Current testing device for mud generator of instrument while drilling

Abstract

The invention relates to the technical field of oil exploitation detection equipment, in particular to a current testing device for a mud generator of an instrument while drilling. The device comprises an accommodating box; a generator and an installation box are installed in the containing box, a test module is fixedly installed in the installation box, a heat exchange plate is fixedly installed on the top of the installation box, a liquid storage box is fixedly installed on the top of the heat exchange plate, a control panel is fixedly installed on the liquid storage box, and one side of the control panel is located in the liquid storage box. At least one heat conduction plate is fixedly installed on the top of the other side of the control plate, and an air guide pipe is fixedly installed in the containing box. The device is reasonable and compact in structure and convenient to use, heat generated by the test module is conducted to the heat conducting plate in time through cooperative use of the heat exchange plate, the liquid storage tank, the control panel and the heat conducting plate, the internal resistance of the test resistor is prevented from influencing the test result due to temperature change, the test precision is further improved, and the device has the advantages of being safe, reliable and accurate in measurement. The operation is convenient, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of oil production detection equipment, in particular to a drilling instrument mud generator current testing device. Background Art

[0002] Measurement while drilling (MWD) technology refers to the real-time and continuous monitoring of borehole and drill bit data during drilling. Currently, most measurement while drilling devices on the market are powered by batteries. Due to the size limitations of these devices, the batteries must be designed to be slender to ensure that the equipment can obtain a stable power supply. However, this design requirement leads to an increase in the length of the equipment, which in turn increases the manufacturing cost.

[0003] For example, the patent document with publication number CN112098841A discloses a current test device for a mud generator of a drilling instrument, including a frame and a test unit, the test unit including a control box, a frequency converter, a motor, a speed sensor, a test cylinder, and an operation panel. The output shaft of the motor is provided with a driving pulley, and a magnetic coupler is provided in the test cylinder. The magnetic coupler is connected to a driven pulley through a transmission shaft, and the driving pulley and the driven pulley are connected through a synchronous belt transmission. The speed sensor is used to monitor the speed of the transmission shaft, and the signal output end of the speed sensor is connected to the frequency converter, and the output end of the frequency converter is connected to the tachometer. This technology enables the mud generator to be tested on the ground, greatly saving time and cost.

[0004] Although the above technology enables the mud generator to be tested on the ground, greatly saving time and cost, in actual use, the resistance elements inside the control box will generate heat. The heat accumulation causes the internal temperature to gradually increase. The current measurement needs to be achieved through resistance, but as the temperature changes, the resistance value of the resistor changes, thereby affecting the accuracy of the measurement. Summary of the invention

[0005] The present invention provides a mud generator current testing device for a drilling instrument, which overcomes the shortcomings of the above-mentioned prior art and can effectively solve the problem that in the actual use of the existing mud generator current testing device, the resistance element inside the control box generates heat when working, and the heat converges to cause the internal temperature to gradually increase. As the temperature changes, the resistance value of the resistor changes, thereby affecting the measurement accuracy.

[0006] The technical solution of the present invention is achieved through the following measures: a drilling instrument mud generator current test device, including a containing box, a generator, a test module and a control panel; the generator and the installation box are installed in the containing box, the test module is fixedly installed in the installation box, a heat exchange plate is fixedly installed on the top of the installation box, a liquid storage tank is fixedly installed on the top of the heat exchange plate, a control panel is fixedly installed on the liquid storage tank, one side of the control panel is located in the liquid storage tank, at least two mutually parallel heat conduction plates are fixedly connected to the top of the other side of the control panel, an air duct is fixedly installed in the containing box, and the air duct is located directly in front of the heat conduction plate.

[0007] The following are further optimizations and / or improvements to the above technical solutions: The above-mentioned mounting plate is fixedly connected in the air guide pipe, an air inlet is arranged in the middle of the mounting plate, and a filter plate is fixedly connected to the air inlet of the mounting plate.

[0008] The mounting plate is tilted and fixedly connected in the air guide duct with the front lower and the rear higher.

[0009] A driving motor is fixedly installed on the front inner wall of the air duct, a transmission shaft is fixedly connected to the driving end of the driving motor, a transmission sleeve is installed on the front of the transmission shaft through a bearing, fan blades are evenly distributed along the circumference on the outer side of the transmission sleeve, first bevel teeth are evenly distributed along the circumference on the inner wall of the transmission sleeve, and first elastic plates corresponding to the first bevel teeth are evenly distributed along the circumference on the transmission shaft at the corresponding position.

[0010] The above-mentioned connecting sleeve is provided at the rear of the mounting plate, and a mounting hole is provided in the middle of the filter plate. The rear end of the transmission shaft passes through the mounting hole and is installed together with the connecting sleeve through a bearing. Second bevel teeth are evenly distributed along the circumference on the inner wall of the connecting sleeve, and second elastic plates corresponding to the second bevel teeth are evenly distributed along the circumference on the transmission shaft at the corresponding position, and the bevel direction of the second bevel teeth is opposite to the bevel direction of the first bevel teeth; a mounting plate is fixedly connected to the connecting sleeve, and a transmission pin is fixedly installed on the outer circumference of the mounting plate, and a hinged rod is hinged on the transmission pin, and air storage boxes are respectively fixedly connected to the air guide ducts on the left and right sides of the corresponding mounting plate, and sliding plates that separate the inner cavity of the air storage box are installed in the air storage box, and both ends of the hinged rod pass through the air storage boxes on both sides and are fixedly connected to the corresponding sliding plates, and an aeration pipe is fixedly installed on the air storage box, and the air outlet end of the aeration pipe faces the filter plate, and the left and right ends of the mounting plate are respectively fixedly connected to the corresponding air storage boxes.

[0011] A sealing ring is fixedly connected to the outer periphery of the sliding plate.

[0012] The above-mentioned baffle plate with an upper opening is fixedly connected to the bottom inner wall of the air duct, the rear end of the baffle plate is fixedly connected to the front lower part of the mounting plate, and a connecting tube is fixedly connected to the bottom of the air duct, and the connecting tube is communicated with the baffle plate.

[0013] A collecting bucket is slidably installed in the containing box, and the collecting bucket is located directly below the connecting tube. A one-way membrane flap is fixedly connected in the connecting tube.

[0014] The above-mentioned two running wheels are installed at the left bottom of the containing box through the shaft, and two running wheels are installed at the right bottom of the containing box through the shaft; or / and, the driving motor is a servo motor.

[0015] The invention has a reasonable and compact structure and is easy to use. Through the coordinated use of the heat exchange plate, the liquid storage tank, the control board and the heat conduction plate, the heat generated by the test module is timely conducted to the heat conduction plate, so as to improve the heat dissipation efficiency of the test module, prevent the internal resistance of the test resistor from being affected by the temperature change and affect the test result, thereby improving the accuracy of the test, having the characteristics of safety, reliability and accurate measurement, facilitating operation and greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 The internal three-dimensional structure of the container of the present invention is shown in FIG. Figure 1 .

[0017] Attached Figure 2 It is a schematic diagram of the three-dimensional structure of the containing box of the present invention.

[0018] Attached Figure 3 The internal three-dimensional structure of the container of the present invention is shown in FIG. Figure 2 .

[0019] Attached Figure 4 It is a schematic diagram of the internal three-dimensional structure of the air duct in the present invention.

[0020] Attached Figure 5 It is a schematic diagram of the three-dimensional structure in which the mounting plate, the baffle plate and the connecting tube are installed together in the present invention.

[0021] Attached Figure 6 It is a three-dimensional structural schematic diagram of a transmission sleeve and a connecting sleeve respectively installed on the transmission shaft in the present invention.

[0022] Attached Figure 7 It is a schematic diagram of the partial cross-sectional structure of the air storage boxes on both sides of the present invention from a rear view.

[0023] The codes in the accompanying drawings are: 1 is a containing box, 2 is a generator, 3 is a test module, 4 is a control board, 5 is a mounting box, 6 is a heat exchange plate, 7 is a liquid storage box, 8 is a heat conduction plate, 9 is an air duct, 10 is a mounting plate, 11 is a filter plate, 12 is a driving motor, 13 is a transmission shaft, 14 is a transmission sleeve, 15 is a fan blade, 16 is a first oblique tooth, 17 is a first elastic plate, 18 is a connecting sleeve, 19 is a mounting hole, 20 is a second oblique tooth, 21 is a second elastic plate, 22 is a mounting plate, 23 is a transmission pin, 24 is a hinged rod, 25 is an air storage box, 26 is a sliding plate, 27 is an aeration pipe, 28 is a baffle plate, 29 is a connecting tube, 30 is a collecting bucket, 31 is a one-way membrane petal, 32 is a shaft, and 33 is a walking wheel. DETAILED DESCRIPTION

[0024] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0025] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached Figure 1 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 1 It is determined by the layout direction.

[0026] The present invention will be further described below in conjunction with embodiments and drawings: As attached Figure 1 , 2As shown in Figures 3 and 4, the mud generator current test device of the drilling instrument includes a containing box 1, a generator 2, a test module 3 and a control board 4; the generator 2 and the installation box 5 are installed in the containing box 1, the test module 3 is fixedly installed in the installation box 5, a heat exchange plate 6 is fixedly installed on the top of the installation box 5, a liquid storage tank 7 is fixedly installed on the top of the heat exchange plate 6, and the control board 4 is fixedly installed on the liquid storage tank 7, one side of the control board 4 is located in the liquid storage tank 7, and at least two mutually parallel heat conduction plates 8 are fixedly connected to the top of the other side of the control board 4, and an air duct 9 is fixedly installed in the containing box 1, and the air duct 9 is located directly in front of the heat conduction plate 8. The generator 2, the test module 3 and the control board 4 are known and commonly used. When working, the coolant is stored in the liquid storage tank 7. The control board 4 is a common semiconductor refrigeration plate. The cold end of the control board 4 is in contact with the coolant, and the hot end of the control board 4 is connected to the bottom surface of the heat conducting plate 8. When the control board 4 is powered on, the heat energy generated by its hot end is transferred to the heat conducting plate 8. At this time, by increasing the air flow rate on the surface of the heat conducting plate 8, the heat dissipation effect of the hot end of the control board 4 is improved, and then the cooling effect of the cold end of the control board 4 is improved. The cooling of the coolant is achieved by cooling the cold end of the control board 4, thereby maintaining the heat exchange plate 6 at the required temperature, reducing the influence of the temperature on the detection resistor as much as possible, and maintaining the accuracy of the measurement during actual use. The heat exchange plate 6 is fixedly installed on the top of the installation box 5, one end of the heat exchange plate 6 is in contact with the heating end of the test module 3, and the other end can extend into the coolant (that is, one end of the heat exchange plate 6 can be made into the bottom plate of the liquid storage tank 7), so as to achieve heat exchange between the heating end of the test module 3 and the coolant. When the electronic components in the test module 3 generate heat, the heat energy is transferred to the coolant through the heat exchange plate 6. When the control board 4 is working, the cold end absorbs the heat inside the coolant and dissipates it from the hot end, thereby transferring the heat generated by the test module 3 to the heat conducting plate 8. There can be multiple heat conducting plates 8, and the multiple heat conducting plates 8 are evenly distributed along the outer wall of the control board 4, so as to increase the contact area between the heat conducting plate 8 and the hot end of the control board 4. Two adjacent heat conducting plates 8 are parallel to each other, and the air flow direction in the air duct 9 is toward the gap between the two adjacent heat conducting plates 8, so that when air flow is generated in the air duct 9, the air speed on the surface of the heat conducting plate 8 is increased, thereby improving the heat dissipation efficiency. One end of the air duct 9 can be fixedly mounted on the inner wall of the container box 1, and the other end can be connected to the heat conducting plate 8. The cavity in the air duct 9 is convenient for the outside air to enter, and there is an air guide port corresponding to the air duct 9 on the container box 1. In this way, through the coordinated use of the heat exchange plate 6, the liquid storage tank 7, the control board 4 and the heat conducting plate 8, the heat generated by the test module 3 can be timely transferred to the heat conducting plate 8, so as to improve the heat dissipation efficiency of the test module 3, prevent the internal resistance of the test resistor from being affected by the temperature change and affect the test result, thereby improving the accuracy of the test, having the characteristics of safety, reliability and accurate measurement, facilitating operation and greatly improving work efficiency.

[0027] According to actual needs, the above-mentioned mud generator current test device of the drilling instrument can be further optimized and / or improved: As attached Figure 4 , 5 As shown in Figures 7 and 8, a mounting plate 10 is fixedly connected in the air duct 9, an air inlet is provided in the middle of the mounting plate 10, and a filter plate 11 is fixedly connected to the air inlet of the mounting plate 10. The mounting plate 10 can be flexibly arranged inside the air duct 9. When the external air passes through the filter plate 11, the dust in the gas is filtered by the filter plate 11, thereby preventing the dust from passing through and adhering to the heat conducting plate 8, thereby reducing the heat conduction efficiency. Among them, the filter plate 11 can be made of a common sponge. The heat exchange plate 6 is used to transfer the heat generated by the test module 3 to the coolant in the liquid storage tank 7, and then to the heat conducting plate 8 through the control board 4. The heat conducting plate 8 is a common copper plate. At this time, the heat dissipation of the heat conducting plate 8 is realized through the air flow in the air duct 9, thereby improving the heat dissipation efficiency of the test module 3, preventing the internal resistance of the test resistor from being affected by temperature changes, and thus improving the accuracy of the test.

[0028] As attached Figure 4 As shown, the mounting plate 10 is tilted and fixedly connected in the air guide pipe 9 with the front lower and the rear higher. In this way, it is convenient to slide the filtered dust along the mounting plate 10 to the bottom of the mounting plate 10.

[0029] As attached Figure 1 , 3 As shown in Figures 4 and 6, a driving motor 12 is fixedly mounted on the front inner wall of the air duct 9, a transmission shaft 13 is fixedly connected to the driving end of the driving motor 12, a transmission sleeve 14 is mounted on the front of the transmission shaft 13 through a bearing, blades 15 are evenly distributed along the circumference on the outer side of the transmission sleeve 14, first oblique teeth 16 are evenly distributed along the circumference on the inner wall of the transmission sleeve 14, and first elastic plates 17 corresponding to the first oblique teeth 16 are evenly distributed along the circumference on the transmission shaft 13 at the corresponding position. The driving motor 12 is fixedly mounted on the inner wall of the air duct 9, and the blades 15 are used to control the air flow in the air duct 9. Through the rotation of the blades 15, airflow is generated in the air duct 9, thereby increasing the air flow speed on the surface of the heat conducting plate 8. There is a gap between the inner wall of the transmission sleeve 14 and the transmission shaft 13, and a first beveled tooth 16 is arranged on the inner wall of the transmission sleeve 14. A first elastic plate 17 for engaging with the first beveled tooth 16 is elastically arranged on the radial outer wall of the transmission shaft 13, and the first elastic plate 17 is made of elastic material. Among them, a plurality of first beveled teeth 16 are evenly arranged along the inner wall of the transmission sleeve 14. When the transmission shaft 13 rotates forward, the first elastic plate 17 engages with the first beveled tooth 16, thereby driving the transmission sleeve 14 and the fan blade 15 to rotate. When the transmission shaft 13 rotates reversely, the first elastic plate 17 and the first beveled tooth 16 slip.

[0030] As attached Figure 4 , 6As shown in Figure 7, a connecting sleeve 18 is provided at the rear of the mounting plate 10, a mounting hole 19 is provided in the middle of the filter plate 11, the rear end of the transmission shaft 13 passes through the mounting hole 19 and is installed together with the connecting sleeve 18 through a bearing, and second bevel teeth 20 are evenly distributed along the circumference on the inner wall of the connecting sleeve 18, and second elastic plates 21 corresponding to the second bevel teeth 20 are evenly distributed along the circumference on the transmission shaft 13 at the corresponding position, and the bevel direction of the second bevel teeth 20 is opposite to the bevel direction of the first bevel teeth 16; a mounting plate 22 is fixedly connected to the connecting sleeve 18, and a mounting plate 22 is fixed on the outer circumference of the mounting plate 22. A driving pin 23 is installed, and a hinged rod 24 is hinged on the driving pin 23. Air storage boxes 25 are fixedly connected to the air guide pipes 9 on the left and right sides of the corresponding mounting plate 22 respectively. A sliding plate 26 is installed in the air storage box 25 to separate the inner cavity of the air storage box 25. Both ends of the hinged rod 24 pass through the air storage boxes 25 on both sides and are fixedly connected with the corresponding sliding plates 26. An aeration pipe 27 is fixedly installed on the air storage box 25, and the air outlet end of the aeration pipe 27 faces the filter plate 11. The left and right ends of the mounting plate 10 are fixedly connected to the corresponding air storage boxes 25 respectively. One end of the aeration pipe 27 is connected to the inner cavity of the air storage box 25, and the other end faces the filter plate 11. The inner cavity of the air storage box 25 is used to store air. The gas inside the air storage box 25 is discharged through the aeration pipe 27 and blows air to the filter plate 11, thereby driving the filter plate 11 to shake. When the gas passes through the filter plate 11, the filter plate 11 shakes to clean the dust attached to the surface of the filter plate 11. The airflow direction generated by the rotation of the fan blade 15 is opposite to the exhaust direction of the aeration pipe 27. In order to reduce the mutual interference of the airflow, when the fan blade 15 rotates, the aeration pipe 27 stops exhausting, and when the aeration pipe 27 exhausts, the fan blade 15 stops rotating. The rotation of the fan blade 15 and the exhaust of the aeration pipe 27 are both powered by the drive motor 12 and are achieved by the different rotation directions of the drive motor 12. The mounting plate 10 is tilted and made of elastic material. The outer wall of the filter plate 11 is fixedly connected to the inner wall of the mounting plate 10. The tilted and elastic mounting plate 10 can facilitate the shaking of the filter plate 11 and drive the dust to fall off when the aeration pipe 27 is exhausted. There is a mounting plate 22 inside the air duct 9. The axial end of the mounting plate 22 is rotatably mounted with a transmission pin 23. The axial direction of the transmission pin 23 is parallel to the axial direction of the mounting plate 22 and has no intersection. Rotating the mounting plate 22 drives the transmission pin 23 to rotate along the axial direction of the mounting plate 22. A hinge rod 24 for connecting the sliding plate 26 is installed on the transmission pin 23. The two ends of the hinge rod 24 are respectively connected to the corresponding sliding plates 26. The sliding plate 26 is driven to reciprocate through the rotation of the mounting plate 22, thereby achieving exhaust of the aeration pipe 27. A sliding plate 26 is slidably installed in the inner cavity of each air storage box 25, and the outer periphery of the sliding plate 26 is sealed and fitted with the inner wall of the air storage box 25. The sliding plate 26 controls the air pressure regulation inside the air storage box 25, thereby controlling the airflow, which is then discharged through the aeration pipe 27 and blown to the filter plate 11 to clean the filter plate 11.The end of the mounting plate 22 facing the filter plate 11 can be set to be a frustum, and a connecting sleeve 18 is fixedly installed. Rotating the connecting sleeve 18 drives the mounting plate 22 to rotate, and the front end of the mounting plate 22 is set to be a frustum, so as to reduce the resistance of the mounting plate 22 to the gas when the fan blade 15 blows air. The inclined surface of the first beveled tooth 16 and the inclined surface of the second beveled tooth 20 are inclined in opposite directions. When the transmission shaft 13 rotates forward, the second elastic plate 21 and the second beveled tooth 20 slip, and the connecting sleeve 18 does not rotate; when the transmission shaft 13 rotates reversely, the second elastic plate 21 engages with the second beveled tooth 20, thereby driving the connecting sleeve 18 and the mounting plate 22 to rotate, realizing the exhaust of the aeration pipe 27, and then achieving the purpose of cleaning the filter plate 11.

[0031] As required, a sealing ring is fixedly connected to the outer periphery of the sliding plate 26. The sealing ring can be a sealing rubber to achieve the purpose of sealing.

[0032] As attached Figure 1 , 3 As shown in Figures 4 and 5, a baffle plate 28 with an upper opening is fixedly connected to the inner wall at the bottom of the air duct 9, and the rear end of the baffle plate 28 is fixedly connected to the lower front part of the mounting plate 10. A connecting tube 29 is fixedly connected to the bottom of the air duct 9, and the connecting tube 29 is connected to the baffle plate 28. The baffle plate 28 is fixedly connected to the inner wall of the air duct 9, and the baffle plate 28 fits the lower part of the mounting plate 10. When the fan blades 15 blow air, the dust filtered by the filter plate 11 will slide along the inclined surface of the mounting plate 10 into the baffle plate 28. When the aeration pipe 27 is blown and cleaned, the dust will also slide along the inclined surface of the mounting plate 10 into the baffle plate 28. The inner cavity of the connecting tube 29 is connected to the inner cavity of the baffle plate 28, and the dust collected in the baffle plate 28 is discharged through the connecting tube 29.

[0033] As attached Figure 1 , 5 As shown, a collecting bucket 30 is slidably installed in the receiving box 1. The collecting bucket 30 is located directly below the connecting tube 29. A one-way membrane flap 31 is fixedly connected in the connecting tube 29. A one-way membrane flap 31 is provided in the inner cavity of the connecting tube 29 to prevent gas from passing through. The one-way membrane flap 31 is made of elastic material, and one end of the one-way membrane flap 31 is fixedly connected to the inner wall of the connecting tube 29. The one-way membrane flap 31 realizes one-way conduction inside the connecting tube 29. When the air flow rate inside the air duct 9 is high, dust in the connecting tube 29 can be prevented from flowing back into the air duct 9. A collecting bucket 30 is slidably installed in the receiving box 1. An opening is provided at the upper end of the collecting bucket 30, and the collecting bucket 30 is located directly below the connecting tube 29. The dust falling from the connecting tube 29 is collected by the collecting bucket 30, and then the collecting bucket 30 is pulled out of the receiving box 1 to facilitate the cleaning of the collecting bucket 30.

[0034] As attached Figure 1 , 2As shown, two running wheels 33 are installed at the bottom of the left side of the container 1 through the shaft 32, and two running wheels 33 are installed at the bottom of the right side of the container 1 through the shaft 32; or / and, the driving motor 12 is a servo motor. Since the rotation direction of the driving motor 12 needs to be adjusted, the driving motor 12 uses a common servo motor.

[0035] The working process of the present invention is as follows: when working, coolant is stored in the liquid storage tank 7, and the current of the mud generator of the drilling instrument is tested through the test module 3. During the test, the electronic components in the test module 3 will generate heat, and the heat energy will be transferred to the coolant through the heat exchange plate 6. The control board 4 starts to work, and the cold end of the control board 4 absorbs the heat inside the coolant, and the heat is transferred to the heat conduction plate 8 through the hot end of the control board 4. The drive motor 12 is started to rotate forward, and the transmission shaft 13 will drive the transmission sleeve 14 and the fan blades 15 to rotate together, and the generated wind will be blown to the heat conduction plate 8 through the filter plate 11 to cool the heat conduction plate 8, thereby realizing the test. The heat generated by the test module 3 is conducted to the heat conducting plate 8 to improve the heat dissipation efficiency of the test module 3 and prevent the internal resistance of the test resistor from being affected by temperature changes and affecting the test results, thereby improving the accuracy of the test; when the dust accumulation on the filter plate 11 seriously affects the cooling effect of the heat conducting plate 8, the drive motor 12 is rotated in the reverse direction, the transmission shaft 13 will drive the connecting sleeve 18 and the mounting plate 22 to rotate together, and then drive the hinge rod 24 to rotate, the hinge rod 24 drives the sliding plate 26 to reciprocate, and the airflow generated in the air storage box 25 is discharged through the aeration pipe 27, so as to clean the filter plate 11, and then the drive motor 12 is rotated forward after cleaning.

[0036] The above technical features constitute the embodiments of the present invention, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A drilling instrument mud generator current test device, characterized in that It includes a containing box, a generator, a test module and a control panel; the generator and the installation box are installed in the containing box, the test module is fixedly installed in the installation box, a heat exchange plate is fixedly installed on the top of the installation box, a liquid storage tank is fixedly installed on the top of the heat exchange plate, a control panel is fixedly installed on the liquid storage tank, one side of the control panel is located in the liquid storage tank, at least two mutually parallel heat conduction plates are fixedly connected to the top of the other side of the control panel, an air duct is fixedly installed in the containing box, and the air duct is located directly in front of the heat conduction plate.

2. The drilling instrument mud generator current test device according to claim 1, characterized in that A mounting plate is fixedly connected inside the air guide duct, an air inlet is arranged in the middle of the mounting plate, and a filter plate is fixedly connected to the air inlet of the mounting plate.

3. The mud generator current testing device for drilling equipment according to claim 2, characterized in that The mounting plate is tilted with the front lower and the rear higher and is fixedly connected in the air guide duct.

4. The mud generator current testing device for drilling equipment according to claim 2 or 3, characterized in that A driving motor is fixedly installed on the front inner wall of the air duct, a transmission shaft is fixedly connected to the driving end of the driving motor, a transmission sleeve is installed on the front of the transmission shaft through a bearing, fan blades are evenly distributed along the circumference on the outer side of the transmission sleeve, first bevel teeth are evenly distributed along the circumference on the inner wall of the transmission sleeve, and first elastic plates corresponding to the first bevel teeth are evenly distributed along the circumference on the transmission shaft at the corresponding position.

5. The drilling instrument mud generator current test device according to claim 4, characterized in that A connecting sleeve is provided at the rear of the mounting plate, and a mounting hole is provided in the middle of the filter plate. The rear end of the transmission shaft passes through the mounting hole and is installed together with the connecting sleeve through a bearing. Second bevel teeth are evenly distributed along the circumference on the inner wall of the connecting sleeve, and second elastic plates corresponding to the second bevel teeth are evenly distributed along the circumference on the transmission shaft at the corresponding position, and the bevel direction of the second bevel teeth is opposite to the bevel direction of the first bevel teeth; a mounting plate is fixedly connected to the connecting sleeve, and a transmission pin is fixedly installed on the outer circumference of the mounting plate, and a hinged rod is hinged on the transmission pin; air ducts on the left and right sides of the corresponding mounting plate are respectively fixedly connected with air storage boxes, and sliding plates that separate the inner cavity of the air storage boxes are installed in the air storage boxes, and both ends of the hinged rod pass through the air storage boxes on both sides and are fixedly connected with the corresponding sliding plates; an aeration pipe is fixedly installed on the air storage box, and the air outlet end of the aeration pipe faces the filter plate, and the left and right ends of the mounting plate are respectively fixedly connected to the corresponding air storage boxes.

6. The drilling instrument mud generator current test device according to claim 5, characterized in that A sealing ring is fixedly connected to the outer periphery of the sliding plate.

7. The mud generator current testing device for drilling equipment according to claim 6, characterized in that A baffle plate with an upper opening is fixedly connected to the bottom inner wall of the air duct, and the rear end of the baffle plate is fixedly connected to the front lower part of the mounting plate. A connecting tube is fixedly connected to the bottom of the air duct, and the connecting tube is communicated with the baffle plate.

8. The mud generator current testing device for drilling equipment according to claim 7, characterized in that A collecting bucket is slidably installed in the accommodating box. The collecting bucket is located directly below the connecting cylinder. A one-way membrane flap is fixedly connected in the connecting cylinder.

9. The mud generator current testing device for drilling equipment according to claim 4, characterized in that Two running wheels are installed at the bottom of the left side of the containing box through an axis, and two running wheels are installed at the bottom of the right side of the containing box through an axis; or / and, the driving motor is a servo motor.

10. The mud generator current testing device for drilling equipment according to claim 5, 6, 7 or 8, characterized in that Two running wheels are installed at the bottom of the left side of the containing box through an axis, and two running wheels are installed at the bottom of the right side of the containing box through an axis; or / and, the driving motor is a servo motor.

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