CN1971223A - Temperature measuring cable - Google Patents
Temperature measuring cable Download PDFInfo
- Publication number
- CN1971223A CN1971223A CN200610070555.9A CN200610070555A CN1971223A CN 1971223 A CN1971223 A CN 1971223A CN 200610070555 A CN200610070555 A CN 200610070555A CN 1971223 A CN1971223 A CN 1971223A
- Authority
- CN
- China
- Prior art keywords
- cable
- sensor chip
- measuring temperature
- lead
- oversheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses an electric detection means, specifically a thermometry cable. The thermometry cable includes temperature sensor chip at least, protecting node which is out of the sensor chip and directing line which is connected with the sensor chip, the specific characteristics are: said top end of the directing line is T type injection part, the two sides of the T type injection part are two-core waterproof sealing connector, a circuit board which is connected with the left and right two-core connectors and the directing line is mounted in the inner of the T type injection part; the sensor chip is a digital temperature sensor chip which integrates the temperature sensor and signal pickup circuit, analog-to-digital conversion circuit. The invention has high accuracy, strong interference immunity, corrosion prevention, flexibility, tension; it can be widely used in various signals sensing system of temperature monitoring and detecting system, such as warehousing, agriculture, fisheries industry, mining industry.
Description
(1) technical field
The present invention relates to a kind of electronic detecting device, particularly a kind of cable for measuring temperature.
(2) background technology
It is that temperature element and output lead are formed by connecting that present cable for measuring temperature adopts thermistor, PN junction or thermopair, these cable for measuring temperature ubiquity entire system complex structures, implies that the trouble spot is many, temperature duplicate detection error is big; The cable interface place is difficult for sealing, and corrosion resistivity is poor; Serviceable life is short, influences the thermometric effect.
(3) summary of the invention
The present invention provides the cable for measuring temperature of a kind of precision height, strong interference immunity, good seal performance in order to remedy the deficiencies in the prior art.
The present invention is achieved through the following technical solutions:
A kind of cable for measuring temperature, comprise the lead that at least one temperature sensor chip, the outer protection of sensor chip save and be connected with sensor chip, it is characterized in that: part is annotated for the T type in the top of described cable for measuring temperature, the both sides that the T type is annotated part are two core waterproof sealing connectors, the T type annotate part inside have one respectively with about the circuit board that is connected of two core connectors, lead; Sensor chip is the digital temperature sensor chip that temperature sensor and signal acquisition circuit, simulation and digital quantity change-over circuit integrate.
Cable for measuring temperature main body of the present invention adopts extrusion molding sheath mode.Described lead is an aircraft cable, and it also plays a part to improve tensile strength simultaneously, and the wire rope outside is a high pressure polyethylene extrusion molding sheath.The end of wire rope is to stretch out the outer aircraft cord wire becket bridle of sheath, plays a part to carry it in the measured object.
Cable for measuring temperature digital sensing chip of the present invention place adopts the particular manufacturing craft injection moulding.Described oversheath place cuts the oversheath breach earlier to keep aircraft cable on cable main, the digital sensing chip is colded pressing, is welded on the aircraft cable, and the back is by particular manufacturing craft injection moulding typing.
Cable for measuring temperature of the present invention, described oversheath and protection joint adopt extrusion molding and injection moulding formula totally-enclosed encapsulation respectively.Described oversheath and protection joint be shaped as oblateness or circle.The material of described protection joint and oversheath is hp-ldpe or Polyvinylchloride.
The characteristic of cable for measuring temperature of the present invention:
Digital sensor: directly export digital signal, exempt and to disturb in the transmission and error that signal attenuation produces, accurately and reliably, life-span length, no temperature drift.
Temperature-measuring range is wide: temperature-measuring range is at-55 ℃---between+125 ℃.
Good reproducibility: temperature measurement accuracy is at 0.1 ℃, and error is no more than ± and 0.6 ℃.
High reliability: digital transducer imparting system high stability.
Structure is simple and direct: simple two cored structures (can change according to user's request), temperature sensor are all and be listed on two parallel zinc-plated aircraft cables.The plugging mode connection is made up in employing hand in hand between cable and the cable, method is simple and direct, flexible, and System Expansion is simple and easy to do.
The external form smoothness: the cross section all is oval, and resistance is little, and is not fragile, easy-maintaining.
Material is durable: the material quality height, and cable for measuring temperature intensity is good, and electrostatic prevention is ageing-resistant, smooth abrasion-proof.Resistance to corrosion is strong, and is sturdy and durable, the cost performance height.
Sealing is strong: the both sides of cable T type end are the waterproof sealing connector, link to each other with next root cable by lead-in wire, and it is reliable to connect sealing, and interface has good resistance to corrosion.
The present invention is mainly by the digital temperature sensor integrated chip, the aircraft cable that tensile strength is high, and extrusion molding, injection moulding sealing oversheath, waterproof sealing connector four parts are formed, and display with the form of special-shaped cable.This cable also has good flexible, leakproofness, insulativity, soundness except that characteristics such as having anti-electromagnetic field interference, anti shock and vibration, acid-alkali-corrosive-resisting, precision height, anti-lightning strike, waterproof and dustproof, electrostatic prevention, easily install, be non-maintaining.
The present invention can be widely used in that all kinds of warehousing industries, agricultural, fishery, mining industry etc. are fresh-keeping, in the signal sensing system of environment, the monitoring of implement equitemperature, detection system.
(4) description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention;
The master that Fig. 2 annotates part for T type of the present invention looks synoptic diagram;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 looks synoptic diagram for the present invention protects the master of joint;
Fig. 5 looks synoptic diagram for the left side of Fig. 4;
Fig. 6 looks synoptic diagram for the master of rear end of the present invention;
Fig. 7 looks synoptic diagram for the left side of Fig. 6.
Among the figure, 1 chip, 2 protection joints, 3 leads, 4 T types are annotated part, 5 connectors, 6 circuit boards, 7 oversheaths, 8 becket bridles, 9 pins.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises at least one digital temperature sensor chip 1; protection joint 2 outside the sensor chip 1 and the lead 3 that is connected with sensor chip 1; part 4 is annotated for the T type in the top of cable for measuring temperature; the both sides that the T type is annotated part 4 are two core waterproof sealing connectors 5; the T type annotate part 4 inside have one respectively with about the circuit board 6 that is connected of two core connectors 5, lead 3, the circuit protective device is arranged on the circuit board.Sensor chip 1 is the digital temperature sensor chip that is integrated by temperature sensor and signal acquisition circuit, simulation and digital quantity change-over circuit.Lead 3 is an aircraft cable, and wire rope is outward an oversheath 7, and the end of wire rope is the wire line thimble 8 that stretches out outside the oversheath 7.
(sensor chip 1 is integrated by temperature sensor and signal acquisition circuit, simulation and digital quantity change-over circuit etc. this cable for measuring temperature according to built-in several the digital formula temperature sensor chips 1 of field requirement, the DS18B20 that for example adopts U.S. DALLAS company to produce), be output as digital signal, stability, consistance is very good, change the unsettled phenomenon of analog signal transmission data, be not subject to extraneous factor and disturb.Each chip 1 has three pins 9, can be divided into two kinds of usages according to different communications protocol: one is that three pins 9 connect three leads 3 (being three-wire system) respectively, the 2nd, middle pin connects a lead 3, the pin on both sides is the situation of two-wire system also to connecing a lead (being two-wire system) together shown in the accompanying drawing.All digital transducers can be scattered in corresponding distance by field demand.Sensor chip protection joint 2 on the cable for measuring temperature adopts injection moulding formula totally-enclosed encapsulation.
For the tensile strength of cable, above-mentioned lead is adopted aircraft cable, the diameter of wire rope is decided according to field requirement.That the material that oversheath 7, protection joint 2, T type are annotated part 4 is all selected for use is nontoxic, tasteless, environmental protection, ageing-resistant, the environment for use temperature range is wide, cost performance is suitable hp-ldpe (HLDPE), and color can be customized according to customer requirements.
Cable for measuring temperature adopts the combination plug-in type, and measurement unit is " root ", is according to the customized cable for measuring temperature that goes out different thicknesses, different length specifications of field demand.Every upper end is that the T type is annotated part 4, is mainly used in upper and lower people's manual manipulation such as lift.The both sides of T type are two core waterproof sealing connectors 5 (hereinafter to be referred as connector), can by plug-in type lead-in wire easily with next root cable butting, going between is RVV2 * 0.3cm
2, play a part transmission signals and tension and connect, flame-proof PVC cable black jacket material, working temperature-40 ℃---+80 ℃.The T type is annotated part 4 inside a circuit board 6, respectively with about two core connectors 5, two (or three) aircraft cables be connected.What connect in the middle of the T type notes part 4 is the cable for measuring temperature main body, its cross section is the vertical bar type for oblate or circular (also can be customized according to customer requirements) outward appearance, it is the aircraft cable of 1470 newton (150kg) that inside is provided with 2, Φ 1.2mm, tensile strength, (can according to the different demands of user, the cable for measuring temperature of customized different thicknesses, different pulling force).1 fen different spacing of sensor chip is connected in parallel on the aircraft cable.Can be according to user's different demands, the position at the length of customized cable for measuring temperature, sensor place and the size of outer package.
Its manufacturing process is as follows: the cable for measuring temperature main body is the cable main that the center adopts the extrusion molding mode to make with the aircraft cable, degree of the rectificating section of being cut into (being every) as required, every is cut cable main in the relevant position and keeps aircraft cable, sensor chip 1 is colded pressing, is welded on the aircraft cable, then respectively in T type end place, sensor chip place, the particular manufacturing craft injection mo(u)lding of steel wire ring place, lower end.
Claims (7)
1. cable for measuring temperature, comprise the lead (3) that at least one temperature sensor chip (1), the outer protection of sensor chip (1) save (2) and be connected with sensor chip (1), it is characterized in that: part (4) is annotated for the T type in the top of described cable for measuring temperature, the both sides that the T type is annotated parts (4) are two core waterproof sealing connectors (5), the T type annotate part (4) inside have one respectively with about the circuit board (6) that is connected of two core connectors (5), lead (3); Sensor chip (1) is the digital temperature sensor chip that is integrated by temperature sensor and signal acquisition circuit, simulation and digital quantity change-over circuit.
2. cable for measuring temperature according to claim 1 is characterized in that: described lead (3) is an aircraft cable, and wire rope is outward an oversheath (7), and the end of wire rope is for stretching out the wire line thimble (8) outside the oversheath (7).
3. cable for measuring temperature according to claim 1 and 2 is characterized in that: described chip (1) has three pins (9), and three pins (9) connect a lead (3) respectively.
4. cable for measuring temperature according to claim 1 and 2 is characterized in that: described chip (1) has three pins (9), and middle pin connects a lead (3), and the pin on both sides also connects a lead (3) together or each pin connects a lead.
5. cable for measuring temperature according to claim 1 and 2 is characterized in that: described protection joint (2) adopts injection moulding formula and oversheath (7) to adopt extrusion moulding type totally-enclosed encapsulation.
6. cable for measuring temperature according to claim 5 is characterized in that: the cross sectional shape of described protection joint (2) and oversheath (7) is oblate shape or circle shape.
7. cable for measuring temperature according to claim 6 is characterized in that: the material of described protection joint (2) and oversheath (7) is hp-ldpe or Polyvinylchloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100705559A CN1971223B (en) | 2006-12-04 | 2006-12-04 | Temperature measuring cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100705559A CN1971223B (en) | 2006-12-04 | 2006-12-04 | Temperature measuring cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1971223A true CN1971223A (en) | 2007-05-30 |
| CN1971223B CN1971223B (en) | 2011-04-27 |
Family
ID=38112148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100705559A Expired - Fee Related CN1971223B (en) | 2006-12-04 | 2006-12-04 | Temperature measuring cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1971223B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501981A (en) * | 2014-12-10 | 2015-04-08 | 北京七芯中创科技有限公司 | Temperature sensor chip with communication function |
| CN104852169A (en) * | 2015-05-19 | 2015-08-19 | 深圳市沃尔核材股份有限公司 | Intelligent and accurate temperature measurement separable cable connector |
| CN106499348A (en) * | 2016-11-04 | 2017-03-15 | 吉林省三和电气系统工程有限公司 | A kind of testing pressure down hole measuring temp. wire cable |
-
2006
- 2006-12-04 CN CN2006100705559A patent/CN1971223B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501981A (en) * | 2014-12-10 | 2015-04-08 | 北京七芯中创科技有限公司 | Temperature sensor chip with communication function |
| CN104852169A (en) * | 2015-05-19 | 2015-08-19 | 深圳市沃尔核材股份有限公司 | Intelligent and accurate temperature measurement separable cable connector |
| CN106499348A (en) * | 2016-11-04 | 2017-03-15 | 吉林省三和电气系统工程有限公司 | A kind of testing pressure down hole measuring temp. wire cable |
| CN106499348B (en) * | 2016-11-04 | 2019-02-26 | 吉林省三和电气系统工程有限公司 | A kind of testing pressure down hole measuring temperature wire cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1971223B (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201392418Y (en) | Combined type sensing optical cable | |
| CN202133378U (en) | Fiber grating strain sensor | |
| CN1971223B (en) | Temperature measuring cable | |
| CN107144389B (en) | Embeddable strip-shaped fully-flexible multi-dimensional force sensor | |
| CN103076108A (en) | Novel power cable conductor temperature measuring sensor based on FBG (fiber bragg grating) | |
| CN201215513Y (en) | Temperature measuring electric cable | |
| CN201213075Y (en) | Electric cable having real-time temperature measuring function | |
| CN200993602Y (en) | Temperature-measuring cable | |
| CN201497523U (en) | Digital temperature and humidity detecting cable | |
| CN205229527U (en) | Power cable connects composite cable for temperature monitoring and monitoring system thereof | |
| CN105067360B (en) | A kind of composite material structure health monitoring system based on pre-buried fiber grating | |
| CN201569513U (en) | Device for measuring coal bed temperature | |
| CN113834448B (en) | Double-dynamic nested optical fiber space curvature sensor and preparation method thereof | |
| CN201903415U (en) | Six-dimension force sensing device | |
| CN2704032Y (en) | Granary optical fibre temperature-measuring cable | |
| CN210040648U (en) | Connector for calibrating digital thermometer | |
| CN204902874U (en) | Anti thump and high pressure resistant temperature and pressure sensor composite set | |
| CN114018303A (en) | Novel fiber Bragg grating probe for in-situ monitoring of hydraulic shear force | |
| CN207649787U (en) | A kind of motor temperature measuring circuit of band output isolation | |
| CN105301723A (en) | Composite optical cable used for power cable connector temperature monitoring and monitoring system thereof | |
| CN208026402U (en) | Miniature draw-press type sensor | |
| CN112379495A (en) | External fixed terminal of uniform strain sensing optical cable | |
| CN201060532Y (en) | Combined temperature-sensitive fire disaster detector | |
| CN1721822A (en) | Optical fiber resin current detection sensing unit | |
| CN203118543U (en) | Temperature monitoring control cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20121204 |