CN222166185U - Temperature and pressure sensor - Google Patents
Temperature and pressure sensor Download PDFInfo
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- CN222166185U CN222166185U CN202420248627.8U CN202420248627U CN222166185U CN 222166185 U CN222166185 U CN 222166185U CN 202420248627 U CN202420248627 U CN 202420248627U CN 222166185 U CN222166185 U CN 222166185U
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Abstract
The utility model belongs to the technical field of sensors, and discloses a temperature and pressure sensor which comprises a shell, a pressure detection module, a temperature detection module and a temperature detection module, wherein a first installation cavity is formed in the upper end of the shell, a first internal thread is formed in the inner wall of the first installation cavity, a pressure guiding opening is formed in the lower end of the shell, a through hole is formed in the center of the connecting piece, a second installation cavity is formed in the connecting piece, which is close to the through hole, a first external thread is formed in the outer wall of the connecting piece, the connecting piece is connected with the shell through the first external thread in a matched mode with the first internal thread, the pressure detection module is connected with the connecting piece through the through hole, and the temperature detection module is arranged in the second installation cavity. According to the utility model, the pressure detection module and the temperature detection module are arranged at the same time, so that the temperature and the pressure are measured at the same time, the temperature and pressure combined sensor has high integration level, the structure of the temperature and pressure combined sensor is simplified, and the shell is connected in a threaded fit manner by the connecting piece, so that the overall sealing performance is better.
Description
Technical Field
The utility model belongs to the technical field of sensors, and relates to a temperature and pressure sensor.
Background
The pressure sensor has excellent performance and is widely applied to various industrial and dynamic environments, aerospace technology, large-scale hydraulic equipment and other areas. In addition, the existing sensor does not have the function of simultaneously measuring temperature and pressure or has the function of measuring, but has high process difficulty, low production efficiency and high product cost. Along with the increasing degree of system integration, the requirement of using a single sensor to measure temperature and pressure simultaneously is increasing, so that the temperature sensor and the pressure sensor are required to be combined, the measurement accuracy and the accuracy of a measurement result are ensured, and the high-pressure resistance of the system is further improved.
When the traditional pressure sensor is connected with a measuring pipeline, when the sealing performance of the pressure sensor is poor, excessive pressure can be quickly transmitted to the pressure sensor, so that the sensor sensitive element is greatly influenced, and the measuring precision and stability of the sensor are greatly reduced.
Based on this, there is a need in the art for a temperature and pressure sensor that solves the above-mentioned technical problems.
Disclosure of utility model
In view of the above, an object of the present utility model is to solve the above problems and provide a temperature and pressure sensor capable of measuring temperature and pressure simultaneously and having good sealability.
In order to solve the technical problems, the utility model provides a temperature and pressure sensor, which comprises,
The shell is provided with a first installation cavity at the upper end, a first internal thread is arranged on the inner wall of the first installation cavity, and a pressure guiding port is arranged at the lower end of the shell;
The connecting piece is provided with a through hole in the center, a second mounting cavity is arranged near the through hole, a first external thread is arranged on the outer wall of the connecting piece, and the connecting piece is connected with the shell in a matched manner through the first external thread and the first internal thread;
the pressure detection module is connected with the connecting piece through the through hole;
and the temperature detection module is arranged in the second mounting cavity.
As a further improvement of the utility model, the first mounting cavity and the second mounting cavity are cylindrical cavities, the inner diameter of the first mounting cavity is larger than that of the second mounting cavity, and the through hole is a cylindrical through hole.
As a further improvement of the utility model, a damper is also accommodated in the first mounting cavity, a second external thread is arranged on the outer wall of the damper, a second internal thread is arranged on the inner wall of the first mounting cavity, and the damper is connected with the shell in a matched manner through the second external thread and the second internal thread.
As a further improvement of the utility model, the damper communicates with the pressure detection module within the first mounting cavity.
As a further improvement of the utility model, the damper is communicated with the pressure leading port through a third cavity.
As a further improvement of the utility model, the pressure detection module is connected with the through hole by welding.
As a further development of the utility model, the first external thread of the connecting piece is connected to the first internal thread of the housing by means of a welded connection.
As a further development of the utility model, the second external thread of the damper is connected to the second internal thread mating connection region of the housing by welding.
As a further improvement of the utility model, a first flexible circuit member is arranged in the second mounting cavity, and the first flexible circuit member is used for electrically connecting the temperature detection module and external equipment.
As a further improvement of the utility model, a second flexible circuit member is arranged in the third cavity, and the second flexible circuit member is used for electrically connecting the pressure detection module and external equipment.
Compared with the prior art, the temperature and pressure sensor has the advantages that the temperature and pressure sensor is capable of measuring temperature and pressure simultaneously by arranging the pressure detection module and the temperature detection module simultaneously, has high integration level, simplifies the structure of the temperature and pressure composite sensor, can finish the measurement of hydraulic temperature and pressure simultaneously, greatly reduces the volume and weight of products on the premise of guaranteeing the pressure test precision and using a temperature area, and strengthens the pressure resistance of the sensor under the condition of not changing the external size of the sensor by arranging the connecting piece to be connected with the shell through the first external thread and the first internal thread in a matching way.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, but not all embodiments, and other drawings obtained according to these drawings without inventive effort are all within the scope of the present utility model.
FIG. 1 is a perspective view of a temperature and pressure sensor according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a temperature and pressure sensor according to an embodiment of the present utility model;
FIG. 3 is a perspective view of a housing provided by an embodiment of the present utility model;
FIG. 4 is a front view of a housing provided in an embodiment of the utility model
FIG. 5 is a perspective view of a connector provided in an embodiment of the present utility model;
FIG. 6 is a top view of a connector provided by an embodiment of the present utility model;
Fig. 7 is a perspective view of a damper provided by an embodiment of the present utility model.
The device comprises a shell, a first mounting cavity, a first internal thread, a pressure guiding port, a connecting piece, a through hole, a second mounting cavity, a first external thread, a damper, a second external thread, a pressure detecting module and a temperature detecting module, wherein the first mounting cavity is 1, the first internal thread is 111, the pressure guiding port is 12, the connecting piece is 21, the through hole is 22, the first external thread is 23, the damper is 3, the second external thread is 31, the pressure detecting module is 4, and the temperature detecting module is 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The following description of the embodiments and examples of the present utility model is provided for the purpose of providing a thorough and complete description of the present utility model, and is not intended to be the only form in which the embodiments of the present utility model may be practiced or utilized. The description covers the features of the embodiments and the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and sequences of steps. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the terms first, second, and the like in the description and the claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
In the description of the present utility model, the terms "front," "rear," "top," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Referring to fig. 1-7, the present utility model provides a temperature and pressure sensor to solve the problem of how to realize the sensor to measure temperature and pressure simultaneously and to have good tightness.
Specifically, referring to fig. 1, a perspective view of a temperature and pressure sensor according to an embodiment of the present utility model includes a housing 1, a connecting member 2 screwed with the housing 1, a pressure detection module 4 and a temperature detection module 5 disposed in the connecting member 2. Through setting up pressure detection module 4 and temperature detection module 5 simultaneously, realized measuring temperature and pressure simultaneously, possess high integration level, simplified warm-pressing compound sensor's structure, make it can accomplish the measurement of hydraulic pressure temperature, pressure simultaneously, under the prerequisite of guaranteeing pressure test accuracy and use warm district, reduced product volume and weight to a great extent, simplified warm-pressing compound sensor's structure through setting up 2 screw-thread fit connections of connecting piece casing 1 for whole sealing performance is better, and then when can guaranteeing measurement accuracy, measuring result accuracy, makes its high pressure resistant ability further promote.
Further, referring to fig. 2-6, a first mounting cavity 11 is provided at the upper end of the housing 1, a first internal thread 111 is provided on the inner wall of the first mounting cavity 11, a pressure guiding port 12 is provided at the lower end of the housing 1, a through hole 21 is provided in the center of the connecting piece 2, a second mounting cavity 22 is provided near the through hole 21 of the connecting piece 2, a first external thread 23 is provided on the outer wall of the connecting piece 2, the connecting piece 2 is connected with the housing 1 through the first external thread 23 and the first internal thread 111 in a matching manner, the pressure detecting module 4 is connected with the connecting piece 2 through the through hole 21, and the temperature detecting module 5 is provided in the second mounting cavity 22. Through setting up connecting piece 2 through first external screw thread 23 and first internal screw thread 111 cooperation connection casing 1, the withstand voltage performance of sensor is strengthened to the condition that does not change the sensor outside dimension for temperature and pressure sensor can use under the higher operating mode of pressure.
As a further improvement of the present utility model, the first installation cavity 11 and the second installation cavity 22 are cylindrical cavities, the inner diameter of the first installation cavity 11 is larger than the inner diameter of the second installation cavity 22, and the through hole 21 is a cylindrical through hole 21. The cylindrical cavity inner wall of the first installation cavity 11 is provided with a first internal thread 111, and then is matched with a first external thread 23 on the outer wall of the connecting piece 2, the threaded connection between the shell 1 and the connecting piece 2 is realized, connection tightness between the shell 1 and the connecting piece 2 is guaranteed, the pressure resistance of the temperature and pressure sensor is enhanced, the temperature and pressure sensor can be applied to a working environment with higher pressure, the first installation cavity 11 is provided with a cylindrical cavity, when the first internal thread 111 is matched and connected with the first external thread 23, screwing and matching are tighter, the pressure resistance of the temperature and pressure sensor is further guaranteed, the second installation cavity 22 is smaller than the inner diameter of the first installation cavity 11, the second installation cavity 22 is used for installing and positioning the temperature detection module 5, preferably, the temperature measurement function of the temperature detection module 5 can be realized through a platinum resistor, a corresponding wire is arranged, after the medium temperature is transmitted to the platinum resistor, a temperature signal is output, the second installation cavity 22 is used as a temperature measurement channel, the volume of the temperature sensor is reduced, and the product is reduced in size and weight on the premise of realizing the volume and the temperature sensor is reduced.
As a further improvement of the present utility model, referring to fig. 7, a damper 3 is further accommodated in the first mounting cavity 11, a second external thread 31 is provided on an outer wall of the damper 3, a second internal thread is provided on an inner wall of the first mounting cavity 11, and the damper 3 is connected to the housing 1 through the second external thread 31 and the second internal thread in a matching manner. The damper 3 communicates with the pressure detection module 4 within the first chamber. The damper 3 is communicated with the pressure leading port 12 through a third cavity. Through setting up the second external screw thread 31 of attenuator 3 outer wall with the second internal screw thread cooperation of first installation cavity 11 inner wall realizes that attenuator 3 and casing 1 are connected, has further promoted temperature pressure sensor's leakproofness, through setting up attenuator 3 damping energy dissipation for temperature pressure sensor when carrying out pressure measurement, hydraulic pressure accessible draws pressure mouth 12 to get into, reaches attenuator 3 along the third cavity, and after the impact of attenuator 3 slowing down hydraulic pressure to pressure detection module 4, reach pressure detection module 4 after the attenuator 3 and carry out pressure measurement, pressure detection module 4 impression hydraulic pressure, output pressure signal through setting up attenuator 3, avoid hydraulic pressure directly to reach pressure detection module 4, guarantee pressure-resistant position intensity, make temperature pressure sensor has higher high pressure resistance.
As a further development of the utility model, the pressure detection module 4 is connected to the through-hole 21 by welding.
As a further improvement of the utility model, the first external thread 23 of the connecting piece 2 is connected with the first internal thread 111 of the shell 1 in a matched connection way through welding, optionally, the first external thread 23 of the connecting piece 2 is welded with the first internal thread 111 of the shell 1 in a laser welding way, the connection of the connecting piece 2 and the shell 1 is tighter through laser welding, the tightness of the temperature and pressure sensor is further improved, the second external thread 31 of the damper 3 is connected with the second internal thread matched connection way of the shell 1 through welding, optionally, the second external thread 31 of the damper 3 is welded with the second internal thread matched connection way of the shell 1 in an argon arc welding way, the connection of the damper 3 and the shell 1 is tighter through argon arc welding, the pressure leakage is not generated when the pressure is measured by the pressure detection module 4, the measurement accuracy is not influenced, the strength is ensured, the temperature and pressure sensor has higher high pressure resistance, the high pressure resistance is improved, and the measurement accuracy is further improved.
As a further improvement of the present utility model, a first flexible circuit member (not shown) is disposed in the second cavity, and the first flexible circuit member is used for electrically connecting the temperature detection module 5 and an external device. A second flexible circuit member (not shown) is disposed in the third cavity, and the second flexible circuit member is used for electrically connecting the pressure detection module 4 and an external device. Through setting up first flexible circuit part and second flexible circuit part electricity respectively connect temperature detection module 5 with pressure detection module 4 and external equipment can be so that temperature signal that temperature detection module 5 measured with the timely output of pressure signal that pressure detection module 4 measured shows external equipment to the real-time measurement data display of temperature pressure sensor has been realized, user experience is promoted.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420248627.8U CN222166185U (en) | 2024-02-01 | 2024-02-01 | Temperature and pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420248627.8U CN222166185U (en) | 2024-02-01 | 2024-02-01 | Temperature and pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222166185U true CN222166185U (en) | 2024-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420248627.8U Active CN222166185U (en) | 2024-02-01 | 2024-02-01 | Temperature and pressure sensor |
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| Country | Link |
|---|---|
| CN (1) | CN222166185U (en) |
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- 2024-02-01 CN CN202420248627.8U patent/CN222166185U/en active Active
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