CN205102946U - Built -in armoured platinum thermoresistance - Google Patents
Built -in armoured platinum thermoresistance Download PDFInfo
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- CN205102946U CN205102946U CN201520828995.0U CN201520828995U CN205102946U CN 205102946 U CN205102946 U CN 205102946U CN 201520828995 U CN201520828995 U CN 201520828995U CN 205102946 U CN205102946 U CN 205102946U
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- open slot
- protection tube
- interior protection
- hollow metal
- catch
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Abstract
The utility model discloses a built -in armoured platinum thermoresistance, including interior protection tube, be equipped with the platinum resistance that twines into the right -handed helix form in the interior protection tube, still including fixing in the interior protection tube first open slot and second open slot on the interior protection tube internal perisporium, a hollow metal ball has been placed in the first open slot, the 2nd hollow metal ball has been placed in the second open slot, a hollow metal ball with through a connecting rod fixed connection between the 2nd hollow metal ball, the connecting rod passes the opening of first open slot and the opening of second open slot, interior protection tube intussuseption is filled with magnesium hydroxide particles, outer protection tube, outer protection tube covers interior protection tube surface. The utility model discloses simple structure, practical convenient, stability is good, and the reliability is high.
Description
Technical field
The utility model relates to temperature sensor, particularly relates to built-in armoured Pt thermal resistance.
Background technology
Thermal resistance utilizes the resistance value of platinum filament to change this ultimate principle designing and making along with the change of temperature, 10 ohm (Graduation Number is Pt10) and 100 ohm (Graduation Number is Pt100) etc. are divided into by the size of the resistance value R (DEG C) when 0 DEG C, temperature-measuring range is larger, the temperature-sensitive original paper being suitable for-200 ~ 850 DEG C of .10 ohm platinum resistance thermometer sensor,s forms with thicker platinum filament coiling, heat resistance is obviously better than the platinum resistance thermometer sensor, of 100 ohm, be mainly used in the warm area of more than 650 DEG C: 100 ohm of platinum resistance thermometer sensor,s are mainly used in the warm area of less than 650 DEG C, though also can be used for more than 650 DEG C warm areas, but warm area has not allowed A level error more than 650 DEG C.
Existing armoured Pt thermal resistance, in it, protection tube corrosion resistance is poor, and this is urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of built-in armoured Pt thermal resistance.
For achieving the above object, the built-in armoured Pt thermal resistance that the utility model provides, comprising:
Interior protection tube, is provided with the platinum resistance being wound in right-hand helical in described interior protection tube; Also include in described interior protection tube and be fixed on the first open slot on described interior protection tube internal perisporium and the second open slot, the first hollow metal sphere is placed with in described first open slot, the second hollow metal sphere is placed with in described second open slot, be fixedly connected with by a connecting rod between described first hollow metal sphere and described second hollow metal sphere, described connecting rod, through the opening of described first open slot and the opening of the second open slot, is filled with magnesium oxide particle in described interior protection tube;
Outside protective pipe, described outside protective pipe covers described interior protection tube outside surface, and the radian of the periphery of the xsect of described outside protective pipe is 1.25 π to 1.75 π; The tube wall of the described interior protection tube covered by described outside protective pipe is made up of aluminium foil; Described outside protective pipe is made up of refractory ceramics; The nickel alloy wire of a bending is provided with in described outside protective pipe, described nickel alloy wire is provided with several air bags, helium is filled with in described air bag, its air pressure of air bag be positioned on described nickel alloy wire from left to right increases successively, atmospheric pressure value composition arithmetic progression between each air bag, its wall thickness of air bag be positioned on described nickel alloy wire from left to right reduces successively;
Wherein,
Described connecting rod is also fixed with the first catch near described first open slot, the bore of described first catch is greater than the bore of the first open slot, and the distance on described first catch and the first hollow metal sphere top is less than the radial width of the first open slot; Described first catch is between the first open slot and the second open slot;
Described connecting rod is also provided with the second catch, and described second catch is near the second open slot, and the bore of described second catch is greater than the bore of the second open slot, and the distance on described second catch and the second hollow metal sphere top is less than the radial width of the second open slot; Described second catch is between the first open slot and the second open slot.
Preferably, described refractory ceramics is boride ceramics.
Preferably; described nickel alloy wire is also attached with supply module, baroceptor; when described baroceptor detects that pressure between described outside protective pipe and described interior protection tube is lower than 1.7 times of standard atmospheric pressures; described supply module gives the energising of described nickel alloy wire with air bag described in heat fused; discharge helium, thus the pressure between described outside protective pipe and described interior protection tube is maintained between 1.7 to 2.0 times of standard atmospheric pressures.
Preferably, be also provided with the hole slot of a rectangle in the middle part of described connecting rod, described platinum resistance is passed in the hole slot of described connecting rod.
Preferably, the surface coverage of described first hollow metal sphere and the second hollow metal sphere has rubber layer; The inside of described first hollow metal sphere and the second hollow metal sphere is filled with inert gas.
Preferably, the particle diameter of described magnesium oxide particle is between 0.1mm to 3mm.
Preferably, the platinum resistance in described interior protection tube is film platinum resistor.
Preferably, described interior protection tube is not made up of titanium alloy plate by the part that described outside protective pipe covers.
The beneficial effects of the utility model are: the antidetonation protective capacities improving interior protection tube; improve the shock resistance of platinum resistance; the vibrational energy of interior protection tube can be consumed fast by the concussion repeatedly of hollow metal sphere; the oscillation intensity of protection tube in controlling; and due in the cavity of filler particles dynamic opening groove and interior protection tube; avoid a large amount of filler particles to flow on a large scale in interior protection tube, be conducive to the stability promoting interior protection tube.Structure is simple, and easy for operation, good stability, reliability is high.Corrosion resistance is strong.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of built-in armoured Pt thermal resistance one embodiment described in the utility model;
Fig. 2 is the partial enlarged drawing A of Fig. 1;
Fig. 3 is the partial schematic diagram of the other direction of Fig. 2;
Fig. 4 is C-C cut-open view of Fig. 1;
Wherein,
20, nickel alloy wire;
201, air bag;
202, baroceptor;
203, supply module;
30, platinum resistance;
50, interior protection tube;
511, the first open slot;
5111, the first hollow metal sphere;
512, the second open slot;
5121, the second hollow metal sphere;
513, connecting rod;
5131, hole slot;
514, the first catch;
515, the second catch;
58, titanium alloy plate;
59, aluminium foil projection;
60, outside protective pipe.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Referring to figs. 1 through the one-piece construction schematic diagram that Fig. 4, Fig. 1 are built-in armoured Pt thermal resistance one embodiments described in the utility model; Fig. 2 is the partial enlarged drawing A of Fig. 1; Fig. 3 is the partial schematic diagram of the other direction of Fig. 2; Fig. 4 is C-C cut-open view of Fig. 1.
Wherein, as shown in Figure 1, Figure 2, the built-in armoured Pt thermal resistance that the utility model provides, comprises interior protection tube 50, is provided with the platinum resistance 30 being wound in right-hand helical in described interior protection tube 50; The first open slot 511 and the second open slot 512 be fixed on described interior protection tube 50 internal perisporium is also included in described interior protection tube 50, the first hollow metal sphere 5111 is placed with in described first open slot 511, the second hollow metal sphere 5121 is placed with in described second open slot 512, be fixedly connected with by a connecting rod 513 between described first hollow metal sphere 5111 and described second hollow metal sphere 5121, described connecting rod 513, through the opening of described first open slot 511 and the opening of the second open slot 512, is filled with magnesium oxide particle in described interior protection tube 50; Outside protective pipe 60, described outside protective pipe 60 covers described interior protection tube 50 outside surface, and the radian of the periphery of the xsect of described outside protective pipe 60 is 1.25 π to 1.75 π; The tube wall of the described interior protection tube 50 covered by described outside protective pipe 60 is made up of aluminium foil; Described outside protective pipe 60 is made up of refractory ceramics; The nickel alloy wire 20 of a bending is provided with in described outside protective pipe 60, described nickel alloy wire 20 is provided with several air bags 201, helium is filled with in described air bag 201, its air pressure of air bag 201 be positioned on described nickel alloy wire 20 from left to right increases successively, atmospheric pressure value composition arithmetic progression between each air bag 201, its wall thickness of air bag 201 be positioned on described nickel alloy wire 20 from left to right reduces successively; Wherein, described connecting rod 513 is also fixed with the first catch 514 near described first open slot 511, the bore of described first catch 514 is greater than the bore of the first open slot 511, and the distance on described first catch 514 and the first hollow metal sphere 5111 top is less than the radial width of the first open slot 511; Described first catch 514 is between the first open slot 511 and the second open slot 512; Described connecting rod 513 is also provided with the second catch 515, described second catch 515 is near the second open slot 512, the bore of described second catch 515 is greater than the bore of the second open slot 512, and the distance on described second catch 515 and the second hollow metal sphere 5121 top is less than the radial width of the second open slot 512; Described second catch 515 is between the first open slot 511 and the second open slot 512.
In the above-described embodiments, by arranging two-layer protection tube, i.e. described interior protection tube 50 and described outside protective pipe 60, traditional armoured Pt thermal resistance only has the protection tube that one deck stainless steel is made, stainless steel protection pipe corrosion resistance is poor, by covering one deck outside protective pipe 60 at the skin of described interior protection tube 50, space is formed between described interior protection tube 50 and described outside protective pipe 60, described outside protective pipe 60 is made up of high temperature ceramic material, the corrosion resistance of high temperature ceramic material is also very superior, because described outside protective pipe 60 does not cover described interior protection tube 50 completely, described interior protection tube 50 can also never be conducted heat by the region that described outside protective pipe 60 covers, heat transfer efficiency does not significantly reduce, but, resistance to corrosion significantly strengthens.In use; magnesium oxide particle in armoured thermal resistance can consume; cause magnesium oxide particle can not fill described interior protection tube 50 closely; by the upper part of described interior protection tube 50 is arranged to aluminium foil; air bag 201 between described outside protective pipe 60 and described interior protection tube 50 discharges gas; maintain certain atmospheric pressure value, make magnesium oxide particle be in tight occupied state.By arranging filler particles in interior protection tube 50; filler particles flows in interior protection tube 50; and a filler particles also part is stored in open slot; filler particles is filled with in whole so interior protection tube 50; improve the anti-seismic performance of interior protection tube 50; make again the mobility of the filler particles in interior protection tube 50 not strong, protect platinum resistance 30 further.
As Fig. 2; first catch 514 can shutoff dynamically first open slot 511; and; because the radial width of the first open slot 511 is wider; when the first catch 514 blocks the opening of the first open slot 511; first Metal Ball also can not strike the inwall of interior protection tube 50; protect interior protection tube 50 further; in vibration processes; first Metal Ball also can the opening of shutoff dynamically first open slot 511; when the opening of the first open slot 511 is not by the first Metal Ball or the first catch 514 shutoff, filler particles just can pass in and out the accommodation space of the first open slot 511.
As an embodiment of the present utility model (figure is not depending on going out), described refractory ceramics is boride ceramics.
As an embodiment of the present utility model; as Fig. 4; described nickel alloy wire 20 is also attached with supply module 203, baroceptor 202; when described baroceptor 202 detects that pressure between described outside protective pipe 60 and described interior protection tube 50 is lower than 1.7 times of standard atmospheric pressures; described supply module 203 is energized with air bag described in heat fused 201 to described nickel alloy wire 20; discharge helium, thus the pressure between described outside protective pipe 60 and described interior protection tube 50 is maintained between 1.7 to 2.0 times of standard atmospheric pressures.
In the above-described embodiments, by arranging described supply module 203, described supply module 203 is electrically connected with described baroceptor 202 module, when the atmospheric pressure value that described baroceptor 202 is surveyed is lower than ratings, described air bag 201 melts by described supply module 203, and described air bag 201 discharges gas wherein, and then makes aluminium foil produce deformation, compressing magnesium oxide particle, makes magnesium oxide particle be in tight occupied state.
As an embodiment of the present utility model, as Fig. 3, be also provided with the hole slot 5131 of a rectangle in the middle part of described connecting rod 513, described platinum resistance 30 is passed in the hole slot 5131 of described connecting rod 513.Described hole slot 5131 is positioned at the top of described first catch 514 and described second catch 515.
As an embodiment of the present utility model, the particle diameter of described magnesium oxide particle is between 0.1mm to 3mm.
As an embodiment of the present utility model, the platinum resistance 30 in described interior protection tube 50 is film platinum resistors 30.
As an embodiment (not shown) of the present utility model, the surface coverage of described first hollow metal sphere 5111 and the second hollow metal sphere 5121 has rubber layer; The inside of described first hollow metal sphere 5111 and the second hollow metal sphere 5121 is filled with inert gas.Improving the durability of hollow metal sphere by arranging rubber layer, by filling inert gas, the inner oxidation resistance of hollow metal sphere being strengthened.
As an embodiment of the present utility model, described interior protection tube 50 is not made up of titanium alloy plate 58 by the part that described outside protective pipe 60 covers.
In addition; the vibrational energy of described interior protection tube 50 can be consumed fast by the concussion repeatedly of hollow metal sphere; improve the antidetonation protective capacities of described interior protection tube 50; improve the shock resistance of described platinum resistance 30; control the oscillation intensity of described interior protection tube 50; and due in the cavity of filler particles dynamic opening groove and described interior protection tube 50, avoid a large amount of filler particles and flow on a large scale in described interior protection tube 50, be conducive to the stability promoting described interior protection tube 50.
Described chuck is used for platinum resistance 30 and goes between lock sealing, realizes the sealing of platinum resistance 30IP68.When rear end wire disturbance, vibration can not be delivered in the wiring of platinum resistance 30 inside.
Described interior protection tube 50 is titanium alloy plate 58 material, forms the cavity of a sealing, to thermal resistance platinum resistance 30 as film platinum resistor 30 plays a very good protection after machining, interior protection tube 50 welding edges.
Thermal resistance is arranged on equipment according to certain placed-depth by described set bolt.
Described terminal box, for the protection of the wiring of platinum resistance 30, plays mechanical protection and waterproofing protection.
Described chuck is used for platinum resistance 30 and goes between lock sealing, realizes the sealing of described more than platinum resistance 30IP6.Play platinum resistance 30 in addition to go between the effect be locked.
Described terminal block, when anchor leg and cable, can adopt existing screw crimping structure or existing disk spring compressing structure.
Described aluminium foil is formed with several aluminium foil projections 59, described aluminium foil is positioned at the top of described titanium alloy plate.
It is pointed out that so-called built-in type refers to: described platinum resistance 30 is embedded in magnesium oxide particle.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (8)
1. a built-in armoured Pt thermal resistance, is characterized in that, comprises,
Interior protection tube, is provided with the platinum resistance being wound in right-hand helical in described interior protection tube; Also include in described interior protection tube and be fixed on the first open slot on described interior protection tube internal perisporium and the second open slot, the first hollow metal sphere is placed with in described first open slot, the second hollow metal sphere is placed with in described second open slot, be fixedly connected with by a connecting rod between described first hollow metal sphere and described second hollow metal sphere, described connecting rod, through the opening of described first open slot and the opening of the second open slot, is filled with magnesium oxide particle in described interior protection tube;
Outside protective pipe, described outside protective pipe covers the outside surface of described interior protection tube, and the radian of described outside protective pipe xsect periphery is 1.25 π to 1.75 π; The tube wall of the described interior protection tube covered by described outside protective pipe is made up of aluminium foil; Described outside protective pipe is made up of refractory ceramics; The nickel alloy wire of a bending is provided with in described outside protective pipe, described nickel alloy wire is provided with several air bags, helium is filled with in described air bag, its air pressure of air bag be positioned on described nickel alloy wire from left to right increases successively, atmospheric pressure value composition arithmetic progression between each air bag, its wall thickness of air bag be positioned on described nickel alloy wire from left to right reduces successively;
Wherein,
Described connecting rod is also fixed with the first catch near described first open slot, the bore of described first catch is greater than the bore of the first open slot, and the distance on described first catch and the first hollow metal sphere top is less than the radial width of the first open slot; Described first catch is between the first open slot and the second open slot;
Described connecting rod is also provided with the second catch, and described second catch is near the second open slot, and the bore of described second catch is greater than the bore of the second open slot, and the distance on described second catch and the second hollow metal sphere top is less than the radial width of the second open slot; Described second catch is between the first open slot and the second open slot.
2. built-in armoured Pt thermal resistance according to claim 1, is characterized in that, described refractory ceramics is boride ceramics.
3. built-in armoured Pt thermal resistance according to claim 1; it is characterized in that; described nickel alloy wire is also provided with supply module, baroceptor; when described baroceptor detects the standard atmospheric pressure of the pressure between described outside protective pipe and described interior protection tube lower than 1.7 times; described supply module gives the energising of described nickel alloy wire with air bag described in heat fused; discharge helium, thus the air pressure between described outside protective pipe and described interior protection tube is maintained within the scope of 1.7 to 2.0 times of standard atmospheric pressures.
4. built-in armoured Pt thermal resistance according to claim 1, is characterized in that, is also provided with the hole slot of a rectangle in the middle part of described connecting rod, and described platinum resistance is passed in the hole slot of described connecting rod.
5. built-in armoured Pt thermal resistance according to claim 1, is characterized in that, the surface coverage of described first hollow metal sphere and the second hollow metal sphere has rubber layer; The inside of described first hollow metal sphere and the second hollow metal sphere is filled with inert gas.
6. the built-in armoured Pt thermal resistance according to any one of claim 1, is characterized in that, the particle diameter of described magnesium oxide particle is between 0.1mm to 3mm.
7. the built-in armoured Pt thermal resistance according to any one of claim 1, is characterized in that, the platinum resistance in described interior protection tube is film platinum resistor.
8. the built-in armoured Pt thermal resistance according to any one of claim 1, is characterized in that, described interior protection tube is not made up of titanium alloy plate by the part that described outside protective pipe covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828995.0U CN205102946U (en) | 2015-10-23 | 2015-10-23 | Built -in armoured platinum thermoresistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828995.0U CN205102946U (en) | 2015-10-23 | 2015-10-23 | Built -in armoured platinum thermoresistance |
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| Publication Number | Publication Date |
|---|---|
| CN205102946U true CN205102946U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520828995.0U Expired - Fee Related CN205102946U (en) | 2015-10-23 | 2015-10-23 | Built -in armoured platinum thermoresistance |
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| CN (1) | CN205102946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107410956A (en) * | 2017-05-12 | 2017-12-01 | 浦江海璞食品科技有限公司 | The process equipment and processing method of aid digestion grape foods packed in carton containers |
-
2015
- 2015-10-23 CN CN201520828995.0U patent/CN205102946U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107410956A (en) * | 2017-05-12 | 2017-12-01 | 浦江海璞食品科技有限公司 | The process equipment and processing method of aid digestion grape foods packed in carton containers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20191023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |