and the first end of M switch in every group is connected with M output port respectively and the second end is in the same place and is connected with one in N input port in parallel. The electronic control unit is configured to: the M output ports simultaneously output specific potentials and detect the N input ports to judge whether a switch is triggered in the switch, and after judging that the switch is triggered, the M output ports sequentially output the specific potentials and detect the N input ports to determine the triggered switch. The invention adopts line-by-line scanning to identify the triggered switch by connecting the switching value inputs into a matrix, thereby greatly improving the input capability of the switching value of the control system.
Description
Technical field
The present invention relates to a kind of switching value input detection device, particularly switching value input unit, switching value input method for designing and detection method.
Background technology
In recent years, along with improving constantly of construction demand, engineering machinery intelligent degree, the control system function of engineering machinery presents input variable, detection limit increases, and module is divided the work refinement more, control effect meticulousr development trend.The input controlled quentity controlled variable of being on the increase requires corresponding the increasing of quantity of I/O (I/O) port of the electronic control unit that engineering machinery uses.In fact an electronic control unit is in a single day selected, and the quantity of input/output end port is just confirmed, can't arbitrarily be increased.So, often not enough in the real work because of input/output end port, and remove to reselect the electronic control unit that a performance is more powerful, price is higher.If this problem occurs in performance boost stage of matured product, often need spend bigger workload and remove again type selecting, design, detail programming again, spend bigger manpower and materials.
As shown in Figure 1, switch S
11, S
21..., S
M1Be connected with electronic control unit 210 through lead, M switch arranged, just need M bar lead, and take the input port of electronic control unit 210; Also promptly, switch S
11, S
21..., S
M1Are man-to-man connections directly, do not have optimization with the input port of electronic control unit 210.Electronic control unit 210 is according to each switch S of reading in
11, S
21..., S
M1State control the execution of internal processes.The quantity of the input port of electronic control unit 210 is limited, and when a control system required more switch is arranged, the input port of an electronic control unit 210 often can't satisfy the demands.
For solving the not enough problem of Electronic Control end member input port, prior art has proposition to expand with the input quantity of another electronics input unit switch amount through bus.As shown in Figure 2, switch S
11, S
21..., S
M1Be connected with electronics input unit 320 through lead, M switch arranged, M bar lead is just arranged.Be connected through bus between electronics input unit 320 and the electronic control unit 310.Electronics input unit 320 reads in the state S of each switch
11, S
21..., S
M1, then with switch S
11, S
21..., S
M1State send to electronic control unit 310 via bus.Electronic control unit 310 is according to each switch S that obtains from bus
11, S
21..., S
M1State control the execution of internal processes.Yet, extraly among Fig. 2 having increased an electronics input unit 320, the increase that has brought cost, and many elements with regard to many fault points, have increased error probability.
Summary of the invention
Therefore, the present invention provides switching value input unit, switching value input method for designing and inspection method, with defective that exists in the prior art and the input quantity that improves switching value.
Particularly, a kind of switching value input unit that the embodiment of the invention proposes, it comprises an electronic control unit and a plurality of switch.Electronic control unit comprises a plurality of input/output end ports.N in the said input/output end port is defined as input port, and the individual output port that is defined as of other M; M, N are all the positive integer greater than 1.Said switch is divided into N group and each group has M, first end of M switch in each group is electrically connected with a said M output port respectively and second end connects together with a said N input port in a corresponding person be electrically connected.In addition; Whether said electronic control unit: exporting a specific potential simultaneously and detect a said N input port from a said M output port has switch to be triggered to judge in the said switch if being configured to, and after judgement has switch to be triggered, export said specific potential in regular turn and detect the switch of a said N input port to confirm to be triggered from a said M output port.
In other embodiments, individual second input port that also may be defined as of the Y in addition in the above-mentioned input/output end port, each in individual second input port of said Y only is electrically connected with single switch, and Y is a positive integer.
A kind of switching value input method for designing that the embodiment of the invention proposes, it comprises step: the importance degree of judging a plurality of switches that are used to provide the switching value input; Making importance degree in the said switch is the first input end mouth that high single switch is electrically connected an electronic control unit; And be that low a plurality of switches divide into groups, and a plurality of output ports that a plurality of switches in each group are electrically connected same second input port of said electronic control unit and are electrically connected to said electronic control unit respectively to importance degree in the said switch.
A kind of switching value input unit that another embodiment of the present invention proposes, it comprises an electronic control unit and a plurality of switch.Said electronic control unit comprises N input port and M output port, and a said N input port is electrically connected with N bar first lead respectively, and a said M output port is electrically connected with M bar second lead respectively, and M, N are all the positive integer greater than 1.In said N bar first lead arbitrary be electrically connected with said M bar second lead respectively through M switch in the said switch and said M bar second lead in arbitrary N switch that passes through in the said switch be electrically connected with said N bar first lead respectively, to form a switching value input matrix.
In other embodiments, said electronic control unit also can comprise at least one second input port, and any in said second input port only is electrically connected single switch.
A kind of switching value input detecting method that the embodiment of the invention proposes; Be suitable for being executed in above-mentioned switching value input unit, it comprises step: provide a specific potential respectively to said M bar second lead and detect current potential and the testing result of winning of a said N input port simultaneously via a said M output port; Judged whether that according to said first testing result switch is triggered; Be triggered when judgement has switch, via a said M output port said specific potential to said M bar second lead is provided in regular turn and detect a said N input port current potential and must second testing result; And confirm the switch that is triggered according to said second testing result.Wherein, specific potential for example is a high potential.
In brief; The embodiment of the invention connects into matrix form with the switching value input; Adopt progressive scan mode to discern the switch that is triggered, therefore can significantly improve the input capability of the switching value of control system, solved the problem that the electronic control unit that brings because of the input port deficiency is remodeled.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the structural representation of a kind of switching value input unit of the prior art.
Fig. 2 is the structural representation of another kind of switching value input unit of the prior art.
Fig. 3 is the structural representation of a kind of switching value input unit of embodiment of the invention proposition.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To switching value input unit, switching value input method for designing and its embodiment of detection method, method, step and the effect that proposes according to the present invention, specify as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can clearly appear in following the cooperation in the graphic preferred embodiment detailed description of reference.Through the explanation of embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet the appended graphic usefulness that only provides reference and explanation be not to be used for the present invention is limited.
See also Fig. 3, it is the structural representation according to the switching value input unit 100 that one embodiment of the invention disclosed.As shown in Figure 3, switching value input unit 100 comprises a plurality of switch S that are used to provide the switching value input
A1, S
B1And S
11, S
21..., S
MNAnd electronic control unit 110; Each switch comprises first end 101 and second end 102 and control end (not indicating).Wherein, the switching value input relevant with the construction safety performance is decided to be the importance degree one-level, like the input of switch S A1; Control system servo-actuated property is good, and input requires the high switching value input of real-time to be decided to be the importance degree secondary, like the input of switch S B1; All the other real-times are less demanding, and the switching value input not really close with security relationship is decided to be three grades of importance degrees, like switch S
11, S
21..., S
MNInput.To importance degree is three grades switching value input, and the input mode that adopts matrix-scanning is to widen switching value input quantity, and importance degree is the switching value input of one-level, secondary, does not adopt the input mode of matrix-scanning.
In Fig. 3; (N+2) individual I/O of electronic control unit 110 left ends (Input/Output, I/O) port definition is an input port, the high potential input is effectively; The M of its a right-hand member input/output end port is defined as output port, and correspondingly effectively exports for high potential; M, N are all the positive integer greater than 1.The M of electronic control unit 110 output port difference electrical connecting wire C
1, C
2..., C
M, N input port difference electrical connecting wire R
1, R
2..., R
NAnd other is 2 input ports difference electrical connecting wire X
1And X
2
For the switch S of importance degree for high (for example importance degree is one-level, secondary)
A1, S
B1: its first end 101 receives fixed potentials, for example is electrically connected a supply voltage or also can be connected to another or two output ports of electronic control unit 110; Its second end 102 is electrically connected to lead X respectively
1And X
2Work as switch S
A1, S
B1In have switch to be triggered, then can be through detecting and lead X
1And X
2The current potential of each input port of the electronic control unit 10 that is electrically connected and directly definite.
For switch S
11, S
21..., S
MN: it is divided into the N group, and each group has M.For example first group by M switch S
11, S
21..., S
M1Constitute, first group by M switch S
12, S
22..., S
M2Constitute, N organizes by M switch S
1N, S
2N..., S
MNConstitute.And, each the group in M switch first end 101 respectively with lead C
1, C
2..., C
MThe electrical connection and second end 102 connect together and lead R
1, R
2..., R
NIn a corresponding person be electrically connected.In other words, lead R
1, R
2..., R
NIn arbitrary (R for example
N) through M switch (S for example
1N, S
2N..., S
MN) respectively with lead C
1, C
2..., C
MBe electrically connected and lead C
1, C
2..., C
MIn arbitrary (C for example
M) through N switch (S for example
M1, S
M2..., S
MN) respectively with lead R
1, R
2..., R
NBe electrically connected, to form a M * N switching value input matrix.
For the switch S in identification M * N switching value input matrix
11, S
21..., S
MNIn whether have switch to be triggered then to be and adopt progressive scan mode, whether concrete steps: at first judging in M * N switching value input matrix has switch to be triggered if can be.The M of electronic control unit 110 output port is to lead C
1, C
2..., C
MExport specific potential simultaneously, high potential for example, and at N input port place to lead R
1, R
2..., R
NInput detect, as long as detect lead R
1, R
2..., R
NThe high potential input is arranged on any one, then represent M * N switch S
11, S
21..., S
MNIn have switch to be triggered, and the switch that is triggered is arranged in this group switch that high potential input is arranged.
Afterwards, after judgement has switch to be triggered, can get into the particular location deterministic process of the switch that is triggered.After promptly judgement has switch to be triggered, time-delay a period of time (, also can not carry out delay procedure) if the cycle period of program is longer, and in the delay time section, the M of electronic control unit 110 output port is in regular turn to lead C
1, C
2..., C
MThe output high potential is for example at lead C
1, C
2..., C
MIn a certain lead when being high potential, other leads are all electronegative potential.Detect lead R again at N input port place then
1, R
2..., R
NThe current potential current potential of input.As lead R
1, R
2..., R
NIn a certain when going up to high potential, then judge this lead and lead C this moment
1, C
2..., C
MIn the switch of the person's infall that is changed to the high potential be pressed.For example, as lead C
MWhen being changed to high potential, detect lead R
NGo up to high potential, then can confirm lead C
MWith lead R
NThe switch S of infall
MNBe triggered.
In addition, it is understandable that, after judgement has switch to be triggered, also can design not need to lead R
1, R
2..., R
NAll N input port that is electrically connected respectively carries out current potential and detects.For example, when detecting and lead R
NM the switch S that is electrically connected
1N, S
2N..., S
MNIn have switch to be triggered, at lead C
1, C
2..., C
MBe changed in regular turn in the process of high potential, only need to detect and lead R
NThe input port that is electrically connected gets final product, and can determine the particular location of the switch that is triggered equally.
Be example with 4 * 4 switching value input matrixes (value that also is M, N is all 4) below, specify as follows:
After electronic control unit 110 has detected switch and has been triggered, time-delay a period of time, and in the delay time section, lead C
1, C
2, C
3, C
4On current potential combination be in regular turn: " 1000 ", " 0100 ", " 0010 ", " 0001 "; Wherein electronegative potential is represented in " 0 ", and high potential is represented in " 1 ".Electronic control unit 110 reads lead R
1, R
2, R
3, R
4On current potential, if at lead C
1, C
2, C
3, C
4On current potential when being combined as " 0100 ", read lead R
2On current potential be high potential, then can judge lead R
2With the lead C that is changed to high potential
2The switch S of infall
22Be triggered.
The embodiment of the invention through changing the mode of connection, changes the switch input recognition method under the prerequisite that does not change hardware, improved the input quantity of switching value.With 4 * 4 switching value input matrixes is example, same 8 leads of 8 input/output end ports, and the embodiment of the invention can realize the input of 4x4=16 switching value.And along with the increase of row matrix column number, the increase of switching value input quantity is more obvious.The embodiment of the invention can solve the problem that the electronic control component upgrading that causes because the switching value input port is not enough is remodeled more expediently, makes construction machinery product control system upgrading work more light, is more convenient for safeguarding, has practiced thrift cost.
In addition, based on the pro forma distortion of the same principle of lining by line scan, still belong to protection category of the present invention.As input and output port through on draw or the combination of pull down resistor, port height effective efficiency, form new circuit form etc.
In addition, the step that can summarize the switching value input method for designing that the embodiment of the invention proposes from the narration of the above embodiment of the present invention is: the importance degree of judging a plurality of switches that are used to provide the switching value input; Make importance degree in the said switch be high single switch be electrically connected electronic control unit a first input end mouth (for example with lead X
1And X
2One of input port that is electrically connected); And be that low a plurality of switches divide into groups, and a plurality of switches in each group are electrically connected to one of a plurality of second input ports of said electronic control unit (for example with lead R to importance degree in the said switch
1, R
2..., R
NOne of N input port that is electrically connected respectively) and a plurality of output ports that are electrically connected to said electronic control unit respectively (for example with lead C
1, C
2..., C
MM the output port that is electrically connected respectively).
Moreover the step that can summarize the switching value input detecting method that the embodiment of the invention proposes from the narration of the above embodiment of the present invention is: provide a specific potential respectively to M bar second lead (lead C for example simultaneously via M output port
1, C
2..., C
M) and detect N input port (for example with lead R
1, R
2..., R
NThe input port that is electrically connected respectively) current potential and the testing result of winning; Judged whether that according to first testing result switch is triggered; Be triggered when judgement has switch, via a said M output port said specific potential to said M bar second lead is provided in regular turn and detect a said N input port current potential and must second testing result; And the particular location of the switch of confirming according to said second testing result to be triggered.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (6)
1. a switching value input unit comprises an electronic control unit and a plurality of switch, and said electronic control unit comprises a plurality of input/output end ports, it is characterized in that,
N in the said input/output end port be defined as input port and in addition M be defined as output port, M, N are all positive integer and greater than 1;
Said switch is divided into N group and each group is M, first end of M switch in each group in the said N group is electrically connected with a said M output port respectively and second end connects together with a said N input port in a corresponding person be electrically connected; And
Whether said electronic control unit: exporting a specific potential simultaneously and detect a said N input port from a said M output port has switch to be triggered to judge in the said switch if being configured to, and after judgement has switch to be triggered, export said specific potential in regular turn and detect the switch of a said N input port to confirm to be triggered from a said M output port.
2. switching value input unit as claimed in claim 1 is characterized in that, individual second input port that is defined as of the Y in addition in the said input/output end port, and each in individual second input port of said Y only is electrically connected with single switch, and Y is a positive integer.
3. a switching value input method for designing is characterized in that, comprises step:
Judge the importance degree of a plurality of switches be used to provide the switching value input;
Making importance degree in the said switch is the first input end mouth that high single switch is electrically connected an electronic control unit; And
To importance degree in the said switch is that low a plurality of switches divide into groups, and with a plurality of switches a plurality of output ports that are electrically connected to same second input port of said electronic control unit and are electrically connected to said electronic control unit respectively in each group.
4. a switching value input unit comprises an electronic control unit and a plurality of switch, it is characterized in that,,
Said electronic control unit comprises N input port and M output port, and a said N input port is electrically connected with N bar first lead respectively, and a said M output port is electrically connected with M bar second lead respectively, and M, N are all the positive integer greater than 1; And
In said N bar first lead arbitrary be electrically connected with said M bar second lead respectively through M switch in the said switch and said M bar second lead in arbitrary N switch that passes through in the said switch be electrically connected with said N bar first lead respectively, to form a switching value input matrix.
5. switching value input unit as claimed in claim 4 is characterized in that, said electronic control unit also comprises at least one second input port, and any in said second input port only is electrically connected single switch.
6. a switching value input detecting method is executed in switching value input unit as claimed in claim 4, it is characterized in that, comprises step:
Provide a specific potential respectively to said M bar second lead and detect current potential and the testing result of winning of a said N input port simultaneously via a said M output port;
Judged whether that according to said first testing result switch is triggered;
Be triggered when judgement has switch, via a said M output port said specific potential to said M bar second lead is provided in regular turn and detect a said N input port current potential and must second testing result; And
Confirm the switch that is triggered according to said second testing result.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104051140A CN102522973A (en) | 2011-12-08 | 2011-12-08 | Switching value input device, switching value input design method and switching value input detection method |
| PCT/CN2012/082353 WO2013082972A1 (en) | 2011-12-08 | 2012-09-28 | Discrete input apparatus, discrete input design method and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104051140A CN102522973A (en) | 2011-12-08 | 2011-12-08 | Switching value input device, switching value input design method and switching value input detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102522973A true CN102522973A (en) | 2012-06-27 |
Family
ID=46293789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104051140A Pending CN102522973A (en) | 2011-12-08 | 2011-12-08 | Switching value input device, switching value input design method and switching value input detection method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102522973A (en) |
| WO (1) | WO2013082972A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082972A1 (en) * | 2011-12-08 | 2013-06-13 | 中联重科股份有限公司 | Discrete input apparatus, discrete input design method and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682479Y (en) * | 2003-12-19 | 2005-03-02 | 上海海运学院 | Computer I/O port multiposition switch data information input control circuit |
| CN201290107Y (en) * | 2008-09-26 | 2009-08-12 | 康佳集团股份有限公司 | Key-press processing circuit responding based on priority order |
| CN102075194A (en) * | 2009-11-23 | 2011-05-25 | 鸿富锦精密工业（深圳）有限公司 | Circuit and method for scanning keyboard and electronic equipment |
| CN202034267U (en) * | 2011-05-11 | 2011-11-09 | 东风汽车股份有限公司 | Matrix type automobile combination switch assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5017793A (en) * | 1989-09-26 | 1991-05-21 | Sperry Marine Inc. | Optically driven RF generator |
| CN2726042Y (en) * | 2004-07-05 | 2005-09-14 | 郝全文 | Wireless and infrared remote-controlled stepless light modulating switch |
| CN201118440Y (en) * | 2007-11-29 | 2008-09-17 | 深圳市同洲电子股份有限公司 | A power on circuit and electronic device |
| CN102522973A (en) * | 2011-12-08 | 2012-06-27 | 中联重科股份有限公司 | Switching value input device, switching value input design method and switching value input detection method |
-
2011
- 2011-12-08 CN CN2011104051140A patent/CN102522973A/en active Pending
-
2012
- 2012-09-28 WO PCT/CN2012/082353 patent/WO2013082972A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682479Y (en) * | 2003-12-19 | 2005-03-02 | 上海海运学院 | Computer I/O port multiposition switch data information input control circuit |
| CN201290107Y (en) * | 2008-09-26 | 2009-08-12 | 康佳集团股份有限公司 | Key-press processing circuit responding based on priority order |
| CN102075194A (en) * | 2009-11-23 | 2011-05-25 | 鸿富锦精密工业（深圳）有限公司 | Circuit and method for scanning keyboard and electronic equipment |
| CN202034267U (en) * | 2011-05-11 | 2011-11-09 | 东风汽车股份有限公司 | Matrix type automobile combination switch assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082972A1 (en) * | 2011-12-08 | 2013-06-13 | 中联重科股份有限公司 | Discrete input apparatus, discrete input design method and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013082972A1 (en) | 2013-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1025261C (en) | Semiconductor integrated circuit chip having identification circuit therein | |
| CN106531654B (en) | A kind of chip input pin test method and device | |
| CN201247297Y (en) | Test device for multi-core cable connecting line | |
| CN110261717A (en) | A kind of connector assembly test circuit and its test method | |
| CN106154145A (en) | A kind of fault test set being applied to high-tension battery contactor and fault detection method | |
| CN102122260A (en) | Test device and test method for universal serial bus (USB) port | |
| CN103245871B (en) | A kind of wire harness tester and the wire harness method of testing based on this wire harness tester | |
| CN100595599C (en) | Multi-core cable detecting device and method thereof | |
| CN102929755A (en) | Fault detection method of CPU (Central Processing Unit) module address and data bus | |
| CN102467106B (en) | Programmable logic controller (PLC) digital input control device and control method | |
| CN105979254A (en) | Intelligent black screen fault detection method and television using same | |
| CN105427775A (en) | Display panel and electronic device | |
| CN105426015A (en) | Array substrate, display panel as well as detection and repair method for display panel | |
| CN1877350A (en) | Testing method and device for abnormal power-on and power-off of electronic product | |
| CN102522973A (en) | Switching value input device, switching value input design method and switching value input detection method | |
| CN103309297A (en) | Apparatus and method for monitoring equipments | |
| CN102411114B (en) | Device and method for automatically detecting short circuit and disconnection of wire harnesses of rotary drilling rig | |
| CN107045994B (en) | detection method and detection device of array substrate, array substrate and manufacturing method of array substrate | |
| CN109445375A (en) | PLC redundant system and PLC redundancy approach | |
| CN209231775U (en) | Break detection circuit and PLC redundant system | |
| CN108802512B (en) | Power distribution system test method and device | |
| CN202956473U (en) | Quality detection circuit of motor drive plate | |
| CN102176757A (en) | Camera functional test plate | |
| CN105223489A (en) | A kind of interlock circuit testing apparatus and method of testing | |
| CN112037084B (en) | Method and system for testing fault processing, testing and analyzing of power distribution main station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |