CN214011096U

CN214011096U - Freezing point tester for engine coolant

Info

Publication number: CN214011096U
Application number: CN202022664195.3U
Authority: CN
Inventors: 李轩; 高茜; 张阳
Original assignee: Beijing Petrochina Lubricating Oil Co ltd
Current assignee: Beijing Petrochina Lubricating Oil Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-20
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to an engine coolant freezing point apparatus, it includes base, testing arrangement and refrigerating plant, testing arrangement includes cooling barrel, cooling lid, the cooling barrel is located the base, and communicates refrigerating plant, the cooling lid is located cooling barrel top and is used for sealed cooling barrel, be provided with test tube device and ice crystal device that is located the cooling barrel on the cooling lid, test tube device with the ice crystal device all invades in the medium in the cooling barrel, test tube device includes the vacuum test tube, be provided with temperature sensor in the vacuum test tube, be provided with the charge door on the vacuum test tube, the ice crystal device includes the ice crystal pipe, the ice crystal pipe is single wall pipe, the ice crystal pipe can dismantle connect in the cooling lid. This application has the effect of getting fast of realizing the ice crystal and putting to reduce the operation degree of difficulty, increase freezing point survey device simple operation nature.

Description

Freezing point tester for engine coolant

Technical Field

The utility model relates to a cutting machine field especially relates to an engine coolant liquid ice point apparatus.

Technical Field

The engine coolant is commonly called as automobile antifreeze, is an indispensable cooling and heat-dissipating medium for an engine cooling system, and mainly has the functions of transferring heat and cooling an engine. From the use perspective, the paint has the functions of preventing freezing in winter, preventing boiling in summer and preventing corrosion and rust, and can be used in four seasons.

Chinese patent CN205898715U discloses an engine coolant freezing point tester, which comprises a refrigeration compressor, a base, a stirring chamber and a second controller, wherein the refrigeration compressor is provided with a steel wire mesh, and is welded with a pad foot and a circuit, and the circuit is connected with a plug; be fixed with base and second controller on the base, be connected with the teeter chamber on the base, the magneton has been put to the teeter chamber bottom, and the top cap that the top was equipped with passes through the bolt to be connected with the teeter chamber, and fixed first controller passes through the pipeline on the top cap to be connected with compressor, and the top cap bottom is fixed with the coil agitator.

In the related art, when the freezing point of the engine coolant is tested, a worker needs to estimate the freezing point temperature of the engine coolant, and when the temperature of the engine coolant is 0.5-1 ℃ higher than the expected freezing point, ice crystals crystallized by the prepared engine coolant are put in to guide the crystallization of the engine coolant to be tested and prevent the supercooling phenomenon.

Because the engine coolant ice crystals prepared in advance are generally placed in a refrigerator for storage, when the ice crystals need to be put in, testers need to take out the ice crystals quickly and then add the ice crystals into a sample quickly to guide crystallization, and the defect that the operation of workers is inconvenient exists and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience that the staff operated the freezing point and survey the device, this application provides an engine coolant liquid freezing point survey ware.

The application provides an engine coolant freezing point apparatus adopts following technical scheme:

the utility model provides an engine coolant freezing point apparatus, includes base, testing arrangement and refrigerating plant, testing arrangement includes cooling barrel, cooling lid, the cooling barrel is located the base, and communicates refrigerating plant, the cooling lid is located cooling barrel top and is used for sealed cooling barrel, be provided with test tube device and ice crystal device that is located the cooling barrel on the cooling lid, test tube device with the ice crystal device all invades in the medium in the cooling barrel, test tube device includes the vacuum test tube, be provided with temperature sensor in the vacuum test tube, be provided with the charge door on the vacuum test tube, the ice crystal device includes the ice crystal pipe, the ice crystal pipe is single wall pipe, the ice crystal pipe can dismantle connect in the cooling lid.

By adopting the technical scheme, when the freezing point of the engine coolant needs to be tested, firstly, a worker pours the engine antifreeze sample into the vacuum test tube and the ice crystal tube respectively, and immerses the vacuum test tube and the ice crystal tube into a medium in the cooling barrel, and when the temperature of the cooling barrel is reduced, the freezing liquid sample in the ice crystal tube reaches the freezing point firstly. When the sample in the vacuum test tube is close to the expected freezing point by 0.5-1 ℃, the staff starts to record the time and temperature change curve chart, then the ice crystals in the ice crystal tube can be quickly taken out and added into the vacuum test tube for guided crystallization, and the staff can detect the freezing point of the cooling liquid according to the curve chart. Consequently through set up the ice crystal pipe in the cooling barrel, direct formation guide ice crystal in survey device can realize getting fast of ice crystal and put, need not to go the refrigerator and take the ice crystal to reduce the operation degree of difficulty, increased the simple operation nature of freezing point survey device.

Preferably, be provided with stifled cap on the ice crystal pipe, run through on the cooling cover and be provided with the second hole that supplies ice crystal pipe and stifled cap to wear to establish, the vertical connecting rod that is provided with on the stifled cap, be provided with the apron that is used for covering the second hole on the connecting rod.

When the ice crystal was got to the staff, the one end of pulling connecting rod, the connecting rod drives stifled cap and ice crystal pipe rebound together, and the staff takes off stifled cap from the ice crystal pipe afterwards, can realize taking out fast of shaping ice crystal, consequently through setting up the ice crystal pipe of conveniently taking, realizes getting fast of shaping ice crystal and puts, has improved the simple operation nature.

Preferably, the blocking cap is arranged in a necking shape and is used for being embedded into a pipe orifice of the ice crystal pipe.

Through adopting above-mentioned technical scheme, when the staff took out the ice crystal in the ice crystal pipe, the staff pulled out stifled cap and ice crystal pipe, realized opening and close fast of ice crystal pipe. Then, the ice crystals in the ice crystal tube are taken out by a small spoon and put into a sample, so that the ice crystals are taken out and put quickly, the operation convenience is improved, and the ice crystals in the ice crystal tube can be taken out conveniently by a worker.

Preferably, the material of stifled cap is silica gel.

By adopting the technical scheme, the silica gel material has the characteristics of high adsorption performance, good stability and stable chemical property, and ensures good sealing performance and practical stability of the ice crystal tube.

Preferably, one end of the connecting rod, which faces away from the ice crystal tube, penetrates through the cover plate and forms a handle.

Through adopting above-mentioned technical scheme, when the staff took out the ice crystal device from the cooling cover, the staff grabbed the upper end of connecting rod with the hand alright take out the ice crystal device, and the staff of being convenient for takes out the ice crystal device.

Preferably, the apron material is the rubber and plastic material, the apron is from top to bottom and is the convergent setting, it is downthehole that the apron is used for imbedding the second, and the second hole is from up being the flaring setting down, and with apron phase-match.

Through adopting above-mentioned technical scheme, the rubber and plastic material has good heat preservation effect, through setting the apron material to the rubber and plastic material, plays the heat preservation effect to the medium in the cooling barrel, guarantees the leakproofness between apron and the cooling cover, makes the apron more firm be fixed in the second downthehole simultaneously.

Preferably, the ice crystal tube comprises a tube body and a long neck tube, and the diameter of the outer wall of the tube body is larger than that of the outer wall of the long neck tube.

Through adopting above-mentioned technical scheme, through the area of contact of the medium solution in increase body and the cooling barrel, the sample in the ice crystal test tube of being convenient for easily forms the ice crystal.

Preferably, a stirring rod extending into the vacuum test tube is hung on the cooling cover.

Through adopting above-mentioned technical scheme, stir the engine coolant liquid in the vacuum test tube through setting up the stirring rod, guarantee to get the even cooling of sample in the vacuum test tube, guarantee to detect the precision.

Preferably, the cooling cover is provided with a stirring device, the stirring device comprises a stirring motor and a stirring ring, the stirring motor is located on the upper side face of the cooling cover, the stirring ring is located in a cooling barrel medium, and the stirring ring is spirally arranged.

Through adopting above-mentioned technical scheme, be the heliciform through the setting with the stirring ring, realize the even cooling of the medium in the cooling tank, and when stirring the medium, can not produce great shock, avoid the medium to spill over in the cooling lid.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ice crystal device which is simple in structure and stable in working is arranged, so that the operation difficulty of the ice point measuring device is reduced, and the operation convenience of the ice point measuring device is improved;

2. the ice crystal tube which is convenient to take is arranged, so that the formed ice crystals can be taken and placed quickly, and the operation convenience is improved;

3. through the material design for the silica gel material with stifled cap, guarantee ice crystal pipe's good leakproofness and practical stability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application;

FIG. 3 is a schematic view of an ice crystal device according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of an ice crystal device according to an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a start-stop button; 111. a refrigeration button; 112. a stirring button; 12. a temperature display; 2. a testing device; 21. a chassis; 22. a support bar; 23. a cooling barrel; 24. a cooling cover; 241. a first hole; 242. a second hole; 243. a third aperture; 25. a stirring device; 251. a stirring motor; 252. a stirring ring; 26. a test tube device; 261. a test tube holder; 262. a vacuum test tube; 2621. a feed aperture; 28. an ice crystal device; 281. a cover plate; 282. a connecting rod; 283. a plugging cap; 284. a crystal tube is frozen; 2841. a long neck tube; 2842. a pipe body; 3. a refrigeration device; 31. a compressor; 32. a cooling pan; 33. a heat preservation pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses engine coolant freezing point apparatus refers to fig. 1, and it includes base 1, and base 1 level is placed subaerial, and base 1's whole shape is the cuboid, is provided with testing arrangement 2 on the base 1 up end, and testing arrangement 2 is used for testing the freezing point of engine coolant sample, and testing arrangement 2 is connected with refrigerating plant 3, and refrigerating plant 3 is arranged in adjusting the temperature of medium in testing arrangement 2.

Referring to fig. 1 and 2, the testing device 2 includes a chassis 21, supporting rods 22, a cooling barrel 23 and a cooling cover 24, the chassis 21 is located above the base 1, the chassis 21 is hollow and cylindrical, the supporting rods 22 are vertically and fixedly arranged above the chassis 21, the supporting rods 22 are four, and the four supporting rods 22 are circumferentially and uniformly distributed along a central shaft of the chassis 21.

Referring to fig. 1 and 2, the cooling barrel 23 is fixedly arranged at the center position above the chassis 21, the cooling barrel 23 is a circular barrel, a cooling medium is filled in the cooling barrel 23, the opening of the cooling barrel 23 faces upwards, and the axis of the cooling barrel 23 is coincident with the axis of the chassis 21. The side surface of the cooling barrel 23 is abutted against the side surface of the support rod 22, the cooling cover 24 is horizontally fixed at one end of the support rod 22, which is back to the chassis 21, and the cooling cover 24 can seal and cover the opening of the cooling barrel 23.

Referring to fig. 1 and 2, the cooling cover 24 is fixed with a stirring device 25, the stirring device 25 includes a stirring motor 251 and a stirring ring 252, the stirring motor 251 is located on the upper end surface of the cooling cover 24, and the stirring ring 252 is located in the medium in the cooling tub 23.

Referring to fig. 1 and 2, the diameter of the stirring ring 252 is equal to the radius of the cooling tub 23, a first hole 241 for the shaft of the stirring motor 251 to pass through is formed in the cooling cover 24, and a sealing bearing (not shown) is embedded at a position where the shaft of the stirring motor 251 contacts the first hole 241.

Referring to fig. 1 and 2, a second hole 242 and a third hole 243 penetrating through the upper side surface and the lower side surface of the cooling cover 24 are formed in the cooling cover 24, a test tube device 26 and an ice crystal device 28 are respectively arranged in the second hole 242 and the third hole 243 in a penetrating manner, the test tube device 26 is used for bearing engine cooling liquid to be measured, and the ice crystal device 28 is used for bearing guide ice crystals of the engine cooling liquid.

Referring to fig. 1 and 2, the test tube device 26 includes a test tube holder 261 and a vacuum test tube 262, the test tube holder 261 being fixed to an upper end surface of the cooling cover 24 and supporting the vacuum test tube 262. The vacuum test tube 262 is used for immersing in the cooling medium in the cooling barrel 23, and the opening is provided with a feeding hole 2621, and the feeding hole 2621 supplies ice crystals to add in the vacuum test tube 262.

Referring to fig. 1 and 2, a stirring rod (not shown) is suspended from the test tube holder 261, and is configured to extend into the vacuum test tube 262 and stir the engine coolant therein. A temperature sensor (not shown) is also fixed to the tube holder 261 and detects a temperature change of the sample in the vacuum tube 262.

Referring to fig. 3 and 4, the ice crystal device 28 includes a cover plate 281, a connecting rod 282, and an ice crystal pipe 284, which are sequentially disposed from top to bottom. The cover plate 281 is circular truncated cone-shaped and gradually reduced from top to bottom, and the third hole 243 is matched with the cover plate 281 in shape and is flared from bottom to top.

Referring to fig. 3 and 4, the connection rod 282 is vertically inserted through a middle position of the cover plate 281 and an upper end thereof forms a handle for a worker to take out, and the middle position of the connection rod 282 is fixedly connected with the cover plate 281.

Referring to fig. 3 and 4, the ice crystal tube 284 includes a tube body 2842 and a long neck tube 2841, and the diameter of the outer wall of the tube body 2842 is larger than that of the outer wall of the long neck tube 2841. The lower end of the connecting rod 282 is fixed with a plugging cap 283, the plugging cap 283 is tapered from top to bottom, and the end with the smaller diameter of the plugging cap 283 is embedded into the pipe orifice of the pipe body 2842.

Referring to fig. 3 and 4, when it is required to detect the freezing point of the cooling liquid sample, a worker puts a part of the sample into the ice crystal pipe 284, then the ice crystal pipe 284 is plugged into the plugging cap 283, and the ice crystal device 28 is inserted into the third hole 243, so that the ice crystal pipe 284 is immersed into the medium in the cooling barrel 23 for cooling.

Referring to fig. 1 and 2, the refrigerating apparatus 3 includes a compressor 31, a cooling pan 32, and a thermal insulation pipe 33, and the compressor 31 is horizontally placed on the ground. A cooling plate 32 is located within the base plate 21, the cooling plate 32 being connected to the compressor 31 by a holding tube 33. The cooling plate 32 is used to adjust the temperature of the medium in the cooling tub 23.

Referring to fig. 1 and 2, a temperature display 12 and an on-off button 11 are arranged on the side surface of the base 1, the temperature display 12 is used for displaying the temperature change of the engine coolant sample in the vacuum test tube 262, and the start button comprises a refrigeration button 111 and a stirring button 112. The refrigeration button 111 is used for controlling the on-off of the refrigeration device 3, and the stirring button 112 is used for controlling the on-off of the stirring device 25.

The implementation principle of the above embodiment is as follows: when the freezing point of the engine coolant needs to be tested, firstly, a worker pours a sample of the engine antifreeze into the vacuum test tube 262 and the ice crystal tube 284 respectively, and then immerses the vacuum test tube 262 and the ice crystal tube 284 into the medium in the cooling barrel 23 after passing the vacuum test tube 262 and the ice crystal tube 284 through the second hole 242 and the third hole 243 respectively. Subsequently, the cooling medium in the cooling barrel 23 is cooled by the refrigerating device 3, and the cooling medium in the cooling barrel 23 is stirred by the stirring device 25, so that the cooling medium in the cooling barrel 23 is uniformly cooled, and meanwhile, the vacuum test tube 262 and the ice crystal tube 284 are cooled by the cooling medium in the cooling barrel 23. Since the ice crystal tube 284 is a single walled tube, as the temperature of the cooling medium in the cooling barrel 23 decreases, the sample of cooling fluid in the ice crystal tube 284 first reaches freezing and forms guided ice crystals. When the sample in the vacuum tube 262 approaches the desired freezing point, 0.5-1 degrees, the worker begins recording the time and temperature profile, and then removes the ice crystal tube 284 and adds the ice crystals in the ice crystal tube 284 to the vacuum tube 262 to induce crystallization. And finally, the worker can detect the freezing point of the cooling liquid according to the curve graph.

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

Claims

1. The utility model provides an engine coolant freezing point apparatus, includes base (1), testing arrangement (2) and refrigerating plant (3), its characterized in that: the testing device (2) comprises a cooling barrel (23) and a cooling cover (24), the cooling barrel (23) is positioned on the base (1), and is communicated with the refrigerating device (3), the cooling cover (24) is positioned above the cooling barrel (23) and is used for sealing the cooling barrel (23), a test tube device (26) and an ice crystal device (28) which are positioned in the cooling barrel (23) are arranged on the cooling cover (24), the test tube device (26) and the ice crystal device (28) both penetrate into the medium in the cooling barrel (23), the test tube device (26) comprises a vacuum test tube (262), a temperature sensor is arranged in the vacuum test tube (262), the vacuum test tube (262) is provided with a charging hole, the ice crystal device (28) comprises an ice crystal tube (284), the ice crystal tube (284) is a single-wall tube and is detachably connected to the cooling cover (24).

2. The freezing point tester of engine coolant as claimed in claim 1, wherein: be provided with stifled cap (283) on ice crystal pipe (284), run through on cooling lid (24) and be provided with second hole (242) that supply ice crystal pipe (284) and stifled cap (283) to wear to establish, vertically on stifled cap (283) be provided with connecting rod (282), be provided with apron (281) that are used for covering second hole (242) on connecting rod (282).

3. The freezing point tester of engine coolant as claimed in claim 2, wherein: the blocking cap (283) is arranged in a necking shape and is used for being embedded into a pipe orifice of the ice crystal pipe (284).

4. An engine coolant freeze point tester as claimed in claim 3 wherein: the material of stifled cap (283) is silica gel.

5. The freezing point tester of engine coolant as claimed in claim 4, wherein: one end of the connecting rod (282) back to the ice crystal tube (284) penetrates through the cover plate (281) and forms a handle.

6. The freezing point tester of engine coolant as claimed in claim 5, wherein: the apron (281) material is the rubber and plastic material, apron (281) from top to bottom is the convergent setting, apron (281) are used for imbedding in second hole (242), and second hole (242) are from down up to be the flaring setting, and with apron (281) phase-match.

7. The freezing point tester of engine coolant as claimed in claim 5, wherein: the ice crystal pipe (284) comprises a pipe body (2842) and a long neck pipe (2841), and the diameter of the outer wall of the pipe body (2842) is larger than that of the outer wall of the long neck pipe (2841).

8. The freezing point tester of engine coolant as claimed in claim 7, wherein: and a stirring rod extending into the vacuum test tube (262) is hung on the cooling cover (24).

9. The freezing point tester of engine coolant as claimed in claim 1, wherein: the cooling cover (24) is provided with a stirring device (25), the stirring device (25) comprises a stirring motor (251) and a stirring ring (252), the stirring motor (251) is located on the upper side face of the cooling cover (24), the stirring ring (252) is located in a medium of the cooling barrel (23), and the stirring ring (252) is spirally arranged.