CN105181161A - Line temperature measurement component lead overlapping and installation method - Google Patents
Line temperature measurement component lead overlapping and installation method Download PDFInfo
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- CN105181161A CN105181161A CN201510484799.0A CN201510484799A CN105181161A CN 105181161 A CN105181161 A CN 105181161A CN 201510484799 A CN201510484799 A CN 201510484799A CN 105181161 A CN105181161 A CN 105181161A
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Abstract
The invention designs a line temperature measurement component lead overlapping and installation method. A lead and a temperature measurement component pin are overlapped. At a lap joint, two layers of heat-shrinkable casing pipes are used to carry out blow shrinking and then close contacting and fixing are realized. A hot connection point of a temperature measurement component and an isothermal segment are preliminarily pasted on an installing surface of an apparatus to be measured through glue and a room temperature vulcanized silicone rubber is used to carry out fixing. Through the line temperature measurement component lead overlapping and installation method, one bus is used to connect hundreds of whole-spacecraft temperature measurement sensors in a serial mode. Through thermally controlling a lower computer, a temperature value of a temperature sensor is directly read. A temperature acquisition converting circuit design of master control equipment is simplified and simultaneously weight of a whole-spacecraft temperature measurement cable is mitigated.
Description
Technical field
The invention belongs to satellite temperature control technology field, relate to a kind of line thermometric component down-lead overlap joint and installation method.
Background technology
In recent years, day by day complicated along with moonlet function, moonlet or the demand of microsatellite heat control system to whole star thermometric quantity also increasing, the thermometric way of a current star has exceeded 200 tunnels.Traditional moonlet temperature measurement circuit adopts thermistor as temperature sensor, each thermistor needs to draw two cables from main control equipment, the connected mode of contact pin, jack is adopted between cable and thermistor, this point-to-point cabled manner cabling is complicated, cable general assembly (TW) also reaches several kilograms, and using trouble, contact pin jack is easy to the problem of being short-circuited.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of line thermometric component down-lead overlap joint and installation method is proposed, by a bus by connected in series for a whole star hundreds of temperature probe, by the temperature value that the direct reading temperature sensor of thermal control slave computer produces, simplify the temperature acquisition circuit design of main control equipment, alleviate the weight of whole star cable for measuring temperature simultaneously.
Above-mentioned purpose of the present invention is achieved by following technical solution:
One line thermometric component down-lead overlap joint and installation method, described line thermometric components and parts comprise the 1st pin, the 2nd pin, the 3rd pin, hot junction and isothermal section, comprise the steps:
Step (one), use lead-in wire overlap with line thermometric components and parts the 1st pin, the 2nd pin, the 3rd pin, and concrete gage lap method is as follows:
(a), by line thermometric components and parts the 1st pin, the 3rd pin horizontal curvature 90 ° laterally, then 90-degree bent downward vertically, and ensure that the vertical length of the 1st pin, the 2nd pin, the 3rd pin is equal;
B (), use lead-in wire overlap with the 1st pin, the 2nd pin, the 3rd pin, and lead-in wire and the 1st pin, the 2nd pin, the 3rd pin close contact position are welded together;
(c), all use the coated protection of two-layer heat-shrinkable T bush in the lap-joint of line thermometric components and parts the 1st pin, the 2nd pin, the 3rd pin and lead-in wire, contracted by hot blow, after making contraction, heat-shrinkable T bush is close to and is wrapped by position;
Step (two), the hot junction of line thermometric components and parts and isothermal section to be fixed on and to treat temperature-measurement material mounting surface, a concrete line thermometric component mounting method is as follows:
(a), will treat that the position that temperature-measurement material installs line thermometric components and parts realizes surface electrical insulation;
(b), the hot junction of line thermometric components and parts and isothermal section be placed on and treat temperature-measurement material electrical isolation surface, and to be pre-fixed by bonding;
(c), room temperature vulcanized silicone rubber covered be applied to the upper surface of hot junction and isothermal section, line thermometric components and parts are fixed on and treat temperature-measurement material mounting surface, and realize solidifying completely.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, the 1st pin of described lead-in wire and line thermometric components and parts, the 2nd pin, the 3rd pin welding position length are 4-6mm.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, described heat-shrinkable T bush selects specification and lap-joint's diameter to match, and before shrinking, the internal diameter of heat-shrinkable T bush is greater than the maximum gauge of lap-joint, is close to and is wrapped by position after contraction.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, described room temperature vulcanized silicone rubber is under room temperature is not less than the environment of 20 DEG C, and set time is 23-25h, and under the environment of room temperature lower than 20 DEG C, set time is 35-37h.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, in described step (two) (a), as treated, temperature-measurement material is metal material, treat that temperature-measurement material surface needs the position Continuous pressing device for stereo-pattern of installation one line thermometric components and parts at metal, realize treating that temperature-measurement material installs the electrical isolation of a line thermometric components and parts portion faces; As treated, temperature-measurement material is nonmetallic materials, does not need treating temperature-measurement material surface mount adhesive tape.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, in described step (two) (c), as treated, temperature-measurement material is metal material, by smearing room temperature vulcanized silicone rubber, one line thermometric components and parts are fixed on metal after temperature-measurement material mounting surface, adopt and treat that the plastic film covering of temperature-measurement material same material is in the upper surface of the hot junction and isothermal section of smearing room temperature vulcanized silicone rubber with metal, realize solidifying completely; As treated, temperature-measurement material is nonmetallic materials, does not need to cover and the film treating temperature-measurement material same material.
The present invention compared with prior art beneficial effect is:
(1) the present invention adopts a line temperature measuring device DS18B20 thermometric, improves temperature measurement accuracy, reduces cost simultaneously;
(2) the present invention is by bending line thermometric components and parts the 1st pin, the 3rd pin, can prevent from contacting with each other between three pins the phenomenon that is short-circuited, handled easily, achieves safety effect easy to operate;
(3) the present invention's lead-in wire is 4-6mm with the 1st pin, the 2nd pin, the 3rd pin welding position length, make to weld between lead-in wire with pin more firm, welding profile is relatively attractive in appearance, avoids occurring projection, achieves Optimal Temperature conduction and test effect simultaneously;
(4) the present invention is by a bus by connected in series for a whole star hundreds of temperature probe, alleviates the weight of whole star cable for measuring temperature;
(5) the present invention is by the temperature value of the direct reading temperature sensor generation of thermal control slave computer, simplifies the temperature acquisition circuit design of main control equipment.
Accompanying drawing explanation
Fig. 1 is the present invention one line thermometric components and parts schematic diagram;
Fig. 2 is the present invention one line thermometric components and parts overlap joint and scheme of installation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Be illustrated in figure 1 the one one line thermometric components and parts DS18B20 schematic diagram of the present embodiment, a line thermometric components and parts DS18B20 comprises the 1st pin, the 2nd pin, the 3rd pin, hot junction 1 and isothermal section 2, concrete gage lap and installation steps as follows:
Step (one), use lead-in wire 4 and the 1st pin, the 2nd pin, the 3rd pin overlap, and are welded together at close contact position, and all use two-layer thermal shrinkable sleeve 3 pipe to carry out being close to coated protection in lap-joint, and concrete gage lap method is as follows:
(a), as shown in Figure 1, by line thermometric components and parts DS18B20 the 1st pin, the 3rd pin to horizontal curvature 90 ° outside two, then 90-degree bent downward vertically, and ensure that the vertical length of the 1st pin, the 2nd pin, the 3rd pin is equal;
(b), as shown in Figure 2 the present invention one line thermometric components and parts overlap joint and scheme of installation, lead-in wire 4 and line thermometric components and parts DS18B20 the 1st pin, the 2nd pin, the 3rd pin is used to overlap, and lead-in wire 4 and the 1st pin, the 2nd pin, the 3rd pin close contact position are welded together, lead-in wire the 4 and the 1st pin, the 2nd pin, the 3rd pin welding position length are 4-6mm, and the 4 and the 1st pin that goes between in the present embodiment, the 2nd pin, the 3rd pin welding position length get 5mm;
(c), as shown in Figure 2; the coated protection of two-layer heat-shrinkable T bush 3 is all used with the lap-joint of lead-in wire 4 at line thermometric components and parts DS18B20 the 1st pin, the 2nd pin, the 3rd pin; the perisystolic internal diameter of heat-shrinkable T bush 3 should be greater than the maximum gauge being wrapped by position; hot blow contracting is carried out by hair drier; after making contraction, heat-shrinkable T bush 3 is close to and is wrapped by position; answer strict temperature control when blowing contracting, prevent fire damage.
Step (two), smear a small amount of 502 glue, the hot junction 1 of one line thermometric components and parts DS18B20 and isothermal section 2 are tentatively fixed on 3M adhesive tape, use GD414 room temperature vulcanized silicone rubber one line thermometric components and parts DS18B20 hot junction 1 and isothermal section 2 to be fixed on and treat temperature-measurement material mounting surface, a concrete line thermometric components and parts DS18B20 installation method is as follows:
(a), treat temperature-measurement material mounting surface by scouring pad infusing drugs in wine essence and clean;
Treat in (b), the present embodiment that temperature-measurement material is metal material, then 3M adhesive tape is cut into and is of a size of 15mm × 25mm, be pasted onto metal and treat that temperature-measurement material surface needs the position of installation one line thermometric components and parts DS18B20, with hand, adhesive tape is pressurizeed, drive bubble out of, adhesive tape and surface are adjacent to, realize a line thermometric components and parts DS18B20 and metal treats temperature-measurement material mounting surface electrical isolation;
(c), the hot junction of a line thermometric components and parts DS18B20 and isothermal section are lain on 3M adhesive tape, the hot junction 1 of a line thermometric components and parts DS18B20 and the bonding plane of isothermal section 2 smear a small amount of 502 glue realize pre-fix;
(d), GD414 room temperature vulcanized silicone rubber covered be applied in the upper surface of hot junction 1 and isothermal section 2, make a line thermometric components and parts DS18B20 be completely fixed in metal and treat temperature-measurement material mounting surface, and with the plastic film covering of same material on the silicon rubber position fixing a line thermometric components and parts DS18B20, realize solidifying completely, GD414 room temperature vulcanized silicone rubber is under room temperature is not less than the environment of 20 DEG C, set time is 23-25h, and in the present embodiment, room temperature is 22 DEG C, and set time is 24h.
At above-mentioned line thermometric component down-lead overlap joint and an installation method, in step (two) (a), as treated, temperature-measurement material is nonmetallic materials, does not need treating temperature-measurement material surface mount adhesive tape.
In above-mentioned steps (two), (c) is as when temperature-measurement material is nonmetallic materials, GD414 room temperature vulcanized silicone rubber is covered and is applied to hot junction 1 and isothermal section 2 upper surface, one line thermometric components and parts DS18B20 is fixed on and treats temperature-measurement material mounting surface, directly be cured, without the need to covering the film of same material.
The above; be only the embodiment of the best of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
The content be not described in detail in instructions of the present invention belongs to the known technology of professional and technical personnel in the field.
Claims (6)
1. line thermometric component down-lead overlap joint and an installation method, described line thermometric components and parts comprise the 1st pin, the 2nd pin, the 3rd pin, hot junction (1) and isothermal section (2), it is characterized in that comprising the steps:
Step (one), use lead-in wire (4) overlap with line thermometric components and parts the 1st pin, the 2nd pin, the 3rd pin, and concrete gage lap method is as follows:
(a), by line thermometric components and parts the 1st pin, the 3rd pin horizontal curvature 90 ° laterally, then 90-degree bent downward vertically, and ensure that the vertical length of the 1st pin, the 2nd pin, the 3rd pin is equal;
B (), use lead-in wire (4) overlap with the 1st pin, the 2nd pin, the 3rd pin, and will go between (4) weld together with the 1st pin, the 2nd pin, the 3rd pin close contact position;
(c), all use two-layer heat-shrinkable T bush (3) coated protection in the lap-joint of line thermometric components and parts the 1st pin, the 2nd pin, the 3rd pin and lead-in wire (4), contracted by hot blow, after making contraction, heat-shrinkable T bush (3) is close to and is wrapped by position;
Step (two), the hot junction (1) of line thermometric components and parts and isothermal section (2) to be fixed on and to treat temperature-measurement material mounting surface, a concrete line thermometric component mounting method is as follows:
(a), will treat that the position that temperature-measurement material installs line thermometric components and parts realizes surface electrical insulation;
(b), the hot junction (1) of line thermometric components and parts and isothermal section (2) be placed on and treat temperature-measurement material electrical isolation surface, and to be pre-fixed by bonding;
(c), room temperature vulcanized silicone rubber covered be applied to the upper surface of hot junction (1) and isothermal section (2), line thermometric components and parts is fixed on and treats temperature-measurement material mounting surface, and realization is solidified completely.
2. line thermometric component down-lead overlap joint and an installation method according to claim 1, is characterized in that: the 1st pin of described lead-in wire (4) and line thermometric components and parts, the 2nd pin, the 3rd pin welding position length are 4-6mm.
3. line thermometric component down-lead overlap joint and an installation method according to claim 1, it is characterized in that: heat-shrinkable T bush (3) selects specification and lap-joint's diameter to match, before shrinking, the internal diameter of heat-shrinkable T bush (3) is greater than the maximum gauge of lap-joint, is close to and is wrapped by position after contraction.
4. line thermometric component down-lead overlap joint and an installation method according to claim 1, it is characterized in that: room temperature vulcanized silicone rubber is under room temperature is not less than the environment of 20 DEG C, set time is 23-25h, and under the environment of room temperature lower than 20 DEG C, set time is 35-37h.
5. line thermometric component down-lead overlap joint and an installation method according to claim 1, it is characterized in that: in step (two) (a), as treated, temperature-measurement material is metal material, treat that temperature-measurement material surface needs the position Continuous pressing device for stereo-pattern of installation one line thermometric components and parts at metal, realize treating that temperature-measurement material installs the electrical isolation of a line thermometric components and parts portion faces; As treated, temperature-measurement material is nonmetallic materials, does not need treating temperature-measurement material surface mount adhesive tape.
6. line thermometric component down-lead overlap joint and an installation method according to claim 1, it is characterized in that: in step (two) (c), as treated, temperature-measurement material is metal material, by smearing room temperature vulcanized silicone rubber, one line thermometric components and parts are fixed on metal after temperature-measurement material mounting surface, adopt and treat that the plastic film covering of temperature-measurement material same material is in the upper surface of the hot junction (1) and isothermal section (2) of smearing room temperature vulcanized silicone rubber with metal, realize solidifying completely; As treated, temperature-measurement material is nonmetallic materials, does not need to cover and the film treating temperature-measurement material same material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484799.0A CN105181161A (en) | 2015-08-07 | 2015-08-07 | Line temperature measurement component lead overlapping and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484799.0A CN105181161A (en) | 2015-08-07 | 2015-08-07 | Line temperature measurement component lead overlapping and installation method |
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| Publication Number | Publication Date |
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| CN105181161A true CN105181161A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510484799.0A Pending CN105181161A (en) | 2015-08-07 | 2015-08-07 | Line temperature measurement component lead overlapping and installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238486A (en) * | 2018-07-26 | 2019-01-18 | 郑州泰恩科技有限公司 | A kind of high-voltage board thermometric auxiliary fixing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4427181A1 (en) * | 1994-08-01 | 1996-02-08 | Siemens Ag | Thermoelement measuring head holding device |
| CN201315378Y (en) * | 2008-09-27 | 2009-09-23 | 李明斌 | Cable connector |
| CN201754110U (en) * | 2010-06-22 | 2011-03-02 | 中国地质大学（武汉） | DS18B20 temperature sensor based on dual-track plug |
| CN102261960A (en) * | 2011-04-26 | 2011-11-30 | 中国北方车辆研究所 | Temperature sensing device of storage battery and manufacture method thereof |
| CN202582761U (en) * | 2012-02-23 | 2012-12-05 | 华北电力大学（保定） | Power plant direct air-cooled condenser temperature field on-line monitoring device |
| CN203100923U (en) * | 2013-03-25 | 2013-07-31 | 国家电网公司 | Online temperature measurement device for cable joint |
-
2015
- 2015-08-07 CN CN201510484799.0A patent/CN105181161A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427181A1 (en) * | 1994-08-01 | 1996-02-08 | Siemens Ag | Thermoelement measuring head holding device |
| CN201315378Y (en) * | 2008-09-27 | 2009-09-23 | 李明斌 | Cable connector |
| CN201754110U (en) * | 2010-06-22 | 2011-03-02 | 中国地质大学（武汉） | DS18B20 temperature sensor based on dual-track plug |
| CN102261960A (en) * | 2011-04-26 | 2011-11-30 | 中国北方车辆研究所 | Temperature sensing device of storage battery and manufacture method thereof |
| CN202582761U (en) * | 2012-02-23 | 2012-12-05 | 华北电力大学（保定） | Power plant direct air-cooled condenser temperature field on-line monitoring device |
| CN203100923U (en) * | 2013-03-25 | 2013-07-31 | 国家电网公司 | Online temperature measurement device for cable joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238486A (en) * | 2018-07-26 | 2019-01-18 | 郑州泰恩科技有限公司 | A kind of high-voltage board thermometric auxiliary fixing device |
| CN109238486B (en) * | 2018-07-26 | 2020-03-17 | 郑州泰恩科技有限公司 | Auxiliary fixing device for temperature measurement of high-voltage cabinet |
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Application publication date: 20151223 |
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