阅读说明：本技术 一种中空玻璃露点检测仪 (hollow glass dew point detector ) 是由 贾俊平 吴基 王进勇 胡盼 陈伟 蒋敏 于 2019-11-22 设计创作，主要内容包括：本发明涉及一种中空玻璃露点检测仪,包括检测台,检测台的上侧固接有支撑架,支撑架的中部接有伸缩缸,伸缩缸的下端上设置有检测杯,检测杯的上端一侧固接有酒精输液管,检测杯还竖直插设有温度检测仪以及低温冷冻探针；支撑架的两侧还均竖直设置有观察管一,观察管一的上端均固接有水平的观察管二,观察管一与观察管二的弯折部均倾斜固接有的换向镜片；底座对应检测台的两侧还分别固接有上料台以及下料台,底座对应上料台远离检测台的一侧还设置有推送机构。本发明具有操作简单,使用方便,劳动强度低的效果。(The invention relates to an hollow glass dew point detector which comprises a detection table, wherein a support frame is fixedly connected to the upper side of the detection table, a telescopic cylinder is connected to the middle of the support frame, a detection cup is arranged at the lower end of the telescopic cylinder, an alcohol infusion tube is fixedly connected to the upper end side of the detection cup, a temperature detector and a low-temperature freezing probe are vertically inserted into the detection cup, observation tubes are vertically arranged on two sides of the support frame, a horizontal observation tube II is fixedly connected to the upper end of the observation tube , reversing lenses are fixedly connected to the bent portions of the observation tube and the observation tube II in an inclined mode, a feeding table and a discharging table are respectively and fixedly connected to two sides of a base corresponding to the detection table, and a pushing mechanism is arranged on the side of the base corresponding to side of the feeding table, which is far away from the.)

The hollow glass dew point detector is characterized by comprising a detection table (1), a support frame (11) is fixedly connected to the upper side of the detection table (1), a telescopic cylinder (13) is connected to the middle of the support frame (11), a detection cup (131) is arranged at the lower end of the telescopic cylinder (13), an alcohol infusion tube (134) is fixedly connected to the upper end side of the detection cup (131), a temperature detector (135) and a low-temperature freezing probe (136) are vertically inserted into the detection cup (131), observation tubes (17) with lower ends inclined towards the middle of the detection table (1) are vertically arranged on the two sides of the support frame (11), observation tubes (171) which are horizontally arranged and extend out of the support frame (11) side are fixedly connected to the upper end of each observation tube (17), bent portions of the observation tubes () and the observation tubes (171) are fixedly connected to a detection table (172) with a material pushing mechanism, wherein the detection table (1) is fixedly connected to the upper side of the detection table (3), the detection table (1), the detection table (3) is fixedly connected to the detection table (1), and the detection table (3) is capable of pushing the glass to the detection table (1), and the detection table (64).

2. The kinds of hollow glass dew point detector of claim 1, wherein the support frame (11) is further vertically connected with an upper support frame (14) in a sliding manner, the upper support frame (14) is further connected with an upper scraper (142) capable of reciprocating in a sliding manner along the width direction of the upper support frame (14), and the support frame (11) is further provided with a lifting mechanism capable of driving the upper support frame (14) to descend to abut against the upper side of the glass by the upper scraper (142).

3. The kinds of hollow glass dew point detector of claim 2, wherein the lower side of the detection platform (1) is vertically connected with a lower support frame (15) in a sliding manner, the length direction of the lower support frame (15) is the same as the length direction of the upper support frame (14), a lower scraping plate (152) capable of reciprocating is connected in the lower support frame (15) in a sliding manner along the width direction of the lower support frame (15), and the lifting mechanism can also drive the lower support frame (15) to ascend until the upper side of the lower scraping plate (152) abuts against the lower side of the glass.

4. The kinds of hollow glass dew point detector of claim 1, wherein a liquid delivery tube (12) is further secured to a lower side of the support frame (11), an alcohol spray head (121) is further secured to a lower end of the liquid delivery tube (12), a liquid storage tank (122) is further secured to an upper side of the support frame (11), and a control valve is secured between the liquid delivery tube (12) and the liquid storage tank (122).

5. The kinds of hollow glass dew point detector of claim 2, wherein the upper scraper (142) is fixedly connected with an air pipe, the upper support frame (11) is fixedly connected with an air pump (145) communicated with the air pipe, and the lower side of the air pipe (144) is provided with air injection holes (1441) corresponding to the two sides of the scraper.

6. The kinds of hollow glass dew point detector of claim 1, wherein the anti-fog film is adhered to the commutating mirror surface.

7. The kinds of hollow glass dew point detector of claim 1, wherein the feeding table (2) and the discharging table (3) are respectively connected with a plurality of unpowered rollers (4) in a rotating manner, and the plurality of unpowered rollers (4) of the feeding table (2) and the discharging table (3) are respectively sleeved with a unpowered belt (41) with the rotating direction being the same as the glass conveying direction.

8. The kinds of hollow glass dew point detector of claim 1, wherein a striker plate (31) is fixed to the side of the blanking table (3) away from the detection body.

9. The kinds of hollow glass dew point detector of claim 1, wherein a limit plate (23) is further fixed to the side of the feeding table (2).

Technical Field

The invention relates to the technical field of hollow glass detection, in particular to hollow glass dew point detectors.

Background

The hollow glass is kinds of good heat insulation, sound insulation, beautiful and applicable, and can reduce the dead weight of the building, it is with two (or three) pieces of glass, use the high-strength high-airtightness compound binder, bond the glass sheet with aluminum alloy frame containing drying agent, high-performance sound insulation and heat insulation glass made, various performance of the hollow glass is superior to ordinary double glazing, therefore has received the recognition of all countries in the world, the hollow glass is to support two or more pieces of glass evenly and separate and bond and seal peripherally effectively, make the glass interlaminar glass products with dry gas space, its main material is glass, warm edge spacer, angle bolt, butyl rubber, polysulfide glue, drying agent, the hollow glass is parameters that must be related during the production of the hollow glass, it means pieces of temperature of dew condensation inside the hollow glass, for the hollow glass, the dew point should be lower, therefore in order to guarantee the hollow glass is in normal use, the inside does not have dew, after producing the hollow glass, must use the detection of the hollow glass.

When the existing hollow glass is detected, is that firstly the glass to be detected is put flat, a beaker is used as a dew point detection instrument, a plurality of dry ice is put into the beaker, then the beaker is placed on the upper side of the middle part of the glass, the reading of a thermometer is seen, the dry ice is continuously added until the temperature reaches the temperature to be detected, the beaker is kept still for 5 minutes after the temperature reaches, the beaker is moved away, layers of misty objects are not on the inner surface of the glass, the dew point of the hollow glass is judged to be unqualified according to the phenomenon, if the misty objects exist, the dew point is unqualified, the hollow glass is proved to be not dried enough, or a drying agent is failed, or the drying agent does not completely absorb water (the hollow glass is tested for 8 hours in ).

According to the technical scheme, when large batches of glass are detected, the operation is troublesome and the labor intensity is high due to the complex steps.

Disclosure of Invention

The invention aims to provide hollow glass dew point detectors, which have the advantages of simple operation, convenient use and low labor intensity.

The above object of the present invention is achieved by the following technical solutions:

hollow glass dew point detector comprises a detection table, a support frame is fixedly connected to the upper side of the detection table, a telescopic cylinder is connected to the middle of the support frame, a detection cup is arranged at the lower end of the telescopic cylinder, an alcohol infusion tube is fixedly connected to the upper end side of the detection cup, a temperature detector and a low-temperature cryoprobe are vertically inserted into the detection cup, observation tubes with lower ends inclined towards the middle of the detection table are vertically arranged on the two sides of the support frame, an observation tube II horizontally arranged and extending out of the support frame side is fixedly connected to the upper end of the observation tube , reversing lenses with mirror surfaces facing the observation tube and the observation tube II are fixedly connected to the bent portions of the observation tube and the observation tube II in an inclined mode, a feeding table and a blanking table are fixedly connected to the two sides of the detection table respectively, the width of the feeding table and the detection table is the same as that of glass to be detected, and a pushing mechanism capable of pushing the glass on the feeding table to the detection table is arranged on the side.

By adopting the technical scheme, in operation, the detected glass is placed on the feeding table, then the glass is conveyed to the detection table through the pushing mechanism, then the detection cup is driven to descend to the middle of the upper side of the glass in a butt joint mode through the telescopic cylinder, the alcohol is conveyed into the detection cup through the alcohol conveying pipe to keep the capacity of the alcohol in the detection cup, then the alcohol in the detection cup is cooled through the low-temperature freezing probe, the temperature of the alcohol is observed through the temperature detector, after the temperature is proper, the low-temperature freezing probe is stopped from being cooled, the detection cup is driven to ascend through the telescopic cylinder and reset, the detection cup is observed through the two observation cylinders, the detection position in the middle of the glass can be refracted through the reversing lens in the observation cylinder , so that an observer can observe the detection condition of the glass, after the detection is completed, the pushing mechanism pushes the blanking table to convey another glass into the detection table, at this time, the glass which is detected and completed in the detection table is ejected to the blanking table from the feeding table, the blanking table is completed, the steps are repeated, the continuous detection of the glass can be realized, the labor intensity is simple and the use is convenient.

The invention is further that the support frame is also vertically connected with a horizontally arranged upper support frame in a sliding way, the upper support frame is connected with an upper scraper blade capable of reciprocating in a sliding way along the width direction of the upper support frame, and the support frame is also internally provided with a lifting mechanism capable of driving the upper support frame to descend to the upper scraper blade to abut against the upper side of the glass.

Through adopting above-mentioned technical scheme, after detecting the cup and lifting from glass and breaking away from butt glass, drive the carriage through elevating system and descend supreme scraper blade butt in the glass upside, then slide along last carriage through last scraper blade, can scrape the water smoke of placing the detection cup position of glass upside futilely to the observer's of being convenient for observation detects the completion back, and elevating system can also drive the carriage and reset.

According to the invention, , a lower support frame is connected to the lower side of the detection platform in a vertical sliding manner, the length direction of the lower support frame is the same as that of the upper support frame, a lower scraper capable of reciprocating is connected to the inside of the lower support frame in a sliding manner along the width direction of the lower support frame, and the lifting mechanism can also drive the lower support frame to ascend until the upper side of the lower scraper abuts against the lower side of the glass.

Through adopting above-mentioned technical scheme, after detecting the cup and lifting from glass and breaking away from butt glass, drive the under bracing frame through elevating system and rise to lower scraper blade upside butt in the glass upside, then slide along last carriage through last scraper blade, can scrape the water smoke that places detection cup position downside that glass corresponds futilely to the observer's of being convenient for observation detects the completion back, and elevating system can also drive the under bracing frame and reset.

According to the invention, , a liquid delivery pipe is fixedly connected to the lower side of the supporting frame, an alcohol spray head is fixedly connected to the lower end of the liquid delivery pipe, a liquid storage tank is fixedly connected to the upper side of the supporting frame, and a control valve is fixedly connected between the liquid delivery pipe and the liquid storage tank.

Through adopting above-mentioned technical scheme, at the during operation, after glass removes to examining test table, open the control valve, can make the alcohol in the liquid reserve tank spout glass's upside middle part through the alcohol shower nozzle, thereby can detect the downside butt of cup in the glass upside when detecting the cup when descending directly, can fully contact the downside that detects the cup with the glass upside through alcohol, and the alcohol of adoption, promote detecting the cup, strike off the alcohol at glass upside middle part through the scraper blade after, the cleanliness factor of glass upside is higher, and can avoid glass upside short-time internal fog, so that observe.

According to the invention, , an air pipe is fixedly connected to the upper side of the upper scraper, an air pump communicated with the air pipe is fixedly connected to the upper side of the support frame, and air injection holes are formed in the positions, corresponding to the two sides of the scraper, of the lower side of the air pipe.

Through adopting above-mentioned technical scheme, can make the air admission trachea and spray to the both sides of scraper blade from the fumarole through the air pump, can scrape the alcohol of glass middle part upside to the side of glass through fumarole and scraper blade mutually supporting, and the trachea of adoption can spout except remaining water on the scraper blade.

The invention is further set in that the reversing mirror surface is adhered with an antifogging film.

By adopting the technical scheme: the antifogging film that adopts can effectually avoid producing the water smoke on the switching-over mirror surface, the observer's of being convenient for observation.

The invention proceeds step, the feeding platform and the blanking platform are respectively connected with a plurality of unpowered rollers in a rotating way, and the plurality of unpowered rollers of the feeding platform and the blanking platform are respectively sleeved with unpowered belts with the rotating direction same as the glass conveying direction.

Through adopting above-mentioned technical scheme, the unpowered area through adopting can be convenient for glass's conveying, convenient to use.

The invention is further that a material baffle plate is fixedly connected with the side of the blanking table far away from the detection machine body.

Through adopting above-mentioned technical scheme, can keep away from the side that detects the platform to the unloading platform through the striker plate that adopts and carry on spacingly to avoid glass to drop from the unloading bench, protect glass.

The invention is further that a limit plate is fixed on the side of the feeding table.

Through adopting above-mentioned technical scheme, can carry on spacingly to the end of material loading bench glass through the limiting plate that adopts to be convenient for glass's pay-off.

In conclusion, the beneficial technical effects of the invention are as follows:

1. during working, detected glass is placed on a feeding table, then the glass is conveyed to the detection table through a pushing mechanism, then a telescopic cylinder drives a detection cup to be abutted against the middle part of the upper side of the glass, alcohol is conveyed into the detection cup through an alcohol conveying pipe to keep the volume of the alcohol in the detection cup, then the alcohol in the detection cup is cooled through a low-temperature freezing probe, the temperature of the alcohol is observed through a temperature detector, after the temperature is proper, the low-temperature freezing probe is stopped from being cooled, the detection cup is kept standing for periods of time, then the detection cup is driven to ascend through the telescopic cylinder and reset, the two observation cylinders are used for observation, the detection position in the middle of the glass can be refracted through a reversing lens in an observation cylinder , so that an observer can observe the detection condition of the glass, after the detection is finished, another glass on a blanking table is pushed by the pushing mechanism to be conveyed into the detection table, at the moment, the glass detected in the detection table is ejected out from the feeding table to be discharged to the blanking table, the steps are repeated, and the continuous detection of the glass can be realized, the operation is simple, the labor;

2. when the detection cup is lifted from the glass and separated from the glass in a butting manner, the lifting mechanism drives the upper support frame to descend until the upper scraper abuts against the upper side of the glass, then the upper scraper slides along the upper support frame, and water mist at the position, where the detection cup is placed, on the upper side of the glass can be scraped dry, so that the observation of an observer is facilitated, and after the detection is finished, the lifting mechanism can also drive the upper support frame to reset;

3. at the during operation, after glass removed to examining test table, open the control valve, can make the alcohol in the liquid reserve tank spout glass's upside middle part through the alcohol shower nozzle, thereby can detect the downside butt in the glass upside when detecting the cup when descending directly, can fully contact the downside and the glass upside that detect the cup through alcohol, and the alcohol of adoption, promote detecting the cup, strike off the alcohol at glass upside middle part through the scraper blade after, the cleanliness factor of glass upside is higher, and can avoid glass upside short time internal fog, so that observe.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of the inspection table of the present invention.

Fig. 3 is a schematic structural view of the upper support frame of the present invention.

Fig. 4 is a schematic view of the trachea structure of the present invention.

Fig. 5 is a schematic view of the structure of the sight tube of the present invention.

In the figure, 1 is a detection table, 11 is a support frame, 111 is a side plate, 112 is a support plate, 12 is a liquid feeding pipe, 121 is an alcohol spray head, 122 is a liquid storage box, 13 is a telescopic cylinder, 131 is a detection cup, 132 is a cup body, 133 is a cup cover, 134 is an alcohol liquid conveying pipe, 135 is a temperature detector, 136 is a low-temperature freezing probe, 14 is an upper support frame, 141 is an upper sliding rod, 142 is an upper scraping plate, 143 is an upper reciprocating cylinder, 144 is an air pipe, 1441 is an air injection hole, 145 is an air pump, 15 is a lower support frame, 151 is a lower sliding rod, 152 is a lower scraping plate, 153 is a lower reciprocating cylinder, 16 is a bidirectional telescopic cylinder, 17 is an observation pipe , 171 is an observation pipe II, 172 is a reversing lens, 2 is a feeding table, 21 is a pushing cylinder, 22 is a pushing plate, 23 is a pushing plate, 3 is a discharging table, 31 is a stopping plate, 4 is an unpowered.

Detailed Description

The present invention is further described in detail below with reference to the attached figures.

Referring to fig. 1, the hollow glass dew point detector disclosed by the invention comprises a detection table 1, and a feeding table 2 and a discharging table 3 which are arranged on two sides of a detection side table.

Referring to fig. 1 and 2, a supporting frame 11 is disposed on the upper side of the detection table 1, the supporting frame 11 includes side plates 111 fixedly connected to both ends of the detection table 1 and a supporting plate 112 horizontally fixedly connected to upper ends of the side plates 111, a liquid feeding pipe 12 is vertically fixedly connected to a position of the lower side of the supporting plate 112 close to the middle portion, an alcohol spray head 121 is fixedly connected to the lower end of the liquid feeding pipe 12, the upper end of the liquid feeding pipe 12 extends out of the upper side of the supporting plate 112, a liquid storage tank 122 communicated with the liquid feeding pipe 12 is further fixedly connected to the upper side of the supporting plate 112, and a control valve is. During operation, after the glass plate is arranged on the upper side of the detection table 1, the control valve can be opened, and the alcohol in the liquid storage cavity is sprayed to the middle part of the upper side of the glass on the detection table 1 through the liquid sending pipe 12 and the alcohol sprayer 121.

The middle of the lower side of the supporting plate 112 is also vertically and fixedly connected with a telescopic cylinder 13, a telescopic rod of the telescopic cylinder 13 is arranged downwards and fixedly connected with a detection cup 131, the detection cup 131 comprises a cup body 132 and a cup cover 133 connected with the upper end of the cup body 132 through a bolt, the side of the cup cover 133 is fixedly connected with an alcohol infusion tube 134 upwards, the upper end of the alcohol infusion tube 134 extends out of the upper side of the supporting plate 112 and is communicated with the lower end of the liquid storage tank 122, the middle of the alcohol infusion tube 134 is further fixedly connected with a regulating valve, two jacks are further formed in the upper side of the cup cover 133, a temperature detector 135 with the lower end extending into the detection cup 131 and a low-temperature cryoprobe 136 with the lower end extending into the detection cup 131 are respectively inserted into the two jacks, the upper side of the supporting frame 11 is further fixedly connected with a refrigerating unit (the existing technology is absent) which is connected with the cryoprobe 136 and can control the temperature of the cryoprobe 136, after the detected glass is placed on the detection table 1 and is sprayed on the middle of the upper side of the glass through alcohol, the alcohol is driven by the telescopic cylinder 13 to be lowered to the middle of the detection cup 131, then, the detection cup 131, the cryoprobe lifted to the cryoprobe detected by the cryoprobe , and the cryoprobe detected, and the cryoprobe carried out, and.

Referring to fig. 3 and 4, an upper support frame 14 is horizontally disposed on an upper side of the detection platform 1, a length direction of the upper support frame 14 is the same as a length direction of the detection platform 1, an upper slide rod 141 is slidably connected to an inner edge of the upper support frame 14 along a width direction of the upper support frame 14, an upper scraper 142 made of rubber is fixedly connected to a lower side of the upper slide rod 141 along a length direction of the upper slide rod 141, an upper reciprocating cylinder 143 is further fixedly connected to a side of the upper support frame 14, an expansion rod of the upper reciprocating cylinder 143 extends into the upper support frame 14 and is fixedly connected to a side of the upper scraper, an accommodating groove is further formed in a lower side of the detection platform 1, an accommodating groove 15 is horizontally disposed in the accommodating groove, a lower reciprocating cylinder 15 is horizontally disposed in a length direction of the lower support frame 15 is the same as a length direction of the detection platform 1, a lower slide rod 151 is slidably connected to an inner edge of the lower support frame 15 along a width direction of the lower support frame 15, an upper slide rod 151 is fixedly connected to a lower slide rod 152 made of the lower slide rod 151 along a length direction of the lower slide rod 151, a lower slide rod 153 of the lower slide rod 151 is fixedly connected to a lower slide rod 152, a lower slide rod 153 of the upper slide rod 15, a lower slide rod 15 is fixedly connected to a lower slide cylinder 153 capable of a glass detection cylinder capable of driving mechanism capable of driving a glass detection cylinder capable of driving a glass detection cup capable of driving a glass detection cylinder capable of driving a two-lifting detection cylinder capable of driving a two-up and a two-up-and a two-up detection cylinder 15-up-down detection cylinder capable of driving a two-down detection cylinder 15-up detection cylinder capable of driving a two-up-down detection cylinder capable of detecting a two-down detection cylinder capable of driving a two-down detection-up glass-down detection frame 16-up glass.

Referring to fig. 2 and 4, an air pipe 144 is further fixedly connected in the upper slide bar 142, an air pump 145 communicated with the air pipe 144 is fixedly connected to the upper side of the support frame 11, air injection holes 1441 are formed in positions, corresponding to the two sides of the upper scraper 142, of the lower side of the air pipe 144, air can enter the air pipe 144 through the air pump 145 and can be injected to the two sides of the upper scraper 142 from the air injection holes 1441, alcohol on the upper side of the middle of the glass can be scraped to the side of the glass through the mutual matching of the air injection holes 1441 and the upper scraper 142, and residual water on the scraper can be sprayed out through the adopted air pipe 144.

Referring to fig. 2 and 5, two sides of the supporting frame 11 are also vertically and fixedly connected with an observation tube with a lower end inclined toward the middle of the detection platform 1, the upper end of the observation tube is fixedly connected with a second observation tube 171 horizontally arranged and extending out of the supporting frame 11 side, the bending portions of the observation tube and the second observation tube 171 are fixedly connected with a reversing lens 172 obliquely, the mirror surface of the reversing lens 172 faces the observation tube and the second observation tube 171, and an antifogging film is attached to the reversing lens 172.

Referring back to fig. 1, the width of the feeding table 2 and the width of the detection table 1 are the same as the width of the glass to be detected, the feeding table 2 and the discharging table 3 are respectively connected with a plurality of unpowered rollers 4 in a rotating manner, the unpowered rollers 4 of the feeding table 2 and the discharging table 3 are respectively sleeved with a unpowered belt 41 with the rotating direction being the same as the glass conveying direction, the side of the discharging table 3 far away from the detection machine body is fixedly connected with a baffle plate 31, the base is provided with a pushing mechanism corresponding to the side of the feeding table 2 far away from the detection table 1 and capable of pushing the glass on the feeding table 2 to the detection table 1, the pushing mechanism adopted in the embodiment is a pushing cylinder 21 fixedly connected to the side of the feeding table 2 far away from the detection table 1 , the length direction of the pushing cylinder 21 is perpendicular to the length direction of the feeding table 2, the telescopic rod of the pushing cylinder 21 faces the detection table 1, the telescopic rod of the pushing cylinder 21 is fixedly connected with a push plate 22 with the end of the glass with the same length direction as the feeding table 2, when the glass to work, the glass to be placed on the detection table 2, the detection table can be pushed by the detection table 2, the detection table, the detection machine can be conveniently and the detection machine can be used for detecting the glass, the glass to be detected, the glass to be detected by the detection machine.

The implementation principle of the embodiment is as follows: during operation, can place the glass that waits to detect on the material loading platform 2, then drive the push pedal 22 motion through pushing away jar 21, can with the glass propelling movement of the 2 upside of material loading platform to examine test table 1 in, at this moment, detect the glass that the completion in the test table 1 also will be ejecting to unloading platform 3 by the glass of coming from the 2 propelling movements of material loading platform, accomplish the unloading, above-mentioned step is repeated again, can realize glass's continuous detection, easy operation, low in labor strength, convenient to use.

After the glass plate is arranged on the upper side of the detection table 1, the control valve can be opened, alcohol in the liquid storage cavity is sprayed to the middle part of the upper side of glass on the detection table 1 through the liquid sending pipe 12 and the alcohol spray head, then the detection cup 131 is driven to descend to the position which is abutted to the middle part of the upper side of the glass, namely the position of alcohol spraying on the glass, then the alcohol conveying pipe conveys the alcohol into the detection cup 131 to keep the capacity of the alcohol in the detection cup 131, the alcohol in the detection cup 131 is cooled through the low-temperature freezing probe 136, the temperature of the alcohol is observed through the temperature detector 135, after the temperature is proper, the cooling of the low-temperature freezing probe 136 is stopped, the glass is kept still for periods, and then the telescopic cylinder 13 drives the detection cup.

Then when the bidirectional telescopic cylinder 16 drives the two telescopic rods to retract, the upper support frame 14 can be driven to descend to the upper scraper 142 to abut against the upper side of the glass, the lower support frame 15 ascends to the upper side of the lower scraper 152 to abut against the upper side of the glass, then the telescopic rods are driven to extend through the upper reciprocating cylinder 143 and the lower reciprocating cylinder 153, the upper scraper 142 and the lower scraper 152 can be driven to respectively slide along the upper support frame 14 and the lower support frame 15, so that alcohol at the position, where the detection cup 131 is placed, on the upper side of the glass can be scraped, water mist at the lower side, where the detection cup 131 is placed, corresponding to the glass can be scraped, at the moment, an observer can observe through the two observation tubes, at the moment, the detection position in the middle of the glass can be refracted through the reversing lens 172 in the observation tube , so that the observer can observe the detection condition of the glass, and the adopted antifogging film can effectively avoid water mist generation on the reversing mirror surface, and is convenient for the observer.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.