CN111983117B

CN111983117B - Temperature control equipment for gas chromatographic analyzer

Info

Publication number: CN111983117B
Application number: CN202010792032.5A
Authority: CN
Inventors: 姜学智; 康长胜; 崔以鹏
Original assignee: Zhejiang Sanqing Environmental Protection Technology Co ltd
Current assignee: Zhejiang Sanqing Environmental Protection Technology Co ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2022-12-20
Anticipated expiration: 2040-08-08
Also published as: CN111983117A

Abstract

The invention discloses temperature control equipment for a gas chromatograph, which comprises a box body, a cover body arranged on the upper part of the box body, a bottom plate arranged on the lower part of the box body, a first partition plate arranged in the box body, a second partition plate arranged in the box body, a first cavity arranged between the box body and the first partition plate, a second cavity arranged between the first partition plate and the second partition plate, a third cavity arranged between the second partition plate and the box body, a first heating element arranged in the first cavity, a second heating element arranged in the second cavity, a third heating element arranged on one side of the second heating element, a fourth heating element arranged in the second cavity, a fifth heating element arranged in the third cavity and two temperature control devices arranged on two sides of the box body, wherein the cover body is arranged on the upper part of the box body; all be equipped with thermal-insulated cotton in first baffle, second baffle, bottom plate and the lid, the inside of the other both sides of box is equipped with thermal-insulated cotton.

Description

Temperature control equipment for gas chromatographic analyzer

Technical Field

The invention belongs to the field of temperature control equipment, and particularly relates to temperature control equipment for a gas chromatographic analyzer.

Background

Gas chromatography technology is currently taking an important position in the field of analytical chemistry. Because of the capability of separating and detecting complex mixtures, the method is widely applied to the industries of petroleum, chemical engineering, agriculture and the like. And the temperature control device is the core of the whole gas chromatography control system, so that the maintenance of the stability of the temperature of the gas chromatography system is one of the key points of the research and development of the gas chromatograph. The scheme of the temperature control system of the existing gas chromatograph for solving the problems of multi-path temperature control isolation and mutual interference is that the problem of temperature cross interference cannot be stably solved, the complexity of the design scheme and higher cost are increased, and the installation and maintenance are more complicated. Therefore, it is necessary to avoid the complexity of the original design scheme or method, so that the design is simpler and more convenient, the cost is lower, and the installation and maintenance are more convenient and faster under the condition of solving the problems of multipath temperature control isolation and mutual cross interference.

Disclosure of Invention

The invention provides a temperature control device for a gas chromatograph, which can prevent the mutual cross interference of temperature, reduce the production cost and has simple and convenient design in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a temperature control device for a gas chromatography analyzer comprises a box body, a cover body arranged on the upper part of the box body, a bottom plate arranged on the lower part of the box body, a first partition plate arranged in the box body, a second partition plate arranged in the box body, a first cavity arranged between the box body and the first partition plate, a second cavity arranged between the first partition plate and the second partition plate, a third cavity arranged between the second partition plate and the box body, a first heating element arranged in the first cavity, a second heating element arranged in the second cavity, a third heating element arranged on one side of the second heating element, a fourth heating element arranged in the second cavity, a fifth heating element arranged in the third cavity, and two temperature control devices arranged on two sides of the box body; all be equipped with thermal-insulated cotton in first baffle, second baffle, bottom plate and the lid, the inside of the other both sides of box is equipped with thermal-insulated cotton.

According to the invention, through the arrangement of the first cavity, the second cavity and the third cavity, when the device is heated through the first heating element, the second heating element, the third heating element, the fourth heating element and the fifth heating element, the device can realize mutually independent module temperature acquisition operation through the mutually independent first cavity, the second cavity and the third cavity, so that the mutually independent module temperature acquisition operation can be realized through the mutually independent first heating element, the mutually independent second heating element, the mutually independent third heating element, the mutually independent fourth heating element and the mutually independent fifth heating element; the PWM control waveforms required by controlling the independent temperature control modules are given after the collected corresponding temperatures and the temperature target values required to be reached by the corresponding temperatures are subjected to combined operation of a PID algorithm and an empirical model algorithm, then the independent first heating element, the independent second heating element, the independent third heating element, the independent fourth heating element and the independent fifth heating element are controlled by a circuit to output heat, and meanwhile, in the whole heating and heat preservation process, as the first partition plate, the second partition plate, the bottom plate, the cover body and the box body are mutually isolated by heat insulation cotton, different temperatures can be set and kept in the first cavity, the second cavity and the third cavity without being influenced by other temperatures, the condition of mutual temperature cross interference in different cavities is avoided, meanwhile, the design content of equipment is simplified, and the production cost is reduced.

The temperature control device comprises a shell arranged on one side of the box body, four driving wheels respectively arranged on two sides of the shell, two first transmission belts respectively sleeved on the four driving wheels, and a heat preservation piece arranged on the first transmission belts; the drive wheel is rotatable relative to the housing; through the setting of heat preservation piece, when needs keep warm through the both sides of heat preservation piece to the box when thermal-insulated, start the drive wheel and make the drive wheel rotate, and then drive first driving band and rotate, thereby make the heat preservation piece rotate along with first driving band, and drive the heat preservation piece through first driving band and remove to the both sides outer wall of box, keep warm thermal-insulated to the inside of box through the heat preservation piece of laminating on the box both sides afterwards, when needs dispel the heat to the inside of box, start the drive wheel and drive first driving band and the heat preservation piece rotates, make the heat preservation piece break away from the outer wall department of box, thereby make the outside of box break away from the heat preservation effect of heat preservation piece, accelerate the inside radiating rate of box, the radiating effect of equipment to the box inside has been increased.

The temperature control device also comprises two connecting parts which are respectively used for connecting the two first transmission belts and the heat preservation part; the connecting component comprises a rolling belt arranged on the first transmission belt, a plurality of guide rods arranged on the first transmission belt, and a plurality of connecting components arranged on the first transmission belt; the connecting assembly comprises a connecting block arranged on the first transmission belt, a guide groove arranged on the connecting block, a first clamping plate arranged on one side of the connecting block, a rotating rod arranged on the connecting block and a second clamping plate arranged on the rotating rod; the two connecting parts are identical in structure and symmetrically arranged, the rolling belt is made of metal, the guide rod and the guide groove are arranged in a matched mode, the connecting blocks are identical in structure, the rotating rod can rotate relative to the connecting blocks and is provided with a torsional spring, one end of the torsional spring is connected to the rotating rod, the other end of the torsional spring is connected to the connecting blocks, and the connecting blocks in the connecting components are mutually connected in a rotatable mode; through the arrangement of the connecting block, when the first transmission belt rotates under the driving of the driving wheel, the connecting block and the rolling belt are mutually attracted, and meanwhile, the guide rod can drive the connecting block to move along with the first transmission belt through the guide groove, so that the connecting block drives the heat-insulating piece to rotate along with the first transmission belt, the situation that the heat-insulating piece cannot be driven to rotate in the rotating process of the first transmission belt is avoided, and the stability of the heat-insulating piece in the rotating process is improved; through the setting of dwang and second splint, when the side of keeping warm carries out the centre gripping to the piece and fixes or dismantle the piece that keeps warm, press the one end of second splint for the dwang drives second splint and rotates, and then makes the distance grow between second splint and the first splint, has made things convenient for the change or the dismantlement step to the piece that keeps warm.

The temperature control device also comprises a replacing component arranged on the shell; the replacing assembly comprises an opening arranged on the shell, a moving plate arranged above the opening, two guide blocks arranged on two sides of the moving plate, two push plates arranged on two sides of the moving plate, and two first elastic pieces respectively used for connecting the two push plates and the shell; the movable plate and the opening are arranged in a matched mode, the guide block is of a Y-shaped structure, and the guide block and the connecting block are arranged in a matched mode; through the arrangement of the guide blocks, when the heat preservation piece in the shell needs to be taken out, two push plates on two sides are pressed, so that the push plates drive the moving plate to move downwards and penetrate through the opening, then the guide blocks contact the rolling belt, at the moment, the driving wheel is started to drive the first transmission belt and the heat preservation piece to rotate, in the rotating process of the heat preservation piece, the connecting block at one end of the heat preservation piece can contact with the guide blocks in the moving process along with the first transmission belt, and under the blocking action of the guide blocks, the connecting block is pushed by the subsequent connecting blocks and moves upwards along the side parts of the guide blocks, then the connecting blocks sequentially move upwards along the guide blocks under the driving action of the first transmission belt, so that the heat preservation piece penetrates through the opening under the driving of the connecting blocks, finally the heat preservation piece is taken out from the opening, and the dismounting step of the heat preservation piece is facilitated, the condition that the operation process is dismantled to the heat preservation piece that leads to need open the casing when having avoided dismantling the heat preservation piece, simultaneously when the heat preservation piece needs to be reinstalled, press the push pedal once more and drive the one end laminating of guide block on the roll area, put into the opening along the opposite side of guide block with a plurality of connecting blocks of heat preservation piece and both sides afterwards, start the drive wheel simultaneously and drive first drive belt and rotate, make a plurality of guide bars on the first drive belt buckle in a plurality of guide ways on a plurality of connecting blocks in proper order, and through the drive of guide bar to the guide way, make heat preservation piece and a plurality of connecting blocks remove to first drive belt again, the installation to the heat preservation piece has been simplified, avoid appearing the heat preservation piece and be difficult to install to the first drive belt and the equipment heat preservation effect that leads to the condition of worsening.

The temperature control device also comprises two water through holes arranged at two ends of the shell, a water through pipe arranged on the shell and used for connecting the two water through holes, a plurality of water discharging holes arranged at one side of the water through pipe close to the box body, a plurality of moving pipes arranged in the water through pipe, a plurality of first telescopic rods respectively used for connecting the moving pipes, a plurality of second elastic pieces respectively arranged on the first telescopic rods, a first sealing block arranged on any one of the moving pipes close to the two water through holes in the moving pipes, a connecting wire arranged on the first sealing block, a fixing ring arranged on the connecting wire, a fixing block arranged on the shell and a second sealing block arranged on the shell; the movable pipe can move relative to the water service pipe, the first sealing block and the second sealing block are arranged in a matched mode, the connecting line penetrates through the water service hole, and the fixing ring and the fixing block are arranged in a matched mode; through the arrangement of the water service pipe, when the interior of the box body needs to be cooled, cold water is injected into the water service pipe from the water service hole at one end, then, the two sides of the box body are cooled through the cold water in the water service pipe, when the cooling effect and efficiency need to be increased, the connecting wire is pulled to drive the moving pipe at one end to move, and then the rest moving pipes are driven to move through the first telescopic rods, so that the positions of the water drain holes are exposed through the movement of the moving pipes, meanwhile, the first sealing block moves to the position of the second sealing block under the pulling of the connecting wire, one end of the water service pipe is blocked through the first sealing block and the second sealing block, so that the cold water can only drain from the water drain holes, and further, the cold water is discharged onto the side wall of the box body, the cooling effect of the box body is increased, meanwhile, different cooling modes are changed through the connecting wire, and therefore, the equipment is suitable for more temperature control requirements; through the setting of solid fixed ring and fixed block, after the connecting wire drives the removal pipe and removes and expose the wash port, will gu fixed ring cover on the fixed block to make the position of connecting wire fixed, made things convenient for the control to removing the pipe, and need not the staff and hold the connecting wire always, increased the convenience when equipment uses.

The temperature control device also comprises a plurality of spraying components which are respectively arranged on the plurality of drain holes; the spraying assembly comprises a water suction pump arranged on the water discharge hole, a spraying disc arranged on the water suction pump, a plurality of water chutes arranged on the spraying disc, a rotating disc arranged on the spraying disc and a driving wheel arranged on the rotating disc; the temperature control device also comprises a second transmission belt sleeved on a plurality of transmission wheels in the plurality of spraying assemblies; the spraying assemblies are identical in structure and symmetrically arranged, the water chute is of an inclined structure, the rotating disc can rotate relative to the spraying disc, and the rotating disc is of a semicircular structure; through the arrangement of the water guide groove, after the movable pipe is moved to expose the drain hole and block one end of the water through pipe, the water suction pump is started to suck cold water into the spraying disc, and then the cold water is sprayed on the outer wall of the box body through the water guide groove, so that the uniformity and the cold water coverage of the cold water sprayed on the outer wall of the box body are increased, and the cooling effect of the box body is improved; through the setting of drive wheel and rolling disc, when needs change the rivers size of spraying the dish, rotate one of them rolling disc, drive all the other rolling discs that all go on synchronous rotation through drive wheel and second drive belt simultaneously, make the rolling disc shelter from the position of some guiding gutter at the pivoted in-process, thereby make the area of coverage of spraying the rivers of spraying the dish diminish, simultaneously when the rolling disc blocks some guiding gutter, can make the rivers speed in the remaining guiding gutter become fast, and then make the remaining guiding gutter can produce some water smoke and little drop of water when spraying water on the box outer wall, the water smoke that produces can make the inside temperature of casing reduce, be favorable to the cooling processing inside the box more, little drop of water then can be sprinkled water at the guiding gutter and splash at the in-process of box outer wall, make the box outer wall not covered the position that can be splashed and can be covered by the little drop of water that splashes partly, avoided the box outer wall to produce the condition of local high temperature, and then avoided the box outer wall that leads to the situation that the damage appears because of local high temperature, when needing to increase the rolling disc of covering of rotation, make the shielding device to spray the cooling down the different conditions of the box that the effect of spraying again, thereby make the box carry out the adaptation of the backward spray of spraying different cooling to the different conditions of the cooling effect of spraying.

The temperature control device also comprises a water removal assembly arranged on the shell; the dewatering component comprises a fixed rod arranged on the shell, dewatering cloth arranged on the fixed rod, two guide blocks arranged at two ends of the dewatering cloth, two guide grooves respectively arranged on the two guide blocks, two guide frames respectively arranged on two uppermost connecting blocks at the initial positions of the two connecting parts, and two guide balls respectively arranged on the two guide frames; a coil spring is arranged in the fixed rod, one end of the dewatering cloth is connected to the coil spring, the guide ball and the guide groove are arranged in a matched mode, and the guide ball can rotate relative to the guide frame; through the arrangement of the water removing cloth, after the spraying disc sprays cold water on the outer wall of the box body for cooling, when the heat preservation piece needs to be attached to the outer wall of the box body again, the first transmission belt drives the heat preservation piece to rotate, meanwhile, in the rotating process of the heat preservation piece, the guide ball can be buckled into the guide groove, and the guide ball drives the guide block to move downwards, so that one end of the water removing cloth moves downwards under the driving of the guide block, the water removing cloth wipes the outer wall of the box body in the descending process, and the condition that the heat preservation effect is influenced due to the fact that the heat preservation piece absorbs water when the heat preservation piece contacts water is avoided; through the setting of dead lever and dewatering cloth, when the outer wall department that keeps warm and breaks away from the box under the drive of first drive belt, the guide ball breaks away from each other with the guiding groove simultaneously, and then makes dewatering cloth reset under the drive of the wind spring in the dead lever, makes things convenient for follow-up reuse dewatering cloth.

The temperature control device also comprises a filtering component arranged at the lower part of the shell; the filter assembly comprises a water storage box arranged at the bottom of the shell, a filter screen arranged on the water storage box and a water outlet hole arranged on the water storage box; through the setting of filter screen, in-process in cold water flows to the water storage box along the outer wall of box, can filter the dust that dopes in with cold water through the filter screen, avoided the cold water in the water storage box because the dust that dopes is too much and the dust that leads to plugs up the water service pipe or reduces the condition of the cooling effect of cold water when follow-up reuse.

In summary, the invention has the following advantages: can prevent the mutual cross interference of temperature, reduce the production cost and have simple and convenient design.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3 in accordance with the present invention.

Fig. 5 is a partial enlarged view of the invention at a in fig. 4.

Fig. 6 is a partial enlarged view of the invention at B in fig. 4.

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention.

Fig. 8 is a partial enlarged view of the invention at a in fig. 7.

Fig. 9 is a partially enlarged view of the invention at B in fig. 7.

Fig. 10 is a partial enlarged view of the invention at C in fig. 7.

Fig. 11 is a side view of the present invention.

FIG. 12 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 11 in accordance with the present invention.

Fig. 13 is a partial enlarged view of fig. 12 at a.

Fig. 14 is a partial enlarged view of the invention at B in fig. 12.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

As shown in fig. 1 to 14, a temperature control apparatus for a gas chromatograph includes a case 1, a lid 11 provided on an upper portion of the case, a bottom plate 12 provided on a lower portion of the case, a first partition 13 provided in the case, a second partition 14 provided in the case, a first cavity 15 provided between the case and the first partition, a second cavity 16 provided between the first partition and the second partition, a third cavity 17 provided between the second partition and the case, a first heating member 18 provided in the first cavity, a second heating member 19 provided in the second cavity, a third heating member 10 provided on one side of the second heating member, a fourth heating member 101 provided in the second cavity, a fifth heating member 102 provided in the third cavity, and two temperature control devices 2 provided on both sides of the case; heat insulation cotton is arranged in the first partition plate, the second partition plate, the bottom plate and the cover body, and heat insulation cotton is arranged in the other two sides of the box body; including PT100 temperature acquisition sensor, 80W's 24V direct current heating rod, heating piece in the first heating member, including PT100 temperature acquisition sensor, 80W's 24V direct current heating rod, heating piece in the second heating member, including PT100 temperature acquisition sensor, 80W's 24V direct current heating rod, heating piece in the third heating member, including PT100 temperature acquisition sensor, 80W's 24V direct current heating rod, heating piece in the fourth heating member, including PT100 temperature acquisition sensor, 80W's 24V direct current heating rod, heating piece in the fifth heating member, including PT100 temperature acquisition sensor, 120W's 24V direct current heating rod, heating piece, the lid with the box is connected through the buckle.

The temperature control device 2 comprises a shell 21, four driving wheels 22, two first transmission belts 23, a heat preservation piece 24, two connecting parts, a replacing component, two water through holes 207, a water through pipe 208, a plurality of water discharging holes 209, a plurality of moving pipes 210, a plurality of first telescopic rods 211, a plurality of second elastic pieces 212, a first sealing block 213, a connecting wire 214, a fixing ring 215, a fixing block 216, a second sealing block 217, a plurality of spraying components, a second transmission belt 232, a water removing component and a filtering component; the shell 21 is arranged on one side of the box body 1, the four driving wheels 22 are respectively arranged on two sides of the shell, the two first transmission belts 23 are respectively sleeved on the four driving wheels, and the heat preservation piece 24 is arranged on the first transmission belts; the drive wheel is rotatable relative to the housing; a motor is arranged in the driving wheel, the driving wheel rotates through the motor, and the heat insulation piece is made of heat insulation cotton; the two connecting components are respectively used for connecting the two first transmission belts 23 and the heat preservation piece 24, and each connecting component comprises a rolling belt 25, a plurality of guide rods 26 and a plurality of connecting components; the rolling belt 25 is arranged on the first transmission belt, the guide rods 26 are arranged on the first transmission belt, and the connecting components are arranged on the first transmission belt; the connecting assembly comprises a connecting block 27, a guide groove 28, a first clamping plate 29, a rotating rod 20 and a second clamping plate 201; the connecting block 27 is arranged on the first transmission belt, the guide groove 28 is arranged on the connecting block, the first clamping plate 29 is arranged on one side of the connecting block, the rotating rod 20 is arranged on the connecting block, and the second clamping plate 201 is arranged on the rotating rod; the two connecting parts are identical in structure and symmetrically arranged, the rolling belt is made of metal, the guide rod can be buckled into the guide groove, the connecting blocks are identical in structure, the rotating rod can rotate relative to the connecting blocks, a torsion spring is arranged in the rotating rod, one end of the torsion spring is connected to the rotating rod, the other end of the torsion spring is connected to the connecting blocks, and the connecting blocks in the connecting components are rotatably connected with one another; the replacing component is arranged on the shell 21 and comprises an opening 202, a moving plate 203, two guide blocks 204, two push plates 205 and two first elastic pieces 206; the opening 202 is arranged on the shell, the moving plate 203 is arranged above the opening, the two guide blocks 204 are arranged on two sides of the moving plate, the two push plates 205 are arranged on two sides of the moving plate, and the two first elastic pieces 206 are respectively used for connecting the two push plates and the shell; the movable plate can pass through the opening to move, the guide block is of a Y-shaped structure, the connecting block can move along one side of the guide block, and the first elastic piece is a spring; two water through holes 207 are arranged at two ends of the shell 21, a water through pipe 208 is arranged on the shell and is used for connecting the two water through holes, a plurality of water discharging holes 209 are arranged at one side of the water through pipe close to the box body, a plurality of movable pipes 210 are arranged in the water through pipe, a plurality of first telescopic rods 211 are respectively used for connecting the plurality of movable pipes, a plurality of second elastic members 212 are respectively arranged on the plurality of first telescopic rods, a first sealing block 213 is arranged on any one of the two movable pipes close to the two water through holes in the plurality of movable pipes, a connecting wire 214 is arranged on the first sealing block, a fixing ring 215 is arranged on the connecting wire, a fixing block 216 is arranged on the shell, and a second sealing block 217 is arranged on the shell; the movable pipe can move relative to the water service pipe, one end of the water service pipe can be sealed when the first sealing block and the second sealing block are closed, the connecting wire penetrates through the water service hole, and the fixing ring can be sleeved on the fixing block; the second elastic piece is a spring, and the connecting wire is a steel wire; a plurality of spraying components are respectively arranged on the plurality of water discharging holes 209, and each spraying component comprises a water suction pump 218, a spraying disc 219, a plurality of water chutes 220, a rotating disc 221 and a driving wheel 222; a water pump 218 is arranged on the water discharge hole, a spraying disc 219 is arranged on the water pump, a plurality of water chutes 220 are arranged on the spraying disc, a rotating disc 221 is arranged on the spraying disc, a driving wheel 222 is arranged on the rotating disc, and a second driving belt 232 is arranged on a plurality of driving wheels in the plurality of spraying assemblies; the spraying assemblies are identical in structure and symmetrically arranged, the water chute is of an inclined structure, the rotating disc can rotate relative to the spraying disc and is of a semicircular structure, and any one of the rotating discs rotates under the driving of the motor; the water pump is the prior art, and is not described herein again; the dewatering component is arranged on the shell 21 and comprises a fixing rod 223, dewatering cloth 224, two guide blocks 225, two guide grooves 226, two guide frames 227 and two guide balls 228; a fixing rod 223 is provided on the housing, a dewatering cloth 224 is provided on the fixing rod, two guide blocks 225 are provided at both ends of the dewatering cloth, two guide grooves 226 are provided on the two guide blocks, respectively, two guide brackets 227 are provided on the two uppermost connecting blocks of the initial positions of the two connecting members, respectively, and two guide balls 228 are provided on the two guide brackets, respectively; a coil spring is arranged in the fixed rod, one end of the dewatering cloth is connected to the coil spring, the guide ball can be buckled into the guide groove and can rotate relative to the guide frame, and the dewatering cloth is water-absorbing cloth; the filter assembly is arranged at the lower part of the shell 21 and comprises a water storage box 229 arranged at the bottom of the shell, a filter screen 230 arranged on the water storage box and a water outlet 231 arranged on the water storage box; the shell and the water storage box are connected through a buckle.

Two ends of the movable pipe 210 are provided with inclined grooves 91; through the setting of tip tank, when a plurality of removal pipes reset and are close to each other, can promote the particulate matter of mixing in aqueous that the clearance department between two adjacent removal pipes remained through the setting of tip tank, because the clearance department between the adjacent removal pipe remains the particulate matter and the removal pipe that leads to can't reset the complete condition when having avoided removing the pipe and being close to each other.

The spraying assembly further comprises a rotating cover 92 arranged on the water suction pump, a vortex-shaped groove 93 arranged on the rotating cover, a plurality of rotating plates 94 arranged on the rotating cover, a guide rod 95 arranged on the driving wheel, a water guide block 96 arranged on the box body and an absorption block 97 arranged on the water guide block; the water guide block is of a rhombic structure, the attraction block is made of magnets, and the guide rod is made of magnets; through the arrangement of the volute groove, when the water suction pump pumps water, water flow can flow into the water suction pump along the interior of the volute groove, so that the water flow can drive the rotating cover to rotate when being pumped into the water suction pump, meanwhile, the rotating cover can drive the rotating plates to rotate, and when the water suction pump pumps water, particles in the water flow can be scattered through the rotating plates, so that the condition that the interior of the water suction pump is blocked due to the fact that large particles are pumped into the water suction pump is avoided; through the arrangement of the water guide block, when the driving wheel and the rotating disc rotate, the driving wheel can drive the guide rod to rotate, and meanwhile, through mutual attraction of the guide rod and the attraction block, the guide rod drives the attraction block to rotate, so that the attraction block drives the water guide block to rotate, the placement position of the water guide block is adjusted, the acute angle upward state of the water guide block is changed into an obtuse angle upward state, so that water drops on the upper part of the outer wall of the box body slide downwards, the water drops can be guided to two sides through the diamond structure of the water guide block, and the distance between the water drops and the two sides is increased through upward change of the obtuse angle of the guide block, so that the position of the lower part of the box body can be uniformly flowed through the water drops through the water guide block after the water guide groove is blocked, the condition that the water flow cannot pass through the lower part of the outer wall of the box body is avoided, the condition that the temperature of the lower part of the box body is not uniform enough due to the fact that the water flow cannot pass through the water flow through the water guide block is avoided, and the condition that the lower part of the box body cannot be damaged due to the condition that a large amount of the water drops can not be sprayed along the water guide groove under the water spray direction of the box body is avoided; through the rotatable setting between guide bar and the drive wheel, when the heat preservation needs to carry out the use, the heat preservation can promote the guide bar and rotate downwards, has avoided producing the condition of interfering between guide bar and the heat preservation.

The specific working principle is as follows: when the device is heated by the first heating element 18, the second heating element 19, the third heating element 10, the fourth heating element 101 and the fifth heating element 102, the device can realize mutually independent module temperature acquisition operations of the first heating element 18, the second heating element 19, the third heating element 10, the fourth heating element 101 and the fifth heating element 102 through the mutually independent first cavity 15, the second cavity 16 and the third cavity 17; the acquired corresponding temperature and the temperature target value which needs to be reached are combined and calculated through a PID algorithm and an empirical model algorithm to give PWM control waveforms which are needed by controlling each independent temperature control module, then each independent first heating element 18, second heating element 19, third heating element 10, fourth heating element 101 and fifth heating element 102 are controlled through a circuit to output heat, and meanwhile, in the whole heating and heat preservation process, because the first partition plate 13, the second partition plate 14, the bottom plate 12, the cover body 11 and the box body 1 are mutually isolated by heat insulation cotton, the first cavity 15, the second cavity 16 and the third cavity 17 can be set with different temperatures and kept without being influenced by other temperatures; when heat preservation and heat insulation are needed to be carried out on two sides of the box body 1 through the heat preservation part 24, the driving wheel 22 is started to enable the driving wheel 22 to rotate, and then the first transmission belt 23 is driven to rotate, so that the heat preservation part 24 rotates along with the first transmission belt 23, the heat preservation part 24 is driven to move to the outer walls of the two sides of the box body 1 through the first transmission belt 23, then heat preservation and heat insulation are carried out on the interior of the box body 1 through the heat preservation part 24 attached to the two sides of the box body 1, when heat dissipation is needed to be carried out on the interior of the box body 1, the driving wheel 22 is started to drive the first transmission belt 23 and the heat preservation part 24 to rotate, so that the heat preservation part 24 is separated from the outer wall of the box body 1, the exterior of the box body 1 is separated from the heat preservation effect of the heat preservation part 24, and the heat dissipation speed of the interior of the box body 1 is accelerated; when the heat preservation member 24 in the housing 21 needs to be taken out, two push plates 205 on two sides are pressed, so that the push plates 205 drive the moving plate 203 to move downwards and pass through the opening 202, then the guide block 204 contacts the rolling belt 25, at this time, the driving wheel 22 is started to drive the first driving belt 23 and the heat preservation member 24 to rotate, in the process of rotating the heat preservation member 24, the connecting block 27 at one end of the heat preservation member 24 contacts the guide block 204 in the moving process along with the first driving belt 23, and under the blocking action of the guide block 204, the connecting block 27 is pushed by the subsequent connecting block 27 and moves upwards along the side portion of the guide block 204, and then under the driving action of the first driving belt 23, the plurality of connecting blocks 27 sequentially move upwards along the guide block 204, so that the heat preservation member 24 passes through the opening 202 under the driving of the plurality of connecting blocks 27, and finally the heat preservation member 24 is taken out from the opening 202; meanwhile, when the heat preservation piece 24 needs to be reinstalled, the push plate 205 is pressed again to drive one end of the guide block 204 to be attached to the rolling belt 25, then the heat preservation piece 24 and the plurality of connecting blocks 27 on the two sides are placed into the opening 202 along the other side of the guide block 204, and meanwhile, the driving wheel 22 is started to drive the first transmission belt 23 to rotate, so that the plurality of guide rods 26 on the first transmission belt 23 are sequentially buckled into the plurality of guide grooves 28 on the plurality of connecting blocks 27, and the heat preservation piece 24 and the plurality of connecting blocks 27 are moved onto the first transmission belt 23 again through the driving of the guide rods 26 to the guide grooves 28; when the interior of the box body 1 needs to be cooled, cold water is injected into the water through pipe 208 from the water through hole 207 at one end, then the two sides of the box body 1 are cooled through the cold water in the water through pipe 208, when the cooling effect and efficiency need to be increased, the connecting line 214 is pulled to drive the movable pipe 210 at one end to move, and then the plurality of first telescopic rods 211 drive the rest of the plurality of movable pipes 210 to move, so that the positions of the plurality of water discharge holes 209 are exposed through the movement of the plurality of movable pipes 210, meanwhile, the first sealing block 213 is moved to the position of the second sealing block 217 under the pulling of the connecting line 214, and one end of the water through pipe 208 is blocked through the first sealing block 213 and the second sealing block 217, so that the cold water can only be discharged from the water discharge holes 209, and further, the cold water is discharged to the side wall of the box body 1, the cooling effect of the box body 1 is increased, and different cooling modes are changed through the connecting line 214, so that the equipment is suitable for more temperature control requirements; when the movable pipe 210 is moved to expose the drain hole 209 and block one end of the water pipe 208, the water pump 218 is started to pump cold water into the spray discs 219, and then the cold water is sprayed on the outer wall of the box body 1 through the water chute 220, so that the uniformity and the coverage of the cold water sprayed on the outer wall of the box body 1 are increased, when the size of the water sprayed on the spray discs 219 needs to be changed, one of the rotary discs 221 is rotated, and simultaneously all the other rotary discs 221 are driven to synchronously rotate through the driving wheel 222 and the second driving belt 232, so that the rotary disc 221 shields the position of a part of the water chute 220 in the rotating process, the size of the water sprayed on the spray discs 219 is changed, and the cooling effect of the spray discs 219 on the box body 1 can be changed according to different conditions; after the spraying disc 219 sprays cold water on the outer wall of the box body 1 for cooling, when the heat preservation member 24 needs to be attached to the outer wall of the box body 1 again, the first driving belt 23 drives the heat preservation member 24 to rotate, meanwhile, in the rotating process of the heat preservation member 24, the guide ball 228 is buckled into the guide groove 226, and the guide block 225 is driven by the guide ball 228 to move downwards, so that one end of the dewatering cloth 224 moves downwards under the driving of the guide block 225, and further the outer wall of the box body 1 is wiped by the dewatering cloth 224 in the descending process, when the heat preservation member 24 is separated from the outer wall of the box body 1 under the driving of the first driving belt 23, the guide ball 228 is separated from the guide groove 226 at the same time, and further the dewatering cloth 224 is reset under the driving of the coil spring in the fixing rod 223, and the dewatering cloth 224 is convenient to be reused subsequently.

It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

Claims

1. A temperature control apparatus for a gas chromatograph, characterized by: the heating device comprises a box body (1), a cover body (11) arranged on the upper part of the box body, a bottom plate (12) arranged on the lower part of the box body, a first partition plate (13) arranged in the box body, a second partition plate (14) arranged in the box body, a first cavity (15) arranged between the box body and the first partition plate, a second cavity (16) arranged between the first partition plate and the second partition plate, a third cavity (17) arranged between the second partition plate and the box body, a first heating element (18) arranged in the first cavity, a second heating element (19) arranged in the second cavity, a third heating element (10) arranged on one side of the second heating element, a fourth heating element (101) arranged in the second cavity, a fifth heating element (102) arranged in the third cavity, and two temperature control devices (2) arranged on two sides of the box body; heat insulation cotton is arranged in the first partition plate, the second partition plate, the bottom plate and the cover body, and heat insulation cotton is arranged in the other two sides of the box body;

the temperature control device (2) comprises a shell (21) arranged on one side of the box body (1), four driving wheels (22) respectively arranged on two sides of the shell, two first driving belts (23) respectively sleeved on the four driving wheels, and a heat preservation piece (24) arranged on the first driving belts; the drive wheel is rotatable relative to the housing;

the temperature control device (2) further comprises two connecting parts respectively used for connecting the two first transmission belts (23) and the heat preservation part (24); the connecting component comprises a rolling belt (25) arranged on the first transmission belt, a plurality of guide rods (26) arranged on the first transmission belt, and a plurality of connecting components arranged on the first transmission belt; the connecting assembly comprises a connecting block (27) arranged on the first transmission belt, a guide groove (28) arranged on the connecting block, a first clamping plate (29) arranged on one side of the connecting block, a rotating rod (20) arranged on the connecting block and a second clamping plate (201) arranged on the rotating rod; the two connecting parts are identical in structure and symmetrically arranged, the rolling belt is made of metal, the guide rod and the guide groove are arranged in a matched mode, the connecting blocks are identical in structure, the rotating rod can rotate relative to the connecting blocks, a torsion spring is arranged in the rotating rod, one end of the torsion spring is connected to the rotating rod, the other end of the torsion spring is connected to the connecting blocks, and the connecting blocks in the connecting components are connected in a rotatable mode;

the temperature control device (2) further comprises a replacement component arranged on the shell (21); the replacing assembly comprises an opening (202) arranged on the shell, a moving plate (203) arranged above the opening, two guide blocks (204) arranged on two sides of the moving plate, two push plates (205) arranged on two sides of the moving plate, and two first elastic pieces (206) respectively used for connecting the two push plates and the shell; the movable plate and the opening are arranged in a matched mode, the guide block is of a Y-shaped structure, and the guide block and the connecting block are arranged in a matched mode;

the temperature control device (2) further comprises two water through holes (207) arranged at two ends of the shell (21), a water through pipe (208) arranged on the shell and used for connecting the two water through holes, a plurality of water drainage holes (209) arranged at one side of the water through pipe close to the box body, a plurality of movable pipes (210) arranged in the water through pipe, a plurality of first telescopic rods (211) respectively used for connecting the plurality of movable pipes, a plurality of second elastic members (212) respectively arranged on the plurality of first telescopic rods, a first sealing block (213) arranged on any one of the two movable pipes close to the two water through holes in the plurality of movable pipes, a connecting wire (214) arranged on the first sealing block, a fixing ring (215) arranged on the connecting wire, a fixing block (216) arranged on the shell and a second sealing block (217) arranged on the shell; the movable pipe can move relative to the water service pipe, the first sealing block and the second sealing block are arranged in a matched mode, the connecting line penetrates through the water service hole, and the fixing ring and the fixing block are arranged in a matched mode;

the temperature control device (2) also comprises a plurality of spraying components which are respectively arranged on the plurality of drain holes (209); the spraying assembly comprises a water suction pump (218) arranged on the water discharge hole, a spraying disc (219) arranged on the water suction pump, a plurality of water chutes (220) arranged on the spraying disc, a rotating disc (221) arranged on the spraying disc and a driving wheel (222) arranged on the rotating disc; the temperature control device also comprises a second transmission belt (232) sleeved on a plurality of transmission wheels in the plurality of spraying components; the spraying assemblies are identical in structure and symmetrically arranged, the water chute is of an inclined structure, the rotating disc can rotate relative to the spraying disc, and the rotating disc is of a semicircular structure;

the temperature control device (2) also comprises a water removal assembly arranged on the shell (21); the dewatering component comprises a fixed rod (223) arranged on the shell, dewatering cloth (224) arranged on the fixed rod, two guide blocks (225) arranged at two ends of the dewatering cloth, two guide grooves (226) respectively arranged on the two guide blocks, two guide frames (227) respectively arranged on two uppermost connecting blocks at initial positions of the two connecting components, and two guide balls (228) respectively arranged on the two guide frames; a coil spring is arranged in the fixed rod, one end of the dewatering cloth is connected to the coil spring, the guide ball and the guide groove are arranged in a matched mode, and the guide ball can rotate relative to the guide frame;

the temperature control device (2) also comprises a filtering component arranged at the lower part of the shell (21); the filtering component comprises a water storage box (229) arranged at the bottom of the shell, a filtering net (230) arranged on the water storage box, and a water outlet (231) arranged on the water storage box.