CN203824682U - Flexible array sensor based on conductive rubber - Google Patents
Flexible array sensor based on conductive rubber Download PDFInfo
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- CN203824682U CN203824682U CN201420239359.XU CN201420239359U CN203824682U CN 203824682 U CN203824682 U CN 203824682U CN 201420239359 U CN201420239359 U CN 201420239359U CN 203824682 U CN203824682 U CN 203824682U
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- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model discloses a flexible array sensor based on conductive rubber, comprising an upper layer flexible protective layer, conductive rubber, a flexible array circuit board, and a lower layer flexible protective layer. The flexible array circuit board is connected to a computer through an on-site bus; the flexible array circuit board is positioned between the conductive rubber and the lower flexible protective layer; circuit array units on the flexible array circuit board form an array circuit through row leads on the upper surface of the circuit board and column leads on the lower surface of the circuit board; the circuit array unit consists of an internal electrode and an external electrode; the row lead is connected to the external electrodes of each row of the circuit array units; the column lead is connected to the internal electrodes of each row of the circuit array units; and bonding points between circuit array units and conductive rubber form sensor collection nodes. The flexible array sensor based on the conductive rubber adopts the structure that the electrodes and the conductive rubber contact by single surface, which improves the flexibility of the sensor unit, prevent the contact between the sensor electrode and the stress surface of the conductive rubber and is beneficial for prolonging the service life of the sensor.
Description
Technical field
The utility model relates to sensor technical field, particularly relates to a kind of pressure distribution acquisition system of the flexible array sensor based on conductive rubber.
Background technology
Its acquisition node electrode of the pressure distribution acquisition system of existing flexible array sensor is placed on stress surface and the back side of conductive rubber, and coaxial with the direction of load, this laying method is called face-to-face placement.022228378.1), " planter pressure distribution adjusitng pad " (patent No.: 01267386.2), " the pressure distribution acquisition system based on pliable pressure sensor array " (patent No.: 200720036944.X) etc. the acquisition node electrode of pliable pressure sensing is all to adopt face-to-face to place such as " the plate type sole pressure distribution measurer " (patent No.:.Normally flexible due to the sensor material of pliable pressure sensing, stressed in the situation that, the deflection of conductive rubber is greater than the deflection of electrode, due to the difference of deflection, between the two, can produce bending stress, and this stress can affect the serviceable life of sensor.
External early flexible array sensor aspect is led over domestic at present.As the Pressure Distribution Measuring System of the Tekscan company research of the U.S. with and unique patented technology-fexible film grid sensor have good Practical Performance.Also have the famous brand names such as SPT, Belgian Rrscan of the U.S. in the whole world overwhelming majority market share.Although the performance that these products have had, its price is very expensive, take in footwear and pads detection system as class, and the price of most foreign products reaches tens thousand of dollars, and domestic industry is difficult to bear.
And at home, due to technical difference, domestic flexible array sensor is used for detecting the pressure distribution situation of the small sizes such as fingerprint, vola, tooth, the field of its application is mainly the aspects such as medical treatment, physical culture.Still seldom, great majority research is also at the experimental stage for the flexible array sensor of the flexible array sensor of large face and application other field product in the market.Also have that a lot of problems are as generally less in range, measuring accuracy is lower, space distribution rate is lower.
Summary of the invention
The purpose of this utility model is for the at present domestic and international flexible array sensor defect that particularly double contact electrode structure sensor exists, proposed a kind of novel based on conductive rubber flexible array sensing, its principal feature is the structure that adopts single-side electrode, avoid electrode to contact with contactant, increased serviceable life and the use occasion of flexible array sensor.
The flexible array sensor of the utility model based on conductive rubber comprises upper strata elastic protective layer 1, conductive rubber 2, flexible array circuit board 3, the elastic protective layer of lower floor 4, flexible array circuit board 3 is connected with computing machine by fieldbus, flexible array circuit board 3 is arranged between conductive rubber 2 and the elastic protective layer of lower floor 4, wherein the gate array unit on flexible array circuit board 3 connects and composes array circuit by the line lead of circuit board upper surface and the row of lower surface lead-in wire, gate array unit consists of interior electrode 8 and external electrode 9, line lead is connected with the external electrode of every a line gate array unit, the line lead of every a line gate array unit connects signal amplifier, row lead-in wire is connected with the interior electrode of every a line gate array unit, the row lead-in wire of each column circuits array element is connected on multiway analog switch, the binding site of each gate array unit and conductive rubber forms sensor acquisition node.
The reticular density of the array circuit unit described in the utility model is 1 point/square centimeter, and sensor is 10cm * 10cm, and the flexible array sensor of totally 100 collection points also can be made the sensor that different area meets specific environment for use according to actual.
Described conductive rubber is carbon black filled type conductive rubber, and such conductive rubber has the advantages such as good pressure drag characteristic, processing technology are simple, cheap.
The utility model for surveying static state and the dynamic pressure distribution information of surface of contact, comprises the information such as shape, pressure variation of contact based on conductive rubber flexible array sensor.
The utility model with respect to the useful achievement of prior art is:
1, the application adopts technology useless in documents, adopt and conductive rubber one side contact electrode structure, two electrodes are positioned at a side of conductive rubber simultaneously, each array circuit unit connects and forming array circuit by the line lead of flexible array circuit board upper surface and the row of lower surface lead-in wire, and the binding site of gate array unit and conductive rubber forms sensor acquisition node.During measurement, the shape of the object of contact, pressure changing information can pass through acquisition node Real-time Obtaining, because the electrode of this acquisition node and conductive rubber contact area are relatively large, the sensitivity that is conducive to improve sensor, has increased the practicality of sensor greatly.The structure that adopts electrode to contact with conductive rubber one side, can increase sensor unit flexibility, has avoided again sensor electrode to contact with conductive rubber stress surface, has been conducive to extend the serviceable life of sensor;
2, relative prior art, the utility model adopts the row lead-in wire of the line lead of every a line acquisition node and the acquisition node of each row, by A/D, is changed with computing machine and is connected, and completes information acquisition to the transmission of computing machine;
3, in the technical movements evaluation and test that this utility model not only can widespread use campaign rubber, diagnosis (the fortune merit footwear that distribute as detected plantar pressure), medical item etc., can also be applied in industrial processes (the pressure distribution situation of concave plane or curved surface, as channel bend and mechanical seal end surface).
Accompanying drawing explanation
Fig. 1 is structural diagrams intention of the present utility model;
Fig. 2 is the structural representation of flexible array circuit board in the utility model;
Fig. 3 is the acquisition node architectural schematic of the utility model flexible array sensor;
In Fig. 1-2: the elastic protective layer of 1-upper strata; 2-conductive rubber; 3-flexible array circuit board; The elastic protective layer of 4-lower floor; 5-gate array unit; 6-line lead; 7-is listed as lead-in wire; Electrode in 8-; 9-external electrode;
In Fig. 31,2 ... 9,10 represent line lead; A, b ... i, j represent row lead-in wire; A
a1represent acquisition node.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but the utility model is not limited to described content.
The flexible array sensor of the utility model based on conductive rubber comprises upper strata elastic protective layer 1, conductive rubber 2, flexible array circuit board 3, the elastic protective layer of lower floor 4, flexible array circuit board 3 is connected with computing machine by fieldbus, flexible array circuit board 3 is arranged between conductive rubber 2 and the elastic protective layer of lower floor 4, wherein the gate array unit on flexible array circuit board 3 connects and composes array circuit by the line lead of circuit board upper surface and the row of lower surface lead-in wire, gate array unit consists of interior electrode 8 and external electrode 9, line lead is connected with the external electrode of every a line gate array unit, the line lead of every a line gate array unit connects signal amplifier, row lead-in wire is connected with the interior electrode of every a line gate array unit, the row lead-in wire of each column circuits array element is connected on multiway analog switch, the binding site of each gate array unit and conductive rubber forms sensor acquisition node, the reticular density of wherein said array circuit unit is 1 point/square centimeter, and sensor is 10cm * 10cm, the flexible array sensor (seeing Fig. 1-2) of totally 100 collection points.
As acquisition node A in Fig. 3
a1obtain after pressure information, through line lead and row lead-in wire, pass to a series of pre-service of process in acquisition system, as being connected with computing machine after filtering, amplification, A/D conversion, carry out follow-up data processing.
Claims (2)
1. the flexible array sensor based on conductive rubber, comprise upper strata elastic protective layer (1), conductive rubber (2), flexible array circuit board (3), the elastic protective layer of lower floor (4), flexible array circuit board (3) is connected with computing machine by fieldbus, it is characterized in that: flexible array circuit board (3) is arranged between conductive rubber (2) and the elastic protective layer of lower floor (4), wherein the gate array unit on flexible array circuit board (3) connects and composes array circuit by the line lead of circuit board upper surface and the row of lower surface lead-in wire, gate array unit consists of interior electrode (8) and external electrode (9), line lead is connected with the external electrode of every a line gate array unit, the line lead of every a line gate array unit connects signal amplifier, row lead-in wire is connected with the interior electrode of every a line gate array unit, the row lead-in wire of each column circuits array element is connected on multiway analog switch, the binding site of each gate array unit and conductive rubber forms sensor acquisition node.
2. the flexible array sensor based on conductive rubber according to claim 1, is characterized in that: the dot density of gate array unit is 1/square centimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239359.XU CN203824682U (en) | 2014-05-12 | 2014-05-12 | Flexible array sensor based on conductive rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239359.XU CN203824682U (en) | 2014-05-12 | 2014-05-12 | Flexible array sensor based on conductive rubber |
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| CN203824682U true CN203824682U (en) | 2014-09-10 |
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| CN201420239359.XU Expired - Fee Related CN203824682U (en) | 2014-05-12 | 2014-05-12 | Flexible array sensor based on conductive rubber |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406722A (en) * | 2014-12-03 | 2015-03-11 | 合肥京东方光电科技有限公司 | Array pressure surface sensing imaging device |
| CN105675181A (en) * | 2016-04-01 | 2016-06-15 | 山东大学 | Dot-matrix pressure detection system based on flexible piezoresistive material and detection method |
| CN105738011A (en) * | 2016-03-30 | 2016-07-06 | 宁波艾克威特智能科技有限公司 | Flexible tactile sensor |
| CN105758563A (en) * | 2015-04-03 | 2016-07-13 | 中国医学科学院生物医学工程研究所 | Single-side electrode flexible touch sense sensor array based on electrical impedance distributed measurement |
| CN106926239A (en) * | 2017-03-08 | 2017-07-07 | 江苏艾萨克机器人股份有限公司 | A kind of modularization sensory package, robot security's protection system and its method of work comprising modularization sensory package |
| CN108801516A (en) * | 2018-06-14 | 2018-11-13 | 杭州电子科技大学 | A kind of preparation method of large area flexible sensor array |
| CN109556767A (en) * | 2018-10-22 | 2019-04-02 | 清瑞博源智能科技河北有限责任公司 | A kind of intelligence pressure drag pliable pressure sensor array |
| CN109724723A (en) * | 2018-12-27 | 2019-05-07 | 武汉飞帛丝科技有限公司 | Wearable pressure sensor of textile material base and preparation method thereof |
| CN109724724A (en) * | 2018-12-27 | 2019-05-07 | 武汉飞帛丝科技有限公司 | Pressure distributed flexible sensor and preparation method thereof |
| CN111938642A (en) * | 2020-08-26 | 2020-11-17 | 暨南大学 | System and method for measuring parameters of plantar pressure surface based on electrical impedance imaging technology |
-
2014
- 2014-05-12 CN CN201420239359.XU patent/CN203824682U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9823802B2 (en) | 2014-12-03 | 2017-11-21 | Boe Technology Group Co., Ltd. | Array pressure-sensing imaging device |
| CN104406722A (en) * | 2014-12-03 | 2015-03-11 | 合肥京东方光电科技有限公司 | Array pressure surface sensing imaging device |
| CN105758563A (en) * | 2015-04-03 | 2016-07-13 | 中国医学科学院生物医学工程研究所 | Single-side electrode flexible touch sense sensor array based on electrical impedance distributed measurement |
| CN105738011A (en) * | 2016-03-30 | 2016-07-06 | 宁波艾克威特智能科技有限公司 | Flexible tactile sensor |
| CN105675181B (en) * | 2016-04-01 | 2018-11-13 | 山东大学 | A kind of dot matrix pressure detecting system and detection method based on flexible pressure drag material |
| CN105675181A (en) * | 2016-04-01 | 2016-06-15 | 山东大学 | Dot-matrix pressure detection system based on flexible piezoresistive material and detection method |
| CN106926239A (en) * | 2017-03-08 | 2017-07-07 | 江苏艾萨克机器人股份有限公司 | A kind of modularization sensory package, robot security's protection system and its method of work comprising modularization sensory package |
| CN108801516A (en) * | 2018-06-14 | 2018-11-13 | 杭州电子科技大学 | A kind of preparation method of large area flexible sensor array |
| CN109556767A (en) * | 2018-10-22 | 2019-04-02 | 清瑞博源智能科技河北有限责任公司 | A kind of intelligence pressure drag pliable pressure sensor array |
| CN109556767B (en) * | 2018-10-22 | 2020-10-16 | 清瑞博源智能科技河北有限责任公司 | Intelligent piezoresistive flexible pressure array sensor |
| CN109724723A (en) * | 2018-12-27 | 2019-05-07 | 武汉飞帛丝科技有限公司 | Wearable pressure sensor of textile material base and preparation method thereof |
| CN109724724A (en) * | 2018-12-27 | 2019-05-07 | 武汉飞帛丝科技有限公司 | Pressure distributed flexible sensor and preparation method thereof |
| CN109724724B (en) * | 2018-12-27 | 2022-01-04 | 武汉飞帛丝科技有限公司 | Pressure distribution type flexible sensor and preparation method thereof |
| CN111938642A (en) * | 2020-08-26 | 2020-11-17 | 暨南大学 | System and method for measuring parameters of plantar pressure surface based on electrical impedance imaging technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150512 |
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| EXPY | Termination of patent right or utility model |