Movable pressure building curve surveying and mapping instrument

Abstract

The utility model discloses a movable type pressure building curve surveying instrument which comprises an opening and closing box body and a pressure sensor, an integrated system and a display module which are connected with each other are arranged in the opening and closing box body, the pressure sensor is connected with the integrated system through a signal line, and a protection assembly is further arranged in the opening and closing box body. A signal line accommodating groove is formed in the protection assembly and is used for accommodating a signal line; and a movable water absorption cleaning assembly is arranged in the storage groove. The movable water absorption cleaning assembly is arranged in the protection assembly, automatic cleaning of the signal line in the signal line containing groove is achieved, residual water drops on the signal line are collected, corrosive stains are removed through friction, the service life of the signal line is prolonged, and the safety of other devices in the opening and closing box body is improved.

Description

Technical Field

[0001] This utility model relates to the field of oilfield testing equipment technology, specifically a mobile pressure curve mapping instrument. Background Technology

[0002] After oilfield development enters the high water-cut stage, oil well production faces numerous challenges. With the increasing water content in oil wells, the working environment of deep well pumps deteriorates significantly, leading to frequent pump failures primarily due to corrosion and uneven wear. These failures severely impact the normal production operation of oil wells, reduce oil production efficiency, and increase maintenance costs. Therefore, a thorough understanding and monitoring of the operating status of deep well pumps, and the timely detection and resolution of faults, have become key tasks in oil well production management. As a crucial piece of equipment in oil well production, the performance of deep well pumps directly affects the production efficiency and stability of the oil well. During the high water-cut stage, water corrosion accelerates equipment aging and damage, while uneven wear leads to uneven wear of pump mechanical components, further affecting pump efficiency and lifespan. To address these issues, effective monitoring and diagnostic methods must be adopted to ensure the normal operation of deep well pumps.

[0003] Wellhead pressure analysis is a commonly used method for diagnosing the operating conditions of deep well pumps. By monitoring and analyzing the wellhead pressure, the operating status and cause of failure of the deep well pump can be quickly determined. This method has the advantages of being simple to operate, fast, and efficient, and is suitable for real-time monitoring and fault diagnosis under field conditions. Specifically, when a deep well pump malfunctions, the wellhead pressure will change abnormally. By analyzing these pressure changes, the type and location of the fault can be inferred, thereby enabling the development of reasonable maintenance and recovery measures.

[0004] Currently, well pressure testing is conducted manually. Typically, one person operates the pumping unit to start and stop, while another operates the backpressure valve at the wellhead, simultaneously using a stopwatch to record the wellhead oil pressure at different times. The recorded time-pressure data is then used to plot the well pressure testing curve. Based on current field experience, the following shortcomings exist: First, the amount of manually recorded pressure testing data is insufficient, resulting in low accuracy of the plotted curve. When the oil pressure changes too rapidly, the manually recorded data is even less, making it impossible to accurately plot a complete pressure testing curve. Second, the current well pressure testing operation requires two people to complete, consuming significant manpower.

[0005] Those skilled in the art have conducted extensive research on the aforementioned issues.

[0006] For example, CN219179111U discloses a mobile testing box. By centrally installing the operating tool table, pressure testing mechanism, and lifting mechanism required for testing, pressure testing, and maintenance inside the opening and closing box, the opening and closing box can achieve an integrated function. It can be transported with corresponding container vehicles and can be used for operations on the oilfield site. The lifting mechanism consists of rails and chain hoists. The lifting equipment is mainly used to conveniently transfer high-pressure pipe valves inside the testing box. The operating table is equipped with joint fixing fixtures and bench vises, etc., and uses special tools placed inside to test and maintain high-pressure pipe valves. The pressure testing mechanism provides high pressure for testing high-pressure pipe valves. The data acquisition system can collect pressure and generate pressure curves.

[0007] For example, publication number CN201221350Y discloses an oil well pressure test recorder using GPS positioning technology. The hardware consists of an intelligent host, a GPS receiver module, a data acquisition module, and a pressure sensor. The data acquisition module is connected to the USB host interface of the intelligent host via a USB cable, the GPS receiver module is connected to the RS232C interface of the intelligent host via an RS232 cable, and the data acquisition module is connected to the pressure sensor via a pressure sensor cable. The GPS receiver is controlled to locate the coordinates of each oil well to be tested, and the location results, along with the corresponding well name information, are stored in the database of the intelligent host. Access control for the well location database on the intelligent host is implemented using a password; only users with administrator privileges can modify or write to the database.

[0008] When storing the equipment after pressure testing, if the signal cables are not cleaned properly, residual droplets will remain on the surface of the signal cables, reducing their lifespan. Furthermore, droplets will condense in the storage box. If these droplets enter the data analysis equipment, they can cause damage to the equipment or even data loss.

[0009] As disclosed in announcement number CN118008254A, a mobile instrument testing device includes a trolley case, a temperature detection unit, a pressure detection unit, an electrical parameter measuring instrument, a dynamometer, a laptop computer, and a remote terminal unit. The temperature detection unit, the pressure detection unit, the electrical parameter measuring instrument, the dynamometer, the laptop computer, and the remote terminal unit are disposed inside the trolley case. The interior of the trolley case is divided into sections and uses custom-made grooves made of EVA foam to facilitate the integration of various testing equipment, a laptop computer, two RTUs, and various tools.

[0010] The existing technology uses a sponge inside the suitcase to absorb water and protect the signal cable. However, the sponge cannot move and cannot clean the signal cable by friction. In oilfield environments, there are many corrosive substances. If the operator does not notice the corrosive stains, it will affect the lifespan of the signal cable.

[0011] In summary, the technical solutions, technical problems to be solved, and beneficial effects of the above-disclosed technologies are all different from those of this utility model. For more technical features, technical problems to be solved, and beneficial effects of this utility model, the above-disclosed technical documents do not provide any technical inspiration. Utility Model Content

[0012] In view of the above-mentioned defects in the existing technology, the purpose of this utility model is to provide a mobile pressure curve mapping instrument.

[0013] To achieve the above objectives, the present invention adopts the following technical solution:

[0014] A mobile pressure curve mapping instrument includes an opening and closing housing and a pressure sensor. The opening and closing housing houses an interconnected integrated system and a display module. The pressure sensor is connected to the integrated system via a signal line. The opening and closing housing also houses a protective component. The protective component has a signal line storage slot for storing the signal line. The storage slot contains a moving water-absorbing cleaning component.

[0015] Furthermore, the protective assembly includes a lower protective assembly and an upper protective assembly, wherein the lower protective assembly and the upper protective assembly are engaged and connected.

[0016] Specifically, the motion-operated water-absorbing cleaning assembly includes a hammer, a turntable, and a water-absorbing brush;

[0017] Specifically, an annular signal line storage groove is provided on the side of the lower protection component that is in contact with the upper protection component; a disc-shaped circular groove is provided on the lower end face of the upper protection component; the circular groove is concentric with the signal line storage groove.

[0018] Specifically, a hammer pendulum is movably connected to the center of the circular groove via a rotating shaft. The hammer pendulum can rotate around the rotating shaft. The lower end face of the hammer pendulum is detachably connected to a turntable. The lower end face of the turntable is arrayed with water-absorbing brushes.

[0019] Furthermore, a fixing pin is provided on the lower end face of the lower protection component, and a connecting groove is provided on the upper end face of the upper protection component. The lower protection component and the upper protection component are fixedly connected by the engagement of the fixing pin and the connecting groove.

[0020] Furthermore, the water-absorbing brushes are arranged in a circular array, and the brush heads of the water-absorbing brushes are flat and contain sponge material with gaps.

[0021] Furthermore, the integrated system includes a control panel, a lower fixing plate, a main unit, and a storage battery;

[0022] Specifically, the control panel is embedded in the top of the lower fixed plate, the main unit and the battery are fixed to the bottom of the lower fixed plate, the control panel is electrically connected to the control system inside the main unit, and the battery supplies power to the various modules inside the main unit.

[0023] Furthermore, the display module includes a display screen and an upper fixing plate;

[0024] Specifically, the display screen is embedded in the surface of the upper fixing plate, the display screen is connected to the video output interface inside the host through a signal transmission line, and the pressure sensor is connected to the parameter input interface inside the host through a signal line.

[0025] Furthermore, the upper fixing plate is connected to the inside of the box cover via a buffer assembly;

[0026] Specifically, the lower fixing plate is connected to the inside of the housing via a buffer assembly;

[0027] Specifically, the upper fixing plate and the lower fixing plate have the same dimensions.

[0028] Furthermore, the buffer assembly includes a support rod, a spring, a connecting sleeve, and a locking knob;

[0029] Specifically, the support rod is a cylindrical rod, and the support rod is fixed to the inner wall of the box body or box cover;

[0030] Specifically, the spring is sleeved on the outer wall of the support rod;

[0031] Specifically, the locking knob is threaded onto the top end of the support rod;

[0032] Specifically, the connecting sleeve is slidably fitted onto the outer wall of the support rod. The connecting sleeve is located between the spring and the locking knob. The outer wall of the connecting sleeve has a groove with the same thickness as the lower fixing plate. The connecting sleeve is connected to the upper fixing plate or the lower fixing plate through the groove.

[0033] Furthermore, the lower end face of the lower protection component has a cavity that fits into the integrated system;

[0034] Specifically, the upper end face of the upper protective component has a cavity that fits into the display module;

[0035] Specifically, during storage, the protective component is placed between the integrated system and the display module.

[0036] Furthermore, the host computer integrates a microcontroller, a voice alarm module, and a wireless transmission module.

[0037] Compared with the prior art, the present invention has the following advantages:

[0038] 1. This utility model achieves automatic cleaning of signal cables in the signal cable storage slot by setting a hammer pendulum in the protective component, connecting a turntable under the hammer pendulum, and setting a ring array of water-absorbing brushes on the surface of the turntable. It collects residual water droplets on the signal cables, removes corrosive stains, extends the service life of the signal cables, and improves the safety of other equipment in the opening and closing box.

[0039] 2. This utility model is an integrated system that uses modern electronic technology to achieve automatic and high-precision pressure acquisition. It is easy to carry and operate, and realizes automatic, high-precision, and high-density data acquisition of oil well pressure during oil well pressurization.

[0040] 3. The voice alarm module of this utility model can prompt operators to shut down the pumping unit in time, thereby reducing the number of workers required for oil well pressure control and lowering labor costs; the Zigbee module enables remote data transmission and automatic storage of collected data; the display screen shows real-time data and curves, which facilitates on-site observation of oil well pressure data and data quality control by operators. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the structure of the mobile pressure curve mapping instrument of this utility model;

[0042] Figure 2 This is a schematic diagram of the display module in this utility model;

[0043] Figure 3 This is a schematic diagram of the integrated system in this utility model;

[0044] Figure 4 This is a schematic diagram of the structure of the buffer component in this utility model;

[0045] Figure 5 This is a schematic diagram of the storage design of this utility model;

[0046] Figure 6 This is a schematic diagram of the protective component in this utility model;

[0047] Figure 7 This is a schematic diagram of the cleaning component in this utility model;

[0048] Figure 8 This is a schematic diagram of the structure of the turntable in this utility model;

[0049] Figure 9 This is one model option for which original components can be purchased;

[0050] Figure 10 This is a schematic diagram of the operation of the Zigbee wireless transmission module in this utility model.

[0051] In the diagram: 1. Box body; 2. Box cover; 3. Display module; 31. Display screen; 32. Upper fixing plate; 4. Integrated system; 41. Control panel; 42. Lower fixing plate; 43. Main unit; 44. Battery; 5. Handle; 6. Signal cable; 7. Pressure sensor; 8. Buffer assembly; 81. Support rod; 82. Spring; 83. Connecting sleeve; 84. Slot; 85. Locking knob; 9. Protective assembly; 91. Lower protective assembly; 92. Upper protective assembly; 93. Fixing pin; 94. Connecting groove; 95. Signal cable storage groove; 96. Circular groove; 97. Hammer swing piece; 98. Turntable; 99. Water absorption brush. Detailed Implementation

[0052] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0053] Example 1:

[0054] Please see Figure 1 , Figure 2 , Figure 3 , Figure 9 The mobile pressure curve mapping instrument provided by this utility model includes an opening and closing box and a pressure sensor 7. The opening and closing box includes a box body 1 and a box cover 2. The box body 1 and the box cover 2 are connected by a hinge assembly. A handle 5 is connected to the middle of the front of the box body 1. An integrated system 4 is set inside the box body 1. The pressure sensor 7 is connected to the integrated system 4 through a signal line 6.

[0055] Specifically, a pressure sensor 7 is provided at one end of the signal line 6, and an electrical connector is provided at the other end for connection to the integrated system.

[0056] Furthermore, the integrated system 4 includes a control panel 41, a lower fixing plate 42, a host 43, and a battery 44; the control panel 41 is embedded in the top of the lower fixing plate 42, the host 43 and the battery 44 are fixed to the bottom of the lower fixing plate 42, the control panel 41 is electrically connected to the control system inside the host 43, and the battery 44 supplies power to the various modules inside the host 43.

[0057] Specifically, the host 43 integrates a microcontroller, a voice alarm module, and a Zigbee wireless transmission module.

[0058] The microcontroller has such as Figure 10 The control program shown.

[0059] Specifically, the host 43 and the battery 44 are arranged side by side.

[0060] Furthermore, a display module 3 is provided inside the cover 2. The display module 3 includes a display screen 31 and an upper fixing plate 32. The display screen 31 is embedded in the surface of the upper fixing plate 32. The display screen 31 is connected to the video output interface inside the host 43 through a signal transmission line. The pressure sensor 7 is connected to the parameter input interface inside the host 43 through a signal line 6.

[0061] Specifically, the four corners of the upper fixing plate 32 are connected to the inside of the box cover 2 through the buffer assembly 8, and the four corners of the lower fixing plate 42 are connected to the inside of the box body 1 through the buffer assembly 8. The upper fixing plate 32 and the lower fixing plate 42 have the same size specifications.

[0062] Furthermore, such as Figure 5 As shown, the interior of the hinged box, consisting of the box body 1 and the box cover 2, is equipped with a protective component 9. The protective component 9 includes a lower protective component 91 and an upper protective component 92. The lower end face of the lower protective component 91 has a cavity that fits into the integrated system 4, and the upper end face of the upper protective component 92 has a cavity that fits into the display module 3. The lower protective component 91 and the upper protective component 92 are snap-fitted together. When stored, the protective component is placed between the integrated system 4 and the display module 3 to fill the space between the integrated system 4 and the display module 3 and prevent shaking.

[0063] Specifically, the lower protective component 91 is provided with a fixing pin 93 on its lower end face, and the upper protective component 92 is provided with a connecting groove 94 on its upper end face. The lower protective component 91 and the upper protective component 92 are fixedly connected by the engagement of the fixing pin 93 and the connecting groove 94.

[0064] By setting up protective component 9, the internal components of the equipment can be further protected, preventing loose parts in the opening and closing box from damaging the electronic components inside the opening and closing box when the box is moved.

[0065] The microcontroller is a general-purpose microcontroller, the display screen 31 is an LED-controlled LCD screen, the battery 44 is a lithium-ion battery, the body 1, the cover 2, and the protective components 9 are all made of engineering plastics, and the pressure sensor 7 is a high-precision pressure sensor. It should be noted that the voice alarm module, Zigbee wireless transmission module, high-precision pressure sensor, general-purpose microcontroller, LED-controlled LCD screen, and lithium-ion battery are all existing technologies and can be purchased. Those skilled in the art are aware of this. The working process of the Zigbee wireless transmission module is as follows: Figure 10 As shown.

[0066] Furthermore, such as Figure 6 , Figure 7 , Figure 8 As shown, an annular signal line storage groove 95 is provided on the side of the lower protective component 91 that is in contact with the upper protective component 92. A disc-shaped circular groove 96 is provided on the lower end face of the upper protective component 92. The circular groove 96 is concentric with the signal line storage groove 95. A hammer pendulum 97 is movably connected to the center of the circular groove 96 through a rotating shaft. The hammer pendulum 97 can rotate around the rotating shaft. A turntable 98 is detachably connected to the lower end face of the hammer pendulum 97 through screws. A water-absorbing brush 99 is arranged in an array on the lower end face of the turntable 98.

[0067] Specifically, the water-absorbing brushes 99 are arranged in a circular array, and the brush heads of the water-absorbing brushes 99 are flat and have gaps in the sponge material.

[0068] By setting up a signal cable storage slot 95, the wound-up signal cable 6 can be stored, realizing the integration of all components and improving the portability of the device; then, the water-absorbing brush 99 absorbs the moisture on the surface of the signal cable 6, keeping the signal cable 6 dry and extending its service life.

[0069] When using this device, the original pressure gauge is removed, and then the pressure sensor 7 is installed at the pressure detection port and tightened with a wrench. The curve is plotted by operating the buttons on the control panel 41. The back pressure gate is closed, and the pumping unit is started to build up pressure. When the pressure reaches about 3MPa on the display module, pumping is stopped, and pressure changes are observed. Pumping is stopped for 10 minutes, and pressure changes are observed again. Throughout the process, the system automatically records the pressure parameters for each time period based on the pressure changes and plots them into a pressure buildup curve. The pressure buildup curve is directly displayed through the display module 3. The pressure buildup curve can also be sent to the PCS terminal for observation via the Zigbee wireless transmission module.

[0070] Before testing, a threshold setting was performed on the voice alarm module. When the pressure exceeds the threshold, a warning is issued to the operator to avoid safety hazards caused by delayed stopping of pumping due to excessive reaction time.

[0071] After operation, the signal cable 6 is wound into a ring and placed inside the signal cable storage slot 95. Then, the upper protection component 92 and the lower protection component 91 are connected and installed inside the opening and closing box. The operator lifts the opening and closing box by the handle 5. As the opening and closing box swings with the hand, the hammer pendulum 97 inside the circular slot 96 swings due to inertia and drives the turntable 98 to rotate alternately in both directions. The turntable 98 drives the water-absorbing brush 99 to wipe and absorb water from the outer surface of the signal cable 6. The gap at the end face of the water-absorbing brush 99 allows the flat part of the water-absorbing brush 99 to enter the gap between the signal cable 6. By setting the water-absorbing brush 99, the signal cable 6 can be automatically cleaned during equipment movement, keeping the signal cable 6 dry, removing corrosive stains, extending the service life of the signal cable 6, and preventing water residue on the outer surface of the signal cable 6 from damaging the internal components of the equipment. During equipment maintenance, the turntable 98 is disassembled to clean the water-absorbing brush 99.

[0072] This device is portable, easy to assemble and disassemble, and features automated pressure acquisition. Its application not only reduces the workload of operators and ensures their safety, but also effectively improves the well opening rate. By generating a complete pressure curve in one operation and combining it with a synchronous dynamometer card, it can accurately analyze and judge downhole faults in oil wells, solving the problem of inaccurate judgment of pump conditions using a single dynamometer card method, thereby improving the progress of well maintenance and repair. After well handover, the device can also accurately verify the working status of the well after opening. During equipment recovery, the signal line 6 can be automatically cleaned, keeping it dry, removing corrosive stains, extending its service life, and preventing residual water on its outer surface from damaging internal components.

[0073] Example 2:

[0074] Based on Example 1, such as Figure 4 As shown, the buffer assembly 8 includes a support rod 81, a spring 82, a connecting sleeve 83, a slot 84, and a locking knob 85. The support rod 81 is a cylindrical rod and is fixed to the inner wall of the box body 1 or the box cover 2. The spring 82 is sleeved on the outer wall of the support rod 81. The locking knob 85 is threaded to the top end of the support rod 81. The connecting sleeve 83 is slidably sleeved on the outer wall of the support rod 81 and is located between the spring 82 and the locking knob 85. The outer wall of the connecting sleeve 83 has a slot 84 with the same thickness as the lower fixing plate 42. The connecting sleeve 83 is sleeved on the round hole opened at the corner of the upper fixing plate 32 or the lower fixing plate 42 through the slot 84.

[0075] Specifically, the support rod 81 is integrally injection molded with the box body 1 or the box cover 2.

[0076] By using buffer components 8 to fix the upper fixing plate 32 and the lower fixing plate 42 at the four corners, the display module 3 and the integrated system 4 inside the device will not come into contact with its inner wall surface. When the device is impacted, the upper fixing plate 32 and the lower fixing plate 42 can also be buffered, thus protecting the internal components.

[0077] Furthermore, a rubber pad is provided between the spring 82 and the connecting sleeve 83 to absorb vibration energy and reduce vibration by utilizing the damping characteristics of the rubber pad.

[0078] Example 3:

[0079] Based on Example 1 or Example 2, in order to better utilize the mobile pressure curve mapping instrument, this example provides the following usage method, including the following steps:

[0080] Step 1: Shut down the pumping unit, with the pumping unit head at the top dead center;

[0081] In the first step, when shutting down the pumping unit, stop the pumping head at the top dead center to avoid sand blockage in the sand well.

[0082] Step 2: Record the reading of the wellhead pressure gauge, close the pressure gauge valve, remove the pressure gauge, install the pressure sensor 7 on the pressure gauge valve and tighten it with a wrench, and open the pressure gauge valve.

[0083] In the second step, pressure sensor 7 is installed at the wellhead pressure gauge or via a connector onto the sampling cock. When pressure sensor 7 is installed at the wellhead pressure gauge, the pressure gauge reading is recorded before removing the pressure gauge.

[0084] Step 3: Compare the pressure displayed by the mobile pressure curve plotter with the recorded pressure gauge readings, test and set the volume of the voice alarm sound, and set the pressure threshold for the voice alarm.

[0085] In the third step, the pressure of the mobile pressure curve plotter is compared with the pressure displayed on the recorded pressure gauge to verify that the pressure sensor 7 is working properly; the volume of the voice alarm is tested and set so that the alarm sound can be clearly heard when the pumping unit is started and stopped at the tail end; the pressure threshold of the voice alarm is generally set at about 3MPa.

[0086] Step 4: Close the back pressure gate.

[0087] Step 5: Start the surveying instrument by operating the buttons on the control panel to begin data collection.

[0088] Step 6: Start and stop the pumping unit to pressurize;

[0089] In step six, after starting the pumping unit, when the wellhead pressure rises to the pressure threshold of the voice alarm, the mobile pressure curve mapping instrument will sound an alarm and immediately shut down the pumping unit. When shutting down the pumping unit, try to avoid stopping the pumping head at the bottom dead center to prevent sand blockage in sand-producing wells.

[0090] Step 7: Observe whether the pressure curve is qualified;

[0091] In step seven, the pressure changes are observed again about 10 minutes after the pumping stops. Throughout the process, the system automatically records the pressure parameters at each time point and plots them as a pressure build-up curve. If the pressure build-up curve is not up to standard, the back pressure valve is opened and steps four, five, and six are repeated to collect the pressure build-up data again.

[0092] Step 8: Open the back pressure gate, remove the pressure sensor 7 from the pressure detection port, and retrieve the mobile pressure curve plotter.

[0093] Step 9: Start the oil pumping unit.

[0094] All components not discussed in detail in this application, as well as the connection methods of these components, are well-known technologies in this field. They can be directly applied and will not be elaborated further.

[0095] In this utility model, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0096] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0097] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0098] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mobile pressure curve mapping instrument, comprising an opening and closing housing and a pressure sensor, wherein an interconnected integrated system and a display module are disposed within the opening and closing housing, and the pressure sensor is connected to the integrated system via a signal line, characterized in that, The opening and closing box is also equipped with protective components; The protective component is provided with a signal cable storage slot for storing signal cables; The storage compartment is equipped with a moving water-absorbing cleaning component.

2. The mobile pressure curve mapping instrument according to claim 1, characterized in that, The protective assembly includes a lower protective assembly and an upper protective assembly, wherein the lower protective assembly and the upper protective assembly are engaged and connected. The motion-assisted water-absorbing cleaning component includes a hammer, a turntable, and a water-absorbing brush. The lower protection component has an annular signal line storage groove on the side that is in contact with the upper protection component; the lower end face of the upper protection component has a disc-shaped groove; the groove is concentric with the signal line storage groove. The hammer pendulum is movably connected to the center of the circular groove via a rotating shaft. The hammer pendulum can rotate around the rotating shaft. The lower end face of the hammer pendulum is detachably connected to a turntable. The lower end face of the turntable is provided with an array of water-absorbing brushes.

3. The mobile pressure curve mapping instrument according to claim 2, characterized in that, The lower protective component is provided with a fixing pin on its lower end face, and the upper protective component is provided with a connecting groove on its upper end face. The lower protective component and the upper protective component are fixedly connected by the engagement of the fixing pin and the connecting groove.

4. The mobile pressure curve mapping instrument according to claim 2, characterized in that, The water-absorbing brushes are arranged in a circular array, and the brush heads are flat and have gaps in the sponge material.

5. The mobile pressure curve mapping instrument according to claim 2, characterized in that, The integrated system includes a control panel, a lower fixing plate, a main unit, and a battery; The control panel is embedded in the top of the lower fixed plate, and the main unit and the battery are fixed to the bottom of the lower fixed plate. The control panel is electrically connected to the control system inside the main unit, and the battery supplies power to the various modules inside the main unit.

6. The mobile pressure curve mapping instrument according to claim 5, characterized in that, The display module includes a display screen and an upper fixing plate; The display screen is embedded in the surface of the upper fixing plate. The display screen is connected to the video output interface inside the host through a signal transmission line. The pressure sensor is connected to the parameter input interface inside the host through a signal line.

7. The mobile pressure curve mapping instrument according to claim 6, characterized in that, The upper fixing plate is connected to the inside of the box cover via a buffer assembly; The lower fixing plate is connected to the inside of the box body through a buffer assembly; The upper fixing plate and the lower fixing plate have the same dimensions and specifications.

8. The mobile pressure curve mapping instrument according to claim 7, characterized in that, The buffer assembly includes a support rod, a spring, a connecting sleeve, and a locking knob; The support rod is a cylindrical rod, and the support rod is fixed to the inner wall of the box body or box cover; The spring is sleeved on the outer wall of the support rod; The locking knob is threaded onto the top end of the support rod; The connecting sleeve is slidably fitted onto the outer wall of the support rod. The connecting sleeve is located between the spring and the locking knob. The outer wall of the connecting sleeve has a groove with the same thickness as the lower fixing plate. The connecting sleeve is connected to the upper fixing plate or the lower fixing plate through the groove.

9. The mobile pressure curve mapping instrument according to any one of claims 2-8, characterized in that, The lower end face of the lower protection component has a cavity that fits into the integrated system; The upper end face of the upper protective component has a cavity that fits into the display module; When stored, the protective component is placed between the integrated system and the display module.

10. The mobile pressure curve mapping instrument according to any one of claims 5-8, characterized in that, The host computer integrates a microcontroller, a voice alarm module, and a wireless transmission module.

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