阅读说明：本技术 一种散热型温度变送器 (Heat dissipation type temperature transmitter ) 是由 沈必亮 李聪 王晓春 何一军 丁学良 姚文亮 于 2021-06-29 设计创作，主要内容包括：本发明公开了温度变送器技术领域的一种散热型温度变送器,包括反应箱,所述反应箱顶端分别贯穿并固定连接有水管和干冰储存管,U形连接架和连接板的共同向下运动,使第二旋转叶沿着温度感应器向下运动,将冷水快速的输送到温度感应器的底端,达到快速降温的效果,当电机反转时,在上述相同的原理下,第二旋转叶向上运动,通过泼洒冷水,使温度感应器及其周边的温度快速降低,避免在输送冷空气时进行的能量交换,冷却的空气到达温度感应器的底端,冷却的空气温度会快速升高,从而降低对温度感应器底端的降温效果。(The invention discloses a heat dissipation type temperature transmitter in the technical field of temperature transmitters, which comprises a reaction box, wherein the top end of the reaction box is respectively penetrated and fixedly connected with a water pipe and a dry ice storage pipe, a U-shaped connecting frame and a connecting plate move downwards together to enable a second rotating blade to move downwards along a temperature sensor and quickly convey cold water to the bottom end of the temperature sensor, so that the effect of quickly cooling is achieved, when a motor rotates reversely, under the same principle, the second rotating blade moves upwards to quickly reduce the temperature of the temperature sensor and the temperature of the periphery of the temperature sensor by splashing the cold water, so that energy exchange during conveying of the cold air is avoided, the cooled air reaches the bottom end of the temperature sensor, the temperature of the cooled air can be quickly increased, and the cooling effect on the bottom end of the temperature sensor is reduced.)

1. The utility model provides a heat dissipation type temperature transmitter, includes reaction box (1), reaction box (1) top is run through respectively and fixedly connected with water pipe (2) and dry ice storage tube (3), its characterized in that: the top of the inner side wall of the reaction box (1) is fixedly connected with a motor (4), the bottom of a rotating shaft of the motor (4) is fixedly connected with a stirring blade (5), the bottom of the stirring blade (5) penetrates through the reaction box (1) and is rotationally connected with the reaction box (1), the bottom of the water pipe (2) and the bottom of the dry ice storage pipe (3) are respectively provided with a sealing mechanism, the bottom of the stirring blade (5) penetrates through and is rotationally connected with a shunt box (6), the bottom of the reaction box (1) and the top of the shunt box (6) are fixedly connected with a circulating pipeline (7), the bottom of the circulating pipeline (7) is provided with a one-way valve, the bottom of the stirring blade (5) is fixedly connected with a threaded rod (8), the bottom of the threaded rod (8) penetrates through the shunt box (6) and is rotationally connected with the shunt box (6), the surface of the threaded rod (8) is provided with a cooling mechanism, the bottom of the threaded rod (8) is fixedly connected with a first rotating blade (9), the reaction box is characterized in that two outer side walls of the reaction box (1) penetrate through and are fixedly connected with an air duct (10), a pipe orifice at the bottom end of the air duct (10) is arranged above the first rotating blade (9), and the bottom end of the first rotating blade (9) is rotatably connected with a temperature sensor (11).

2. The heat dissipating temperature transmitter of claim 1, wherein: the cooling mechanism comprises a push rod (12), the axis of the push rod (12) is in threaded connection with the threaded rod (8), two ends of the push rod (12) are symmetrically and fixedly connected with first slide bars (13), the first slide bars (13) penetrate through the bottom end of the shunt box (6) and then are connected with the shunt box (6) in a sliding way, the bottom ends of the first sliding rods (13) are fixedly connected with U-shaped connecting frames (14), the inner side of the U-shaped connecting frame (14) is fixedly connected with a connecting rod (15), the surfaces of two ends of the connecting rod (15) are fixedly connected with connecting plates (16), two connecting plates (16) are fixedly connected with a second rotating blade (17) together, a smearing mechanism is arranged on the right side of the connecting plate (16), cooling pipes (18) are symmetrically and fixedly connected with the bottom end of the flow dividing box (6), the nozzle at the bottom end of the cooling pipe (18) is arranged above the second rotating blade (17).

3. The heat dissipating temperature transmitter of claim 2, wherein: the smearing mechanism comprises an L-shaped pushing block (19) and a first rotating disc (20), the first rotating disc (20) is fixedly connected to the bottom end of the first rotating blade (9), two second sliding rods (21) are symmetrically and fixedly connected to the bottom end of the first rotating disc (20), a second rotating disc (22) is connected to the surfaces of the second sliding rods (21) and the temperature sensor (11) in a sliding mode, a first return spring (23) is sleeved on the surface of each second sliding rod (21), two ends of each first return spring (23) are fixedly connected with the first rotating disc (20) and the second rotating disc (22) respectively, rotating rollers (24) are rotatably connected to the surfaces of the second sliding rods (21), the top ends of the rotating rollers (24) are fixedly connected with the bottom end of the second rotating disc (22), and the L-shaped pushing block (19) is fixedly connected to the right side of the connecting plate (16), the bottom end of the right side of the L-shaped pushing block (19) is contacted with the second rotating disk (22).

4. The heat dissipating temperature transmitter of claim 1, wherein: the sealing mechanism comprises two support plates (25) and a rotating sleeve (26). The reaction box is characterized in that the support plate (25) is symmetrically and fixedly connected to the top end of the reaction box (1), the air spring (27) is fixedly connected to the right side of the support plate (25), a first sealing ring (28) is fixedly connected to the right end of the air spring (27), an L-shaped toggle block (29) is fixedly connected to the bottom end of the first sealing ring (28), an inclined plane is formed in the right side of the L-shaped toggle block (29), the rotary sleeve (26) is fixedly connected to the surface of a rotating shaft of the motor (4), toggle plates (30) are rotationally and symmetrically arranged on the surface of the rotary sleeve (26), and the toggle plates (30) are attached to the inclined plane of the L-shaped toggle block (29).

5. The heat dissipating temperature transmitter of claim 1, wherein: the check valve comprises a plurality of supporting rods (31), the supporting rods (31) are fixedly connected to the bottom end of the circulating pipeline (7), a plurality of second sealing rings (32) are connected to the surfaces of the supporting rods (31) in a sliding mode, and second return springs (33) are sleeved on the surfaces of the supporting rods (31).

6. The heat dissipating temperature transmitter of claim 1, wherein: the outer side wall of the dry ice storage pipe (3) is provided with a volatilization hole (34).

Technical Field

The invention discloses a heat dissipation type temperature transmitter in the technical field of temperature transmitters.

Background

The temperature transmitter adopts a thermocouple and a thermal resistor as temperature measuring elements, and signals output by the temperature measuring elements are transmitted to the transmitter module. Temperature transmitters are instruments that convert temperature variables into a transmittable standardized output signal, and are mainly used for measuring and controlling temperature parameters of industrial processes.

Among the prior art, when temperature transmitter used in the environment of high temperature, the inductor temperature among the temperature transmitter can rise fast, if not in time reduce its temperature, can make the temperature of whole temperature person of giving ware rise very fast, causes the damage of internal component, reduces temperature transmitter's life.

Based on this, the invention designs a heat dissipation type temperature transmitter to solve the above problems.

Disclosure of Invention

The invention aims to provide a heat dissipation type temperature transmitter, which aims to solve the problems that when the temperature transmitter is used in a high-temperature environment, the temperature of an inductor in the temperature transmitter can be quickly raised, and if the temperature of the inductor is not timely reduced, the temperature of the whole temperature transmitter can be quickly raised, so that internal elements are damaged, and the service life of the temperature transmitter is shortened.

In order to achieve the purpose, the invention provides the following technical scheme: a heat dissipation type temperature transmitter comprises a reaction box, wherein the top end of the reaction box is respectively penetrated and fixedly connected with a water pipe and a dry ice storage pipe, the top of the inner side wall of the reaction box is fixedly connected with a motor, the bottom end of a rotating shaft of the motor is fixedly connected with a stirring blade, the bottom end of the stirring blade penetrates through the reaction box and is rotationally connected with the reaction box, the bottom ends of the water pipe and the dry ice storage pipe are respectively provided with a sealing mechanism, the bottom end of the stirring blade penetrates through and is rotationally connected with a shunt box, the bottom end of the reaction box and the top end of the shunt box are fixedly connected with a circulation pipeline, the bottom end of the circulation pipeline is provided with a one-way valve, the bottom end of the stirring blade is fixedly connected with a threaded rod, the bottom end of the threaded rod penetrates through the shunt box and is rotationally connected with the shunt box, the surface of the threaded rod is provided with a cooling mechanism, the bottom end of the threaded rod is fixedly connected with a first rotating blade, and the two outer side walls of the reaction box penetrate through and are fixedly connected with an air pipeline, the pipe orifice at the bottom end of the ventilation pipeline is arranged above the first rotating blade, and the bottom end of the first rotating blade is rotatably connected with a temperature sensor;

when the temperature transmitter is used in a high-temperature environment, the temperature of an inductor in the temperature transmitter can be quickly raised, if the temperature transmitter is not timely cooled, the temperature of the whole temperature transmitter can be quickly raised, so that internal elements are damaged, the service life of the temperature transmitter is shortened, when the temperature measurement is finished, a motor is started to make the motor do reciprocating rotation motion, a sealing mechanism closes off the intermittent flow of dry ice and water into a reaction box from the bottom ends of a water pipe and a dry ice storage pipe to perform reaction, the heat is absorbed while carbon dioxide is generated, the temperature of the whole temperature transmitter is reduced, stirring blades are made to rotate in a reciprocating manner through the reciprocating rotation of the motor, the reaction of the dry ice and the water is accelerated, the reaction is quicker, the dry ice and the water can be fully reacted, and when the reaction is performed, a one-way valve is opened, cold water can flow into a shunt box, carbon dioxide flows into the top of first rotatory leaf through the breather pipe, through the drive of motor, makes first rotatory leaf rotatory, with the temperature-sensing ware of refrigerated air feed on, makes temperature-sensing ware surface temperature reduce to slow down whole temperature transmitter's temperature, improve temperature transmitter's life.

As a further scheme of the invention, the cooling mechanism comprises a push rod, the axis of the push rod is in threaded connection with a threaded rod, two ends of the push rod are symmetrically and fixedly connected with first slide bars, the first slide bars penetrate through the bottom end of the flow distribution box and then are in sliding connection with the flow distribution box, the bottom ends of the first slide bars are fixedly connected with U-shaped connecting frames, the inner sides of the U-shaped connecting frames are fixedly connected with connecting rods, the surfaces of two ends of each connecting rod are fixedly connected with connecting plates, the two connecting plates are fixedly connected with a second rotating blade together, the right side of each connecting plate is provided with a smearing mechanism, the bottom ends of the flow distribution boxes are symmetrically and fixedly connected with cooling tubes, and the tube openings at the bottom ends of the cooling tubes are arranged above the second rotating blades. When the cooling air conveying device works, due to energy exchange, the cooled air reaches the bottom end of the temperature sensor, the temperature of the cooled air can be quickly raised, so that the cooling effect on the bottom end of the temperature sensor is reduced, the cooling mechanism is used for circulating the cold water to the upper part of the second rotating blade through the cooling pipe after the cold water enters the flow dividing box, the second rotating blade is rotated through the action of water flow gravity, the cold water is splashed to the surface of the temperature sensor to achieve the effect of quick cooling, meanwhile, the threaded rod is rotated under the positive rotation action of the motor, the first sliding rod is driven by the push rod to move downwards, the U-shaped connecting frame and the connecting plate move downwards together, the second rotating blade moves downwards along the temperature sensor, the cold water is quickly conveyed to the bottom end of the temperature sensor to achieve the effect of quick cooling, when the motor rotates reversely, under the same principle, the second rotating blade moves upwards, and cold water is splashed, so that the temperature of the temperature sensor and the temperature of the periphery of the temperature sensor are quickly reduced, energy exchange during cold air conveying is avoided, cooled air reaches the bottom end of the temperature sensor, and the temperature of the cooled air can be quickly increased, so that the cooling effect on the bottom end of the temperature sensor is reduced.

As a further scheme of the invention, the smearing mechanism comprises an L-shaped pushing block and a first rotating disk, the first rotating disk is fixedly connected to the bottom end of the first rotating blade, the bottom end of the first rotating disk is symmetrically and fixedly connected with two second slide bars, the surfaces of the second slide bars and the temperature sensor are jointly and slidably connected with a second rotating disk, the surface of each second slide bar is sleeved with a first return spring, two ends of each first return spring are respectively and fixedly connected with the first rotating disk and the second rotating disk, the surfaces of the second slide bars are respectively and rotatably connected with a rotating roller, the top end of each rotating roller is fixedly connected with the bottom end of the corresponding second rotating disk, the L-shaped pushing block is fixedly connected to the right side of the connecting plate, and the bottom end of the right side of the L-shaped pushing block is in contact with the second rotating disk. During operation, when the connecting plate downstream, promote the piece extrusion second rotary disk through L shape, make the second rotary disk downstream, first reset spring is compressed, under the rotatory effect of first rotating vane, first rotary disk drives the second rotary disk and rotates, make and change the roller limit downstream edge and rotate along temperature-sensing ware surface, when the connecting plate upward movement, L shape promotes the piece and breaks away from the second rotary disk, under first reset spring's effect, the second rotary disk resets, the messenger splashes the surface of temperature-sensing ware to the cold water on temperature-sensing ware surface fast, the speed of cooling has been improved.

As a further aspect of the present invention, the sealing mechanism includes two bracket plates and a rotary sleeve. The support plate is symmetrically and fixedly connected to the top end of the reaction box, the air spring is fixedly connected to the right side of the support plate, the right end of the air spring is fixedly connected with a first sealing ring, the bottom end of the first sealing ring is fixedly connected with an L-shaped shifting block, an inclined plane is formed in the right side of the L-shaped shifting block, the rotary sleeve is fixedly connected to the surface of a rotary shaft of the motor, the surface of the rotary sleeve is rotationally symmetrical to be provided with shifting plates, and the shifting plates are attached to the inclined plane of the L-shaped shifting block. When the stirring plate is separated from the L-shaped stirring block, the first sealing ring is sealed again under the action of the air spring, so that the dry ice and the water flow out a small amount at each time, and the full reaction is ensured.

As a further scheme of the invention, the one-way valve comprises a plurality of supporting rods, the supporting rods are fixedly connected to the bottom end of the flow pipeline, the surfaces of the supporting rods are jointly connected with a second sealing ring in a sliding mode, and the surface of each supporting rod is sleeved with a second return spring. During operation, when cold water in the reaction box reaches a certain amount, the second sealing ring is opened through the gravity of water, and the cold water flows into the flow distribution box from the bottom end opening of the flow pipeline, so that the problem that the water is not reacted with the dry ice to run off is avoided, the dry ice and the water can fully react to form the cold water, and the cooling effect is improved.

As a further scheme of the invention, the outer side wall of the dry ice storage tube is provided with a volatilization hole. During operation sets up the hole of volatilizing, and the carbon dioxide that the normal sublimation of dry ice produced can volatilize the dry ice storage tube, avoids producing the circulation and can't go out and lead to the explosion.

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

1. the invention has the advantages that by arranging the cooling mechanism, after cold water enters the flow dividing box, the cold water flows to the upper part of the second rotating blade through the cooling pipe, the second rotating blade is rotated through the gravity action of water flow, the cold water is splashed to the surface of the temperature sensor to achieve the effect of rapid cooling, meanwhile, under the positive rotation action of the motor, the threaded rod is rotated, the first sliding rod is driven by the pushing rod to move downwards, the U-shaped connecting frame and the connecting plate move downwards together, the second rotating blade moves downwards along the temperature sensor to rapidly convey the cold water to the bottom end of the temperature sensor to achieve the effect of rapid cooling, when the motor rotates reversely, under the same principle, the second rotating blade moves upwards, the temperature of the temperature sensor and the periphery of the temperature sensor is rapidly reduced by splashing the cold water, the energy exchange performed during conveying the cold air is avoided, and the cooled air reaches the bottom end of the temperature sensor, the temperature of the cooled air can be rapidly increased, thereby reducing the cooling effect on the bottom end of the temperature sensor.

2. According to the invention, by arranging the smearing mechanism, when the connecting plate moves downwards, the L-shaped pushing block extrudes the second rotating disk to enable the second rotating disk to move downwards, the first return spring is compressed, the first rotating disk drives the second rotating disk to rotate under the action of rotation of the first rotating blade, so that the edge of the rotating roller moving downwards rotates along the surface of the temperature sensor, when the connecting plate moves upwards, the L-shaped pushing block is separated from the second rotating disk, and the second rotating disk is reset under the action of the first return spring, so that cold water splashed onto the surface of the temperature sensor is quickly smeared onto the surface of the temperature sensor, and the cooling rate is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1

FIG. 3 is a second schematic view of the overall structure of the present invention;

FIG. 4 is a first cross-sectional view of the general structure of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is a view showing the connection between the cooling mechanism and the coating mechanism according to the present invention;

fig. 7 is a view showing the connection of the sealing mechanism in the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a reaction box 1, a water pipe 2, a dry ice storage pipe 3, a motor 4, a stirring blade 5, a flow distribution box 6, a flow pipeline 7, a threaded rod 8, a first rotating blade 9, an air ventilation pipeline 10, a temperature sensor 11, a push rod 12, a first slide rod 13, a U-shaped connecting frame 14, a connecting rod 15, a connecting plate 16, a second rotating blade 17, a cooling pipe 18, an L-shaped push block 19, a first rotating disc 20, a second slide rod 21, a second rotating disc 22, a first return spring 23, a rotating roller 24, a support plate 25, a rotating sleeve 26, an air spring 27, a first sealing ring 28, an L-shaped push block 29, a push plate 30, a support rod 31, a second sealing ring 32, a second return spring 33 and a volatilization hole 34.

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. 1-7, the present invention provides a technical solution: a heat dissipation type temperature transmitter comprises a reaction box 1, wherein the top end of the reaction box 1 is respectively penetrated and fixedly connected with a water pipe 2 and a dry ice storage pipe 3, the top of the inner side wall of the reaction box 1 is fixedly connected with a motor 4, the bottom end of a rotating shaft of the motor 4 is fixedly connected with a stirring blade 5, the bottom end of the stirring blade 5 penetrates through the reaction box 1 and is rotatably connected with the reaction box 1, the bottom ends of the water pipe 2 and the dry ice storage pipe 3 are respectively provided with a sealing mechanism, the bottom end of the stirring blade 5 is penetrated and rotatably connected with a flow distribution box 6, the bottom end of the reaction box 1 and the top end of the flow distribution box 6 are fixedly connected with a circulating pipeline 7, the bottom end of the circulating pipeline 7 is provided with a one-way valve, the bottom end of the stirring blade 5 is fixedly connected with a threaded rod 8, the bottom end of the threaded rod 8 penetrates through the flow distribution box 6 and is rotatably connected with the flow distribution box 6, the surface of the threaded rod 8 is fixedly connected with a first rotating blade 9, two outer side walls of the reaction box 1 penetrate through and are fixedly connected with a ventilating pipeline 10, the pipe orifice at the bottom end of the ventilation pipeline 10 is arranged above the first rotating blade 9, and the bottom end of the first rotating blade 9 is rotatably connected with a temperature sensor 11;

when the temperature transmitter is used in a high-temperature environment, the temperature of an inductor in the temperature transmitter can be quickly raised, if the temperature transmitter is not timely cooled, the temperature of the whole temperature transmitter can be quickly raised, so that internal elements are damaged, the service life of the temperature transmitter is shortened, when the temperature measurement is finished, the motor 4 is started to enable the motor 4 to do reciprocating rotation motion, the sealing mechanism closes off the intermittent flowing of the dry ice and the water into the reaction box 1 from the bottom ends of the water pipe 2 and the dry ice storage pipe 3 to perform reaction, the heat is absorbed while the carbon dioxide is generated, the temperature of the whole temperature transmitter is reduced, the stirring blades 5 are rotated in a reciprocating manner through the reciprocating rotation of the motor 4, the reaction of the dry ice and the water is accelerated, the reaction is quicker, the sufficient reaction of the dry ice and the water is ensured, the one-way valve is opened during the reaction, and the cold water can flow into the shunt box 6, carbon dioxide flows into the top of first rotating vane 9 through breather pipe 10, through the drive of motor 4, makes first rotating vane 9 rotatory, with the temperature-sensing ware 11 of refrigerated air delivery on, makes temperature-sensing ware 11 surface temperature reduce to slow down whole temperature transmitter's temperature, improve temperature transmitter's life.

As a further scheme of the invention, the cooling mechanism comprises a push rod 12, the axis of the push rod 12 is in threaded connection with a threaded rod 8, two ends of the push rod 12 are symmetrically and fixedly connected with first slide rods 13, the first slide rods 13 penetrate through the bottom end of the flow dividing box 6 and then are in sliding connection with the flow dividing box 6, the bottom ends of the first slide rods 13 are fixedly connected with U-shaped connecting frames 14, the inner sides of the U-shaped connecting frames 14 are fixedly connected with connecting rods 15, the surfaces of two ends of the connecting rods 15 are fixedly connected with connecting plates 16, the two connecting plates 16 are jointly and fixedly connected with second rotating blades 17, the right side of the connecting plate 16 is provided with a smearing mechanism, the bottom end of the flow dividing box 6 is symmetrically and fixedly connected with cooling pipes 18, and the pipe orifices at the bottom ends of the cooling pipes 18 are above the second rotating blades 17. When the cooling air conveying device works, due to energy exchange, cooled air reaches the bottom end of the temperature sensor 11, the temperature of the cooled air can be rapidly increased, so that the cooling effect on the bottom end of the temperature sensor 11 is reduced, at present, through the cooling mechanism, after the cold water enters the diversion box 6, the cold water flows to the upper part of the second rotating blade 17 through the cooling pipe 18, the second rotating blade 17 is rotated through the gravity action of water flow, the cold water is splashed to the surface of the temperature sensor 11, the rapid cooling effect is achieved, meanwhile, under the positive rotation action of the motor 4, the threaded rod 8 is rotated, under the driving of the push rod 12, the first sliding rod 13 is moved downwards, the U-shaped connecting frame 14 and the connecting plate 16 are moved downwards together, the second rotating blade 17 is moved downwards along the temperature sensor 11, the cold water is rapidly conveyed to the bottom end of the temperature sensor 11, and the rapid cooling effect is achieved, when the motor 4 rotates reversely, under the same principle, the second rotating blade 17 moves upward, and by splashing cold water, the temperature of the temperature sensor 11 and the temperature around the temperature sensor are rapidly reduced, so that energy exchange during cold air transportation is avoided, the cooled air reaches the bottom end of the temperature sensor 11, the temperature of the cooled air is rapidly increased, and the cooling effect on the bottom end of the temperature sensor 11 is reduced.

As a further scheme of the invention, the smearing mechanism comprises an L-shaped pushing block 19 and a first rotating disk 20, the first rotating disk 20 is fixedly connected to the bottom end of the first rotating blade 9, the bottom end of the first rotating disk 20 is symmetrically and fixedly connected with two second sliding rods 21, the surfaces of the second sliding rods 21 and the temperature sensor 11 are jointly and slidably connected with a second rotating disk 22, the surface of each second sliding rod 21 is sleeved with a first return spring 23, two ends of each first return spring 23 are respectively and fixedly connected with the first rotating disk 20 and the second rotating disk 22, the surface of each second sliding rod 21 is rotatably connected with a rotating roller 24, the top end of each rotating roller 24 is fixedly connected with the bottom end of the corresponding second rotating disk 22, the L-shaped pushing block 19 is fixedly connected to the right side of the connecting plate 16, and the bottom end of the right side of the L-shaped pushing block 19 is in contact with the second rotating disk 22. When the temperature sensor works, when the connecting plate 16 moves downwards, the L-shaped pushing block 19 pushes the second rotating disk 22 to enable the second rotating disk 22 to move downwards, the first return spring 23 is compressed, the first rotating disk 20 drives the second rotating disk 22 to rotate under the action of rotation of the first rotating blade 9, the rotating roller 24 moves downwards to rotate along the surface of the temperature sensor 11, when the connecting plate 16 moves upwards, the L-shaped pushing block 19 is separated from the second rotating disk 22, and the second rotating disk 22 resets under the action of the first return spring 23, so that cold water splashed onto the surface of the temperature sensor 11 is quickly smeared onto the surface of the temperature sensor 11, and the cooling rate is improved.

As a further aspect of the invention, the sealing mechanism comprises two bracket plates 25 and a swivel sleeve 26. The support plate 25 is symmetrically and fixedly connected to the top end of the reaction box 1, the air spring 27 is fixedly connected to the right side of the support plate 25, the first sealing ring 28 is fixedly connected to the right end of the air spring 27, the L-shaped toggle block 29 is fixedly connected to the bottom end of the first sealing ring 28, an inclined plane is formed in the right side of the L-shaped toggle block 29, the rotary sleeve 26 is fixedly connected to the surface of a rotating shaft of the motor 4, the toggle plate 30 is rotationally and symmetrically arranged on the surface of the rotary sleeve 26, and the toggle plate 30 is attached to the inclined plane of the L-shaped toggle block 29. When the device works, when the motor 4 rotates in a reciprocating mode, the L-shaped poking block 29 is poked through the poking plate 30, the L-shaped poking block 29 drives the first sealing ring 28 to move leftwards, the air spring 27 is compressed, dry ice and water simultaneously fall into the reaction box 1, stirring of the stirring blades 5 is carried out, the dry ice and the water can be in rapid contact reaction, after the poking plate 30 is separated from the L-shaped poking block 29, the first sealing ring 28 is sealed again under the action of the air spring 27, the dry ice and the water flow out a small amount at each time, and sufficient reaction of the dry ice and the water is guaranteed.

As a further scheme of the invention, the one-way valve comprises a plurality of supporting rods 31, the supporting rods 31 are fixedly connected to the bottom end of the flow pipeline 7, the surfaces of the plurality of supporting rods 31 are jointly connected with a second sealing ring 32 in a sliding mode, and the surface of the supporting rod 31 is sleeved with a second return spring 33. During operation, when cold water in the reaction box 1 reaches a certain amount, the second sealing ring 32 is opened through the gravity of water, and the cold water flows into the shunt box 6 from the bottom port of the circulating pipeline 7, so that the problem that the water is not reacted with the dry ice and then runs off is avoided, the dry ice and the water can sufficiently react to form cold water, and the cooling effect is improved.

As a further proposal of the invention, the outer side wall of the dry ice storage tube 3 is opened with a volatilization hole 34. During operation sets up volatilization hole 34, and the carbon dioxide that the normal sublimation of dry ice produced can volatilize dry ice storage tube 3, avoids producing the circulation and can't go out and lead to the explosion.

The working principle is as follows: when the temperature measurement is finished, the motor 4 is started, the motor 4 is enabled to do reciprocating rotation motion, the sealing mechanism closes the intermittent flowing of the dry ice and the water into the reaction box 1 from the bottom end of the water pipe 2 and the bottom end of the dry ice storage pipe 3, the reaction is carried out, the heat is absorbed while the carbon dioxide is generated, the temperature of the whole temperature transmitter is reduced, the motor 4 rotates in a reciprocating mode, the stirring blades 5 rotate in a reciprocating mode, the reaction of the dry ice and the water is accelerated, the reaction is quicker, the dry ice and the water can fully react simultaneously, the check valve is opened during the reaction, the cold water can flow into the flow dividing box 6, the carbon dioxide flows into the upper portion of the first rotating blade 9 through the ventilation pipeline 10, the first rotating blade 9 is enabled to rotate through the driving of the motor 4, the cooled air is conveyed to the temperature sensor 11, and the surface temperature of the temperature sensor 11 is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.