阅读说明：本技术 一种智能化抗干扰低烟无卤阻燃可载荷监视型中压电缆 (A kind of anti-interference low-smoke non-halogen flame-retardant of intelligence can load monitoring type midium voltage cable ) 是由 李万松 于 2019-09-03 设计创作，主要内容包括：本发明公开了一种智能化抗干扰低烟无卤阻燃可载荷监视型中压电缆,包括外护套、钢丝载荷层、内护套和缆芯,所述缆芯的外侧挤包有内护套,内护套的外侧绕包有钢丝载荷层,且钢丝载荷层的外侧挤包有外护套；所述缆芯包括弹性填充物、固定支架、6根弹性导向带、3根动力线芯、3根监视线芯和光传输线芯。本发明通过在缆芯外侧依次包裹内护套、钢丝载荷层和外护套,以及缆芯内部设置的固定支架提高电缆的结构强度和弯曲性能,便于电缆在复杂的矿井中铺设使用,并有效将井下生产现场实时监控画面信息进行传输,提高电缆的荷载力,保证载荷的安全性,能有效在遇到火灾时阻止电缆燃烧,避免电缆燃烧产生有毒气体,减少对环境的污染。(It can load monitoring type midium voltage cable the invention discloses a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence, including oversheath, steel wire load layer, inner sheath and cable core, inner sheath is extruded on the outside of the cable core, it is surrounded with steel wire load layer on the outside of inner sheath, and is extruded with oversheath on the outside of steel wire load layer；The cable core includes elastic filler, fixed bracket, 6 elastic guide bands, 3 power wire cores, 3 monitoring cores and optical transport core.The present invention on the outside of cable core by successively wrapping up inner sheath, steel wire load layer and oversheath, and the fixation bracket being arranged inside cable core improves the structural strength and bending property of cable, it is laid with and uses in complicated mine convenient for cable, and effectively downhole production scene real time monitoring image information is transmitted, the load force for improving cable, guarantees the safety of load, cable fire can be effectively prevented when encountering fire, it avoids cable fire from generating toxic gas, reduces the pollution to environment.)

1. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence can load monitoring type midium voltage cable, including oversheath (1), steel wire load Layer (2), inner sheath (3) and cable core, it is characterised in that: be extruded on the outside of the cable core inner sheath (3), outside inner sheath (3) Side is surrounded with steel wire load layer (2), and oversheath (1) is extruded on the outside of steel wire load layer (2)；

The cable core includes elastic filler (4), fixed bracket (5), 6 elastic guide bands (18), 3 power wire cores, 3 prisons Sight core and optical transport core, and optical transport core is placed in the center of cable core, is uniformly set on the outside of the optical transport core solid Fixed rack (5), fixed bracket (5) are set as circular configuration, and the center of fixed bracket (5) is equipped with to cooperate with optical transport core Through-hole (19), and be uniformly provided with 3 lock chambers on the fixation bracket (5) on the outside of through-hole (19), the lock chamber is far from through-hole (19) it is all uniformly provided with connecting hole on the fixation bracket (5) at place both ends open at one end, the inside of connecting hole is interspersed with elastic conducting To band (18), and 6 elastic guide bands (18) sequentially pass through inside the connecting hole of same level fixed bracket (5), institute Stating lock chamber includes power wire core core slot (13), groove (16) and monitoring core core slot (17), and power wire core core slot (13) is equal It is placed in the one end of lock chamber close to opening, monitoring core core slot (17) is placed in the one end of lock chamber far from opening, described Groove (16) is connected between power wire core core slot (13) and monitoring core core slot (17), and monitoring core core slot (17) one end Be equipped with compression chamber (6) on the fixation bracket (5) at both ends on the outside of lock chamber, compression chamber (6) about through-hole (19) central symmetry, 3 power wire cores are interspersed in the inside of the power wire core core slot (13) between fixed bracket (5) around optical transport core spiral, And 3 monitoring cores are interspersed in the inside of monitoring core core slot (17) between fixed bracket (5), institute around optical transport core spiral It states and is filled with elastic filler between bracket (5) fixed inside inner sheath (3) in the gap of power wire core and monitoring core (4)；

The power wire core includes power core conductor (7), power core conductor shielded layer (8), power wire core insulating layer (14) With power wire core metal screen layer (15), the power core conductor (7) is placed in the center inside power wire core, and power line The outside of core conductor (7) is extruded with power core conductor shielded layer (8), the outside of the power core conductor shielded layer (8) It is extruded with power wire core insulating layer (14), and is extruded with power wire core metal screen layer on the outside of power wire core insulating layer (14) (15)；

The monitoring core includes monitoring core semi-conductive tape (9) and monitoring core conductor (10), and monitoring core conductor (10) It is placed in the center inside monitoring core, the outside of monitoring core conductor (10) is surrounded with monitoring core semi-conductive tape (9)；

The optical transport core includes armor (11) and optical transmission unit (12), and optical transmission unit (12) is placed in optical transport Center inside core, and the outside of optical transmission unit (12) is surrounded with armor (11).

2. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, Be characterized in that, the oversheath (1) and inner sheath (3) by using ethylene-propylene diene copolymer as the low smoke and zero halogen rubber of base-material extrudes and At formulation weight part of the rubber is as follows:

4028:60 parts of ethylene-propylene diene copolymer；

4033:50 parts of ethylene-propylene diene copolymer；

Low density polyethylene (LDPE): 20 parts；

Zinc oxide: 5 parts；

495:3 parts of anti-aging agent；

Calcinated argil: 140 parts；

N550:30 parts of carbon black；

Paraffin oil: 50 parts；

A-172:2 parts of coupling agent；

It is TBC:15 parts fire-retardant；

1,2 polybutadiene of liquid: 15 parts；

Crosslinking agent B IPB (40%): 10 parts；

Colorant: 3 parts；

The preparation method of the rubber includes the following steps:

A, the material such as in ethylene-propylene diene copolymer 4028, ethylene-propylene diene copolymer 4033, low density polyethylene (LDPE) addition mixer are overturn first equal After even, then by zinc oxide, anti-aging agent 495, calcinated argil, carbon black N550, paraffin oil, fire retardant TBC, 1,2 polybutadiene of liquid, After the material overturnings uniformly such as coupling agent A-172 is added in mixer, again mixer is added in crosslinking agent B IPB and colorant by third time It is interior, mixer processing temperature is controlled at 120 DEG C hereinafter, stirring should be cooled down on tablet press machine after the good glue discharging of refining, is turned over Material machine at least will back and forth cool down 3 times, consider glue again after waiting material overturning cooling uniformly to prevent from crosslinking in advance；

B, strainer is 3 layers when considering glue, ectonexine be 100 mesh among 50 mesh, fuselage and screw rod should be heated up to 80 ± 5 before driving DEG C, it then could start to consider glue, fuselage and extruder temperature control are set within 120 ± 5 DEG C in order to avoid damaging during considering glue It is standby and prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the rubber compound mixing of crosslinking agent B IPB (40%) should will be added in when second of refining glue The temperature of machine is controlled at 120 ± 5 DEG C, should be reprocessed after mixer is cooling as machine temperature is excessively high, be prevented sizing material from crosslinking in advance；

D, it should be cooled down on tablet press machine after adding the rubber compound discharging of BIPB (40%), upender will back and forth for several times, wait expect sufficiently Page is being rolled over after cooling, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 50 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 10 days, and winter does not surpass for the rubber compound quantity of second of processing 20 days are spent, other seasons are no more than 15 days, could use after should re-working more than above-mentioned storage period rubber compound.

3. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, It is characterized in that, the steel wire load layer (2) is twisted by steel wire strand and tinned copper wire with core type, and steel wire load layer (2) outside has coated the one layer of twining package tape that blocks water.

4. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, It is characterized in that, the fixed bracket (5) is process by polyurethane rubber.

5. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 4 can load monitoring type midium voltage cable, It is characterized in that, spacing is 8-16cm between adjacent 2 fixed brackets (5).

6. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, It is characterized in that, the power core conductor (7) is twisted by multiply tin annealed copper wire, and braiding lay ratio is 10-12.

7. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, Be characterized in that, the power wire core insulating layer (14) by being prepared by the rubber of base-material of ethylene-propylene diene copolymer, the rubber Formulation weight part is as follows:

1721:100 parts of ethylene-propylene diene copolymer；

Low density polyethylene (LDPE): 22 parts；

Zinc oxide: 15 parts；

M:1 parts of antioxidant A；

Z:2 parts of antioxidant MB；

Paraffin: 3 parts；

Aluminium hydroxide: 110 parts；

A-172:1 parts of coupling agent；

Crosslink agent DCP: 5 parts；

TMPT:3 parts of cross-linking aid；

Colorant: 3 parts；

The preparation method of the rubber includes the following steps:

A, first by ethylene-propylene diene copolymer 1721, low density polyethylene (LDPE) be added mixer in etc. material overturning uniformly after, then by zinc oxide, Antioxidant A M, antioxidant MB Z, paraffin, aluminium hydroxide, coupling agent A-172 be added mixer in etc. material overturning uniformly after, third time Crosslink agent DCP, cross-linking aid TMPT and amount of colorant are added in mixer again, the control of mixer processing temperature is existed 120 DEG C after refining good glue discharging on tablet press machine hereinafter, stirring should cool down, upender at least will back and forth cool down 3 times, and material is waited to turn over Consider glue again after turning cooling uniformly to prevent from crosslinking in advance；

B, when considering glue, strainer is 3 layers, ectonexine be 80 mesh among 40 mesh, fuselage and screw rod should be heated up to 80 ± 5 before driving DEG C, then start consider glue, during considering glue fuselage and extruder temperature control within 120 ± 5 DEG C in case damage equipment with Prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the temperature of the rubber compound mixer of crosslink agent DCP should will be added in when second of refining glue Degree control should reprocess after mixer is cooling as machine temperature is excessively high at 120 ± 5 DEG C, prevent sizing material from crosslinking in advance；

D, should be cooled down on tablet press machine after adding the rubber compound discharging of DCP, upender will back and forth for several times, after expecting to be fully cooled Page is rolled over, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 40 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 15 days, and winter does not surpass for the rubber compound quantity of second of processing 40 days are spent, other seasons are no more than 30 days, could use after should re-working more than above-mentioned storage period rubber compound.

8. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, It is characterized in that, the power wire core metal screen layer (15) is woven by tin-plating round copper wire.

9. a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to claim 1 can load monitoring type midium voltage cable, It is characterized in that, the elastic guide band (18) is process by the fluorocarbon resin added with copper powder.

Technical field

The present invention relates to wire and cable field, being specifically related to a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence can load prison Depending on type midium voltage cable.

Background technique

Coal is the lifeline of economy, coal resources in China very abundant, and the face of coal mine has apart from main channel is all far Even several kms it is remote, administrative department of the face apart from coal mine is farther, gets in touch between them or by traditional Contact method -- fixed-line telephone is connected and is inconvenient, and administrative department is exactly difficult to the condition of production for understanding underground in time Upper plus hardly possible.

With the continuous development of science and technology, the management of coal mine also achieves automation, is supervised in real time to production scene Control anywhere or anytime passes to the real-time pictures information of underground on ground, because cable can bend and draw when being laid with, Impact also by the coal cinder and stone that fall simultaneously, it is easy to cause cable impaired；The core that is used for transmission inside cable with It can not effectively be fixed between other cores, it is easier that mutual extrusion is broken between cable core, influence the transmission of data and picture；Electricity Cable cable when inclined shaft and vertical shaft are laid will be possible to be pulled off by very big pulling force；If the coal cinder that cable is fallen and Stone, which smashes, will occur short circuit, and explosion will be generated by encountering gas；When encountering fire, cable fire can generate largely again Toxic gas makes the life security of people by very big threat.

Summary of the invention

1. technical problems to be solved

It can load monitoring the technical problem to be solved in the present invention is that providing a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence Type midium voltage cable can effectively improve structural strength, elasticity, wearability and the bending property of cable, convenient for cable in complicated mine It is laid with and uses in well, and downhole production scene can be monitored in real time image information and passed on ground, the anti-of cable can be effectively improved Interference performance and pull resistance effectively prevent cable fire when encountering fire, and effectively improve load safety.

2. technical solution

To solve the above problems, the present invention adopts the following technical scheme that:

A kind of anti-interference low-smoke non-halogen flame-retardant of intelligence can load monitoring type midium voltage cable, including oversheath, steel wire load Layer, inner sheath and cable core are extruded with inner sheath on the outside of the cable core, steel wire load layer, and steel are surrounded on the outside of inner sheath Oversheath is extruded on the outside of silk load layer；

The cable core includes elastic filler, fixed bracket, 6 elastic guide bands, 3 power wire cores, 3 monitoring cores With optical transport core, and optical transport core is placed in the center of cable core, is uniformly set with fixed bracket on the outside of the optical transport core, Fixed bracket is set as circular configuration, support bracket fastened center be equipped with the mutually matched through-hole of optical transport core, and outside through-hole 3 lock chambers are uniformly provided on the fixation bracket of side, on fixation bracket of the lock chamber far from through-hole place both ends open at one end It is all uniformly provided with connecting hole, the inside of connecting hole is interspersed with elastic guide band, and 6 elastic guide bands are sequentially passed through in same Inside the support bracket fastened connecting hole of one horizontal plane, the lock chamber includes power wire core core slot, groove and monitoring core core slot, and Power wire core core slot is placed in the one end of lock chamber close to opening, and monitoring core core slot is placed in lock chamber far from opening One end, the groove are connected between power wire core core slot and monitoring core core slot, and monitoring core core slot one end lock chamber Be equipped with compression chamber on the fixation bracket at outside both ends, compression chamber is symmetrical about through hole center, 3 power wire cores around Optical transport core spiral is interspersed in inside the power wire core core slot between fixed bracket, and 3 monitoring cores are around optical transmission line Core spiral is interspersed in the inside of monitoring core core slot between fixed bracket, power wire core between fixed bracket inside the inner sheath With in the gap of monitoring core be filled with elastic filler；

The power wire core includes power core conductor, power core conductor shielded layer, power wire core insulating layer and power Core metal screen layer, the power core conductor are placed in the center inside power wire core, and the outside of power core conductor It is extruded with power core conductor shielded layer, is extruded with power wire core insulating layer on the outside of the power core conductor shielded layer, And power wire core metal screen layer is extruded on the outside of power wire core insulating layer；

The monitoring core includes monitoring core semi-conductive tape and monitoring core conductor, and monitoring core conductor is placed in prison The center of sight core inner, the outside of monitoring core conductor are surrounded with monitoring core semi-conductive tape；

The optical transport core includes armor and optical transmission unit, and optical transmission unit is placed in optical transmission line core inner Center, and the outside of optical transmission unit is surrounded with armor.

Specifically, the oversheath and inner sheath by using ethylene-propylene diene copolymer as the low smoke and zero halogen rubber of base-material extrudes and At formulation weight part of the rubber is as follows:

4028:60 parts of ethylene-propylene diene copolymer；

4033:50 parts of ethylene-propylene diene copolymer；

Low density polyethylene (LDPE): 20 parts；

Zinc oxide: 5 parts；

495:3 parts of anti-aging agent；

Calcinated argil: 140 parts；

N550:30 parts of carbon black；

Paraffin oil: 50 parts；

A-172:2 parts of coupling agent；

It is TBC:15 parts fire-retardant；

1,2 polybutadiene of liquid: 15 parts；

Crosslinking agent B IPB (40%): 10 parts；

Colorant: 3 parts；

The preparation method of the rubber includes the following steps:

A, the material such as in ethylene-propylene diene copolymer 4028, ethylene-propylene diene copolymer 4033, low density polyethylene (LDPE) addition mixer are turned over first After turning uniformly, then by zinc oxide, anti-aging agent 495, calcinated argil, carbon black N550, paraffin oil, fire retardant TBC, liquid 1,2 poly- fourths In diene, coupling agent A-172 addition mixer etc. after material overturning uniformly, third time is close by crosslinking agent B IPB and colorant addition again In mill, mixer processing temperature is controlled at 120 DEG C hereinafter, after the good glue discharging of refining should on tablet press machine stirring it is cold But, upender at least will back and forth cool down 3 times, consider glue again after waiting material overturning cooling uniformly to prevent from crosslinking in advance；

B, strainer is 3 layers when considering glue, ectonexine be 100 mesh among 50 mesh, fuselage and screw rod should be heated up to 80 before driving It ± 5 DEG C, then could start to consider glue, fuselage and extruder temperature are controlled within 120 ± 5 DEG C in order to avoid damaging during considering glue Equipment and prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the rubber compound of crosslinking agent B IPB (40%) should will be added in when second of refining glue The temperature of mixer is controlled at 120 ± 5 DEG C, should be reprocessed after mixer is cooling as machine temperature is excessively high, be prevented sizing material from occurring in advance Crosslinking；

D, it should be cooled down on tablet press machine after adding the rubber compound discharging of BIPB (40%), upender will back and forth for several times, wait expect Page is being rolled over after being fully cooled, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 50 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 10 days for the rubber compound quantity of second of processing, winter No more than 20 days, other seasons were no more than 15 days, could use after should re-working more than above-mentioned storage period rubber compound.

Specifically, the steel wire load layer is twisted by steel wire strand and tinned copper wire with core type, and steel wire load The outside of layer has coated the one layer of twining package tape that blocks water.

Specifically, the fixed bracket is process by polyurethane rubber.

Specifically, spacing is 8-16cm between the adjacent 2 fixed brackets.

Specifically, the power core conductor passes through multiply tin annealed copper wire and is twisted, and braiding lay ratio is 10- 12。

Specifically, the power wire core insulating layer by the rubber of base-material of ethylene-propylene diene copolymer by being prepared, the rubber Formulation weight part it is as follows:

1721:100 parts of ethylene-propylene diene copolymer；

Low density polyethylene (LDPE): 22 parts；

Zinc oxide: 15 parts；

M:1 parts of antioxidant A；

Z:2 parts of antioxidant MB；

Paraffin: 3 parts；

Aluminium hydroxide: 110 parts；

A-172:1 parts of coupling agent；

Crosslink agent DCP: 5 parts；

TMPT:3 parts of cross-linking aid；

Colorant: 3 parts；

The preparation method of the rubber includes the following steps:

A, after ethylene-propylene diene copolymer 1721, low density polyethylene (LDPE) such as being added in mixer at the material overturning uniformly first, then by oxygen Change zinc, antioxidant A M, antioxidant MB Z, paraffin, aluminium hydroxide, coupling agent A-172 be added mixer in etc. material overturning uniformly after, Crosslink agent DCP, cross-linking aid TMPT and amount of colorant are added in mixer again for third time, mixer processing temperature control It makes at 120 DEG C hereinafter, stirring should be cooled down on tablet press machine after refining good glue discharging, upender at least will back and forth cool down 3 times, etc. Consider glue again after material overturning cooling uniformly to prevent from crosslinking in advance；

B, when considering glue, strainer is 3 layers, ectonexine be 80 mesh among 40 mesh, fuselage and screw rod should be heated up to 80 before driving ± 5 DEG C, then start to consider glue, fuselage and extruder temperature are controlled within 120 ± 5 DEG C in order to avoid damaging equipment during considering glue With prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the rubber compound mixer of crosslink agent DCP should will be added in when second of refining glue Temperature control at 120 ± 5 DEG C, as machine temperature it is excessively high should after mixer cool down after reprocess, prevent sizing material from crosslinking in advance；

D, it should be cooled down on tablet press machine after adding the rubber compound discharging of DCP, upender will be fully cooled wait expect back and forth for several times Page is being rolled over afterwards, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 40 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 15 days for the rubber compound quantity of second of processing, winter No more than 40 days, other seasons were no more than 30 days, could use after should re-working more than above-mentioned storage period rubber compound.

Specifically, the power wire core metal screen layer is woven by tin-plating round copper wire.

Specifically, the elastic guide band is process by the fluorocarbon resin added with copper powder.

3. beneficial effect

(1) present invention passes through steel wire load by successively wrapping up inner sheath, steel wire load layer and oversheath on the outside of cable core Layer improves the load force of cable core, effectively using ethylene-propylene diene copolymer as inner sheath made of the low smoke and zero halogen rubber of base-material and outer shield Set carries out duplicate protection to cable, effectively to carry out fire-retardant when cable meets fire, avoids generating when cable fire toxic Gas reduces the pollution to environment, while can improve cable effectively by the steel wire load layer being arranged between interior oversheath Load force is conducted convenient for data information by cable, to improve the load safety of cable.

(2) present invention is fixed and supports to power wire core and monitoring core by using fixed bracket, effectively avoids Mutual extrusion between power wire core and monitoring core effectively avoids Exterior cable convenient for squeezing by fixed rack bearing external force The damage of core caused by when being squeezed, while convenient for improving the bendability of cable entirety by spaced fixed bracket Can, it is laid with and uses in complicated mine convenient for cable.

(3) present invention is effectively filled out by elasticity by being filled with elastic filler between power wire core and monitoring core It fills object and increases tension between power wire core and monitoring core, cause power wire core and monitoring core mutually to squeeze after avoiding cable core stress Pressure generates deformation rupture.

(4) present invention is exhausted by successively wrapping up power core conductor shielded layer, power wire core on the outside of power core conductor Edge layer and power wire core metal screen layer, are effectively improved the field distribution on power core conductor surface, and homogenizing electric field and elimination are dynamic Air gap between line of force core conductor and power wire core insulating layer increases the insulating properties of power wire core, shields external interference, and effectively logical It crosses using ethylene-propylene diene copolymer as power wire core insulating layer made of the rubber of base-material, improves the ageing resistance of power wire core, effectively subtract Few power wire core aging, to improve the service life of cable.

(5) center of the invention by the way that optical transport core to be placed in cable core, is uniformly set with solid on the outside of optical transport core Fixed rack, and successively interlaced helical is fixed in lock chamber with monitoring core by power wire core, convenient for passing through fixed bracket, power Core and monitoring core protect optical transport core, monitor picture in real time to downhole production scene by optical transport core convenient for cable Information is transmitted, and the functionality of cable is increased, and effectively improves the structural strength and resistance to torsion of cable entirety, while convenient for logical The structural strength of monitoring core conductor and optical transmission unit can be effectively improved by crossing monitoring core semi-conductive tape and armor, avoid cable Conductor break when core bending is pullled keeps the stability, electric conductivity and electromagnetic wave shielding of conductor, is convenient for monitoring core and optical transport The use of core.

(6) present invention in the fixation bracket of lock chamber two sides by being equipped with compression chamber, convenient for when stress, pressing on the outside of cable After the fixed bracket of power extruding deforms it, the closing of lock chamber opening, effectively can avoid core from falling on fixed bracket, and monitor Core squeezes groove and monitoring core core slot after being pressurized, and can make the fixation deformation of timbering close to compression chamber side and squeeze compression Chamber, so that groove is expanded, so that monitoring core and power wire core are sufficiently wrapped up inside lock chamber by elastic filler, to have Effect reduces mutual extrusion between core and is deformed, convenient for keeping the stability of conductor, convenient for monitoring core and power wire core It uses, while after disappearing convenient for external force, fixed bracket restores to the original state under the effect of its own elastic force, so that monitoring core and power Core is under the promotion of elastic filler along power wire core core slot, groove and monitoring core core slot arc sliding until restoring just Begin fixed position, to misplace after avoiding core from being pressurized, reduce the damage of core, convenient for guaranteeing the service life of cable.

To sum up, a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence according to the present invention can load monitoring type midium voltage cable, The structural strength and bending property of cable can be effectively ensured, be laid with and use in complicated mine convenient for cable, and effectively by well Lower production scene real time monitoring image information is transmitted, and is improved the load force of cable, is guaranteed the safety of load, can effectively mention The anti-interference ability and pull resistance of high cable guarantee the stability and electric conductivity of cable, cable are effectively prevented when encountering fire Burning avoids cable fire from generating toxic gas, reduces the pollution to environment.

Detailed description of the invention

Fig. 1 is that cable cross-section structure of the invention is illustrated；

Fig. 2 is that cable partial structurtes of the invention are illustrated.

Appended drawing reference: 1, oversheath；2, steel wire load layer；3, inner sheath；4, elastic filler；5, fixed bracket；6, it presses Contracting chamber；7, power core conductor；8, power core conductor shielded layer；9, monitoring core semi-conductive tape；10, monitoring core conductor； 11, armor；12, optical transmission unit；13, power wire core core slot；14, power wire core insulating layer；15, power wire core metallic shield Layer；16, groove；17, monitoring core core slot；18, elastic guide band；19, through-hole.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Referring to FIG. 1-2, a kind of anti-interference low-smoke non-halogen flame-retardant of intelligence can load monitoring type midium voltage cable, including outer shield 1, steel wire load layer 2, inner sheath 3 and cable core are covered, is extruded with inner sheath 3 on the outside of cable core, the outside of inner sheath 3 is surrounded with steel wire Load layer 2, steel wire load layer 2 are twisted by steel wire strand and tinned copper wire with core type, and the outside packet of steel wire load layer 2 The one layer of twining package tape that blocks water has been covered, the load force of cable core is effectively improved by twisted steel wire load layer 2, it is effectively wrapped by blocking water With the block-water effect for improving cable core, oversheath 1, oversheath 1 are extruded with convenient for the outside of the use of cable core, and steel wire load layer 2 With inner sheath 3 by extruding by the low smoke and zero halogen rubber of base-material of ethylene-propylene diene copolymer, effectively pass through oversheath 1 and interior shield Set 3 improves the chemical property and mechanical performance of cable, so that cable is released when meeting fire without toxic gas, and improves cable Fire-retardant, antistatic and anti-interference ability；

Cable core includes elastic filler 4, fixed 5,6, bracket, 18,3, elastic guide band power wire core, 3 monitoring cores With optical transport core, and optical transport core is placed in the center of cable core, is uniformly set with fixed bracket 5 on the outside of optical transport core, Gu Fixed rack 5 is set as circular configuration, and fixed bracket 5 is process by polyurethane rubber, spacing between adjacent 2 fixed brackets 5 For 8cm, convenient for being effectively increased by the material property of fixed bracket 5, the hardness of itself, intensity are good and elastic, and bracket is fixed in raising 5 tearing-resistant performance is also equipped with certain elasticity tension so that fixed bracket 5 not only can effectively bear external force squeeze, so that The local closure that can deform after the fixed bracket 5 of external impacts, effectively avoids internal core from falling off, convenient for the positioning between core It is fixed, it avoids distorting tearing between core, while spacing can effectively improve the bending property of cable between fixed bracket 5, be convenient for Cable is laid in complicated mine and uses, the center of fixed bracket 5 be equipped with the mutually matched through-hole 19 of optical transport core, And 3 lock chambers are uniformly provided on the fixation bracket 5 in 19 outside of through-hole, lock chamber is consolidated far from the place both ends open at one end of through-hole 19 Connecting hole is all uniformly provided on fixed rack 5, the inside of connecting hole is interspersed with elastic guide band 18, and 6 elastic guide bands 18 It sequentially passes through inside the connecting hole of the fixed bracket 5 of same level, elastic guide band 18 passes through the fluorine carbon added with copper powder Resin is process, and increases the connectivity fixed between bracket 5 convenient for effectively passing through elasticity and the toughness of elastic guide band 18, has The phenomenon of rupture that effect avoids the cable between fixed bracket 5 from occurring in compression or bending, so that it is strong to improve cable overall structure Degree and toughness, lock chamber includes power wire core core slot 13, groove 16 and monitoring core core slot 17, and power wire core core slot 13 is set In lock chamber close to one end of opening, monitoring core core slot 17 is placed in the one end of lock chamber far from opening, and groove 16 is equal It is connected between power wire core core slot 13 and monitoring core core slot 17, and both ends on the outside of 17 one end lock chamber of monitoring core core slot It is equipped with compression chamber 6 on fixed bracket 5, compression chamber 6 is about 19 central symmetry of through-hole, and 3 power wire cores are around optical transmission line Core spiral is interspersed in inside the power wire core core slot 13 between fixed bracket 5, and 3 monitoring cores are around optical transport core spiral It is interspersed in the inside of monitoring core core slot 17 between fixed bracket 5, power wire core and prison between bracket 5 are fixed inside inner sheath 3 Elastic filler 4 is filled in the gap of sight core；

Power wire core includes power core conductor 7, power core conductor shielded layer 8, power wire core insulating layer 14 and power Core metal screen layer 15, power core conductor 7 are placed in the center inside power wire core, and power core conductor 7 is by more Stock tin annealed copper wire is twisted, and braiding lay ratio is 10, effectively avoids power core conductor 7 by twisted tin annealed copper wire Deform fracture in bending process, to effectively improve the flexibility and ductility of power core conductor 7, and power wire core is led The outside of body 7 is extruded with power core conductor shielded layer 8, and the outside of power core conductor shielded layer 8 is extruded with power wire core Insulating layer 14, power wire core insulating layer 14 by the rubber of base-material of ethylene-propylene diene copolymer by being prepared, and power wire core insulate The outside of layer 14 is extruded with power wire core metal screen layer 15, power wire core metal screen layer 15 woven by tin-plating round copper wire and At, effective structural strength for increasing power wire core by power wire core metal screen layer 15, and improve the anti-interference of power wire core Performance；

Monitoring core includes monitoring core semi-conductive tape 9 and monitoring core conductor 10, and monitoring core conductor 10 is placed in Center inside monitoring core, the outside of monitoring core conductor 10 are surrounded with monitoring core semi-conductive tape 9；

Optical transport core includes armor 11 and optical transmission unit 12, and optical transmission unit 12 is placed in optical transmission line in-core The center in portion, and the outside of optical transmission unit 12 is surrounded with armor 11.

The rubber compounding that above-mentioned oversheath 1 and inner sheath 3 use is as follows:

Ethylene-propylene diene copolymer 4028:60kg；

Ethylene-propylene diene copolymer 4033:50kg；

Low density polyethylene (LDPE): 20kg；

Zinc oxide: 5kg；

Anti-aging agent 495:3kg；

Calcinated argil: 140kg；

Carbon black N550:30kg；

Paraffin oil: 50kg；

Coupling agent A-172:2kg；

Fire-retardant TBC:15kg；

1,2 polybutadiene of liquid: 15kg；

Crosslinking agent B IPB (40%): 10kg；

Colorant: 3kg；

The preparation method of the rubber includes the following steps:

A, the material such as in ethylene-propylene diene copolymer 4028, ethylene-propylene diene copolymer 4033, low density polyethylene (LDPE) addition mixer are turned over first After turning uniformly, then by zinc oxide, anti-aging agent 495, calcinated argil, carbon black N550, paraffin oil, fire retardant TBC, liquid 1,2 poly- fourths In diene, coupling agent A-172 addition mixer etc. after material overturning uniformly, third time is close by crosslinking agent B IPB and colorant addition again In mill, mixer processing temperature is controlled at 120 DEG C hereinafter, after the good glue discharging of refining should on tablet press machine stirring it is cold But, upender at least will back and forth cool down 3 times, consider glue again after waiting material overturning cooling uniformly to prevent from crosslinking in advance；

B, strainer is 3 layers when considering glue, ectonexine be 100 mesh among 50 mesh, fuselage and screw rod should be heated up to 80 before driving It ± 5 DEG C, then could start to consider glue, fuselage and extruder temperature are controlled within 120 ± 5 DEG C in order to avoid damaging during considering glue Equipment and prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the rubber compound of crosslinking agent B IPB (40%) should will be added in when second of refining glue The temperature of mixer is controlled at 120 ± 5 DEG C, should be reprocessed after mixer is cooling as machine temperature is excessively high, be prevented sizing material from occurring in advance Crosslinking；

D, it should be cooled down on tablet press machine after adding the rubber compound discharging of BIPB (40%), upender will back and forth for several times, wait expect Page is being rolled over after being fully cooled, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 50 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 10 days for the rubber compound quantity of second of processing, winter No more than 20 days, other seasons were no more than 15 days, could use after should re-working more than above-mentioned storage period rubber compound.

Through detecting, the physical property of above-mentioned rubber system standby oversheath 1 and inner sheath 3 are as follows: intensity 18Mpa, elongation 450%, Oil resistivity is good, and strength retention reaches 84%, percent retention of elongation and reaches 71% after No. 2 standard oils, 121 DEG C × aging for 24 hours； Anti-tear power is 8N/mm, oxygen index (OI) 33, smoke density (minimum light transmittance) are 68%, and conductivity is 7.9 μ S/mm.

The formula of rubber that above-mentioned power wire core insulating layer 14 uses is as follows:

Ethylene-propylene diene copolymer 1721:100kg；

Low density polyethylene (LDPE): 22kg；

Zinc oxide: 15kg；

Antioxidant A M:1kg；

Antioxidant MB Z:2kg；

Paraffin: 3kg；

Aluminium hydroxide: 110kg；

Coupling agent A-172:1kg；

Crosslink agent DCP: 5kg；

Cross-linking aid TMPT:3kg；

Colorant: 3kg；

The preparation method of the rubber includes the following steps:

A, after ethylene-propylene diene copolymer 1721, low density polyethylene (LDPE) such as being added in mixer at the material overturning uniformly first, then by oxygen Change zinc, antioxidant A M, antioxidant MB Z, paraffin, aluminium hydroxide, coupling agent A-172 be added mixer in etc. material overturning uniformly after, Crosslink agent DCP, cross-linking aid TMPT and amount of colorant are added in mixer again for third time, mixer processing temperature control It makes at 120 DEG C hereinafter, stirring should be cooled down on tablet press machine after refining good glue discharging, upender at least will back and forth cool down 3 times, etc. Consider glue again after material overturning cooling uniformly to prevent from crosslinking in advance；

B, when considering glue, strainer is 3 layers, ectonexine be 80 mesh among 40 mesh, fuselage and screw rod should be heated up to 80 before driving ± 5 DEG C, then start to consider glue, fuselage and extruder temperature are controlled within 120 ± 5 DEG C in order to avoid damaging equipment during considering glue With prevent sizing material from crosslinking in advance；

C, considered and carried out second of coking after glue, the rubber compound mixer of crosslink agent DCP should will be added in when second of refining glue Temperature control at 120 ± 5 DEG C, as machine temperature it is excessively high should after mixer cool down after reprocess, prevent sizing material from crosslinking in advance；

D, it should be cooled down on tablet press machine after adding the rubber compound discharging of DCP, upender will be fully cooled wait expect back and forth for several times Page is being rolled over afterwards, rolling page width degree is 300mm-500mm, with a thickness of 1.2-1.5mm；

E, 100 DEG C of Mooney viscosities of rubber compound M (1+4) of second of processing are 40 ± 5；

F, the rubber compound processed should mark it is clear, in order to avoid next procedure is wrong；

G, according to production needs, summer storage period should be no more than 15 days for the rubber compound quantity of second of processing, winter No more than 40 days, other seasons were no more than 30 days, could use after should re-working more than above-mentioned storage period rubber compound.

Through detecting, the physical property of the power wire core insulating layer 14 of above-mentioned rubber preparation are as follows: intensity reaches 10Mpa, Shen rate is 350%, strength retention reaches 81%, Shen rate conservation rate and reaches 75% after 160 DEG C × 20d aging, and anti-tear power is 7N/mm, Volume resistivity is 2.1 × 10¹⁵Ω·cm。

Working principle: in use, oversheath 1 and inner sheath 3 can effectively improve the mechanical strength, elasticity, resistance of cable entirety Aqueous and wearability avoids steam from entering inside cable and generates immersion corrosion to conductor, to effectively reduce the damage of cable, together When it is fire-retardant convenient for by the duplicate protection of oversheath 1 and inner sheath 3, effectively to carry out when cable meets fire, avoid cable The toxic gas generated when burning, reduces the pollution to environment, and the outside of the steel wire load layer 2 between duplex sheath has coated one Layer blocks water twining package tape, and the load force of cable core can be not only improved by steel wire load layer 2, can also pass through the twining package tape raising that blocks water The block-water effect of cable core convenient for the use of cable core, and fixes bracket 5 and power wire core and monitoring core is fixed and is supported, Mutual extrusion between power wire core and monitoring core effectively is avoided, is effectively squeezed by fixed 5 bear external force of bracket, avoids cable The damage of core caused by when outside is squeezed, when cable is squeezed by external force, fixed 5 forced compression of bracket, so that fixed The opening of bracket 5 is closed, and is effectively prevented core and is fallen, and squeezes groove 16 and monitoring core core after monitoring core is pressurized at this time Slot 17 so that close to 6 side of compression chamber 5 local deformation of fixation bracket and squeeze compression chamber 6 so that groove 16 expand, So that monitoring core and power wire core are sufficiently wrapped up inside lock chamber by elastic filler 4, effectively reduce between core mutually Extruding is deformed, convenient for keeping the stability of conductor, convenient for the use of monitoring core and power wire core, and after external force disappears, Fixed bracket 5 restores to the original state under the effect of its own elastic force, so that the promotion of monitoring core and power wire core in elastic filler 4 Under along power wire core core slot 13, groove 16 and 17 arc sliding of monitoring core core slot until restore initial fixed position, avoid Core misplaces after being pressurized, and reduces the damage of core, convenient for guaranteeing the service life of cable, while spaced fixed bracket 5 The bending property of cable entirety can be effectively improved, is laid with and uses in complicated mine convenient for cable, and power wire core and monitoring The elastic filler 4 filled between core can effectively increase the tension between core, lead to power wire core after avoiding cable core stress Deformation rupture is generated with monitoring core mutual extrusion, and further increases the load force of cable core, convenient for data information in cable core Portion is conducted, and load safety is improved, and convenient for the use of cable core, and the optical transport core in cable core center can be effectively raw to underground It produces scene real time monitoring image information to be transmitted, increases the functionality of cable, while fixed bracket 5 and successively interlaced helical is consolidated Fixed power wire core and monitoring core energy effective protection optical transport core guarantees that data information is transmitted in downhole safety, and effectively The structural strength and resistance to torsion of cable entirety are improved, conductor break when cable core bending being avoided to pull keeps the stability of conductor, leads Electrical property and electromagnetic wave shielding, convenient for the use of cable.

Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above Change, modification will all be fallen in scope of the presently claimed invention.