CN113252721A - Temperature detection test device and method for simulating blind end of tube cavity product - Google Patents
Temperature detection test device and method for simulating blind end of tube cavity product Download PDFInfo
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- CN113252721A CN113252721A CN202110781582.1A CN202110781582A CN113252721A CN 113252721 A CN113252721 A CN 113252721A CN 202110781582 A CN202110781582 A CN 202110781582A CN 113252721 A CN113252721 A CN 113252721A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a temperature detection test device and a temperature detection test method for simulating a blind end of a tube cavity product, wherein a temperature detection part is arranged in the tube cavity product, and the whole tube cavity product is fixed on a temperature debugging test device for carrying out a temperature rise and temperature reduction test; moving the tube cavity product to the central position of the temperature debugging test device, turning to a heating cavity of the temperature debugging test device for heating operation, monitoring the internal temperature of the tube cavity product and generating a heating function relation between the internal temperature of the tube cavity product and the ambient temperature; regulating and controlling the tube cavity product to turn to a cooling cavity of the temperature debugging test device for cooling treatment, monitoring the internal temperature of the tube cavity product and generating a cooling function relation between the internal temperature of the tube cavity product and the ambient temperature; turning to the position of the tube cavity product for multiple times, and repeatedly testing the temperature characteristic of the tube cavity product in a cold and hot alternating environment; the invention can realize the high temperature resistance test and the low temperature resistance test in a turnover mode, thereby improving the accuracy of the temperature resistance test.
Description
Technical Field
The invention relates to the technical field of detection of tube cavity products, in particular to a temperature detection test device and method for simulating a blind end of a tube cavity product.
Background
The tubular article has very specific geometrical/dimensional characteristics, such as a "multilumen" cross-section (i.e. defining a plurality of passage sections within the maximum circumference), in which the through openings are arranged on a plurality of concentric crowns (concentric crowns), and these through openings may also have different macroscopic or microscopic dimensions in terms of the maximum outer diameter and the total number of internal passage openings (as well as the angular distance between adjacent openings or in terms of the inner diameter of the individual passage openings themselves).
It is well known that tubular products and miniature products with multi-lumen parts can be used in various fields, from medical applications to other engineering fields requiring rather high dimensional accuracy and requiring extremely robust structural and channeling characteristics, and that temperature stability of medical lumen products is also one of the important qualities in their use, since they require many times high-temperature sterilization or low-temperature treatment during use.
The temperature resistance test of current lumen product mostly carries out the test of rising the temperature in a cavity, confirms the high temperature stability of lumen product, carries out low temperature test in another cavity, confirms the low temperature stability of lumen product, leads to the temperature test inefficiency to same lumen product, and can't realize the quick alternate test of low temperature high temperature, can't confirm the stability of lumen product at low temperature high temperature conversion.
Disclosure of Invention
The invention aims to provide a temperature detection test device and a temperature detection test method for simulating a blind end of a tube cavity product, and aims to solve the technical problems that the temperature test efficiency of the same tube cavity product is low, the low-temperature high-temperature rapid alternate test cannot be realized, and the stability of the tube cavity product in low-temperature high-temperature conversion cannot be determined in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a temperature detection test device for simulating a blind end of a tube cavity product comprises:
the temperature detection component is arranged inside the blind end of the tube cavity product and is used for monitoring the internal temperature of the blind end of the tube cavity product;
the temperature debugging test device comprises a cooling cavity, a heating cavity and a heat insulation mounting plate, wherein the cooling cavity and the heating cavity are integrally distributed, the heat insulation mounting plate is arranged between the cooling cavity and the heating cavity, and the tube cavity product is mounted on the heat insulation mounting plate and overturns around the heat insulation mounting plate to complete a heating and cooling debugging test;
the turning plate driving assembly is arranged on the heat insulation mounting plate and used for driving the tube cavity product to complete the turning plate operation in an angle so as to drive the tube cavity product to change positions in the cooling cavity and the heating cavity;
the control system is electrically connected with the cooling cavity, the heating cavity, the turning plate driving assembly and the temperature detection component respectively, the control system is used for regulating and controlling the heating work of the heating cavity and the cooling work of the cooling cavity, the control system receives an output signal of the temperature detection component and converts the output signal into the temperature of the tube cavity product, and the control system regulates and controls the turning plate driving assembly to drive the tube cavity product to turn to the turning plate in the cooling cavity and the heating cavity according to the temperature of the tube cavity product;
control system is through the contrast the temperature of lumen product with the heating temperature of intensification cavity is in order to confirm temperature in the lumen product with the intensification relational expression between the heating temperature of intensification cavity, control system is through the contrast the temperature of lumen product with the cooling temperature of cooling cavity is in order to confirm temperature in the lumen product with cooling relational expression between the cooling temperature of cooling cavity, control system is through many times regulation and control the lumen product is in the switching position is in order to generate a plurality ofly respectively in cooling cavity and the intensification cavity intensification relational expression and cooling relational expression, just control system basis the change of intensification relational expression and cooling relational expression is confirmed the temperature resistant stability of lumen product.
As a preferred scheme of the present invention, the control system generates a temperature-raising characteristic curve of the tube cavity product based on a temperature-raising relational expression of each temperature-raising test, and the control system generates a temperature-lowering characteristic curve of the tube cavity product based on a temperature-lowering relational expression of each temperature-lowering test;
the control system detects the high-temperature stability of the tube cavity product according to the slope difference of the plurality of temperature-rising characteristic curves, and the control system detects the low-temperature stability of the tube cavity product according to the slope difference of the plurality of temperature-falling characteristic curves.
As a preferred scheme of the invention, the heat insulation mounting plate comprises two heat insulation cavity plates fixedly mounted between the cooling cavity and the heating cavity, a gap for driving the tubular cavity product to move linearly is formed between the two heat insulation cavity plates, and the flap driving assembly is arranged in the gap between the two heat insulation cavity plates;
the upper surfaces of the two heat insulation cavity plates are provided with movable heat insulation plates for closing the gaps, the movable heat insulation plates move towards the side surfaces of the heat insulation cavity plates to release the gaps between the two heat insulation cavity plates, and the movable heat insulation plates move towards the gaps between the two heat insulation cavity plates to cover the gaps;
a driving chain is arranged in an inner interlayer of the heat insulation cavity plate, the turning plate driving assembly is driven by the driving chain to move along the gap, the turning plate driving assembly moves to the outer end of the gap to replace the tube cavity product, and the turning plate driving assembly moves to the inner end of the gap to carry out heating or cooling treatment;
the movable heat insulation plate is used for covering the gap with the heat dissipation hole, and the movable heat insulation plate linearly moves along the upper surface of the heat insulation cavity plate under the action of the linear motor.
As a preferred scheme of the invention, the flap driving assembly comprises a heat insulation moving base which linearly moves along the heat insulation cavity plate, and a flap mechanism arranged on the heat insulation moving base, wherein the flap mechanism is used for driving the tube cavity product to flap between the cooling cavity and the heating cavity;
the heat insulation movable base comprises a wiring frame and a heat insulation mounting bottom plate, the wiring frame is arranged on the heat insulation cavity plates respectively, the heat insulation mounting bottom plate is arranged inside the wiring frame, two outer surfaces of the wiring frame are provided with extension straight rods respectively, gears are movably arranged on the extension straight rods, and the driving chain drives the heat insulation movable base to linearly move between the two heat insulation cavity plates through meshing with the gears.
As a preferred scheme of the invention, the panel turnover mechanism comprises a rotating connecting rod arranged on two parallel side surfaces of the heat insulation mounting bottom plate and a round panel fixedly connected with the rotating connecting rod, a driving cylinder is arranged on one side of the round panel, a telescopic shaft of the driving cylinder is connected with a push rod movably connected with the round panel, and a bearing pile for supporting the push rod is arranged on the routing frame;
the lower extreme of push rod articulates the edge of circular panel, the central point of thermal-insulated mounting plate puts through the fixed centre gripping of centre gripping claw hand the lumen product, it promotes to drive actuating cylinder drive when moving about the push rod circular panel is rotatory, circular panel and then drive the upset of thermal-insulated mounting plate.
As a preferred scheme of the present invention, a first temperature sensor is disposed in the cooling cavity, the first temperature sensor is configured to monitor an ambient temperature for cooling the lumen product, a second temperature sensor is disposed in the warming cavity, and the second temperature sensor is configured to monitor an ambient temperature for warming the lumen product;
the control system determines the cooling temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the first temperature sensor and the output signal of the temperature detection component, and creates a cooling characteristic curve of the tube cavity product cooled along with the environmental temperature according to the cooling effect of the internal temperature of the tube cavity product along with the external environment;
and the control system determines the temperature rise temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the second sensor and the output signal of the temperature detection component, and creates a temperature rise characteristic curve of the tube cavity product rising along with the environmental temperature according to the temperature rise effect of the internal temperature of the tube cavity product along with the external environment.
In order to solve the technical problem, the invention also provides the following technical scheme, and the temperature detection method of the temperature detection device for simulating the blind end of the tube cavity product comprises the following steps:
step 100, installing a temperature detection component in a tube cavity product, and fixing the whole tube cavity product on a mounting point of a temperature debugging test device which moves to the side surface;
200, moving the tube cavity product to the central position of the temperature debugging test device, turning to a heating cavity of the temperature debugging test device to carry out heating operation, monitoring the internal temperature of the tube cavity product and generating a heating function relation between the internal temperature of the tube cavity product and the ambient temperature;
step 300, regulating and controlling the tube cavity product to turn to a cooling cavity of the temperature debugging test device for cooling treatment, monitoring the internal temperature of the tube cavity product and generating a cooling function relation between the internal temperature of the tube cavity product and the ambient temperature;
and 400, turning to the positions of the tube cavity products in the heating cavity and the cooling cavity for multiple times, and repeatedly testing the temperature characteristics of the tube cavity products in the cold and hot alternate environment.
As a preferable scheme of the invention, the temperature debugging test device comprises a cooling cavity and a heating cavity, the tube cavity product is mounted on a heat insulation mounting plate between the cooling cavity and the heating cavity, the heat insulation mounting plate moves in parallel with the side surface of the cooling cavity under the action of a driving component, the heat insulation mounting plate moves to the edge of the cooling cavity to mount the tube cavity product or replace the tube cavity product, and the heat insulation mounting plate moves to the central position of the cooling cavity to perform cooling and heating tests.
As a preferable scheme of the present invention, the temperature of the warming cavity is in a constant temperature state or a temperature increasing state, the temperature detecting component in the warming cavity and the temperature detecting component in the tube cavity product periodically send monitoring data to the control system, the control system generates a warming function relation according to the temperature in the warming cavity and the temperature in the tube cavity product at the same time point, and generates a warming characteristic curve of the tube cavity product, an abscissa of the warming characteristic curve is the temperature in the warming cavity, and an ordinate of the warming characteristic curve is the temperature in the tube cavity product;
the temperature of cooling cavity is the state of declining for constant temperature state or temperature, temperature detecting element in the cooling cavity and temperature detecting element in the lumen product regularly to control system sends monitoring data, control system is according to same time point the temperature in the cooling cavity and temperature in the lumen product generates intensification function relation, and generates the cooling characteristic curve of lumen product, the abscissa of cooling characteristic curve does the temperature in the cooling cavity, the ordinate of cooling characteristic curve does temperature in the lumen product.
As a preferable aspect of the present invention, in step 400, the low temperature resistance characteristic of the tube cavity product is detected by comparing slopes of curve segments of the temperature-increasing characteristic curve between two same temperatures of the tube cavity product for a plurality of times, and the high temperature resistance characteristic of the tube cavity product is detected by comparing slopes of curve segments of the temperature-decreasing characteristic curve between two same temperatures of the tube cavity product for a plurality of times.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the cold and hot alternation test of the tube cavity product is realized through the integrally formed heating cavity and cooling cavity, the operation is simple and convenient, and the test transfer is not needed, so that the test efficiency is improved, the change rule between the internal temperature and the external environment temperature of the tube cavity product is tested for multiple times to generate a cooling characteristic curve and a heating thermal curve, and the heat resistance and the cold resistance of the tube cavity product are determined by calculating the slope change of the cooling characteristic curve and the heating thermal curve, so that the quality detection function of the tube cavity product is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic side sectional view of a temperature detection device according to an embodiment of the present invention;
FIG. 2 is a schematic top view of an insulated panel according to an embodiment of the present invention;
FIG. 3 is a schematic side sectional view of a heat-insulated mobile base according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a flap angle of the flap mechanism provided in the embodiment of the present invention being 0 °;
fig. 5 is a schematic structural diagram of a flap angle of the flap mechanism provided in the embodiment of the present invention being 90 °;
fig. 6 is a schematic structural diagram of a flap angle of 180 ° of the flap mechanism according to the embodiment of the present invention;
fig. 7 is a schematic flow chart of a temperature detection method according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a temperature detection component; 2-temperature debugging test device; 3-a flap drive assembly; 4-a control system; 5-a first temperature sensor; 6-a second temperature sensor;
21-cooling the cavity; 22-heating cavity; 23-a thermally insulated mounting plate;
231-insulating cavity plate; 232-gap; 233-moving the heat insulation plate; 234-drive chain;
31-a thermally insulated mobile base; 32-a flap mechanism;
311-a trace frame; 312-an elongate straight rod; 313-gear; 314-thermally insulated mounting floor;
321-a rotating link; 322-a drive cylinder; 323-push rod; 325-circular panel; 326-bearing pile.
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.
As shown in figure 1, the invention provides a temperature detection test device for simulating the blind end of a pipe cavity product, which can realize high temperature resistance test and low temperature resistance test on the pipe cavity product in a turnover mode, has simple operation mode and high test speed, and does not need to transfer the pipe cavity product, thereby improving the accuracy of the temperature resistance test.
The method comprises the following steps: the device comprises a temperature detection part 1, a temperature debugging test device 2, a turning plate driving assembly 3 and a control system 4.
The temperature detection component 1 is arranged inside the blind end of the tube cavity product and used for monitoring the internal temperature of the blind end of the tube cavity product.
The temperature detecting unit 1 may be composed of a thermistor and an analog/digital converting unit, and the temperature detecting unit 1 may also be a temperature sensor, and its specific operation principle is the same as that of the conventional temperature detecting module, and detailed explanation is not given in this embodiment.
The most pipe cavity products are heat conduction materials, the simulation pipe cavity products of the embodiment comprise a heat conduction cylinder and a cavity body arranged inside the heat conduction cylinder, one end of the heat conduction cylinder is arranged to be a blind end, the temperature detection part 1 is fixed to the blind end through a heat conduction colloid, and the other end of the heat conduction cylinder is connected with the data line of the fixed temperature detection part 1 through a bolt block and the inner surface of the heat conduction cylinder in a threaded mode.
The temperature debugging test device 2 comprises a cooling cavity 21, a heating cavity 22 and a heat insulation mounting plate 23, wherein the cooling cavity 21 and the heating cavity 22 are integrally distributed, the heat insulation mounting plate 23 is arranged between the cooling cavity 21 and the heating cavity 22, and a tube cavity product is mounted on the heat insulation mounting plate 23 and overturns around the heat insulation mounting plate 23 to finish the temperature rising and cooling debugging test.
The turning plate driving component 3 is arranged on the heat insulation mounting plate 23 and is used for driving the tube cavity product to complete 180-degree turning plate operation so as to drive the tube cavity product to change positions in the cooling cavity 21 and the heating cavity 22.
Control system 4 respectively with cooling cavity 21, the cavity 22 that heaies up, turn over board drive assembly 3 and temperature detection part 1 electric connection, control system 4 is used for regulating and controlling the heating work of the cavity 22 that heaies up and the cooling work of cooling cavity 21, and control system 4 receives the output signal of temperature detection part 1 and converts into the temperature of lumen product, control system 4 turns over board drive assembly 3 and drives the lumen product turn to the board in cooling cavity 21 and the cavity 22 that heaies up according to the temperature regulation and control of lumen product.
Control system 4 is through contrasting the temperature of lumen product and the heating temperature of intensification cavity 22 in order to confirm the intensification relational expression between the temperature in the lumen product and the heating temperature of intensification cavity 22, control system 4 is through contrasting the temperature of lumen product and the cooling temperature of cooling cavity 21 in order to confirm the cooling relational expression between the temperature in the lumen product and the cooling temperature of cooling cavity 21, control system 4 is through regulating and controlling the position of tube cavity product switching in cooling cavity 21 and intensification cavity 22 many times in order to generate a plurality of intensification relational expressions and cooling relational expressions respectively, and control system 4 confirms the temperature resistant stability of lumen product according to the change of intensification relational expression and cooling relational expression.
The control system 4 generates a temperature-rise characteristic curve of the tube cavity product based on the temperature-rise relational expression of each temperature-rise test, and the control system 4 generates a temperature-decrease characteristic curve of the tube cavity product based on the temperature-decrease relational expression of each temperature-decrease test.
The control system 4 detects the high temperature stability of the lumen product according to the slope difference of the plurality of temperature rise characteristic curves, and the control system 4 detects the low temperature stability of the lumen product according to the slope difference of the plurality of temperature fall characteristic curves.
Medical lumen product most need carry out high temperature disinfection or low temperature disinfection and treatment, consequently the operation that relapses for a long time mostly can destroy the heat stability of lumen product, influence the normal use of lumen product, consequently for the heat stability of experimental different lumen products, this embodiment provides the temperature detection test device convenient to at low temperature and high temperature environment transition test, come to detect the temperature variation of lumen product under low temperature and high temperature alternate environment, thereby verify the heat stability of lumen product.
As shown in fig. 2 and fig. 3, the temperature debugging test device 2 and the flap driving assembly 3 have the following specific structures:
the heat insulation mounting plate 23 comprises two heat insulation cavity plates 231 fixedly mounted between the cooling cavity 21 and the heating cavity 22, a gap 232 for driving the tubular cavity product to move linearly is formed between the two heat insulation cavity plates 231, and the flap driving assembly 3 is arranged in the gap 232 between the two heat insulation cavity plates 231.
The upper surfaces of the two insulation cavity plates 231 are provided with moving insulation plates 233 for closing the gaps 232, the moving insulation plates 233 move to the sides of the insulation cavity plates 231 to release the gaps 232 between the two insulation cavity plates 231, and the moving insulation plates 233 move to the gaps 232 between the two insulation cavity plates 231 to cover the gaps 232.
A driving chain 234 is arranged in an inner interlayer of the heat insulation cavity plate 231, the turning plate driving assembly 3 is driven by the driving chain 234 to move along the gap 232, the turning plate driving assembly 3 moves to the outer end of the gap 232 to replace a tube cavity product, and the turning plate driving assembly 3 moves to the inner end of the gap 232 to perform heating or cooling treatment.
The heat insulation cavity plate 231 drives the turning plate driving component 3 to linearly move through the driving chain 234, so that a tube cavity product on the turning plate driving component 3 can be replaced or installed conveniently, the movable heat insulation plate 233 needs to be moved to the side face of the heat insulation cavity plate 231 to release the gap 232 between the two heat insulation cavity plates 231, and the heat insulation can be realized only by arranging a window on the side face of the cooling cavity 21 or the heating cavity 22, so that the operation is simple, and the realization is convenient.
When the driving chain 234 drives the flap driving assembly 3 to move to the inner end of the gap 232, the movable heat insulation plate 233 moves towards the gap 232 at the center of the heat insulation cavity plate 231 to cover the gap 232, so that heat insulation treatment of the cooling cavity 21 and the warming cavity 22 is realized, independent temperature control of the cooling cavity 21 and the warming cavity 22 is realized respectively, and heating and cooling treatment of cavity products are conveniently realized.
Specifically, the movable heat insulating plate 233 serves to cover the gap 232 where the heat radiating hole is formed, the movable heat insulating plate 233 linearly moves along the upper surface of the heat insulating cavity plate 231 by the linear motor, and the movable heat insulating plate 233 linearly moves along the upper surface of the heat insulating cavity plate 231 by the linear motor.
The structure of the flap driving assembly 3 for realizing linear movement along the gap 232 is as follows: the flap driving assembly 3 comprises a heat insulation moving base 31 which linearly moves along the heat insulation cavity plate 231, and a flap mechanism 32 arranged on the heat insulation moving base 31, wherein the flap mechanism 32 is used for driving the tube cavity product to flap between the cooling cavity 21 and the heating cavity 22.
The heat insulation mobile base 31 comprises a routing frame 311 respectively arranged on the heat insulation cavity plates 231 and a heat insulation mounting bottom plate 314 arranged inside the routing frame 311, two outer surfaces of the routing frame 311 are respectively provided with an extension straight rod 312, a gear 313 is movably arranged on the extension straight rod 312, and the driving chain 234 drives the heat insulation mobile base 31 to linearly move between the two heat insulation cavity plates 231 through meshing with the gear 313.
As shown in fig. 4 to 6, the plate turnover mechanism 32 is used for turning over the tube cavity product, and specifically realizes 180-degree turning over, so as to turn over the tube cavity product in the cooling cavity 21 and the heating cavity 22, and the specific implementation structure is as follows:
the panel turnover mechanism 32 comprises a rotating connecting rod 321 arranged on two parallel sides of the heat insulation mounting bottom plate 314 and a round panel 325 fixedly connected with the rotating connecting rod 321, a driving cylinder 322 is arranged on one side of the round panel 325, a telescopic shaft of the driving cylinder 322 is connected with a push rod 323 movably connected with the round panel 325, and a bearing pile 326 used for supporting the push rod 323 is arranged on the routing frame 311;
the lower end of the push rod 323 is hinged to the edge of the circular panel 325, the center of the heat insulation mounting bottom plate 314 is fixed and clamped with a tube cavity product through a clamping claw, the drive cylinder 322 drives the circular panel 325 to rotate when pushing the push rod 323 to move left and right, and the circular panel 325 further drives the heat insulation mounting bottom plate 314 to turn over.
When the driving cylinder 322 pushes the push rod 323 left and right, the push rod 323 drives the circular panel 325 to rotate, and further drives the thermal insulation mounting base plate 314 to turn over, in order to ensure the normal implementation of the turning operation, the thermal insulation mounting base plate 314 is designed to be in a cube shape in the present embodiment, and therefore the separation effect on the cooling cavity 21 and the heating cavity 22 is still achieved after the thermal insulation mounting base plate 314 turns over.
Be equipped with first temperature sensor 5 in the cooling cavity 21, first temperature sensor 5 is used for the ambient temperature of monitoring the pipe chamber product cooling, is equipped with second temperature sensor 6 in the intensification cavity 22, and second temperature sensor 6 is used for the ambient temperature of monitoring the pipe chamber product intensification.
The control system 4 determines the cooling temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the first temperature sensor 5 and the output signal of the temperature detection part 1, and creates a cooling characteristic curve of the tube cavity product along with the cooling of the environmental temperature according to the cooling effect of the internal temperature of the tube cavity product along with the external environment.
The control system 4 determines the temperature rise temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the second sensor and the output signal of the temperature detection component 1, and creates a temperature rise characteristic curve of the tube cavity product rising with the temperature of the environment according to the temperature rise effect of the internal temperature of the tube cavity product with the external environment.
As is well known, in a repeated cold and hot alternation test, if the heat resistance of a tube cavity product changes, the temperature rise characteristic curve of the tube cavity product which is heated stably with the ambient temperature or the temperature decrease characteristic curve of the tube cavity product which is cooled stably with the ambient temperature has different trends or slopes, and then the heat resistance and cold resistance stability of the tube cavity product is determined by comparing the slopes of a plurality of temperature rise characteristic curves or temperature decrease characteristic curves after a plurality of tests.
Based on the above, as shown in fig. 7, the present embodiment further provides a temperature detection method of a temperature detection device simulating a blind end of a tubular cavity product, including the following steps:
step 100, installing a temperature detection component in a tube cavity product, and fixing the whole tube cavity product on a mounting point of a temperature debugging test device which moves to the side surface;
200, moving the tube cavity product to the central position of the temperature debugging test device, turning to a heating cavity of the temperature debugging test device to carry out heating operation, monitoring the internal temperature of the tube cavity product and generating a heating function relation between the internal temperature of the tube cavity product and the ambient temperature;
step 300, regulating and controlling the tube cavity product to turn to a cooling cavity of the temperature debugging test device for cooling treatment, monitoring the internal temperature of the tube cavity product and generating a cooling function relation between the internal temperature of the tube cavity product and the ambient temperature;
and 400, repeatedly turning to the positions of the tube cavity products in the heating cavity and the cooling cavity, and repeatedly testing the temperature characteristics of the tube cavity products in the cold and hot alternate environment.
The temperature debugging test device comprises a cooling cavity and a heating cavity, a tube cavity product is installed on a heat insulation mounting plate between the cooling cavity and the heating cavity, the heat insulation mounting plate moves along the side face parallel movement with the cooling cavity under the action of a driving part, the heat insulation mounting plate moves to the edge of the cooling cavity to install the tube cavity product or replace the tube cavity product, and the heat insulation mounting plate moves to the center of the cooling cavity to carry out cooling and heating tests.
The temperature of the heating cavity is in a constant temperature state or a temperature increasing state, the temperature detection component in the heating cavity and the temperature detection component in the tube cavity product send monitoring data to the control system at regular time, the control system generates a heating function relation according to the temperature in the heating cavity and the temperature in the tube cavity product at the same time point and generates a heating characteristic curve of the tube cavity product, the abscissa of the heating characteristic curve is the temperature in the heating cavity, and the ordinate of the heating characteristic curve is the temperature in the tube cavity product;
the temperature of the cooling cavity is in a constant temperature state or a temperature decreasing state, the temperature detection component in the cooling cavity and the temperature detection component in the tube cavity product send monitoring data to the control system at regular time, the control system generates a temperature-increasing function relation according to the temperature in the cooling cavity and the temperature in the tube cavity product at the same time point and generates a cooling characteristic curve of the tube cavity product, the abscissa of the cooling characteristic curve is the temperature in the cooling cavity, and the ordinate of the cooling characteristic curve is the temperature in the tube cavity product.
In step 400, the low temperature resistance characteristic of the tube cavity product is detected by comparing the slopes of the curve segments of the temperature-rise characteristic curves between two same temperatures of the tube cavity product for multiple times, and the high temperature resistance characteristic of the tube cavity product is detected by comparing the slopes of the curve segments of the temperature-fall characteristic curves between two same temperatures of the tube cavity product for multiple times.
This embodiment passes through integrated into one piece's heating cavity and cooling cavity, the realization is carried out cold and hot alternation test with the lumen product, and easy operation is convenient, need not to carry out experimental transfer, thereby experimental efficiency has been improved, the change law between the inside temperature of a lot of experimental lumen product and the external environment temperature, with the thermal curve of production cooling characteristic curve and intensification, through calculating the slope change of cooling characteristic curve and intensification thermal curve, confirm the heat resistance and the cold resistance of lumen product, thereby in order to realize the quality detection function to the lumen product.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
1. The utility model provides a temperature detection test device of simulation lumen product cecum which characterized in that includes:
the temperature detection component (1) is arranged inside the blind end of the tube cavity product and is used for monitoring the internal temperature of the blind end of the tube cavity product;
the temperature debugging test device (2) comprises a cooling cavity (21), a heating cavity (22) and a heat insulation mounting plate (23), wherein the cooling cavity (21) and the heating cavity (22) are integrally distributed, the heat insulation mounting plate (23) is arranged between the cooling cavity (21) and the heating cavity (22), and the tube cavity product is mounted on the heat insulation mounting plate (23) and overturns around the heat insulation mounting plate (23) to finish a heating and cooling debugging test;
the turning plate driving assembly (3) is arranged on the heat insulation mounting plate (23) and is used for driving the tube cavity product to complete 180-degree turning plate operation so as to drive the tube cavity product to change positions in the cooling cavity (21) and the heating cavity (22);
the control system (4) is electrically connected with the cooling cavity (21), the heating cavity (22), the turning plate driving assembly (3) and the temperature detection component (1) respectively, the control system (4) is used for regulating and controlling the heating work of the heating cavity (22) and the cooling work of the cooling cavity (21), the control system (4) receives an output signal of the temperature detection component (1) and converts the output signal into the temperature of the tube cavity product, and the control system (4) regulates and controls the turning plate driving assembly (3) according to the temperature of the tube cavity product to drive the tube cavity product to turn to the turning plate in the cooling cavity (21) and the heating cavity (22);
the control system (4) determines a temperature-rise relation between the temperature in the tube cavity product and the heating temperature of the temperature-rise cavity (22) by comparing the temperature of the tube cavity product with the heating temperature of the temperature-rise cavity (22), the control system (4) determines a cooling relational expression between the temperature in the tube cavity product and the cooling temperature of the cooling cavity (21) by comparing the temperature of the tube cavity product with the cooling temperature of the cooling cavity (21), the control system (4) respectively generates a plurality of temperature-rising relational expressions and temperature-reducing relational expressions by regulating and controlling the positions of the tube cavity products to be switched in the temperature-reducing cavity (21) and the temperature-rising cavity (22) for a plurality of times, and the control system (4) determines the temperature resistance stability of the tube cavity product according to the change of the temperature rising relational expression and the temperature reducing relational expression.
2. The test device for detecting the temperature of the blind end of the simulated tube cavity product according to claim 1, wherein: the control system (4) generates a temperature-rise characteristic curve of the tube cavity product based on the temperature-rise relational expression of each temperature-rise test, and the control system (4) generates a temperature-reduction characteristic curve of the tube cavity product based on the temperature-reduction relational expression of each temperature-reduction test;
the control system (4) detects the high-temperature stability of the tube cavity product according to the slope difference of the plurality of temperature-rising characteristic curves, and the control system (4) detects the low-temperature stability of the tube cavity product according to the slope difference of the plurality of temperature-reducing characteristic curves.
3. The test device for detecting the temperature of the blind end of the simulated tube cavity product according to claim 1, wherein: the heat insulation mounting plate (23) comprises two heat insulation cavity plates (231) fixedly mounted between the cooling cavity (21) and the heating cavity (22), a gap (232) for driving the pipe cavity product to linearly move is formed between the two heat insulation cavity plates (231), and the flap driving assembly (3) is arranged in the gap (232) between the two heat insulation cavity plates (231);
the upper surfaces of the two heat insulation cavity plates (231) are provided with movable heat insulation plates (233) for closing the gaps (232), the movable heat insulation plates (233) move to the sides of the heat insulation cavity plates (231) to release the gaps (232) between the two heat insulation cavity plates (231), and the movable heat insulation plates (233) move to the gaps (232) between the two heat insulation cavity plates (231) to cover the gaps (232);
a driving chain (234) is arranged in an inner interlayer of the heat insulation cavity plate (231), the turning plate driving assembly (3) is driven by the driving chain (234) to move along the gap (232), the turning plate driving assembly (3) moves to the outer end of the gap (232) to replace the cavity product, and the turning plate driving assembly (3) moves to the inner end of the gap (232) to carry out heating or cooling treatment;
the movable heat insulation plate (233) is used for covering the gap (232) with the heat dissipation hole, and the movable heat insulation plate (233) linearly moves along the upper surface of the heat insulation cavity plate (231) under the action of the linear motor.
4. The test device for detecting the temperature of the blind end of the simulated tube cavity product according to claim 3, wherein: the plate turning driving assembly (3) comprises a heat insulation moving base (31) which linearly moves along the heat insulation cavity plate (231), and a plate turning mechanism (32) arranged on the heat insulation moving base (31), wherein the plate turning mechanism (32) is used for driving the tube cavity product to turn between the cooling cavity (21) and the heating cavity (22);
the heat insulation movable base (31) comprises a wiring frame (311) and a heat insulation mounting bottom plate (314), wherein the wiring frame (311) is arranged on the heat insulation cavity plate (231) respectively, the heat insulation mounting bottom plate (314) is arranged inside the wiring frame (311), two outer surfaces of the wiring frame (311) are provided with extension straight rods (312) respectively, gears (313) are movably arranged on the extension straight rods (312), and a driving chain (234) drives the heat insulation movable base (31) to move linearly between the heat insulation cavity plates (231) through meshing with the gears (313).
5. The test device for detecting the temperature of the blind end of the simulated tube cavity product according to claim 4, wherein: the panel turnover mechanism (32) comprises rotating connecting rods (321) arranged on two parallel side surfaces of the heat insulation mounting base plate (314) and a circular panel (325) fixedly connected with the rotating connecting rods (321), a driving cylinder (322) is arranged on one side of the circular panel (325), a telescopic shaft of the driving cylinder (322) is connected with a push rod (323) movably connected with the circular panel (325), and a bearing pile (326) used for supporting the push rod (323) is arranged on the routing frame (311);
the lower end of the push rod (323) is hinged to the edge of the circular panel (325), the central position of the heat insulation mounting bottom plate (314) is fixedly clamped with the tube cavity product through a clamping claw, the driving cylinder (322) pushes the push rod (323) to move left and right to drive the circular panel (325) to rotate, and the circular panel (325) further drives the heat insulation mounting bottom plate (314) to turn over.
6. The test device for detecting the temperature of the blind end of the simulated tube cavity product according to claim 5, wherein: a first temperature sensor (5) is arranged in the cooling cavity (21), the first temperature sensor (5) is used for monitoring the environment temperature for cooling the lumen product, a second temperature sensor (6) is arranged in the warming cavity (22), and the second temperature sensor (6) is used for monitoring the environment temperature for warming the lumen product;
the control system (4) determines the cooling temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the first temperature sensor (5) and the output signal of the temperature detection part (1), and creates a cooling characteristic curve of the tube cavity product along with the cooling of the environmental temperature according to the cooling effect of the internal temperature of the tube cavity product along with the external environment;
the control system (4) determines the temperature rise temperature of the external environment and the internal temperature of the tube cavity product according to the output signal of the second temperature sensor (6) and the output signal of the temperature detection component (1), and creates a temperature rise characteristic curve of the tube cavity product rising with the temperature of the environment according to the temperature rise effect of the internal temperature of the tube cavity product with the external environment.
7. A temperature detection method suitable for the temperature detection device for simulating the dead end of a tubular cavity product according to any one of claims 1 to 6 is characterized by comprising the following steps:
step 100, installing a temperature detection component in a tube cavity product, and fixing the whole tube cavity product on a mounting point of a temperature debugging test device which moves to the side surface;
200, moving the tube cavity product to the central position of the temperature debugging test device, turning to a heating cavity of the temperature debugging test device to carry out heating operation, monitoring the internal temperature of the tube cavity product and generating a heating function relation between the internal temperature of the tube cavity product and the ambient temperature;
step 300, regulating and controlling the tube cavity product to turn to a cooling cavity of the temperature debugging test device for cooling treatment, monitoring the internal temperature of the tube cavity product and generating a cooling function relation between the internal temperature of the tube cavity product and the ambient temperature;
and 400, turning to the positions of the tube cavity products in the heating cavity and the cooling cavity for multiple times, and repeatedly testing the temperature characteristics of the tube cavity products in the cold and hot alternate environment.
8. The temperature detection method of the temperature detection test device for simulating the blind end of the tube cavity product according to claim 7, wherein the temperature debugging test device comprises a cooling cavity and a heating cavity, the tube cavity product is installed on a heat insulation installation plate between the cooling cavity and the heating cavity, the heat insulation installation plate moves in parallel with the side surface of the cooling cavity under the action of a driving component, the heat insulation installation plate moves to the edge of the cooling cavity to install the tube cavity product or replace the tube cavity product, and the heat insulation installation plate moves to the central position of the cooling cavity to perform cooling and heating tests.
9. The temperature detection method of the test device for simulating the temperature detection of the blind end of the tube cavity product according to claim 8, wherein the temperature of the warming cavity is in a constant temperature state or a temperature increasing state, the temperature detection component in the warming cavity and the temperature detection component in the tube cavity product periodically send monitoring data to the control system, the control system generates a warming function relation according to the temperature in the warming cavity and the temperature in the tube cavity product at the same time point and generates a warming characteristic curve of the tube cavity product, the abscissa of the warming characteristic curve is the temperature in the warming cavity, and the ordinate of the warming characteristic curve is the temperature in the road product;
the temperature of cooling cavity is the state of declining for constant temperature state or temperature, temperature detecting element in the cooling cavity and temperature detecting element in the lumen product regularly to control system sends monitoring data, control system is according to same time point the temperature in the cooling cavity and temperature in the lumen product generates intensification function relation, and generates the cooling characteristic curve of lumen product, the abscissa of cooling characteristic curve does the temperature in the cooling cavity, the ordinate of cooling characteristic curve does temperature in the lumen product.
10. The method according to claim 9, wherein in step 400, the low temperature resistance characteristic of the tube cavity product is detected by comparing slopes of a plurality of curve segments of the temperature rising characteristic curve between two same temperatures of the tube cavity product, and the high temperature resistance characteristic of the tube cavity product is detected by comparing slopes of a plurality of curve segments of the temperature falling characteristic curve between two same temperatures of the tube cavity product.
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| US20140153609A1 (en) * | 2012-11-30 | 2014-06-05 | Hefei Boe Optoelectronics Technology Co., Ltd. | High and low temperature test equipment |
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