CN204807228U - Easily install thermal resistance sensor - Google Patents

Easily install thermal resistance sensor Download PDF

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Publication number
CN204807228U
CN204807228U CN201520475231.8U CN201520475231U CN204807228U CN 204807228 U CN204807228 U CN 204807228U CN 201520475231 U CN201520475231 U CN 201520475231U CN 204807228 U CN204807228 U CN 204807228U
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CN
China
Prior art keywords
protection tube
thermal resistance
resistance sensor
snorkel
open slot
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
Application number
CN201520475231.8U
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Chinese (zh)
Inventor
潘常青
安东辉
王波
李川均
梁刚
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Individual
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Individual
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Priority to CN201520475231.8U priority Critical patent/CN204807228U/en
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Publication of CN204807228U publication Critical patent/CN204807228U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an easily install thermal resistance sensor, 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, U type cap, be equipped with a spacer in the U type cap, the spacer is kept away from the open -ended part with U type cap and is formed an inclosed air chamber, still include, fixing bolt, the connector plug and the connector socket of pegging graft each other, the connector plug fasten in fixing bolt keep away from first protection tube one end and with the pin connection of thermal resistance, the connector socket is connected with the thermal resistance wire and is followed and draw forth with grafting direction vertically second direction the wire. This scheme provides corresponding disaster early warning mechanism, makes thermal resistance sensor's reliability reinforcing, and latent danger can be in time found and then the dangerous situation is got rid of, the good reliability, stability is high.

Description

One easily installs thermal resistance sensor
Technical field
The utility model relates to field of temperature measurement, particularly relates to one and easily installs thermal resistance sensor.
Background technology
Temperature sensor utilizes material when temperature variation, and its resistance is also along with the feature changed carrys out measuring tempeature.When the value of the resistance is changed, the instrument that works just demonstrates the temperature value corresponding to resistance value.It can detect automatically to the gas in wide temperature range, liquid medium and solid surface, signal outputs on secondary instrument by copper conductor, because it has good electric output characteristic, can be display instrument, registering instrument, regulator, scanner, datalogger and computer and accurate input value is provided.
At present; be installed in the thermal resistance in chemical reactor; residing for it, liquid environment is more severe; if thermal resistance breaks down catastrophic for initiation consequence; and corresponding disaster early warning mechanism is still short of at present for thermal resistance protective sleeve; the reliability causing thermal resistance sensor is strong, can not the potential danger of Timeliness coverage and then remove the dangerous condition.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and the one provided easily installs thermal resistance sensor.
For achieving the above object, the one that the utility model provides easily installs thermal resistance sensor, 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;
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; Be provided with a partition in described U-shaped cap, described partition and U-shaped cap form an airtight air chamber away from the part of opening, are filled with the inert gas of liquefaction in described air chamber; Partition can puncture and by air release in order to detect the impermeability of the first protection tube by the other end of described snorkel;
Also comprise; 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 partition is aluminium foil.
Preferably, the opposite side of described snorkel forms the puncture portion of syringe needle shape, and described puncture portion is easy to pierce through described aluminium foil.
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, Non-return air valve in described snorkel, described Non-return air valve allow gas from described air chamber flow to the first protection tube but do not allow gas back through.
The beneficial effects of the utility model are: the one that the utility model provides easily installs thermal resistance sensor; have employed two class protection 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 two class protection pipe; when temperature measurement module concuss; micro-displacement between 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; because the first protection tube provides mechanical protection to the second protection tube; when the impermeability disappearance of the first protection tube; second protection tube will face the challenge of severe chemical factors; so the second protection tube also likely damages when the first protection tube damages, and then jeopardize thermal resistance wherein.Pressure gas in the described air chamber of U-shaped cap pours in the first protection tube by snorkel; when losing impermeability when the first protection tube breakage; first protection tube will discharge gas; and then whether can lose efficacy according to the differentiation thermal resistance sensor of the convenient sources of bubble; avoiding problems and draw insecure result because thermal resistance is malfunctioning in experimentation, the Non-return air valve in snorkel to avoid in maintenance process ambient atmosphere for the pollution of air chamber.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.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of a kind of easy installation thermal resistance sensor one embodiment of the utility model;
Fig. 2 is the structural representation of temperature measurement module described in 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, snorkel;
107, partition;
20, connector body;
30, locking screw ring;
40, connector plug;
50, gland nut;
60, set bolt;
70, cable jacket;
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 Fig. 2, the utility model embodiment one easily installs thermal resistance sensor, comprising: temperature measurement module 10, connector body 20, locking screw ring 30, connector plug 40, gland nut 50, set bolt 60, cable jacket 70.
Specifically, as shown in Figure 2, temperature measurement module 10 is main working parts of this thermal resistance 104 sensor, temperature measurement module 10 comprises the first protection tube 101, be encapsulated in the second protection tube 103 in the first protection tube 101, first protection tube 101 is a sealed tube, first protection tube 101 circular pipe, first protection tube 101 can adopt the materials such as pottery to make, described stupalith is preferably withstand voltage pottery, second protection tube 103 at least arranges one, in fig. 2, second protection tube 103 is provided with two, second protection tube 103 adopts stainless steel to make, first protection tube 101 avoids mechanical damage for the protection of the second protection tube 103, and avoid the body oxidation corrosion of the second protection tube 103, as shown in Figure 2, first protection tube 101 inwall surrounds a cavity, at least one second protection tube 103 is welded with on the left of cavity, second protection tube 103 extends on the right side of cavity, linked together by several springs 102 between first protection tube 101 and the second protection tube 103, when temperature measurement module 10 is in the environment of concuss, spring 102 is conducive to abatement stress and avoids the weld bond between the first protection tube 101 and the second protection tube 103 to rupture.Magnesium oxide particle is filled with between first protection tube 101 and the second protection tube 103.Second protection tube 103, as shown in Figure 2, the left side outer wall of the second protection tube 103 welds with the inner left wall of the first protection tube 101, the inner left wall of the second protection tube 103 is fixedly connected with the thermal resistance 104 of hank curl, this thermal resistance 104 extends to the right side of the second protection tube 103, is filled with magnesium oxide particle in described second protection tube 103; Described second protection tube 103 internal perisporium is also provided with the open slot 1032 of several accommodating magnesium oxide particles, 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; 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.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 106, one end of described snorkel 106 and the inside conducting of the first protection tube 101;
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; Be provided with a partition 107 in described U-shaped cap 105, described partition 107 and U-shaped cap 105 form an airtight air chamber away from the part of opening, are filled with the inert gas of liquefaction in described air chamber; Partition 107 can puncture and by air release in order to detect the impermeability of the first protection tube by the other end of described snorkel;
Also comprise; 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 wire and to draw described wire along the second direction vertical with grafting direction.
As shown in Figure 1, set bolt 60 is thermal resistance 104 process type of attachment, and object is arranged on equipment according to certain placed-depth by thermal resistance 104.
As shown in Figure 1, gland nut 50 for connector plug 40 and set bolt 60 being fixed together, and allows connector plug 40 reliably be sealed with thermal resistance 104.
As shown in Figure 1, connector plug 40 back side and thermal resistance go between and reliably weld and be arranged in set bolt 60, and four, connector plug 40 front contact pin is reliably connected fast with connector body 20.
As shown in Figure 1, locking screw ring 30 is for locking connector plug, socket.Connector plug 40 and connector body 20 can tighten locking screw ring 30 rearward to inserting, and realize the reliable connection of connector on thermal resistance.
As shown in Figure 1, connector body 20 is connected for matching fast with connector plug 40.Connector body 20 is for the connection of thermal resistance wire in addition.
As shown in Figure 1, cable jacket 70, for thermal resistance wire lock sealing, can realize the sealing of thermal resistance IP67.Play the effect that thermal resistance wire is locked in addition.When rear end wire disturbance, vibration can not be delivered to thermal resistance quick coupler back panel wiring.
In a specific embodiment of the present utility model, described partition 107 is aluminium foil.
In a specific embodiment of the present utility model, the opposite side of described snorkel 106 forms the puncture portion of syringe needle shape (figure is not depending on going out), and described puncture portion is easy to pierce through described aluminium foil.
In a specific embodiment of the present utility model, the winding shape of thermal resistance described in each is identical.
In a specific embodiment of the present utility model, described first protection tube 101 is made up of withstand voltage pottery.
In a specific embodiment of the present utility model, described thermal resistance 104 is platinum resistance or copper resistance.
In a specific 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.
In a specific embodiment of the present utility model, Non-return air valve in described snorkel (figure is not depending on going out), described Non-return air valve allow gas from described air chamber flow to the first protection tube but do not allow gas back through.
In sum; the one that the utility model provides easily installs thermal resistance sensor; have employed two class protection 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 two class protection pipe; when temperature measurement module 10 concuss; micro-displacement between two class protection pipe offset by spring 102, improve serviceable life and the stability of temperature measurement module 10 further, temperature measurement module 10 be 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 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.The impermeability of the first protection tube 101 is detected by arranging U-shaped cap 105; because the first protection tube 101 provides mechanical protection to the second protection tube 103; when the impermeability disappearance of the first protection tube 101; second protection tube 103 will face the challenge of severe chemical factors; so the second protection tube 103 also likely damages when the first protection tube 101 damages, and then jeopardize thermal resistance 104 wherein.Pressure gas in the described air chamber of U-shaped cap 105 pours in the first protection tube 101 by snorkel 106; when losing impermeability when the first protection tube 101 breakage; first protection tube 101 will discharge gas; and then whether can lose efficacy according to the differentiation thermal resistance sensor of the convenient sources of bubble; avoiding problems and draw insecure result because thermal resistance is malfunctioning in experimentation, Non-return air valve in snorkel 106 (figure is not depending on going out) to avoid in maintenance process ambient atmosphere for the pollution of air chamber.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 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. easily a thermal resistance sensor is installed, it 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;
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; Be provided with a partition in described U-shaped cap, described partition and U-shaped cap form an airtight air chamber away from the part of opening, are filled with the inert gas of liquefaction in described air chamber; Partition can puncture and by air release in order to detect the impermeability of the first protection tube by the other end of described snorkel;
Also comprise; 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. one according to claim 1 easily installs thermal resistance sensor, it is characterized in that, described partition is aluminium foil.
3. one according to claim 2 easily installs thermal resistance sensor, it is characterized in that,
The opposite side of described snorkel forms the puncture portion of syringe needle shape, and described puncture portion is easy to pierce through described aluminium foil.
4. one according to claim 1 easily installs thermal resistance sensor, it is characterized in that, the winding shape of thermal resistance described in each is identical.
5. one according to claim 1 easily installs thermal resistance sensor, it is characterized in that, described first protection tube is made up of withstand voltage pottery.
6. one according to claim 1 easily installs thermal resistance sensor, it is characterized in that, described thermal resistance is platinum resistance or copper resistance.
7. one according to claim 1 easily installs thermal resistance sensor, it 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.
8. one according to claim 1 easily installs thermal resistance sensor, it is characterized in that, Non-return air valve in described snorkel, described Non-return air valve allow gas from described air chamber flow to the first protection tube but do not allow gas back through.
CN201520475231.8U 2015-06-30 2015-06-30 Easily install thermal resistance sensor Expired - Fee Related CN204807228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520475231.8U CN204807228U (en) 2015-06-30 2015-06-30 Easily install thermal resistance sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520475231.8U CN204807228U (en) 2015-06-30 2015-06-30 Easily install thermal resistance sensor

Publications (1)

Publication Number Publication Date
CN204807228U true CN204807228U (en) 2015-11-25

Family

ID=54592035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520475231.8U Expired - Fee Related CN204807228U (en) 2015-06-30 2015-06-30 Easily install thermal resistance sensor

Country Status (1)

Country Link
CN (1) CN204807228U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151125

Termination date: 20210630