CN104917015B - A kind of normalized intelligent domestic meter communication circuit - Google Patents
A kind of normalized intelligent domestic meter communication circuit Download PDFInfo
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- CN104917015B CN104917015B CN201510251806.2A CN201510251806A CN104917015B CN 104917015 B CN104917015 B CN 104917015B CN 201510251806 A CN201510251806 A CN 201510251806A CN 104917015 B CN104917015 B CN 104917015B
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- coaxial cable
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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
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Abstract
The invention provides a kind of normalized intelligent domestic meter communication circuit, it has a coaxial cable bus, using the method for puncturing electric extraction of the coaxial cable insulated layer by the cored wire of coaxial cable and screen layer, realize that telecommunication circuit does not block the purpose of bus, branched line is realized using coaxial cable connector.The coaxial cable connector includes housing, coaxial cable import, outlet and load socket are opened up on housing, coaxial cable groove is opened up in housing, coaxial cable groove is communicated with electric guide blade mounting groove or electric guiding pricker mounting groove, and electric guide blade mounting groove or electrically guiding pricker mounting groove are interior to be installed electric guide blade or electrically guide pricker.When the length of the coaxial cable bus of communication line needs extension, the extension for completing coaxial cable is connected with coaxial socket using coaxial plug.This invention ensures that high construction quality, the fault rate of secure communication is zero, and its maintenance capacity is greatly reduced, realizes standardized construction.
Description
Technical field
The present invention relates to intelligent domestic meter communication, is a kind of normalized intelligent domestic meter communication circuit.
Background technology
Intelligence instrument is by gradual extensive use at present, but does not have any standard, each unit in charge of construction in communication engineering construction
Constructed according to oneself traditional construction method, the deficiency of this method is：Communication construction is complicated, communication line many places as needed
Need to reconnect after blocking, tedious process, easily influence the reliability of intelligence instrument communication, communication construction speed is slow, and communicate matter
Amount is relatively difficult to ensure that the waterproof of card, particularly coaxial cable, protection against the tide, anticorrosive property are relatively difficult to ensure and demonstrate,proved etc..Current all domestic intelligent instrument
Communication construction is not sought unity of standard, because the communication construction of existing intelligence instrument has above-mentioned deficiency, causes to have installed at present
Intelligent domestic instrument can not realize normal meter reading, have a strong impact on the normal use of intelligent domestic instrument.
The content of the invention
It is an object of the present invention to provide a kind of normalized intelligent domestic meter communication circuit, to solve prior art
The problem of existing.
The present invention to achieve the above object, is achieved through the following technical solutions：A kind of normalized intelligent domestic instrument is led to
Believe circuit, it has a coaxial cable bus, using puncturing coaxial cable insulated layer by the cored wire of coaxial cable and screen layer
The method electrically drawn, realize that telecommunication circuit does not block the purpose of bus, branched line is realized using coaxial cable connector.
The structure of described coaxial cable connector is：Including housing, coaxial cable import, outlet are opened up on housing and is born
Socket is carried, coaxial cable groove, coaxial cable groove and at least one electrically guide blade mounting groove or electrically guiding are opened up in housing
Pricker mounting groove communicates, and coaxial cable groove communicates with electrically guiding needle tray simultaneously, electric guide blade mounting groove or electrically guiding
Electric guide blade is installed in pricker mounting groove or electrically guides pricker, electrically guides the electric guid needle of installation, housing in needle tray
Interior mounting circuit boards, electric guide blade or electric guiding pricker and electric guid needle are connected with circuit board respectively.Housing is by upper
Lid, gland and middle casing composition, middle casing front set cable block, and the length direction of cable block sets deep-slotted chip breaker, cable
Seat surrounding sets first annular seal groove, and the first sealing ring is installed in first annular seal groove, the first guiding is set on cable block
Blade installation slot and the second guide blade mounting groove, guiding needle tray, the back side installation circuit of middle casing are set on middle casing
Plate.The length direction of gland sets the second deep-slotted chip breaker, and the second annular seal groove is opened up on gland, is installed in the second annular seal groove
Second O-ring seal, the 3rd deep-slotted chip breaker is set in the second O-ring seal.Described electric guide blade includes cutter hub, cutter hub
On open up the first groove, the first groove two sides extend upwardly to top and respective outside inclined-plane and form pointed, the first groove
The top of side is the first point of a knife, the first groove opposite side top and the point of the second inclined-plane composition with the pointed of the first inclined-plane composition
Shape is the second point of a knife, and the bottom of cutter hub sets electrically guiding handle.It has a needle body to the electrically guid needle, and one end of needle body is
Syringe needle with cone, the medium position of needle body set first annular groove, install the first insulating barrier in first annular groove, needle body is close
The position of syringe needle sets the second annular groove, the second insulating barrier of installation in the second annular groove, the first insulating barrier and the second insulating barrier it
Between conducting ring is set, the external diameter of the external diameter of conducting ring, the external diameter of the first insulating barrier and the second insulating barrier is equal, the first insulating barrier
The distance on one end and the top of needle body is L1.When the length of the coaxial cable bus needs extension, using coaxial plug and together
Socket axis connects.
A kind of coaxial plug of described normalized intelligent domestic meter communication circuit includes pedestal, base internal wall top
Coordinate with outer tube, outer tube internal upper part installation insulated column core, insulated column in-core installation coaxial cable is pierced into pin, and coaxial cable is pierced into pin
Needle handle and syringe needle be located at the outside of insulated column core, base internal wall bottom installation waterproof ring support, the installation of waterproof ring rack inner wall
Sealing ring, base outer wall bottom install waterproof fastener tube, coaxial cable shield net bail wire are installed on insulated column core；Inserted with coaxial
The coaxial socket that head is used cooperatively includes metal connecting tube, and dielectric cylinder, dielectric cylinder middle part are installed in metal connecting tube
Mounting hole is opened up, metal needle is installed in mounting hole, one end of metal needle is located in metal connecting tube, and the other end of metal needle is located at
The outer end of metal connecting tube, the external wall of upper portion of dielectric cylinder sets at least two symmetrical fixing grooves, outside fixing groove bottom
Side sets pawl, and with opening up pawl groove at pawl cooperation, pawl is located in pawl groove metal connecting tube, metal connecting tube and insulation
Anticreep round platform is set at cylinder bottom cooperation.Groove is opened up on insulated column core on the coaxial socket head, is set on the outside of groove
Anticreep pawl is put, with opening up anticreep groove on the outer tube wall of anticreep pawl binding site, anticreep pawl is located in anticreep groove.In insulated column core
Portion opens up through hole, and metal guide pin bushing is installed in through hole, and installation coaxial cable is pierced into pin in metal guide pin bushing, and coaxial cable is pierced into the pin of pin
Head is located at the outside of insulated column core.Setting hexagonal retainer ring, hexagonal are solid in the middle part of metal connecting tube outer wall on the coaxial socket
The metal connecting tube outer wall top for determining ring opens up the first neck, the first O-ring seal of installation in the first neck, under hexagonal retainer ring
The metal connecting tube outer wall in portion opens up the second neck, and the second O-ring seal is installed in the second neck.
The present invention makes the communication construction of intelligent domestic instrument turn into standardized construction.Bus is done with a coaxial cable, respectively
Branched line is in the case where not cutting off coaxial cable, using coaxial cable connector by the cored wire and screen layer of coaxial cable
Electric extraction, realize that a coaxial cable completes the communication of intelligence instrument in the case where not cutting off, when coaxial cable bus
Length can be connected when inadequate using coaxial plug with coaxial socket, and coaxial plug and coaxial socket are also used for the end of coaxial cable
Head, such as be connected with the collecting and copying device of intelligence instrument.Normalized intelligent domestic meter communication circuit of the present invention, it is special
In the communication of intelligence instrument, it is only necessary to which a complete coaxial cable can complete the communication of intelligence instrument, ensure that coaxial
The various performances such as cable protection against the tide, rain-proof, anticorrosion and protecting against shock are not destroyed, and the reliability of communication has been reached high level,
Without cable loss.Coaxial cable connector of the present invention only needs grafting in the construction of each branched line, and makes each
Degree of being connected firmly is good, construction is simple, and speed of application is fast, installs the communication of intelligence instrument and reaches standardization, installation, construction reference
It is controllable, the communication construction quality of whole intelligence instrument has been reached higher level.Normalized intelligent domestic of the present invention
The cascade that the coaxial plug and coaxial socket used in meter communication circuit realizes coaxial cable extends, and ensure that high apply
Working medium amount, the fault rate of secure communication is zero, realizes closed state when coaxial cable is connected with intelligence instrument collecting and copying device,
Its maintenance capacity is greatly reduced, realizes standardized construction.
Brief description of the drawings
Accompanying drawing 1 is normalized intelligent domestic meter communication line construction schematic diagram of the present invention, tail shown in figure
End adaptation is a kind of known plug, and the part touched in coaxial socket with air is closed, prevents the portion in coaxial socket
Part produces corrosion and damage；Accompanying drawing 2 is the structural representation of coaxial cable coaxial connector of the present invention；Accompanying drawing 3 is A- in accompanying drawing 2
A cross section structure diagrams；Accompanying drawing 4 is B-B cross section structure diagrams in accompanying drawing 2；Accompanying drawing 5 is that C-C sectional structures are illustrated in accompanying drawing 4
Figure；Accompanying drawing 6 is D-D cross section structure diagrams in accompanying drawing 4；Accompanying drawing 7 is coaxial cable coaxial connector stereogram of the present invention；Accompanying drawing
8 be the structural representation of electric guid needle in accompanying drawing 3；Accompanying drawing 9 is A-A cross section structure diagrams in accompanying drawing 8；Accompanying drawing 10 is accompanying drawing
The structural representation of electric guiding knife in 3；Accompanying drawing 11 is the structural representation of coaxial plug of the present invention；Accompanying drawing 12 is in accompanying drawing 11
A-A cross section structure diagrams；Accompanying drawing 13 is the structural representation of the standard coaxial cable gauze screen bail wire 65 of accompanying drawing 11, the bail wire
Upper uniform four strip grooves, bottom outer wall set the conical surface 95；Accompanying drawing 14 is the overlooking the structure diagram of accompanying drawing 13；Accompanying drawing 15 is
The structural representation of waterproof ring support 59 in accompanying drawing 11,70 be spin-ended projection in figure, and 71 be sealing bayonet socket, and 72 be that rotation clamps
Head, 73 be that rotation is cracked；Accompanying drawing 16 is the overlooking the structure diagram of accompanying drawing 15, and rotation shown in figure cracks 73 relative to level side
To inclined；Accompanying drawing 17 is the structural representation of metal guide pin bushing 66 in accompanying drawing 11, opened up on metal guide pin bushing 66 two it is symmetrical
Groove；Accompanying drawing 18 is the overlooking the structure diagram of accompanying drawing 17；Accompanying drawing 19 is the structural representation that metal is pierced into pin 67 in accompanying drawing 11
Scheme, 76 be needle stand in figure, and 77 be shank, and 78 be syringe needle, and 79 be chamfering；Accompanying drawing 20 is I portions mplifying structure schematic diagram in accompanying drawing 12；
Accompanying drawing 21 is the structural representation for the coaxial socket being used cooperatively with coaxial plug；Accompanying drawing 22 is the plan structure signal of accompanying drawing 21
Figure；Accompanying drawing 23 is B-B cross section structure diagrams in accompanying drawing 21；Accompanying drawing 24 is that coaxial plug and coaxial socket of the present invention are used cooperatively
When use state figure, 60 be coaxial cable in figure, and 74 be the endless groove on insulated column core 61, installation coaxial cable in endless groove
Gauze screen bail wire 65.
Embodiment
A kind of normalized intelligent domestic meter communication circuit of the present invention, it has a coaxial cable bus, using thorn
The method of the electric extraction of the cored wire of coaxial cable and screen layer is realized that telecommunication circuit is not blocked always by broken coaxial cable insulated layer
The purpose of line, branched line are realized using coaxial cable connector.
The structure of the coaxial cable connector is：Including housing, coaxial cable import, outlet and load are opened up on housing
Socket, coaxial cable groove is opened up in housing, and coaxial cable groove pierces with least one electrically guide blade mounting groove or electrically guiding
Pin mounting groove communicates, and coaxial cable groove communicates with electrically guiding needle tray simultaneously, electric guide blade mounting groove or electrically guiding thorn
Electric guide blade is installed in pin mounting groove or electrically guides pricker, electrically the electric guid needle of installation in guiding needle tray, in housing
Mounting circuit boards, electric guide blade or electric guiding pricker and electric guid needle are connected with circuit board respectively.The present invention is above-mentioned
Structure can make electrically electrically to draw the cored wire in coaxial cable with screen layer during intelligence instrument communication construction, by loading socket
It is connected with other electrical equipment, realizes that an overall coaxial cable completes intelligence instrument communication.Electrically guiding needle-penetration coaxial cable, and
It is fixed in coaxial cable, the conducting ring on electric guid needle draws the core pneumoelectric gas of coaxial cable, and is connected to circuit board
Circuit on, electric guide blade or electrically guiding pricker the outer protective layer of coaxial cable is punctured into the screen with coaxial cable afterwards
Cover layer to touch, and be fixed in coaxial cable, the electric extraction of screen layer is connected on the circuit of circuit board, complete Intelligent Instrument
The Control on Communication of table.
Housing has a multiple choices structure in coaxial cable connector of the present invention, housing be pass through for coaxial cable it is rear
The cored wire of coaxial cable and screen layer are electrically drawn into the connection with circuit board, preferable structure is：Housing by upper lid 2,
Gland 3 and middle casing 1 form, and the front of middle casing 1 sets cable block, and the length direction of cable block sets deep-slotted chip breaker, cable
Seat surrounding sets first annular seal groove 15, and the first sealing ring 5 is installed in first annular seal groove 15, first is set on cable block
The guide blade mounting groove 29 of guide blade mounting groove 11 and second, guiding needle tray 26, the back of the body of middle casing are set on middle casing 1
Face mounting circuit boards 32.Said structure provided by the invention is easy to manufacture, is easily installed, it is easy to accomplish to the close of coaxial cable
Envelope, is divided into two parts, four parts or more by housing, can realize the function that inventive shell is carried.
The further scheme that coaxial cable connector of the present invention provides is：Installation metal is led in the guiding needle tray 26
Set 27, one end of metal guide pin bushing 27 is outside guiding needle tray 26, the one end and circuit of metal guide pin bushing 27 outside guiding needle tray 26
Plate 32 connects, and the electric guid needle of installation, the metal needle body region of electric guid needle connect with metal guide pin bushing 27 in metal guide pin bushing 27
Touch.This is the preferable scheme that electrically guid needle is connected with circuit board, is easy to the socket of the present invention and makes in communication construction electrically
Guid needle quick penetration coaxial cable, and by the electric export of metal core wire.
Coaxial cable connector of the present invention is needed in communication construction by electric guid needle, electric guide blade or electricity
Conductance is drawn pricker and is pierced into coaxial cable, it is therefore desirable to housing is had preferable sealing structure, while and can is in communication construction
Quick penetration coaxial cable, there is provided further scheme be：Groove 40 is opened up on upper lid 2, push rod 16, push rod are installed in groove 40
16 bottoms open up stopper slot 17, and upper lid 2 is engaged with middle casing 1.In communication construction, stopper slot 17 can be with electric guid needle
Top surface touches.
The length direction of gland 3 is set the second deep-slotted chip breaker 19 by coaxial cable connector of the present invention, is opened up on gland 3
Second annular seal groove 14, the second O-ring seal 6 of installation in the second annular seal groove 14, set in the second O-ring seal 6
3rd deep-slotted chip breaker 21, it realizes the sealing of the coaxial cable in housing.
The effect of coaxial cable connector of the present invention is by the screen layer and the electricity of metal core wire in coaxial cable
Gas is drawn, and will electrically pass through circuit realiration intelligent control.The present invention electrically draws the screen layer in coaxial cable, can use
Electric guide blade electrically guides pricker, and coaxial cable external insulation layer can be punctured by electrically guiding pricker, makes electrically guiding thorn
The metal conduction portions of pin are touched with coaxial cable shielding layer, and the outer end metal handle for electrically guiding pricker is connected with circuit board, or
The outer end metal handle that person electrically guides pricker is connected with metal guide pin bushing, and metal guide pin bushing is arranged in housing, metal guide pin bushing and circuit
Plate connection will electrically be drawn.It is insulation that electrically guiding pricker touches part with coaxial cable external insulation layer.The present invention is in order to protect
The reliability electrically drawn of card coaxial cable shielding layer, can be set in coaxial connector two electric guide blade mounting grooves or
Electrically guiding pricker mounting groove, installs two electric guiding knifes or electrically guides pricker respectively in the groove.It is of the present invention
The preferred structure for the electric guide blade installed in coaxial connector is：Described electric guide blade includes cutter hub 44, cutter hub
The first groove 47 is opened up on 44, the two sides of the first groove 47 extend upwardly to top and respective outside inclined-plane composition is pointed, the
The top of the side of one groove 47 and the first inclined-plane 48 form it is pointed be the first point of a knife 49, with the at the top of the opposite side of the first groove 47
The pointed of two inclined-planes 51 composition is the second point of a knife 50, and the bottom of cutter hub 44 sets electric guide shank.Structure energy of the present invention
It is enough the screen layer of coaxial cable to be clamped in the first groove 47 while the insulating barrier of coaxial outer is punctured, make the
The two sides of one groove 47 contact with screen layer, will electrically draw, and will puncture coaxial cable insulated layer and clamping coaxial cable screen
The completion of the step of layer one is covered, i.e.,：Coaxial cable is pushed into the first groove 47 from sharp place, point of a knife punctures the insulating barrier of coaxial cable
Afterwards, the two sides of the first groove 47 are clamped together with screen layer respectively, and electric guide shank is connected with the circuit of communication board 32,
Realize the purpose that coaxial cable is not cut off in communication construction.
The further scheme that coaxial cable connector of the present invention provides is：The two sides of first groove 47 it is upper
Portion is faced directly, and two lower ends faced directly are connected with respective outer inclined-plane upper end respectively, and two of the first groove 47 face it directly
Between distance L2The distance between more than two outer inclined-planes L3.Two of first groove 47 the distance between face L directly2Less than coaxial
The external diameter of cable, the external diameter more than coaxial cable shielding layer.It is applied to various models coaxial cable, its specific size according to
Cable model determines, clamps screen layer while ensureing and puncturing coaxial cable insulated layer, does not destroy screen layer.
In order to further clamp coaxial cable shielding layer, there is provided scheme be that the bottom surface of first groove 47 is plane,
The two sides of first groove 47 are respectively inclined-plane.The inclined-plane can also be stepped ramp.
The further scheme of coaxial cable connector of the present invention is：The top both sides of cutter hub 44 set first flat respectively
The platform 56 of platform 55 and second, the first platform 55 is inner to be connected with the low side on the first inclined-plane 48, the top and first on the first inclined-plane 48
The one side top composition of groove 47 is pointed, and the second platform 55 is inner to be connected with the low side on the second inclined-plane 51, and the second inclined-plane 51 pushes up
Hold pointed with the another side top of the first groove 47 composition.This scheme can be such that electric guide blade is conveniently installed at coaxially
In connector, and realize preferably fixed.
Coaxial cable connector of the present invention can electrically draw to be further ensured that electrically derived reliability by described
It is two to lead handle, and the second groove 54 is set between the first electric 52 and second electric guide shank 53 of guide shank.The electrically guiding
Handle can also set one, and an electric guide shank can also be completed to be electrically connected well；Set two electric guide shanks can be with
Ensure symmetry, structure is more stablized.Second groove 54 is easily installed the electric guide blade of the present invention, makes electric guiding knife
Piece is connected with fixed mount, is connected firmly.
The preferred structure for the electric guid needle installed in coaxial cable connector of the present invention is：Electric guid needle it have
One needle body 8, one end of needle body 8 is the syringe needle 25 with cone, and the medium position of needle body 8 sets first annular groove 45, the first ring
The first insulating barrier 22 of installation in shape groove 3, needle body 8 is in the second annular groove 46 of the position of syringe needle 25 setting, the second annular groove 46
Second insulating barrier 24 is installed, conducting ring 23, the external diameter of conducting ring 23, the are set between first insulating barrier 22 and the second insulating barrier 24
The external diameter of the external diameter of one insulating barrier 22 and the second insulating barrier 24 is equal, one end of the first insulating barrier 22 and the top of needle body 8 away from
From for L1。
In order to be further ensured that conducting ring 23 and coaxial cable core wire fully touch, make the first insulating barrier 22 away from conducting ring
The distance between 23 one end and second one end of insulating barrier 24 away from conducting ring 23 L are more than the external diameter of coaxial cable.
The external diameter of the conducting ring 23 of the electric guid needle of coaxial cable connector of the present invention is equal to the core of coaxial cable
During linear diameter, when the external diameter of the conducting ring 23 of the present invention is designed as equal with the external diameter of needle body 8, while the first insulating barrier 21,
The external diameter of second insulating barrier 24 is identical with the external diameter of needle body 8, would not so be scraped during coaxial cable is pierced into
Phenomenon, the cored wire for extraction coaxial cable of being more convenient for is electrically and guarantee is accurate insulate, and can be further ensured that electric guid needle extraction
The electrical reliability of coaxial cable, and can touch the insulating barrier of the screen layer and electric guid needle of coaxial cable, further protect
The security demonstrate,proved the construction of intelligence instrument and used, and the service life of intelligence instrument communications facility can be extended.
In order to accelerate speed of application, when the external diameter of the conducting ring 23 of the present invention is designed as into equal with the external diameter of needle body 8, just
In making, being easy to construct, the needle body diameter of its thrust-type guide pin is equal, meanwhile, it is more convenient for drawing the electric of coaxial cable and protects
The accurate insulation of card.It is provided by the invention further scheme be：The external diameter of needle body 8 is equal with the external diameter of conducting ring 23, the second insulation
The outer wall of the entire length of layer 24 is coniform in gradual change, and coniform smaller diameter end connects with the larger diameter end of syringe needle 25, circular cone
Second insulating barrier 24 of shape is easy to make needle body 8 pass through coaxial cable, reduces the dynamics that electrically guiding is needled into coaxial cable.It is conductive
The length of ring 23 is located in the metal core wire among coaxial cable, and the first insulating barrier 22 and the second insulating barrier 24 are respectively from coaxial electrical
Extended in the middle part of cable to diametric(al) both sides on the outside of coaxial cable shielding layer.It is the length of conducting ring 23 described in the structure, first exhausted
The Design of length requirement of the insulating barrier 24 of edge layer 22 and second and the model of coaxial cable match, to ensure coaxial cable core wire
Electric extraction while, the screen layer of coaxial cable is touched with the first insulating barrier of thrust-type guide pin and the second insulating barrier,
Ensure its safe insulation.
In figure：The needle point of 47 guide pipe of load socket 9 hides the handle of a knife of hole 10 first blade support, 12 first blade 13 first
Lead in the handle of a knife hole 33 first of hole 18 first deep-slotted chip breaker 20,28 second blade support of the 4th deep-slotted chip breaker, 30 second blade 31 second
The lower cover sealing ring of the 5th 37 boss of the 6th cable trough of cable trough 36,38 push rod sealing ring of 34 second conductive head 35 of dateline 39
The fixing groove of 41 the 5th deep-slotted chip breaker, 42 first fixing groove 43 second.
Normalized one coaxial cable of intelligent domestic meter communication circuit generally use of the present invention can be completed
The communication of intelligent domestic instrument.When the length of the coaxial cable bus of communication line needs extension, prolonged by the way of cascade
It is long, at this moment coaxial plug can be used to connect the extension for completing coaxial cable with coaxial socket.Currently preferred coaxial plug
Scheme is：Including pedestal 57, the upper inside wall of pedestal 57 coordinates with outer tube 58, the internal upper part of outer tube 58 installation insulated column core 61, insulation
Installation coaxial cable is pierced into pin 67 in post core 61, and coaxial cable is pierced into the needle handle 75 of pin 67 and syringe needle 78 is located at insulated column core 61
Outside, the inner wall lower of pedestal 57 installation waterproof ring support 59, the inwall of waterproof ring support 59 installation sealing ring 68, the outer wall bottom of pedestal 57
Waterproof fastener tube 64 is installed in portion, and coaxial cable shield net bail wire 65 is installed on insulated column core 61.
Installation fastening screwed pipe 63 on the outer wall of outer tube 58 of coaxial plug of the present invention.
The further scheme of coaxial plug of the present invention is：Groove 81, the outside of groove 81 are opened up on insulated column core 61
Anticreep pawl 82 is set, and with opening up anticreep groove 80 on the inwall of outer tube 58 of the binding site of anticreep pawl 82, anticreep pawl 82 is located at anticreep groove
In 80.Said structure further increases the Anti-extrusion effect of insulated column core 61.
The further preferred scheme of coaxial plug of the present invention is：The middle part of insulated column core 61 opens up through hole 96, through hole
Installation metal guide pin bushing 66 in 96, the interior installation coaxial cable of metal guide pin bushing 66 are pierced into pin 67, and coaxial cable is pierced into the syringe needle position of pin 67
In the outside of insulated column core 61.This structure is easy to coaxial cable to be pierced into the electric and intelligence instrument collecting and copying device that pin 67 is drawn
Circuit connects, while has the advantages of being easy to make.
Match somebody with somebody with the inner wall lower of outer tube 58 the outer wall bottom of coaxial cable shield net bail wire 65 of coaxial plug of the present invention
Close, the outer wall bottom of coaxial cable shield net bail wire 65 sets the conical surface 95.It is easy to draw the electric of coaxial cable shield net, and together
Shi Peihe other structures realize the close contact with coaxial cable shield net.
Normalized one coaxial cable of intelligent domestic meter communication circuit generally use of the present invention can be completed
The communication of intelligent domestic instrument.When the length of the coaxial cable bus of communication line needs extension, prolonged by the way of cascade
It is long, at this moment coaxial plug can be used to connect the extension for completing coaxial cable with coaxial socket, currently preferred coaxial socket
Scheme is：Include metal connecting tube 83 with the coaxial socket that coaxial plug is used cooperatively, insulation circle is installed in metal connecting tube 83
Cylinder 85, the middle part of dielectric cylinder 85 open up mounting hole, install metal needle 89 in mounting hole, one end of metal needle 89 is located at metal
In connecting tube 83, the other end of metal needle 89 is located at the outer end of metal connecting tube 83, and the external wall of upper portion of dielectric cylinder 85 is set
At least two symmetrical fixing grooves 88, pawl 87 is set in the bottom outside of fixing groove 88, metal connecting tube 83 coordinates with pawl 87
Place opens up pawl groove 86, and pawl 87 is located in pawl groove 86, and metal connecting tube 83 at the bottom cooperation of dielectric cylinder 85 with setting
Anticreep round platform 94.Said structure realizes the quick connection with coaxial plug, and is realized coaxial electrical jointly with coaxial plug
The cored wire of cable is connected, respectively electrically and after the electric quick extraction of coaxial cable shield net with the circuit of intelligence instrument collecting and copying device
Part cooperation is compact, is connected firmly.
It has a needle body 8 to electric guid needle, and one end of needle body 8 is the syringe needle 25 with cone, and the medium position of needle body 8 is set
Put the chamber that the first annular coaxial cable of groove 45 is pierced into the shank 77 of pin 67 and syringe needle 78 is located at coaxial cable shield net bail wire 65
In vivo, hexagonal retainer ring 84 is set in the middle part of the outer wall of metal connecting tube 83 described in coaxial socket of the present invention, and hexagonal is fixed
The outer wall top of metal connecting tube 83 of ring 84 opens up the first neck 92, and the first O-ring seal 90, hexagonal are installed in the first neck 92
The metal connecting tube outer wall of the bottom of retainer ring 84 opens up the second neck 93, and the second O-ring seal 91 is installed in the second neck 93, on
State structure to be easy to closely be connected with fastening screwed pipe 63, and reach fabulous sealing effectiveness.
Metal needle 89 described in coaxial socket of the present invention is located at termination in metal connecting tube 83 to be hemispherical, and half
Spherical crown center opens up groove 97, and this structure can enable metal needle 63 have certain decrement inwards, ensures electric
The reliability of connection.
Fixing groove 88 described in coaxial socket of the present invention is four, is distributed on the outer wall of dielectric cylinder 85,
It is located in the same horizontal plane, this flexible structure is easily installed and while Anti-extrusion.
The vestibule of through hole 96 or metal guide pin bushing 66 in coaxial plug of the present invention is used for the metal with coaxial socket
Pin 89 coordinates, and preferable scheme is：Metal guide pin bushing 66 in coaxial plug coordinates with metal needle 89, and insulated column core 61 makes coaxial electrical
The cored wire of cable is electrically pierced into pin 67 with coaxial cable and insulated, and the outer wall of outer tube 58 and the inwall of metal connecting tube 83 of coaxial socket are matched somebody with somebody
Close, the upper inside wall of outer tube 58 coordinates with insulated column core 61, the outer wall of bottom and coaxial cable shield net bail wire 65 coordinates, together
In the top insertion insulated column core 61 of shaft cable gauze screen bail wire 65, coaxial cable is pierced into the shank 77 and 78, syringe needle of pin 67
In in the cavity of coaxial cable shield net bail wire 65, the shielding of the internal diameter and coaxial cable of coaxial cable shield net bail wire 65
Net wall external diameter is touched, and outer tube 58 makes for conductive material, and the metal connecting tube 83 of outer tube 58 and coaxial socket is touched, will electrically drawn
Go out and be connected afterwards with the circuit in the collecting and copying device of intelligence instrument.The cored wire of coaxial cable it is electric by coaxial cable pricker 67 and gold
Category pin 89 is drawn, and is connected with the circuit in the collecting and copying device of intelligence instrument.The coaxial cable screen of coaxial plug of the present invention
The bottom outer wall for covering net bail wire 65 sets the conical surface 95, the conical surface 95 and the strip groove on coaxial cable shield net bail wire 65
Centripetal extruding force is produced, coaxial cable shield net bail wire 65 is closely touched with coaxial cable shield net, ensures coaxial cable
The reliability of the electric extraction of gauze screen.Spin-ended breach is set on waterproof ring support 59 in coaxial plug of the present invention, only
Rotation breach is circular, and when waterproof ring support 59 is installed, spin-ended raised 70 on waterproof ring support 59 are caught in spin-ended breach, keep away
Exempt to produce the phenomenon that waterproof bracket 59 follows waterproof fastener tube 64 to rotate.The sealing ring 68 of the inner wall lower of waterproof ring support 59 installation
For closing coaxial cable outer wall, the inwall bottom of waterproof fastener tube 64 is arranged to inner conical surface 69, after being extruded sealing ring 68
The part that tighter closing touches with coaxial cable outer wall is formed, so as to prevent coaxial plug, each portion in coaxial socket
Part is corroded by water, acid etc..Present invention coaxial plug shown in the drawings, coaxial socket junction can also be used using threaded connection
The modes such as grafting connect.
Claims (4)
- A kind of 1. normalized intelligent domestic meter communication circuit, it is characterised in that：It has a coaxial cable bus, using thorn The method of the electric extraction of the cored wire of coaxial cable and screen layer is realized that telecommunication circuit is not blocked always by broken coaxial cable insulated layer The purpose of line, branched line realize that coaxial cable connector includes housing, and housing is by upper lid using coaxial cable connector（2）、 Gland（3）And middle casing（1）Composition, middle casing（1）Front sets cable block, and the length direction of cable block sets arc Groove, cable block surrounding set first annular seal groove（15）, first annular seal groove（15）The first sealing ring of interior installation（5）, electricity First guide blade mounting groove is set on cable seat（11）With the second guide blade mounting groove（29）, middle casing（1）It is upper that electricity is set Conductance draw pin groove（26）, the back side mounting circuit boards of middle casing（32）, gland（3）Length direction set the second deep-slotted chip breaker （19）, gland（3）On open up the second annular seal groove（14）, the second annular seal groove（14）The second O-ring seal of interior installation （6）, the second O-ring seal（6）The 3rd deep-slotted chip breaker of upper setting（21）, electric guide blade includes cutter hub（44）, cutter hub（44）On Open up the first groove（47）, the first groove（47）Two sides extend upwardly to top and respective outside inclined-plane composition is pointed, the One groove（47）The top of side and the first inclined-plane（48）The pointed of composition is the first point of a knife（49）, the first groove（47）Opposite side Top and the second inclined-plane（51）The pointed of composition is the second point of a knife（50）, cutter hub（44）Bottom set electrically guiding handle, electrically Guid needle it have a needle body（8）, needle body（8）One end be the syringe needle with cone（25）, needle body（8）Medium position set the One annular groove（45）, first annular groove（3）The first insulating barrier of interior installation（22）, needle body（8）Close to syringe needle（25）Position set Second annular groove（46）, the second annular groove（46）The second insulating barrier of interior installation（24）, the first insulating barrier（22）With the second insulating barrier （24）Between conducting ring is set（23）, conducting ring（23）External diameter, the first insulating barrier（22）External diameter and the second insulating barrier（24） External diameter it is equal, the first insulating barrier（22）One end and needle body（8）The distance on top be L1。
- A kind of 2. normalized intelligent domestic meter communication circuit according to claim 1, it is characterised in that：It is described coaxial When the length of cable bus needs extension, connected using coaxial plug with coaxial socket.
- A kind of 3. normalized intelligent domestic meter communication circuit according to claim 2, it is characterised in that：Coaxial plug Including pedestal（57）, pedestal（57）Upper inside wall and outer tube（58）Coordinate, outer tube（58）Internal upper part installs insulated column core（61）, absolutely Edge post core（61）Interior installation coaxial cable is pierced into pin（67）, coaxial cable piercing pin（67）Needle handle（75）And syringe needle（78）It is located at Insulated column core（61）Outside, pedestal（57）Inner wall lower installs waterproof ring support（59）, waterproof ring support（59）Inwall is installed Sealing ring（68）, pedestal（57）Outer wall bottom is installed by waterproof fastener tube（64）, insulated column core（61）Upper installation coaxial cable shield Net bail wire（65）；Include metal connecting tube with the coaxial socket that coaxial plug is used cooperatively（83）, metal connecting tube（83）It is interior Dielectric cylinder is installed（85）, dielectric cylinder（85）Middle part opens up mounting hole, and metal needle is installed in mounting hole（89）, metal needle （89）One end be located at metal connecting tube（83）It is interior, metal needle（89）The other end be located at metal connecting tube（83）Outer end, absolutely Edge cylinder（85）External wall of upper portion set at least two symmetrical fixing grooves（88）, in fixing groove（88）Bottom outside sets Tooth（87）, metal connecting tube（83）With pawl（87）Pawl groove is opened up at cooperation（86）, pawl（87）Positioned at pawl groove（86）It is interior, Metal connecting tube（83）With dielectric cylinder（85）Anticreep round platform is set at the cooperation of bottom（94）, the insulated column core on coaxial plug （61）On open up groove（81）, groove（81）Outside sets anticreep pawl（82）, with anticreep pawl（82）The outer tube of binding site（58） Anticreep groove is opened up on inwall（80）, anticreep pawl（82）Positioned at anticreep groove（80）It is interior；Insulated column core（61）Middle part opens up through hole（96）, Through hole（96）Interior installation metal guide pin bushing（66）, metal guide pin bushing（66）Interior installation coaxial cable is pierced into pin（67）, coaxial cable piercing Pin（67）Syringe needle be located at insulated column core（61）Outside.
- A kind of 4. normalized intelligent domestic meter communication circuit according to claim 3, it is characterised in that：It is described coaxial Metal connecting tube on socket（83）Hexagonal retainer ring is set in the middle part of outer wall（84）, hexagonal retainer ring（84）Metal connecting tube （83）Outer wall top opens up the first neck（92）, the first neck（92）The first O-ring seal of interior installation（90）, hexagonal retainer ring （84）The metal connecting tube outer wall of bottom opens up the second neck（93）, the second neck（93）The second O-ring seal of interior installation（91）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251806.2A CN104917015B (en) | 2015-03-09 | 2015-05-18 | A kind of normalized intelligent domestic meter communication circuit |
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|---|---|---|---|
| CN2015101019029 | 2015-03-09 | ||
| CN201510101902 | 2015-03-09 | ||
| CN201510251806.2A CN104917015B (en) | 2015-03-09 | 2015-05-18 | A kind of normalized intelligent domestic meter communication circuit |
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| Publication Number | Publication Date |
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| CN104917015A CN104917015A (en) | 2015-09-16 |
| CN104917015B true CN104917015B (en) | 2018-02-02 |
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| CN201510251806.2A Expired - Fee Related CN104917015B (en) | 2015-03-09 | 2015-05-18 | A kind of normalized intelligent domestic meter communication circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110504600A (en) * | 2019-08-27 | 2019-11-26 | 北京机械设备研究所 | A kind of generalization attachment device and connection method based on bus architecture |
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| US4365859A (en) * | 1980-08-22 | 1982-12-28 | Bunker Ramo Corporation | Coaxial tap connector |
| GB2245434A (en) * | 1990-06-22 | 1992-01-02 | Amphenol Ltd | Cable tapping connector. |
| FR2697681A3 (en) * | 1992-10-29 | 1994-05-06 | Bosch Gmbh Robert | Insulation displacement connector for low current coaxial cable - includes conductive pins forced through cable insulation, with insulation on certain parts of pins to prevent connection with screening layer |
| WO1995013500A1 (en) * | 1993-11-09 | 1995-05-18 | Societe Atlantique D'isolants Thermiques Expanses Chimiquement | Adjustable lighting support to be connected in multisheet conductor panels |
| JPH1174038A (en) * | 1997-06-17 | 1999-03-16 | Nakajima Tsushinki Kogyo Kk | Connector for coaxial cable |
| US6132236A (en) * | 1999-05-14 | 2000-10-17 | Methode Electronics, Inc. | Flex cable termination apparatus and termination method |
| CN1993864A (en) * | 2004-08-05 | 2007-07-04 | 3M创新有限公司 | Modular electrical connector and method of using |
| CN101414721A (en) * | 2008-11-26 | 2009-04-22 | 中国核动力研究设计院 | Coaxial conductor joint |
| CN202474331U (en) * | 2011-04-26 | 2012-10-03 | 3M创新有限公司 | Grounding module used for cable and grounding system used for cable |
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2015
- 2015-05-18 CN CN201510251806.2A patent/CN104917015B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365859A (en) * | 1980-08-22 | 1982-12-28 | Bunker Ramo Corporation | Coaxial tap connector |
| GB2245434A (en) * | 1990-06-22 | 1992-01-02 | Amphenol Ltd | Cable tapping connector. |
| FR2697681A3 (en) * | 1992-10-29 | 1994-05-06 | Bosch Gmbh Robert | Insulation displacement connector for low current coaxial cable - includes conductive pins forced through cable insulation, with insulation on certain parts of pins to prevent connection with screening layer |
| WO1995013500A1 (en) * | 1993-11-09 | 1995-05-18 | Societe Atlantique D'isolants Thermiques Expanses Chimiquement | Adjustable lighting support to be connected in multisheet conductor panels |
| JPH1174038A (en) * | 1997-06-17 | 1999-03-16 | Nakajima Tsushinki Kogyo Kk | Connector for coaxial cable |
| US6132236A (en) * | 1999-05-14 | 2000-10-17 | Methode Electronics, Inc. | Flex cable termination apparatus and termination method |
| CN1993864A (en) * | 2004-08-05 | 2007-07-04 | 3M创新有限公司 | Modular electrical connector and method of using |
| CN101414721A (en) * | 2008-11-26 | 2009-04-22 | 中国核动力研究设计院 | Coaxial conductor joint |
| CN202474331U (en) * | 2011-04-26 | 2012-10-03 | 3M创新有限公司 | Grounding module used for cable and grounding system used for cable |
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| Publication number | Publication date |
|---|---|
| CN104917015A (en) | 2015-09-16 |
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