CN205788617U - Sensing cable - Google Patents
Sensing cable Download PDFInfo
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- CN205788617U CN205788617U CN201620598989.5U CN201620598989U CN205788617U CN 205788617 U CN205788617 U CN 205788617U CN 201620598989 U CN201620598989 U CN 201620598989U CN 205788617 U CN205788617 U CN 205788617U
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- heart yearn
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Abstract
This utility model provides one sensing cable, including: two power supplys and signal multiplexing cable and two temperature-sensitive cables；Temperature-sensitive cable is separately provided with signal multiplexing cable with power supply, or at least power supply and signal multiplexing cable multiplexing temperature-sensitive cable；Temperature-sensitive cable and power supply and signal multiplexing cable outer wrapping waterproof insulation set.Sensing cable uses quadrature arrangement, including the first heart yearn, the second heart yearn, the 3rd heart yearn and quad；Quad is conductor；First heart yearn and the second heart yearn appearance parcel insulant, as two power supplys and signal multiplexing cable；3rd heart yearn and quad appearance parcel NTC negative temperature coefficient material, constitute two temperature-sensitive cables；Two power supplys twist together formation the first lay configuration with signal multiplexing cable, and two temperature-sensitive cables twist together formation the second lay configuration；First lay configuration and the second lay configuration be arranged in parallel.This utility model is integrated with signal and transmits and temperature-sensitive ability, and flexible configuration is applied widely.
Description
Technical field
This utility model relates to a kind of cable, the sensing cable of a kind of line-type heat detector.
Background technology
Line-type heat detector is widely used in the industrial circles such as electric power, metallurgy, petrochemical industry, and line-type heat is visited
The sensing unit surveying device includes temperature sensing cable, and when the ambient temperature detecting protection zone changes, temperature-sensitive cable can be felt
Know variation of ambient temperature, thus determine whether that fire provides temperature information input for signal processing unit.
Summary of the invention
The purpose of this utility model is to provide a kind of sensing cable, is integrated with signal transmission and temperature-sensitive ability, and structure is closed
Reason, is beneficial to build line-type heat detector with TU Trunk Unit combination；The technical solution adopted in the utility model is:
A kind of sensing cable, including: two power supplys and signal multiplexing cable and two temperature-sensitive cables；Temperature-sensitive cable and power supply
It is separately provided with signal multiplexing cable, or at least power supply and signal multiplexing cable multiplexing temperature-sensitive cable；
Temperature-sensitive cable and power supply and signal multiplexing cable outer wrapping waterproof insulation set.
Further,
Sensing cable uses quadrature arrangement, including the first heart yearn, the second heart yearn, the 3rd heart yearn and quad；Quad
It is conductor；First heart yearn and the second heart yearn appearance parcel insulant, as two power supplys and signal multiplexing cable；3rd core
Line and quad appearance parcel NTC negative temperature coefficient material, and the 3rd heart yearn and the NTC negative temperature coefficient of quad appearance
Material connects continuously or is connected as a single entity, and there is interval, constitute two temperature-sensitive cables between the 3rd heart yearn and quad；
First heart yearn, the second heart yearn, the 3rd heart yearn and quad be arranged in parallel or are twisted into lay configuration.
Or, further,
Sensing cable uses three-core structure, including the first heart yearn, the second heart yearn, the 3rd heart yearn；Three heart yearns are conductor, the
One heart yearn appearance parcel insulant, as a power supply and signal multiplexing cable；Second heart yearn and the 3rd heart yearn appearance parcel
NTC negative temperature coefficient material, the NTC negative temperature coefficient material of the second heart yearn and the 3rd heart yearn appearance connects continuously or is linked as one
, there is interval between the second heart yearn and the 3rd heart yearn, constitute two temperature-sensitive cables in body；Appearance parcel NTC negative temperature coefficient material
Second heart yearn concurrent multiplexing, as another root power supply and signal multiplexing cable；
First heart yearn, the second heart yearn, the 3rd heart yearn be arranged in parallel or are twisted into lay configuration.
Or, further,
Sensing cable uses two-chip structure, including the first heart yearn, the second heart yearn；Two heart yearns are conductor；First heart yearn and
Second heart yearn appearance parcel NTC negative temperature coefficient material, and the first heart yearn and the NTC negative temperature coefficient material of the second heart yearn appearance
Connect continuously or be connected as a single entity, there is interval between the first heart yearn and the second heart yearn, constitute two temperature-sensitive cables；Two power supplys with
Signal multiplexing cable and two temperature-sensitive cable multiplexings；
First heart yearn, the second heart yearn be arranged in parallel or are twisted into lay configuration.
Or, further,
Sensing cable uses quadrature arrangement, including the first heart yearn, the second heart yearn, the 3rd heart yearn and quad；Quad
It is conductor；First heart yearn and the second heart yearn appearance parcel insulant, as two power supplys and signal multiplexing cable；3rd core
Line and quad appearance parcel NTC negative temperature coefficient material, and the 3rd heart yearn and the NTC negative temperature coefficient of quad appearance
Material connects continuously or is connected as a single entity, and there is interval, constitute two temperature-sensitive cables between the 3rd heart yearn and quad；
Two power supplys twist together formation the first lay configuration with signal multiplexing cable, and two temperature-sensitive cables are stranded in one
Rise and form the second lay configuration；First lay configuration and the second lay configuration be arranged in parallel, outer wrapping waterproof insulation set.
The utility model has the advantage of: sensing cable of the present utility model is integrated with power supply and signal multiplexing cable and sense
Temperature cable, coordinates with TU Trunk Unit structure line-type heat detector more convenient, has preferable capacity of resisting disturbance；Stretch-proof
Property is good；Length needs can be used according to client, carry out multi-stage cascade, flexible configuration together with TU Trunk Unit, not co-occurrence can be met
The requirement of field, applied widely.
Accompanying drawing explanation
Fig. 1 is embodiment one structural representation of the present utility model.
Fig. 2 is embodiment two structural representation of the present utility model.
Fig. 3 is embodiment three structural representation of the present utility model.
Fig. 4 is embodiment four structural representation of the present utility model.
Fig. 5 is embodiment five structural representation of the present utility model.
Fig. 6 is embodiment six structural representation of the present utility model.
Fig. 7 is embodiment seven structural representation of the present utility model.
Fig. 8 is the fire detector schematic diagram that quadrature arrangement sensing cable builds with TU Trunk Unit.
Fig. 9 is the fire detector schematic diagram that three-core structure sensing cable builds with TU Trunk Unit.
Figure 10 is the fire detector schematic diagram that two-chip structure sensing cable builds with TU Trunk Unit.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
Embodiment one, as shown in Figure 1；
Sensing cable 1 in the present embodiment uses quadrature arrangement, including the first heart yearn 1a, the second heart yearn 1b, the 3rd heart yearn
1c and quad 1d；Quad is conductor；First heart yearn 1a and the second heart yearn 1b appearance parcel insulant, as two
Power supply and signal multiplexing cable 101；3rd heart yearn 1c and quad 1d appearance parcel NTC negative temperature coefficient material 1e, and the
The NTC negative temperature coefficient material of three heart yearn 1c and quad 1d appearance connects continuously or is connected as a single entity, the 3rd heart yearn 1c and
There is interval between quad 1d, constitute two temperature-sensitive cables 102；The most when the temperature is changed, the 3rd heart yearn 1c and the 4th core
NTC material resistance between line 1d line raises with temperature and declines, and forms the temperature-sensitive cable with sense of continuity temperature function；Quad is put down
Row is arranged；Quad additional waterproof insulation set 3；
Embodiment two, as shown in Figure 2；
Sensing cable 1 in the present embodiment uses three-core structure, including the first heart yearn 1a, the second heart yearn 1b, the 3rd heart yearn
1c；Three heart yearns are conductor, and the first heart yearn 1a appearance parcel insulant, as a power supply and signal multiplexing cable 101；The
Two heart yearn 1b and the 3rd heart yearn 1c appearance wrap up NTC negative temperature coefficient material 1e, the second heart yearn 1b and the 3rd heart yearn 1c appearance
NTC negative temperature coefficient material connects continuously or is connected as a single entity, and there is interval, constitute two between the second heart yearn 1b and the 3rd heart yearn 1c
Temperature-sensitive cable 102；Second heart yearn 1b concurrent multiplexing of appearance parcel NTC negative temperature coefficient material, as another root power supply and letter
Number multiplexing cable 101 is used；Three heart yearns be arranged in parallel；Three heart yearn additional waterproof insulation sets 3；
Embodiment three, as shown in Figure 3；
Sensing cable 1 in the present embodiment uses two-chip structure, including the first heart yearn 1a, the second heart yearn 1b；Two heart yearns are equal
For conductor；First heart yearn 1a and the second heart yearn 1b appearance parcel NTC negative temperature coefficient material 1e, and the first heart yearn 1a and the second core
The NTC negative temperature coefficient material of line 1b appearance connects continuously or is connected as a single entity, and exists between the first heart yearn 1a and the second heart yearn 1b
Interval, constitutes two temperature-sensitive cables 102；Two power supplys and signal multiplexing cable 101 and the multiplexing of two temperature-sensitive cables 102；Two cores
Line be arranged in parallel；Two heart yearn additional waterproof insulation sets 3；
Embodiment four, as shown in Figure 4,
Sensing cable 1 in the present embodiment uses quadrature arrangement, including the first heart yearn 1a, the second heart yearn 1b, the 3rd heart yearn
1c and quad 1d；Quad is twisted into lay configuration, and remaining is with embodiment one.
Embodiment five, as it is shown in figure 5,
Sensing cable 1 in the present embodiment uses three-core structure, including the first heart yearn 1a, the second heart yearn 1b, the 3rd heart yearn
1c；Three heart yearns are twisted into lay configuration, and remaining is with embodiment two.
Embodiment six, the sensing cable 1 in the present embodiment uses two-chip structure, including the first heart yearn 1a, the second heart yearn 1b；
Two heart yearns are twisted into lay configuration, and remaining is with embodiment three.
Embodiment seven, as it is shown in fig. 7,
Sensing cable 1 in the present embodiment uses quadrature arrangement, including the first heart yearn 1a, the second heart yearn 1b, the 3rd heart yearn
1c and quad 1d；Quad is conductor；First heart yearn 1a and the second heart yearn 1b appearance parcel insulant, as two
Power supply and signal multiplexing cable 101；3rd heart yearn 1c and quad 1d appearance parcel NTC negative temperature coefficient material 1e, and the
The NTC negative temperature coefficient material of three heart yearn 1c and quad 1d appearance connects continuously or is connected as a single entity, the 3rd heart yearn 1c and
There is interval between quad 1d, constitute two temperature-sensitive cables 102；
Two power supplys twist together formation the first lay configuration with signal multiplexing cable 101, and two temperature-sensitive cables 102 twist
It is combined formation the second lay configuration；First lay configuration and the second lay configuration be arranged in parallel, outer wrapping waterproof insulation set
3。
Sensing cable 1 best performance in the present embodiment, temperature-sensitive cable (102) and power supply and signal multiplexing cable (101)
It is separately provided, and two the most stranded power supplys and signal multiplexing cable (101), with two the most stranded temperature-sensitive cables
(102), mutual signal disturbing is minimum, and the anti-interference disturbed to external world is the most optimal；The hot strength of sensing cable is the most relatively
Good.
The sensing unit structure that line-type heat detector is mainly connected with signal processing unit by signal processing unit
Become；Sensing unit is generally formed by multistage probe unit cascade；
Probe unit includes sensing cable 1 and the TU Trunk Unit 2 with temperature-sensitive ability；
When sensing cable 1 and using quadrature arrangement, as shown in Figure 8, sensing cable 1, TU Trunk Unit 2 and signal processing unit
Connected mode illustrates:
In first order probe unit, the front end of the first heart yearn 1a and the second heart yearn 1b of sensing cable 1 connects signal processing
Unit, rear end is connected respectively on front terminal the row the first terminal of X, second terminal of the TU Trunk Unit of this grade；Sensing cable 1
The front end of the 3rd heart yearn 1c and quad 1d connects the two ends of terminal resistance R on signal processing unit, and rear end is connected respectively to
Front terminal row the 3rd terminal of X, the 4th terminal of the TU Trunk Unit of this grade, thus connect the cable signal sampling in TU Trunk Unit
Circuit；
From the beginning of the probe unit of the second level, this class survey unit senses the first heart yearn 1a and the second heart yearn 1b of cable 1
Front end connect respectively upper level TU Trunk Unit rear terminal row the first terminal of Y, the second terminal, the first heart yearn 1a and second
The rear end of heart yearn 1b connects TU Trunk Unit front terminal the row the first terminal of X, second terminal of this grade respectively；The of sensing cable 1
The front end of three heart yearn 1c and quad 1d connect respectively the TU Trunk Unit of upper level rear terminal row the 3rd terminal of Y, the 4th
Terminal, the rear end of the 3rd heart yearn 1c and quad 1d connect respectively the 3rd terminal of TU Trunk Unit front terminal row X of this grade, the
Four terminals；
Also being provided with terminal resistance R in TU Trunk Unit 2, its two ends connect rear terminal row the 3rd terminal of Y, the 4th end respectively
Son；TU Trunk Unit 2 go forward the first terminal in terminal block X, the second terminal respectively with rear terminal row Y in the first terminal, second
Terminal short circuit；
When sensing cable 1 and using three-core structure or two-chip structure, sensing cable 1, TU Trunk Unit 2 and signal processing unit
Connected mode is the most as shown in Figure 9 and Figure 10.
Claims (5)
1. sensing cable (1), it is characterised in that including: two power supplys and signal multiplexing cable (101) and two temp.-sensing wires
Cable (102)；Temperature-sensitive cable (102) and power supply are separately provided with signal multiplexing cable (101), or at least power supply is multiple with signal
With cable (101) multiplexing temperature-sensitive cable (102)；
Temperature-sensitive cable (102) and power supply and signal multiplexing cable (101) outer wrapping waterproof insulation set (3).
Sense cable the most as claimed in claim 1, it is characterised in that
Sensing cable (1) uses quadrature arrangement, including the first heart yearn (1a), the second heart yearn (1b), the 3rd heart yearn (1c) and the 4th
Heart yearn (1d)；Quad is conductor；First heart yearn (1a) and the second heart yearn (1b) appearance parcel insulant, as two electricity
Source and signal multiplexing cable (101)；3rd heart yearn (1c) and quad (1d) appearance parcel NTC negative temperature coefficient material
(1e), and the NTC negative temperature coefficient material of the 3rd heart yearn (1c) and quad (1d) appearance connects continuously or is connected as a single entity, the
There is interval between three heart yearns (1c) and quad (1d), constitute two temperature-sensitive cables (102)；
First heart yearn (1a), the second heart yearn (1b), the 3rd heart yearn (1c) and quad (1d) be arranged in parallel or are twisted into stranded
Structure.
Sense cable the most as claimed in claim 1, it is characterised in that
Sensing cable (1) uses three-core structure, including the first heart yearn (1a), the second heart yearn (1b), the 3rd heart yearn (1c)；Three heart yearns
Being conductor, the first heart yearn (1a) appearance parcel insulant, as a power supply and signal multiplexing cable (101)；Second core
Line (1b) and the 3rd heart yearn (1c) appearance parcel NTC negative temperature coefficient material (1e), the second heart yearn (1b) and the 3rd heart yearn (1c)
The NTC negative temperature coefficient material of appearance connects continuously or is connected as a single entity, between existing between the second heart yearn (1b) and the 3rd heart yearn (1c)
Every, constitute two temperature-sensitive cables (102)；Second heart yearn (1b) concurrent multiplexing of appearance parcel NTC negative temperature coefficient material, as
Another root power supply and signal multiplexing cable (101)；
First heart yearn (1a), the second heart yearn (1b), the 3rd heart yearn (1c) be arranged in parallel or are twisted into lay configuration.
Sense cable the most as claimed in claim 1, it is characterised in that
Sensing cable (1) uses two-chip structure, including the first heart yearn (1a), the second heart yearn (1b)；Two heart yearns are conductor；First
Heart yearn (1a) and the second heart yearn (1b) appearance parcel NTC negative temperature coefficient material (1e), and the first heart yearn (1a) and the second heart yearn
(1b) the NTC negative temperature coefficient material of appearance connects continuously or is connected as a single entity, between the first heart yearn (1a) and the second heart yearn (1b)
There is interval, constitute two temperature-sensitive cables (102)；Two power supplys and signal multiplexing cable (101) and two temperature-sensitive cables (102)
Multiplexing；
First heart yearn (1a), the second heart yearn (1b) be arranged in parallel or are twisted into lay configuration.
Sense cable the most as claimed in claim 1, it is characterised in that
Sensing cable (1) uses quadrature arrangement, including the first heart yearn (1a), the second heart yearn (1b), the 3rd heart yearn (1c) and the 4th
Heart yearn (1d)；Quad is conductor；First heart yearn (1a) and the second heart yearn (1b) appearance parcel insulant, as two electricity
Source and signal multiplexing cable (101)；3rd heart yearn (1c) and quad (1d) appearance parcel NTC negative temperature coefficient material
(1e), and the NTC negative temperature coefficient material of the 3rd heart yearn (1c) and quad (1d) appearance connects continuously or is connected as a single entity, the
There is interval between three heart yearns (1c) and quad (1d), constitute two temperature-sensitive cables (102)；
Two power supplys twist together formation the first lay configuration, two temperature-sensitive cable (102) strands with signal multiplexing cable (101)
It is combined formation the second lay configuration；First lay configuration and the second lay configuration be arranged in parallel, outer wrapping waterproof insulation set
(3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598989.5U CN205788617U (en) | 2016-06-17 | 2016-06-17 | Sensing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598989.5U CN205788617U (en) | 2016-06-17 | 2016-06-17 | Sensing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205788617U true CN205788617U (en) | 2016-12-07 |
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ID=58132162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620598989.5U Active CN205788617U (en) | 2016-06-17 | 2016-06-17 | Sensing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205788617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820228A (en) * | 2019-01-15 | 2019-05-31 | 云南省烟草公司大理州公司 | The bulk curing barn temperature and humidity sensing line of resistance frequency interference |
| CN111489858A (en) * | 2019-01-25 | 2020-08-04 | 清华大学 | High-temperature-resistant lead and detector using same |
-
2016
- 2016-06-17 CN CN201620598989.5U patent/CN205788617U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820228A (en) * | 2019-01-15 | 2019-05-31 | 云南省烟草公司大理州公司 | The bulk curing barn temperature and humidity sensing line of resistance frequency interference |
| CN111489858A (en) * | 2019-01-25 | 2020-08-04 | 清华大学 | High-temperature-resistant lead and detector using same |
| CN111489858B (en) * | 2019-01-25 | 2021-12-31 | 清华大学 | High-temperature-resistant lead and detector using same |
| US11527336B2 (en) | 2019-01-25 | 2022-12-13 | Tsinghua University | High temperature resistant wire and detector using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xing Inventor after: Song Zhen Inventor after: Liu Zhongshun Inventor before: Liu Xing Inventor before: Xiong Donghong Inventor before: Liu Zhongshun |
|
| COR | Change of bibliographic data |