CN113451791B - Connection structure, electronic skin, shell and mechanical arm of detection circuit board and electrode - Google Patents
Connection structure, electronic skin, shell and mechanical arm of detection circuit board and electrode Download PDFInfo
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- CN113451791B CN113451791B CN202110562067.4A CN202110562067A CN113451791B CN 113451791 B CN113451791 B CN 113451791B CN 202110562067 A CN202110562067 A CN 202110562067A CN 113451791 B CN113451791 B CN 113451791B
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- electrode
- detection circuit
- connection
- circuit board
- output end
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- 238000001514 detection method Methods 0.000 title claims abstract description 123
- 238000003466 welding Methods 0.000 claims abstract description 80
- 239000004020 conductor Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005476 soldering Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
- H01R4/029—Welded connections
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a connection structure of a detection circuit board and an electrode, which comprises the following components: and a first connection member configured with a welding end for welding with the electrode, and an output end electrically connected with the welding end. The first connecting piece provided by the embodiment of the invention comprises the welding end and the output end, wherein the welding end is in surface contact with the electrode, and the contact surface is increased by multiple times compared with the contact surface directly welded on the electrode through a wire in the prior art, so that the connection strength is improved, and the electronic skin is ensured not to lose efficacy due to the off-welding caused by frequent vibration and other problems when in use. In addition, the invention also discloses the electronic skin, the shell and the mechanical arm.
Description
Technical Field
The invention relates to the field of electronic skin, in particular to a connection structure of a detection circuit board and an electrode, an electronic skin, a shell and a mechanical arm.
Background
The electronic skin is a sensing device for detecting a proximity conductor, and can be applied to a mechanical arm to judge whether an object exists on a travel route of the mechanical arm through the electronic skin, so that the purpose of obstacle avoidance is achieved, for example, the application number is as follows: PCT/CN2019/106043 discloses a housing, a housing assembly, a robotic arm, and a robot of a mechanical device.
The electronic skin in the prior art comprises a detection circuit board and electrodes, and the detection circuit board is electrically connected with the electrodes through leads. Specifically, two ends of the wire are respectively connected to the detection circuit board and the electrode in a welding mode, and capacitance signals of a capacitor formed by the electrode and the proximity conductor are transmitted to the detection circuit board through the wire.
However, when the fixing scheme of the lead and the electrode is assembled on the mechanical arm in a welding way, the mechanical arm can generate frequent tiny vibration during working, and the lead and the electrode are easily detached due to the influence of vibration and other factors, so that the electronic skin is invalid.
Disclosure of Invention
The invention mainly aims to provide a connection structure of a detection circuit board and an electrode, and aims to solve the technical problem that the connection of the existing electronic skin and the electrode through a wire is possibly unstable.
In order to achieve the above object, the present invention provides a connection structure of a detection circuit board and an electrode, the connection structure of the detection circuit board and the electrode comprising:
a first connection member configured with a welding end for welding with an electrode, and an output end electrically connected with the welding end.
Wherein the cross section of the welding end is round, oval or rectangular.
The outer edge of the welding end is provided with a plurality of protruding structures for increasing the contact area of the electrode during welding.
Wherein the cross section of the welding end is larger than the cross section of the output end.
Wherein the cross-sectional area of the welded end is greater than 0.05 square centimeters.
Wherein, the connection structure of detection circuit board and electrode still includes:
the second connecting piece is provided with a first connecting end used for being connected with the output end and a second connecting end used for being electrically connected with the detection circuit board, and the first connecting end is electrically connected with the second connecting end.
Wherein the first and second connectors are each made of a conductive material.
The output end is constructed into a cylindrical structure with threads on the inner side, the first connecting end is constructed into a cylindrical structure with threads on the outer side, and the output end and the first connecting end can be connected through threads.
The output end is configured into a cylindrical structure with threads on the outer side, the first connecting end is configured into a cylindrical structure with threads on the inner side, and the output end and the first connecting end can be connected through threads.
The output end is a plug wire terminal, the first connecting end is a plug wire port, the output end is connected with the welding end through a wire, and the output end is inserted into the first connecting end and then fixedly connected through a buckle.
The output end is a plug wire port, the first connecting end is a plug wire terminal, the first connecting end and the second connecting end are connected through a wire, and the output end is fixedly connected after being inserted into the first connecting end.
The invention also proposes an electronic skin comprising:
an electrode;
a detection circuit board;
the electrode and the detection circuit board are connected and conducted through the connecting structure, so that the electrode and the detection circuit of the detection circuit board are electrically connected.
The invention also proposes an electronic skin comprising:
an electrode;
a detection circuit board;
the electrode and the detection circuit board are connected and conducted through the threaded connection structure, so that the electrode and the detection circuit of the detection circuit board are electrically connected.
The electrode is provided with an electrode connection area, the detection circuit board is provided with a hollow bonding pad electrically connected with the detection circuit, the electrode connection area is welded with the welding end, the output end is in threaded connection with the first connection end, and the second connection end is connected with the hollow bonding pad, so that the electrode is electrically connected with the detection circuit.
The cross section of the second connecting end is larger than that of the first connecting end, so that the second connecting end can be abutted against the hollow bonding pad after the first connecting end penetrates through the hollow bonding pad and is in threaded connection with the output end.
The invention also proposes an electronic skin comprising:
an electrode;
a detection circuit board;
the electrode and the detection circuit board are connected and conducted through the terminal connection structure, so that the electrode and the detection circuit of the detection circuit board are electrically connected.
The electrode is provided with an electrode connection area, the detection circuit board is provided with a circuit connection area electrically connected with the detection circuit, the electrode connection area is welded with the welding end, the output end is fixedly connected with the first connection end after being inserted, and the second connection end is welded with the circuit connection area, so that the electrode is electrically connected with the detection circuit.
The electrode can form a capacitor with the approaching conductor, and an electric signal used for representing the capacitor or the variation thereof is transmitted to the detection circuit of the detection circuit board through the connecting structure, and the detection circuit of the detection circuit board is used for converting the electric signal representing the capacitor or the variation thereof into an electric signal of a capacitance value or the variation thereof.
The invention also proposes a housing for a device, the housing comprising:
a housing; the electronic skin described in the foregoing,
wherein, the electron skin sets up on the casing.
The invention also proposes a mechanical arm comprising:
a body;
a control board; and
the device comprises a body, a control board, a detection circuit board, a plurality of shells, a plurality of control boards and a plurality of control boards, wherein the shells of the devices are arranged on the outer surface of the body, and the control board is electrically connected with the detection circuit board.
Compared with the prior art, the embodiment of the invention has the beneficial technical effects that:
the connecting structure of the detection circuit board and the electrode provided by the embodiment of the invention comprises a first connecting piece, wherein the first connecting piece is provided with a welding end and an output end, the welding end is electrically connected with the electrode, the output end is electrically connected with the detection circuit board, and the electrode is electrically connected with the detection circuit board through the welding end and the output end. The welding end is in surface contact with the electrode, and the contact surface is increased by multiple times compared with the contact surface directly welded on the electrode through a lead in the prior art, so that the connection strength is improved, and the electronic skin is ensured not to lose efficacy due to the problem of frequent vibration and the like during use.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an electronic skin of the present invention;
FIG. 2 is an exploded view of the electronic skin of FIG. 1;
FIG. 3 is a schematic structural view of a first connecting member of the connection structure of the detection circuit board and the electrode according to the present invention;
FIG. 4 is a schematic structural diagram of a second connecting member of the connection structure of the detection circuit board and the electrode according to the present invention;
fig. 5 is a schematic structural view of an embodiment of a plug wire terminal and a plug wire port of the connection structure of the detection circuit board and the electrode according to the present invention;
fig. 6 is a schematic structural view of the plug wire terminal shown in fig. 5 in a plug wire port plugging state;
fig. 7 is a schematic structural view of another embodiment of a plug wire terminal and a plug wire port of the connection structure of the detection circuit board and the electrode according to the present invention;
fig. 8 is a schematic structural view of the plug wire terminal shown in fig. 7 in a plug wire port plugging state;
FIG. 9 is a schematic view of the structure of the electrode connection region of the electrode;
fig. 10 is a schematic structural view of a hollow pad of a test circuit board.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.
Example 1
The invention provides a connection structure of a detection circuit board and an electrode, referring to fig. 1-3, the connection structure of the detection circuit board and the electrode comprises: the first connection member 30, the first connection member 30 is configured with a welding end 31 for welding with the electrode 20, and an output end 32 electrically connected with the welding end 31.
The connection structure of the detection circuit board and the electrode provided by the embodiment of the invention comprises a first connecting piece 30, wherein the first connecting piece 30 is used for connecting the electrode 20 and the detection circuit board 10, the first connecting piece comprises a welding end 31 and an output end 32, the welding end 31 is electrically connected with the electrode 20 in a welding manner, and the output end 32 is electrically connected with the welding end 31 and is used for being electrically connected with the detection circuit board 10. The welding end 31 is in surface contact with the electrode 20, and the contact surface is increased by multiple times compared with the contact surface directly welded on the electrode 20 through a lead in the prior art, so that the connection strength is improved, and the electronic skin is ensured not to lose efficacy due to the off-welding caused by frequent vibration and other problems when in use.
In addition, the first connecting piece 30 according to the embodiment of the present invention further includes a first conductive connecting portion, and the first conductive connecting portion is located between the welding end 31 and the output end 32 and is used for electrically connecting the welding end 31 and the output end 32. Namely: the welding end 31 and the output end 32 are respectively positioned at two ends of the first conductive connecting part, the welding end 31 is welded on the electrode 20, and capacitance change signals of the capacitance formed by the electrode 20 and the approaching conductor are transmitted to the detection circuit board 10 through the welding end 31, the first conductive connecting part and the output end 32 in sequence.
Example two
The welding end 31 according to the embodiment of the present invention has a circular or elliptical or rectangular cross section. In this embodiment, the cross section of the welding tip 31 is configured in a circular, elliptical or rectangular structure, that is, the surface of the welding tip 31 in contact with the electrode 20 is circular, elliptical or rectangular. The contact between the welding end 31 and the electrode 20 is a surface contact, which can greatly improve the connection strength between the first connector 30 and the electrode 20 compared to the point contact between the conventional wire and the electrode 20, and the shape of the cross section of the welding end 31 is merely exemplary, but not limiting, and one skilled in the art can design the welding end according to practical situations, such as triangle, trapezoid, etc.
Example III
Referring to fig. 3, the outer edge of the welding end 31 according to the embodiment of the present invention is constructed with a plurality of protruding structures 50 for increasing the contact area of the electrode 20 when welding. In this embodiment, the protruding structure 50 configured at the outer edge of the welding end 31 is used to increase the contact area between the welding end 31 and the electrode 20, so as to further enhance the connection strength between the first connecting member 30 and the electrode 20. The protruding structure 50 may be a single protruding plate or a plurality of protruding plates distributed at equal or non-equal intervals.
Example IV
The cross section of the welding end 31 proposed by the embodiment of the present invention is larger than the cross section of the output end 32. In this embodiment, the larger the cross section of the welding end 31, the larger the contact surface between the welding end 31 and the electrode 20, so that the connection between the first connecting member 30 and the electrode 20 is stronger. Since the output end 32 does not need to be welded to the electrode 20, the cross-sectional area of the welding end 31 can be increased adaptively, while the cross-sectional area of the output end 32 can be reduced adaptively, so that the contact surface between the welding end 31 and the electrode 20 is as large as possible with the same weight of the first connecting member 30.
Example five
The cross-sectional area of the weld end 31 as proposed by the present embodiment is greater than 0.05 square centimeters. In this embodiment, considering that the first connecting member 30 is not too large, the cross-sectional area of the welding end 31 of the first connecting member 30 according to the embodiment of the present invention is 0.04-0.07 square cm, and those skilled in the art can design the welding end according to practical situations. Preferably, the cross-sectional area of the weld end 31 as set forth in the present embodiment is 0.05 square centimeters, which is exemplary only and not limiting.
In some embodiments, the cross-sectional area of the welding end 31 may also be 0.05 square centimeters, 0.06 square centimeters, 0.07 square centimeters, 0.08 square centimeters, 0.09 square centimeters, 0.10 square centimeters, 0.15 square centimeters, 0.20 square centimeters, 0.30 square centimeters, 0.40 square centimeters, 0.50 square centimeters, 1 square centimeters.
Example six
Referring to fig. 4, the connection structure of the detection circuit board and the electrode according to the embodiment of the present invention further includes a second connection member 40, where the second connection member 40 is configured with a first connection terminal 41 for connecting with the output terminal 32 and a second connection terminal 42 for electrically connecting with the detection circuit board 10, and the first connection terminal 41 and the second connection terminal 42 are electrically connected. In this embodiment, the cross section of the second connecting end 42 has a certain area, so that the contact surface between the second connecting end 42 and the detection circuit board 10 can be increased, thereby increasing the connection strength between the second connecting piece 40 and the detection circuit board 10, ensuring the connection firmness between the second connecting piece 40 and the detection circuit board 10, and avoiding the second connecting piece 40 from loosening or even falling off from the detection circuit board 10 when receiving an external force.
Further, the second connecting piece 40 according to the embodiment of the present invention further includes a second conductive connecting portion, and the second conductive connecting portion is located between the first connecting end 41 and the second connecting end 42, for electrically connecting the first connecting end 41 and the second connecting end 42. Namely: the first connection end 41 and the second connection end 42 are respectively located at two ends of the second conductive connection portion, the first connection end 41 is used for being electrically connected with the output end 32, the second connection end 42 is welded on the detection circuit board 10, and capacitance change signals of capacitance formed by the proximity conductors are transmitted to the detection circuit board 10 through the welding end 31, the first conductive connection portion, the output end 32, the first connection end 41, the second conductive connection portion and the second connection end 42 in sequence.
Example seven
The first connector 30 and the second connector 40 according to the embodiment of the present invention are made of conductive materials. In this embodiment, the output end 32 and the welding end 31 of the first connecting member 30 are made of conductive materials, the output end 32 is welded to the electrode 20 by welding, and the welding end 31 is electrically connected to the electrode 20 after the welding end 31 is welded to the electrode 20 because the welding end 31 is made of conductive materials. The second connecting member 40 includes a first connecting end 41 and a second connecting end 42 made of conductive material, and the second connecting end 42 is welded to the detection circuit board 10 by welding, and after the second connecting end 42 is welded to the detection circuit board 10, the second connecting end 42 is electrically connected to the detection circuit board 10. Preferably, the first connector 30 and the second connector 40 according to the embodiment of the present invention are made of copper materials with excellent electrical conductivity, which is, of course, merely exemplary and not limitative, and those skilled in the art can design the first connector according to practical situations, for example, iron, steel, etc.
Example eight
The output end 32 according to the embodiment of the present invention is configured as a cylindrical structure with threads on the inner side, the first connection end 41 is configured as a cylindrical structure with threads on the outer side, and the output end 32 and the first connection end 41 can be connected by threads. In this embodiment, the output end 32 of the first connecting member 30 is configured as a cylindrical structure, the first connecting end 41 of the second connecting member 40 is configured as a cylindrical structure, the first connecting member 30 and the second connecting member 40 are fixedly connected in the first connecting end 41 through the output end 32, and after the output end 32 is inserted in the first connecting end 41, the two connecting members can be connected through a clamping structure or can be connected through a threaded section. Preferably, the inner side of the output end 32 according to the embodiment of the present invention is configured with a first threaded section, and the outer side of the first connecting end 41 is configured with a second threaded section, wherein the first threaded section and the second threaded section have opposite screw directions, so as to fixedly connect the first connecting member 30 and the second connecting member 40 through the first threaded section and the second threaded section.
Example nine
The output end 32 according to the embodiment of the present invention is configured as a cylindrical structure with threads on the outer side, the first connection end 41 is configured as a cylindrical structure with threads on the inner side, and the output end 32 and the first connection end 41 can be connected by threads. In this embodiment, the output end 32 of the first connecting member 30 is configured as a cylindrical structure, the first connecting end 41 of the second connecting member 40 is configured as a cylindrical structure, the first connecting member 30 and the second connecting member 40 are fixedly connected in the output end 32 by plugging the first connecting end 41, and after plugging the first connecting end 41 in the output end 32, the first connecting end and the second connecting end can be connected through a clamping structure or can be connected through a threaded section. Preferably, the outer side of the output end 32 according to the embodiment of the present invention is configured with a first threaded section, and the inner side of the first connecting end 41 is configured with a second threaded section, wherein the first threaded section and the second threaded section have opposite screw directions, so as to fixedly connect the first connecting member 30 and the second connecting member 40 through the first threaded section and the second threaded section.
Examples ten
Referring to fig. 5-6, the output end 32 provided in the embodiment of the present invention is a plug wire terminal 50, the first connection end 41 is a plug wire port 60, the output end 32 and the welding end 31 are connected by a wire, and the output end 32 is fixedly connected by a buckle after being inserted into the first connection end 41. In the present embodiment, the output end 32 of the first connector 30 is configured as a plug wire terminal 50, and the first connection end 41 of the second connector 40 is configured as a plug wire port 60, so that the first connector 30 and the second connector 40 are connected in such a manner that the plug wire terminal 50 is plugged into the plug wire port 60. Specifically, the first connector 30 is electrically connected to the electrode 20 through the soldering terminal 31, the second connector 40 is electrically connected to the detection circuit board 10 through the second connector 42, and the first connector 30 and the second connector 40 are electrically connected through the output terminal 32 configured as the plug wire terminal 50 and the first connector 41 configured as the plug wire port 60.
Example eleven
Referring to fig. 7-8, in the embodiment of the present invention, the output end 32 is a plug wire port 60, the first connection end 41 is a plug wire terminal 50, the first connection end 41 and the second connection end 42 are connected by a wire, and the output end 32 is fixedly connected after being inserted into the first connection end 41. In the present embodiment, the output end 32 of the first connector 30 is configured as a plug wire port 60, and the first connection end 41 of the second connector 40 is configured as a plug wire terminal 50, so that the first connector 30 and the second connector 40 are connected in a manner of plugging in the plug wire port 60 through the plug wire terminal 50. Specifically, the first connector 30 is electrically connected to the electrode 20 through the soldering terminal 31, the second connector 40 is electrically connected to the detection circuit board 10 through the second connector 42, and the first connector 30 and the second connector 40 are electrically connected through the first connector 41 configured as the plug wire terminal 50 and the output terminal 32 configured as the plug wire port 60.
Example twelve
The electronic skin further comprises an electrode 20, a detection circuit board 10 and a connection structure between the detection circuit board and the electrode, wherein the connection structure between the detection circuit board 10 and the electrode 20 is used for connecting and conducting the electrode 20 and the detection circuit of the detection circuit board 10. The specific structure of the connection structure between the detection circuit board and the electrode refers to the above embodiment, and since the electronic skin adopts all the technical solutions of all the embodiments, at least all the technical effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.
Example thirteen
The electronic skin further provided by the invention comprises the electrode 20, the detection circuit board 10 and the connection structure of the detection circuit board and the electrode, which is described in the eighth embodiment or the ninth embodiment, wherein the detection circuit board 10 and the electrode 20 are connected and conducted through the connection structure, which is described in the eighth embodiment or the ninth embodiment, so that the electrode 20 and the detection circuit of the detection circuit board 10 are electrically connected. The specific structure of the connection structure between the detection circuit board and the electrode refers to the above embodiment, and since the electronic skin adopts all the technical solutions of all the embodiments, at least all the technical effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.
Examples fourteen
Referring to fig. 9 to 10, the electrode 20 according to the embodiment of the present invention is constructed with an electrode connection region 70, the sensing circuit board 10 is constructed with a hollow pad 80 electrically connected to the sensing circuit, the electrode connection region 70 is soldered to the soldering terminal 31, the output terminal 32 is screwed to the first connection terminal 41, and the second connection terminal 42 is connected to the hollow pad 80, thereby electrically connecting the electrode 20 to the sensing circuit. In this embodiment, the electrode 20 is configured with an electrode connection area 70 for welding with the welding end 31, and an area defined by the electrode connection area 70 is matched with the size of the bottom surface of the welding end 31, and when the first connecting member 30 is connected with the electrode 20, the bottom surface of the welding end 31 contacts with the electrode connection area 70. Further, the inspection circuit board 10 is configured with a hollow pad 80, and an area defined by the hollow pad 80 is matched with a size of a bottom surface of the second connection terminal 42, and when the second connection terminal 42 is connected to the inspection circuit board 10, the bottom surface of the second connection terminal 42 contacts with the hollow pad 80. After the first connecting member 30 is connected to the electrode 20 and the second connecting member 40 is connected to the detection circuit board 10, the first connecting member 30 and the second connecting member 40 are screwed to the first connecting end 41 through the output end 32, so that the electrode 20 is electrically connected to the detection circuit board 10. Furthermore, the first connecting end 41 and the output end 32 are screwed together, and the second connecting end 42 abuts against the hollow bonding pad 80, so as to achieve the purpose of fixedly connecting the detection circuit board 10 and the electrode 20, and the detection circuit board 10 and the electrode 20 are fixed by screwing together, so that the detection circuit board is convenient to mount and dismount.
Example fifteen
The cross section of the second connection end 42 proposed in the embodiment of the present invention is larger than that of the first connection end 41, so that the second connection end 42 can abut against the hollow pad 80 after the first connection end 41 passes through the hollow pad 80 and is in threaded connection with the output end 32. In this embodiment, since the cross section of the second connection end 42 is larger than that of the first connection end 41, after the first connection end 41 passes through the hollow pad 80 and is screwed with the output end 32, the second connection end 42 will abut against the hollow pad 80, so that the second connection end 42 and the hollow pad 80 form an electrical connection. Further, the larger the cross section of the second connecting end 42 is, the larger the contact surface between the second connecting end 42 and the detection circuit board 10 is, so that the connection between the second connecting member 40 and the detection circuit board 10 is more firm. Since the first connection end 41 does not need to be soldered to the detection circuit board 10, the cross-sectional area of the second connection end 42 can be increased adaptively, while the cross-sectional area of the first connection end 41 can be reduced adaptively, so that the contact surface between the second connection end 42 and the detection circuit board 10 can be as large as possible under the condition that the weight of the second connection piece 40 is the same.
Examples sixteen
The electronic skin further provided by the invention comprises the electrode 20, the detection circuit board 10 and the connection structure of the detection circuit board and the electrode, which is described in the eighth or ninth embodiment, wherein the detection circuit board 10 and the electrode 20 are connected and conducted through the connection structure described in the tenth or eleventh embodiment, so that the electrode 20 and the detection circuit of the detection circuit board 10 are electrically connected. The specific structure of the connection structure between the detection circuit board and the electrode refers to the above embodiment, and since the electronic skin adopts all the technical solutions of all the embodiments, at least all the technical effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.
Example seventeen
The electrode 20 according to the embodiment of the present invention is configured with an electrode connection area 70, the detection circuit board 10 is configured with a circuit connection area electrically connected to the detection circuit, the electrode connection area 70 is welded to the welding end 31, the output end 32 is fixedly connected to the first connection end 41 after being inserted, and the second connection end 42 is welded to the circuit connection area, so that the electrode 20 is electrically connected to the detection circuit. In this embodiment, the electrode 20 is configured with an electrode connection area 70 for welding with the welding end 31, and an area defined by the electrode connection area 70 is matched with the size of the bottom surface of the welding end 31, and when the first connecting member 30 is connected with the electrode 20, the bottom surface of the welding end 31 contacts with the electrode connection area 70. Further, the detection circuit board 10 is configured with a circuit connection area, and an area defined by the circuit connection area is matched with a bottom surface of the second connection end 42, so that when the second connection end 42 is connected with the detection circuit board 10, the bottom surface of the second connection end 42 contacts with the circuit connection area. After the first connecting member 30 is connected to the electrode 20 and the second connecting member 40 is connected to the detection circuit board 10, the first connecting member 30 and the second connecting member 40 are then connected to the first connecting terminal 41 through the output terminal 32 in a plug-in manner, so as to realize electrical connection between the electrode 20 and the detection circuit board 10. Furthermore, the electrode 20 and the detection circuit board 10 provided by the embodiment of the invention are fixed by plugging the plug wire terminal 50 and the plug wire port 60, and the plug wire terminal 50 is only required to be pulled out from the plug wire port 60 or the plug wire terminal 50 is inserted into the plug wire port 60 during disassembly and assembly, so that the electrode has the advantage of easy assembly and disassembly.
Example eighteen
The electrode 20 proposed in the embodiment of the present invention can form a capacitance with a nearby conductor, and transmits an electrical signal for representing the capacitance or a variation thereof to the detection circuit of the detection circuit board 10 through the connection structure, and the detection circuit of the detection circuit board 10 is used for converting the electrical signal representing the capacitance or the variation thereof into an electrical signal of a capacitance value or a variation thereof. In this embodiment, the electrode 20 may be a copper foil coated on the joint surface of the mechanical arm, which is only exemplary, not limiting, and may be silver, aluminum or ITO material. The electrode 20-air-conductor forms a capacitor, the distance between the electrode 20 and the conductor changes, so that the capacitance formed by the electrode 20 and the conductor changes, and the electrode 20 can transmit an electric signal for representing the capacitance or the change amount thereof to the detection circuit through the connection structure so as to be converted into an electric signal for representing the capacitance or the change amount thereof by the detection circuit.
Examples nineteenth
The invention further provides a shell which comprises a shell and any electronic skin recorded in each embodiment, wherein the electronic skin is arranged on the shell, and the specific structure of the electronic skin refers to the embodiment.
Example twenty
The invention further provides a mechanical arm which comprises a body, a control board and a plurality of shells recorded in the previous embodiments, wherein the shells are arranged on the outer surface of the body, and the control board is electrically connected with the detection circuit board 10. The specific structure of the housing refers to the above embodiments, and since the mechanical arm adopts all the technical solutions of all the embodiments, at least all the technical effects brought by the technical solutions of the embodiments are provided, and will not be described in detail herein.
The above description and drawings should not be taken as limiting the scope of the invention in any way, but rather should be understood to cover all modifications, structural equivalents, or direct/indirect applications of the invention in the light of the general principles of the present invention which may be employed in the present invention and illustrated by the accompanying drawings.
Claims (12)
1. A connection structure of a detection circuit board and an electrode, comprising:
a first connection member configured with a welding end for welding with an electrode, and an output end electrically connected with the welding end, the welding end having a cross section larger than that of the output end;
a second connecting member configured with a first connecting end for connecting with the output end and a second connecting end for electrically connecting with the detection circuit board, the first connecting end and the second connecting end being electrically connected;
the electrode is provided with an electrode connection area, the detection circuit board is provided with a hollow bonding pad electrically connected with the detection circuit, the electrode connection area is welded with the welding end, the output end is in threaded connection with the first connection end, and the second connection end is connected with the hollow bonding pad, so that the electrode is electrically connected with the detection circuit board; the cross section of the second connecting end is larger than that of the first connecting end, so that after the first connecting end passes through the hollow bonding pad and is in threaded connection with the output end, the second connecting end can be abutted against the hollow bonding pad, and the detection circuit board is clamped between the second connecting end and the output end;
the output end is a plug wire terminal, the first connecting end is a plug wire port, the output end and the welding end are connected through a wire, and the output end is fixedly connected through a buckle after being inserted into the first connecting end; or, the output end is a plug wire port, the first connecting end is a plug wire terminal, the first connecting end is connected with the second connecting end through a wire, and the output end is fixedly connected after being inserted into the first connecting end.
2. The connection according to claim 1, wherein,
the cross section of the welding end is round, oval or rectangular.
3. The connection structure according to claim 2, wherein,
the outer edge of the welding end is provided with a plurality of protruding structures for increasing the contact area when the electrode is welded.
4. The connection according to claim 1, wherein,
the cross-sectional area of the welded end is greater than 0.05 square centimeters.
5. The connection according to claim 1, wherein,
the first connector and the second connector are each made of an electrically conductive material.
6. The connection according to claim 1, wherein,
the output end is constructed to have the tubular structure of screw thread in the inboard, the first link is constructed to have the column structure of screw thread in the outside, the output end with first link can threaded connection.
7. The connection according to claim 1, wherein,
the output end is constructed to have the column structure of screw thread in the outside, the first link is constructed to have the column structure of screw thread in the inboard, the output end with first link can threaded connection.
8. An electronic skin, comprising:
an electrode;
a detection circuit board;
wherein the electrode and the detection circuit board are connected and conducted through the connection structure as claimed in any one of claims 1 to 7, so that the electrode and the detection circuit of the detection circuit board are electrically connected.
9. The electronic skin of claim 8, wherein the skin is a skin-care product,
the electrode is provided with an electrode connection area, the detection circuit board is provided with a circuit connection area electrically connected with the detection circuit, the electrode connection area is welded with the welding end, the output end is fixedly connected with the first connection end after being inserted, and the second connection end is welded with the circuit connection area, so that the electrode is electrically connected with the detection circuit.
10. The electronic skin according to claim 8 to 9, wherein,
the electrode can form a capacitor with the approaching conductor, and an electric signal used for representing the capacitor or the variation thereof is transmitted to a detection circuit of the detection circuit board through the connecting structure, and the detection circuit of the detection circuit board is used for converting the electric signal representing the capacitor or the variation thereof into an electric signal of a capacitance value or the variation thereof.
11. A housing, comprising:
a housing; and an electronic skin according to claim 10,
wherein, the electron skin sets up on the casing.
12. A robotic arm, comprising:
a body;
a control board; and
the shell of claim 11, wherein the shell is arranged on the outer surface of the body, and the control board is electrically connected with the detection circuit board.
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| CN202110562067.4A CN113451791B (en) | 2021-05-22 | 2021-05-22 | Connection structure, electronic skin, shell and mechanical arm of detection circuit board and electrode |
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| CN202110562067.4A CN113451791B (en) | 2021-05-22 | 2021-05-22 | Connection structure, electronic skin, shell and mechanical arm of detection circuit board and electrode |
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