CN209328584U - A kind of fire resisting high stability FF fieldbus - Google Patents
A kind of fire resisting high stability FF fieldbus Download PDFInfo
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- CN209328584U CN209328584U CN201821708807.0U CN201821708807U CN209328584U CN 209328584 U CN209328584 U CN 209328584U CN 201821708807 U CN201821708807 U CN 201821708807U CN 209328584 U CN209328584 U CN 209328584U
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- mica
- line
- fieldbus
- restrictive coating
- high stability
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Abstract
The utility model discloses a kind of fire resisting high stability FF fieldbus, including outermost restrictive coating, the first mica line and the second mica line are provided in restrictive coating, restrictive coating is low smoke and zero halogen sheath, with fire prevention and low pollution effect, aluminium foil layer is acted on for signal shielding, insulating layer is the crosslinked polyetylene insulated layer of PE, with good electrical insulating property, mica belt is formed by two layers of Mica tape, the lapping direction of two layers of mica tape is opposite, intelligence words tension force is carried out by the data acquisition of the variation to mica tep reel diameter, guarantee it is wrapped after it is uniform, it is smooth and stable, line chamber is provided between band and aluminium foil layer, several ground wires are provided in line chamber, therefore, the fieldbus of the utility model has protection flameproof effect well, environmental-protecting performance, it being capable of shielded signal, inner lead insulating properties is strong, simultaneously also Outstanding oil resistant and UV resistant function.
Description
Technical field
The utility model relates to fire resisting FF fieldbus field, specially a kind of fire resisting high stability FF fieldbus.
Background technique
Foundation fieldbus (Fieldbus Foundation) is designed for process automation, is to pass through
Digital, serial, two-way communication means connects field device.The not simple number 4-20mA signal of FF communication,
Using complicated communication protocol, it can connect the M locale intelligent device that can execute simple closed loop algorithm (such as PID).One communication
Section can configure 32 field devices, and communication speed 31.25kbit/s, every section of maximum communication distance is 1900m.
According to requiring, existing FF fieldbus requires the cable and rock-steady structure structure of fireproof high-temperature resistant, mentions
The service life of high cable guarantees the stability and high efficiency of data transmitting.
Utility model content
The purpose of this utility model is to provide a kind of fire resisting high stability FF fieldbus, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of fire resisting high stability FF fieldbus, including bus ontology, the bus ontology include outermost sheath
Layer, the first mica line and the second mica line, the first mica line and the outer winding of the second mica line are provided in the restrictive coating
There is band, is provided with aluminium foil layer between the band and restrictive coating inner surface.
Preferably, it is provided with line chamber between the band and aluminium foil layer, several ground wires are provided in the line chamber.
Preferably, the first mica line and the second mica line are all made of identical wire rod structure, the wire rod structure packet
Several conducting wires for including mica belt and being arranged in mica belt, the mica belt are formed by two layers of Mica tape, and two layers
The lapping direction of mica tape is on the contrary, be coated with insulating layer outside the mica belt of the first mica line and the second mica line.
Preferably, the insulating layer is set as crosslinked polyetylene insulated layer.
Preferably, the conducting wire is the red copper that purity is greater than 99.98%.
Preferably, the restrictive coating is low smoke and zero halogen sheath.
Compared with prior art, the utility model has the beneficial effects that including bus ontology, bus ontology includes outermost layer
Restrictive coating, the first mica line and the second mica line are provided in restrictive coating, is arranged with outside the first mica line and the second mica line
Band is provided with aluminium foil layer between band and restrictive coating inner surface, restrictive coating is low smoke and zero halogen sheath, has fire prevention and low dirt
Dye effect, aluminium foil layer are acted on for signal shielding, and insulating layer is the crosslinked polyetylene insulated layer of PE, have good electrical insulating property,
First mica line and the second mica line are all made of identical wire rod structure, and the wire rod structure includes mica belt and is arranged in cloud
Several conducting wires in master tape layer, the mica belt are formed by two layers of Mica tape, the lapping direction of two layers of mica tape on the contrary,
Intelligence words tension force is carried out by the data acquisition of the variation to mica tep reel diameter, it is uniform after guarantee is wrapped, it is smooth and steady
It is fixed, it is provided with line chamber between band and aluminium foil layer, several ground wires are provided in line chamber, therefore, the fieldbus of the utility model
With good protection flameproof effect, environmental-protecting performance, can shielded signal, inner lead insulating properties is strong, while there are also outstanding resistance to
Oil and UV resistant function.
Detailed description of the invention
Fig. 1 is a kind of cross section structure schematic diagram of fire resisting high stability FF fieldbus.
In figure: 1- the first mica line, 2- restrictive coating, 3- aluminium foil layer, 4- band, 5- insulating layer, 6- the second mica line, 7- cloud
Master tape layer, 8- conducting wire, 9- line chamber, 10- ground wire, 11- bus ontology.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of fire resisting high stability FF fieldbus, including
Bus ontology 11, the bus ontology 11 include outermost restrictive coating 2, are provided with 1 He of the first mica line in the restrictive coating 2
Band 4, the band 4 and table in restrictive coating 2 are arranged with outside second mica line 6, the first mica line 1 and the second mica line 6
Aluminium foil layer 3 is provided between face.
It is provided with line chamber 9 between the band 4 and aluminium foil layer 3, several ground wires 10 are provided in the line chamber 9.
The first mica line 1 and the second mica line 6 are all made of identical wire rod structure, and the wire rod structure includes mica
Belt 7 and several conducting wires 8 being arranged in mica belt 7, the mica belt 7 are formed by two layers of Mica tape, two stratus
The lapping direction of master tape is on the contrary, be coated with insulating layer 5 outside the mica belt 7 of the first mica line 1 and the second mica line 6.
The insulating layer 5 is set as crosslinked polyetylene insulated layer.
The conducting wire 8 is the red copper that purity is greater than 99.98%.
The restrictive coating 2 is low smoke and zero halogen sheath.
The working principle of the utility model is: the utility model is a kind of fire resisting high stability FF fieldbus, including total
Line ontology 11, bus ontology 11 include outermost restrictive coating 2, are provided with the first mica line 1 and the second mica line in restrictive coating 2
6, the first mica line 1 and the second mica line 6 are arranged with band 4 outside, are provided with aluminium foil layer between 2 inner surface of band 4 and restrictive coating
3, restrictive coating 2 is low smoke and zero halogen sheath, has fire prevention and low pollution effect, and aluminium foil layer 3 is acted on for signal shielding, insulating layer
5 be the crosslinked polyetylene insulated layer of PE, has good electrical insulating property, and the first mica line 1 and the second mica line 6 are all made of identical
Wire rod structure, the wire rod structure include mica belt 7 and several conducting wires 8 for being arranged in mica belt 7, the mica belt
7 are formed by two layers of Mica tape, and the lapping direction of two layers of mica tape is on the contrary, the number for passing through the variation to 7 disk diameter of mica belt
It is uniform after guarantee is wrapped according to acquisition progress intelligence words tension force, it is smooth and stable, it is provided between band 4 and aluminium foil layer 3
Line chamber 9 is provided with several ground wires 10 in line chamber 9.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of fire resisting high stability FF fieldbus, including bus ontology (11), it is characterised in that: the bus ontology (11)
Including outermost restrictive coating (2), it is provided with the first mica line (1) and the second mica line (6) in the restrictive coating (2), it is described
It is arranged with band (4) outside first mica line (1) and the second mica line (6), between the band (4) and restrictive coating (2) inner surface
It is provided with aluminium foil layer (3).
2. a kind of fire resisting high stability FF fieldbus according to claim 1, it is characterised in that: the band (4) with
It is provided between aluminium foil layer (3) line chamber (9), is provided with several ground wires (10) in the line chamber (9).
3. a kind of fire resisting high stability FF fieldbus according to claim 1, it is characterised in that: the first mica line
(1) and the second mica line (6) is all made of identical wire rod structure, and the wire rod structure includes mica belt (7) and is arranged in cloud
Several conducting wires (8) in master tape layer (7), the mica belt (7) are formed by two layers of Mica tape, two layers mica tape it is wrapped
Contrary, the mica belt (7) of the first mica line (1) and the second mica line (6) is coated with insulating layer (5) outside.
4. a kind of fire resisting high stability FF fieldbus according to claim 3, it is characterised in that: the insulating layer (5)
It is set as crosslinked polyetylene insulated layer.
5. a kind of fire resisting high stability FF fieldbus according to claim 4, it is characterised in that: the conducting wire (8) is
Purity is greater than 99.98% red copper.
6. a kind of fire resisting high stability FF fieldbus according to claim 1, it is characterised in that: the restrictive coating (2)
For low smoke and zero halogen sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708807.0U CN209328584U (en) | 2018-10-22 | 2018-10-22 | A kind of fire resisting high stability FF fieldbus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821708807.0U CN209328584U (en) | 2018-10-22 | 2018-10-22 | A kind of fire resisting high stability FF fieldbus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328584U true CN209328584U (en) | 2019-08-30 |
Family
ID=67706656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821708807.0U Active CN209328584U (en) | 2018-10-22 | 2018-10-22 | A kind of fire resisting high stability FF fieldbus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328584U (en) |
-
2018
- 2018-10-22 CN CN201821708807.0U patent/CN209328584U/en active Active
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