CN203396875U - Electronic detection device - Google Patents
Electronic detection device Download PDFInfo
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- CN203396875U CN203396875U CN201320376854.0U CN201320376854U CN203396875U CN 203396875 U CN203396875 U CN 203396875U CN 201320376854 U CN201320376854 U CN 201320376854U CN 203396875 U CN203396875 U CN 203396875U
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Abstract
The utility model provides an electronic detection device which is used for detecting a panel. The electronic detection device comprises a detection unit, a switching unit and a first resistance measurement unit. The detection unit is provided with first and second positive pole ends and first and second negative pole ends. The first resistance measurement unit comprises first, second and third resistance measurement devices and a first grounding end. The switching unit is coupled between the detection unit and the first resistance measurement unit. When the electronic detection device detects the resistance value of first or second induction lines, the switching unit switches to the first resistance measurement unit for operation. The first resistance measurement device, the second resistance measurement device and the third resistance measurement device are respectively coupled with three first induction lines (or second induction lines) in a number of first induction lines (or second induction lines) of the panel. The electronic detection device provided by the utility model can detect the insulation condition of groups of panels, so that the performance of short-circuit defect detection of groups of panels is improved.
Description
Technical field
The utility model relates to a kind of electronic detecting device, particularly about a kind of electronic detecting device that is applicable to panel.
Background technology
Contact panel is along with scientific and technological progress, be used in a large number on electronic installation, such as intelligent mobile phone, panel computer, ATM withdrawal machine or computer graphics plate etc., so people can touch contact panel easily and produce input signal to electronic installation, thus the convenience of lifting operation electronic installation.
Yet, in order to promote contact panel touching sensing capability, induction line in contact panel is closely distributed on the transparent conductive film of certain area, as indium tin oxide film (indium tin oxide, ITO), or induction line is closely distributed on metal pattern laminar substrate, and wherein induction line interlocks and tight distribution, so the situation that the induction line of contact panel likely produces short circuit or opens circuit, therefore reduces the convenience that contact panel is used.In addition, general conventional electronic detecting device be for example LCR meter (LCR METER), and that LCR meter (LCR METER) detects the speed of the line change in resistance in contact panel is lower, therefore reduces the usefulness of detection contact panel yield.
Utility model content
The utility model is to provide a kind of electronic detecting device, and this electronic detecting device can increase the usefulness of the line resistance that detects the induction line in panel.
The utility model proposes a kind of electronic detecting device, be applicable to detect a panel, electronic detecting device comprises: a detecting unit, and detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end; One first resistance measurement unit, the first resistance measurement unit has one first resistance measurement device, one second resistance measurement device, one the 3rd resistance measurement device and one first earth terminal; And a switch unit, switch unit is coupled between detecting unit and the first resistance measurement unit; Wherein, when switch unit switches to, make detecting unit when operation, detecting unit is brought in one first induction line layer of detection faces plate and the capacitance variation of one second induction line layer generation by the first positive terminal, the second positive terminal, the first negative pole end and the second negative pole; When switching to, switch unit made for first resistance measurement unit when operation, the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device couple respectively wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines of panel, and the first earth terminal be the first resistance measurement unit connect altogether potential end, in order to detect many first induction lines of panel or the resistance change of many second induction lines.
Further, electronic detecting device also comprises one second resistance measurement unit, the second resistance measurement unit comprises one the 4th resistance measurement device, one the 5th resistance measurement device, one the 6th resistance measurement device and one second earth terminal, when out of service and the first resistance measurement unit of detecting unit and the operation of the second resistance measurement unit, the first resistance measurement device, the second resistance measurement device, the 3rd resistance measurement device, the 4th resistance measurement device, the 5th resistance measurement device and the 6th resistance measurement device couple respectively wherein six first induction lines of many first induction lines or wherein six second induction lines of many second induction lines of panel, and the first earth terminal and the second earth terminal be respectively the first resistance measurement unit and the second resistance measurement unit connect altogether potential end, in order to detect the resistance change of many first induction lines or many second induction lines.
Further, the first positive terminal and the second positive terminal couple respectively one first conductive bus and one second conductive bus in many first induction line layers of panel, the first negative pole end and the second negative pole end couple respectively one the 3rd conductive bus and one the 4th conductive bus in many second induction line layers of panel, to detect the capacitance variation between the first induction line layer and the second induction line layer.
Further, detecting unit is LCR (LCR) measuring unit, and the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device are respectively current source or voltage source.
Further, each first induction line in many first induction lines is single coiling road (single routing) or double wrap circuit (double routing), and each second induction line in many second induction lines be single coiling road (single routing) or double wrap circuit (double routing).
Further, when each first induction line in many first induction lines is single coiling road (single routing), whether the nodes at ends electric capacity that detecting unit is measured each the first induction line in many first induction lines has extremely, to judge whether each first induction line in many first induction lines has open defect.
Further, when each second induction line in many second induction lines is single coiling road (single routing), whether the nodes at ends electric capacity that detecting unit is measured each the second induction line in many second induction lines has extremely, to judge whether each second induction line has open defect.
Further, when each first induction line in many first induction lines is double wrap circuit (double routing), the line change in resistance of each first induction line is measured whether in acceptability limit, to judge whether each first induction line in many first induction lines has open defect in the first resistance measurement unit.
Further, whether the line change in resistance that when each second induction line in many second induction lines is double wrap circuit (double routing), each the second induction line in many second induction lines is measured in the first resistance measurement unit is in acceptability limit, to judge whether each second induction line in many second induction lines has open defect.
Further, switch unit comprises one first change-over switch, one second change-over switch, one the 3rd change-over switch and one the 4th change-over switch, and the first change-over switch is coupled between the first positive terminal and the first resistance measurement device, the second change-over switch is coupled between the second positive terminal and the second resistance measurement device, the 3rd change-over switch is coupled between the first negative pole end and the 3rd resistance measurement device, and the 4th change-over switch is coupled between the second negative pole end and the first earth terminal.
The utility model proposes a kind of electronic detecting device, be applicable to detect a panel, electronic detecting device comprises: a detecting unit, one first resistance measurement unit and a control module.Detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end.The first resistance measurement unit comprises: one first resistance measurement device, couples the first positive terminal; One second resistance measurement device, couples the second positive terminal; One the 3rd resistance measurement device, couples the first negative pole end; And one first earth terminal, couple the second negative pole end.Control module is coupled between detecting unit and the first resistance measurement unit.Wherein, when control module is controlled detecting unit operation, detecting unit is brought in one first induction line layer of detection faces plate and the capacitance variation that one second induction line layer produces by the first positive terminal, the second positive terminal, the first negative pole end and the second negative pole; When control module controlled for first resistance measurement unit when operation, the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device couple respectively wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines of panel, and the first earth terminal be the first resistance measurement unit connect altogether potential end, in order to detect many first induction lines of panel or the resistance change of many second induction lines.
The utility model proposes a kind of electronic detecting device, be applicable to detect one first panel, one second panel and one the 3rd panel, electronic detecting device comprises: a detecting unit, and detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end; One first resistance measurement unit, the first resistance measurement unit has one first resistance measurement device, one second resistance measurement device, one the 3rd resistance measurement device and one first earth terminal; One switch unit, switch unit is coupled between detecting unit and the first resistance measurement unit; Wherein, when switch unit switches to, make detecting unit when operation, detecting unit is brought in the capacitance variation of detection the first panel, the second panel or the 3rd panel by the first positive terminal, the second positive terminal, the first negative pole end and the second negative pole; When switching to, switch unit made for first resistance measurement unit when operation, the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device couple respectively wherein first induction line of many first induction lines or wherein second induction line of many second induction lines of the first panel, the second panel or the 3rd panel, and the first earth terminal be the first resistance measurement unit connect altogether potential end, in order to detect resistance change or the circuit defect of the first panel, the second panel and the 3rd panel.
Further, the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device have respectively anode tap and cathode terminal, wherein, the anode tap of the first resistance measurement device couples wherein first induction line of many first induction lines of the first panel, the cathode terminal of the first resistance measurement device couples remaining first induction line and many second induction lines in many first induction lines of the first panel, the anode tap of the second resistance measurement device couples wherein first induction line of many first induction lines of the second panel, the cathode terminal of the second resistance measurement device couples remaining first induction line and many second induction lines in many first induction lines of the second panel, the anode tap of the 3rd resistance measurement device couples wherein first induction line of many first induction lines of the 3rd panel, the cathode terminal of the 3rd resistance measurement device couples remaining first induction line and many second induction lines in many first induction lines of the 3rd panel.
Further, the first resistance measurement device, the second resistance measurement device and the 3rd resistance measurement device have respectively anode tap and cathode terminal, wherein, the anode tap of the first resistance measurement device couples wherein second induction line of many second induction lines of the first panel, the cathode terminal of the first resistance measurement device couples remaining second induction line and many first induction lines in many second induction lines of the first panel, the anode tap of the second resistance measurement device couples wherein second induction line of many second induction lines of the second panel, the cathode terminal of the second resistance measurement device couples remaining second induction line and many first induction lines in many second induction lines of the second panel, the anode tap of the 3rd resistance measurement device couples wherein second induction line of many second induction lines of the 3rd panel, the cathode terminal of the 3rd resistance measurement device couples remaining second induction line and many first induction lines in many second induction lines of the 3rd panel.
Concrete means of the present utility model are to utilize four-wire type to detect the circuit framework of the capacitance variation of contact panel, first, second, third resistance measurement device of the first resistance measurement unit is coupled respectively to wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines, wherein, the first earth terminal be first, second and third resistance measurement device connect altogether potential end, in order to detect the line change in resistance of these the first or second induction lines, to promote the convenience of electronic detecting device.
Above general introduction and ensuing embodiment, be all in order to further illustrate technological means of the present utility model and to reach effect, yet the embodiment narrating and graphic only providing with reference to explanation use are not used for the utility model to be limited.
Accompanying drawing explanation
Figure 1A is the electronic detecting device function block schematic diagram of the utility model one embodiment.
Figure 1B is the electronic detecting device function block schematic diagram according to another embodiment of the utility model of Figure 1A.
Fig. 2 A is the electronic detecting device function block schematic diagram of another embodiment of the utility model.
Fig. 2 B detects induction line schematic diagram according to the electronic detecting device of another embodiment of the utility model of Fig. 2 A.
Fig. 2 C detects induction line schematic diagram according to the electronic detecting device of another embodiment of the utility model of Fig. 2 A.
Fig. 2 D detects induction line schematic diagram according to the electronic detecting device of another embodiment of the utility model of Fig. 2 A.
Fig. 3 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.
Fig. 4 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.
Fig. 5 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.
Fig. 6 A is the schematic diagram that the electronic detecting device of another embodiment of the utility model detects a plurality of panels.
Fig. 6 B is for detecting the schematic diagram of one of them panel of a plurality of panels according to the electronic detecting device of another embodiment of the utility model of Fig. 6 A.
[symbol description]
1,1a, 1b: electronic detecting device
9,9a, 9b, 9c: panel
91: the first induction line layers
92: the second induction line layers
93,93a: on-off circuit
10: detecting unit
F+: the first positive terminal
S+: the second positive terminal
F-: the first negative pole end
S-: the second negative pole end
11,11a: switch unit
111: the first change-over switches
112: the second change-over switches
113: the three change-over switches
114: the four change-over switches
115: the five change-over switches
116: the six change-over switches
117: the seven change-over switches
118: the eight change-over switches
12: the first resistance measurement unit
122: the first resistance measurement devices
24: the second resistance measurement devices
126: the three resistance measurement devices
G1: the first earth terminal
14: the second resistance measurement unit
142: the four resistance measurement devices
144: the five resistance measurement devices
146: the six resistance measurement devices
15: control module
G2: the second earth terminal
X1～X6, X1a～X3a, X1b, X1c: the first induction line
Y1～Y5, Y1a～Y3a: the second induction line
R1～R6, R1a, R1b, R1c: line resistance
Embodiment
Figure 1A is the electronic detecting device function block schematic diagram of the utility model one embodiment.Figure 1B is the electronic detecting device 1 function block schematic diagram according to another embodiment of the utility model of Figure 1A.Refer to Figure 1A and Figure 1B.A kind of electronic detecting device 1, is applicable to detect a panel 9, and panel 9 is for example liquid crystal panel or contact panel, and for convenience of description, the panel 9 of the present embodiment illustrates with contact panel, and the present embodiment does not limit the aspect of panel 9.Electronic detecting device 1 comprises a detecting unit 10, a switch unit 11 and one first resistance measurement unit 12.
In practice, electronic detecting device 1 is in order to detect the line change in resistance of the induction line in panel 9, or the capacitance variation that in detection panel 9, first and second induction line layer 91,92 produces.The present embodiment does not limit the operation aspect that electronic detecting device 1 detects panel 9.
For convenience of description, the present embodiment be take the induction line that the first induction line (not illustrating) is X axis, and the second induction line (not illustrating) is the induction line of Y-axis, in other embodiments, the first induction line (not illustrating) can be also Y-axis or other axial induction circuits, and the second induction line (not illustrating) is X axis or other axial induction circuits, in addition, these first induction lines (not illustrating) are the configuration that is interspersed of different aspects with these second induction lines (not illustrating), these first and second induction lines (not illustrating) are formed on a substrate, to form an induction planes, the present embodiment does not limit the aspect of first and second induction line (not illustrating).
Detecting unit 10 has one first positive terminal F+, one second positive terminal S+, one first negative pole end F-and one second negative pole end S-.In practice, detecting unit 10 is for example LCR (LCR) measuring unit, electronic detecting device 1 is by detecting unit 10, and to detect the capacitance variation of first and second induction line layer 91,92 generations, the present embodiment does not limit the aspect of detecting unit 10.For example the first positive terminal F+ and the second positive terminal S+ couple respectively the first conductive bus and second conductive bus of the first induction line layer 91 of panel 9, and the first negative pole end F-and the second negative pole end S-couple respectively the 3rd conductive bus and the 4th conductive bus of the second induction line layer 92 of panel 9, therefore detect the capacitance variation that the first induction line layer 91 and the second induction line layer 92 produce, as shown in Figure 1A and Figure 1B.
For instance, first and second induction line (not illustrating) is for example respectively X and Y-axis induction line, contact panel 9 in the X and Y-axis to induction line layer with four line modes, be laid in the adjacent perimeter of the transparency conducting layer of glass substrate, wherein the first positive terminal F+ of the utility model detecting unit 10, the second positive terminal S+, the first negative pole end F-and the second negative pole end S-couple described four circuits, the capacitance variation producing to detect (sampling) X and Y-axis induction line layer.In other embodiments, contact panel 9 is laid with five or eight line modes to induction line layer in the X and Y-axis, and the present embodiment does not limit the aspect that detecting unit 10 detects panel 9.
The first positive terminal F+ and the second positive terminal S+ couple the first induction line layer 91, and the first negative pole end F-and the second negative pole end S-couple the second induction line layer 92, wherein the voltage of the first positive terminal F+ is for example 5 volts, and the voltage of the second positive terminal S+ is for example 0 volt of (ground, in ground state), and the voltage of the first negative pole end F-is for example-5 volts, and the voltage of the second negative pole end S-is for example 0 volt of (ground, in ground state), therefore detect first and second induction line layer 91, 92 capacitance variation that produce, to judge whether the thering is situation of opening circuit, as shown in Figure 1B.
Next, the first resistance measurement unit 12 comprises one first resistance measurement device 122, one second resistance measurement device 124, one the 3rd resistance measurement device 126 and one first earth terminal G1.In practice, first, second or the 3rd resistance measurement device 122,124,126 are for example realized by current source or voltage source, and the present embodiment does not limit the aspect of first, second or the 3rd resistance measurement device 122,124,126.First, second and third resistance measurement device 122,124,126 and the first earth terminal G1 couple switch unit 11.Another the first earth terminal G1 be for example the first resistance measurement unit 12 connect altogether potential end, so the first earth terminal G1 is in order to provide the reference current potential of first, second or the 3rd resistance measurement device 122,124,126, the present embodiment does not limit the aspect of the first earth terminal G1.
Specifically, the utility model detects the circuit framework of the capacitance variation of contact panel 9 by four-wire type, and by first, second and third resistance measurement device 122, 124, the 126 and first earth terminal G1 couples respectively first, second, the the 3rd and the 4th change-over switch 111, 112, 113 and 114, therefore the utility model can be by first, second and third resistance measurement device 122, 124, the 126 and first earth terminal G1, to detect wherein three the first induction lines or wherein three second induction lines of many second induction lines (not illustrating) of many first induction lines (not illustrating), therefore to detect the line change in resistance of these the first induction lines (not illustrating), or detect the line change in resistance of these the second induction lines (not illustrating), wherein the first earth terminal G1 is first, the second or the 3rd resistance measurement device 122, 124, 126 connect altogether potential end.
Resistance change when electronic detecting device 1 these first induction lines (not illustrating) of detection or these the second induction lines (not illustrating), switch unit 11 switches to and makes detecting unit 10 out of service, and the first resistance measurement unit 12 brings into operation, the first resistance measurement device 122 for example, the second resistance measurement device 124 and the 3rd resistance measurement device 126 provide respectively current source or voltage source wherein three the first induction lines or wherein three second induction lines of many second induction lines (not illustrating) to many first induction lines (not illustrating), wherein the first earth terminal G1 is first, the second or the 3rd resistance measurement device 122, 124, 126 connect altogether potential end, therefore detect the line change in resistance of these the first induction lines (not illustrating), or detect the line change in resistance of these the second induction lines (not illustrating), the present embodiment does not limit the aspect of the first resistance measurement unit 12.Next, will coordinate Fig. 2 A to Fig. 2 D to introduce in detail the line resistance that electronic detecting device 1 detects induction line.
Fig. 2 A is the electronic detecting device function block schematic diagram of another embodiment of the utility model.Refer to Fig. 2 A.The utility model is except detecting the capacitance variation of panel 9, and the utility model also can detect the line resistance of panel 9, and compared to general LCR meter (LCR METER) usefulness, the usefulness of the line resistance of the utility model detection panel 9 is more quick.
Specifically, the utility model electronic detecting device 1 can detect the line resistance of interior any three induction lines of panel 9 each time, for example electronic detecting device 1 can detect line resistance R1～R3 of interior three the first induction line X1 of panel 9, X2, X3, wherein switch unit 11 switches to and makes the first resistance measurement unit 12 operations, so that the first, second, third and the 4th change-over switch 111,112,113,114 couples respectively first, second and third resistance measurement device 122,124,126 and the first earth terminal G1, so electronic detecting device 1 can detect the line resistance of panel 9.
When the switching switch circuit 93 in contact panel 9 ends, so that first, second and third resistance measurement device 122, 124, 126 respectively with first, second and third first induction line X1, X2, between X3, form off state, during switching switch circuit 93 conducting in contact panel 9, so that first, second and third resistance measurement device 122, 124, 126 respectively with first, second and third first induction line X1, X2, X3 forms and detects loop, therefore detect interior three the first induction line X1 of panel 9, X2, line resistance R1～R3 of X3, as shown in Figure 2 A.
In like manner known, when electronic detecting device 1 will detect the 4th, article five and the 6th, during the first induction line (not illustrating), switching switch circuit 93 in contact panel 9 switches so that the 4th, article five and the 6th, the first induction line (not illustrating) conducting, therefore detect panel 9 the interior the 4th, article five and the 6th, the line resistance of the first induction line (not illustrating), certainly, electronic detecting device 1 will detect the line resistance of second induction line (not illustrating) of panel 9 interior Y-axis, switching switch circuit 93 in contact panel 9 switches so that the second induction line (not illustrating) conducting of any three Y-axis, therefore detect the line resistance of the second induction line of panel 9 interior Y-axis, the present embodiment does not limit the aspect that the first resistance measurement unit 12 detects the line resistance of the first or second induction line.
Hence one can see that, general LCR meter (LCR METER) is each time to detect the line resistance of an induction line, and the utility model by the first resistance measurement unit 12 each time to detect the line resistance of three induction lines, therefore promote the usefulness of the line resistance that detects panel 9.
Fig. 2 B detects induction line schematic diagram according to the electronic detecting device 1 of another embodiment of the utility model of Fig. 2 A.Refer to Fig. 2 B and Fig. 2 A.These first induction lines X1, X2, X3, X4, X5 is single coiling road (single routing), and these second induction lines Y1, Y2, Y3, Y4, Y5 is also single coiling road (single routing), wherein the utility model can pass through detecting unit 10, to measure these first or second induction line X1～X5, whether the nodes at ends electric capacity of Y1～Y5 has extremely, therefore judge first or second induction line X1～X5, whether Y1～Y5 has open defect, the present embodiment does not limit the first induction line X1, X2, X3, X4, X5 and the second induction line Y1, Y2, Y3, Y4, the aspect of Y5.
In addition, the utility model electronic detecting device 1 also can detect between these first induction lines X1, X2, X3, X4, X5 or these second induction lines Y1, Y2, Y3, Y4, Y5 between insulation resistance, therefore judged whether that circuit defect, the present embodiment do not limit the aspect of the detection operation of electronic detecting device 1.
Fig. 2 C detects induction line schematic diagram according to the electronic detecting device 1 of another embodiment of the utility model of Fig. 2 A.Refer to Fig. 2 C and Fig. 2 A.These first induction lines X1, X2, X3, X4, X5 is single coiling road (single routing), and these second induction lines Y1, Y2, Y3 is also double wrap circuit (double routing), wherein the utility model is by detecting unit 10, to measure these first induction lines X1, X2, X3, X4, whether the nodes at ends electric capacity of X5 has extremely, therefore judge these first induction lines X1, X2, X3, X4, whether X5 has open defect, and the utility model passes through the first resistance measurement unit 12 to measure each second induction line Y1, Y2, whether the line change in resistance of Y3 is in acceptability limit, therefore judge each second induction line Y1, Y2, whether Y3 has open defect, the present embodiment does not limit the first induction line X1, X2, X3, X4, X5 and the second induction line Y1, Y2, the aspect of Y3.
In addition, the utility model electronic detecting device 1 also can detect between these first induction lines X1, X2, X3, X4, X5 or these second induction lines Y1, Y2, Y3 between insulation resistance, therefore judged whether that circuit defect, the present embodiment do not limit the aspect of the detection operation of electronic detecting device 1.
Fig. 2 D detects induction line schematic diagram according to the electronic detecting device 1 of another embodiment of the utility model of Fig. 2 A.Refer to Fig. 2 D and Fig. 2 A.These first induction lines X1, X2, X3, X4 is double wrap circuit (double routing), and these second induction lines Y1, Y2, Y3, Y4 is also double wrap circuit (double routing), wherein the utility model is by the first resistance measurement unit 12, to measure each first induction line X1, X2, X3, whether the line change in resistance of X4 is in acceptability limit, or measure each second induction line Y1, Y2, Y3, whether the line change in resistance of Y4 is in acceptability limit, therefore judge each first induction line X1, X2, X3, X4 or each the second induction line Y1, Y2, Y3, whether Y4 has open defect, the present embodiment does not limit the first induction line X1, X2, X3, X4 and the second induction line Y1, Y2, Y3, the aspect of Y4.
In addition, the utility model electronic detecting device 1 also can detect between these first induction lines X1, X2, X3, X4 or these second induction lines Y1, Y2, Y3, Y4 between insulation resistance, therefore judged whether that circuit defect, the present embodiment do not limit the aspect of the detection operation of electronic detecting device 1.
Fig. 3 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.Electronic detecting device 1 in Fig. 3 and electronic detecting device 1 the two structural similarity in Fig. 2 A, and will the two included similar elements be represented with same numeral below.
Electronic detecting device 1 can detect the line resistance of a plurality of panel 9a, 9b, 9c.For instance, when switch unit 11 switches to while making the first resistance measurement unit 12 operation, so that first, second and third resistance measurement device 122,124,126 be coupled to respectively first, second and third panel 9a, 9b, 9c a plurality of induction lines one of them, wherein the first earth terminal G1 be first, second and third panel 9a, 9b, 9c connect altogether potential end, therefore electronic detecting device 1 of the present utility model can detect the line resistance of a plurality of panel 9a, 9b, 9c, so promote the usefulness that detects a plurality of panel 9a, 9b, 9c.
Fig. 4 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.Refer to Fig. 4.Electronic detecting device 1a in Fig. 4 and 1 the two structural similarity of the electronic detecting device in Fig. 2 A, and will the two included similar elements be represented with same numeral below.Electronic detecting device 1a, 1 the two difference are: electronic detecting device 1a also comprises one second resistance measurement unit 14.
The second resistance measurement unit 14 comprises one the 4th resistance measurement device 142, one the 5th resistance measurement device 144, one the 6th resistance measurement device 146 and one second earth terminal G2, when electronic detecting device 1a detects these first induction lines X1, X2, X3, X4, X5, during the resistance value of X6 or these the second induction lines (not illustrating), switch unit 11a switches to and makes detecting unit 10 out of service, and makes first and second resistance measurement unit 12, 14 bring into operation, and wherein first, second, the 3rd, the 4th, the 5th, the 6th, the the 7th and the 8th change-over switch 111, 112, 113, 114, 115, 116, 117, 118 switched conductive, will make the first resistance measurement device 122, the second resistance measurement device 124, the 3rd resistance measurement device 126, the 4th resistance measurement device 142, the 5th resistance measurement device 144 and the 6th resistance measurement device 146 couple respectively 9 six the first induction line X1 of panel, X2, X3, X4, X5, X6 or six the second induction lines (not illustrating), wherein first and second earth terminal G1, G2 is respectively six the first induction line X1, X2, X3, X4, X5, X6 connects potential end altogether.
For instance, the utility model electronic detecting device 1 can detect the line resistance of interior any six induction lines of panel 9 each time, and for example electronic detecting device 1a can detect interior six the first induction line X1 of panel 9, X2, X3, X4, X5, line resistance R1～R6 of X6, when wherein the switching switch circuit in contact panel 9 93 ends, so that first, second, the 3rd, the 4th, the the 5th and the 6th resistance measurement device 122, 124, 126, 142, 144, 146 respectively with first, second, the 3rd, the 4th, article five and the 6th, the first induction line X1, X2, X3, X4, X5, between X6, form off state, during switching switch circuit 93 conducting in contact panel 9, so that first, second, the 3rd, the 4th, the the 5th and the 6th resistance measurement device 122, 124, 126, 142, 144, 146 respectively with first, second, the 3rd, the 4th, article five and the 6th, the first induction line X1, X2, X3, X4, X5, X6 forms and detects loop, therefore detects interior six the first induction line X1 of panel 9, X2, X3, X4, X5, line resistance R1～R6 of X6, as shown in Figure 4.
In other embodiments, electronic detecting device 1a can also comprise one the 3rd resistance measurement unit (not illustrating), therefore electronic detecting device 1a can couple these first induction lines ten two wires or these the second induction lines ten two wires wherein wherein, therefore can detect the line resistance of nine induction lines, so promote, detect the line resistance of induction line or the efficiency of open defect, the present embodiment does not limit the aspect of electronic detecting device 1a.
Except above-mentioned difference, those of ordinary skills with reference to previous embodiment and above-mentioned difference after, should know by inference easily, therefore do not repeat them here.
Fig. 5 is the electronic detecting device function block schematic diagram of another embodiment of the utility model.Refer to Fig. 5.In Fig. 5 with Fig. 2 A in electronic detecting device 1b, 1 the two structural similarity, and will the two included similar elements be represented with same numeral below. Electronic detecting device 1b, 1 the two difference are: electronic detecting device 1b also comprises a control module 15.
Specifically, control module 15 is coupled between detecting unit 10 and the first resistance measurement unit 12, control module 15 is for example microprocessor, central processing unit, control chip or switching chip, control circuit or commutation circuit, and the present embodiment does not limit the aspect of control module 15.In practice, control module 15 can be controlled detecting unit 10 operations, or control the first resistance measurement unit 12 operations, wherein the first resistance measurement device 122 couples the first positive terminal F+, the second resistance measurement device 124 couples the second positive terminal S+, and the 3rd resistance measurement device 126 couples the first negative pole end F-, and the first earth terminal G1 couples the second negative pole end S-, so when control module 15 is controlled detecting unit 10 operation, electronic detecting device 1b can detect the capacitance variation of panel 9; When control module 15 control the first resistance measurement unit 12 move, electronic detecting device 1b can detect the resistance change of panel 9, and the present embodiment does not limit the operation aspect of electronic detecting device 1b.
Except above-mentioned difference, those of ordinary skills with reference to previous embodiment and above-mentioned difference after, should know by inference easily, therefore do not repeat them here.
Fig. 6 A is the schematic diagram that the electronic detecting device of another embodiment of the utility model detects a plurality of panels.Fig. 6 B is for detecting one of them schematic diagram of a plurality of panels according to the electronic detecting device of another embodiment of the utility model of Fig. 6 A.Refer to Fig. 6 A and Fig. 6 B.Identical with electronic detecting device 1 the two structure in Fig. 2 A in Fig. 6 A, and will the two included similar elements be represented with same numeral below.The utility model electronic detecting device 1 is except detecting the line resistance or open defect of induction line, electronic detecting device 1 of the present utility model also can detect the insulation status of many group panel 9a, 9b, 9c, to promote the usefulness that detects many group panel 9a, 9b, 9c.
A kind of electronic detecting device 1, is applicable to detect one first panel 9a, one second panel 9b and one the 3rd panel 9c, comprises a detecting unit 10, a switch unit 11 and one first resistance measurement unit 12.When electronic detecting device 1 detects the short-circuit state of the first panel 9a, the second panel 9b and the 3rd panel 9c, switch unit 11 switches to and makes detecting unit 10 out of service, and makes a wherein wherein line of a line or many second induction line Y1a, Y2a, Y3a of many first induction line X1a, X2a, X3a that the first resistance measurement device 122, the second resistance measurement device 124 and the 3rd resistance measurement device 126 couple respectively the first panel 9a, the second panel 9b or the 3rd panel 9c.
For instance, the first resistance measurement device 122, the second resistance measurement device 124 and the 3rd resistance measurement device 126 have respectively anode tap and cathode terminal, wherein the anode tap of the first resistance measurement device 122 couples these first induction lines X1a of one first panel 9a, X2a, one of them of X3a or these second induction lines Y1a, Y2a, one of them of Y3a, for example the anode tap of the first resistance measurement device 122 couples the first induction line X1a of one first panel 9a, and the cathode terminal of the first resistance measurement device 122 couples all the other first induction line X2a of one first panel 9a, X3a and the second induction line Y1a, Y2a, Y3a, therefore can detect the first induction line X1a and all the other induction line X2a, X3a, Y1a, Y2a, the situation of the insulation defect of Y3a, as shown in Figure 6B.
In like manner known, second and third resistance measurement device 124, 126 anode tap couples respectively second and third panel 9b, one of them of one of them of these of 9c the first induction line (not illustrating) or these the second induction lines (not illustrating), and second and third resistance measurement device 124, 126 cathode terminal couples respectively second and third panel 9b, all the other of 9c the first induction line (not illustrating) and all the other the second induction lines (not illustrating), the present embodiment does not limit electronic detecting device 1 and couples first, second and third panel 9a, 9b, 9c, to detect many group panel 9a, 9b, the aspect of the insulation status of 9c.
For instance, the anode tap of the first resistance measurement device 122 couples article one the first induction line X1a of the first panel 9a, and the cathode terminal of the first resistance measurement device 122 couples second and the 3rd the first induction line X2a of the first panel 9a, X3a and the second induction line Y1a, Y2a, Y3a, and the anode tap of the second resistance measurement device 124 couples article one the first induction line (not illustrating) of the second panel 9b, and the cathode terminal of the second resistance measurement device 124 couples all the other first induction lines and these the second induction lines (not illustrating) of the second panel 9b, and the anode tap of the 3rd resistance measurement device 126 couples article one the first induction line (not illustrating) of the 3rd panel 9c, and the cathode terminal of the 3rd resistance measurement device 126 couples all the other first induction lines (not illustrating) and these the second induction lines (not illustrating) of the 3rd panel 9c, therefore promote the utility model and detect many group panel 9a, 9b, whether 9c has the usefulness of circuit defect.
In sum, the utility model provides a kind of electronic detecting device, concrete means of the present utility model are to utilize four-wire type to detect the circuit framework of the capacitance variation of contact panel, with by first of the first resistance measurement unit, second, the 3rd resistance measurement device couples respectively wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines, wherein the first earth terminal is first, second and third resistance measurement device connect altogether potential end, therefore to detect the line change in resistance of these the first or second induction lines, to promote the convenience of electronic detecting device.In addition, electronic detecting device of the present utility model also can detect the insulation status of many group panels, to promote, detects the usefulness whether many group panels have circuit defect.Thus, whether electronic detecting device of the present utility model really can promote and detect panel and have and open circuit or the usefulness of circuit defect.
The foregoing is only embodiment of the present utility model, it is not in order to limit to claim scope of the present utility model.
Claims (14)
1. an electronic detecting device, is applicable to detect a panel, it is characterized in that, described electronic detecting device comprises:
One detecting unit, described detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end;
One first resistance measurement unit, described the first resistance measurement unit has one first resistance measurement device, one second resistance measurement device, one the 3rd resistance measurement device and one first earth terminal; And
One switch unit, described switch unit is coupled between described detecting unit and described the first resistance measurement unit;
Wherein, when described switch unit switches to while making the operation of described detecting unit, described detecting unit is brought in and is detected one first induction line layer of described panel and the capacitance variation of one second induction line layer generation by described the first positive terminal, described the second positive terminal, described the first negative pole end and described the second negative pole;
When switching to, described switch unit makes described first resistance measurement unit when operation, described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device couple respectively wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines of described panel, and described the first earth terminal be described the first resistance measurement unit connect altogether potential end, in order to detect described many first induction lines of described panel or the resistance change of described many second induction lines.
2. electronic detecting device according to claim 1, it is characterized in that, described electronic detecting device also comprises one second resistance measurement unit, described the second resistance measurement unit comprises one the 4th resistance measurement device, one the 5th resistance measurement device, one the 6th resistance measurement device and one second earth terminal, when described detecting unit the first resistance measurement unit out of service and described and described second resistance measurement unit when operation, described the first resistance measurement device, described the second resistance measurement device, described the 3rd resistance measurement device, described the 4th resistance measurement device, described the 5th resistance measurement device and described the 6th resistance measurement device couple respectively wherein six first induction lines of described many first induction lines or wherein six second induction lines of described many second induction lines of described panel, and described the first earth terminal and described the second earth terminal be respectively described the first resistance measurement unit and described the second resistance measurement unit connect altogether potential end, in order to detect the resistance change of described many first induction lines or described many second induction lines.
3. electronic detecting device according to claim 1, it is characterized in that, described the first positive terminal and described the second positive terminal couple respectively one first conductive bus and one second conductive bus in described many first induction line layers of described panel, described the first negative pole end and described the second negative pole end couple respectively one the 3rd conductive bus and one the 4th conductive bus in described many second induction line layers of described panel, to detect the capacitance variation between described the first induction line layer and described the second induction line layer.
4. electronic detecting device according to claim 1, it is characterized in that, described detecting unit is LCR measuring unit, and described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device are respectively current source or voltage source.
5. electronic detecting device according to claim 1, it is characterized in that, each first induction line in described many first induction lines is single coiling road or double wrap circuit, and each second induction line in described many second induction lines be single coiling road or double wrap circuit.
6. electronic detecting device according to claim 5, it is characterized in that, when each first induction line in described many first induction lines is single coiling road, whether the nodes at ends electric capacity that described detecting unit is measured each the first induction line in described many first induction lines has extremely, to judge whether each first induction line in described many first induction lines has open defect.
7. according to the electronic detecting device described in claim 5 or 6, it is characterized in that, when each second induction line in described many second induction lines is single coiling road, whether the nodes at ends electric capacity that described detecting unit is measured each the second induction line in described many second induction lines has extremely, to judge described in each whether the second induction line has open defect.
8. electronic detecting device according to claim 5, it is characterized in that, when each first induction line in described many first induction lines is double wrap circuit, the line change in resistance of each first induction line is measured whether in acceptability limit, to judge whether each first induction line in described many first induction lines has open defect in described the first resistance measurement unit.
9. according to the electronic detecting device described in claim 5 or 8, it is characterized in that, when each second induction line in described many second induction lines is double wrap circuit, the line change in resistance of each the second induction line in described many second induction lines is measured whether in acceptability limit, to judge whether each second induction line in described many second induction lines has open defect in described the first resistance measurement unit.
10. electronic detecting device according to claim 1, it is characterized in that, described switch unit comprises one first change-over switch, one second change-over switch, one the 3rd change-over switch and one the 4th change-over switch, and described the first change-over switch is coupled between described the first positive terminal and described the first resistance measurement device, described the second change-over switch is coupled between described the second positive terminal and described the second resistance measurement device, described the 3rd change-over switch is coupled between described the first negative pole end and described the 3rd resistance measurement device, described the 4th change-over switch is coupled between described the second negative pole end and described the first earth terminal.
11. 1 kinds of electronic detecting devices, are applicable to detect a panel, it is characterized in that, described electronic detecting device comprises:
One detecting unit, described detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end;
One first resistance measurement unit, comprising:
One first resistance measurement device, couples described the first positive terminal;
One second resistance measurement device, couples described the second positive terminal;
One the 3rd resistance measurement device, couples described the first negative pole end; And
One first earth terminal, couples described the second negative pole end; And
One control module, is coupled between described detecting unit and described the first resistance measurement unit;
Wherein, when described control module is controlled described detecting unit operation, described detecting unit is brought in and is detected one first induction line layer of described panel and the capacitance variation that one second induction line layer produces by described the first positive terminal, described the second positive terminal, described the first negative pole end and described the second negative pole;
When described control module is controlled described first resistance measurement unit when operation, described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device couple respectively wherein three first induction lines of many first induction lines or wherein three second induction lines of many second induction lines of described panel, and the first earth terminal be described the first resistance measurement unit connect altogether potential end, in order to detect described many first induction lines of described panel or the resistance change of described many second induction lines.
12. 1 kinds of electronic detecting devices, are applicable to detect one first panel, one second panel and one the 3rd panel, it is characterized in that, described electronic detecting device comprises:
One detecting unit, described detecting unit has one first positive terminal, one second positive terminal, one first negative pole end and one second negative pole end;
One first resistance measurement unit, described the first resistance measurement unit has one first resistance measurement device, one second resistance measurement device, one the 3rd resistance measurement device and one first earth terminal;
One switch unit, described switch unit is coupled between described detecting unit and described the first resistance measurement unit;
Wherein, when described switch unit switches to while making the operation of described detecting unit, described detecting unit is brought in the capacitance variation of detection described the first panel, described the second panel or described the 3rd panel by described the first positive terminal, described the second positive terminal, described the first negative pole end and described the second negative pole;
When switching to, described switch unit makes described first resistance measurement unit when operation, described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device couple respectively described the first panel, wherein first induction line of many first induction lines of described the second panel or described the 3rd panel or wherein second induction line of many second induction lines, and the first earth terminal be described the first resistance measurement unit connect altogether potential end, in order to detect described the first panel, resistance change or the circuit defect of described the second panel and described the 3rd panel.
13. electronic detecting devices according to claim 12, it is characterized in that, described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device have respectively anode tap and cathode terminal, wherein, the anode tap of described the first resistance measurement device couples wherein first induction line of described many first induction lines of described the first panel, the cathode terminal of described the first resistance measurement device couples remaining first induction line and described many second induction lines in described many first induction lines of described the first panel, the anode tap of described the second resistance measurement device couples wherein first induction line of described many first induction lines of described the second panel, the cathode terminal of described the second resistance measurement device couples remaining first induction line and described many second induction lines in described many first induction lines of described the second panel, the anode tap of described the 3rd resistance measurement device couples wherein first induction line of described many first induction lines of described the 3rd panel, the cathode terminal of described the 3rd resistance measurement device couples remaining first induction line and described many second induction lines in described many first induction lines of described the 3rd panel.
14. electronic detecting devices according to claim 12, it is characterized in that, described the first resistance measurement device, described the second resistance measurement device and described the 3rd resistance measurement device have respectively anode tap and cathode terminal, wherein, the anode tap of described the first resistance measurement device couples wherein second induction line of described many second induction lines of described the first panel, the cathode terminal of described the first resistance measurement device couples remaining second induction line and described many first induction lines in described many second induction lines of described the first panel, the anode tap of described the second resistance measurement device couples wherein second induction line of described many second induction lines of described the second panel, the cathode terminal of described the second resistance measurement device couples remaining second induction line and described many first induction lines in described many second induction lines of described the second panel, the anode tap of described the 3rd resistance measurement device couples wherein second induction line of described many second induction lines of described the 3rd panel, the cathode terminal of described the 3rd resistance measurement device couples remaining second induction line and described many first induction lines in described many second induction lines of described the 3rd panel.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558364A (en) * | 2017-09-26 | 2019-04-02 | 卡西欧计算机株式会社 | Electronic equipment, mode determination setting method and computer-readable recording medium |
| US20230003779A1 (en) * | 2021-06-30 | 2023-01-05 | Cirrus Logic International Semiconductor Ltd. | Systems and methods for estimation of sensor resistance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558364A (en) * | 2017-09-26 | 2019-04-02 | 卡西欧计算机株式会社 | Electronic equipment, mode determination setting method and computer-readable recording medium |
| US20230003779A1 (en) * | 2021-06-30 | 2023-01-05 | Cirrus Logic International Semiconductor Ltd. | Systems and methods for estimation of sensor resistance |
| US11644493B2 (en) * | 2021-06-30 | 2023-05-09 | Cirrus Logic, Inc. | Systems and methods for estimation of sensor resistance |
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