CN200993602Y - Temperature-measuring cable - Google Patents
Temperature-measuring cable Download PDFInfo
- Publication number
- CN200993602Y CN200993602Y CN200620160994.4U CN200620160994U CN200993602Y CN 200993602 Y CN200993602 Y CN 200993602Y CN 200620160994 U CN200620160994 U CN 200620160994U CN 200993602 Y CN200993602 Y CN 200993602Y
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- CN
- China
- Prior art keywords
- cable
- lead
- measuring temperature
- oversheath
- sensor chip
- 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.)
- Expired - Fee Related
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses an electronic detecting device, more particularly a cable for measuring temperature, which comprises at least one temperature sensor chipset, a protective node out of the sensor chipset and leads connected with the sensor chipset and is characterized in that: A T-shaped cast is arranged on top of the lead. A two-core waterproof sealing socket connector is respectively arranged on both lateral faces of the T-shaped cast. In addition, a circuit board respectively connected the left and right two-core waterproof sealing socket connectors and leads is positioned in the T-shaped cast. The sensor chipset is a digital temperature sensor chipset composed of a temperature sensor, a signal sampling circuit and an analog/digital quantity converting circuit. The utility model has the advantages of high accuracy, strong anti-interference, anticorrosion, great flexibility and tensile strength and is widely applicable to signal sensing system for temperature monitoring and detecting system of fresh-keeping, environmental and operation equipment in warehouse, agriculture, fishery, mining, etc.
Description
(1) technical field
The utility model 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 utility model 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 utility model is achieved by the following technical solution:
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 utility model 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 utility model 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 utility model, 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 the utility model cable for measuring temperature:
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 utility model 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 utility model 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
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
The master that Fig. 2 annotates part for the utility model T type looks synoptic diagram;
Fig. 3 is the schematic top plan view of Fig. 2;
Fig. 4 looks synoptic diagram for the master of the utility model protection joint;
Fig. 5 looks synoptic diagram for the left side of Fig. 4;
Fig. 6 looks synoptic diagram for the master of the utility model rear end;
Fig. 7 looks synoptic diagram for the left side of Fig. 6.
Among the figure, 1 chip, 2 protection joints, 3 leads, the 4T type is 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 utility model.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 |
|---|---|---|---|
| CN200620160994.4U CN200993602Y (en) | 2006-12-04 | 2006-12-04 | Temperature-measuring cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620160994.4U CN200993602Y (en) | 2006-12-04 | 2006-12-04 | Temperature-measuring cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993602Y true CN200993602Y (en) | 2007-12-19 |
Family
ID=38946676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620160994.4U Expired - Fee Related CN200993602Y (en) | 2006-12-04 | 2006-12-04 | Temperature-measuring cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993602Y (en) |
-
2006
- 2006-12-04 CN CN200620160994.4U patent/CN200993602Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20071219 Termination date: 20111204 |