阅读说明：本技术 一种耐高温仪表内部温度检测装置 (High temperature resistant instrument internal temperature detection device ) 是由 常静 于 2020-11-24 设计创作，主要内容包括：本发明公开了一种耐高温仪表内部温度检测装置,包括仪器仪表和设置在仪器仪表内部的检测装置,仪器仪表由仪表外壳和上盖组合构成,其仪表外壳的内腔中设置有仪表内芯,仪表外壳的右侧壁上设置有进液管道,且其左侧壁上设置有出液管道和进线管道,仪表外壳由外层壳体、中层壳体和内层壳体组合构成,外层壳体和中层壳体之间通过第一连接杆相连接,且外层壳体和中层壳体之间的内腔中填充有保温石棉,中层壳体和内层壳体之间通过第二连接杆相连接；通过将仪表外壳设置成由外层壳体、中层壳体和内层壳体三层结构组合构成,并在外层壳体和中层壳体之间的内腔中填充有保温石棉,从而有效提高仪表外壳的隔热效果,从而有效提高其仪表的耐高温强度。(The invention discloses a temperature detection device in a high-temperature-resistant instrument, which comprises an instrument and a detection device arranged in the instrument, wherein the instrument is formed by combining an instrument shell and an upper cover, an instrument inner core is arranged in an inner cavity of the instrument shell, a liquid inlet pipeline is arranged on the right side wall of the instrument shell, a liquid outlet pipeline and a wire inlet pipeline are arranged on the left side wall of the instrument shell, the instrument shell is formed by combining an outer shell, a middle shell and an inner shell, the outer shell and the middle shell are connected through a first connecting rod, heat-preservation asbestos is filled in an inner cavity between the outer shell and the middle shell, and the middle shell and the inner shell are connected through a second connecting rod; the instrument shell is formed by combining an outer shell, a middle shell and an inner shell in a three-layer structure, and heat-preservation asbestos is filled in an inner cavity between the outer shell and the middle shell, so that the heat insulation effect of the instrument shell is effectively improved, and the high-temperature resistance strength of the instrument is effectively improved.)

1. The utility model provides an inside temperature-detecting device of high temperature resistant instrument, includes instrument and meter (1) and sets up the detection device in instrument and meter (1) inside, instrument and meter (1) comprises instrument case (2) and upper cover (3) combination, is provided with instrument inner core, its characterized in that in the inner chamber of its instrument case (2): be provided with inlet liquid pipeline (6) on the right side wall of instrument shell (2), and be provided with liquid outlet pipe way (7) and inlet wire pipeline (8) on its left side wall, instrument shell (2) comprises outer casing (9), middle level casing (10) and inlayer casing (11) combination, be connected through first connecting rod (12) between outer casing (9) and middle level casing (10), and it has the heat preservation asbestos to fill in the inner chamber between outer casing (9) and middle level casing (10), be connected through second connecting rod (13) between middle level casing (10) and inlayer casing (11), the open position department of instrument shell (2) is provided with pressure release subassembly (16), pressure release subassembly (16) symmetries altogether are provided with a set ofly.

2. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: the back of instrument shell (2) is provided with installing support (4), installing support (4) are the symmetry altogether and are provided with a set ofly, and have seted up mounting groove (5) on installing support (4).

3. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: the outer shell (9), the middle shell (10) and the inner shell (11) are all made of heat insulating materials, the liquid inlet pipeline (6) and the liquid outlet pipeline (7) are communicated with a cavity between the middle shell (10) and the inner shell (11), and the wire inlet pipeline (8) is communicated with an inner cavity of the inner shell (11).

4. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: the panel of upper cover (3) comprises first plate body (14) and second plate body (15) combination, and just first plate body (14) and second plate body (15) are toughened glass board, and for the evacuation setting in the cavity between the two.

5. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: pressure release subassembly (16) comprise connecting seat (17), first pressure release chamber (18) and second pressure release chamber (19) combination, connecting seat (17) are a rectangle pedestal, and guide rod groove (24) have been seted up to the horizontal direction of its pedestal, first pressure release chamber (18) and second pressure release chamber (19) are the lumen structure, and the both ends of its cavity are linked together through the cavity between connecting pipe and middle level casing (10), inlayer casing (11) respectively.

6. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 5, wherein: all be provided with piston (20) in first pressure release chamber (18) and second pressure release chamber (19), all be provided with first connecting plate (21) on piston (20), the another side of first connecting plate (21) is connected with guide arm (23), the cover is equipped with reset spring (22) on the guide arm, and the tip activity of guide arm (23) sets up in guide arm groove (24), the other end of reset spring (22) is connected with second connecting plate (25), second connecting plate (25) are the annular plate, and its plate body is established on guide arm (23) for the cover, and the external diameter of second connecting plate (25) is greater than the diameter of guide arm groove (24).

7. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: the end-to-end connection of liquid outlet pipe way (7) on instrument shell (2) has first valve (33), and the other port of first valve (33) is connected with first drain pipe (26) through pipe connection spare, inlet pipe way (6) are connected with first pipeline (27) through pipe connection spare on instrument shell (2), be provided with second valve (31) on the pipeline body of first pipeline (27), and the other end of first pipeline (27) is connected with liquid supply pipe way (29) through tee junction spare (28), and another port of tee junction spare (28) is connected with second drain pipe (30), install third valve (32) on the body of second drain pipe (30).

8. The apparatus for detecting the internal temperature of a refractory meter in accordance with claim 1, wherein: be provided with temperature sensor in the inner chamber of inlayer casing (11), and temperature sensor carries out signal connection with PLC control module, and first valve (33), second valve (31), third valve (32) are solenoid valve, and its three all carries out signal connection with PLC control module's signal output part, and the top of inner chamber is installed level sensor between middle level casing (10) and inlayer casing (11), and its level sensor carries out signal connection with PLC control module.

Technical Field

The invention relates to the technical field of instruments and meters, in particular to a device for detecting the internal temperature of a high-temperature-resistant instrument.

Background

An instrument is an instrument or equipment for detecting, measuring, observing, and calculating various physical quantities, material components, physical parameters, and the like. The vacuum leak detector, the pressure gauge, the length measuring instrument, the microscope, the multiplier and the like belong to instruments and meters; in a broad sense, the instruments can also have functions of automatic control, alarm, signal transmission and data processing, such as pneumatic regulating instruments and electric regulating instruments used in automatic control of industrial production processes, and distributed instrument control systems.

Instruments and meters in the prior art are all composed of precise components, and because the instruments and meters are widely applied in industrial production, and the environments of use occasions are complicated and changeable, the service life of the instruments and meters is greatly shortened in many high-temperature occasions, and even the precise components inside the instruments and meters are burnt out in severe cases.

Disclosure of Invention

The invention aims to provide a device for detecting the internal temperature of a high-temperature-resistant instrument, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an inside temperature-detecting device of high temperature resistant instrument, includes instrument and the detection device of setting in instrument inside, instrument comprises instrument shell and upper cover combination, is provided with the instrument inner core in its instrument shell's the inner chamber, be provided with the inlet liquor pipeline on instrument shell's the right side wall, and be provided with liquid outlet pipe and inlet wire pipeline on its left side wall, instrument shell comprises outer casing, middle level casing and inlayer casing combination, be connected through first connecting rod between outer casing and the middle level casing, and it has the heat preservation asbestos to fill in the inner chamber between outer casing and the middle level casing, be connected through the second connecting rod between middle level casing and the inlayer casing, instrument shell's open position department is provided with the pressure release subassembly, the symmetry altogether of pressure release subassembly is provided with a set ofly.

Preferably, the back of the instrument shell is provided with a mounting bracket, the mounting bracket is symmetrically provided with a group, and the mounting bracket is provided with a mounting groove.

Preferably, the outer shell, the middle shell and the inner shell are all made of heat insulating materials, the liquid inlet pipeline and the liquid outlet pipeline are communicated with the cavity between the middle shell and the inner shell, and the inlet pipeline is communicated with the inner cavity of the inner shell.

Preferably, the panel of the upper cover is formed by combining a first plate body and a second plate body, the first plate body and the second plate body are both toughened glass plates, and a vacuum pumping device is arranged in a cavity between the first plate body and the second plate body.

Preferably, the pressure relief assembly is formed by combining a connecting seat, a first pressure relief cavity and a second pressure relief cavity, the connecting seat is a rectangular seat body, a guide rod groove is formed in the transverse direction of the seat body, the first pressure relief cavity and the second pressure relief cavity are both of a pipe cavity structure, and two ends of the cavity are respectively communicated with the cavity between the middle-layer shell and the inner-layer shell through connecting pipes.

Preferably, all be provided with the piston in first pressure release chamber and the second pressure release chamber, all be provided with first connecting plate on the piston, the another side of first connecting plate is connected with the guide arm, the cover is equipped with reset spring on the guide arm, and the tip activity of guide arm sets up in the guide arm groove, reset spring's the other end is connected with the second connecting plate, the second connecting plate is the annular plate, and its plate body is established on the guide arm for the cover, and the external diameter of second connecting plate is greater than the diameter in guide arm groove.

Preferably, the end of the liquid outlet pipeline on the instrument shell is connected with a first valve, the other end port of the first valve is connected with a first water outlet pipe through a pipeline connecting piece, the liquid inlet pipeline on the instrument shell is connected with the first pipeline through a pipeline connecting piece, a second valve is arranged on the pipeline body of the first pipeline, the other end of the first pipeline is connected with the liquid supply pipeline through a three-way connecting piece, the other end port of the three-way connecting piece is connected with a second water outlet pipe, and a third valve is arranged on the pipe body of the second water outlet pipe.

Preferably, be provided with temperature sensor in the inner chamber of inlayer casing, and temperature sensor carries out signal connection with PLC control module, and first valve, second valve, third valve are solenoid valve, and its three all carry out signal connection with PLC control module's signal output part, and the top of inner chamber between middle level casing and the inlayer casing installs level sensor, and its level sensor carries out signal connection with PLC control module.

Compared with the prior art, the invention has the beneficial effects that:

1. the instrument shell is formed by combining an outer shell, a middle shell and an inner shell, and heat-insulating asbestos is filled in an inner cavity between the outer shell and the middle shell, so that the heat-insulating effect of the instrument shell is effectively improved, and the high-temperature resistance strength of the instrument is effectively improved;

2. the liquid inlet pipeline and the liquid outlet pipeline are respectively connected to the two ends of the inner cavities of the middle shell and the inner shell, so that when the internal temperature of the inner shell exceeds the optimal working temperature range of the instrument, the cooling water can be replaced inside the inner shell, the purpose of cooling the periphery of the instrument is achieved, and the service life of the instrument is prevented from being shortened due to overhigh temperature;

3. and through the opening position symmetry at instrument case be provided with a set of pressure release subassembly to when cavity pressure leads to its internal pressure increase because the temperature rises between middle level casing and the inlayer casing, it can carry out the pressure release to its internal pressure through pressure release subassembly, thereby avoids its internal pressure too big and leads to the shell body pressurized deformation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a half sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the pressure relief assembly position;

FIG. 6 is a half sectional view of a pressure relief assembly;

FIG. 7 is an enlarged view of the structure at C in FIG. 6;

FIG. 8 is an enlarged view of the structure at D in FIG. 6;

fig. 9 is a schematic view of instrument installation.

In the figure: the device comprises an instrument and meter 1, an instrument shell 2, an upper cover 3, a mounting bracket 4, a mounting groove 5, a liquid inlet pipeline 6, a liquid outlet pipeline 7, a wire inlet pipeline 8, an outer shell 9, a middle shell 10, an inner shell 11, a first connecting rod 12, a second connecting rod 13, a first plate 14, a second plate 15, a pressure relief assembly 16, a connecting seat 17, a first pressure relief cavity 18, a second pressure relief cavity 19, a piston 20, a first connecting plate 21, a return spring 22, a guide rod 23, a guide rod groove 24, a second connecting plate 25, a first water discharge pipe 26, a first pipeline 27, a three-way connecting piece 28, a liquid supply pipeline 29, a second water discharge pipe 30, a second valve 31, a third valve 32 and a first valve 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a high temperature resistant instrument internal temperature detection device comprises an instrument 1 and a detection device arranged inside the instrument 1, wherein the instrument 1 is composed of an instrument shell 2 and an upper cover 3, an instrument inner core is arranged in an inner cavity of the instrument shell 2, a liquid inlet pipeline 6 is arranged on the right side wall of the instrument shell 2, a liquid outlet pipeline 7 and a wire inlet pipeline 8 are arranged on the left side wall of the instrument shell, the instrument shell 2 is composed of an outer shell 9, a middle shell 10 and an inner shell 11, the outer shell 9 and the middle shell 10 are connected through a first connecting rod 12, heat-insulating asbestos is filled in an inner cavity between the outer shell 9 and the middle shell 10, the middle shell 10 and the inner shell 11 are connected through a second connecting rod 13, a pressure relief assembly 16 is arranged at an opening position of the instrument shell 2, the pressure relief assembly 16 is symmetrically arranged in a group, and the instrument shell 2 is formed by arranging the outer shell 9 and the inner shell 11 into a group, The middle shell 10 and the inner shell 11 are formed by combining three layers of structures, and heat-insulating asbestos is filled in an inner cavity between the outer shell 9 and the middle shell 10, so that the heat-insulating effect of the instrument shell 2 is effectively improved, and the high-temperature resistance strength of the instrument is effectively improved.

Further, the back of the instrument shell 2 is provided with a set of mounting brackets 4, the mounting brackets 4 are symmetrically arranged in a group, and the mounting brackets 4 are provided with mounting grooves 5;

further, outer casing 9, middle level casing 10 and inlayer casing 11 are thermal insulation material, and inlet channel 6, liquid outlet channel 7 all are linked together with middle level casing 10, the cavity between the inlayer casing 11, and inlet wire pipeline 8 is linked together with the inner chamber of inlayer casing 11, inlet channel 6 and liquid outlet channel 7 are connected respectively through the inner chamber both ends at middle level casing 10 and inlayer casing 11, thereby when the inside temperature of inlayer casing 11 surpassed the best operating temperature scope of instrument, it can be through changing the cooling water to its inside, thereby reach the purpose of cooling around the instrument, thereby avoid the high temperature and reduce the life of instrument.

Further, the panel of the upper cover 3 is formed by combining a first plate body 14 and a second plate body 15, the first plate body 14 and the second plate body 15 are both toughened glass plates, and a vacuum-pumping device is arranged in a cavity between the first plate body and the second plate body.

Further, the pressure releasing assembly 16 is composed of a connecting seat 17, a first pressure releasing cavity 18 and a second pressure releasing cavity 19, the connecting seat 17 is a rectangular seat body, a guide rod groove 24 is formed in the transverse direction of the seat body, the first pressure releasing cavity 18 and the second pressure releasing cavity 19 are both of a pipe cavity structure, and two ends of the cavity are respectively communicated with the cavity between the middle shell 10 and the inner shell 11 through connecting pipes.

Furthermore, pistons 20 are arranged in the first pressure relief cavity 18 and the second pressure relief cavity 19, a first connecting plate 21 is arranged on each piston 20, a guide rod 23 is connected to the other side surface of the first connecting plate 21, a return spring 22 is sleeved on each guide rod, the end of the guide rod 23 is movably arranged in the guide rod groove 24, the other end of the return spring 22 is connected with a second connecting plate 25, the second connecting plate 25 is an annular plate, the plate body is sleeved on the guide rod 23, the outer diameter of the second connecting plate 25 is larger than the diameter of the guide rod groove 24, a group of pressure relief assemblies 16 are symmetrically arranged at the opening position of the instrument shell 2, so that when the pressure in the chamber between the middle shell 10 and the inner shell 11 increases due to the temperature rise, it can carry out the pressure relief to its internal pressure through pressure relief subassembly 16 to avoid its internal pressure too big and lead to the outer casing pressurized deformation.

Further, the end of the liquid outlet pipe 7 on the meter case 2 is connected with a first valve 33, and the other port of the first valve 33 is connected with the first drain pipe 26 through a pipe connection piece, the liquid inlet pipe 6 on the meter case 2 is connected with the first pipe 27 through a pipe connection piece, the pipe body of the first pipe 27 is provided with a second valve 31, and the other end of the first pipe 27 is connected with the liquid supply pipe 29 through a three-way connection piece 28, and the other port of the three-way connection piece 28 is connected with a second drain pipe 30, the body of the second drain pipe 30 is provided with a third valve 32, and by arranging the second drain pipe 30, when the cooling water in the cavity between the middle shell 10 and the inner shell 11 is replaced, the high-temperature water in the pipe body can be discharged first, so that the water changing and cooling effects of the cooling water can be ensured.

Further, be provided with temperature sensor in the inner chamber of inlayer casing 11, and temperature sensor carries out signal connection with PLC control module, and first valve 33, second valve 31, third valve 32 are solenoid valve, and all carry out signal connection with PLC control module's signal output part for three, and the top of inner chamber is installed level sensor between middle level casing 10 and inlayer casing 11, and its level sensor carries out signal connection with PLC control module.

The working principle is as follows: when in practical use, when the instrument 1 works in a high-temperature environment, because the instrument shell 2 is formed by combining three layers of structures, namely an outer shell 9, a middle shell 10 and an inner shell 11, and the heat-preservation asbestos filled in the inner cavity between the outer shell 9 and the middle shell 10 can effectively improve the heat-insulation effect of the instrument shell 2, thereby effectively improving the high-temperature resistance strength of the instrument, when the instrument 1 works in the high-temperature environment for a long time, the pressure in the inner cavities of the middle shell 10 and the inner shell 11 is increased due to the temperature rise, the pressure in the cavity can be relieved through the pressure relief assembly 16, thereby avoiding the outer shell from being deformed due to the overlarge internal pressure, and when the temperature in the inner cavity of the inner shell 11 is overhigh, the temperature sensor arranged in the inner cavity of the inner shell 11 can transmit an electric signal to the PLC control module, thereby through starting third valve 32, thereby discharge the water that is too high in temperature because of high temperature environment in the liquid supply pipeline 29, after its water is got rid of, the pipe wall of third valve 32, open first valve 33, second valve 31 after that, thereby through in carrying the cavity between middle level casing 10 and inlayer casing 11 with cooling water through inlet pipe 6, and the water among its cavity can be discharged through outlet pipe 7, thereby let the cooling water take away the heat among the inlayer casing 11 cavity when flowing, thereby realize cooling down in its inner chamber, thereby guarantee that the instrument inner core can be in suitable temperature range all the time and carry out work, thereby effectively avoid high temperature environment to influence the normal life of instrument 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.