CN2809746Y - A flexible corrosion-resistant switching value linear heat sensitive detector - Google Patents
A flexible corrosion-resistant switching value linear heat sensitive detector Download PDFInfo
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- CN2809746Y CN2809746Y CN 200520113621 CN200520113621U CN2809746Y CN 2809746 Y CN2809746 Y CN 2809746Y CN 200520113621 CN200520113621 CN 200520113621 CN 200520113621 U CN200520113621 U CN 200520113621U CN 2809746 Y CN2809746 Y CN 2809746Y
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- 238000005260 corrosion Methods 0.000 title abstract description 5
- 230000007797 corrosion Effects 0.000 title abstract description 5
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 97
- 229920003023 plastic Polymers 0.000 claims abstract description 47
- 239000004033 plastic Substances 0.000 claims abstract description 47
- 238000005259 measurement Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 35
- 239000004020 conductor Substances 0.000 description 15
- 230000007704 transition Effects 0.000 description 13
- 230000009466 transformation Effects 0.000 description 10
- 239000000956 alloy Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model relates to a flexible switching value line-type temperature-sensing detector with corrosion resistance. The utility model is characterized in that the utility model is composed of memory alloy wires, meltable plastic layers, a resistance resistor signal measuring device, and an outer jacket, wherein detecting cables are formed by coating the meltable plastic layers outside the memory alloy wires; two detecting cables are twisted together; the outer jacket arranged outside the detecting cables; the signal input terminal of the resistance resistor signal measuring device is electrically connected with the memory alloy wires inside the detecting cables. The utility model has the advantages of convenient installation, reliable warning function and high corrosion resistance.
Description
Technical field
The utility model relates to a kind of flexible anti-corrosive and switching linear temperature-sensing detector, this detector adopts memory alloy wire to replace the elastic conductor of traditional on-off value linear detector, improved the reliability of detector, and reduced the false alarm of line style detector itself and failed to report the police.
Background technology
The traditional on-off value linear temperature-sensitive detector that uses is a kind of broad-spectrum fire detector at present, accompanying drawing 1 and accompanying drawing 2 have shown the structure and the principle of work of traditional on-off value linear temperature-sensitive detector, in this detector, an oversheath 1 is arranged, there are two (or three in this sheath, four) elastic conductor 3 twists together, the conductor outside coats with the plastic layer 2 of certain melting point, when exploration cable is heated, after temperature acquires a certain degree, softening or the thawing of plastics under the elastic force effect of elastic conductor, is in contact with one another between the conductor, promptly be short-circuited, thereby reach the purpose of fire alarm.The advantage of this detector is: after the temperature of any reaches the alarm temperature of setting arbitrarily on the exploration cable; but exploration cable is short-circuit alarming all; detector alarm sensitivity is irrelevant with the length of being heated, and therefore the detection sensitivity of the fire that object of protection local overheating or external burning things which may cause a fire disaster are caused is very high.One of shortcoming is that no matter under normal circumstances or its elasticity is equally big, simultaneously harder, crisp when being in the environment of alarm temperature elastic conductor in installing and using process, be afraid of very much mechanical external force, and difficulty of construction is big in this heat detector.Two of shortcoming is that the elastic conductor of this heat detection cable gets rusty easily, thereby has increased the resistance value of conductor and wiring point, has reduced the reliability of reporting to the police widely.For this reason, need to propose a kind of flexible anti-corrosive and switching linear heat detection.
Summary of the invention
The purpose of this utility model is to provide a kind of flexible anti-corrosive and switching linear temperature-sensing detector, this detector adopts the elastic conductor (, two or three) of memory alloy wire place of switches amount line style detector, the memory alloy wire that is adopted flexibility under the conventional temperature range of design is fine, and (conventional temperature range refers to memory alloy wire phase transition temperature scope, its phase transition temperature A
fDesign load can in 40～120 ℃ of scopes, select to set), to become very big in case surpass the rigidity of this phase transition temperature memory alloy wire, and the corrosion resistance of this memory alloy wire is better than the used elastic conductor of traditional on-off value linear temperature-sensitive detector.Can improve the reliability of detector, the false alarm of detector itself and fail to report the police.
The purpose of this utility model is realized by following technical proposals: a kind of flexible anti-corrosive and switching linear temperature-sensing detector, form by memory alloy wire, meltable plastic layer, resistance signal measurement mechanism, oversheath, the plastic layer that described memory alloy wire outside coats meltable constitutes exploration cable, two described exploration cables twist together, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with memory alloy wire in the described exploration cable.
The purpose of this utility model can also be realized by following technical proposals: a kind of flexible anti-corrosive and switching linear temperature-sensing detector, it is characterized in that: form by memory alloy wire, meltable plastic layer, resistance signal measurement mechanism, oversheath, the plastic layer that described memory alloy wire outside coats meltable constitutes exploration cable, three described exploration cables twist together, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with memory alloy wire in the described exploration cable.
Compared with the prior art the utility model has following advantage:
1, because the utility model has adopted the memorial alloy wire material on same switching value heat detector, under its normal temperature, elasticity is little, flexible good, therefore be convenient to install, be not subject to external force and produce false alarm, in case very big above its its rigidity of phase transition temperature value and elasticity, the extrusion principle of elastic force makes it have the Normal Alarm function, and can effectively reduce the false alarm of on-off value linear temperature-sensitive detector itself under the normal temperature.
2, because the memorial alloy wire material that the utility model adopts itself has corrosion resistivity, resistance value can great changes will take place during fire, can effectively reduce the false alarm of on-off value linear temperature-sensitive detector itself.
3,, improved the reliability of on-off value linear temperature-sensitive detector greatly because the elasticity variation characteristic of the memorial alloy wire material that the utility model adopts itself.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1, traditional on-off value linear temperature-sensitive detector structural representation
Fig. 2, traditional on-off value linear temperature-sensitive detector sectional view (sectional view of Fig. 1)
Fig. 3, heat detector structural representation of the present utility model
Fig. 4, heat detector sectional view of the present utility model (sectional view of Fig. 3)
The structural representation of Fig. 5, heat detector embodiment two of the present utility model
The sectional view of Fig. 6, heat detector embodiment two of the present utility model (sectional view of Fig. 5)
The structural representation of Fig. 7, heat detector embodiment three of the present utility model
The sectional view of Fig. 8, heat detector embodiment three of the present utility model (sectional view of Fig. 7)
The structural representation of Fig. 9, heat detector embodiment four of the present utility model
The sectional view of Figure 10, heat detector embodiment four of the present utility model (sectional view of Fig. 9)
The structural representation of Figure 11, heat detector embodiment five of the present utility model
The sectional view of Figure 12, heat detector embodiment five of the present utility model (sectional view of Figure 11)
Embodiment
Referring to Fig. 3; Fig. 4; heat detector of the present utility model; by memory alloy wire 7; 8; meltable plastic layer 5; 6; resistance signal measurement mechanism 9; oversheath 4 is formed; the plastic layer 6 that described memory alloy wire 7 outsides coat meltable constitutes an exploration cable; the plastic layer 5 that described memory alloy wire 8 outsides coat meltable constitutes another root exploration cable; formula stranded (winding) is together in the shape of a spiral for two described exploration cables; described oversheath is arranged on described two exploration cables outside; memory alloy wire and meltable plastic layer all are coated on the oversheath the inside, and this oversheath is a plastic protective layer.Memory alloy wire 7,8 in the signal input part of described resistance signal measurement mechanism 9 and the described exploration cable is electrically connected (being connected standard routinely connects).This resistance signal measurement mechanism is connected resistance and the short-circuit conditions that is used to measure between described two memory alloy wires with described memory alloy wire.Described memory alloy wire flexibility is fine under conventional temperature, and the conventional temperature range of present embodiment design is 10 ℃～30 ℃, and when described detector is heated, its temperature rises thereupon, when temperature reaches memory alloy wire phase transition temperature A
fThe time, the elasticity phase transformation takes place in memory alloy wire 7 and memory alloy wire 8, has very big elastic force, reach the meltable plastic layer and take place softening or during the temperature of melting when temperature continue to rise, under the elastic force effect of memory alloy wire, two memory alloy wires are in contact with one another, and promptly are short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm.In the present embodiment, described memory alloy wire can adopt a kind of in Ultimum Ti, NiTi copper memorial alloy, iron-based memorial alloy, the copper-based memory alloy material.The phase transition temperature A of this memory alloy wire
fDesign value be 45 ℃～100 ℃, oxidation resistance is preferably arranged, be difficult for getting rusty.In the present embodiment, the described insulation course that melts can adopt a kind of in low density polyethylene, high density polyethylene, polypropylene, the polyvinyl chloride material.
In order to reduce the cost of detector, in the present embodiment, the technical scheme that can also adopt memory alloy wire and plain metal silk or conductor to use with, in two exploration cables, one is used plain metal silk or conductor, and another root uses memory alloy wire.
Referring to Fig. 5 and Fig. 6, in second embodiment of the present utility model, detector is made up of memory alloy wire 14,15,16, meltable plastic layer 11,12,13, resistance signal measurement mechanism 17, oversheath 10, described memory alloy wire outside coats the meltable plastic layer, three memory alloy wires formula in the shape of a spiral twist together, and the signal input part of described resistance signal measurement mechanism is connected with described memory alloy wire.In the present embodiment, every memory alloy wire outside coats exploration cable of plastic layer formation of a meltable, three described exploration cables formula in the shape of a spiral twist together, oversheath 10 is an ambroin, described memory alloy wire and meltable plastic layer all are coated on the inside, and the signal input part of resistance signal measurement mechanism is connected resistance and the short-circuit conditions that is used to measure between described three memory alloy wires with described memory alloy wire.Described memory alloy wire flexibility is fine under conventional temperature, and when described detector is heated, its temperature rises thereupon, when temperature reaches memory alloy wire phase transition temperature A
fThe time, the phase transformation of three memory alloy wire generation elasticity, the meltable plastic layer takes place softening or melts simultaneously.Under the elastic force effect of memory alloy wire, three memory alloy wires are in contact with one another, and promptly are short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm.
In the present embodiment, can also design the phase transition temperature value of memory alloy wire 14,15,16 respectively, and design the softening or melt temperature value of meltable plastic layer 11,12,13 respectively.Be the phase transition temperature A of memory alloy wire 14,15
fValue is designed to 45 ℃～80 ℃, and the softening or melt temperature value of the meltable plastic layer 11,12 of its outside is designed to 80 ℃.The phase transition temperature value that is memory alloy wire 16 is designed to 85 ℃～120 ℃, and the softening or melt temperature value of the meltable plastic layer 13 of its outside is designed to 120 ℃.When described detector is heated its temperature when reaching 80 ℃, memory alloy wire 14,15 is in contact with one another, and is short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm for the first time.At this moment, the elasticity phase transformation does not still take place in memory alloy wire 16, and softening or thawing does not take place the meltable plastic layer 13 of outside.When temperature reached 120 ℃, the elasticity phase transformation took place in memory alloy wire 16, and meltable plastic layer 13 takes place softening or melts simultaneously, is in contact with one another with memory alloy wire 14,15, was short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm for the second time.
Referring to Fig. 7 and Fig. 8, in the detector of the utility model enforcement three, by three memory alloy wires, the meltable plastic layer, the resistance signal measurement mechanism, oversheath is formed, two memory alloy wires 21 wherein, the independent respectively plastic layer 19 that coats meltable in 23 outsides, 20 constitute an exploration cable separately, a memory alloy wire 22 wherein constitutes bare wire formula exploration cable, two described exploration cables and bare wire formula exploration cable formula in the shape of a spiral twist together, described oversheath 18 is arranged on described exploration cable outside, oversheath is an ambroin, described memory alloy wire and meltable plastic layer all are coated on the inside, and the signal input part of described resistance signal measurement mechanism 24 is electrically connected with memory alloy wire in the described exploration cable.In the present embodiment, the phase transition temperature value of memory alloy wire 21,23 is designed to 45 ℃～80 ℃, and the softening or melt temperature value of the meltable plastic layer of its outside is designed to 80 ℃.When described detector was heated, its temperature rose thereupon, when temperature reaches design temperature, and the phase transformation of memory alloy wire generation elasticity, while or temperature continue to reach the meltable plastic layer temperature softening or that melt take place.Under the elastic force effect of memory alloy wire, three memory alloy wires are in contact with one another, and promptly are short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm.
In the present embodiment, the phase transition temperature value of memory alloy wire 21,22 can also be designed to 45 ℃～80 ℃, the softening or melt temperature value of the meltable plastic layer of its outside is designed to 80 ℃.The phase transition temperature value of memory alloy wire 23 is designed to 80 ℃～120 ℃, and the softening or melt temperature value of the meltable plastic layer of its outside is designed to 120 ℃.When described detector was heated, its temperature rose thereupon, when temperature reaches first order design temperature, the elasticity phase transformation takes place in memory alloy wire 21,22, memory alloy wire 21,22 is in contact with one another, and promptly is short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm for the first time; When temperature reached second level design temperature, the elasticity phase transformation took place in memory alloy wire 23, and memory alloy wire 21,22,23 is in contact with one another, and was short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm for the second time.
In order to reduce the cost of detector, in the present embodiment, the technical scheme that can also adopt memory alloy wire and plain metal silk to use with, promptly described non-bare wire formula exploration cable adopts the plain tinsel of charcoal or spring steel wire or other conductor.
Referring to Fig. 9, Figure 10, in the detector of the utility model enforcement four, form by memory alloy wire, tinsel, meltable plastic layer, resistance signal measurement mechanism, oversheath, the plastic layer 27 that described tinsel 28 outsides coat meltable constitutes the tinsel exploration cable, bare wire formula exploration cable that constitutes by described memory alloy wire 26 of the outer winding of this exploration cable, described oversheath 25 is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism 29 is electrically connected with tinsel and memory alloy wire in the described exploration cable.Described tinsel can adopt the plain tinsel of charcoal, spring steel wire or conventional conductor.When described detector is heated, its temperature rises thereupon, when temperature reaches design temperature, the phase transformation of memory alloy wire generation elasticity, simultaneous temperature reaches the meltable plastic layer temperature softening or that melt takes place, memory alloy wire and tinsel are in contact with one another, and promptly are short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm.
Referring to Figure 11 and Figure 12, in the detector of the utility model enforcement five, by memory alloy wire, tinsel, the meltable plastic layer, the resistance signal measurement mechanism, oversheath is formed, described two one metal wires 34, the independent respectively plastic layer 32 that coats meltable in 35 outsides, 33 constitute the tinsel exploration cable separately, bare wire formula exploration cable that constitutes by described memory alloy wire 31 of the outer winding of this exploration cable, described oversheath 30 is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism 36 is electrically connected with tinsel and memory alloy wire in the described exploration cable.Described tinsel can adopt the plain tinsel of charcoal, spring steel wire or conventional conductor.When described detector is heated, its temperature rises thereupon, when temperature reaches design temperature, the phase transformation of memory alloy wire generation elasticity, simultaneously, the meltable plastic layer takes place softening or melts, under the elastic force effect of memory alloy wire, memory alloy wire and tinsel are in contact with one another, and are short-circuited, and the resistance signal measurement mechanism will produce and export fire alarm.
In the present embodiment, also can coat the meltable plastics 32,33 of two temperature grades in tinsel 34,35 outsides respectively, when temperature reaches first design load (low temperature), the phase transformation of memory alloy wire generation elasticity, the meltable plastic layer 32 of tinsel 34 outsides takes place softening or melts simultaneously.Memory alloy wire and tinsel 34 are in contact with one another, and promptly are short-circuited, and the resistance signal measurement mechanism will produce and export first fire alarm.When temperature reaches second design load (high temperature), the meltable plastic layer 33 of tinsel 35 outsides takes place softening or melts, under the elastic force effect of memory alloy wire, memory alloy wire and tinsel 34,35 are in contact with one another, be short-circuited, the resistance signal measurement mechanism will produce and export second fire alarm.
Claims (6)
1, a kind of flexible anti-corrosive and switching linear temperature-sensing detector, it is characterized in that: form by memory alloy wire, meltable plastic layer, resistance signal measurement mechanism, oversheath, the plastic layer that described memory alloy wire outside coats meltable constitutes exploration cable, two stranded being intertwined of described exploration cable, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with memory alloy wire in the described exploration cable.
2, heat detector according to claim 1, it is characterized in that: three described exploration cables twist together, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with memory alloy wire in the described exploration cable.
3, a kind of flexible anti-corrosive and switching linear temperature-sensing detector, it is characterized in that: by three memory alloy wires, the meltable plastic layer, the resistance signal measurement mechanism, oversheath is formed, the independent respectively plastic layer that coats meltable in two memory alloy wire outsides wherein constitutes an exploration cable separately, a memory alloy wire wherein constitutes bare wire formula exploration cable, two described exploration cables and bare wire formula exploration cable twist together, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with memory alloy wire in the described exploration cable.
4, heat detector according to claim 3 is characterized in that: described non-bare wire formula exploration cable adopts the plain tinsel of charcoal.
5, a kind of flexible anti-corrosive and switching linear temperature-sensing detector, it is characterized in that: form by memory alloy wire, tinsel, meltable plastic layer, resistance signal measurement mechanism, oversheath, the plastic layer that described tinsel outside coats meltable constitutes the tinsel exploration cable, bare wire formula exploration cable that constitutes by described memory alloy wire of the outer winding of this exploration cable, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with tinsel and memory alloy wire in the described exploration cable.
6, flexible compound on-off value linear temperature-sensitive detector according to claim 5, it is characterized in that: the independent respectively plastic layer that coats meltable in described two one metal wires outside constitutes the tinsel exploration cable separately, bare wire formula exploration cable that constitutes by described memory alloy wire of the outer winding of this exploration cable, described oversheath is arranged on described exploration cable outside, and the signal input part of described resistance signal measurement mechanism is electrically connected with tinsel and memory alloy wire in the described exploration cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113621 CN2809746Y (en) | 2005-07-12 | 2005-07-12 | A flexible corrosion-resistant switching value linear heat sensitive detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520113621 CN2809746Y (en) | 2005-07-12 | 2005-07-12 | A flexible corrosion-resistant switching value linear heat sensitive detector |
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| CN2809746Y true CN2809746Y (en) | 2006-08-23 |
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| CN 200520113621 Expired - Lifetime CN2809746Y (en) | 2005-07-12 | 2005-07-12 | A flexible corrosion-resistant switching value linear heat sensitive detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008067690A1 (en) * | 2006-12-06 | 2008-06-12 | Weishe Zhang | A linear temperature-sensing element with windows on an insulating layer |
| CN102636734A (en) * | 2012-05-08 | 2012-08-15 | 广西达科建筑智能工程有限公司 | Low-voltage electric fire prevention and detection device |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
-
2005
- 2005-07-12 CN CN 200520113621 patent/CN2809746Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008067690A1 (en) * | 2006-12-06 | 2008-06-12 | Weishe Zhang | A linear temperature-sensing element with windows on an insulating layer |
| CN102636734A (en) * | 2012-05-08 | 2012-08-15 | 广西达科建筑智能工程有限公司 | Low-voltage electric fire prevention and detection device |
| CN102636734B (en) * | 2012-05-08 | 2014-01-29 | 广西达科建筑智能工程有限公司 | Low-voltage electric fire prevention and detection device |
| CN110911040A (en) * | 2019-12-25 | 2020-03-24 | 江苏江扬线缆有限公司 | Cable for new energy automobile and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SURELAND INDUSTRIAL FIRE SAFETY CO., LTD Free format text: FORMER OWNER: ZHANG WEISHE Effective date: 20090724 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090724 Address after: BeiJing Capital Airport South Industrial Zone Banbidian Lee Road No. 22, zip code: 101304 Patentee after: Sureland Industry Fire-Fighting Co., Ltd. Address before: 29-4-201, Sheng Bei Bei, Beijing, Chaoyang District, 100029 Co-patentee before: Li Gangjin Patentee before: Zhang Wei |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flexible anti-corrosive and switching linear temperature-sensing detector Effective date of registration: 20121010 Granted publication date: 20060823 Pledgee: Bank of America Ltd. Shanghai branch Pledgor: Sureland Industry Fire-Fighting Co., Ltd. Registration number: 2012990000591 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150712 Granted publication date: 20060823 |
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| EXPY | Termination of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171114 Granted publication date: 20060823 Pledgee: Bank of America Ltd. Shanghai branch Pledgor: Sureland Industry Fire-Fighting Co., Ltd. Registration number: 2012990000591 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |