CN106785758B - POS machine combination data line antistatic structure and antistatic treatment method - Google Patents
POS machine combination data line antistatic structure and antistatic treatment method Download PDFInfo
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- CN106785758B CN106785758B CN201710054412.7A CN201710054412A CN106785758B CN 106785758 B CN106785758 B CN 106785758B CN 201710054412 A CN201710054412 A CN 201710054412A CN 106785758 B CN106785758 B CN 106785758B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 216
- 229910052782 aluminium Inorganic materials 0.000 claims description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 49
- 239000011888 foil Substances 0.000 claims description 49
- 230000005611 electricity Effects 0.000 claims description 36
- 239000004020 conductor Substances 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 239000011889 copper foil Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/6485—Electrostatic discharge protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Water Treatment By Electricity Or Magnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of data wires, in particular to a combined data wire antistatic structure of a POS machine and an antistatic treatment method.
Description
Technical field:
the invention relates to the technical field of data lines, in particular to an antistatic structure and an antistatic treatment method for a POS machine combined data line.
The background technology is as follows:
in the industry of connectors, the combined data line generally has functions of normal power supply, digital transmission, analog signal transmission, communication protocol and the like, and because the connector plug and the wire are exposed, the combined data line is very easy to contact with charged objects such as a human body with static electricity, and accordingly static electricity is introduced into equipment and a system, normal operation of the equipment is affected, and even the system and the equipment are damaged. In particular, for the POS machine to incorporate a data line, such electrostatic protection is directly related to the customer account number security issue during operation, and is of even greater importance.
The traditional way to prevent static electricity is to add a copper wire braided shield to the wire and then reliably contact the power ground through the plug metal housing. However, due to the complexity of combining data wires, some wires such as spring wires add a braided shield that affects mechanical properties such as elasticity, physical dimensions, etc.; connector plugs such as RJ45 crystal heads and the like are not all provided with metal iron shells which can be connected with the ground; the signal ground (virtual ground) of the data line cannot be directly connected with the power supply ground, and the like, so that the comprehensive electrostatic protection of the combined wire is difficult, and electrostatic damage is likely to be caused in the moment if the user does not strictly insert and pull the connector plugs in a certain sequence during use.
The invention comprises the following steps:
the invention aims to provide a POS machine combined data line antistatic structure capable of achieving an antistatic effect by integrally antistatic for each discrete wire of a combined data line and a POS machine combined data line antistatic treatment method capable of achieving an antistatic effect by integrally antistatic for each discrete wire of a combined data line.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the POS machine is combined with the data line antistatic structure and comprises a middle main line and two connector line groups respectively connected to two ends of the middle main line, wherein each connector line group comprises a power supply line, an analog communication line and a digital communication twisted pair;
the power supply line comprises a power core wire, a winding conductor wound on the outer layer of the power core wire and a power insulation layer coated on the outer layer of the winding conductor;
the analog communication line comprises an analog communication diversion ground wire and a plurality of analog communication core wires, wherein the outer layers of the analog communication core wires and the analog communication diversion ground wire are sequentially coated with an analog communication single-sided conductive aluminum foil and an analog communication insulating layer which can only conduct electricity inwards;
the digital communication twisted pair comprises two twisted pair groups and a digital communication insulating layer coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct inwards, and the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair core wire and the digital communication diversion ground wire;
the middle main line comprises 2 power core wires forming an inner layer, a plurality of analog communication core wires, an analog communication diversion ground wire and two twisted pair wire groups, wherein each twisted pair wire group comprises a twisted pair wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct electricity inwards, the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair wire and the digital communication diversion ground wire, and the outer layers of the plurality of analog communication core wires and the analog communication diversion ground wire are coated with the analog communication single-sided conductive aluminum foil which can only conduct electricity inwards; the outer part of the inner layer of the middle main line is sequentially coated with a single-sided conductive aluminum foil of the main line, which can only conduct electricity inwards, and a main line insulating layer;
the plurality of analog communication core wires of the analog communication line are respectively and correspondingly connected and communicated with the plurality of analog communication core wires of the middle main line, the two groups of twisted pair core wires of the digital communication twisted pair wires are respectively and correspondingly connected and communicated with the two groups of twisted pair core wires of the middle main line, the power core wire of the power supply line is correspondingly connected and communicated with one of the power core wires of the middle main line, the winding conductor of the power supply line is correspondingly connected and communicated with the other power core wire of the middle main line, and the digital communication diversion ground wire and the analog communication diversion ground wire of each group in the connector line group and the middle main line are respectively connected and communicated with the winding conductor of the power supply line.
The connector wire group and the middle main line are connected with each other, the position of the connector wire group, which is connected with the middle main line, forms a diversion connecting part, the diversion connecting part sequentially comprises a connecting circuit board, an inner die, a diversion copper foil and an outer die from inside to outside, each group of analog communication core wires, twisted pair core wires, a power core wire and a part of winding conductors are respectively welded with the connecting circuit board, and each group of digital communication diversion ground wires, analog communication diversion ground wires and part of winding conductors in the connector wire group and the middle main line respectively penetrate out of the inner die and are welded on the diversion copper foil.
The inner mold is made of PE material, and the outer mold is made of PVC material.
The middle main line is of a spiral spring line structure.
The power supply line is connected with the power connector, the analog communication line is connected with the analog communication connector, and the digital communication twisted pair is connected with the digital communication connector.
The invention also discloses an antistatic treatment method for the POS machine combination data line, which comprises the following steps:
A. providing an intermediate main line and a connector line group, wherein the connector line group comprises a power supply line, an analog communication line and a digital communication twisted pair;
the power supply line comprises a power core wire, a winding conductor wound on the outer layer of the power core wire and a power insulation layer coated on the outer layer of the winding conductor;
the analog communication line comprises an analog communication diversion ground wire and a plurality of analog communication core wires, wherein the outer layers of the analog communication core wires and the analog communication diversion ground wire are sequentially coated with an analog communication single-sided conductive aluminum foil and an analog communication insulating layer which can only conduct electricity inwards;
the digital communication twisted pair comprises two twisted pair groups and a digital communication insulating layer coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct electricity inwards, and the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair core wire and the digital communication diversion ground wire;
the middle main line comprises 2 power core wires forming an inner layer, a plurality of analog communication core wires, an analog communication diversion ground wire and two twisted pair wire groups, wherein each twisted pair wire group comprises a twisted pair wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct inwards, the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair wire and the digital communication diversion ground wire, and the outer layers of the plurality of analog communication core wires and the analog communication diversion ground wire are coated with the analog communication single-sided conductive aluminum foil which can only conduct inwards; the outer part of the inner layer of the middle main line is sequentially coated with a single-sided conductive aluminum foil of the main line, which can only conduct electricity inwards, and a main line insulating layer;
B. the winding conductor of the power supply line is arranged into two parts, wherein one part is twisted into a strand and sleeved with a black heat shrink tube to be used as a power core line V-, and the other part is twisted into a line to be used as a diversion ground line GND;
C. the end parts of each core wire of the middle main wire and the connector wire group are respectively inserted into a welding jig and welded with a connecting circuit board arranged in the welding jig, and the rest groups of diversion ground wires are folded back for standby after being tidied;
D. injecting plastic raw materials into the welding jig for integral injection molding to form an inner mold for coating and connecting the circuit board and the end parts of each core wire, wherein each group of guide ground wires is exposed outside the inner mold;
E. at least one layer of diversion copper foil is completely coated on the outer layer of the internal mold, and each group of diversion ground wires is welded on the diversion copper foil nearby
F. And forming a layer of outer mold on the outer layer of the diversion copper foil in an integral injection molding mode.
And two ends of the middle main line are respectively connected with a group of connector line groups.
The inner mold is made of PE material, and the outer mold is made of PVC material.
The middle main line is of a spiral spring line structure.
The power supply line is connected with the power connector, the analog communication line is connected with the analog communication connector, and the digital communication twisted pair is connected with the digital communication connector.
The invention has the beneficial effects that: the invention relates to an antistatic structure of a POS machine combined data wire, which comprises a middle main wire and two connector wire groups respectively connected to two ends of the middle main wire, wherein the connector wire groups comprise a power supply wire, an analog communication wire and a digital communication twisted pair, the middle main wire comprises 2 power supply core wires, a plurality of analog communication core wires, an analog communication diversion ground wire, two twisted pair groups and the like, and the diversion ground wire and a single-sided conductive aluminum foil are arranged in the analog communication wire and the digital communication twisted pair to form an electrostatic discharge channel.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the intermediate main line of the present invention.
Fig. 3 is a cross-sectional view of the power supply line of the present invention.
Fig. 4 is a cross-sectional view of a simulated communication line of the present invention.
Fig. 5 is a cross-sectional view of a twisted pair for digital communication of the present invention.
Fig. 6 is a schematic view of the internal structure of the flow guiding connection part of the present invention.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings, and as shown in fig. 1-6, the POS unit is combined with a data line antistatic structure, and comprises a middle main line 1, two groups of connector line groups respectively connected to two ends of the middle main line 1, wherein the connector line groups comprise a power supply line 2, an analog communication line 3 and a digital communication twisted pair 4, and the middle main line 1 is in a spiral spring line structure.
The power supply line 2 includes a power core wire 21, a winding conductor 22 wound around the outer layer of the power core wire 21, and a power insulating layer 23 covering the outer layer of the winding conductor 22.
The analog communication line 3 comprises an analog communication diversion ground wire 32 and a plurality of analog communication core wires 31, and the outer layers of the analog communication core wires 31 and the analog communication diversion ground wire 32 are sequentially coated with an analog communication single-sided conductive aluminum foil 33 and an analog communication insulating layer 34 which can only conduct electricity inwards. The analog communication diversion ground wire 32 and the analog communication single-sided conductive aluminum foil 33 form an electrostatic discharge channel.
The digital communication twisted pair 4 comprises two twisted pair groups and a digital communication insulating layer 44 coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire 41, a digital communication diversion ground wire 42 and a digital communication single-sided conductive aluminum foil 43 which can only conduct inwards, and the digital communication single-sided conductive aluminum foil 43 is coated on the outer layers of the twisted pair core wire 41 and the digital communication diversion ground wire 42. The digital communication diversion ground wire 42 and the digital communication single-sided conductive aluminum foil 43 form an electrostatic discharge channel.
The middle main line 1 comprises 2 power core wires 11, a plurality of analog communication core wires 12, an analog communication diversion ground wire 13 and two twisted pair groups, wherein the power core wires 11, the analog communication diversion ground wire 13 and the two twisted pair groups comprise a twisted pair core wire 14, a digital communication diversion ground wire 15 and a digital communication single-sided conductive aluminum foil 16 which can only conduct inwards, the digital communication single-sided conductive aluminum foil 16 is coated on the outer layers of the twisted pair core wires 14 and the digital communication diversion ground wire 15, and the outer layers of the analog communication core wires 12 and the analog communication diversion ground wire 13 are coated with an analog communication single-sided conductive aluminum foil 17 which can only conduct inwards; the outer part of the inner layer of the middle main line 1 is sequentially coated with a main line single-sided conductive aluminum foil 18 and a main line insulating layer 19 which can only conduct electricity inwards.
The plurality of analog communication core wires 31 of the analog communication wire 3 are correspondingly connected and conducted with the plurality of analog communication core wires 12 of the intermediate main wire 1 respectively, the two groups of twisted pair core wires 41 of the digital communication twisted pair wires 4 are correspondingly connected and conducted with the two groups of twisted pair core wires 14 of the intermediate main wire 1 respectively, the power core wires 21 of the power supply wire 2 are correspondingly connected and conducted with one of the power core wires 11 of the intermediate main wire 1, the winding conductor 22 of the power supply wire 2 is correspondingly connected and conducted with the other power core wire 11 of the intermediate main wire 1, and the connector wire group is respectively connected and conducted with each group of digital communication diversion ground wire and analog communication diversion ground wire in the intermediate main wire 1 respectively.
The position where the connector wire group is connected with the middle main wire 1 forms a diversion connecting part 5, the diversion connecting part 5 sequentially comprises a connecting circuit board 51, an inner die 52, a diversion copper foil 53 and an outer die 54 from inside to outside, each group of analog communication core wires, twisted pair core wires, a power core wire and a part of winding conductors are respectively welded with the connecting circuit board 51, and each group of digital communication diversion ground wires, analog communication diversion ground wires and part of winding conductors in the connector wire group and the middle main wire 1 respectively penetrate out of the inner die 52 to be welded on the diversion copper foil 53.
The inner mold 52 is a PE material and the outer mold 54 is a PVC material. The power supply line 2 is connected with a power connector 6, the analog communication line 3 is connected with an analog communication connector 7, and the digital communication twisted pair line 4 is connected with a digital communication connector 8.
The invention adopts a diversion mode of single-sided conductive aluminum foil and diversion ground wire, can carry out integral static prevention on each discrete wire of the combined data wire, sets diversion connection nodes on each diversion connection part inner die of the combined data wire on the premise of ensuring respective transmission function, carries out diversion copper foil wrapping treatment and diversion ground wire ring welding treatment on the inner die, then carries out grounding treatment with a power supply ground through a proper position such as the inside of the diversion connection part, finally achieves the purpose of placing static electricity into the ground, effectively prevents static electricity from damaging equipment and systems, not only achieves the effect of static electricity protection, but also does not influence the mechanical property of the spring wire, and has stronger cost economy. Under the condition that the combined data line is also contacted with high-voltage static electricity, all connector plugs are kept at low potential, so that equipment and system safety are ensured.
According to the invention, each discrete wire antistatic layer is directly connected into GND through the respective diversion ground wire and the power supply wire, and when all the external contact high-voltage static electricity which can be contacted with the combined data wire is generated, the induced static electricity is discharged to the power supply ground through the antistatic layer and the diversion ground wire, so that static electricity damage is effectively prevented, and the antistatic reaches more than 8 KV. The invention can effectively prevent the data transmission errors and the system or equipment damage caused by static electricity in the use process of the combined data line for the POS machine and the like. Therefore, the invention is suitable for the static protection of the combined data transmission line used by network communication equipment and the like, has the characteristics of reasonable structure, strong cost economy and strong practicability, and can be widely used in the connector industry.
The invention also discloses an antistatic treatment method for the POS machine combination data line, which comprises the following steps:
A. providing an intermediate main line 1 and a connector line group, wherein the connector line group comprises a power supply line 2, an analog communication line 3 and a digital communication twisted pair 4, and the intermediate main line 1 is in a spiral spring line structure;
the power supply line 2 comprises a power core wire 21, a winding conductor 22 wound on the outer layer of the power core wire 21, and a power insulation layer 23 coated on the outer layer of the winding conductor 22;
the analog communication line 3 comprises an analog communication diversion ground wire 32 and a plurality of analog communication core wires 31, wherein the outer layers of the analog communication core wires 31 and the analog communication diversion ground wire 32 are sequentially coated with an analog communication single-sided conductive aluminum foil 33 and an analog communication insulating layer 34 which can only conduct electricity inwards; the analog communication diversion ground wire 32 and the analog communication single-sided conductive aluminum foil 33 form an electrostatic discharge channel;
the digital communication twisted pair 4 comprises two twisted pair groups and a digital communication insulating layer 44 coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire 41, a digital communication diversion ground wire 42 and a digital communication single-sided conductive aluminum foil 43 which can only conduct inwards, and the digital communication single-sided conductive aluminum foil 43 is coated on the outer layers of the twisted pair core wire 41 and the digital communication diversion ground wire 42; the digital communication diversion ground wire 42 and the digital communication single-sided conductive aluminum foil 43 form an electrostatic discharge channel;
the middle main line 1 comprises 2 power core wires 11, a plurality of analog communication core wires 12, an analog communication diversion ground wire 13 and two twisted pair groups, wherein the power core wires 11, the analog communication diversion ground wire 13 and the two twisted pair groups comprise a twisted pair core wire 14, a digital communication diversion ground wire 15 and a digital communication single-sided conductive aluminum foil 16 which can only conduct inwards, the digital communication single-sided conductive aluminum foil 16 is coated on the outer layers of the twisted pair core wires 14 and the digital communication diversion ground wire 15, and the outer layers of the analog communication core wires 12 and the analog communication diversion ground wire 13 are coated with an analog communication single-sided conductive aluminum foil 17 which can only conduct inwards; the outer part of the inner layer of the middle main line 1 is sequentially coated with a main line single-sided conductive aluminum foil 18 and a main line insulating layer 19 which can only conduct inwards;
B. the winding conductor 22 of the power supply line 2 is arranged into two parts, wherein one part is twisted into a strand and sleeved with a black heat shrink tube to be used as a power core wire V-, and the other part is twisted into a wire to be used as a diversion ground wire GND;
C. the end parts of each core wire of the middle main wire 1 and the connector wire group are respectively inserted into a welding jig and welded with a connecting circuit board 51 placed in the welding jig, and the rest groups of diversion ground wires are folded back for standby after being tidied;
D. injecting plastic raw materials into the welding jig for integral injection molding to form an inner mold 52 which covers the connecting circuit board 51 and the end parts of the core wires, wherein each group of guide ground wires is exposed outside the inner mold 52;
E. at least one layer of 0.12mm thick diversion copper foil 53 is completely coated on the outer layer of the inner die 52, and each group of diversion ground wires is welded on the diversion copper foil 53 in a near way
F. An outer layer of the diversion copper foil 53 is formed into a layer of outer mold 54 by an integral injection molding mode.
Two ends of the middle main line 1 are respectively connected with a group of connector line groups. The inner mold 52 is a PE material and the outer mold 54 is a PVC material. The power supply line 2 is connected with a power connector 6, the analog communication line 3 is connected with an analog communication connector 7, and the digital communication twisted pair line 4 is connected with a digital communication connector 8.
The invention adopts a diversion mode of single-sided conductive aluminum foil and diversion ground wire, can carry out integral static prevention on each discrete wire of the combined data wire, sets diversion connection nodes on each diversion connection part inner die of the combined data wire on the premise of ensuring respective transmission function, carries out diversion copper foil wrapping treatment and diversion ground wire ring welding treatment on the inner die, then carries out grounding treatment with a power supply ground through a proper position such as the inside of the diversion connection part, finally achieves the purpose of placing static electricity into the ground, effectively prevents static electricity from damaging equipment and systems, not only achieves the effect of static electricity protection, but also does not influence the mechanical property of the spring wire, and has stronger cost economy. Under the condition that the combined data line is also contacted with high-voltage static electricity, all connector plugs are kept at low potential, so that equipment and system safety are ensured.
According to the invention, each discrete wire antistatic layer is directly connected into GND through the respective diversion ground wire and the power supply wire, and when all the external contact high-voltage static electricity which can be contacted with the combined data wire is generated, the induced static electricity is discharged to the power supply ground through the antistatic layer and the diversion ground wire, so that static electricity damage is effectively prevented, and the antistatic reaches more than 8 KV. The invention can effectively prevent the data transmission errors and the system or equipment damage caused by static electricity in the use process of the combined data line for the POS machine and the like. Therefore, the invention is suitable for the static protection of the combined data transmission line used by network communication equipment and the like, has the characteristics of reasonable structure, strong cost economy and strong practicability, and can be widely used in the connector industry.
It is understood that the foregoing description is only of the preferred embodiments of the invention, and that the invention is not limited to the specific details of construction, features and principles disclosed herein.
Claims (9)
- The POS machine combination data line antistatic structure comprises a middle main line, two connector line groups respectively connected to two ends of the middle main line, wherein each connector line group comprises a power supply line, an analog communication line and a digital communication twisted pair, and is characterized in that:the power supply line comprises a power core wire, a winding conductor wound on the outer layer of the power core wire and a power insulation layer coated on the outer layer of the winding conductor;the analog communication line comprises an analog communication diversion ground wire and a plurality of analog communication core wires, wherein the outer layers of the analog communication core wires and the analog communication diversion ground wire are sequentially coated with an analog communication single-sided conductive aluminum foil and an analog communication insulating layer which can only conduct electricity inwards;the digital communication twisted pair comprises two twisted pair groups and a digital communication insulating layer coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct inwards, and the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair core wire and the digital communication diversion ground wire;the middle main line comprises 2 power core wires forming an inner layer, a plurality of analog communication core wires, an analog communication diversion ground wire and two twisted pair wire groups, wherein each twisted pair wire group comprises a twisted pair wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct electricity inwards, the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair wire and the digital communication diversion ground wire, and the outer layers of the plurality of analog communication core wires and the analog communication diversion ground wire are coated with the analog communication single-sided conductive aluminum foil which can only conduct electricity inwards; the outer part of the inner layer of the middle main line is sequentially coated with a single-sided conductive aluminum foil of the main line, which can only conduct electricity inwards, and a main line insulating layer;the method comprises the steps that a plurality of analog communication core wires of an analog communication wire are correspondingly connected and communicated with a plurality of analog communication core wires of an intermediate main wire respectively, two groups of twisted pair core wires of a digital communication twisted pair wire are correspondingly connected and communicated with two groups of twisted pair core wires of the intermediate main wire respectively, a power core wire of a power supply wire is correspondingly connected and communicated with one power core wire of the intermediate main wire, a winding conductor of the power supply wire is correspondingly connected and communicated with the other power core wire of the intermediate main wire, and a connector wire group, a digital communication diversion ground wire and an analog communication diversion ground wire in the intermediate main wire are respectively connected and communicated with the winding conductor of the power supply wire;the connector wire group and the middle main line are connected with each other, the position of the connector wire group, which is connected with the middle main line, forms a diversion connecting part, the diversion connecting part sequentially comprises a connecting circuit board, an inner die, a diversion copper foil and an outer die from inside to outside, each group of analog communication core wires, twisted pair core wires, a power core wire and a part of winding conductors are respectively welded with the connecting circuit board, and each group of digital communication diversion ground wires, analog communication diversion ground wires and part of winding conductors in the connector wire group and the middle main line respectively penetrate out of the inner die and are welded on the diversion copper foil.
- 2. The POS combination data line antistatic structure of claim 1, wherein: the inner mold is made of PE material, and the outer mold is made of PVC material.
- 3. The POS combination data line antistatic structure of claim 1, wherein: the middle main line is of a spiral spring line structure.
- 4. A POS group combination data line antistatic structure according to any one of claims 1-3, characterized in that: the power supply line is connected with the power connector, the analog communication line is connected with the analog communication connector, and the digital communication twisted pair is connected with the digital communication connector.
- The POS machine combination data line antistatic treatment method is characterized by comprising the following steps:A. providing an intermediate main line and a connector line group, wherein the connector line group comprises a power supply line, an analog communication line and a digital communication twisted pair;the power supply line comprises a power core wire, a winding conductor wound on the outer layer of the power core wire and a power insulation layer coated on the outer layer of the winding conductor;the analog communication line comprises an analog communication diversion ground wire and a plurality of analog communication core wires, wherein the outer layers of the analog communication core wires and the analog communication diversion ground wire are sequentially coated with an analog communication single-sided conductive aluminum foil and an analog communication insulating layer which can only conduct electricity inwards;the digital communication twisted pair comprises two twisted pair groups and a digital communication insulating layer coated on the outer layers of the two twisted pair groups, wherein the twisted pair groups comprise a twisted pair core wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct electricity inwards, and the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair core wire and the digital communication diversion ground wire;the middle main line comprises 2 power core wires forming an inner layer, a plurality of analog communication core wires, an analog communication diversion ground wire and two twisted pair wire groups, wherein each twisted pair wire group comprises a twisted pair wire, a digital communication diversion ground wire and a digital communication single-sided conductive aluminum foil which can only conduct inwards, the digital communication single-sided conductive aluminum foil is coated on the outer layers of the twisted pair wire and the digital communication diversion ground wire, and the outer layers of the plurality of analog communication core wires and the analog communication diversion ground wire are coated with the analog communication single-sided conductive aluminum foil which can only conduct inwards; the outer part of the inner layer of the middle main line is sequentially coated with a single-sided conductive aluminum foil of the main line, which can only conduct electricity inwards, and a main line insulating layer;B. the winding conductor of the power supply line is arranged into two parts, wherein one part is twisted into a strand and sleeved with a black heat shrink tube to be used as a power core line V-, and the other part is twisted into a line to be used as a diversion ground line GND;C. the end parts of each core wire of the middle main wire and the connector wire group are respectively inserted into a welding jig and welded with a connecting circuit board arranged in the welding jig, and the rest groups of diversion ground wires are folded back for standby after being tidied;D. injecting plastic raw materials into the welding jig for integral injection molding to form an inner mold for coating and connecting the circuit board and the end parts of each core wire, wherein each group of guide ground wires is exposed outside the inner mold;E. at least one layer of diversion copper foil is completely coated on the outer layer of the internal mold, and each group of diversion ground wires is welded on the diversion copper foil nearbyF. And forming a layer of outer mold on the outer layer of the diversion copper foil in an integral injection molding mode.
- 6. The POS combination data line antistatic treatment method of claim 5, wherein: and two ends of the middle main line are respectively connected with a group of connector line groups.
- 7. The POS combination data line antistatic treatment method of claim 5, wherein: the inner mold is made of PE material, and the outer mold is made of PVC material.
- 8. The POS combination data line antistatic treatment method of claim 5, wherein: the middle main line is of a spiral spring line structure.
- 9. The POS combination data line antistatic treatment method according to any one of claims 5 to 8, characterized in that: the power supply line is connected with the power connector, the analog communication line is connected with the analog communication connector, and the digital communication twisted pair is connected with the digital communication connector.
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| CN107885302A (en) * | 2017-11-03 | 2018-04-06 | 郑州云海信息技术有限公司 | A kind of structure for reducing fan board input voltage fluctuation |
| CN108123407A (en) * | 2018-01-24 | 2018-06-05 | 深圳市斯派克光电科技有限公司 | A kind of manufacturing method of multi-path waterproof junction box and products thereof |
| CN111210943A (en) * | 2018-11-22 | 2020-05-29 | 北京小米移动软件有限公司 | Wire and USB cable |
| CN113015319A (en) * | 2021-03-04 | 2021-06-22 | 重庆惠科金渝光电科技有限公司 | Anti-static structure and connecting structure |
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