CN207423848U - A kind of portable boiling point test device - Google Patents

Abstract

The utility model discloses a kind of portable boiling point test devices, belong to boiling point detection field.The utility model includes heating module, test container and circuit module, offer to hold the test chamber of fluid to be measured in test container, heating module is used to heat fluid to be measured, and temperature sensor, metal electrode A and the metal electrode B being connected respectively with circuit module are equipped in test chamber.The utility model overcomes the shortcomings of that engine fluid in the prior art and brake fluid boiling point test operation are inconvenient, live can not quickly apply, simple to operate, is quickly detected suitable for boiling point at the scene, and can ensure the accuracy of boiling point detection.

Description

A kind of portable boiling point test device

Technical field

The utility model is related to boiling point detection technique field, more specifically to a kind of portable boiling point test device.

Background technology

Anti-icing fluid and the boiling point of brake fluid are an important indicators for characterizing anti-icing fluid and oil quality of braking, on engine The examination criteria and method of anti-icing fluid boiling point are petroleum chemical industry standard (SH) SH/T0089-1991 engine coolant boiling points Measuring method, test in laboratory device common at present is made based on experimental rig and method as defined in this standard, still Standard detection apparatus and method there are process of measurement it is complicated, cumbersome and inconvenient to carry the problems such as, can not be complicated at the scene Quick and easy boiling point test is done in environment, and easily-testing instrument generally existing accuracy of detection currently on the market is not high, accurate How the problems such as really property is poor carries out engine fluid fast, accurately boiling point test and stills need further to study.

Through retrieval, the technology on boiling point test has a large amount of patents and discloses, such as Chinese Patent Application No.： 201720208991.1 the applying date：On March 6th, 2017, invention and created name are：A kind of micro fast braking liquid boiling point is automatic Test device, this application discloses a kind of micro fast braking liquid boiling point automatic testing equipment, heating tube is wrapped in test pond Outer surface, heating tube outside installation inner tube, inner tube outside installs outer tube, gap, inner and outer tubes is left between inner and outer tubes Be provided with the ventilation hole of perforation tube wall, temperature sensor is mounted on and test pond bottom and stretches into test pond, temperature sensor with Microcontroller connects, and cooling fan and air pump of the microcontroller with heating tube and on the outside of test pond are connected, and the microcontroller is with leading to Letter interface is connected with display screen, installation radiator at the top of test pond.

For another example Chinese Patent Application No.：200810204504X, the applying date：On December 12nd, 2008, invention and created name For：A kind of method for detecting boiling point of liquid in open container, this application discloses a kind of detection liquid in open container boilings The method of point, for the controller that temperature-time compares by from being placed in the in vivo temperature sensor of the liquid and its temperature detector The heated liquid temperature signal of input and the detection unit interval inputted from timer are compared computing, obtain real time temperature Gradient, when the temperature gradient when going to zero, starts delay circuit in controller, controlled after being delayed by preset value from greatly to small Heater driving circuit closes heater and stops heating.This application is suitable for the boiling point inspection of any liquid of any height above sea level It surveys and not only can fully seethe with excitement but also will not seethe with excitement more than.

More than application case be can yet be regarded as a kind of good boiling point detection scheme, but it is difficult to be directly applied for engine antif Liquid and the test of the boiling point of brake fluid, and its accuracy of detection still has the space further optimized.

Utility model content

1. utility model technical problems to be solved

The purpose of the utility model is to overcome engine fluid in the prior art and brake fluid boiling point test operation not Just, can not the deficiency that quickly apply of scene, provide a kind of portable boiling point test device, it is simple to operate, suitable for Live boiling point quickly detects, and can ensure the accuracy of boiling point detection.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model is：

A kind of portable boiling point test device of the utility model including heating module, test container and circuit module, is surveyed It offers to hold the test chamber of fluid to be measured in examination container, heating module is used to heat fluid to be measured, set in test chamber There are the temperature sensor being connected respectively with circuit module, metal electrode A and metal electrode B.

Further, baroceptor is further included, which is connected with circuit module.

Further, heat insulation module is further included, heat insulation module is arranged at the top of test container.

Further, heating module is arranged on test container bottom, and test container is heat-conducting metal material.

Further, heating module is arranged on inside test container, and test container is non-metallic material.

Further, container is further included, test container is positioned in container.

Further, through flow hole is offered on the outer wall of test container.

Further, heating module is for helical form electric heating wire and inside test container.

Further, heating module is the ceramic heater coaxial with test container, and is arranged at test container inner wall On.

Further, shell is further included, circuit module and baroceptor are arranged in shell.

3. advantageous effect

Using technical solution provided by the utility model, compared with prior art, have the advantages that：

(1) a kind of portable boiling point test device of the utility model, interior be equipped with of test chamber are connected respectively with circuit module Temperature sensor, metal electrode A and metal electrode B, temperature detection and electrical impedance real-time change are combined, using when antifreeze When liquid or brake fluid are in complete fluidized state, electrical impedance will be in the output state of the smaller approximately constant of fluctuation always Characteristic coordinates the real-time detection of temperature, realizes the double shield to boiling point detection, effectively increases detection accuracy.

(2) a kind of portable boiling point test device of the utility model, further includes baroceptor, the baroceptor with Circuit module is connected, and baroceptor ensures that boiling point calculates for measuring atmospheric pressure and final ebulliometer being compensated Accuracy.

(3) a kind of portable boiling point test device of the utility model, test container are disposed vertically in container, and test is held Device is the nonmetallic tubular structure of single side opening, and the through flow hole flowed into for fluid to be measured is offered on the outer wall of test container, Fluid to be measured is enable to quickly fill with test chamber, ensures temperature sensor, metal electrode A and metal electrode B to fluid to be measured Detection accuracy.

(4) a kind of portable boiling point test device of the utility model, heating module can be used helical form electric heating wire or The tubular ceramic heater coaxial with test container, and be arranged on test container inner wall, it realizes to the quick equal of fluid to be measured Even heating, firing rate is fast, and required sample size is few, improves detection efficiency.

Description of the drawings

Fig. 1 is a kind of structure diagram of portable boiling point test device of the utility model；

Fig. 2 is a kind of structure diagram of portable boiling point test device of the utility model；

Fig. 3 is a kind of use flow diagram of portable boiling point test device of the utility model.

Label declaration in schematic diagram：1st, heating module；2nd, test container；201st, through flow hole；3rd, test chamber；4th, heat insulating mould Block；5th, temperature sensor；601st, metal electrode A；602nd, metal electrode B；7th, circuit module；8th, baroceptor；9th, container； 10th, shell.

Specific embodiment

To further appreciate that the content of the utility model, the utility model is described in detail with reference to attached drawing.

With reference to embodiment, the utility model will be further described.

Embodiment 1

As shown in Figure 1, a kind of portable boiling point test device of the present embodiment, including heating module 1,2 and of test container Circuit module 7 offers to hold the test chamber 3 of fluid to be measured, heating module 1 and 7 phase of circuit module in test container 2 Even, controlled by circuit module 7 and fluid to be measured is heated, the temperature sensor being connected respectively with circuit module 7 is equipped in test chamber 3 5th, metal electrode A601 and metal electrode B602, metal electrode A601 and metal electrode B602 partner electrode.

Heating module 1 is arranged on 2 bottom of test container in the present embodiment, and test container 2 is heat-conducting metal material, by adding Thermal modules 1 effectively heat fluid to be measured, and firing rate is fast, and required sample size is few；2 top of test container is additionally provided with heat-insulated Module 4, heat insulation module 4 close the test chamber 3 of test container 2, and temperature sensor 5, metal electrode A601 and metal electrode The heat insulation module 4 that B602 is each passed through stretches into the fluid to be measured in test chamber 3.

Baroceptor 8 is further included in the present embodiment, which is connected with circuit module 7.Baroceptor 8 For measuring atmospheric pressure and final ebulliometer being compensated, boiling point counting accuracy is ensured, compensation calculation method exists There is detailed regulation to be just not detailed here in petrochemical industry standard SH/T0089-1991.

The boiling point test device of the present embodiment is in actual use as shown in figure 3, follow the steps below detection：

Step 1: holding fluid to be measured in test chamber 3, make temperature sensor 5, metal electrode A601 and metal electrode B602 is inserted into fluid to be measured medium position；

Step 2: circuit module 7 controls heating module 1 to heat fluid to be measured；

Step 3: measurement fluid to be measured temperature, circuit module 7 measure metal electrode A601 to temperature sensor 5 in real time in real time The electrical impedance of fluid to be measured between metal electrode B602；

Step 4: when the fluid to be measured electrical impedance between metal electrode A601 and metal electrode B602 is in constant output Value then records the reading T of temperature sensor 5 when electrical impedance is in constant output value；

Step 6: the reading T that the temperature sensor 5 of data and record is detected according to baroceptor 8 further calculates quilt Boiling point of liquid is surveyed, circuit module 7 is mainly used for controlling 1 heating power of heating module, measurement metal electrode in the present embodiment Electrical impedance, 5 data of collecting temperature sensor between A601 and metal electrode B602, acquisition 8 data of baroceptor, go forward side by side one What step calculated fluid to be measured boiling point and showed, wherein the selection of specific boiling point calculation and circuit module 7 belongs to setting In known technology in industry, details are not described herein.

Temperature detection and electrical impedance real-time change are combined in the present embodiment, the accurate of boiling point detection can be effectively improved Property, it is to carry out by the way of boiling point generally to record temperature when observing fluid to be measured and be in complete fluidized state in the prior art Detection, but since fluid to be measured is multicomponent mixing liquid during practical operation, the boiling point of each component is different, seethes with excitement completely to liquid The observation of state is difficult to accurately, and sometimes inconvenient effectively observation, and causing mixed liquor boiling point testing result, there are certain errors；And The electrical impedance of substance is the important parameter of a reactive material property, and different substance electrical impedance is different, this researcher It is found finally with reference to production practices by concentrating on studies for many years, engine fluid and brake fluid gradually rise up to each group in temperature To divide in gradually boiling process, electrical impedance shows the trend that peak is then gradually reduced simultaneously approximately constant that gradually rises up to, And when anti-icing fluid or brake fluid are in complete fluidized state, electrical impedance will be in and fluctuates the defeated of smaller approximately constant always It does well, the present embodiment is equipped with by metal electrode A601, metal electrode B602 and temperature sensor 5, by engine This variation characteristic of the electrical impedance of anti-icing fluid and brake fluid is dissolved into the detection to boiling point, coordinates the real-time detection of temperature, real Now to the double shield of boiling point detection, detection accuracy is effectively increased.

Embodiment 2

A kind of portable boiling point test device of the present embodiment, substantially with embodiment 1, the difference is that as shown in Fig. 2, Shell 10 and container 9 are further included in the present embodiment, wherein circuit module 7 and baroceptor 8 is arranged in shell 10, container 9 Fluid to be measured is inside contained with, test container 2 is then disposed vertically in container 9, and test container 2 is the nonmetallic tubular of single side opening Structure, and the through flow hole 201 flowed into for fluid to be measured is offered on the outer wall of test container 2, fluid to be measured is enable to fill rapidly Full test chamber 3 ensures the detection accuracy of temperature sensor 5, metal electrode A601 and metal electrode B602 to fluid to be measured；This Heating module 1 is arranged on inside test container 2 in embodiment, and test container 2 is non-metallic material, and spiral shell can be used in heating module 1 Shape electric heating wire is revolved, and is evenly arranged on 2 inner wall of test container, realizes the rapid and uniform heating to fluid to be measured.It needs Setting bright, that the present embodiment passes through shell 10 and container 9 so that test pen structure can be made in overall structure, convenient for behaviour It uses.

Embodiment 3

A kind of portable boiling point test device of the present embodiment, substantially with embodiment 2, the difference is that heating module 1 is The tubular ceramic heater coaxial with test container 2, and be arranged on 2 inner wall of test container, it realizes to the quick of fluid to be measured It is evenly heated, improves detection efficiency.

Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing Shown in be also the utility model one of embodiment, actual structure is not limited thereto.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (10)

1. a kind of portable boiling point test device, it is characterised in that：Including heating module (1), test container (2) and circuit module (7), offer to hold the test chamber (3) of fluid to be measured in test container (2), heating module (1) is used for fluid to be measured Heating, test chamber (3) is interior to be equipped with temperature sensor (5), metal electrode A (601) and the metal being connected respectively with circuit module (7) Electrode B (602).

2. a kind of portable boiling point test device according to claim 1, it is characterised in that：Further include baroceptor (8), which is connected with circuit module (7).

3. a kind of portable boiling point test device according to claim 1, it is characterised in that：Heat insulation module (4) is further included, Heat insulation module (4) is arranged at the top of test container (2).

4. a kind of portable boiling point test device according to claim 1, it is characterised in that：Heating module (1) is arranged on Test container (2) bottom, test container (2) are heat-conducting metal material.

5. a kind of portable boiling point test device according to claim 1, it is characterised in that：Heating module (1) is arranged on Test container (2) is internal, and test container (2) is non-metallic material.

6. a kind of portable boiling point test device according to claim 5, it is characterised in that：Container (9) is further included, is tested Container (2) is positioned in container (9).

7. a kind of portable boiling point test device according to claim 6, it is characterised in that：The outer wall of test container (2) On offer through flow hole (201).

8. a kind of portable boiling point test device according to claim 5, it is characterised in that：Heating module (1) is spiral Shape electric heating wire is simultaneously internal arranged on test container (2).

9. a kind of portable boiling point test device according to claim 5, it is characterised in that：Heating module (1) be and survey The coaxial ceramic heater of container (2) is tried, and is arranged on test container (2) inner wall.

10. according to a kind of portable boiling point test device of claim 2-9 any one of them, it is characterised in that：It further includes outer Shell (10), circuit module (7) and baroceptor (8) are arranged in shell (10).