CN219798561U - Special antiseep thermal resistor of power plant - Google Patents
Special antiseep thermal resistor of power plant Download PDFInfo
- Publication number
- CN219798561U CN219798561U CN202321180136.6U CN202321180136U CN219798561U CN 219798561 U CN219798561 U CN 219798561U CN 202321180136 U CN202321180136 U CN 202321180136U CN 219798561 U CN219798561 U CN 219798561U
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly connected
- thermal resistor
- power plant
- connecting pipe
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Resistors (AREA)
Abstract
The utility model discloses a special anti-leakage thermal resistor for a power plant, which relates to the technical field of thermal resistors and comprises a junction box, wherein a connecting pipe is fixedly connected to the bottom surface of the junction box, a fastening bolt is fixedly sleeved at the bottom end of the connecting pipe, a lower sleeve is fixedly connected to the bottom end of the fastening bolt, a thermal resistor element is sleeved on the outer wall of the lower sleeve, a thread groove is formed in the outer wall of one end of the lower sleeve, and a first sealing gasket is movably connected to the inner wall of the thread groove.
Description
Technical Field
The utility model relates to the technical field of thermal resistors, in particular to an anti-leakage thermal resistor special for a power plant.
Background
The thermal resistance is a temperature detector most commonly used in medium and low temperature areas, and the temperature measurement is performed based on the characteristic that the resistance value of a metal conductor increases with the increase of temperature. The method is mainly characterized by high measurement accuracy and stable performance, wherein the measurement accuracy of the platinum thermal resistor is highest, and the thermal resistor is required to be used for temperature measurement in high-temperature, high-pressure steam or water temperature of a power plant pipeline.
Among the prior art, as chinese patent CN210243021U discloses a nuclear power plant's quick response armor thermal resistor, including the terminal box, the protection tube, metal lead and resistance element, the upper end of protection tube and the lower extreme fixed connection of terminal box, the upper end of metal lead and the input fixed connection of terminal box, the lower extreme and the resistance element fixed connection of metal lead, resistance element is located the inside below setting of protection tube, the below of protection tube is equipped with the seal cover, the upper end of seal cover and the lower extreme fixed connection of protection tube, the inside of protection tube is equipped with the insulating tube of vertical setting, the upper end of insulating tube and the lower extreme fixed connection of terminal box, the metal lead is located the inside setting of insulating tube, and the lower extreme and the resistance element fixed connection of insulating tube.
However, in the prior art, in the long-term use process of the existing thermal resistor in a high-voltage environment, as the connecting part of the sleeve of the thermal resistor is provided with a certain gap, the long-term high voltage easily causes liquid to permeate into the thermal resistor element in the sleeve, so that the thermal resistor element is damaged due to the erosion interference of the liquid, and the measurement of the pipeline temperature of a power plant is affected.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, in the long-term use process of the traditional thermal resistor in a high-voltage environment, as a certain gap is formed at the connecting part of the sleeve of the thermal resistor, liquid is easy to permeate into the thermal resistor element in the sleeve due to long-term high voltage, so that the thermal resistor element is damaged due to the erosion and the interference of the liquid, and the measurement of the pipeline temperature of a power plant is affected.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a special antiseep thermal resistor of power plant, includes the terminal box, the bottom surface fixedly connected with connecting pipe of terminal box, fastening bolt has been cup jointed to the bottom mounting of connecting pipe, fastening bolt's bottom fixedly connected with lower part sleeve pipe, thermal resistor element has been cup jointed to lower part sheathed tube outer wall, the screw thread groove has been seted up to lower part sheathed tube one end outer wall, the inner wall swing joint of screw thread groove has first sealed pad, the inner wall threaded connection of screw thread groove has the screw thread connecting pipe, screw thread connecting pipe fixedly connected is at fastening bolt's outer wall, lower part sheathed tube one end outer wall fixedly connected with second is sealed to fill up.
Preferably, a sealing ring is arranged on one side of the thread groove, the sealing ring is fixedly connected to the outer wall of one end of the lower sleeve, and a cavity is formed in the sealing ring.
Preferably, the inner wall of the lower sleeve is provided with a fixing groove, and the inner wall of the sealing ring is fixedly connected with a sealing rubber plate.
Preferably, the top outer wall of the junction box is fixedly connected with a radiating fin.
Preferably, the top surface fixedly connected with marking plate of terminal box, one side fixedly connected with wiring pipe of terminal box.
Preferably, one end of the wiring tube is fixedly connected with a protective sleeve plate, and the inner wall of the protective sleeve plate is fixedly connected with a rubber plate.
Preferably, the outer wall of the protective sleeve plate is provided with a threading hole in a penetrating way.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the utility model, the lower sleeve is connected with the threaded connecting pipe on the fastening bolt through the threaded groove, and the first sealing gasket and the second sealing gasket are subjected to extrusion deformation along with the continuous screwing of the threaded connecting pipe in the threaded groove, so that the connecting gap between the fastening bolt and the lower sleeve is filled and sealed, and the anti-leakage effect of the utility model is improved.
2. According to the utility model, the wire extending out from the wire connecting in the junction box passes through the inside of the threading hole by utilizing the protective sleeve plate connected with one side of the junction box, and the outside of the cable is wrapped by the elasticity of the rubber plate, so that external dust is not easy to enter the inside of the junction box to generate dust accumulation to affect the use.
Drawings
FIG. 1 is a schematic diagram showing a three-dimensional structure of an anti-leakage thermal resistor special for a power plant;
FIG. 2 is a sectional view showing the internal structure of a special anti-leakage thermal resistor for a power plant;
FIG. 3 is an enlarged view showing the structure of the anti-leakage thermal resistor A in FIG. 2, which is specially used for a power plant;
FIG. 4 is a cross-sectional view of a part of a lower sleeve of a special anti-leakage thermal resistor for a power plant.
Legend description: 1. a junction box; 11. a heat sink; 12. a sign board; 13. a wire connection tube; 14. a protective sleeve plate; 15. a rubber plate; 16. a threading hole; 2. a connecting pipe; 3. a fastening bolt; 31. a threaded connecting pipe; 4. a lower sleeve; 41. a thread groove; 42. a first gasket; 43. a second gasket; 44. a seal ring; 441. a cavity; 45. a fixing groove; 46. sealing rubber plate; 5. a thermal resistance element.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1
As shown in fig. 1-4, the utility model provides a special anti-leakage thermal resistor for a power plant, which comprises a junction box 1, wherein a connecting pipe 2 is fixedly connected to the bottom surface of the junction box 1, a fastening bolt 3 is fixedly sleeved at the bottom end of the connecting pipe 2, a lower sleeve 4 is fixedly connected to the bottom end of the fastening bolt 3, a thermal resistor element 5 is sleeved on the outer wall of the lower sleeve 4, a thread groove 41 is formed in the outer wall of one end of the lower sleeve 4, a first sealing gasket 42 is movably connected to the inner wall of the thread groove 41, a threaded connecting pipe 31 is in threaded connection with the inner wall of the thread groove 41, the threaded connecting pipe 31 is fixedly connected to the outer wall of the fastening bolt 3, a second sealing gasket 43 is fixedly connected to the outer wall of one end of the lower sleeve 4, a sealing ring 44 is arranged on one side of the thread groove 41, the sealing ring 44 is fixedly connected to the outer wall of one end of the lower sleeve 4, and a cavity 441 is formed in the sealing ring 44.
In the following, the concrete arrangement and action of the present embodiment will be described specifically, by connecting the lower sleeve 4 with the threaded connecting tube 31 on the fastening bolt 3 through the threaded groove 41, as the threaded connecting tube 31 is continuously screwed into the threaded groove 41, the first sealing pad 42 and the second sealing pad 43 are deformed by extrusion, so that the connection gap between the fastening bolt 3 and the lower sleeve 4 is filled and sealed, thereby improving the anti-leakage effect of the present utility model, and by arranging the sealing ring 44, after the lower sleeve 4 is connected with the fastening bolt 3, the gas in the cavity 441 is extruded to expand to two sides and adhere to the surface of the thermal resistance element 5, thereby further sealing the upper portion of the thermal resistance element 5, and improving the sealing performance of the present utility model.
Example two
As shown in fig. 1-4, a fixing groove 45 is formed in the inner wall of the lower sleeve 4, a sealing rubber plate 46 is fixedly connected to the inner wall of the sealing ring 44, a radiating fin 11 is fixedly connected to the outer wall of the top of the junction box 1, a marking plate 12 is fixedly connected to the top surface of the junction box 1, a junction tube 13 is fixedly connected to one side of the junction box 1, a protective sleeve plate 14 is fixedly connected to one end of the junction tube 13, a rubber plate 15 is fixedly connected to the inner wall of the protective sleeve plate 14, and a threading hole 16 is formed in the outer wall of the protective sleeve plate 14 in a penetrating manner.
The effect that its whole embodiment reached is, through utilizing the multiunit sealing rubber plate 46 in the lower part sleeve pipe 4 to support between the outside of thermal resistance element 5 and the inner wall of lower part sleeve pipe 4 to improved the thermal resistance element 5 in the lower part sleeve pipe 4 and connect the steadiness, through utilizing the protective sleeve board 14 that terminal box 1 one side is connected, make the inside that the wire connecting extended in the terminal box 1 pass through wire hole 16, make the cable outside receive the parcel through the elasticity of rubber plate 15, thereby make outside dust be difficult for getting into the inside of terminal box 1 and produce dust accumulation influence use.
The application method and the working principle of the device are as follows: when the anti-leakage wire box is used, a user connects the lower sleeve 4 with the threaded connecting pipe 31 on the fastening bolt 3 through the threaded groove 41, the first sealing gasket 42 and the second sealing gasket 43 are subjected to extrusion deformation along with continuous screwing of the threaded connecting pipe 31 in the threaded groove 41, the connecting gap between the fastening bolt 3 and the lower sleeve 4 is filled and sealed, the anti-leakage effect of the anti-leakage wire box is improved, after the lower sleeve 4 is connected with the fastening bolt 3 through the arrangement of the sealing ring 44, gas in the cavity 441 is extruded to expand to two sides to be adhered to the surface of the thermal resistance element 5, the upper part of the thermal resistance element 5 is further sealed, the sealing performance of the anti-leakage wire box is improved, the plurality of groups of sealing rubber plates 46 in the lower sleeve 4 are used for supporting the outer part of the thermal resistance element 5 and the inner wall of the lower sleeve 4, the connection stability of the thermal resistance element 5 in the lower sleeve 4 is improved, wires extending out of the wire box 1 are easy to pass through the inner part of the wire through the wire box 16 through the elastic wire box 15, and dust is prevented from being accumulated outside the wire box 1.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a special antiseep thermal resistor of power plant, includes terminal box (1), its characterized in that: the utility model discloses a terminal box, including terminal box (1), terminal box, connecting pipe (1), connecting pipe (2), fastening bolt (3) have been cup jointed to the bottom mounting of connecting pipe (2), fastening bolt (3)'s bottom fixedly connected with lower part sleeve pipe (4), thermal resistance element (5) have been cup jointed to the outer wall of lower part sleeve pipe (4), screw thread groove (41) have been seted up to the one end outer wall of lower part sleeve pipe (4), the inner wall swing joint of screw thread groove (41) has first sealed pad (42), the inner wall threaded connection of screw thread groove (41) has screw thread connecting pipe (31), screw thread connecting pipe (31) fixedly connected with is at the outer wall of fastening bolt (3), the one end outer wall fixedly connected with second of lower part sleeve pipe (4) is sealed to be filled up (43).
2. The power plant-specific leakage-resistant thermal resistor of claim 1, wherein: one side of the thread groove (41) is provided with a sealing ring (44), the sealing ring (44) is fixedly connected to the outer wall of one end of the lower sleeve (4), and a cavity (441) is formed in the sealing ring (44).
3. The power plant-specific leakage-resistant thermal resistor of claim 2, wherein: the inner wall of the lower sleeve (4) is provided with a fixing groove (45), and the inner wall of the sealing ring (44) is fixedly connected with a sealing rubber plate (46).
4. The power plant-specific leakage-resistant thermal resistor of claim 1, wherein: and the top outer wall of the junction box (1) is fixedly connected with a radiating fin (11).
5. The power plant-specific leakage-resistant thermal resistor of claim 4, wherein: the top surface fixedly connected with marking plate (12) of terminal box (1), one side fixedly connected with terminal tube (13) of terminal box (1).
6. The power plant-specific leakage-resistant thermal resistor of claim 5, wherein: one end of the wiring tube (13) is fixedly connected with a protective sleeve plate (14), and the inner wall of the protective sleeve plate (14) is fixedly connected with a rubber plate (15).
7. The power plant-specific leakage-resistant thermal resistor of claim 6, wherein: the outer wall of the protective sleeve plate (14) is provided with a threading hole (16) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321180136.6U CN219798561U (en) | 2023-05-16 | 2023-05-16 | Special antiseep thermal resistor of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321180136.6U CN219798561U (en) | 2023-05-16 | 2023-05-16 | Special antiseep thermal resistor of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798561U true CN219798561U (en) | 2023-10-03 |
Family
ID=88157517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321180136.6U Active CN219798561U (en) | 2023-05-16 | 2023-05-16 | Special antiseep thermal resistor of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798561U (en) |
-
2023
- 2023-05-16 CN CN202321180136.6U patent/CN219798561U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105119069A (en) | Digital substation transformer high-voltage porcelain bush wiring chuck | |
| RU194013U1 (en) | CURRENT LIMITING DEVICE BASED ON HIGH TEMPERATURE SUPERCONDUCTIVITY | |
| CN219798561U (en) | Special antiseep thermal resistor of power plant | |
| CN201302473Y (en) | Water level temperature sensor of solar water heater | |
| CN206789778U (en) | A kind of high pressure-temperature insulated enclosure terminal screw | |
| RU152791U1 (en) | THROUGH TIP OF THE INTERNAL CABLE | |
| CN109521047B (en) | Transient hot wire method measuring device for two-phase flow heat conductivity coefficient | |
| CN215574801U (en) | Integrated multi-probe layered scanning high-precision measurement probe rod structure | |
| CN206038148U (en) | High temperature low temperature floats vibration sensor | |
| CN210625885U (en) | Thermocouple thermometer | |
| CN107607213B (en) | Thermocouple with shock-resistant insulation reinforcement function | |
| CN201476901U (en) | Temperature liquid level sensor for solar water heater | |
| CN202836812U (en) | Thermal resistor | |
| CN209264133U (en) | Temperature sensor fixture | |
| CN211829253U (en) | Photoelectric insulation shunt for cable | |
| CN220366919U (en) | High temperature resistant thermocouple | |
| CN217403546U (en) | Signal wire leading-out device based on sensor electric contact | |
| CN216524431U (en) | High-temperature and high-pressure resistant thermometer | |
| CN220063121U (en) | Explosion-proof type electric contact liquid level meter for boiler | |
| CN204947127U (en) | A kind of digital transformer substation is used uprises pressure porcelain bushing wiring collet | |
| CN203216965U (en) | Pulse high-voltage resistance voltage divider for vacuum environment | |
| CN220853919U (en) | Special temperature thermocouple for vacuum high-temperature furnace | |
| CN219244691U (en) | Vortex street shielding rod with heat dissipation function | |
| CN213462377U (en) | High-power combined type nano electric heating tube | |
| CN215815534U (en) | Conducting rod for railway power supply high-voltage switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |