CN219417629U - Test device - Google Patents

Abstract

The utility model belongs to the technical field of drilling fluid testing, and discloses a testing device for detecting demulsification voltage of drilling fluid, which comprises the following components: the box body is provided with a test electrode for testing voltage; the sample measuring cup is arranged in the box body and used for containing drilling fluid, and an interlayer is arranged on the side wall of the cup body of the sample measuring cup; the heating piece is arranged in the interlayer to heat the drilling fluid in the sample measuring cup; and the power supply module is arranged on the sample measuring cup and is electrically connected with the heating element. Therefore, the demulsification voltage is not required to be independently set up at the outer side of the sample measuring cup in the detection process, and the heating part of the sample measuring cup is utilized to directly heat, so that the heating effect and the heat preservation effect are enhanced, the time and the energy consumed by heating and heat preservation are relatively low, the solution to be detected in the sample measuring cup can be ensured to be maintained in a proper test temperature range, and the solution to be detected is detected by utilizing the test electrode at the moment, so that a more accurate detection result is obtained.

Description

Test device

Technical Field

The utility model relates to the technical field of drilling fluid property testing, in particular to a testing device.

Background

The demulsification voltage refers to the voltage when current is introduced into the emulsified slurry and the emulsified slurry starts to break. Since the emulsified slurry external phase is oil, it is not conductive if the voltage is low, and it causes demulsification and conductivity if the voltage is high. So the higher the breaking voltage, the more stable the emulsion. The electric stability tester is a special instrument mainly used for testing the relative stability of emulsion, is used for testing the stability range of emulsion drilling fluid, and is widely applied to petroleum, underground mine and drilling.

Most of the currently used electric stability testers are purely imported demulsification voltage meters, the solution is contained in a special sample container, during testing, a tested electrode is stretched into the solution to be tested in the sample container to be measured, the temperature of the solution to be tested needs to be maintained at about 50 ℃ in the testing process, the device does not have the functions of heating and preserving heat of the solution to be tested, and the solution to be tested needs to be independently heated and preserved by external equipment so as to meet the detection requirement.

When the device is applied to the field, the temperature change of the field environment has a remarkable influence on the heating and heat preservation effect, so that the heating and heat preservation not only needs to consume more time and energy, but also achieves a poorer effect, and the deviation between the test result and the true value is larger.

Disclosure of Invention

The utility model aims to provide a testing device, which solves the problems that in the prior art, when the testing is carried out, because the environmental temperature generates larger interference on heating and heat preservation, more time and energy are consumed for heating and heat preservation, the effect is relatively poor, and the deviation between a testing result and a true value is larger.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a testing device for detecting demulsification voltage of drilling fluid, which comprises: a case having a test electrode for testing a voltage; the sample testing cup is arranged in the box body and used for containing drilling fluid, and an interlayer is arranged on the side wall of the cup body of the sample testing cup; the heating piece is arranged in the interlayer to heat the drilling fluid in the sample measuring cup; and the power supply module is arranged on the sample measuring cup and is electrically connected with the heating piece.

Optionally, the interlayer comprises: the first interlayer is arranged close to the inner wall of the sample measuring cup, and the heating piece is arranged on one side, close to the inner wall of the sample measuring cup, of the first interlayer.

Optionally, the interlayer further comprises: the second interlayer is arranged between the first interlayer and the outer wall of the sample measuring cup so as to block heat transfer.

Optionally, the second interlayer is a vacuum interlayer.

Optionally, the heating element is a heating wire.

Optionally, a first accommodating groove for accommodating the test electrode is formed in the box body.

Optionally, a second storage groove for storing the sample cup is formed in the box body.

Optionally, the control module and the power supply module in the box body are both located at one side of the first storage groove away from the second storage groove.

Optionally, a charging port electrically connected to the power supply module is disposed on the case, and the charging port is electrically connected to the power supply module to charge the power supply module.

Optionally, the case further includes: and the display is in communication connection with the control module, and the control module is in communication connection with the test electrode.

The utility model has the beneficial effects that:

through set up the intermediate layer in the wall of the cup of survey appearance cup, and with the heating member direct set up in the wall of the cup of survey appearance cup, and survey appearance cup is from power module, then in the test process, just can be through power module for the heating member power supply for the heating member directly heats the drilling fluid in the survey appearance cup. Therefore, the demulsification voltage is not required to be independently set up at the outer side of the sample measuring cup in the detection process, and the heating part of the sample measuring cup is utilized to directly heat, so that the heating effect and the heat preservation effect are enhanced, the time and the energy consumed by heating and heat preservation are relatively low, the solution to be detected in the sample measuring cup can be ensured to be maintained in a proper test temperature range, and the solution to be detected is detected by utilizing the test electrode at the moment, so that a more accurate detection result is obtained.

Drawings

FIG. 1 is a schematic diagram of a test apparatus according to the present utility model;

FIG. 2 is a cross-sectional view of a sample cup in the test device of the present utility model.

In the figure:

1. a case; 2. a test electrode; 3. a sample measuring cup; 4. a display; 5. an electrode joint; 6. a base; 7. a power module; 8. a heating member; 9. a second interlayer; 10. an interface; 11. a charging port; 12. a second storage groove; 13. a first receiving groove.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a testing device

Referring to fig. 1 and 2, the testing device is used for detecting demulsification voltage of drilling fluid, and comprises a box body 1, a sample cup 3, a heating piece 8 and a power module 7. The case 1 has a test electrode 2 for testing a voltage. The sample cup 3 is arranged in the box body 1 and is used for containing drilling fluid, and an interlayer is arranged on the side wall of the cup body of the sample cup 3. A heating element 8 is provided in the interlayer to heat the drilling fluid in the cuvette 3. The power module 7 is disposed on the sample cup 3 and electrically connected to the heating element 8.

Specifically, the case 1 has a cubic structure, in which a control module and a power supply module are provided, and a side surface of the case 1 may be hinged to a case cover to selectively close the case 1. An electrode connector 5 electrically connected with the control module and the power supply module is arranged on the top wall of the box body 1, and the test electrode 2 is connected with the electrode connector 5 through a wire. The sample cup 3 is arranged between the box body 1 and the box cover, and can be taken out to hold the liquid to be detected during the test. The control module, the power supply module and the test electrode 2 all adopt the prior art, and the specific constitution thereof is not described herein.

The sample cup 3 may be cylindrical, its top end is opened, its side wall is hollow to form the above-mentioned interlayer, and the heating element 8 is set in the interlayer. The heating element 8 may be any one or more of heating film, heating rod, heating wire, etc., and it can effectively heat and preserve heat the sample cup 3. The bottom end of the sample measuring cup 3 is fixedly provided with a base 6, and the fixing mode can be threaded connection, bonding or welding. The base 6 is hollow, and the power module 7 is arranged in the base 6. The power module 7 may be a battery, and an interface 10 electrically connected to the power module 7 may be further disposed on a side surface of the sample cup 3, so as to charge the power module 7.

When the testing device is used on site, the interlayer is arranged in the cup wall of the sample testing cup 3, the heating piece 8 is directly arranged in the cup wall of the sample testing cup 3, and the sample testing cup 3 is provided with the power supply module 7, so that the power supply module 7 supplies power to the heating piece 8, and the heating piece 8 directly heats drilling fluid in the sample testing cup 3. Therefore, in the detection process of the demulsification voltage, a heating device is not required to be arranged outside the sample measuring cup 3, and the heating piece 8 of the sample measuring cup 3 is utilized to directly heat the sample, so that the heating effect and the heat preservation effect are enhanced, the time and the energy consumed by heating and heat preservation are relatively low, the drilling fluid in the sample measuring cup 3 can be ensured to be maintained in a proper test temperature range, and the test electrode 2 is utilized to detect the solution to be detected at the moment, so that a more accurate detection result is obtained.

In some embodiments of the utility model, the interlayer comprises a first interlayer. The first interlayer is arranged close to the inner wall of the sample cup 3, and the heating piece 8 is arranged on one side, close to the inner wall of the sample cup 3, of the first interlayer.

The first intermediate layer sets up in the inboard position department of the wall of the cup of survey appearance cup 3 for the interval between heating member 8 and the drilling fluid is less, then heating member 8 when the heating, and the heat can be transmitted in to the drilling fluid fast, improves the heating efficiency of heating member 8. Meanwhile, the heating element 8 and the outer wall of the sample cup 3 can be kept at a relatively large interval, so that the heat of the heating element 8 is dissipated out of the sample cup 3 relatively low in efficiency, the heat preservation effect is effectively improved, and the time and energy consumed by heating and heat preservation are reduced.

In some embodiments of the utility model, the interlayer further comprises a second interlayer 9. The second interlayer 9 is arranged between the first interlayer and the outer wall of the cuvette 3 to block heat transfer. The second interlayer 9 is a vacuum interlayer.

The setting of second intermediate layer 9 for form hollow cavity structure between first intermediate layer and the sample cup 3 outer wall, compare in solid structure, its heat conduction efficiency is lower, and take out the air in the second intermediate layer 9 and form the vacuum after, lack the medium of heat conduction in the cavity, then can further reduce heat conduction efficiency, thereby make thermal-insulated effect of heat preservation obtain obviously promoting.

In some embodiments of the utility model, the heating element 8 is a heating wire. Specifically, the heating wires can be directly attached to the inner wall of the first interlayer through heat conducting glue, and can extend along the axial direction of the sample measuring cup 3, the extending mode of the heating wires can be annular or spiral or vertical in interval distribution, the specific shape of the heating wires can be adjusted according to the actual heating effect, and the utility model is not limited specifically. Through setting up the heater strip as heating piece 8, the shared space of heater strip is less, can be with its overall arrangement in the narrow and small first intermediate layer in space, can also adjust its layout mode according to the heating requirement moreover, ensures the heating effect.

Referring to fig. 1, in some embodiments of the present utility model, a first receiving groove 13 for receiving the test electrode 2 is provided in the case 1. The first storage groove 13 is formed in the top wall of the box body 1, and the cross section of the first storage groove is semicircular, so that the test electrode 2 and the lead can be stored conveniently, and a tester can conveniently carry the first storage groove together with the box body 1.

Referring to FIG. 1, in some embodiments of the present utility model, a second receiving groove 12 is provided in the casing 1 for receiving the cuvette 3. The second storage groove 12 is also formed in the top wall of the box body 1, the width of the second storage groove is slightly larger than the diameter of the sample measuring cup 3, and the depth of the second storage groove is smaller than the diameter of the sample measuring cup 3, so that the sample measuring cup 3 can be placed into the second storage groove 12, the stability is maintained, and an operator can conveniently take out the sample measuring cup 3 at any time.

It should be understood that the first storage groove 13 and the second storage groove 12 may not be formed on the top wall of the case 1, but may be formed at other positions of the case 1, for example, on any side surface of the case 1, and the storage of the test electrode 2 and the sample cup 3 may be achieved by providing a fixing structure such as a strap, and the arrangement of the first storage groove 13 and the second storage groove 12 may be designed according to the actual size of the case 1.

In some embodiments of the present utility model, the control module and the power supply module in the case 1 are located at a side of the first receiving slot 13 away from the second receiving slot 12. Specifically, when the first storage slot 13 and the second storage slot 12 are both opened on the top wall of the box body 1, the controller and the power supply module in the box body 1 are located on one side of the first storage slot 13, and the second storage slot 12 is located on the other side of the first storage slot 13, so that the second storage slot 12 is separated from the controller and the power supply module by the first storage slot 13, and the depth of the first storage slot 13 can be greater than that of the second storage slot 12. Because the sample cup 3 is tested and is likely to still have higher temperature after being cleaned, or the power module 7 in the sample cup 3 can generate higher temperature after being charged or during charging, the sample cup 3 can effectively slow down the heat transfer to the control module and the power supply module after being placed in the second storage groove 12 through the separation of the first storage groove 13, thereby reducing the influence of the heat on the electronic components in the box body 1.

In some embodiments of the present utility model, the case 1 is provided with a charging port 11 electrically connected to the power supply module, and the charging port 11 can be electrically connected to the interface 10 of the power supply module 7 to charge the power supply module 7. Specifically, a charging wire can be configured in the second storage groove 12, one end of the charging wire can be provided with a plug which is inserted into the charging port 11, and the other end of the charging wire can be connected with the interface 10 on the sample testing cup 3, so that the sample testing cup 3 can be charged by using the power supply module when being placed in the box body 1, the sample testing cup 3 can be ensured to be used on site for a long time, and the field without power supply equipment can be used, and the overall environment adaptability of the testing device is improved.

Referring to fig. 1, in some embodiments of the utility model, the case 1 further includes a display 4. The display 4 is in communication connection with a control module which is in communication connection with the test electrode 2. Specifically, a display 4 may be disposed on the top wall of the case 1, and may display the detection result of the test electrode 2 in real time through the control module, so that a tester can grasp the test result in time. And the display 4 can be provided with an LED lamp which can illuminate the top wall of the box body 1 so that a tester can use the testing device in a place with insufficient light, and the adaptability of the testing device is further improved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The testing arrangement for detect the demulsification voltage of drilling fluid, its characterized in that includes:

a case (1), the case (1) having a test electrode (2) for testing a voltage;

the sample measuring cup (3) is arranged in the box body (1) and is used for containing drilling fluid, and an interlayer is arranged on the side wall of the cup body of the sample measuring cup (3);

a heating element (8) arranged in the interlayer for heating the drilling fluid in the sample measuring cup (3); and

the power module (7) is arranged on the sample measuring cup (3) and is electrically connected with the heating piece (8).

2. The test device of claim 1, wherein the interlayer comprises:

the first interlayer is arranged close to the inner wall of the sample measuring cup (3), and the heating piece (8) is arranged on one side, close to the inner wall of the sample measuring cup (3), in the first interlayer.

3. The test device of claim 2, wherein the interlayer further comprises:

the second interlayer (9) is arranged between the first interlayer and the outer wall of the sample measuring cup (3) so as to block heat transfer.

4. A test device according to claim 3, characterized in that the second interlayer (9) is a vacuum interlayer.

5. Testing device according to any of claims 1 to 4, characterized in that the heating element (8) is a heating wire.

6. The test device according to any one of claims 1 to 4, characterized in that a first receiving groove (13) for receiving the test electrode (2) is provided in the case (1).

7. The testing device according to claim 6, wherein a second receiving groove (12) for receiving the sample cup (3) is provided in the case (1).

8. The testing device according to claim 7, wherein the control module and the power supply module in the box (1) are located at a side of the first receiving groove (13) away from the second receiving groove (12).

9. The testing device according to claim 8, wherein the box (1) is provided with a charging port (11) electrically connected to the power supply module, and the charging port (11) is electrically connected to the power supply module (7) to charge the power supply module (7).

10. The testing device according to claim 8, wherein the case (1) further comprises:

and the display (4) is in communication connection with the control module, and the control module is in communication connection with the test electrode (2).