CN205102942U - Large -scale generator is with automatic armor thermal resistance of hunting leak - Google Patents
Large -scale generator is with automatic armor thermal resistance of hunting leak Download PDFInfo
- Publication number
- CN205102942U CN205102942U CN201520829024.8U CN201520829024U CN205102942U CN 205102942 U CN205102942 U CN 205102942U CN 201520829024 U CN201520829024 U CN 201520829024U CN 205102942 U CN205102942 U CN 205102942U
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- protection tube
- thermal resistance
- shaped cap
- magnesium oxide
- leak detection
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Abstract
The utility model discloses a large -scale generator is with automatic armor thermal resistance of hunting leak, including first protection tube, second protection tube, the right -hand member of first protection tube is equipped with a breather pipe, still be equipped with a plurality of holding magnesium hydroxide particles's open slot in the second protection tube, the third protection tube, the third protection tube covers the surface at first protection tube, U type cap is equipped with the refractometer in the U type cap, still include, fixing bolt, connector plug and the connector socket of each other pegging graft, connector plug fasten in the first protection tube one end of keeping away from of fixing bolt and with the pin connection of thermal resistance, connector socket and thermal resistance wire are connected the edge and are drawn forth the wire with grafting direction vertically second direction. The utility model discloses the leak hunting precision is high, the good reliability, and stability is high, and the practicality is strong, the modern design.
Description
Technical field
The utility model relates to a kind of thermal resistance, particularly relates to a kind of high-rating generator automatic leak detection armoured thermal resistance.
Background technology
Thermal resistance (thermalresistor) is the most frequently used a kind of temperature detector in middle low-temperature space.Thermistor Temperature Measurement increases this characteristic based on the resistance value of metallic conductor with the increase of temperature to carry out thermometric.Its principal feature is that measuring accuracy is high, stable performance.Wherein the measuring accuracy of platinum resistance thermometer sensor, is the highest, and it is not only widely used in industrial thermometric, and is made into the station meter of standard.Thermal resistance is mostly made up of simple metal material, and what application was maximum at present is platinum and copper, in addition, has started now to adopt the materials such as nickel, manganese and rhodium to manufacture thermal resistance.The temperature sensing material kind that metal fever resistance is conventional is more, and the most frequently used is platinum filament.
Existing thermal resistance, leak detection poor-performing, after thermal resistance is damaged, liquid to be measured or gas infiltrate in thermal resistance, and cause reading to be forbidden, 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 the high-rating generator automatic leak detection armoured thermal resistance provided.
For achieving the above object, the high-rating generator automatic leak detection armoured thermal resistance that the utility model provides, comprising:
First protection tube of closed at both ends, is packaged with at least one second protection tube in described first protection tube, the closed at both ends of described second protection tube, and described first protection tube is connected by several springs with between the second protection tube; Magnesium oxide particle is filled with between described first protection tube and the second protection tube; The right side periphery wall of the first protection tube is formed with external thread; The right-hand member of the first protection tube is provided with a snorkel, one end of described snorkel and the inside conducting of the first protection tube;
Second protection tube, the one end being twisted into spiral helicine thermal resistance is fixed on one end of described second protection tube and the other end to described second protection tube extends, and is filled with magnesium oxide particle in described second protection tube; Also be provided with the open slot of several accommodating magnesium oxide particles in described second protection tube, be provided with the hollow stainless steel ball that a diameter is greater than open slot opening bore in described open slot, described hollow stainless steel ball is in order to dynamic shutoff open slot;
3rd protection tube, described 3rd protection tube covers the outside surface of described first protection tube, and the radian of described 3rd protection tube xsect periphery is 1.25 π to 1.75 π; The tube wall of described first protection tube covered by described 3rd protection tube is made up of aluminium foil; Described 3rd protection tube is made up of refractory ceramics; Be provided with the nickel alloy wire of a bending in described 3rd protection tube, described nickel alloy wire is provided with several storing capsules, is filled with magnesium oxide particle in described storing capsule, and its wall thickness of storing capsule be positioned on described nickel alloy wire from left to right reduces successively; The cyst wall of described storing capsule is by waxed one-tenth;
U-shaped cap, the opening part of described U-shaped cap is formed with the close-fitting internal thread of external thread with the first protection tube periphery wall; A refractometer is also provided with in order to measure the change of refractive index in described U-shaped cap in described U-shaped cap; Helium is filled with in described U-shaped cap;
Also include; set bolt; the connector plug of mutual grafting and connector body; described connector plug is anchored on being connected with the lead-in wire of described thermal resistance away from first protection tube one end of described set bolt, and described connector body to be connected with thermal resistance wire and to draw described wire along the second direction vertical with grafting direction.
Preferably, described nickel alloy wire is also provided with supply module, controls the power switch of described supply module, described supply module gives the energising of described nickel alloy wire with storing capsule described in heat fused, discharges magnesium oxide particle.
Preferably, the winding shape of thermal resistance described in each is identical.
Preferably, described first protection tube is made up of withstand voltage pottery.
Preferably, described thermal resistance is platinum resistance or copper resistance.
Preferably, one end of described second protection tube is provided with opening in order to load magnesium oxide particle, and this opening part is provided with gland bonnet.
Preferably, in described snorkel, be provided with Non-return air valve, described Non-return air valve allow gas from described U-shaped cap flow to the first protection tube but do not allow gas back through.
Preferably, LED alarm lamp, the button cell be electrically connected with described LED, the controller that is electrically connected with described button cell is also provided with in described U-shaped cap, described controller is electrically connected with described refractometer, when the variations in refractive index amplitude measured by described refractometer is greater than preset value, described controller controls described LED and sends alerting signal.
The beneficial effects of the utility model are: the high-rating generator automatic leak detection armoured thermal resistance that the utility model provides; have employed three-level protective pipe; first protection tube provides mechanical protection to the second protection tube, and magnesium hydroxide filler between the first protection tube and the second protection tube provides also to the second protection tube further to protect.Spring is adopted to connect between first protection tube, the second protection tube; when temperature measurement module concuss; micro-displacement between above-mentioned two class protection pipe offset by spring, improve serviceable life and the stability of temperature measurement module further, temperature measurement module be still suitable in rugged environment more.Described hollow stainless steel ball is in order to dynamic shutoff open slot; When temperature measurement module concuss, the magnesium oxide particle that open slot can receive a part to spring up at a high speed, weakens the frequency of impact of magnesium oxide particle to thermal resistance.By the thermal resistance adopting many hot wires to be wound in helicoidal structure, on the one hand, many hot wires work simultaneously, improve the measuring accuracy of temperature thermocouple, on the other hand, hot wire is wound helical structure, reduces the excessive stresses that hot wire produces due to environment temperature Rapid Variable Design, increase the service life, improve the security used.By arranging U-shaped cap to detect the impermeability of the first protection tube, the Non-return air valve in snorkel to avoid in maintenance process ambient atmosphere for the pollution of U-shaped cap.Present solution provides corresponding disaster early warning mechanism, the reliability of thermal resistance sensor is strengthened, the potential danger of energy Timeliness coverage and then remove the dangerous condition.In addition; 3rd protection tube has electrochemically resistant corrosion function; refractory ceramics can not damage when measuring high temperature; when opening described supply module by described power switch, described supply module gives the heating of described storing capsule, thus discharges the magnesium oxide particle in described storing capsule; because magnesium oxide particle leaves in above-mentioned storing capsule; described storing capsule is again by waxed one-tenth, and described magnesium oxide particle is sealed with wax, and can deposit the longer time.This thermal resistance in use for some time, can supplement magnesium oxide particle by said method, extends the serviceable life of this thermal resistance further.By measuring the situation of change of refractive index in described U-shaped cap, when described U-shaped cap leaks, the refractive index in described U-shaped cap can change, and can judge whether U-shaped cap occurs leakage problem by the change detecting refractive index in U-shaped cap.Here temperature factor is taken into account.The utility model good stability, reliability is high, easy for operation, practical, novel in design.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model high-rating generator automatic leak detection armoured thermal resistance one embodiment;
Fig. 2 is the structural representation of temperature measurement module described in Fig. 1;
Fig. 3 is A-A cut-open view of Fig. 1;
Wherein,
10, temperature measurement module;
101, the first protection tube;
102, spring;
103, the second protection tube;
1032, open slot;
1035, hollow stainless steel ball;
1037, gland bonnet;
104, thermal resistance;
105, U-shaped cap;
106, refractometer;
20, connector body;
40, connector plug;
60, set bolt;
80, nickel alloy wire;
801, storing capsule;
803, supply module;
90, the 3rd protection tube.
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 addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
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. 3, Fig. 1 are the utility model high-rating generator automatic leak detection armoured thermal resistance 104 1 embodiments; Fig. 2 is the structural representation of temperature measurement module 10 described in Fig. 1; Fig. 3 is A-A cut-open view of Fig. 1.
Specifically, as Fig. 1 and Fig. 2, the high-rating generator automatic leak detection armoured thermal resistance 104 that the utility model provides, comprise the first protection tube 101 of closed at both ends, at least one second protection tube 103 is packaged with in described first protection tube 101, the closed at both ends of described second protection tube 103, described first protection tube 101 is connected by several springs 102 with between the second protection tube 103; Magnesium oxide particle is filled with between described first protection tube 101 and the second protection tube 103; The right side periphery wall of the first protection tube 101 is formed with external thread; The right-hand member of the first protection tube 101 is provided with a snorkel, one end of described snorkel and the inside conducting of the first protection tube 101; Second protection tube 103, the one end being twisted into spiral helicine thermal resistance 104 is fixed on one end of described second protection tube 103 and the other end to described second protection tube 103 extends, and is filled with magnesium oxide particle in described second protection tube 103; The open slot 1032 of several accommodating magnesium oxide particles is also provided with in described second protection tube 103, be provided with the hollow stainless steel ball 1035 that a diameter is greater than open slot 1032 opening bore in described open slot 1032, described hollow stainless steel ball 1035 is in order to dynamic shutoff open slot 1032; 3rd protection tube 90, described 3rd protection tube 90 covers the outside surface of described first protection tube 101, and the radian of described 3rd protection tube 90 xsect periphery is 1.25 π to 1.75 π; The tube wall of described first protection tube 101 covered by described 3rd protection tube 90 is made up of aluminium foil; Described 3rd protection tube 90 is made up of refractory ceramics; The nickel alloy wire 80 of a bending is provided with in described 3rd protection tube 90, described nickel alloy wire 80 is provided with several storing capsules 801, be filled with magnesium oxide particle in described storing capsule 801, its wall thickness of storing capsule 801 be positioned on described nickel alloy wire 80 from left to right reduces successively; The cyst wall of described storing capsule 801 is by waxed one-tenth; U-shaped cap 105, the opening part of described U-shaped cap 105 is formed with the close-fitting internal thread of external thread with the first protection tube 101 periphery wall; A refractometer 106 is also provided with in order to measure the change of refractive index in described U-shaped cap 105 in described U-shaped cap 105; Helium is filled with in described U-shaped cap 105; Also include; set bolt 60; the connector plug 40 of mutual grafting and connector body 20; described connector plug 40 is anchored on being connected with the lead-in wire of described thermal resistance 104 away from first protection tube 101 one end of described set bolt 60, and described connector body 20 to be connected with thermal resistance 104 wire and to draw described wire along the second direction vertical with grafting direction.
As an embodiment of the present utility model, described nickel alloy wire 80 is also provided with supply module 803, controls the power switch of described supply module 803, described supply module 803 is energized with storing capsule 801 described in heat fused to described nickel alloy wire 80, discharges magnesium oxide particle.
As an embodiment of the present utility model, described in each, the winding shape of thermal resistance 104 is identical.
As an embodiment of the present utility model, described first protection tube 101 is made up of withstand voltage pottery.
As an embodiment of the present utility model, described thermal resistance 104 is platinum resistance or copper resistance.
As an embodiment of the present utility model, one end of described second protection tube 103 is provided with opening in order to load magnesium oxide particle, and this opening part is provided with gland bonnet 1037.
As an embodiment of the present utility model, in described snorkel, be provided with Non-return air valve, described Non-return air valve allow gas from described U-shaped cap flow to the first protection tube 101 but do not allow gas back through.
As an embodiment of the present utility model, LED alarm lamp, the button cell be electrically connected with described LED, the controller that is electrically connected with described button cell is also provided with in described U-shaped cap 105, described controller is electrically connected with described refractometer 106, when the variations in refractive index amplitude measured by described refractometer 106 is greater than preset value, described controller controls described LED and sends alerting signal.
In sum; the high-rating generator automatic leak detection armoured thermal resistance 104 that the utility model provides; have employed three-level protective pipe; first protection tube 101 provides mechanical protection to the second protection tube 103, and the magnesium hydroxide filler between the first protection tube 101 and the second protection tube 103 provides also to the second protection tube 103 further to protect.Spring 102 is adopted to connect between first protection tube 101, second protection tube 103; when temperature measurement module 10 concuss; micro-displacement between above-mentioned two class protection pipe offset by spring 102; improve serviceable life and the stability of temperature measurement module 10 further, temperature measurement module 10 is still suitable in rugged environment more.Described hollow stainless steel ball 1035 is in order to dynamic shutoff open slot 1032; When temperature measurement module 10 concuss, the magnesium oxide particle that open slot 1032 can receive a part to spring up at a high speed, weakens the frequency of impact of magnesium oxide particle to thermal resistance 104.By the thermal resistance 104 adopting many thermal resistances 104 line to be wound in helicoidal structure, on the one hand, many thermal resistance 104 lines work simultaneously, improve the measuring accuracy of temperature thermocouple, on the other hand, thermal resistance 104 line is wound helical structure, reduces the excessive stresses that thermal resistance 104 line produces due to environment temperature Rapid Variable Design, increase the service life, improve the security used.Detect the impermeability of the first protection tube 101 by arranging U-shaped cap 105, Non-return air valve in snorkel (figure is not depending on going out) to avoid in maintenance process ambient atmosphere for the pollution of U-shaped cap.Present solution provides corresponding disaster early warning mechanism, the reliability of thermal resistance 104 sensor is strengthened, the potential danger of energy Timeliness coverage and then remove the dangerous condition.In addition; 3rd protection tube 90 has electrochemically resistant corrosion function; refractory ceramics can not damage when measuring high temperature; when opening described supply module 803 by described power switch, described supply module 803 heats to described storing capsule 801, thus discharges the magnesium oxide particle in described storing capsule 801; because magnesium oxide particle leaves in above-mentioned storing capsule 801; described storing capsule 801 is again by waxed one-tenth, and described magnesium oxide particle is sealed with wax, and can deposit the longer time.This thermal resistance 104 in use for some time, can supplement magnesium oxide particle by said method, extends the serviceable life of this thermal resistance 104 further.By measuring the situation of change of refractive index in described U-shaped cap 105, when described U-shaped cap 105 leaks, the refractive index in described U-shaped cap 105 can change, and can judge whether U-shaped cap 105 occurs leakage problem by the change detecting refractive index in U-shaped cap 105.Here temperature factor is taken into account.The utility model good stability, reliability is high, easy for operation, practical, novel in design.
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 high-rating generator automatic leak detection armoured thermal resistance, is characterized in that, comprise,
First protection tube of closed at both ends, is packaged with at least one second protection tube in described first protection tube, the closed at both ends of described second protection tube, and described first protection tube is connected by several springs with between the second protection tube; Magnesium oxide particle is filled with between described first protection tube and the second protection tube; The right side periphery wall of the first protection tube is formed with external thread; The right-hand member of the first protection tube is provided with a snorkel, one end of described snorkel and the inside conducting of the first protection tube;
Second protection tube, the one end being twisted into spiral helicine thermal resistance is fixed on one end of described second protection tube and the other end to described second protection tube extends, and is filled with magnesium oxide particle in described second protection tube; Also be provided with the open slot of several accommodating magnesium oxide particles in described second protection tube, be provided with the hollow stainless steel ball that a diameter is greater than open slot opening bore in described open slot, described hollow stainless steel ball is in order to dynamic shutoff open slot;
3rd protection tube, described 3rd protection tube covers the outside surface of described first protection tube, and the radian of described 3rd protection tube xsect periphery is 1.25 π to 1.75 π; The tube wall of described first protection tube covered by described 3rd protection tube is made up of aluminium foil; Described 3rd protection tube is made up of refractory ceramics; Be provided with the nickel alloy wire of a bending in described 3rd protection tube, described nickel alloy wire is provided with several storing capsules, is filled with magnesium oxide particle in described storing capsule, and its wall thickness of storing capsule be positioned on described nickel alloy wire from left to right reduces successively; The cyst wall of described storing capsule is by waxed one-tenth;
U-shaped cap, the opening part of described U-shaped cap is formed with the close-fitting internal thread of external thread with the first protection tube periphery wall; A refractometer is also provided with in order to measure the change of refractive index in described U-shaped cap in described U-shaped cap; Helium is filled with in described U-shaped cap;
Also include; set bolt; the connector plug of mutual grafting and connector body; described connector plug is anchored on being connected with the lead-in wire of described thermal resistance away from first protection tube one end of described set bolt, and described connector body to be connected with thermal resistance wire and to draw described wire along the second direction vertical with grafting direction.
2. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, it is characterized in that, described nickel alloy wire is also provided with supply module, controls the power switch of described supply module, described supply module gives the energising of described nickel alloy wire with storing capsule described in heat fused, discharges magnesium oxide particle.
3. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, is characterized in that, the winding shape of thermal resistance described in each is identical.
4. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, is characterized in that, described first protection tube is made up of withstand voltage pottery.
5. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, is characterized in that, described thermal resistance is platinum resistance or copper resistance.
6. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, is characterized in that, one end of described second protection tube is provided with opening in order to load magnesium oxide particle, and this opening part is provided with gland bonnet.
7. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, is characterized in that, be provided with Non-return air valve in described snorkel, described Non-return air valve allow gas from described U-shaped cap flow to the first protection tube but do not allow gas back through.
8. high-rating generator automatic leak detection armoured thermal resistance according to claim 1, it is characterized in that, LED alarm lamp, the button cell be electrically connected with described LED, the controller that is electrically connected with described button cell is also provided with in described U-shaped cap, described controller is electrically connected with described refractometer, when the variations in refractive index amplitude measured by described refractometer is greater than preset value, described controller controls described LED and sends alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829024.8U CN205102942U (en) | 2015-10-23 | 2015-10-23 | Large -scale generator is with automatic armor thermal resistance of hunting leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829024.8U CN205102942U (en) | 2015-10-23 | 2015-10-23 | Large -scale generator is with automatic armor thermal resistance of hunting leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205102942U true CN205102942U (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829024.8U Expired - Fee Related CN205102942U (en) | 2015-10-23 | 2015-10-23 | Large -scale generator is with automatic armor thermal resistance of hunting leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205102942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443571A (en) * | 2018-12-18 | 2019-03-08 | 海盐县秦山热工仪表厂 | A kind of thermometric thermal resistance that anti-shake performance is good |
-
2015
- 2015-10-23 CN CN201520829024.8U patent/CN205102942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443571A (en) * | 2018-12-18 | 2019-03-08 | 海盐县秦山热工仪表厂 | A kind of thermometric thermal resistance that anti-shake performance is good |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20211023 |