CN114942001A - Altimeter sensor - Google Patents

Abstract

The invention discloses a height measuring sensor. The height measuring sensor comprises a main body, a first data processing device and a second data processing device. The main body is used to measure the pressure difference between two points; Corresponding ends, one of the first data processing device and the first end of the main body is provided with a first socket, the other is provided with a first plug, and the first data processing device is connected to the main body through the cooperation of the first plug and the first socket. The second data processing device corresponds to the second end of the main body, one of the second data processing device and the second end of the main body is provided with a second socket, the other is provided with a second plug, and the second data processing device is provided with a second plug. It is connected with the main body through the cooperation of the second plug and the second socket. The height measuring sensor provided by the invention has the advantages of reducing the waste of resources and low replacement cost.

Description

Altimeter sensor

technical field

The present invention relates to the technical field of sensors, in particular, to a height measuring sensor.

Background technique

In the related art, the altimetry sensor often needs to be replaced as a whole when a fault occurs, thereby increasing unnecessary loss of materials, serious waste of resources, and high replacement cost.

SUMMARY OF THE INVENTION

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiments of the present invention provide an altimetry sensor, which has the advantages of reducing waste of resources and low replacement cost.

An altimetry sensor according to an embodiment of the present invention includes a main body, a first data processing device and a second data processing device, the main body is used to measure the pressure difference between two points; the first data processing device and the main body Corresponding to the first end, one of the first data processing device and the first end of the main body is provided with a first socket, and the other is provided with a first plug, and the first data processing device passes through the first end. The mating of a plug and the first socket is connected to the main body; the second data processing device corresponds to the second end of the main body, the second data processing device and the second end of the main body One is provided with a second socket, the other is provided with a second plug, and the second data processing device is connected to the main body through the cooperation of the second plug and the second socket.

According to the altimetry sensor according to the embodiment of the present invention, a split structure is formed between the first data processing device, the main body and the second data processing device, thereby facilitating the disassembly and assembly between the two adjacent ones. When the processing device or the main body or the second data processing device) fails, the part can be removed separately, and only the parts of this part can be replaced, thereby avoiding unnecessary loss of parts, reducing waste of resources and reducing replacement cost.

In some embodiments, the first socket is provided on the first end of the main body, the first plug is provided on the first data processing device, and the second plug is provided on the second end of the main body , the second socket is provided in the second data processing device.

In some embodiments, the main body includes a sheath tube, a first housing, a second housing, a first pressure sensor, a second pressure sensor, a liquid tube and a wire core; two ends of the sheath tube are respectively connected with The first housing is connected to the second housing, the first socket is arranged in the first housing, the second plug is arranged in the second housing; the first pressure sensor is arranged in the in the first shell and connected with the first socket, the second pressure sensor is arranged in the second shell and connected with the second plug; the liquid pipe is placed in the sheath tube , the two ends of the liquid pipe are respectively connected with the first pressure sensor and the second pressure sensor; the wire core is placed in the sheath, the first end of the wire core is connected to the first pressure sensor The sockets are connected, and the second end of the wire core is connected with the second plug.

In some embodiments, the first data processing device includes a third housing and a first data processing module, the first plug is arranged in the third housing, and the first data processing module is arranged in the third housing The third housing is connected to the first plug; the second data processing device includes a fourth housing and a second data processing module, the second socket is arranged in the fourth housing, the second The data processing module is arranged in the fourth casing and connected with the second socket.

In some embodiments, the first end of the first housing is provided with a first blind hole, the first socket is provided on the bottom surface of the first blind hole, and the third housing includes a first bushing , the first plug is arranged in the first shaft sleeve, and the first shaft sleeve is matched in the first blind hole so that the first plug is matched with the first socket.

In some embodiments, a first annular groove is formed on the peripheral wall of the first bushing, and a first through hole connecting the first blind hole and the outside is formed on the peripheral wall of the first housing. The height-measuring sensor further includes a first plug fitted in the first through hole and the first annular groove.

In some embodiments, the number of the first through holes is two groups, the two groups of the first through holes are symmetrical with respect to the axis of the first blind hole, and each group of the first through holes includes The longitudinal section of a blind hole is symmetrical to the two first through holes, and the first plug is a U-shaped pin.

In some embodiments, the first end of the fourth housing is provided with a second blind hole, the second socket is provided on the bottom surface of the second blind hole, and the second housing includes a second bushing , the second plug is arranged in the second shaft sleeve, and the second shaft sleeve is matched in the second blind hole so that the second plug is matched with the second socket.

In some embodiments, the peripheral wall of the second bushing is provided with a second annular groove, and the peripheral wall of the fourth housing is provided with a second through hole connecting the second blind hole and the outside world, so The height-measuring sensor further includes a second plug fitted in the second through hole and the second annular groove.

In some embodiments, the number of the second through holes is two groups, the two groups of the second through holes are symmetrical with respect to the axis of the second blind hole, and each group of the second through holes includes The longitudinal sections of the two blind holes are symmetrical to the two second through holes, and the second pins are U-shaped pins.

Description of drawings

FIG. 1 is a schematic diagram of an altimetry sensor according to an embodiment of the present invention.

2 is a schematic diagram of a first housing of an altimetry sensor according to an embodiment of the present invention.

3 is a schematic diagram of a U-shaped pin of an altimetry sensor according to an embodiment of the present invention.

Reference numerals: 1. Main body; 11. Sheathing tube; 12. First housing; 121, First socket; 122, First blind hole; 123, First through hole; 13, Second housing; 132, the second sleeve; 133, the second ring groove; 2, the first data processing device; 21, the third housing; 211, the first plug; 212, the first sleeve; 213, the first 3. The second data processing device; 31. The fourth casing; 311. The second through hole; 4. The first plug.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

The altimetry sensor according to the embodiment of the present invention will be described below with reference to FIGS. 1-3 .

As shown in FIG. 1 , an altimetry sensor according to an embodiment of the present invention includes a main body 1 , a first data processing device 2 and a second data processing device 3 , and the main body 1 is used to measure the pressure difference between two points.

The first data processing device 2 corresponds to the first end of the main body 1 , one of the first data processing device 2 and the first end of the main body 1 is provided with a first socket 121 , the other is provided with a first plug 211 , A data processing device 2 is connected to the main body 1 through the cooperation of the first plug 211 and the first socket 121 . The first data processing device 2 is used for receiving the pressure signal generated by the first end of the main body 1 .

The second data processing device 3 corresponds to the second end of the main body 1, one of the second data processing device 3 and the second end of the main body 1 is provided with a second socket, the other is provided with a second plug 131, the second The data processing device 3 is connected to the main body 1 through the cooperation of the second plug 131 and the second socket. The second data processing device 3 is used for receiving the pressure signal generated by the second end of the main body 1 . The height difference between the first data processing device 2 and the second data processing device 3 is calculated according to the difference between the pressure signals of the first data processing device 2 and the second data processing device 3 .

According to the altimetry sensor according to the embodiment of the present invention, a split structure is formed between the first data processing device 2, the main body 1 and the second data processing device 3, thereby facilitating the disassembly and assembly between the two adjacent ones. When the first data processing device 2 or the main body 1 or the second data processing device 3) fails, the part can be disassembled separately, and only the parts of this part can be replaced, thereby avoiding unnecessary loss of parts and reducing The waste of resources reduces the replacement cost.

The above-mentioned replacement process of the first data processing device 2 or the main body 1 or the second data processing device 3 is realized by the plugging cooperation of the first plug 211 and the first socket 121 or the plugging cooperation of the second plug 131 or the second socket. Replacement is quick, easy and efficient.

Specifically, the structure and connection manner of the first plug 211 and the first socket 121 are similar to the aviation plug and the aviation socket.

Specifically, the structure and connection manner of the second plug 131 and the second socket are similar to the aviation plug and the aviation socket.

In some embodiments, as shown in FIG. 1 , the first socket 121 is disposed on the first end of the main body 1 , the first plug 211 is disposed on the first data processing device 2 , and the second plug 131 is disposed on the second end of the main body 1 , the second socket is arranged in the second data processing device 3 .

Thereby, the disassembly of the first data processing device 2 and the main body 1 and the disassembly of the second data processing device 3 and the main body 1 are facilitated.

In some embodiments, as shown in FIG. 1 , the main body 1 includes a sheath tube 11 , a first casing 12 , a second casing 13 , a first pressure sensor, a second pressure sensor, a liquid pipe, and a wire core. Two ends of the sheath tube 11 are respectively connected to the first housing 12 and the second housing 13 . The first socket 121 is provided in the first housing 12 , and the second plug 131 is provided in the second housing 13 .

The first pressure sensor is installed in the first housing 12 and connected to the first socket 121 , and the second pressure sensor is installed in the second housing 13 and connected to the second plug 131 . The liquid pipe is placed in the sheath tube 11, and the two ends of the liquid pipe are respectively connected with the first pressure sensor and the second pressure sensor. The wire core is placed in the protective tube 11 , the first end of the wire core is connected to the first socket 121 , and the second end of the wire core is connected to the second plug 131 .

The first pressure sensor is used to measure the pressure value of the liquid at the first end of the liquid pipe and transmit the pressure signal to the first data processing device 2 through the first socket 121 and the first plug 211, and the first data processing device 2 to the pressure Signal analysis and processing. The second pressure sensor is used to measure the pressure value of the liquid at the second end of the liquid pipe and transmit the pressure signal to the second data processing device 3 through the second socket and the second plug 131, and the second data processing device 3 has the pressure signal analysis and processing. After that, the pressure signal of the first data processing device 2 is transmitted to the second data processing device 3 through the core wire, and the second data processing device 3 calculates the height difference between the first pressure sensor and the second pressure sensor according to the two pressure signals .

Among them, the sheath tube 11 is used to protect the inner wire core and the liquid pipe, reduce the damage of the two, and prolong the service life of the two.

In some embodiments, as shown in FIG. 1 , the first data processing device 2 includes a third housing 21 and a first data processing module, the first plug 211 is arranged in the third housing 21 , and the first data processing module is arranged in the third housing 21 . in the third casing 21 and connected with the first plug 211; the second data processing device 3 includes a fourth casing 31 and a second data processing module, the second socket is arranged in the fourth casing 31, the second data processing The module is arranged in the fourth casing 31 and connected to the second socket.

The first data processing module is used for processing the pressure signal of the first pressure sensor; the second data processing module is used for processing the pressure signal of the second pressure sensor.

Specifically, the first data processing module may be a circuit board.

Specifically, the second data processing module may be a circuit board.

In some embodiments, as shown in FIG. 2 , the first end of the first housing 12 is provided with a first blind hole 122 , the first socket 121 is provided on the bottom surface of the first blind hole 122 , and the third housing 21 includes a first blind hole 122 . A shaft sleeve 212 , the first plug 211 is disposed in the first shaft sleeve 212 , and the first shaft sleeve 212 is fitted in the first blind hole 122 so that the first plug 211 and the first socket 121 are matched.

The arrangement of the first bushing 212 and the first blind hole 122 facilitates the alignment of the first plug 211 and the first socket 121, thereby improving the speed of the first plug 211 and the first socket 121, which is convenient and quick.

In addition, the cooperation of the first bushing 212 and the first blind hole 122 serves to limit the radial movement of the first housing 12 and the third housing 21 in the radial direction of the first bushing 212/the first blind hole 122, thereby , the reliability of the connection between the first plug 211 and the first socket 121 is improved.

Specifically, the first casing 12 is cylindrical, and the first blind hole 122 is coaxial with the first casing 12 .

In some embodiments, as shown in FIGS. 1 and 3 , a first annular groove 213 is formed on the peripheral wall of the first bushing 212 , and a peripheral wall connecting the first blind hole 122 and the outside is formed on the peripheral wall of the first housing 12 . In the first through hole 123 , the altimetry sensor further includes a first plug 4 , and the first plug 4 is fitted in the first through hole 123 and the first annular groove 213 .

Therefore, when the first plug 211 is mated with the first socket 121, the first bushing 212 is fitted in the first blind hole 122, and at this time, the first pin 4 is fitted in the first annular groove 213 and restricts the first shaft The sleeve 212 slides relative to the first blind hole 122 in its axial direction, thereby further improving the reliability and stability of the connection between the first plug 211 and the first socket 121 .

In some embodiments, as shown in FIG. 1 , the number of the first through holes 123 is two groups, and the two groups of the first through holes 123 are symmetrical with respect to the axis of the first blind hole 122 . The first through hole 123 includes two first through holes 123 symmetrical with respect to the longitudinal section of the first blind hole 122 , and the first plug 4 is a U-shaped pin.

It should be noted that the two parallel parts of the first plug 4 are respectively fitted into the first annular groove 213 through the two sets of first through holes 123 , that is, the two parallel parts of the first plug 4 are one with the two sets of first through holes 123 . Correspondingly, each parallel portion of the first plug 4 is inserted into the two first through holes 123 of the corresponding single group of the first through holes 123 . Therefore, the axial limiting effect of the first plug 4 on the first bushing 212 is better.

Specifically, the diameter of the formed annular peripheral surface of the first annular groove 213 is slightly larger than the distance between the two parallel parts of the first plug 4 . Therefore, when the first plug 4 is fitted in the first annular groove 213 , the first plug 4 generates an outward elastic deformation, and then generates an inward elastic force, thereby increasing its contact pressure with the annular peripheral surface of the first annular groove 213, thereby increasing the pressure between the two The friction force achieves the fixation of the first pin 4 .

In some embodiments, as shown in FIG. 1 , the first end of the fourth housing 31 is provided with a second blind hole, the second socket is provided on the bottom surface of the second blind hole, and the second housing 13 includes a second bushing 132, the second plug 131 is disposed in the second bushing 132, and the second bushing 132 is fitted in the second blind hole so that the second plug 131 can be matched with the second socket.

The arrangement of the second bushing 132 and the second blind hole facilitates the alignment of the second plug 131 and the second socket, thereby improving the insertion speed of the second plug 131 and the second socket, which is convenient and quick.

In addition, the cooperation between the second bushing 132 and the second blind hole plays a role in restricting the movement of the second housing 13 and the fourth housing 31 in the direction of the second bushing 132/second blind hole, thereby improving the The reliability of the connection between the second plug 131 and the second socket.

Specifically, the fourth casing 31 is cylindrical, and the second blind hole and the fourth casing 31 are coaxial.

In some embodiments, as shown in FIG. 1 , a second annular groove 133 is formed on the peripheral wall of the second shaft sleeve 132 , and a second through hole connecting the second blind hole and the outside is formed on the peripheral wall of the fourth housing 31 311 , the altimetry sensor further includes a second plug, and the second plug is fitted in the second through hole 311 and the second annular groove 133 .

Therefore, when the second plug 131 is mated with the second socket, the second bushing 132 is fitted in the second blind hole, and at this time, the second pin is fitted in the second annular groove 133 and restricts the second bushing 132 in the second blind hole. It slides axially relative to the second blind hole, thereby further improving the reliability and stability of the connection between the second plug 131 and the second socket.

In some embodiments, as shown in FIG. 1 , the number of the second through holes 311 is two groups, the two groups of the second through holes 311 are symmetrical about the axis of the second blind hole, and each group of the second through holes 311 is symmetrical with respect to the axis of the second blind hole. The two through holes 311 include two second through holes 311 symmetrical with respect to the longitudinal section of the second blind hole, and the second plug is a U-shaped pin.

It should be noted that the two parallel parts of the second plug are respectively fitted into the second annular groove 133 through the two sets of second through holes 311 , that is, the two parallel parts of the second plug are in one-to-one correspondence with the two sets of second through holes 311 , each parallel portion of the second plug is inserted into the two second through holes 311 of the corresponding single group of the second through holes 311 . Therefore, the axial limiting effect of the second plug on the second bushing 132 is better.

Specifically, the diameter of the formed annular peripheral surface of the second annular groove 133 is slightly larger than the distance between the two parallel parts of the second plug. Therefore, when the second plug is fitted in the second annular groove 133, the The two pins generate outward elastic deformation, and then generate inward elastic force, thereby increasing the contact pressure between them and the annular peripheral surface of the second annular groove 133, thereby increasing the friction force between the two , the fixing of the second pin is realized.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" and the like mean a specific feature, structure, material, or description described in connection with the embodiment or example. Features are included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the above-mentioned embodiments have been shown and described, it should be understood that the above-mentioned embodiments are exemplary and should not be construed as limiting the present invention, and those of ordinary skill in the art can make changes, modifications, substitutions and alterations to the above-mentioned embodiments. All fall within the protection scope of the present invention.

Claims (10)

1. an altimetry sensor, is characterized in that, comprises: a body (1) for measuring the pressure difference between two points; A first data processing device (2), the first data processing device (2) corresponds to the first end of the main body (1), the first data processing device (2) and the main body (1) One of the first ends is provided with a first socket (121), the other is provided with a first plug (211), and the first data processing device (2) passes through the first plug (211) and the The mating of the first socket (121) is connected to the main body (1); and A second data processing device (3), the second data processing device (3) corresponds to the second end of the main body (1), the second data processing device (3) and the main body (1) One of the second ends is provided with a second socket and the other is provided with a second plug (131), through which the second data processing device (3) passes through the second plug (131) and the second socket The mating is connected with the main body (1). 2. The altimetry sensor according to claim 1, wherein the first socket (121) is provided on the first end of the main body (1), and the first plug (211) is provided on the In a first data processing device (2), the second plug (131) is provided on the second end of the main body (1), and the second socket is provided on the second data processing device (3). 3. The altimetry sensor according to claim 2, wherein the main body (1) comprises: sheath tube (11); a first shell (12) and a second shell (13), two ends of the sheath tube (11) are respectively connected with the first shell (12) and the second shell (13), The first socket (121) is arranged in the first casing (12), and the second plug (131) is arranged in the second casing (13); A first pressure sensor and a second pressure sensor, the first pressure sensor is arranged in the first housing (12) and connected to the first socket (121), and the second pressure sensor is arranged in the first housing (12) Inside the second housing (13) and connected with the second plug (131); a liquid pipe, the liquid pipe is placed in the sheath tube (11), and the two ends of the liquid pipe are respectively connected with the first pressure sensor and the second pressure sensor; and A wire core, the wire core is placed in the sheath tube (11), the first end of the wire core is connected to the first socket (121), and the second end of the wire core is connected to the first socket (121). The two plugs (131) are connected. 4. The altimetry sensor according to claim 3, wherein the first data processing device (2) comprises a third housing (21) and a first data processing module, and the first plug (211) set in the third housing (21), the first data processing module is set in the third housing (21) and connected with the first plug (211); the second data processing module The device (3) comprises a fourth housing (31) and a second data processing module, the second socket is arranged in the fourth housing (31), and the second data processing module is arranged in the fourth housing (31) The casing (31) is connected to the second socket. 5. The height measuring sensor according to claim 4, characterized in that, a first blind hole (122) is provided at the first end of the first housing (12), and the first socket (121) is provided in On the bottom surface of the first blind hole (122), the third housing (21) includes a first bushing (212), and the first plug (211) is provided in the first bushing (212) , the first bushing (212) is matched in the first blind hole (122) so that the first plug (211) is matched with the first socket (121). 6 . The height measuring sensor according to claim 5 , wherein a first annular groove ( 213 ) is provided on the peripheral wall of the first bushing ( 212 ), and the peripheral wall of the first housing ( 12 ) is provided with a first annular groove ( 213 ). There is a first through hole (123) connecting the first blind hole (122) and the outside world, and the height measuring sensor further includes a first pin (4), the first pin (4) is matched with the inside the first through hole (123) and the first annular groove (213). 7 . The height measuring sensor according to claim 6 , wherein the number of the first through holes ( 123 ) is two groups, and the two groups of the first through holes ( 123 ) are related to the first blind holes. 8 . The axis of the (122) is symmetrical, and each group of the first through holes (123) includes two first through holes (123) symmetrical with respect to the longitudinal section of the first blind hole (122). The latch (4) is a U-shaped pin. 8. The altimetry sensor according to claim 4, characterized in that a second blind hole is provided at the first end of the fourth housing (31), and the second socket is provided in the second blind hole The bottom surface of the second casing (13) includes a second bushing (132), the second plug (131) is arranged in the second bushing (132), and the second bushing (132) ) is fitted in the second blind hole so that the second plug (131) is matched with the second socket. 9 . The height measuring sensor according to claim 8 , wherein a second annular groove ( 133 ) is provided on the peripheral wall of the second sleeve ( 132 ), and the peripheral wall of the fourth housing ( 31 ) is provided with a second annular groove ( 133 ). 10 . There is a second through hole (311) connecting the second blind hole and the outside world, and the height measuring sensor also includes a second plug, the second plug is matched with the second through hole (311) and the second through hole (311). inside the second ring groove (133). 10 . The height measuring sensor according to claim 9 , wherein the number of the second through holes ( 311 ) is two groups, and the two groups of the second through holes ( 311 ) are related to the second blind holes. 11 . The axis of the second through hole (311) is symmetrical, each group of the second through holes (311) includes two second through holes (311) symmetrical with respect to the longitudinal section of the second blind hole, and the second plug is a U-shaped pin.

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