CN213022061U

CN213022061U - High temperature resistant pressure transmitter

Info

Publication number: CN213022061U
Application number: CN202022069639.9U
Authority: CN
Inventors: 张超; 王海明; 王文秀; 王蓉
Original assignee: Tianjin Aiser Safety Technology Service Co ltd
Current assignee: Tianjin Aiser Safety Technology Service Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-20
Anticipated expiration: 2030-09-21

Abstract

The utility model provides a high temperature resistance pressure transmitter belongs to pressure transmitter technical field. The high-temperature-resistant pressure transmitter comprises a pressure transmitter main body, a heat dissipation assembly and a moving assembly. The heat dissipation assembly comprises annular heat dissipation fins, an air cooling pipe and a micro fan, wherein the annular heat dissipation fins are installed on the surface of the pressure transmitter main body at intervals, a sliding piece is sleeved on the surface of each annular heat dissipation fin in a sliding mode, and the air cooling pipe is fixed on the sliding piece. The utility model discloses an add the radiating efficiency that cyclic annular radiating fin improves the pressure transmitter main part, do benefit to the heat dissipation of pressure transmitter main part, through micro-fan and forced air cooling pipe cooperation, can carry out the forced air cooling to the pressure transmitter main part, improve the high temperature resistance performance of pressure transmitter main part, in addition, remove through micro motor drive forced air cooling pipe and rotate, do benefit to and carry out the forced air cooling to the different scopes of pressure transmitter main part, improve cooling, radiating effect.

Description

High temperature resistant pressure transmitter

Technical Field

The utility model relates to a pressure transmitter field particularly, relates to a high temperature resistant pressure transmitter.

Background

The pressure transmitter is a device for converting pressure into pneumatic signals or electric signals for control and remote transmission, and is widely applied to industrial practice.

The existing pressure transmitter has poor heat dissipation effect, and is easy to damage when used in a high-temperature environment.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a high temperature resistant pressure transmitter aims at improving the poor problem of traditional pressure transmitter radiating effect.

The utility model discloses a realize like this:

the utility model provides a high temperature resistance pressure transmitter, including pressure transmitter main part, radiator unit and removal subassembly.

The radiator unit includes cyclic annular radiating fin, forced air cooling pipe and micro-fan, cyclic annular radiating fin interval installation is in pressure transmitter main part surface, the slider has been cup jointed in the slip of cyclic annular radiating fin surface, forced air cooling pipe is fixed in the slider, micro-fan give vent to anger the end with forced air cooling pipe intercommunication, the orientation has been seted up on forced air cooling pipe surface the gas outlet of pressure transmitter main part, it includes slewing bearing and micro motor to remove the subassembly, slewing bearing's inner circle fastening is cup jointed pressure transmitter main part surface, micro motor install in pressure transmitter main part surface, just micro motor's output shaft with slewing bearing's outer lane transmission is connected, slewing bearing's outer lane pass through the connecting piece with slider fixed connection.

In an embodiment of the present invention, the annular heat dissipation fin is sleeved on the surface of the pressure transmitter main body, and the inner wall of the annular heat dissipation fin and the heat conduction silicone grease layer are provided between the pressure transmitter main bodies.

In an embodiment of the present invention, the cross-section of the annular heat dissipating fin is wavy, and the surface of the annular heat dissipating fin is provided with an annular groove.

In an embodiment of the present invention, the sliding member is a U-shaped plate, the surface of the sliding member is provided with a hemispherical protrusion, and the hemispherical protrusion is slidably inserted into the annular groove.

The utility model discloses an in the embodiment, air-cooled pipe surface mounting has the semiconductor refrigeration piece, just the refrigeration face of semiconductor refrigeration piece is located the air-cooled pipe.

The utility model discloses an in the embodiment, the face of heating of semiconductor refrigeration piece is located the air-cooled pipe is outside, just the face of heating of semiconductor refrigeration piece bonds through the heat conduction silica gel interval and has the fin.

In an embodiment of the present invention, the output shaft of the micro motor is keyed with a gear, and the gear is engaged with the tooth portion of the outer ring of the slewing bearing.

The utility model discloses an in an embodiment, the connecting piece includes sleeve pipe, first connecting rod and second connecting rod, the sleeve pipe is fixed slewing bearing's outer lane surface, first connecting rod slidable mounting be in the sleeve pipe, just the one end of first connecting rod pass through the spring with the slewing bearing outer lane is connected, the second connecting rod install in the slider surface, the first connecting rod other end is provided with the inserted block, the slot has been seted up to second connecting rod tip, the inserted block peg graft in the slot inslot.

In an embodiment of the present invention, the first connecting rod and the second connecting rod are threaded rods, and the first connecting rod is screwed with a threaded sleeve, and the threaded sleeve is screwed with the second connecting rod.

The utility model discloses an in the embodiment, slewing bearing's outer lane is provided with the arch, pressure transmitter main part surface mounting has the limiting plate, the limiting plate is located on the bellied removal orbit.

The utility model has the advantages that: the utility model discloses a high temperature resistant pressure transmitter that above-mentioned design obtained, during the use, improve the radiating efficiency of pressure transmitter main part through cyclic annular radiating fin, do benefit to the heat dissipation of pressure transmitter main part, start miniature fan, can blow pressure transmitter main part surface with external gas through the forced air cooling pipe, can carry out the forced air cooling to the pressure transmitter main part, improve the high temperature resistance of pressure transmitter main part, furthermore, start miniature motor, can drive slider and forced air cooling pipe and rotate, change the blowing scope of the gas in the forced air cooling pipe, do benefit to and cool off the different scopes of pressure transmitter main part, dispel the heat, improve radiating effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a high temperature resistant pressure transmitter provided by an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a pressure transmitter main body and an annular heat dissipation fin provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a point a in fig. 1 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an annular heat dissipation fin according to an embodiment of the present invention;

fig. 5 is a schematic view of a connecting member structure according to an embodiment of the present invention.

In the figure: 100-a pressure transmitter body; 110-a limiting plate; 200-a heat dissipation assembly; 210-ring fins; 211-annular groove; 220-air-cooled pipes; 230-a micro fan; 240-a slide; 241-hemispherical bulges; 250-air outlet; 260-semiconductor refrigerating sheet; 300-a moving assembly; 310-slewing bearing; 311-bumps; 320-a micro motor; 321-a gear; 330-a connector; 331-a sleeve; 332-a first link; 333-a second link; 334-a spring; 335-an insert block; 336-slot; 337-thread insert.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a high temperature resistant pressure transmitter, which includes a pressure transmitter body 100, a heat sink assembly 200 and a movable assembly 300.

Wherein, radiator unit 200 sets up on pressure transmitter main part 100 surface, and this radiator unit 200 is used for carrying out the cooling process to pressure transmitter main part 100, reduces pressure transmitter main part 100's temperature, improves pressure transmitter main part 100's high temperature resistance, does benefit to pressure transmitter main part 100's use, and removal component 300 is used for removing radiator unit 200, changes radiator unit 200's coverage, improves the radiating effect.

Referring to fig. 1-4, the heat dissipation assembly 200 includes an annular heat dissipation fin 210, an air-cooled tube 220 and a micro fan 230, the annular heat dissipation fin 210 is installed on the surface of the pressure transmitter main body 100 at an interval, a sliding member 240 is slidably sleeved on the surface of the annular heat dissipation fin 210, the air-cooled tube 220 is fixed on the sliding member 240, an air outlet end of the micro fan 230 is communicated with the air-cooled tube 220, an air outlet 250 facing the pressure transmitter main body 100 is opened on the surface of the air-cooled tube 220, in the specific implementation, the annular heat dissipation fin 210 is additionally provided to improve the heat dissipation effect of the pressure transmitter main body 100, thereby facilitating the heat dissipation of the pressure transmitter main body 100 and the cooling of the pressure transmitter main body 100, the annular heat dissipation fin 210 can be made of a metal material with good heat conductivity, such as copper and aluminum, the micro fan 230 is started to convey the external air into the air-cooled, can carry out the forced air cooling to pressure transmitter main part 100, do benefit to the use of pressure transmitter main part 100.

In this embodiment, the annular heat dissipation fins 210 are sleeved on the surface of the pressure transmitter main body 100, and a heat conduction silicone grease layer is arranged between the inner wall of the annular heat dissipation fins 210 and the pressure transmitter main body 100, and the arrangement of the heat conduction silicone grease layer is beneficial to heat transfer and heat dissipation of the pressure transmitter main body 100 by the annular heat dissipation fins 210; the section of the annular heat dissipation fin 210 is wavy, and the surface of the annular heat dissipation fin 210 is provided with an annular groove 211 which is wavy, so that the heat dissipation area of the annular heat dissipation fin 210 can be increased, and heat dissipation is facilitated; the sliding member 240 is a U-shaped plate, the surface of the sliding member 240 is provided with a hemispherical protrusion 241, the hemispherical protrusion 241 is inserted into the groove of the annular groove 211 in a sliding manner, the annular groove 211 limits the moving range of the hemispherical protrusion 241, and the possibility that the sliding member 240 is separated from the annular heat dissipation fin 210 can be reduced;

it can be understood that the surface of the air-cooled tube 220 is provided with the semiconductor refrigeration sheet 260, the refrigeration surface of the semiconductor refrigeration sheet 260 is positioned on the air-cooled tube 220, and the semiconductor refrigeration sheet 260 is additionally arranged, so that the gas inside the air-cooled tube 220 can be cooled and cooled, and the gas inside the air-cooled tube 220 can be used for cooling and cooling the pressure transmitter main body 100; the face of heating of semiconductor refrigeration piece 260 is located the forced air cooling pipe 220 outside, and the face of heating of semiconductor refrigeration piece 260 has the fin through heat conduction silica gel interval bonding, adds the fin, does benefit to and cools down the processing to semiconductor refrigeration piece 260, and this fin can be copper sheet or aluminum sheet.

Referring to fig. 1, 2, 3 and 5, the moving assembly 300 includes a rotary support 310 and a micro-motor 320, the inner ring of the rotary support 310 is tightly sleeved on the surface of the pressure transmitter body 100, the micro-motor 320 is mounted on the surface of the pressure transmitter body 100, and the output shaft of the micro motor 320 is in transmission connection with the outer ring of the rotary support 310, the outer ring of the rotary support 310 is fixedly connected with the sliding member 240 through the connecting member 330, in practical application, the micro motor 320 is activated to drive the outer ring of the pivoting support 310 to rotate, further, the connecting member 330 is rotated, and the connecting member 330 can drive the sliding member 240 and the air-cooling pipe 220 to rotate, so as to change the blowing range of the air in the air-cooling pipe 220, thereby facilitating cooling and heat dissipation in different ranges of the pressure transmitter main body 100, and improving the range of heat dissipation, the micro motor 320 may be a servo motor, and an output shaft of the micro motor 320 may rotate forward and backward.

In this embodiment, the output shaft of the micro motor 320 is keyed with a gear 321, the gear 321 is engaged with the tooth portion of the outer ring of the slewing bearing 310, and the gear 321 can drive the output shaft of the micro motor 320 to transmit with the outer ring of the slewing bearing 310, so that the micro motor 320 can drive the outer ring of the slewing bearing 310 to rotate;

the connecting piece 330 comprises a sleeve 331, a first connecting rod 332 and a second connecting rod 333, the sleeve 331 is fixed on the surface of the outer ring of the slewing bearing 310, the first connecting rod 332 is slidably mounted in the sleeve 331, one end of the first connecting rod 332 is connected with the outer ring of the slewing bearing 310 through a spring 334, the second connecting rod 333 is mounted on the surface of the sliding piece 240, the other end of the first connecting rod 332 is provided with an insertion block 335, the end of the second connecting rod 333 is provided with an insertion slot 336, the insertion block 335 is inserted into the insertion slot 336, the first connecting rod 332 and the second connecting rod 333 are connected, so that the sliding piece 240 and the outer ring of the slewing bearing 310 are connected together, and the sliding piece 240 is driven to rotate by the outer ring of the slewing bearing 310; the first connecting rod 332 and the second connecting rod 333 are threaded rods, the surface of the first connecting rod 332 is in threaded connection with the threaded sleeve 337, the threaded sleeve 337 is in threaded connection with the second connecting rod 333, and the threaded sleeve 337 is additionally arranged, so that the connection between the first connecting rod 332 and the second connecting rod 333 is more stable;

it can be understood that the outer ring of the slewing bearing 310 is provided with the protrusion 311, the surface of the pressure transmitter main body 100 is provided with the limiting plate 110, the limiting plate 110 is located on the moving track of the protrusion 311, the limiting plate 110 is used for limiting the moving range of the protrusion 311, and further limiting the rotating range of the outer ring of the slewing bearing 310, and the possibility that the rotating angle of the outer ring of the slewing bearing 310 exceeds 360 ° can be reduced.

Specifically, the working principle of the high-temperature-resistant pressure transmitter is as follows: when the pressure transmitter main body 100 is used, the annular heat dissipation fins 210 are additionally arranged on the surface of the pressure transmitter main body 100, so that the heat dissipation efficiency of the pressure transmitter main body 100 can be improved, the heat dissipation of the pressure transmitter main body 100 is facilitated, the micro fan 230 is started, the outside air can be delivered into the air-cooled pipe 220, the air in the air-cooled pipe 220 can be blown to the surface of the pressure transmitter body 100 through the air outlet 250, the pressure transmitter main body 100 can be cooled by air cooling, the high temperature resistance of the pressure transmitter main body 100 is improved, the use of the pressure transmitter main body 100 is facilitated, in addition, the micro motor 320 is started, the outer ring of the slewing bearing 310 can be driven to rotate, further, the connecting member 330 is rotated, and the connecting member 330 can drive the sliding member 240 and the air-cooling pipe 220 to rotate, so that the blowing range of the air in the air-cooling pipe 220 can be changed, cooling and heat dissipation can be performed in different ranges of the pressure transmitter main body 100, and the heat dissipation effect can be improved.

It should be noted that the specific model specifications of the pressure transmitter main body 100, the micro-fan 230, the semiconductor refrigeration sheet 260 and the micro-motor 320 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the pressure transmitter body 100, the micro fan 230, the semiconductor cooling plate 260 and the micro motor 320 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high temperature resistant pressure transmitter is characterized by comprising

A pressure transmitter body (100);

the heat dissipation assembly (200) comprises annular heat dissipation fins (210), an air cooling pipe (220) and a micro fan (230), wherein the annular heat dissipation fins (210) are arranged on the surface of the pressure transmitter main body (100) at intervals, a sliding piece (240) is sleeved on the surface of the annular heat dissipation fins (210) in a sliding mode, the air cooling pipe (220) is fixed on the sliding piece (240), the air outlet end of the micro fan (230) is communicated with the air cooling pipe (220), and the surface of the air cooling pipe (220) is provided with an air outlet (250) facing the pressure transmitter main body (100);

the moving assembly (300) comprises a rotary support (310) and a micro motor (320), the inner ring of the rotary support (310) is tightly sleeved on the surface of the pressure transmitter main body (100), the micro motor (320) is installed on the surface of the pressure transmitter main body (100), the output shaft of the micro motor (320) is in transmission connection with the outer ring of the rotary support (310), and the outer ring of the rotary support (310) is fixedly connected with the sliding piece (240) through a connecting piece (330).

2. The high-temperature-resistant pressure transmitter of claim 1, wherein the annular heat dissipation fins (210) are sleeved on the surface of the pressure transmitter main body (100), and a heat-conducting silicone layer is arranged between the inner wall of the annular heat dissipation fins (210) and the pressure transmitter main body (100).

3. The high-temperature-resistant pressure transmitter of claim 1, wherein the cross section of the annular heat dissipation fin (210) is wavy, and an annular groove (211) is formed on the surface of the annular heat dissipation fin (210).

4. The high-temperature-resistant pressure transmitter of claim 3, wherein the sliding member (240) is a U-shaped plate, and a hemispherical protrusion (241) is arranged on the surface of the sliding member (240), and the hemispherical protrusion (241) is slidably inserted into the groove of the annular groove (211).

5. The high-temperature-resistant pressure transmitter as claimed in claim 1, wherein a semiconductor cooling plate (260) is installed on the surface of the air-cooled pipe (220), and the cooling surface of the semiconductor cooling plate (260) is located on the air-cooled pipe (220).

6. The high-temperature-resistant pressure transmitter as claimed in claim 5, wherein the heating surface of the semiconductor cooling plate (260) is located outside the air-cooled pipe (220), and the heating surface of the semiconductor cooling plate (260) is bonded with cooling fins at intervals by heat-conducting silica gel.

7. The high-temperature-resistant pressure transmitter of claim 1, wherein the output shaft of the micromotor (320) is keyed with a gear (321), and the gear (321) is meshed with the tooth part of the outer ring of the slewing bearing (310).

8. The high-temperature-resistant pressure transmitter of claim 1, wherein the connecting member (330) comprises a sleeve (331), a first connecting rod (332) and a second connecting rod (333), the sleeve (331) is fixed on the outer ring surface of the slewing bearing (310), the first connecting rod (332) is slidably mounted in the sleeve (331), one end of the first connecting rod (332) is connected with the outer ring of the slewing bearing (310) through a spring (334), the second connecting rod (333) is mounted on the surface of the sliding member (240), the other end of the first connecting rod (332) is provided with an insert (335), an end of the second connecting rod (333) is provided with a slot (336), and the insert (335) is inserted into the slot (336).

9. The high-temperature-resistant pressure transmitter of claim 8, wherein the first connecting rod (332) and the second connecting rod (333) are both threaded rods, and a threaded sleeve (337) is threaded on the surface of the first connecting rod (332), and the threaded sleeve (337) is in threaded connection with the second connecting rod (333).

10. The high-temperature-resistant pressure transmitter of claim 1, wherein the outer ring of the slewing bearing (310) is provided with a protrusion (311), a limiting plate (110) is mounted on the surface of the pressure transmitter main body (100), and the limiting plate (110) is located on a moving track of the protrusion (311).