CN217179778U

CN217179778U - Protection device of temperature transmitter

Info

Publication number: CN217179778U
Application number: CN202220801536.3U
Authority: CN
Inventors: 高青松; 李峰
Original assignee: Anhui Adda Automation Equipment Co ltd
Current assignee: Anhui Adda Automation Equipment Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-12
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a protective device of a temperature transmitter, which comprises a temperature changer, wherein a sensing cavity for measuring temperature is arranged in the temperature changer, the outer wall of one side of the sensing cavity body close to the temperature changer is provided with a heat insulation layer for insulating temperature, and the outer wall of one side of the heat insulation layer far away from the sensing cavity is provided with a heat insulation mechanism, the bottom of the temperature changer is provided with an installation shell, one side wall of the installation shell close to the operation end of the temperature changer is provided with a pipe hole, and one side threaded connection that the temperature becomes ware was kept away from to the installation shell has transparent protection cover, transparent protection cover is close to one side inner wall that the temperature becomes ware and is provided with the dampproofing mechanism that is used for dry temperature to become ware operation environment, the utility model discloses be convenient for play dual thermal-insulated effect to the sensing cavity, the problem that the temperature measurement is too high and leads to the outside terminal box high temperature of temperature change ware when preventing the operation of sensing cavity reduces the temperature and becomes the impaired possibility because of the high temperature.

Description

Protection device of temperature transmitter

Technical Field

The utility model relates to a temperature transmitter technical field specifically is a temperature transmitter's protector.

Background

The temperature transmitter is also called as a temperature changer, a thermocouple and a thermal resistor are used as temperature measuring elements, signals output by the temperature measuring elements are sent to a transmitter module, and are converted into 4-20 mA current signals 0-5V/0-10V voltage signals in linear relation with temperature after being processed by circuits such as voltage stabilizing filtering, operational amplification, nonlinear correction, V/I conversion, constant current and reverse protection, and RS485 digital signals are output.

The operation of temperature sensing is carried out through the inside sensing cavity to current temperature transmitter, when measuring high temperature (being greater than 100 degrees centigrade), the sensing cavity is heated and can be with heat conduction to temperature transmitter's outside terminal box, need set up the filler isolation between sensing cavity and temperature transmitter's outside terminal box, play thermal-insulated effect, but thermal-insulated effect of thermal-insulated structure between current temperature transmitter and the inside sensing cavity is general, the temperature measurement is too high when easily because of the operation of sensing cavity, and lead to the too high problem of temperature transmitter outside terminal box temperature, lead to temperature transmitter to take place impaired because of the high temperature.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that current temperature transmitter in use exists, the utility model provides a temperature transmitter's protector.

The utility model provides a temperature transmitter's protector, includes the temperature changer, the inside sensing cavity who is used for the temperature measurement that is provided with of temperature changer, one side outer wall that the sensing cavity is close to the temperature changer is provided with the heat insulating layer that is used for keeping apart the temperature, and one side outer wall that the sensing cavity was kept away from on the heat insulating layer is provided with thermal-insulated mechanism, the temperature changer bottom is provided with the installation shell, the installation shell is close to a lateral wall of temperature changer operation end and has seted up the tube hole, and threaded connection has transparent protection cover on one side that the temperature changer was kept away from to the installation shell, one side inner wall that transparent protection cover is close to the temperature changer is provided with the dampproofing mechanism who is used for dry temperature changer operation environment.

Furthermore, heat-proof mechanism includes insulating layer and a plurality of thermal-insulated piece, the insulating layer sets up and is close to the inner wall department on one side of sensing cavity at the temperature changer, and is provided with the cavity between insulating layer and the heat insulation layer, and is a plurality of the thermal-insulated piece sets up in the cavity, and is a plurality of the one end equidistance of thermal-insulated piece sets up the inner wall department on one side that the insulating layer is close to the heat insulation layer, and the other end equidistance of thermal-insulated piece sets up the outer wall department on one side that the sensing cavity was kept away from on the heat insulation layer.

Furthermore, the joint of the installation shell and the temperature transformer is provided with a bolt for fixedly installing the temperature transformer, and a thread notch for being in threaded connection with the transparent protective cover is formed in the side wall of the installation shell close to one side of the transparent protective cover.

Furthermore, a sealing ring is arranged on the inner wall of one side, close to the thread groove opening, of the transparent protective cover.

Further, dampproofing mechanism is including depositing pipe, drier and push pedal, it is the inner wall department that the annular setting is close to the temperature ware at transparent protection cover around the perpendicular central line that the temperature becomes the ware to deposit the pipe, the drier sets up the intracavity at the pipe of depositing the pipe, the mouth of pipe that is used for placing the drier is offered on one side of depositing the pipe, and deposits the inside wall of pipe and seted up the spout, push pedal sliding connection is in the spout, and the operation end of push pedal wears to locate the lumen of depositing the pipe.

The utility model has the advantages that:

1. the temperature changer is fixed in the mounting shell through bolts by adopting the matching of the heat insulation layer, the heat insulation mechanism, the mounting shell and the transparent protective cover, and further is in threaded connection with the mounting shell through the transparent protective cover, so that the temperature changer is convenient to have a certain external protection effect, and the possibility that the temperature changer is damaged due to direct impact of an external object is reduced; meanwhile, the glass wool has good heat insulation performance through the heat insulation layer, so that the heat insulation effect on the sensing cavity is preliminarily achieved, the heat insulation layer is convenient to isolate contact between the heat insulation layer and the heat insulation layer through the matching of the cavity and the heat insulation block made of rock wool, the heat conduction during the operation of the sensing cavity is reduced, the heat insulation layer has good heat insulation performance through the use of an aluminum silicate heat insulation material, the double heat insulation effect on the sensing cavity is achieved, the problem that the temperature of an external junction box of the temperature transformer is too high due to overhigh temperature measurement during the operation of the sensing cavity is solved, the possibility that the temperature transformer is damaged due to high temperature is reduced, and a certain internal protection effect on the temperature transformer is achieved; the operation stability of the temperature changer is convenient to be improved through the double protection of the inner part and the outer part.

2. Adopt installation shell, transparent protection cover and dampproofing cooperation of mechanism, through depositing the drier of placing in the pipe, and then make the drier pass through the spout and adsorb the humid gas in the installation shell internal environment with the mouth of pipe contact, be convenient for play certain dampproofing drying effect to the operation environment of temperature change ware, reduce the erosion of moisture to the temperature change ware, improve its life, and then through push pedal and spout sliding connection, be convenient for release deposit the drier in the pipe, the convenient maintenance of changing.

Drawings

FIG. 1 is a perspective view of a mounting housing;

FIG. 2 is a cross-sectional view of the warmer;

fig. 3 is a bottom view of the transparent protective cover.

1. A temperature changer; 2. a sensing cavity; 3. a thermal insulation layer; 4. a heat insulation mechanism; 41. a thermal insulation layer; 42. a heat resistant block; 5. mounting a shell; 6. a transparent protective cover; 7. a moisture-proof mechanism; 71. a storage tube; 72. a desiccant; 73. pushing the plate; 8. a cavity; 9. a bolt; 10. a threaded socket; 11. a seal ring; 12. a pipe orifice; 13. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

A protection device of a temperature transmitter is shown in figures 1-3 and comprises a temperature changer 1, wherein a sensing cavity 2 for measuring temperature is arranged in the temperature changer 1, a heat insulation layer 3 for insulating temperature is arranged on the outer wall of one side, close to the temperature changer 1, of the sensing cavity 2, the heat insulation layer 3 is made of glass wool, the glass wool has good heat insulation performance through a heat insulation layer 41, and a certain heat insulation effect is conveniently and preliminarily achieved on the sensing cavity 2, and the protection device is shown in figures 1 and 2.

The outer wall of one side of the heat insulation layer 3, which is far away from the sensing cavity 2, is provided with a heat insulation mechanism 4, the heat insulation mechanism 4 comprises a heat insulation layer 41 and a plurality of heat resistance blocks 42, the heat insulation layer 41 is arranged on the inner wall of one side of the temperature changer 1, which is close to the sensing cavity 2, and the heat insulation layer 41 is made of an aluminum silicate heat insulation material; the heat insulation layer 41 has good heat insulation performance by using an aluminum silicate heat insulation material, so that a double heat insulation effect is conveniently achieved on the sensing cavity 2, the problem that the temperature of the external junction box of the temperature changer 1 is too high due to too high temperature measurement during operation of the sensing cavity 2 is solved, the possibility that the temperature changer 1 is damaged due to high temperature is reduced, and a certain internal protection effect is conveniently achieved on the temperature changer 1, and the heat insulation layer is shown in fig. 1 and 2.

A cavity 8 is arranged between the heat insulation layer 41 and the heat insulation layer 3, a plurality of heat resistance blocks 42 are arranged in the cavity 8, one ends of the heat resistance blocks 42 are equidistantly arranged on the inner wall of one side of the heat insulation layer 41 close to the heat insulation layer 3, the other ends of the heat resistance blocks 42 are equidistantly arranged on the outer wall of one side of the heat insulation layer 3 far away from the sensing cavity 2, and the heat resistance blocks 42 are made of rock wool; through the cooperation of cavity 8 and rock wool material's thermal-insulated piece 42, be convenient for keep apart the contact of thermal-insulated layer 3 and insulating layer 41, heat-conduction when reducing sensing cavity 2 operation refers to fig. 1, 2.

The bottom of the temperature changer 1 is provided with an installation shell 5, and a pipe hole is formed in one side wall of the installation shell 5, which is close to the operation end of the temperature changer 1, so that an external detection circuit can be conveniently connected and installed. A transparent protective cover 6 is screwed on one side of the mounting case 5 away from the thermostat 1, so that a worker can visually observe the use condition of the internal desiccant 72 conveniently, as shown in fig. 1 and 3.

A bolt 9 for fixedly mounting the temperature changer 1 is arranged at the joint of the mounting shell 5 and the temperature changer 1, and a threaded notch 10 for being in threaded connection with the transparent protective cover 6 is formed in the side wall of the mounting shell 5 close to one side of the transparent protective cover 6; the temperature changer 1 is fixed in the installation shell 5 through the bolt 9, and then is in threaded connection with the installation shell 5 through the transparent protection cover 6, so that a certain external protection effect on the temperature changer 1 is achieved, and the possibility that the temperature changer 1 is damaged due to direct impact of an external object is reduced; further, the operation stability of the temperature changer 1 is improved by the double protection of the inside and the outside. A sealing ring 11 is disposed on an inner wall of the transparent protection cover 6 near the screw notch 10, so as to improve the connection sealing property between the transparent protection cover 6 and the mounting case 5, as shown in fig. 1 and 3.

The inner wall of one side of the transparent protection cover 6 close to the thermostat 1 is provided with a moisture-proof mechanism 7 for drying the operating environment of the thermostat 1, the moisture-proof mechanism 7 comprises a storage tube 71, a desiccant 72 and a push plate 73, the storage tube 71 is annularly arranged on the inner wall of one side of the transparent protection cover 6 close to the thermostat 1 around the vertical center line of the thermostat 1, the desiccant 72 is arranged in a tube cavity of the storage tube 71, the desiccant 72 is made of allochroic silica gel, a tube opening 12 for placing the desiccant 72 is arranged on one side of the storage tube 71, a sliding groove 13 penetrating through an inner cavity of the storage tube 71 is arranged on the inner side wall of the storage tube 71, the push plate 73 is slidably connected in the sliding groove 13, and the operating end of the push plate 73 penetrates through the tube cavity of the storage tube 71. Through depositing the drier 72 of placing in the pipe 71, and then make drier 72 pass through spout 13 and the moist gas in the contact adsorption installation shell 5 internal environment of mouth of pipe 12, be convenient for play certain dampproofing drying effect to the operational environment of temperature change ware 1, reduce the erosion of moisture to temperature change ware 1, improve its life, and then through push pedal 73 and spout 13 sliding connection, be convenient for release the drier 72 of depositing in the pipe 71, convenient change is maintained, refer to fig. 1, fig. 3.

It is understood that the described embodiments are merely exemplary of the invention, rather than exemplary of the whole, and that those skilled in the art will be able to make various modifications, additions and substitutions to the described embodiments without departing from the spirit of the invention or exceeding the scope of the claims. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure.

Claims

1. A protection device of a temperature transmitter comprises a temperature changer (1), wherein a sensing cavity (2) for measuring temperature is arranged in the temperature changer (1), it is characterized in that the outer wall of one side of the sensing cavity (2) close to the temperature changer (1) is provided with a heat insulation layer (3) for insulating temperature, and a heat insulation mechanism (4) is arranged on the outer wall of one side of the heat insulation layer (3) far away from the sensing cavity (2), the bottom of the temperature changer (1) is provided with an installation shell (5), one side wall of the installation shell (5) close to the operation end of the temperature changer (1) is provided with a pipe hole, and one side of the mounting shell (5) far away from the temperature changer (1) is connected with a transparent protective cover (6) by screw thread, the transparent protective cover (6) is provided with a moisture-proof mechanism (7) used for drying the working environment of the temperature changer (1) on the inner wall of one side close to the temperature changer (1).

2. The protection device of the temperature transmitter according to claim 1, wherein the heat insulation mechanism (4) comprises a heat insulation layer (41) and a plurality of heat blocks (42), the heat insulation layer (41) is arranged on an inner wall of the temperature changer (1) close to the sensing cavity (2), a cavity (8) is arranged between the heat insulation layer (41) and the heat insulation layer (3), the heat blocks (42) are arranged in the cavity (8), one ends of the heat blocks (42) are equidistantly arranged on an inner wall of the heat insulation layer (41) close to the heat insulation layer (3), and the other ends of the heat blocks (42) are equidistantly arranged on an outer wall of the heat insulation layer (3) far away from the sensing cavity (2).

3. The protection device for the temperature transmitter as claimed in claim 1, wherein the joint between the mounting shell (5) and the temperature transformer (1) is provided with a bolt (9) for fixing the temperature transformer (1), and a side wall of the mounting shell (5) close to the transparent protection cover (6) is provided with a threaded notch (10) for being in threaded connection with the transparent protection cover (6).

4. A protection device for a temperature transmitter according to claim 3, characterized in that the transparent protection cover (6) is provided with a sealing ring (11) on the inner wall of the side near the threaded notch (10).

5. The protection device of a temperature transmitter according to claim 1, wherein the moisture-proof mechanism (7) comprises a storage tube (71), a desiccant (72) and a push plate (73), the storage tube (71) is annularly arranged at an inner wall of one side of the transparent protection cover (6) close to the temperature transmitter (1) around a vertical center line of the temperature transmitter (1), the desiccant (72) is arranged in a tube cavity of the storage tube (71), a tube opening (12) for placing the desiccant (72) is arranged at one side of the storage tube (71), a sliding groove (13) is arranged on an inner side wall of the storage tube (71), the push plate (73) is slidably connected in the sliding groove (13), and an operation end of the push plate (73) is arranged in the tube cavity of the storage tube (71).