Linear displacement sensor stator assembly with built-in cooling pipeline
Through the design of the built-in cooling pipeline and stopping pressure plate combination in the online displacement sensor, the problem of uneven heat in extreme temperature environments is solved, efficient cooling and structural stability are achieved, and the stability and accuracy of the sensor are improved.
Patent Information
- Application Number
- CN202421103405.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-20
AI Technical Summary
Existing linear displacement sensors are unevenly heated at both ends under extreme temperature environments, resulting in thermal stress, which may damage the internal structure, affect measurement accuracy and service life, and external cooling equipment increases system volume and operating costs, affecting measurement accuracy and stability.
A line displacement sensor static sub-assembly with built-in cooling pipeline is designed. By setting a cooling tube in the housing and using a combination of a stopper and a stopper ring, the cooling tube is ensured to be stable and fixed, and a high-temperature resistant lead wire and Sealed joints for efficient internal cooling and electrical performance maintenance.
It effectively reduces thermal stress, improves the stability and service life of the sensor, enhances the stability and electrical performance of the structure, and ensures high accuracy and long life under high temperature environments.
Smart Images
Figure CN222231609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sensors, in particular to a stator assembly of a linear displacement sensor with a built-in cooling pipeline. Background Art
[0002] In the field of sensor technology, linear displacement sensors are widely used to measure parameters such as the position, displacement or length of an object. However, during the use of existing linear displacement sensors, especially in an environment where one end is exposed to low-temperature fuel and the other end is exposed to high-temperature air, or in an environment of high-temperature fuel and low-temperature air, the two ends are often heated unevenly. This uneven heating will cause thermal stress inside the sensor, and in severe cases may even damage the internal structure of the sensor, thereby affecting its measurement accuracy and service life.
[0003] In addition, temperature differences will also affect the resistance of the enameled wire inside the sensor, which will cause errors in the output of the measurement circuit. This error is unacceptable in precision measurement and control systems because it may directly affect the performance and stability of the entire system.
[0004] To solve the above problems, the traditional solution is usually to add additional cooling equipment outside the sensor, such as cooling fans or radiators. However, these external cooling devices not only increase the volume and weight of the entire system, but may also increase operating costs due to the need for additional energy supply. At the same time, the presence of external cooling equipment may also have an adverse effect on the measurement accuracy and stability of the sensor. Utility Model Content
[0005] The purpose of the utility model is to provide a linear displacement sensor stator assembly with a built-in cooling pipeline to solve the problem of uneven heating at both ends in the environment where one end is in contact with low-temperature fuel and the other end is exposed to high-temperature air, or in an environment of high-temperature fuel and low-temperature air. This uneven heating will cause thermal stress inside the sensor, and in severe cases may even damage the internal structure of the sensor, thereby affecting its measurement accuracy and service life.
[0006] To achieve the above-mentioned purpose, the utility model provides a stator assembly of a linear displacement sensor with a built-in cooling pipeline, comprising a shell, a slot is provided on one side of the shell, a cooling pipe is provided in the slot, a coil assembly is provided inside the shell, a stopping pressure plate is installed at the outer end of the cooling pipe, a stopping pressure ring is installed at the outer side of the stopping pressure plate, a rear end cover is installed at the outer side of the stopping pressure ring, the shape of the rear end cover is adapted to the end shape of the shell, a mounting plate is welded to the outer side of the shell, and the mounting plate is fixed to an external device by bolts.
[0007] Preferably, one end of the cooling pipe is welded and fixed to the slotted bottom of the shell.
[0008] Preferably, one end of the stop pressure piece is provided with a protruding end, and the protruding end is inserted into a groove on one side of the shell.
[0009] Preferably, a rear end cover plug sleeve is installed in the middle part of the outer side of the stop pressure ring, and an opening is opened on the surface of the rear end cover. The rear end cover plug sleeve passes through the opening and is sealed by the rear end cover plug.
[0010] Preferably, one side of the stop pressure ring is provided with an external thread, the outer side of the stop pressure plate is provided with an internal thread, and the stop pressure ring is threadably connected to the stop pressure plate.
[0011] Preferably, a wire outlet is provided on one side of the upper portion of the housing, a high temperature resistant lead-out wire is provided at the wire outlet, and a sealing joint is installed near the wire outlet near the high temperature resistant lead-out wire.
[0012] Preferably, the gap between the rear end cover plug sleeve and the rear end cover is sealed by vacuum glue pouring.
[0013] Preferably, a slot is provided on one side of the stop pressure plate close to the coil assembly, and the end of the coil assembly is inserted into the slot.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] The stator assembly of the linear displacement sensor with built-in cooling pipe provided by the utility model effectively solves the problem of uneven heating at both ends of the sensor in extreme temperature environments through innovative structural design. The assembly cleverly integrates the cooling pipe into the slot of the shell, realizes effective cooling of the inside of the sensor, reduces the potential damage of thermal stress to the sensor structure, and thus significantly improves the stability and service life of the sensor.
[0016] In addition, the component also ensures the stability of the internal components of the sensor by optimizing the structure, such as the combination of the stopper pressure plate and the stopper pressure ring, further enhancing the reliability of the sensor. At the same time, the setting of high temperature resistant lead wires and sealed joints enables the sensor to maintain good electrical performance and sealing in high temperature environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0019] Figure 3 This is one of the schematic diagrams for use of the utility model;
[0020] Figure 4 This is the second schematic diagram of the use of the present utility model.
[0021] The meaning of each number in the figure is:
[0022] 1. Shell; 2. Coil assembly; 3. Cooling pipe; 4. Stop pressure plate; 5. Stop pressure ring; 6. Rear end cover plug sleeve; 7. Rear end cover; 8. Rear end cover plug; 9. Sealing joint; 10. High temperature resistant lead wire. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] The utility model provides a linear displacement sensor stator assembly with a built-in cooling pipeline, such as Figure 1-Figure 4 As shown, it includes a housing 1, a slot is provided on one side of the housing 1, a cooling pipe 3 is provided in the slot, a coil assembly 2 is provided inside the housing 1, a stopper pressing plate 4 is installed on the outer end of the cooling pipe 3, a stopper pressing ring 5 is installed on the outer side of the stopper pressing plate 4, a rear end cover 7 is installed on the outer side of the stopper pressing ring 5, and the shape of the rear end cover 7 is adapted to the shape of the end of the housing 1, a mounting plate is welded on the outer side of the housing 1, and the mounting plate is fixed to the external device by bolts. By cleverly arranging the cooling pipe 3 in the slot provided on one side of the housing 1, direct cooling inside the sensor is achieved. This built-in cooling pipeline design can quickly take away the heat generated by the sensor when it is working, effectively improve the heat dissipation efficiency of the sensor, and ensure that it maintains stability and high precision during continuous operation. The outer end of the cooling pipe 3 is firmly fixed by the stopper pressing plate 4 and the stopper pressing ring 5. This design not only ensures the stability and sealing of the cooling pipe 3, but also makes the entire sensor structure more compact and stable. This stability design helps the sensor maintain high performance and long life in harsh working environments. The shape of the rear end cover 7 is perfectly adapted to the shape of the end of the housing 1, ensuring the overall sealing and easy installation characteristics of the sensor. At the same time, the mounting plate welded on the outside of the housing 1 enables the sensor to be conveniently fixed to external equipment by bolts. This design simplifies the installation process and improves the integration efficiency of the sensor in various application scenarios.
[0025] In this embodiment, one end of the cooling pipe 3 is welded and fixed to the slotted bottom of the housing 1 , so as to facilitate the installation and fixation of the cooling pipe 3 .
[0026] Specifically, one end of the stop pressure piece 4 is provided with a protruding end, and the protruding end is inserted into a groove on one side of the housing 1 to facilitate the installation and positioning of the stop pressure piece 4.
[0027] Furthermore, a rear end cover plug sleeve 6 is installed in the middle of the outer side of the stop pressure ring 5 , and an opening is opened on the surface of the rear end cover 7 , and the rear end cover plug sleeve 6 passes through the opening and is sealed by the rear end cover plug 8 .
[0028] Furthermore, one side of the stop pressure ring 5 is provided with an external thread, and the outer side of the stop pressure plate 4 is provided with an internal thread. The stop pressure ring 5 is threadedly connected to the stop pressure plate 4, which facilitates the installation and fixation of the stop pressure plate 4.
[0029] Furthermore, a wire outlet is provided on one side of the upper portion of the housing 1, a high temperature resistant lead wire 10 is provided at the wire outlet, and a sealing joint 9 is installed near the wire outlet near the high temperature resistant lead wire 10 to ensure good sealing.
[0030] Furthermore, the gap between the rear end cover plug sleeve 6 and the rear end cover 7 is sealed by vacuum glue injection to ensure the sealing effect.
[0031] Furthermore, a slot is provided on one side of the stop pressure piece 4 close to the coil assembly 2 , and the end of the coil assembly 2 is inserted into the slot, so as to facilitate the installation and positioning of the coil assembly 2 .
[0032] When the stator assembly of the linear displacement sensor with built-in cooling pipeline of the utility model is used, first, the sensor is fixed to the external device through the mounting plate welded on the outer side of the housing 1. When the sensor starts to work, the internal coil assembly 2 generates heat, and at this time, the coolant (such as water, oil or other special coolant) flowing in the cooling pipe 3 starts to play a role. The coolant flows in the cooling pipe 3 and quickly takes away the heat generated by the coil assembly 2 and the inside of the sensor through heat exchange.
[0033] At the same time, the stopper pressing plate 4 and the stopper pressing ring 5 not only firmly fix the cooling tube 3, but also ensure the close contact between the cooling tube 3 and the internal structure of the sensor, thereby improving the heat exchange efficiency. After absorbing heat, the coolant will be transported to the external cooling system for re-cooling, and then circulate back to the cooling tube 3, forming a continuous cooling cycle.
[0034] In addition, the rear end cover 7 of the sensor is matched with the end shape of the housing 1, ensuring the overall sealing of the sensor and preventing external dust or moisture from entering the sensor and affecting its normal operation. The high temperature resistant lead wire 10 and the sealing joint 9 at the outlet further ensure the electrical connection stability and sealing of the sensor in a high temperature environment.
[0035] In general, the utility model realizes efficient cooling of the interior of the sensor through the built-in cooling pipeline design, thereby ensuring the stability and high-precision measurement of the sensor in various environments.
[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A linear displacement sensor stator assembly with a built-in cooling pipeline, comprising a housing (1), characterized in that: A slot is provided on one side of the shell (1), a cooling pipe (3) is provided in the slot, a coil assembly (2) is provided inside the shell (1), a stop pressure plate (4) is installed at the outer end of the cooling pipe (3), a stop pressure ring (5) is installed on the outer side of the stop pressure plate (4), a rear end cover (7) is installed on the outer side of the stop pressure ring (5), the shape of the rear end cover (7) is compatible with the shape of the end of the shell (1), a mounting plate is welded on the outer side of the shell (1), and the mounting plate is fixed to the external device by bolts.
2. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 1, characterized in that: One end of the cooling pipe (3) is welded and fixed to the grooved bottom of the outer shell (1).
3. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 2, characterized in that: One end of the stop pressure piece (4) is provided with a protruding end, and the protruding end is inserted into a groove on one side of the housing (1).
4. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 1, characterized in that: A rear end cover plug sleeve (6) is installed in the middle of the outer side of the stop pressure ring (5), and an opening is opened on the surface of the rear end cover (7). The rear end cover plug sleeve (6) passes through the opening and is sealed by the rear end cover plug (8).
5. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 1, characterized in that: One side of the stop pressure ring (5) is provided with an external thread, the outer side of the stop pressure plate (4) is provided with an internal thread, and the stop pressure ring (5) is threadedly connected to the stop pressure plate (4).
6. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 1, characterized in that: An outlet is provided on one side of the upper portion of the housing (1), a high temperature resistant lead-out line (10) is provided at the outlet, and a sealing joint (9) is installed near the outlet near the high temperature resistant lead-out line (10).
7. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 4, characterized in that: The gap between the rear end cover plug sleeve (6) and the rear end cover (7) is sealed by vacuum glue injection.
8. The stator assembly of the linear displacement sensor with built-in cooling pipeline according to claim 1, characterized in that: A slot is provided on one side of the stop pressure plate (4) close to the coil assembly (2), and the end of the coil assembly (2) is inserted into the slot.