CN212988617U - Temperature measuring device for transformer substation switch cabinet - Google Patents
Temperature measuring device for transformer substation switch cabinet Download PDFInfo
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- CN212988617U CN212988617U CN202021993243.7U CN202021993243U CN212988617U CN 212988617 U CN212988617 U CN 212988617U CN 202021993243 U CN202021993243 U CN 202021993243U CN 212988617 U CN212988617 U CN 212988617U
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- temperature measuring
- wing plate
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- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model provides a temperature measuring device for transformer substation's cubical switchboard. This technical scheme adopts the physical thermometer with contact mode collection equipment surface temperature, has improved the mounting structure of thermometer on this basis. Specifically, the temperature-sensitive structure is arranged in the convex rear shell, the wing plate with the hook is arranged on the outer wall of the rear shell and is fixedly connected with the matched spring, so that an annular cohesive structure is formed, and the temperature-sensitive structure can be bound on the surface of a rod-shaped object to be measured based on the elasticity of the spring to achieve the temperature measurement effect; the cambered surface of back casing rear end can fully guarantee the laminating effect, simultaneously, has add on the casing inner wall of back and has played protruding metal pole inwards, and this metal pole is pressed close to hot bimetallic strip side, helps promoting the conduction of heat to hot bimetallic strip. The utility model is suitable for using the rod-shaped object in the switch cabinet as the attachment point; use the utility model discloses, not only guaranteed good laminating nature, the installation is stable moreover, the dismouting and the maintenance of being convenient for simultaneously.
Description
Technical Field
The utility model relates to a fortune dimension technical field of transformer substation, concretely relates to temperature measuring device for transformer substation's cubical switchboard.
Background
The switch cabinet is an electrical device formed by installing related high-low voltage electrical appliances such as control, measurement, protection and the like, insulators, buses, current-carrying conductors and other devices in a closed or semi-closed metal cabinet by taking a circuit breaker as a main body on the basis of an electrical primary main wiring drawing of a manufacturing enterprise, is also called as a complete switch or a complete power distribution device, and has the functions of receiving and distributing power.
In the operation process of a transformer substation switch cabinet, when the contact of the contact is poor, the temperature of the contact is increased due to the increase of the resistance of the contact part, and the power failure can be caused by burning in serious cases; in addition, surface oxidation and joint loosening and aging may occur during long-term operation, thereby causing overheating of equipment and even serious accidents. Therefore, the temperature measurement of the transformer substation switch cabinet is an important link of the inspection work. In the prior art, researchers have taken infrared as a medium to acquire temperature data, which has the advantages of avoiding direct contact on one hand and rapidly acquiring measurement results on the other hand, and this mode has been widely used in recent years. However, the method has certain defects that firstly, the temperature measurement precision is low, compared with the traditional thermometer, the infrared temperature measurement device is greatly influenced by the environment, and the deviation generally exists after the infrared temperature measurement device is used for a long time; moreover, the infrared temperature measuring device essentially belongs to an electric appliance, and other electric appliances are introduced into a switch cabinet with densely-installed electric equipment, so that certain potential safety hazards exist.
The conventional thermometer can overcome the problems, but in order to truly reflect the temperature of the switch cabinet, the thermometer needs to be ensured to be in close contact with the surface of equipment (because the air thermal resistance is large, the real temperature is difficult to reflect by a suspension mode); meanwhile, the thermometer is installed stably and is convenient to detach and maintain. In the prior art, the above installation problem of the conventional thermometer in the switch cabinet is not effectively solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: how to develop a thermometer that can stably install in cubical switchboard, and laminate closely with the equipment surface, the dismouting of being convenient for simultaneously.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
the temperature measuring device for the transformer substation switch cabinet comprises a meter shell, a rear shell, a fixing groove, a thermal bimetallic strip, an outer lug, an inner lug, a barrel, a notch, a fixing rod, a meter pointer, a metal rod, an arc surface, a wing plate, a hook, a spring and a ring body, wherein the rear shell is fixedly connected with the rear shell at the rear end of the meter shell, the fixing groove is fixedly connected with the inner wall of the rear shell, the outer lug is arranged at the outer end of the thermal bimetallic strip and is clamped and fixed in the fixing groove, the inner lug is arranged at the inner end of the thermal bimetallic strip, the barrel is provided with the notch which is longitudinally communicated, the inner lug is inserted into the notch, the fixing rod is arranged at the front end of the barrel, the meter pointer is fixedly connected on the fixing rod, the meter pointer is positioned in the meter shell, the metal rod is fixedly connected on the inner wall of the rear shell and; the rear end of the rear shell is provided with an arc surface, the outer wall of the rear shell is fixedly connected with a wing plate, the edge of the wing plate is provided with a hook, the tail end of the spring is provided with a ring body, and the ring body and the hook are mutually connected.
Preferably, the device further comprises a to-be-tested object which is in a rod shape, wherein the spring is bound on the rear side of the to-be-tested object, and the cambered surface at the rear end of the rear shell is attached to the front side of the to-be-tested object.
Preferably, the device further comprises a hoop; wherein, the connection structure of pterygoid lamina and back casing is as follows: the anchor ear is clasped and fixed on the outer wall of the rear shell, and the wing plate and the anchor ear are screwed and fixed through bolts.
Preferably, the monitoring device further comprises a camera, the shooting direction of the camera faces to the front side of the watch case, and the camera is in remote communication connection with the monitoring system.
Preferably, the watch further comprises a lighting device, and the lighting direction of the lighting device faces to the front side of the watch case.
In the technical scheme, the watch case is used for accommodating a watch hand and marking necessary scales; the rear shell is used for accommodating and protecting moving components such as the fixed groove, the thermal bimetallic strip and the cylinder body; the fixing groove on the inner wall of the rear shell is used for fixing the outer protruding sheet of the thermal bimetallic strip; the thermal bimetallic strip is formed by attaching two metal sheets with different linear expansion coefficients, when the temperature changes, the inner lug can rotate under the condition that the outer lug is fixed due to different thermal expansion of the two metals, so that the pointer is driven to deflect to indicate the temperature, and the specific principle can refer to the general technical common knowledge in the field of bimetallic thermometers; the thermal bimetallic strip is commercially available as a whole; the outer convex sheet is used for keeping fixation; the inner convex sheet is used for driving the barrel to rotate when the temperature changes, and the gauge needle can be driven to rotate to indicate the temperature as the gauge needle is arranged on the fixed rod at the front end of the barrel; the cylinder body is used for bearing the pointer through a fixed rod at the front end of the cylinder body, is provided with a notch, and is used for inserting a metal rod on the inner wall of the rear shell into the notch, so that the metal rod is ensured to be close to the thermal bimetallic strip as much as possible, and heat is effectively conducted to the thermal bimetallic strip as much as possible; the opening is used for inserting the inner lug, so that the rotation of the inner lug can drive the cylinder body to rotate; the fixed rod is used for bearing the pointer; the gauge needle is used for indicating the temperature; the metal rod plays a role in heat conduction and is used for effectively conducting heat to the thermal bimetallic strip as much as possible; the cambered surface at the rear end of the rear shell is used for being well attached to the surface of a rod-shaped object to be measured, so that the heat conduction effect is better; the wing plate is used for arranging a hook; the couple is used for articulating with the terminal ring body of spring to form annular cohesion structure, based on the elasticity of spring, can bind it on shaft-like determinand surface, not only the laminating nature is good, and the structure is firm moreover, and convenient to detach.
The utility model provides a temperature measuring device for transformer substation's cubical switchboard. This technical scheme adopts the physical thermometer with contact mode collection equipment surface temperature, has improved the mounting structure of thermometer on this basis. Specifically, the temperature-sensitive structure is arranged in the convex rear shell, the wing plate with the hook is arranged on the outer wall of the rear shell and is fixedly connected with the matched spring, so that an annular cohesive structure is formed, and the temperature-sensitive structure can be bound on the surface of a rod-shaped object to be measured based on the elasticity of the spring to achieve the temperature measurement effect; the cambered surface of back casing rear end can fully guarantee the laminating effect, simultaneously, has add on the casing inner wall of back and has played protruding metal pole inwards, and this metal pole is pressed close to hot bimetallic strip side, helps promoting the conduction of heat to hot bimetallic strip. The utility model is suitable for using the rod-shaped object in the switch cabinet as the attachment point; use the utility model discloses, not only guaranteed good laminating nature, the installation is stable moreover, the dismouting and the maintenance of being convenient for simultaneously.
Drawings
FIG. 1 is a view of the overall structure of the present invention;
FIG. 2 is a view of the structure of the present invention after the spring is removed;
FIG. 3 is a view showing the structure of the watch case and the back case of the present invention;
FIG. 4 is an exploded view of the watch case, back case, and contents of the back case of the present invention;
FIG. 5 is an exploded view of the rear housing, the thermal bimetal, the barrel, and the pointer of the present invention;
in the figure:
1. watch case 2, back case 3, fixing groove 4, thermal bimetal
5. Outer lug 6, inner lug 7, barrel 8 and gap
9. Fixed rod 10, watch hand 11, metal rod 12, cambered surface
13. Wing plate 14, hook 15, spring 16 and ring body
17. And (5) hooping.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A temperature measuring device for a transformer substation switch cabinet comprises a meter shell 1, a rear shell 2, a fixed groove 3, a thermal bimetallic strip 4, an outer convex strip 5, an inner convex strip 6, a cylinder 7, a gap 8, a fixed rod 9, a meter hand 10, a metal rod 11, an arc surface 12, a wing plate 13, a hook 14, a spring 15 and a ring body 16, wherein the rear shell 2 is fixedly connected to the rear end of the meter shell 1, the fixed groove 3 is fixedly connected to the inner wall of the rear shell 2, the outer end of the thermal bimetallic strip 4 is provided with the outer convex strip 5, the outer convex strip 5 is clamped and fixed in the fixed groove 3, the inner end of the thermal bimetallic strip 4 is provided with the inner convex strip 6, the cylinder 7 is provided with the gap 8 which is longitudinally communicated, the inner convex strip 6 is inserted into the gap 8, the fixed rod 9 is arranged at the front end of the cylinder 7, the meter hand 10 is fixedly connected to the fixed rod 9, the meter hand 10 is positioned in the meter shell 1, the metal rod, the metal rod 11 extends into the cylinder 7, and the metal rod 11 does not contact the cylinder 7 and the inner convex sheet 6; the rear end of the rear shell 2 is provided with an arc surface 12, the outer wall of the rear shell 2 is fixedly connected with a wing plate 13, the edge of the wing plate 13 is provided with a hook 14, the tail end of a spring 15 is provided with a ring body 16, and the ring body 16 and the hook 14 are mutually hung.
The device has the following structural characteristics: the watch case 1 is used for accommodating a watch hand 10 and marking necessary scales; the rear shell 2 is used for accommodating and protecting moving components such as the fixed groove 3, the thermal bimetallic strip 4, the cylinder 7 and the like; the fixing groove 3 on the inner wall of the rear shell 2 is used for fixing the convex sheet 5 of the thermal bimetallic strip 4; the thermal bimetallic strip 4 is formed by attaching two metal sheets with different linear expansion coefficients, when the temperature changes, the inner lug 6 can rotate under the condition that the outer lug 5 is fixed due to different thermal expansion of the two metals, so that the pointer 10 is driven to deflect to indicate the temperature, and the specific principle can refer to the common technical common knowledge in the field of bimetallic thermometers; the thermal bimetallic strip 4 is wholly commercially available; the outer tab 5 is intended to remain fixed; the inner lug 6 is used for driving the barrel 7 to rotate when the temperature changes, and the gauge needle 10 can be driven to rotate to indicate the temperature as the gauge needle 10 is arranged on the fixed rod 9 at the front end of the barrel 7; the cylinder 7 is used for bearing a pointer 10 through a fixing rod 9 at the front end of the cylinder, is provided with a notch 8, and is used for inserting a metal rod 11 on the inner wall of the rear shell 2 into the notch, so that the metal rod 11 is close to the thermal bimetallic strip 4 as much as possible, and heat is effectively conducted to the thermal bimetallic strip 4 as much as possible; the notch 8 is used for inserting the inner lug 6, so that the rotation of the inner lug 6 can drive the cylinder 7 to rotate; the fixed rod 9 is used for bearing the pointer 10; the gauge needle 10 is used for indicating temperature; the metal rod 11 plays a role in heat conduction and is used for effectively conducting heat to the thermal bimetallic strip 4 as much as possible; the cambered surface 12 at the rear end of the rear shell 2 is used for being well attached to the surface of a rod-shaped object to be measured, so that the heat conduction effect is better; the wing plate 13 is used for arranging a hook 14; the hook 14 is used for hooking with the ring body 16 at the tail end of the spring 15, so that an annular cohesive structure is formed, the hook can be bound on the surface of a rod-shaped object to be detected based on the elasticity of the spring 15, the attachment is good, the structure is stable, and the hook is convenient to detach.
Example 2
A temperature measuring device for a transformer substation switch cabinet comprises a meter shell 1, a rear shell 2, a fixed groove 3, a thermal bimetallic strip 4, an outer convex strip 5, an inner convex strip 6, a cylinder 7, a gap 8, a fixed rod 9, a meter hand 10, a metal rod 11, an arc surface 12, a wing plate 13, a hook 14, a spring 15 and a ring body 16, wherein the rear shell 2 is fixedly connected to the rear end of the meter shell 1, the fixed groove 3 is fixedly connected to the inner wall of the rear shell 2, the outer end of the thermal bimetallic strip 4 is provided with the outer convex strip 5, the outer convex strip 5 is clamped and fixed in the fixed groove 3, the inner end of the thermal bimetallic strip 4 is provided with the inner convex strip 6, the cylinder 7 is provided with the gap 8 which is longitudinally communicated, the inner convex strip 6 is inserted into the gap 8, the fixed rod 9 is arranged at the front end of the cylinder 7, the meter hand 10 is fixedly connected to the fixed rod 9, the meter hand 10 is positioned in the meter shell 1, the metal rod, the metal rod 11 extends into the cylinder 7, and the metal rod 11 does not contact the cylinder 7 and the inner convex sheet 6; the rear end of the rear shell 2 is provided with an arc surface 12, the outer wall of the rear shell 2 is fixedly connected with a wing plate 13, the edge of the wing plate 13 is provided with a hook 14, the tail end of a spring 15 is provided with a ring body 16, and the ring body 16 and the hook 14 are mutually hung.
Meanwhile, the device also comprises a to-be-tested object which is rod-shaped, wherein the spring 15 is bound on the rear side of the to-be-tested object, and the cambered surface 12 at the rear end of the rear shell 2 is attached to the front side of the to-be-tested object. Also comprises a hoop 17; the connection structure of the wing plate 13 and the rear shell 2 is as follows: the anchor ear 17 is clasped and fixed on the outer wall of the rear shell 2, and the wing plate 13 is screwed and fixed with the anchor ear 17 through bolts. The monitoring device is characterized by further comprising a camera, wherein the shooting direction of the camera faces the front side of the watchcase 1, and the camera is in remote communication connection with the monitoring system. And also comprises a lighting device, the lighting direction of the lighting device faces the front side of the watch case 1.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A temperature measuring device for a transformer substation switch cabinet is characterized by comprising a meter shell (1), a rear shell (2), a fixing groove (3), a hot bimetallic strip (4), an outer lug (5), an inner lug (6), a barrel (7), a notch (8), a fixing rod (9), a gauge needle (10), a metal rod (11), an arc surface (12), a wing plate (13), a hook (14), a spring (15) and a ring body (16), wherein the rear end of the meter shell (1) is fixedly connected with the rear shell (2), the fixing groove (3) is fixedly connected on the inner wall of the rear shell (2), the outer lug (5) is arranged at the outer end of the hot bimetallic strip (4), the outer lug (5) is clamped and fixed in the fixing groove (3), the inner lug (6) is arranged at the inner end of the bimetallic strip (4), the notch (8) which is longitudinally communicated is arranged on the barrel (7), and the inner lug (6) is inserted into the notch (8), a fixing rod (9) is arranged at the front end of the barrel (7), a pointer (10) is fixedly connected to the fixing rod (9), the pointer (10) is positioned inside the watchcase (1), a metal rod (11) is fixedly connected to the inner wall of the rear shell (2), the metal rod (11) extends into the barrel (7), and the metal rod (11) is not in contact with the barrel (7) and the inner convex sheet (6); the rear end of the rear shell (2) is provided with an arc surface (12), the outer wall of the rear shell (2) is fixedly connected with a wing plate (13), the edge of the wing plate (13) is provided with a hook (14), the tail end of a spring (15) is provided with a ring body (16), and the ring body (16) and the hook (14) are mutually hooked.
2. The temperature measuring device for the substation switch cabinet according to claim 1, further comprising a to-be-measured object, wherein the to-be-measured object is rod-shaped, the spring (15) is bound on the rear side of the to-be-measured object, and the cambered surface (12) at the rear end of the rear shell (2) is attached to the front side of the to-be-measured object.
3. The temperature measuring device for substation cabinets of claim 1, further comprising a hoop (17); wherein, the connection structure of the wing plate (13) and the rear shell (2) is as follows: the anchor ear (17) is clasped and fixed on the outer wall of the rear shell (2), and the wing plate (13) and the anchor ear (17) are screwed and fixed through bolts.
4. The temperature measuring device for the substation switchgear cabinet according to claim 1, further comprising a camera, wherein the shooting direction of the camera faces to the front side of the meter shell (1), and the camera is in remote communication connection with the monitoring system.
5. Temperature measuring device for substation cabinets according to claim 4, further comprising a lighting device, the lighting direction of which is directed towards the front side of the watch case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993243.7U CN212988617U (en) | 2020-09-14 | 2020-09-14 | Temperature measuring device for transformer substation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021993243.7U CN212988617U (en) | 2020-09-14 | 2020-09-14 | Temperature measuring device for transformer substation switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212988617U true CN212988617U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021993243.7U Active CN212988617U (en) | 2020-09-14 | 2020-09-14 | Temperature measuring device for transformer substation switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212988617U (en) |
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2020
- 2020-09-14 CN CN202021993243.7U patent/CN212988617U/en active Active
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