CN215262217U - Pressure sensor - Google Patents
Pressure sensor Download PDFInfo
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- CN215262217U CN215262217U CN202121409514.4U CN202121409514U CN215262217U CN 215262217 U CN215262217 U CN 215262217U CN 202121409514 U CN202121409514 U CN 202121409514U CN 215262217 U CN215262217 U CN 215262217U
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Abstract
The embodiment of the application provides a pressure sensor, includes: a housing; a detection assembly disposed within the housing; the adapter plate is connected to the signal output end of the detection assembly; and one end of the conductor piece is connected to the adapter plate, and the other end of the conductor piece extends out of the shell. This pressure sensor, in the course of the work, the conductor can be electrified for detecting element through the keysets, and detecting element detects and acquires pressure information to realize the output of pressure measurement result through keysets and conductor. This pressure sensor passes through the setting of keysets, and the connection of the conductor of being convenient for on the one hand, on the other hand the conductor need not to buckle can the lug connection on the keysets for the stress of conductor is more balanced, even under pressure sensor receives the vibration or the circumstances of assaulting, and the connection that the conductor also can be firm has ensured the reliability of pressure sensor work.
Description
Technical Field
The utility model relates to a sensor technical field particularly, relates to a pressure sensor.
Background
The pressure sensor is widely applied to the industries of aerospace, ships and warships, petrochemical industry, automotive electronics, military equipment, industrial control and the like. The working condition environment of the pressure sensor is usually severe, the test medium is often corrosive, and the temperature of the medium or the environment around the pressure sensor is high, which affect the reliability of the pressure sensor.
In order to adapt to severe working conditions, most of the existing pressure sensors are packaged by metal in a medium isolation mode, namely, a medium to be detected is conveyed to the pressure sensors through a mechanical interface, and a detection result is output through an electrical output port, so that the reliability of devices is improved. However, in order to reduce the volume of the pressure sensor in the prior art, the mechanical interface and the electrical output port are usually located on the same side of the pressure sensor, so that the lead connected to the electrical output port needs to be bent, and the bending of the lead generates stress in the lead or at a welding point, and the electrical connection is easily failed due to the influence of external factors such as vibration and impact in long-term use, thereby causing the failure of the sensor.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In view of this, according to an embodiment of the present application, there is provided a pressure sensor including:
a housing;
a detection assembly disposed within the housing;
the adapter plate is connected to the signal output end of the detection assembly;
and one end of the conductor piece is connected to the adapter plate, and the other end of the conductor piece extends out of the shell.
In a first possible implementation manner of the embodiment of the present application, the interposer includes:
the circuit board, the circuit board includes connecting portion and switching portion, connecting portion are located detection element's top, connect in detection element's signal output part, switching portion connect in connecting portion extend to the lateral wall direction of casing, the conductor connects in switching portion.
In a second possible implementation manner of the embodiment of the present application, the conductor includes:
the first cable is connected to the adapter plate and used for electrifying the circuit board and the detection assembly;
and the second cable is connected to the adapter plate and used for outputting a result detected by the detection component.
In a third possible implementation manner of the embodiment of the present application, the conductor member includes:
the first contact pin is connected to the adapter plate and used for electrifying the circuit board and the detection assembly;
and the second contact pin is connected with the adapter plate and used for outputting a result detected by the detection assembly.
In a fourth possible implementation of the embodiment of the present application, the housing includes:
a cover body;
the cover body covers the base.
In a fifth possible implementation manner of the embodiment of the present application, the method further includes:
the patch tube seat is arranged on the base, the detection assembly is attached to the patch tube seat and located between the base and the patch tube seat, and the adapter plate is located on the patch tube seat.
In a sixth possible implementation manner of the embodiment of the present application, the detection component includes:
the corrugated sheet is welded on the base and the patch tube seat;
the sensor chip is arranged on one side, away from the base, of the corrugated sheet;
a stabilizer filled between the corrugated sheet and the sensor chip.
In a seventh possible implementation manner of the embodiment of the present application, the base faces towards one side of the cover body, a first sinking groove is provided, the patch tube seat faces towards one side of the base, a second sinking groove is provided, and the corrugated sheet is welded in the first sinking groove and the second sinking groove.
In an eighth possible implementation manner of the embodiment of the present application, a mechanical port is formed on the base, and the mechanical port is conducted to the corrugated sheet;
wherein the mechanical port is formed with a flare toward one end of the corrugated sheet.
In a ninth possible implementation manner of the embodiment of the present application, the patch socket includes:
the base body is arranged on the base, an accommodating space is formed between the base body and the base, and the detection assembly is arranged in the accommodating space;
the liquid injection channel is arranged in the seat body and communicated with the accommodating space;
a sealing member for being disposed within the liquid injection passage;
the insulator is arranged in the seat body;
and one end of the third contact pin penetrates through the base body to be connected with the sensor chip, and the other end of the third contact pin is connected with the adapter plate.
In a tenth possible implementation manner of the embodiment of the present application, the pressure sensor further includes:
a wire clamping post passing through the housing through which the conductor passes;
and the sealant is filled between the conductor and the wire clamping column and/or between the wire clamping column and the shell.
In an eleventh possible implementation manner of the embodiment of the present application, the pressure sensor further includes:
a potting sleeve disposed between the interposer and the housing, one end of the conductor passing through the potting sleeve and the housing;
and the pouring sealant is filled in the pouring sleeve.
Compared with the prior art, the utility model discloses at least, including following beneficial effect: the pressure sensor that this application embodiment provided, in the course of the work, the conductor can be electrified for detecting element through the keysets, and detecting element detects and acquires pressure information to realize the output of pressure measurement result through keysets and conductor. The pressure sensor is convenient for the connection of the conductor on one hand through the arrangement of the adapter plate; on the other hand, the conductor can be directly connected to the adapter plate without bending, so that the stress of the conductor is more balanced, the conductor can be stably connected even if the pressure sensor is vibrated or impacted, and the working reliability of the pressure sensor is ensured.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of a pressure sensor in one embodiment provided herein;
FIG. 2 is a schematic block diagram of a base of a pressure sensor of one embodiment provided herein;
FIG. 3 is a schematic block diagram of a patch header of a pressure sensor in accordance with an embodiment of the present disclosure;
FIG. 4 is a side view of a corrugated sheet of a pressure sensor of one embodiment provided herein;
FIG. 5 is a schematic block diagram of a pressure sensor according to another embodiment provided herein;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
the device comprises a shell 1, a detection assembly 2, an adapter plate 3, a conductor 4, a patch tube seat 5, a wire clamping column 6 and an encapsulation sleeve 7;
101 cover, 102 base, 1021 first sink, 1022 mounting hole, 103 mechanical port, 201 corrugated sheet, 202 sensor chip, 301 circuit board, 302 resistor, 303 capacitor, 401 first cable, 402 second cable, 403 first pin, 404 second pin, 501 seat, 502 liquid injection channel, 503 sealing element, 504 insulator, 505 third pin, 506 second sink.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 to 5, according to an embodiment of the present application, there is provided a pressure sensor including: the device comprises a shell 1, a detection assembly 2, an adapter plate 3 and a conductor piece 4.
Wherein the detection assembly 2 is arranged in the shell 1; the adapter plate 3 is connected to the signal output end of the detection assembly 2; one end of the conductor 4 is connected to the adapter plate 3, and the other end extends out of the housing 1.
The pressure sensor that this application embodiment provided, in the course of the work, conductor 4 can be electrified for detecting element 2 through adapter plate 3, and detecting element 2 detects and acquires pressure information to realize the output of pressure measurement result through adapter plate 3 and conductor 4. The pressure sensor is convenient for the connection of the conductor 4 on one hand through the arrangement of the adapter plate 3; on the other hand, the conductor 4 can be directly connected to the adapter plate 3 without bending, so that the stress of the conductor 4 is more balanced, and even if the pressure sensor is vibrated or impacted, the conductor 4 can be stably connected, and the working reliability of the pressure sensor is ensured.
In some examples, the interposer 3 includes: the circuit board 301, the circuit board 301 includes a connecting portion and an adapter portion, the connecting portion is located above the detection assembly 2 and is connected to the signal output end of the detection assembly 2, the adapter portion is connected to the connecting portion and extends to the side wall direction of the housing 1, and the conductor member 4 is connected to the adapter portion.
The adapter plate 3 comprises a circuit board 301, and through the arrangement of the circuit board 301, on one hand, the circuit board 301 is convenient to connect with the detection assembly 2, signals are convenient to transmit to the adapter plate 3 through the detection assembly 2, power supply equipment is convenient to electrify the detection assembly 2 through the plurality of conductors 4 and the circuit board 301, and meanwhile, the output of the detection result of the detection assembly 2 is realized; on the other hand, through the arrangement of the circuit board 301, the result detected by the detecting component 2 can be processed, for example, an electric signal can be converted into a digital signal, so as to facilitate the output of the pressure detection result.
It is understood that the interposer 3 may further include a resistor 301 and a capacitor 302, and the resistor 301 and the capacitor 302 are disposed on the circuit board 301, so as to supplement the temperature of the circuit board 301 on one hand and facilitate processing the result detected by the detecting assembly 2 on the other hand.
The circuit board 301 comprises a connecting portion and an adapter portion, the connecting portion is located above the detection assembly 2, the adapter portion extends towards the side wall of the shell 1, at least part of the circuit board 301 extends towards the shell 1 through the upper portion of the detection assembly 2, the conductor 4 is convenient to be connected onto the circuit board 301, the conductor 4 does not need to be bent, stress of the conductor 4 is more balanced, even if the pressure sensor is vibrated or impacted, the conductor 4 can be stably connected, and working reliability of the pressure sensor is guaranteed.
It can be understood that, in order to improve the mechanical strength of the circuit board 301 and ensure the communication fluency, the switching portion and the connecting portion may be an integrally formed structure.
In some examples, the interposer 3 may also be a metal plate provided with an insulating layer, the insulating layer divides the metal plate into a plurality of connection channels, and the conductor 4 is connected to the plurality of connection channels, so that on one hand, output of a detection result of the detection unit may be achieved, and on the other hand, the detection unit may be powered on.
In some examples, the conductor 4 includes: a first cable 401 connected to the adapter board 3 for powering up the circuit board 301 and the detection assembly 2; and a second cable 402 connected to the adapter board 3 for outputting the result detected by the detecting component 2.
It is understood that the first cable 401 may have two cables to respectively implement input and output of current; to facilitate the input and output of signals, the second cable 402 has two cables.
The conductor 4 includes: the first cable 401 and the second cable 402 can be used for powering up the circuit board 301 and the detection assembly 2 through the arrangement of the first cable 401, so that energy is provided for the work of the circuit board 301 and the detection assembly 2, and the stable operation of the pressure sensor can be guaranteed. The second cable 402 is connected to the adapter plate 3, and the adapter plate 3 is connected to the signal output end of the detection assembly 2, so that the connection relationship between the second cable 402 and the signal output end of the detection assembly 2 can be provided, and the output of the pressure detection result of the detection assembly 2 can be realized.
It is understood that the first cable 401 may be a plurality of cables, the second cable 402 may be a plurality of cables, and the number of the first cable 401 and the second cable 402 is not limited in this application.
In some examples, the conductor 4 includes: a first pin 403 connected to the adapter board 3 for powering up the circuit board 301 and the detection assembly 2; and a second pin 404 connected to the adapter board 3 for outputting a result detected by the detecting component 2.
The conductor 4 includes: the first pin 403 and the second pin 404 can be used for powering up the circuit board 301 and the detection assembly 2 by setting the first pin 403, so that energy is provided for the work of the circuit board 301 and the detection assembly 2, and the stable operation of the pressure sensor can be guaranteed. Second contact pin 404 is connected in keysets 3, and keysets 3 connects in the signal output part of determine module 2, so set up and can possess the relation of connection between the signal output part of second contact pin 404 and determine module 2, can realize the output of the pressure measurement result of determine module 2.
It is understood that the number of the first pins 403 may be multiple, the number of the second pins 404 may be multiple, and the number of the first pins 403 and the second pins 404 is not limited in this application.
It can be understood that the first pin 403 and the second pin 404 may penetrate through the housing 1 in a glass sintering manner, so that the first pin 403 and the second pin 404 are better sealed, external moisture or impurities may be prevented from entering the housing 1 through the gap between the conductor 4 and the housing 1, and the reliability and the service life of the pressure sensor may be further improved.
It is understood that the first pin 403 and the second pin 404 may be directly connected to the interposer 3 or may be connected to the interposer 3 through wires. In the case where the first pin 403 and the second pin 404 are directly connected to the interposer 3, the lengths of the first pin 403 and the second pin 404 are relatively long, and in the case where the first pin 403 and the second pin 404 are connected to the interposer 3 by wires, the lengths of the first pin 403 and the second pin 404 are relatively short.
In some examples, the housing 1 includes: a cover body 101; a base 102, and a cover 101 covering the base 102.
The housing 1 includes: the cover body 101 and the base 102, the cover body 101 can play a sealing role to isolate the detection component 2 from the medium to be detected, and avoid the medium to be detected from high temperature damage or corrosion to the detection component 2.
In some examples, the pressure sensor further comprises: paster tube socket 5 sets up on base 102, and the laminating of detection component 2 is on paster tube socket 5, and detection component 2 is located between base 102 and the paster tube socket 5, and adapter plate 3 is located paster tube socket 5.
The pressure sensor further comprises a patch tube seat 5, the detection assembly 2 is attached to the patch tube seat 5, and the detection assembly 2 is located between the base 102 and the patch tube seat 5, so that the detection assembly 2 is located in a relatively closed space, on one hand, external water vapor and impurities cannot contact with the detection assembly 2, the detection assembly 2 is located in a cleaner space, and the service life can be prolonged; on the other hand, the influence of external factors on the detection result of the detection assembly 2 can be reduced, and the detection precision of the pressure sensor can be improved.
The adapter plate 3 is located the paster tube seat 5, and the paster tube seat 5 provides the mounted position for the adapter plate 3 for pressure sensor's overall arrangement is compacter, can reduce pressure sensor's volume.
In some examples, the detection assembly 2 includes: the corrugated sheet 201, the corrugated sheet 201 is welded on the base 102 and the patch tube seat 5; a sensor chip 202 arranged on a side of the corrugated sheet 201 facing away from the base 102; and a stabilizer filled between the corrugated sheet 201 and the sensor chip 202.
The detection assembly 2 comprises: corrugated sheet 201, sensor chip 202 and a stabilizer. In the working process, a medium to be detected is in contact with the corrugated sheet 201 through the mechanical port 103, the corrugated sheet 201 is pressed, the pressure is transmitted to the sensor chip 202 through the stabilizing agent, the sensor chip 202 senses the pressure of the stabilizing agent, the pressure of the medium to be detected is further determined based on the mapping relation between the pressure of the stabilizing agent and the pressure of the medium to be detected, then a pressure detection result is output, and the pressure detection result is output to the outside of the shell 1 through the adapter plate 3 and the conductor 4.
So set up, wait to detect the medium and only produce direct contact with corrugated sheet 201, corrugated sheet 201 need not to produce the contact with sensor chip 202, can protect sensor chip 202 through the setting of stabilizer, and sensor chip 202 can not receive the influence of high temperature medium and corrosive medium, has further improved pressure sensor's life, has ensured pressure sensor job stabilization nature.
In some examples, the stabilizer may be a silicone oil.
In some examples, a side of the base 102 facing the cover 101 is provided with a first sinking groove 1021, a side of the patch socket 5 facing the base 102 is provided with a second sinking groove 506, and the corrugated sheet 201 is welded in the first sinking groove 1021 and the second sinking groove 506.
One side of base 102 orientation in cover body 101 is provided with first heavy groove 1021, patch tube seat 5 is provided with second heavy groove 506 towards one side of base 102, corrugated sheet 201 can directly sink in first heavy groove 1021 and second heavy groove 506, for corrugated sheet 201 provides accommodation space, can make corrugated sheet 201 be in relatively inclosed space simultaneously, consequently need not to set up the clamping ring that is used for sealed and fixed corrugated sheet 201, is favorable to reducing pressure sensor's volume.
In some examples, the base 102 is provided with a mechanical port 103, and the mechanical port 103 is communicated with the corrugated sheet 201; wherein a mechanical port 103 is formed with a flare towards one side of the cover 101.
The mechanical port 103 is formed in the base 102, a medium to be detected can be in contact with the detection assembly 2 through the mechanical port 103, the detection assembly 2 can detect the pressure of the medium to be detected, the detection result can be further output through the adapter plate 3 and the conductor piece 4, the conductor piece 4 and the adapter plate 3 are separated from the medium to be detected, the high temperature and the corrosivity of the medium to be detected cannot affect the conductor piece 4 and the adapter plate 3, and the working stability and the working reliability of the pressure sensor are further improved.
The mechanical port 103 is formed with a flaring on one side facing the cover body 101, which can reduce the flow resistance of the medium to be detected, and avoid the pressure rise and the generation of instantaneous measurement error caused by the transient pressure fluctuation passing through a thin mechanical interface. The detection precision of the pressure sensor can be improved, and the dynamic response capability of the pressure sensor is improved.
In some examples, the flare may be formed by tapering a chamfer on the side of the mechanical port 103 facing the detection assembly 2.
In some examples, to improve the sensitivity of the pressure sensor, the corrugated sheet 201 has a thickness of less than 50 μm.
In some examples, the patch header 5 includes: the base body 501 is arranged on the base 102, an accommodating space is formed between the base body and the base 102, and the detection assembly 2 is arranged in the accommodating space; the liquid injection channel 502 is arranged in the base body 501 and communicated with the accommodating space; a seal 503 for disposition within the fluid injection channel 502; an insulator 504 disposed in the base 501; and a third pin 505, wherein one end of the third pin 505 passes through the base 501 to be connected to the sensor chip 202, and the other end is connected to the interposer 3.
The patch tube holder 5 includes: the base body 501, the liquid injection channel 502, the insulator 504, the sealing member 503 and the third pin 505 form an accommodating space with the base 102 through the arrangement of the base body 501 to accommodate the detection assembly 2; the stabilizer can be injected into the accommodating space through the arrangement of the liquid injection channel 502; the liquid injection channel 502 can be sealed by the arrangement of the sealing member 503; the stability of power-on and signal transmission of the detection assembly 2 is guaranteed by the arrangement of the insulator 504; the third pin 505 can be connected to the adapter plate 3 through the third pin 505, so that the conductor 4 is powered on for the detection assembly 2 through the adapter plate 3, and the detection result of the detection assembly 2 is output conveniently.
In some examples, the number of the third pins 505 may be four to facilitate a secure connection of the interposer 3.
In some examples, the seal 503 may be a steel ball disposed within the fluid injection channel 502.
In some examples, in order to further improve the reliability of fixing the corrugated plate 201, the corrugated plate 201 may also be welded to the housing 501, and the patch tube base 5 is welded to the base 102. The seat body 501 may also be reserved with a first sinking groove 1021, and another part of the corrugated sheet 201 is disposed in the first sinking groove 1021 on the seat body 501.
In some examples, the pressure sensor further comprises: the wire clamping column 6 penetrates through the shell 1, and the conductor 4 penetrates through the shell 1 through the wire clamping column 6; and the sealant is filled between the conductor 4 and the wire clamping column 6 and/or between the wire clamping column 6 and the shell 1.
The pressure sensor further comprises a wire clamping column 6 and sealant, the conductor 4 can penetrate through the shell 1 through the wire clamping column 6, the conductor 4 is convenient to install, the pressure sensor is convenient to assemble, meanwhile, the inside of the shell 1 can be located in a relatively closed space, and external impurities and water vapor can be prevented from entering the shell 1. The sealing effect can be further improved by filling a sealing compound between the conductor 4 and the terminal 6 and/or between the terminal 6 and the housing 1.
As shown in fig. 2, the base 102 may be provided with a mounting hole 1022, the wire clamping column 6 is disposed in the mounting hole 1022, and the mounting hole 1022 may be a threaded hole.
In some examples, the pressure sensor further comprises: the potting sleeve 7 is arranged between the adapter plate 3 and the shell 1, and one end of the conductor 4 penetrates through the potting sleeve 7 and the shell 1; and the pouring sealant is filled in the pouring sleeve 7.
The pressure sensor further includes: embedment sleeve 7, conductor 4 that is located casing 1 inside is in embedment sleeve 7, and embedment sleeve 7 is filled with the casting glue, can further avoid outside steam or impurity to infect keysets 3 and determine module 2, can make conductor 4 further obtain fixed simultaneously for conductor 4's stress is more balanced, even under pressure sensor receives the condition of vibration or impact, conductor 4 also can be firm connect, has ensured the reliability of pressure sensor work.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A pressure sensor, comprising:
a housing;
a detection assembly disposed within the housing;
the adapter plate is connected to the signal output end of the detection assembly;
and one end of the conductor piece is connected to the adapter plate, and the other end of the conductor piece extends out of the shell.
2. The pressure sensor of claim 1, wherein the interposer comprises:
the circuit board, the circuit board includes connecting portion and switching portion, connecting portion are located detection element's top, connect in detection element's signal output part, switching portion connect in connecting portion extend to the lateral wall direction of casing, the conductor connects in switching portion.
3. The pressure sensor of claim 2, wherein the conductor comprises:
the first cable is connected to the adapter plate and used for electrifying the circuit board and the detection assembly;
and the second cable is connected to the adapter plate and used for outputting a result detected by the detection component.
4. The pressure sensor of claim 2, wherein the conductor comprises:
the first contact pin is connected to the adapter plate and used for electrifying the circuit board and the detection assembly;
and the second contact pin is connected with the adapter plate and used for outputting a result detected by the detection assembly.
5. The pressure sensor of any of claims 1-4, wherein the housing comprises:
a cover body;
the cover body covers the base.
6. The pressure sensor of claim 5, further comprising:
the patch tube seat is arranged on the base, the detection assembly is attached to the patch tube seat and located between the base and the patch tube seat, and the adapter plate is located on the patch tube seat.
7. The pressure sensor of claim 6, wherein the detection assembly comprises:
the corrugated sheet is welded on the base and the patch tube seat;
the sensor chip is arranged on one side, away from the base, of the corrugated sheet;
a stabilizer filled between the corrugated sheet and the sensor chip.
8. The pressure sensor of claim 7,
the base towards one side of the cover body is provided with a first sinking groove, the patch tube seat towards one side of the base is provided with a second sinking groove, and the corrugated sheet is welded in the first sinking groove and the second sinking groove.
9. The pressure sensor of claim 8,
a mechanical port is formed in the base and communicated with the corrugated sheet;
wherein the mechanical port is formed with a flare toward one end of the corrugated sheet.
10. The pressure sensor of claim 9, wherein the patch header comprises:
the base body is arranged on the base, an accommodating space is formed between the base body and the base, and the detection assembly is arranged in the accommodating space;
the liquid injection channel is arranged in the seat body and communicated with the accommodating space;
a sealing member for being disposed within the liquid injection passage;
the insulator is arranged in the seat body;
and one end of the third contact pin penetrates through the base body to be connected with the sensor chip, and the other end of the third contact pin is connected with the adapter plate.
11. The pressure sensor of any one of claims 1 to 4, further comprising:
a wire clamping post passing through the housing through which the conductor passes;
and the sealant is filled between the conductor and the wire clamping column and/or between the wire clamping column and the shell.
12. The pressure sensor of any one of claims 1 to 4, further comprising:
a potting sleeve disposed between the interposer and the housing, one end of the conductor passing through the potting sleeve and the housing;
and the pouring sealant is filled in the pouring sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409514.4U CN215262217U (en) | 2021-06-23 | 2021-06-23 | Pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409514.4U CN215262217U (en) | 2021-06-23 | 2021-06-23 | Pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262217U true CN215262217U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121409514.4U Active CN215262217U (en) | 2021-06-23 | 2021-06-23 | Pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262217U (en) |
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2021
- 2021-06-23 CN CN202121409514.4U patent/CN215262217U/en active Active
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