CN111999082A - Evaporator drainage performance detection equipment and detection method - Google Patents
Evaporator drainage performance detection equipment and detection method Download PDFInfo
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- CN111999082A CN111999082A CN202010778682.4A CN202010778682A CN111999082A CN 111999082 A CN111999082 A CN 111999082A CN 202010778682 A CN202010778682 A CN 202010778682A CN 111999082 A CN111999082 A CN 111999082A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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 device for detecting the drainage performance of an evaporator, which comprises a detection system and a control system, wherein the detection system comprises a detection system body and a control system body; the detection system comprises a water tank and a drainage tool, the water tank is connected with the output end of the Z-axis linear lifting mechanism, and a cross beam is horizontally and fixedly arranged above the water tank; the drainage fixture comprises a tension pressure sensor, a fixing mechanism and a clamping mechanism from top to bottom, wherein the upper end of the tension pressure sensor is fixedly connected with the cross beam, the clamping mechanism is used for horizontally clamping the evaporator to be detected, and the lower part of the fixing mechanism is rotatably connected with the upper part of the clamping mechanism; the control system is used for monitoring the running state of the equipment and displaying the change of relevant parameters of the equipment in the working process. The invention can quantitatively detect the drainage performance of the evaporator before the evaporator is put into use, confirms the working application range of evaporators of different types, and is simple, convenient and quick; in addition, due to the use of the pull pressure sensor, the weight difference before and after the evaporator drains can be relatively accurately measured, and the detection result is accurate and reliable.
Description
Technical Field
The invention relates to the technical field of evaporators, in particular to equipment and a method for detecting the drainage performance of an evaporator.
Background
The evaporator is an important part in refrigeration, and low-temperature condensed liquid passes through the evaporator to exchange heat with external air, gasify and absorb heat, so that the refrigeration effect is achieved. In the heat exchange process of the evaporator and air, when the evaporator is in a wet working condition that the surface temperature is lower than the dew point temperature of the air, hot humid air flows through the evaporator to generate condensed water, and the condensed water is discharged to a sewer pipe through a water outlet; if the condensed water cannot be discharged from the water outlet in time, the excessive condensed water can overflow from the air outlet of the air conditioner; or if the height of the water outlet is too high, the condensed water flows to the lower part. In an automobile air conditioning system, the heat transfer and pressure drop performance of an evaporator can be influenced due to the fact that condensed water cannot be effectively discharged, and more importantly, serious problems that peculiar smell of the automobile air conditioning system is caused, aluminum fins are corroded, condensed water at an air outlet of an air conditioner is sprayed out, and the like can be caused. Therefore, the effective discharge of the condensed water generated under the wet condition of the evaporator is one of the design targets of the automobile air conditioner evaporator. That is, the inability of condensed water to be effectively discharged is an important performance of the evaporator. Therefore, it is necessary to develop an apparatus and method for precisely verifying the drainage performance of an evaporator.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an evaporator drainage performance detection device.
Another object of the present invention is to provide a method for detecting the drainage performance of an evaporator based on the above device.
The technical purpose of the invention is realized by the following technical scheme.
An evaporator drainage performance detection device comprises a detection system and a control system;
the detection system comprises a water tank and a drainage tool; the water tank is of an upper end opening structure and is used for containing water for detection, the water tank is connected with the output end of the Z-axis linear lifting mechanism, the Z-axis linear lifting mechanism is used for controlling the lifting of the water tank, and a cross beam is horizontally and fixedly arranged above the water tank; the drainage tool comprises a pulling pressure sensor, a fixing mechanism and a clamping mechanism, wherein the upper end of the pulling pressure sensor is fixedly connected with a cross beam, the lower end of the pulling pressure sensor is fixedly connected with the upper end of the fixing mechanism, the clamping mechanism is used for horizontally clamping an evaporator to be detected, the lower part of the fixing mechanism is rotatably connected with the upper part of the clamping mechanism, the clamping mechanism can rotate in a certain angle range on a vertical plane relative to the connection position of the clamping mechanism and the fixing mechanism, and the clamping mechanism is kept fixed after rotating to a set angle, so that the detection angle of the evaporator to be detected is adjusted in a certain range;
when the water tank is controlled by the Z-axis linear lifting mechanism to rise to the highest working position, the water tank can completely accommodate the evaporator to be detected at any angle within an adjustable range; when the water tank is controlled by the Z-axis linear lifting mechanism to be lowered to the lowest working position, the evaporator to be detected at any angle in the adjustable range can completely leave the water surface;
the control system is used for monitoring the running state of the equipment and displaying the change of relevant parameters of the equipment in the working process; the control system is connected with the Z-axis linear lifting mechanism and is used for controlling the working state of the Z-axis linear lifting mechanism; the control system is connected with the drainage tool and used for controlling the rotation angle of the clamping mechanism and receiving data information of the tension and pressure sensor.
In the device, the clamping mechanism comprises a second connecting plate and an inverted U-shaped clamping plate which are vertically arranged from top to bottom in sequence, the lower end face of the second connecting plate is fixedly connected with the upper end face of the inverted U-shaped clamping plate, and the upper part of the second connecting plate is rotatably connected with the lower part of the fixing mechanism; and a threaded hole and an adjusting screw rod which are matched with each other are horizontally arranged on one side plate of the inverted U-shaped clamping plate and are used for reducing the distance between the inner end surface of the adjusting screw rod and the other side plate of the inverted U-shaped clamping plate by screwing the adjusting screw rod inwards, so that the evaporator to be detected is clamped.
Furthermore, a fixed disc is arranged on the inner end face of the adjusting screw rod, the diameter of the fixed disc is larger than that of the adjusting screw rod, and the inner end face of the fixed disc is parallel to the side plate of the inverted U-shaped clamping plate and used for increasing the clamping area.
In a specific embodiment of the invention, the fixed disk is a polytetrafluoroethylene fixed disk.
In the device, the lower part of the fixing mechanism is provided with two first connecting plates which are vertically and symmetrically fixedly arranged, and the two first connecting plates are respectively provided with coaxial through holes; the drainage frock still includes rotation axis, gear motor, shaft coupling, "L" shape fixed plate, the rotation axis runs through the through-hole on two first connecting plates and rotates with the through-hole to be connected, the second connecting plate on clamping mechanism upper portion set up between two first connecting plates and with rotation axis fixed connection, the vertical portion upper end and the crossbeam fixed connection of "L" shape fixed plate, gear motor fixed mounting is on the horizontal part upper surface of "L" shape fixed plate, gear motor's output shaft passes through shaft coupling and rotation axis fixed connection for realize clamping mechanism certain angle within range internal rotation on vertical plane, and keep fixed after rotatory to the settlement angle.
Furthermore, the clamping mechanism can rotate within an included angle of 0-90 degrees with the vertical direction relative to the connecting position of the clamping mechanism and the fixing mechanism.
In a specific embodiment of the present invention, the cross beam is an aluminum profile.
In the above apparatus, the Z-axis linear lift mechanism includes a pair of cylinders, a pair of mounts; the pair of mounting frames are vertically and symmetrically fixedly arranged, each mounting frame comprises a pair of vertical rods, a transverse rod and a first mounting plate, the transverse rod is arranged between the pair of vertical rods and is fixedly connected with the lower parts of the pair of vertical rods respectively, the first mounting plate is horizontally arranged, the lower surface of the first mounting plate is fixedly connected with the upper end surfaces of the pair of vertical rods, and a first through hole in the vertical direction is formed in the central position of the first mounting plate; the pair of cylinders are vertically arranged between the pair of vertical rods, the upper end and the lower end of each cylinder are fixedly connected with the transverse rod and the first mounting plate respectively, and the piston rods of the cylinders penetrate through the first through holes and are fixedly connected with the second mounting plates which are horizontally fixedly arranged on two vertical sides of the water tank and are parallel to each other respectively.
Further, the both ends of first mounting panel are provided with the second through-hole of vertical direction respectively, be provided with linear bearing in the second through-hole, the lower surface at the both ends of second mounting panel fixed respectively be provided with linear bearing complex guide bar, guide bar and linear bearing mutually support for the in-process that goes up and down at cylinder drive water tank leads.
Furthermore, the Z-axis linear lifting mechanism also comprises an air cylinder power control mechanism, the air cylinder power control mechanism comprises an air source, a hand slide valve, a pressure regulating filter, an electromagnetic valve and a one-way throttle valve, and the air source, the hand slide valve, the pressure regulating filter, the electromagnetic valve, the one-way throttle valve and the air cylinder are sequentially connected; the air source is a compressed air source and is used for providing power; the hand slide valve is used for controlling the on-off of an air source; the pressure regulating filter is used for regulating pressure and filtering impurities; the electromagnetic valve is used for controlling the piston rod of the air cylinder to move up and down so as to drive the water tank to lift; the one-way throttle valve is used for controlling the flow of an air source, so that the up-and-down moving process of the piston rod of the air cylinder is stably carried out at a constant speed, and the up-and-down moving process of the water tank is stably carried out at a constant speed.
Further, the length of the evaporator to be detected subtracted from the height of the water tank is equal to or greater than 100mm, the width of the evaporator to be detected subtracted from the width of the water tank is equal to or greater than 100mm, and the length of the evaporator to be detected subtracted from the length of the water tank and the length of the clamping mechanism are equal to or greater than 200 mm.
The evaporator drainage performance detection method based on the equipment comprises the following steps:
step 1: adding a certain amount of water into the water tank at the lowest working position, horizontally clamping the evaporator to be detected on the clamping mechanism, setting the detection angle of the evaporator through the control system, and rotating the clamping mechanism to the set angle;
in step 1, the detection angle of the evaporator is set to 0 ° or 50 °.
Step 2: the Z-axis linear lifting mechanism drives the water tank to rise until the evaporator to be detected is completely immersed in water; after the evaporator to be detected is soaked in water for 2-3 min, the Z-axis linear lifting mechanism drives the water tank to descend at a certain speed until the evaporator to be detected completely leaves the water surface, and the weight value fed back by the pull pressure sensor at the moment is recorded as an initial weight M0；
And step 3: according to the detection standard of the drainage performance of the evaporator, after the evaporator to be detected leaves the water surface for a certain time, the evaporator is pulled at the momentThe weight value fed back by the pressure sensor is recorded as the weight M after water drainage1Initial weight M0And the weight M after drainage1The difference value is the water discharge M of the evaporator, and then the water discharge performance of the evaporator is judged to be qualified or not by comparing with the industrial standard;
in step 3, when the detection angle of the evaporator is 0 degree, and the evaporator to be detected leaves the water surface for 30min, recording the weight value fed back by the pull pressure sensor at the moment as the weight M after water drainage1；
In step 3, when the detection angle of the evaporator is 50 degrees, and the evaporator to be detected leaves the water surface for 3min, recording the weight value fed back by the pull pressure sensor at the moment as the weight M after water drainage1。
In the method for detecting the drainage performance of the evaporator, when the detection angle of the evaporator is not 0 degrees, the weight value fed back by the pulling pressure sensor is compensated according to the error value.
Compared with the prior art, the evaporator drainage performance detection equipment can quantitatively detect the drainage performance of the evaporator before the evaporator is put into use, and the working effect which can be achieved by the evaporator can be predicted according to the detection result, so that the working application range of evaporators of different models can be determined, and the whole process is very simple, convenient and quick; in addition, due to the use of the pull pressure sensor, the weight difference before and after the evaporator drains can be relatively accurately measured, so that the detection result is accurate and reliable.
Drawings
FIG. 1 is a schematic view of an evaporator water discharge performance detecting apparatus according to the present invention;
FIG. 2 is a partial schematic view of a drainage fixture of the evaporator drainage performance detection apparatus of the present invention;
FIG. 3 is a partial schematic view of a clamping mechanism of the evaporator drainage performance detection apparatus of the present invention;
FIG. 4 is a partial schematic view of a water tank and a drain fixture of the evaporator drain performance detection apparatus of the present invention;
FIG. 5 is a schematic diagram of the power control of the Z-axis linear elevating mechanism of the evaporator drainage performance detection apparatus of the present invention;
reference numerals:
1-a control system, 2-a water tank, 3-a drainage tool, 5-a cross beam, 6-a tension pressure sensor, 7-a fixing mechanism, 8-a clamping mechanism, 9-a first connecting plate, 10-a second connecting plate, 11-a cylindrical bulge, 12-a rotating shaft, 13-a speed reducing motor, 14-a coupler, 15- "L" -shaped fixing plate, 16-an air cylinder, 17-a vertical rod, 18-a cross rod, 19-a first mounting plate, 20-a first through hole, 21-a second mounting plate, 22-a second through hole, 23-a guide rod, 24-an air source, 25-a hand slide valve, 26-a pressure regulating filter, 27-an electromagnetic valve and 28-a one-way throttle valve; 29-inverted U-shaped clamping plate, 30-adjusting screw rod and 31-fixed plate.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The information of the relevant components used in the embodiment of the invention is specifically as follows:
| name (R) | Model number | Manufacturer of the product |
| Pressure regulating filter | AFR2000 | Yade guest |
| Two-position five-way electromagnetic valve | 4V210-08B | Yade guest |
| One-way throttle valve | ASP530F-03-08S | Yade guest |
| Cylinder | SC63-500-FB | Yade guest |
| Hand slide valve | HSV08 | Yade guest |
| Tension and pressure sensor | CKY-1S | Beijing Zhonghangke instrument measurement and control technology Limited |
| Industrial control machine | IPC-610L | Hua-Tu-Tech technology |
| PLC | CP1E-NA20DT-D | Ohm |
| Display device | ||
| 17 inch (17 cun) | Jia Wei Shi (eyesight improving) | |
| Electric motor | 86HB156 | Sincerity learning electric appliance |
Example 1
As shown in fig. 1 to 4, an evaporator drainage performance detection apparatus of the present invention includes a detection system and a control system 1;
the detection system comprises a water tank 2 and a drainage tool 3; the water tank 2 is of an upper end opening structure and is used for containing water for detection, the water tank 2 is connected with the output end of the Z-axis linear lifting mechanism, the Z-axis linear lifting mechanism is used for controlling the lifting of the water tank 2, and a cross beam 5 is horizontally and fixedly arranged above the water tank 2; the drainage fixture 3 comprises a pulling pressure sensor 6, a fixing mechanism 7 and a clamping mechanism 8, wherein the upper end of the pulling pressure sensor 6 is fixedly connected with the cross beam 5, the lower end of the pulling pressure sensor 6 is fixedly connected with the upper end of the fixing mechanism 7, the clamping mechanism 8 is used for horizontally clamping the evaporator to be detected, the lower part of the fixing mechanism 7 is rotatably connected with the upper part of the clamping mechanism 8, the clamping mechanism 8 can rotate in a certain angle range on a vertical plane relative to the connection position of the clamping mechanism 8 and the fixing mechanism 7, and the clamping mechanism is fixed after rotating to a set angle, so that the detection angle of the evaporator to be detected is adjusted in a certain range;
when the water tank 2 is controlled by the Z-axis linear lifting mechanism to rise to the highest working position, the water tank 2 can completely accommodate the evaporator to be detected at any angle within an adjustable range; when the water tank 2 is controlled by the Z-axis linear lifting mechanism to be lowered to the lowest working position, the evaporator to be detected at any angle in the adjustable range can completely leave the water surface;
the control system 1 is used for monitoring the running state of the equipment and displaying the change of relevant parameters of the equipment in the working process; the control system 1 is connected with the Z-axis linear lifting mechanism and is used for controlling the working state of the Z-axis linear lifting mechanism; the control system 1 is connected with the drainage tool 3 and used for controlling the rotation angle of the clamping mechanism 8 and receiving data information of the tension and pressure sensor 6.
The evaporator drainage performance detection equipment adopts PLC full-automatic control, and the control system 1 comprises a computer, a PLC, a collection system and related electrical elements.
The evaporator drainage performance detection method based on the equipment comprises the following steps:
step 1: adding a certain amount of water into the water tank 2 at the lowest working position, horizontally clamping the evaporator to be detected on the clamping mechanism 8, then setting the detection angle of the evaporator through the control system 1, and rotating the clamping mechanism 8 to the set angle, wherein the detection angle of the evaporator is set to be 0 degree or 50 degrees;
step 2: the Z-axis linear lifting mechanism drives the water tank 2 to ascend until the evaporator to be detected is completely immersed in water; after the evaporator to be detected is soaked in water for 2-3 min, the Z-axis linear lifting mechanism drives the water tank 2 to descend at a certain speed until the evaporator to be detected completely leaves the water surface, and the weight value fed back by the pull pressure sensor 6 at the moment is recorded as an initial weight M0(ii) a Wherein the time from the time that the Z-axis linear lifting mechanism drives the water tank 2 to descend to the time that the evaporator to be detected completely leaves the water surface is not more than 5 s;
and step 3: according to the detection standard of the drainage performance of the evaporator, after the evaporator to be detected leaves the water surface for a certain time, the weight value fed back by the pull pressure sensor 6 at the moment is recorded as the weight M after drainage1Initial weight M0And the weight M after drainage1The difference value is the water discharge M of the evaporator, and then the water discharge performance of the evaporator is judged to be qualified or not by comparing with the industrial standard; wherein, when the detection angle of the evaporator is 0 degree, after the evaporator to be detected leaves the water surface for 30min, the weight value fed back by the pull pressure sensor 6 at the moment is recorded as the weight M after water drainage1(ii) a When the detection angle of the evaporator is 50 degrees, after the evaporator to be detected leaves the water surface for 3min, recording the weight value fed back by the pull pressure sensor 6 at the moment as the weight M after water drainage1。
In the above method for detecting the drainage performance of the evaporator, when the detection angle of the evaporator is not 0 °, the weight value fed back by the pull pressure sensor 6 is compensated according to the error value, and the corresponding relationship between the detection angle and the error value is shown in the following table:
| angle of |
0° | 10° | 20° | 30° | 40° | 50° | 60° | 70° | 80° | 90° |
| Error (g) | 0 (Standard) | -2 | -3 | -4 | 5 | -6 | -7 | -8 | -9 | -10 |
Compared with the prior art, the evaporator drainage performance detection equipment can quantitatively detect the drainage performance of the evaporator before the evaporator is put into use, and the working effect which can be achieved by the evaporator can be predicted according to the detection result, so that the working application range of evaporators of different models can be determined, and the whole process is very simple, convenient and quick; in addition, due to the use of the pull pressure sensor 6, the weight difference before and after the drainage of the evaporator can be relatively accurately measured, so that the detection result is accurate and reliable.
Example 2
As shown in fig. 2 and 3, the present embodiment is a further description of a drainage fixture 3 of a detection system based on embodiment 1.
The clamping mechanism 8 comprises a second connecting plate 10 and an inverted U-shaped clamping plate 29 which are vertically arranged from top to bottom in sequence, the lower end face of the second connecting plate 10 is fixedly connected with the upper end face of the inverted U-shaped clamping plate 29, and the upper part of the second connecting plate is rotatably connected with the lower part of the fixing mechanism; a threaded hole and an adjusting screw 30 which are matched with each other are horizontally arranged on one side plate of the inverted U-shaped clamping plate 29, and the threaded hole and the adjusting screw 30 are used for reducing the distance between the inner end surface of the adjusting screw 30 and the other side plate of the inverted U-shaped clamping plate 29 by screwing the adjusting screw 30 inwards, so that the evaporator to be detected is clamped.
The inner end face of the adjusting screw 30 is provided with a polytetrafluoroethylene fixed disc, the diameter of the fixed disc 31 is larger than that of the adjusting screw 30, and the inner end face of the fixed disc 31 is parallel to the side plate of the inverted U-shaped clamping plate 29 and used for increasing the clamping area.
The lower part of the fixing mechanism 7 is provided with two first connecting plates 9 which are vertically and symmetrically fixedly arranged, coaxial through holes are respectively arranged on the two first connecting plates 9, a second connecting plate 10 on the upper part of the clamping mechanism 8 is arranged between the two first connecting plates 9, two sides of the second connecting plate 10 are respectively provided with a cylindrical bulge 11 matched with the through holes, and the cylindrical bulge 11 is rotatably connected with the through holes; the drainage tool 3 further comprises a rotating shaft 12, a speed reducing motor 13, a coupler 14 and an L-shaped fixing plate 15, the rotating shaft 12 penetrates through the second connecting plate 10 along the axes of the two cylindrical protrusions 11 and is fixedly connected with the second connecting plate, the upper end of the vertical portion of the L-shaped fixing plate 15 is fixedly connected with the cross beam 5, the speed reducing motor 13 is fixedly installed on the upper surface of the horizontal portion of the L-shaped fixing plate 15, an output shaft of the speed reducing motor 13 is fixedly connected with the rotating shaft 12 through the coupler 14, and the speed reducing motor 13 is programmed through software, so that the clamping mechanism 8 can rotate within a certain angle range on a vertical plane and can be kept fixed after rotating to a set angle.
The clamping mechanism 8 can rotate in a range of forming an included angle of 0-90 degrees with the vertical direction relative to the connecting position of the clamping mechanism and the fixing mechanism 7.
The beam 5 is an aluminum profile.
Example 3
As shown in fig. 4 and 5, the present embodiment is a further description of the water tank 2 of the detection system on the basis of embodiment 1 or embodiment 2.
The Z-axis linear lifting mechanism comprises a pair of air cylinders 16 and a pair of mounting frames; the pair of mounting frames are vertically and symmetrically fixedly arranged, each mounting frame comprises a pair of vertical rods 17, a cross rod 18 and a first mounting plate 19, the cross rod 18 is arranged between the pair of vertical rods 17 and is respectively and fixedly connected with the lower parts of the pair of vertical rods 17, the first mounting plate 19 is horizontally arranged, the lower surface of the first mounting plate 19 is simultaneously and fixedly connected with the upper end surfaces of the pair of vertical rods 17, and a first through hole 20 in the vertical direction is formed in the center of the first mounting plate 19; the pair of cylinders 16 are vertically arranged between the pair of vertical rods 17, the upper end and the lower end of each cylinder 16 are fixedly connected with the cross rod 18 and the first mounting plate 19 respectively, and the piston rods of the cylinders 16 penetrate through the first through holes 20 and are fixedly connected with the second mounting plates 21 which are horizontally and fixedly arranged on two vertical sides of the water tank 2 and are parallel to each other respectively.
The both ends of first mounting panel 19 are provided with the second through-hole 22 of vertical direction respectively, be provided with linear bearing in the second through-hole 22, the lower surface at the both ends of second mounting panel 21 is fixed respectively be provided with linear bearing complex guide bar 23, guide bar 23 and linear bearing mutually support for the in-process that goes up and down at cylinder 16 drive water tank 2 leads.
The Z-axis linear lifting mechanism further comprises an air cylinder power control mechanism, the air cylinder power control mechanism comprises an air source 24, a hand slide valve 25, a pressure regulating filter 26, an electromagnetic valve 27 and a one-way throttle valve 28, and the air source 24, the hand slide valve 25, the pressure regulating filter 26, the electromagnetic valve 27, the one-way throttle valve 28 and the air cylinder 16 are sequentially connected; the gas source 24 is a compressed gas source 24 and is used for providing power; the hand slide valve 25 is used for controlling the on-off of the air source 24; the pressure regulating filter 26 is used for regulating pressure and filtering impurities; the electromagnetic valve 27 is used for controlling the up-and-down movement of the piston rod of the air cylinder 16, so as to drive the water tank 2 to lift; the one-way throttle valve 28 is used for controlling the flow of the air source 24, so that the up-and-down moving process of the piston rod of the air cylinder 16 is stably carried out at a constant speed, and the up-and-down moving process of the water tank 2 is stably carried out at a constant speed.
The length of the evaporator to be detected subtracted from the height of the water tank 2 is equal to or more than 100mm, the width of the evaporator to be detected subtracted from the width of the water tank 2 is equal to or more than 100mm, and the length of the evaporator to be detected subtracted from the length of the water tank 2 and the length of the clamping mechanism 8 are equal to or more than 200 mm.
Although the methods and techniques of the present invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and/or rearrangements of the methods and techniques described herein may be made without departing from the spirit and scope of the invention. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and content of the invention.
Claims (10)
1. The utility model provides an evaporimeter drainage performance check out test set which characterized in that: comprises a detection system and a control system (1);
the detection system comprises a water tank (2) and a drainage tool (3); the water tank (2) is of an upper end opening structure and is used for containing water for detection, the water tank (2) is connected with the output end of the Z-axis linear lifting mechanism, the Z-axis linear lifting mechanism is used for controlling the lifting of the water tank (2), and a cross beam (5) is horizontally and fixedly arranged above the water tank (2); the drainage tool (3) comprises a tension pressure sensor (6), a fixing mechanism (7) and a clamping mechanism (8), the upper end of the tension pressure sensor (6) is fixedly connected with the cross beam (5), the lower end of the tension pressure sensor (6) is fixedly connected with the upper end of the fixing mechanism (7), the clamping mechanism (8) is used for horizontally clamping the evaporator to be detected, the lower portion of the fixing mechanism (7) is rotatably connected with the upper portion of the clamping mechanism (8), the clamping mechanism (8) can rotate in a certain angle range on a vertical plane relative to the connection position of the clamping mechanism (7) and the fixing mechanism (7), and keeps fixed after rotating to a set angle, so that the detection angle of the evaporator to be detected is adjusted in a certain range;
when the water tank (2) is controlled by the Z-axis linear lifting mechanism to rise to the highest working position, the water tank (2) can completely accommodate the evaporator to be detected at any angle within an adjustable range; when the water tank (2) is controlled by the Z-axis linear lifting mechanism to be lowered to the lowest working position, the evaporator to be detected at any angle in the adjustable range can completely leave the water surface;
the control system (1) is used for monitoring the running state of the equipment and displaying the change of relevant parameters of the equipment in the working process; the control system (1) is connected with the Z-axis linear lifting mechanism and is used for controlling the working state of the Z-axis linear lifting mechanism; the control system (1) is connected with the drainage tool (3) and used for controlling the rotating angle of the clamping mechanism (8) and receiving data information of the tension and pressure sensor (6).
2. The evaporator drainage performance detection apparatus according to claim 1, wherein: the clamping mechanism (8) comprises a second connecting plate (10) and an inverted U-shaped clamping plate (29) which are vertically arranged from top to bottom in sequence, the lower end face of the second connecting plate (10) is fixedly connected with the upper end face of the inverted U-shaped clamping plate (29), and the upper portion of the second connecting plate (10) is rotatably connected with the lower portion of the fixing mechanism (7); and a threaded hole and an adjusting screw rod (30) which are matched with each other are horizontally arranged on one side plate of the inverted U-shaped clamping plate (29), and the adjusting screw rod (30) is screwed inwards to reduce the distance between the inner end surface of the adjusting screw rod (30) and the other side plate of the inverted U-shaped clamping plate (29), so that the evaporator to be detected is clamped.
3. The evaporator water discharge performance detection apparatus according to claim 2, wherein: the inner end face of the adjusting screw rod (30) is provided with a fixed disc (31), the diameter of the fixed disc (31) is larger than that of the adjusting screw rod (30), and the inner end face of the fixed disc (31) is parallel to the side plate of the inverted U-shaped clamping plate (29) and used for increasing the clamping area.
4. The evaporator water discharge performance detection apparatus according to claim 2, wherein: the lower part of the fixing mechanism (7) is provided with two first connecting plates (9) which are vertically and symmetrically fixedly arranged, and the two first connecting plates (9) are respectively provided with coaxial through holes; the drainage tool (3) also comprises a rotating shaft (12), a speed reducing motor (13), a coupler (14) and an L-shaped fixing plate (15), the rotating shaft (12) penetrates through the through holes on the two first connecting plates (9) and is rotatably connected with the through holes, a second connecting plate (10) at the upper part of the clamping mechanism (8) is arranged between the two first connecting plates (9) and is fixedly connected with the rotating shaft (12), the upper end of the vertical part of the L-shaped fixing plate (15) is fixedly connected with the cross beam (5), the speed reducing motor (13) is fixedly arranged on the upper surface of the horizontal part of the L-shaped fixing plate (15), the output shaft of the speed reducing motor (13) is fixedly connected with the rotating shaft (12) through a coupling (14), the clamping mechanism (8) is used for rotating within a certain angle range on a vertical plane and keeping fixed after rotating to a set angle.
5. The evaporator drainage performance detection apparatus according to claim 1, wherein: the Z-axis linear lifting mechanism comprises a pair of air cylinders (16) and a pair of mounting frames; the pair of mounting frames are vertically and symmetrically fixedly arranged, each mounting frame comprises a pair of vertical rods (17), a cross rod (18) and a first mounting plate (19), the cross rod (18) is arranged between the pair of vertical rods (17) and is fixedly connected with the lower parts of the pair of vertical rods (17), the first mounting plate (19) is horizontally arranged, the lower surface of the first mounting plate (19) is fixedly connected with the upper end faces of the pair of vertical rods (17), and a first through hole (20) in the vertical direction is formed in the center of the first mounting plate (19); the pair of air cylinders (16) are vertically arranged between the pair of vertical rods (17), the upper end and the lower end of each air cylinder (16) are fixedly connected with the transverse rod (18) and the first mounting plate (19) respectively, and piston rods of the air cylinders (16) penetrate through the first through holes (20) and are fixedly connected with the second mounting plates (21) which are horizontally fixedly arranged on two vertical sides of the water tank (2) and are parallel to each other respectively.
6. The evaporator water discharge performance detection apparatus according to claim 5, wherein: the both ends of first mounting panel (19) are provided with second through-hole (22) of vertical direction respectively, be provided with linear bearing in second through-hole (22), the lower surface at the both ends of second mounting panel (21) is fixed respectively be provided with linear bearing complex guide bar (23), guide bar (23) and linear bearing mutually support for the in-process that goes up and down at cylinder (16) driving water tank (2) leads.
7. The evaporator water discharge performance detection apparatus according to claim 5, wherein: the Z-axis linear lifting mechanism further comprises a cylinder (16) power control mechanism, the cylinder (16) power control mechanism comprises an air source (24), a hand slide valve (25), a pressure regulating filter (26), an electromagnetic valve (27) and a one-way throttle valve (28), and the air source (24), the hand slide valve (25), the pressure regulating filter (26), the electromagnetic valve (27), the one-way throttle valve (28) and the cylinder (16) are sequentially connected; the air source (24) is a compressed air source (24) for providing power; the hand slide valve (25) is used for controlling the on-off of the air source (24); the pressure regulating filter (26) is used for regulating pressure and filtering impurities; the electromagnetic valve (27) is used for controlling the piston rod of the air cylinder (16) to move up and down so as to drive the water tank (2) to lift; the one-way throttle valve (28) is used for controlling the flow of the air source (24) to ensure that the up-and-down moving process of the piston rod of the air cylinder (16) is stably carried out at a constant speed, thereby ensuring that the up-and-down moving process of the water tank (2) is stably carried out at a constant speed.
8. The evaporator drainage performance detection apparatus according to claim 1, wherein: the clamping mechanism (8) can rotate in a range of forming an included angle of 0-90 degrees with the vertical direction relative to the connecting position of the clamping mechanism and the fixing mechanism (7); the length of the evaporator to be detected subtracted from the height of the water tank (2) is equal to or more than 100mm, the width of the evaporator to be detected subtracted from the width of the water tank (2) is equal to or more than 100mm, and the length of the evaporator to be detected subtracted from the length of the water tank (2) and the length of the clamping mechanism (8) are equal to or more than 200 mm.
9. The method for detecting the drainage performance of the evaporator based on the equipment of any one of claims 1 to 8, is characterized by comprising the following steps:
step 1: adding a certain amount of water into the water tank (2) at the lowest working position, horizontally clamping the evaporator to be detected on a clamping mechanism (8), then setting the detection angle of the evaporator through a control system (1), and rotating the clamping mechanism (8) to the set angle;
step 2: the Z-axis linear lifting mechanism drives the water tank (2) to ascend until the evaporator to be detected is completely immersed in water; after the evaporator to be detected is soaked in water for 2-3 min, the Z-axis linear lifting mechanism drives the water tank (2) to descend at a certain speed until the evaporator to be detected completely leaves the water surface, and the weight value fed back by the pull pressure sensor (6) at the moment is recorded as an initial weight M0；
And step 3: according to the detection standard of the drainage performance of the evaporator, after the evaporator to be detected leaves the water surface for a certain time, the weight value fed back by the pull pressure sensor (6) at the moment is recorded as the weight M after drainage1Initial weight M0And the weight M after drainage1The difference value is the water discharge M of the evaporator, and then the water discharge performance of the evaporator is judged to be qualified or not by comparing with the industrial standard.
10. The evaporator drainage performance detection method according to claim 9, characterized in that: in step 1, setting the detection angle of the evaporator to be 0 degree or 50 degrees; in step 3, when the detection angle of the evaporator is 0 degree, after the evaporator to be detected leaves the water surface for 30min, the weight value fed back by the pull pressure sensor (6) at the moment is recorded as the weight M after water drainage1(ii) a When the detection angle of the evaporator is 50 degrees, after the evaporator to be detected leaves the water surface for 3min, recording the weight value fed back by the pull pressure sensor (6) at the moment as the weight M after water drainage1(ii) a When the detection angle of the evaporator is not 0 degrees, the weight value fed back by the pulling pressure sensor (6) is compensated according to the error value.
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| CN202010778682.4A CN111999082A (en) | 2020-08-05 | 2020-08-05 | Evaporator drainage performance detection equipment and detection method |
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Application publication date: 20201127 |