CN213932869U - Explosion-proof temperature sensor - Google Patents
Explosion-proof temperature sensor Download PDFInfo
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- CN213932869U CN213932869U CN202022942475.6U CN202022942475U CN213932869U CN 213932869 U CN213932869 U CN 213932869U CN 202022942475 U CN202022942475 U CN 202022942475U CN 213932869 U CN213932869 U CN 213932869U
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- installation shell
- explosion
- temperature sensor
- connecting rod
- sealing ring
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Abstract
The utility model discloses an explosion-proof temperature sensor belongs to the temperature sensor field, including installation shell, connecting rod, thermal resistance element, protection bucket, sealed lid, wiring screw thread, revolve wrong a section of thick bamboo, sealing washer, curved groove, connect the cooling structure, sealed lid revolves wrong cartridge in the protection bucket, the wiring thread groove is opened on the installation shell right side, revolve wrong a section of thick bamboo and revolve wrong cartridge in the wiring thread groove, the sealing washer slides and inlays the dress in the installation shell, curved groove ring-type is opened in sealing washer surface middle part, it installs on the connecting rod to connect the cooling structure. Through the hookup location middle part between sealed lid and installation shell increase one deck protection bucket, when exploding in the installation shell, the explosion strikes and at first causes the destruction to the protection bucket, and then the protection bucket has been destroyed and has absorbed partial explosion energy, and then reduces and strike this sensor, extrudees the cable after the pressurized through the sealing washer that has crooked groove, and then strengthens the leakproofness of electric wiring.
Description
Technical Field
The utility model relates to a temperature sensor field, especially an explosion-proof temperature sensor.
Background
A temperature sensor (temperature transducer) refers to a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument and has a plurality of varieties. The measurement method can be divided into a contact type and a non-contact type, and the measurement method can be divided into a thermal resistor and a thermocouple according to the characteristics of sensor materials and electronic elements.
The existing explosion-proof temperature sensor is complex in structure, and the explosion-proof seal at the electric wiring part is generally sealed in a mode of pressure-free attachment of a sealing ring, so that the explosion-proof effect is poor, the existing explosion-proof temperature sensor only carries out explosion-proof through a layer of cover body when electric arcs or explosion occurs in a wiring box, the explosion-proof effect is poor, and therefore the explosion-proof temperature sensor for solving the problems is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing in the background art, designed an explosion-proof temperature sensor.
The technical scheme of the utility model for, realize above-mentioned purpose is, an explosion-proof temperature sensor, including installation shell, connecting rod, thermal resistance element, protection bucket, sealed lid, wiring screw thread, revolve wrong cartridge, sealing washer, curved groove, connect the cooling structure, the connecting rod revolves wrong cartridge in the installation shell lower extreme, thermal resistance element revolves wrong cartridge in the connecting rod lower extreme, the protection bucket revolves wrong cartridge in the installation shell, sealed lid revolves wrong cartridge and contacts in protection bucket and its upper portion outer fringe and installation shell upper portion edge, the wiring thread groove is opened on the installation shell right side, it revolves wrong cartridge in the wiring thread groove to revolve wrong cartridge, the sealing washer slides to inlay and contacts in the installation shell and its left end and installation shell, the curved groove ring-type is opened in sealing washer surface middle part, connect the cooling structure and install on the connecting rod.
Furthermore, the connection cooling structure comprises a cooling box and two refrigerant ports, the cooling box is fixedly sleeved on the upper portion of the connecting rod, and the two refrigerant ports are respectively installed on the upper portion of the cooling box and the lower portion of the cooling box.
Furthermore, a wiring block is arranged in the installation shell, the wiring block is fixedly installed at the lower portion in the installation shell, a wiring terminal is arranged on the wiring block, and the wiring terminals are fixedly installed on the wiring block.
Furthermore, the installation shell is provided with a sealing ring, and the sealing ring is embedded in the joint of the upper part of the sealing cover and the upper part of the installation shell and is positioned above the protective barrel.
Furthermore, the installation shell is provided with a grounding bolt, and the grounding bolt is screwed and inserted on the outer wall of the right side of the installation shell.
Advantageous effects
The utility model provides an explosion-proof temperature sensor, which has the following beneficial effects that through the structural design of the device, a layer of protective barrel is added in the middle of the connecting position between a sealing cover and an installation shell, when explosion occurs in the installation shell, the explosion impact firstly damages the protective barrel, and then the protective barrel is damaged to absorb partial explosion energy, thereby reducing the impact on the sensor and further enhancing the explosion-proof effect;
the cable is extruded after being pressed by the sealing ring with the bending groove, so that the sealing performance of the electrical connection is enhanced, and the problem that the existing sealing ring is not tightly attached to the cable due to the fact that the cable is not extruded in a memorability mode is solved, and the sealing performance is poor;
the cooling medium port on the cooling structure is connected with an external circulating air source or cooling liquid, so that the connecting rod is cooled when the cooling liquid passes through the cooling box, and the inner part of the mounting shell is prevented from being overheated.
Drawings
Fig. 1 is a schematic structural diagram of the explosion-proof temperature sensor of the present invention;
fig. 2 is a schematic sectional view of the mounting case portion of the present invention;
fig. 3 is an enlarged schematic view of a portion a shown in fig. 2 according to the present invention.
In the figure, 1, a housing is installed; 2. a connecting rod; 3. a thermal resistance element; 4. a protective barrel; 5. a sealing cover; 6. a wiring thread; 7. screwing the barrel; 8. a seal ring; 9. a curved groove; 10. a cooling box; 11. a refrigerant port; 12. a junction block; 13. a binding post; 14. a seal ring; 15. and a grounding bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof temperature sensor comprises an installation shell 1, a connecting rod 2, a thermal resistance element 3, a protection barrel 4, a sealing cover 5, a wiring thread 6, a screwing barrel 7, a sealing ring 8, a bent groove 9 and a connection cooling structure, wherein the connecting rod 2 is screwed and inserted at the lower end of the installation shell 1, the thermal resistance element 3 is screwed and inserted at the lower end of the connecting rod 2, the protection barrel 4 is screwed and inserted in the installation shell 1, the sealing cover 5 is screwed and inserted in the protection barrel 4, the outer edge of the upper part of the sealing cover is contacted with the edge of the upper part of the installation shell 1, the wiring thread 6 groove is arranged at the right side of the installation shell 1, the screwing barrel 7 is screwed and inserted in the wiring thread 6 groove, the sealing ring 8 is slidably embedded in the installation shell 1, the left end of the sealing ring 8 is contacted with the installation shell 1, the bent groove 9 is annularly arranged in the middle of the outer surface of the sealing ring 8, the connection cooling structure is arranged on the connecting rod 2, the thermal resistance element 3 is a platinum resistor for temperature sensing.
The utility model discloses in, connect cooling structure includes cooling box 10, refrigerant mouth 11, cooling box 10 is fixed suit in 2 upper portions of connecting rod, two refrigerant mouth 11 is installed respectively in cooling box 10 upper portions and cooling box 10 lower parts, and the during operation is through putting through circulating coolant with refrigerant mouth 11, and then utilizes the medium to enter into refrigerant mouth 11 and then get into cooling box 10 inner loop, and then realizes the initiative cooling to connecting rod 2 in cooling box 10, avoids high temperature to transmit in installation shell 1 through connecting rod 2.
The utility model discloses in, be equipped with terminal block 12 in the installation shell 1, lower part in installation shell 1 is fixed mounting to terminal block 12, be equipped with terminal 13 on terminal block 12, it is a plurality of terminal 13 fixed mounting is on terminal block 12, through terminal 13 on terminal block 12, and then with external line connection on terminal 13, then distribute to thermal resistance element 3.
The utility model discloses in, be equipped with sealing ring 14 on the installation shell 1, sealing ring 14 inlays and adorns in sealed lid 5 upper portions and 1 upper portion junction of installation shell and be located protection bucket 4 tops, and sealing ring 14 is the silicon rubber material, fills the gap of being connected between installation shell 1 and the sealed lid 5 through sealing ring 14, and then has strengthened the sealed degree between installation shell 1 and sealed lid 5, plays the flame proof effect.
The utility model discloses in, be equipped with earth bolt 15 on the installation shell 1, earth bolt 15 revolves soon to twist the cartridge on 1 right side outer wall of installation shell, carries out ground connection to installation shell 1 through earth bolt 15, and then reduces because of static or electric leakage production electric arc.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, and specific connection and control sequences.
In this embodiment:
the sensor realizes temperature sensing through a thermal resistance element 3 arranged on a connecting rod 2 on an installation shell 1, the bottom surface of a protection barrel 4 of the sensor is thinned, and when explosion occurs in the installation shell 1, the protection barrel 4 is punctured, so that the explosion energy is reduced, and the sensor is protected;
during installation, the sealing ring 8 is pushed to move leftwards by screwing the screwing cylinder 7 and then pushing the screwing cylinder 7, the sealing ring 8 is extruded by the obstruction of the installation shell 1, and then under the condition that the inner and outer stress of the sealing ring 8 is uneven due to the arrangement of the bending groove 9, the middle part of the sealing ring 8 moves inwards in the radial direction, so that the outer wall of an electric circuit is extruded, the electric connection is sealed, and the flame-proof and explosion-proof effects are achieved;
the threaded connection parts in the sensor are all explosion-proof threads, and the number of the thread layers of the explosion-proof threads is more than five, so that a good explosion-proof effect is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An explosion-proof temperature sensor comprises an installation shell (1), a connecting rod (2), a thermal resistance element (3), a protective barrel (4), a sealing cover (5), a wiring thread (6), a screwing barrel (7), a sealing ring (8), a bending groove (9) and a connection cooling structure, wherein the connecting rod (2) is screwed and inserted at the lower end of the installation shell (1), the thermal resistance element (3) is screwed and inserted at the lower end of the connecting rod (2), the explosion-proof temperature sensor is characterized in that the protective barrel (4) is screwed and inserted in the installation shell (1), the sealing cover (5) is screwed and inserted in the protective barrel (4) and the upper outer edge of the sealing cover is contacted with the upper edge of the installation shell (1), the wiring thread (6) groove is arranged at the right side of the installation shell (1), the screwing barrel (7) is screwed and inserted in the wiring thread (6) groove, the sealing ring (8) slides in the installation shell (1) and the left end of the sealing ring is contacted with the installation shell (1), the bending groove (9) is annularly formed in the middle of the outer surface of the sealing ring (8), and the connecting and cooling structure is arranged on the connecting rod (2).
2. The explosion-proof temperature sensor of claim 1, wherein the connecting and cooling structure comprises a cooling box (10) and cooling medium ports (11), the cooling box (10) is fixedly sleeved on the upper portion of the connecting rod (2), and the two cooling medium ports (11) are respectively arranged on the upper portion of the cooling box (10) and the lower portion of the cooling box (10).
3. The explosion-proof temperature sensor according to claim 1, characterized in that a junction block (12) is arranged in the mounting shell (1), the junction block (12) is fixedly arranged at the inner lower part of the mounting shell (1), a binding post (13) is arranged on the junction block (12), and the binding posts (13) are fixedly arranged on the junction block (12).
4. The explosion-proof temperature sensor of claim 1, characterized in that, the mounting shell (1) is provided with a sealing ring (14), the sealing ring (14) is embedded in the joint of the upper part of the sealing cover (5) and the upper part of the mounting shell (1) and is positioned above the protective barrel (4).
5. The explosion-proof temperature sensor according to claim 1, characterized in that the mounting shell (1) is provided with a grounding bolt (15), and the grounding bolt (15) is screwed and inserted on the outer wall of the right side of the mounting shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022942475.6U CN213932869U (en) | 2020-12-11 | 2020-12-11 | Explosion-proof temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022942475.6U CN213932869U (en) | 2020-12-11 | 2020-12-11 | Explosion-proof temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932869U true CN213932869U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022942475.6U Active CN213932869U (en) | 2020-12-11 | 2020-12-11 | Explosion-proof temperature sensor |
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| CN (1) | CN213932869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820044A (en) * | 2021-11-25 | 2021-12-21 | 东营昱辰技术有限公司 | Temperature transmitter capable of preventing water hammer impact |
-
2020
- 2020-12-11 CN CN202022942475.6U patent/CN213932869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820044A (en) * | 2021-11-25 | 2021-12-21 | 东营昱辰技术有限公司 | Temperature transmitter capable of preventing water hammer impact |
| CN113820044B (en) * | 2021-11-25 | 2022-03-01 | 东营昱辰技术有限公司 | Temperature transmitter capable of preventing water hammer impact |
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Address after: 225500 No. 39 Chuangye Road, modern science and Technology Industrial Park, Luotang street, Jiangyan District, Taizhou City, Jiangsu Province Patentee after: JIANGSU TAIPUTE ELECTRICAL APPARATUS & METER CO.,LTD. Address before: 225500 Taiyu village, Luotang street, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: JIANGSU TAIPUTE ELECTRICAL APPARATUS & METER CO.,LTD. |