CN220603465U

CN220603465U - Brake oil boiling point detector

Info

Publication number: CN220603465U
Application number: CN202322095120.1U
Authority: CN
Inventors: 陈深旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-03-15
Anticipated expiration: 2033-08-03

Abstract

The utility model provides a brake oil boiling point detector which comprises a detector main body, an operation panel, a charging assembly and a detection assembly, wherein the operation panel is arranged on the detector main body; the detection assembly comprises a connecting pipe and a testing piece, the testing piece comprises a shell, a heating piece, a temperature sensor, a heat insulation piece and a sealing piece, one end of the shell is connected with the main body of the detector through the connecting pipe, and a liquid inlet part is arranged at one end of the shell, which is far away from the connecting pipe; the heat insulation piece and the sealing piece are arranged in the shell, the heat insulation piece is arranged on one side of the liquid inlet part, and the sealing piece is arranged on one side of the heat insulation piece far away from the liquid inlet part; the heating part and the temperature sensor are respectively arranged in the shell and are respectively electrically connected with the detector main body, and the heating end of the heating part and the detection end of the temperature sensor respectively penetrate through the heat insulation part to extend towards the direction of the liquid inlet part. The brake oil boiling point detector provided by the utility model avoids the damage to electronic components caused by the rising of high-temperature oil gas.

Description

Brake oil boiling point detector

Technical Field

The utility model relates to the technical field of brake oil boiling point detection, in particular to a brake oil boiling point detector.

Background

The brake fluid is a corrosive low-temperature hydraulic water-soluble liquid in nature, is not a real oil product, is easy to absorb wet spots in air to cause boiling point reduction, generates heat on a brake fluid disc due to long-time friction, reduces the boiling point of the brake fluid, generates steam due to easier boiling after heat absorption, and finally causes braking failure due to the fact that a brake fluid path is a sealed liquid system and air is not allowed to exist, and the boiled steam can influence liquid pressure channel transmission. In general, the brake fluid should be replaced every twenty thousand kilometers or two years, the detection of the boiling point of the brake fluid is an index for judging whether the brake fluid is good or not, the relationship with driving safety is close, the boiling point of the brake fluid is reduced, the air lock phenomenon can be caused, the brake is invalid, additives in oil can be greatly consumed, the brake fluid loses the protection capability, the brake fluid is acidified, copper ions can be generated, metal corrosion is caused, oil sludge is generated, and finally a brake system master pump, a slave pump and an ABS brake system are damaged.

The existing boiling point detector mainly comprises a tester and a test rod, wherein a heater and a thermometer are arranged in the test rod, the test rod is immersed in brake oil to be tested, the brake oil is heated to be boiled by the heater, and the boiling point can be measured by temperature measurement to judge whether the brake oil to be tested is deteriorated or not. However, since the electronic components inside the detecting rod are easily contacted with high-temperature brake oil gas when the detecting rod is used, the electronic components are easily damaged and are difficult to maintain.

Disclosure of Invention

Aiming at the problem that the detecting rod is easily damaged by high-temperature oil gas when the existing brake oil boiling point detector is used, the utility model provides the brake oil boiling point detector.

The utility model provides a brake oil boiling point detector which comprises a detector main body, an operation panel, a charging assembly and a detection assembly, wherein the operation panel is arranged on the detector main body;

the detection assembly comprises a connecting pipe and a testing piece, wherein the testing piece comprises a shell, a heating piece, a temperature sensor, a heat insulation piece and a sealing piece, one end of the shell is connected with the main body of the detector through the connecting pipe, and a liquid inlet part is arranged at one end of the shell, which is far away from the connecting pipe; the heat insulation piece and the sealing piece are arranged in the shell, the heat insulation piece is arranged on one side of the liquid inlet part, and the sealing piece is arranged on one side, far away from the liquid inlet part, of the heat insulation piece; the heating part and the temperature sensor are respectively arranged in the shell and are respectively electrically connected with the detector main body, and the heating end of the heating part and the detection end of the temperature sensor respectively penetrate through the heat insulation part to extend towards the direction of the liquid inlet part.

Optionally, the shell comprises an upper shell, a middle shell and a lower shell, wherein the middle shell is connected between the upper shell and the lower shell, and the liquid inlet part is arranged on the upper shell; one end of the lower shell, which is far away from the middle shell, is connected with the connecting pipe;

the heat insulation piece set up in the well shell orientation one side of epitheca, well shell orientation one side injection sealant of inferior valve forms the sealing member, the heating piece with temperature sensor set up in on the heat insulation piece, the heating end of heating piece with temperature sensor's detection end is located in the epitheca.

Optionally, the heating element and the temperature sensor are respectively connected with the detector main body through a cable, the lower shell is provided with a mounting cavity for the cable to pass through, the mounting cavity is communicated with the connecting pipe, and the cable is arranged in the connecting pipe.

Optionally, a copper pipe is arranged in the lower shell, a first heating space is arranged in the copper pipe, and a heating end of the heating piece and a detection end of the temperature sensor are positioned in the first heating space; a first opening is formed in one end, far away from the heat insulation piece, of the copper pipe, and the first opening is communicated with the first heating space;

the lower shell and the copper pipe are respectively connected with the heat insulation piece, a gap is arranged between the copper pipe and the lower shell to form a second heating space, and a second opening is arranged at one end of the lower shell, which is far away from the middle shell; the liquid inlet part comprises a first liquid inlet hole, and the first liquid inlet hole is arranged on the periphery of the lower shell and is communicated with the second heating space.

Optionally, the liquid inlet part further comprises a liquid inlet limit block, the liquid inlet limit block comprises a liquid inlet pipe, a limit plate and a limit protrusion, and the liquid inlet pipe is arranged in the first opening; the limiting plate is arranged in the second opening and connected with one end of the liquid inlet pipe, the outer edge of the limiting plate is in butt joint with the inner wall of the lower shell, and a second liquid inlet hole communicated with the liquid inlet pipe is formed in the limiting plate; the limiting protrusion is arranged on one side, deviating from the liquid inlet pipe, of the limiting plate, and the limiting protrusion is arranged on the periphery of the second liquid inlet hole.

Optionally, a communication groove is disposed on a side of the heat insulating member facing the lower case, and the communication groove communicates the first heating space and the second heating space.

Optionally, the connecting pipe is a metal hose, and a waterproof and oil-proof layer is arranged outside the metal hose.

Optionally, the brake oil boiling point detector further comprises a bracket for supporting the detector body, and the bracket is connected with the detector body.

Optionally, the charging assembly includes a power cord, a positive crocodile clip and a negative crocodile clip, the positive crocodile clip and the negative crocodile clip being connected with the detector body by the power cord, respectively.

Optionally, the operation panel includes a display screen and a plurality of operating buttons, the display screen and a plurality of operating buttons all set up in detector main body surface, and a plurality of operating buttons set up in display screen one side.

According to the utility model, the heat insulation piece is arranged on one side of the liquid inlet part, so that the oil temperature heated by the brake oil is prevented from penetrating through the heat insulation piece, and other electronic elements in the shell are prevented from being damaged at high temperature. Through setting up the sealing member in the one side that the feed liquor portion was kept away from to the insulating member, prevent that brake oil heating back oil gas from entering to the casing other end through the insulating member and corroding electronic component to avoid the test piece to take place to damage because of electronic component receives oil gas corrosion.

Drawings

FIG. 1 is a schematic diagram of a brake oil boiling point detector according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a structure of a test piece of a brake oil boiling point detector according to an embodiment of the present utility model;

fig. 3 is a partial enlarged view at a.

Reference numerals in the drawings of the specification are as follows:

1. a detector body;

21. a display screen; 22. operating a button;

3. a connecting pipe; 31. an adapter;

41. a housing; 411. an upper case; 412. a middle shell; 413. a lower case; 4131. a first liquid inlet hole; 4132. a notch; 42. a heating member; 43. a temperature sensor; 44. a heat insulating member; 441. a communication groove; 45. a seal; 46. a cable; 47. copper pipe; 48. a liquid inlet limit block; 481. a liquid inlet pipe; 482. a limiting plate; 4821. a second liquid inlet hole; 483. a limit protrusion;

5. a bracket;

61. a power line; 62. a positive crocodile clip; 63. negative crocodile clip.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.

As shown in fig. 1 to 3, the brake oil boiling point detector according to an embodiment of the present utility model includes a detector main body 1, an operation panel, a charging assembly and a detecting assembly, wherein the operation panel is disposed on the detector main body 1, and the charging assembly is connected with the detector main body 1.

The detection assembly comprises a connecting pipe 3 and a test piece, the test piece comprises a shell 41, a heating piece 42, a temperature sensor 43, a heat insulation piece 44 and a sealing piece 45, one end of the shell 41 is connected with the detector main body 1 through the connecting pipe 3, and one end of the shell 41 away from the connecting pipe 3 is provided with a liquid inlet part. The heat insulating member 44 and the sealing member 45 are disposed in the housing 41, the heat insulating member 44 is disposed on the liquid inlet portion side, and the sealing member 45 is disposed on the side of the heat insulating member 44 away from the liquid inlet portion. The heating element 42 and the temperature sensor 43 are respectively disposed in the housing 41 and are respectively electrically connected with the detector main body 1, and the heating end of the heating element 42 and the detection end of the temperature sensor 43 respectively pass through the heat insulation element 44 and extend toward the liquid inlet portion. Specifically, the heating element 42 is a heating rod, the heat insulating element 44 is a ceramic heat insulating seat, and the sealing element 45 is a sealant or other sealing filler material.

In the embodiment of the utility model, the heat insulation member 44 is arranged at one side of the liquid inlet part, so that the oil temperature heated by the brake oil is prevented from penetrating through the heat insulation member 44, and other electronic elements in the shell 41 are prevented from being damaged at high temperature. By arranging the sealing element 45 on one side of the heat insulating element 44 far away from the liquid inlet part, oil gas after brake oil is heated is prevented from entering the other end of the shell 41 through the heat insulating element 44 to corrode the electronic element, so that the damage of the test piece caused by the corrosion of the electronic element by the oil gas is avoided.

It should be noted that the brake oil boiling point detector of the present embodiment is not limited to detecting brake oil, and may detect boiling point of cooling liquid or other liquid.

As shown in fig. 2, in some embodiments of the present utility model, the housing 41 includes an upper shell 411, a middle shell 412, and a lower shell 413, the middle shell 412 is connected between the upper shell 411 and the lower shell 413, and the liquid inlet is disposed on the upper shell 411. The end of the lower case 413 remote from the middle case 412 is connected to the connection pipe 3. Specifically, an adapter 31 is provided between the lower case 413 and the connection pipe 3, the connection pipe 3 is connected to the lower case 413 through the adapter 31, and the adapter 31 is screwed to the lower case 413.

The heat insulating member 44 is disposed on a side of the middle shell 412 facing the upper shell 411, the sealing glue is injected on a side of the middle shell 412 facing the lower shell 413 to form the sealing member 45, the heating member 42 and the temperature sensor 43 are disposed on the heat insulating member 44, and a heating end of the heating member 42 and a detection end of the temperature sensor 43 are disposed in the upper shell 411.

Further, in some embodiments of the present utility model, the middle shell 412 is clamped or screwed to the lower shell 413 to facilitate maintenance and disassembly of the test piece.

Further, in some embodiments of the present utility model, the side of the heat insulator 44 facing the upper shell 411 is provided with a flange between the middle shell 412 and the upper shell 411, avoiding heat transfer between the upper shell 411 and the middle shell 412.

As shown in fig. 1, in some embodiments of the present utility model, the heating element 42 and the temperature sensor 43 are connected to the detector body 1 by a cable 46, respectively, and the lower case 413 is provided with a mounting cavity for the cable 46 to pass through, the mounting cavity being in communication with the connection pipe 3, and the cable 46 being disposed within the connection pipe 3.

As shown in fig. 2, in some embodiments of the present utility model, a copper pipe 47 is disposed in the lower case 413, a first heating space is disposed in the copper pipe 47, and a heating end of the heating element 42 and a detection end of the temperature sensor 43 are located in the first heating space. The copper pipe 47 is provided with a first opening at an end remote from the heat insulator 44, and the first opening communicates with the first heating space.

The lower shell 413 and the copper tube 47 are respectively connected with the heat insulation piece 44, a gap is arranged between the copper tube 47 and the lower shell 413 to form a second heating space, and a second opening is arranged at one end of the lower shell 413 away from the middle shell 412. The liquid inlet portion includes a first liquid inlet hole 4131, and the first liquid inlet hole 4131 is disposed on the outer periphery of the lower shell 413 and is communicated with the second heating space. After the lower shell 413 is propped against the bottom of the beaker, the brake oil flows into the second heating space from the first liquid inlet hole 4131, and after the brake oil is boiled, the brake oil flows out of the second heating space from the first liquid inlet hole 4131. Specifically, the first liquid inlet is provided at one end of the lower casing 413 near the middle casing 412.

As shown in fig. 2, in some embodiments of the present utility model, the liquid inlet portion further includes a liquid inlet limiting block 48, and the liquid inlet limiting block 48 includes a liquid inlet tube 481, a limiting plate 482 and a limiting protrusion 483, and the liquid inlet tube 481 is disposed in the first opening. The limiting plate 482 is disposed in the second opening and is connected to one end of the liquid inlet tube 481, the outer edge of the limiting plate 482 abuts against the inner wall of the lower shell 413, and a second liquid inlet 4821 communicating with the liquid inlet tube 481 is disposed on the limiting plate 482. The limiting protrusion 483 is disposed on a side of the limiting plate 482 facing away from the liquid inlet tube 481, and the limiting protrusion 483 is disposed on an outer periphery of the second liquid inlet hole 4821. Specifically, the spacing protrusion 483 is provided in plurality, and is disposed at intervals on the outer periphery of the second liquid inlet 4821. A gap is provided between the liquid inlet tube 481 and the first opening.

By providing the limiting plate 482, when the housing 41 is inserted into the brake oil, the brake oil enters the second heating space from the first liquid inlet hole 4131, and enters the first heating space from the second liquid inlet hole 4821. By providing the limiting projection 483, the second liquid inlet 4821 is prevented from being completely closed by the bottom of the beaker. When the brake oil is heated, the brake oil in the first heating space is compatible with the brake oil in the second heating space in a diffusion way, and when the brake oil is boiled, the brake oil flows out from the first liquid inlet communicated with the second heating space.

Further, as shown in fig. 2, in some embodiments of the present utility model, a notch 4132 is provided on a side of the lower shell 413 facing the heat insulation member 44, and by providing the notch 4132, the brake oil and the oil gas during heating in the second heating space are timely discharged.

As shown in fig. 3, in some embodiments of the present utility model, a communication groove 441 is provided at a side of the heat insulator 44 facing the lower case 413, and the communication groove 441 communicates the first heating space and the second heating space. By providing the communication groove 441, oil gas in the first heating space and the second heating space is caused to flow back.

In some embodiments of the present utility model, the connection tube 3 is a metal hose, so that the connection tube 3 is bent to an arbitrary angle. The metal hose is provided with a waterproof and oil-proof layer outside, so that the connecting wire in the connecting pipe 3 is prevented from being corroded or damaged by the outside. In particular, the connection tube 3 may also be a coil,

as shown in fig. 1, in some embodiments of the present utility model, the brake oil boiling point detector further includes a bracket 5 for supporting the detector body 1, and the bracket 5 is connected to the detector body 1. Through setting up support 5 liberation both hands, fixed position reduces the shake, avoids the unsettled test piece that leads to of equipment to shake and influences the test result. Specifically, one end of the bracket 5 is rotatably connected with the detector body 1, so that the bracket 5 can be folded and unfolded conveniently.

As shown in fig. 1, in some embodiments of the present utility model, the charging assembly includes a power cord 61, a positive crocodile clip 62, and a negative crocodile clip 63, the positive crocodile clip 62 and the negative crocodile clip 63 being connected to the detector body 1 through the power cord 61, respectively.

As shown in fig. 1, in some embodiments of the present utility model, the operation panel includes a display 21 and a plurality of operation buttons 22, the display 21 and the plurality of operation buttons 22 are disposed on the surface of the detector body 1, and the plurality of operation buttons 22 are disposed on one side of the display 21. Specifically, the plurality of operation buttons 22 are an up/back key, a celsius/fahrenheit switching key, a power-on key, a type selection key, and a down/test key, respectively.

In this embodiment, taking the example of detecting the boiling point of the brake oil, the working process of the brake oil boiling point detector is as follows: the stand 5 is opened, the detector body 1 is fixed on the table top, and the positive electrode crocodile clamp 62 and the negative electrode crocodile clamp 63 are loaded on the positive electrode and the negative electrode of the storage battery. The connecting tube 3 is bent to a desired angle so that the test piece is placed at the bottom of the beaker.

The power-on key is pressed, and a power-on interface appears on the display screen 21. And (3) selecting the oil type by combining the upper and lower selection keys according to the type selection key, and determining the selected oil type according to the type selection key. Then the test button is pressed to be not put, the display screen 21 displays the progress of the test strip, and the test strip is withdrawn after the test button is pressed for more than 60 seconds in the test. The heating element 42 starts to heat, when the temperature of the brake oil reaches a boiling state, the temperature sensor 43 is heated to calculate the oil temperature, and the display screen 21 reads the measured value. At this time, the test key can be released, the centigrade/fahrenheit switch key can be pressed, the result value can be switched to display centigrade or fahrenheit, and if the measured oil product measured value is larger than the reference value, the boiling point of the liquid is normal. The display is white backlight display, the display is 'good', if the measured value is close to the reference boiling point, the display is 'general', the display is yellow backlight display, if the measured value is too much lower than the reference value, the display is 'replacement', and the display is red.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. The brake oil boiling point detector is characterized by comprising a detector main body, an operation panel, a charging assembly and a detection assembly, wherein the operation panel is arranged on the detector main body, and the charging assembly is connected with the detector main body;

2. The brake oil boiling point detector according to claim 1, wherein the housing includes an upper case, a middle case, and a lower case, the middle case being connected between the upper case and the lower case, the liquid inlet portion being provided on the upper case; one end of the lower shell, which is far away from the middle shell, is connected with the connecting pipe;

3. The brake oil boiling point detector according to claim 2, wherein the heating member and the temperature sensor are connected with the detector main body by a set cable, respectively, the lower case is provided with a mounting cavity for the cable to pass through, the mounting cavity is communicated with the connection pipe, and the cable is disposed in the connection pipe.

4. The brake oil boiling point detector according to claim 2, wherein a copper tube is provided in the lower case, a first heating space is provided in the copper tube, and a heating end of the heating member and a detection end of the temperature sensor are located in the first heating space; a first opening is formed in one end, far away from the heat insulation piece, of the copper pipe, and the first opening is communicated with the first heating space;

5. The brake oil boiling point detector as claimed in claim 4, wherein the liquid inlet portion further comprises a liquid inlet limit block including a liquid inlet pipe, a limit plate, and a limit projection, the liquid inlet pipe being disposed in the first opening; the limiting plate is arranged in the second opening and connected with one end of the liquid inlet pipe, the outer edge of the limiting plate is in butt joint with the inner wall of the lower shell, and a second liquid inlet hole communicated with the liquid inlet pipe is formed in the limiting plate; the limiting protrusion is arranged on one side, deviating from the liquid inlet pipe, of the limiting plate, and the limiting protrusion is arranged on the periphery of the second liquid inlet hole.

6. The brake oil boiling point detector according to claim 4, wherein a side of the heat insulating member facing the lower case is provided with a communication groove that communicates the first heating space and the second heating space.

7. The brake oil boiling point detector according to claim 1, wherein the connection pipe is a metal hose, and a waterproof oil-proof layer is provided outside the metal hose.

8. The brake oil boiling point detector as claimed in claim 1, further comprising a bracket for supporting the detector body, the bracket being connected to the detector body.

9. The brake oil boiling point detector as claimed in claim 1, wherein the charging assembly includes a power cord, a positive crocodile clip and a negative crocodile clip, the positive crocodile clip and the negative crocodile clip being connected to the detector body by the power cord, respectively.

10. The brake oil boiling point detector according to claim 1, wherein the operation panel includes a display screen and a plurality of operation buttons, the display screen and the plurality of operation buttons are both provided on the surface of the detector main body, and the plurality of operation buttons are provided on one side of the display screen.