CN112833930B - Multifunctional sensing device - Google Patents

Multifunctional sensing device Download PDF

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Publication number
CN112833930B
CN112833930B CN202011621428.XA CN202011621428A CN112833930B CN 112833930 B CN112833930 B CN 112833930B CN 202011621428 A CN202011621428 A CN 202011621428A CN 112833930 B CN112833930 B CN 112833930B
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wall
electrode
pipe
liquid
shell wall
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CN112833930A (en
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李益明
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Shaanxi Topsail Electronic Technology Co ltd
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Shaanxi Topsail Electronic Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

Abstract

The invention relates to a multifunctional sensing device, comprising: the outer shell is provided with an outer tube, and the left end part and the right end part of the outer tube are opened and hollow; a main body unit fastened in the hollow cavity of the outer shell, wherein the main body unit comprises a shell wall, functional liquid is encapsulated in the cavity of the shell wall through a membrane, an end plate is fastened on an opening at the bottom end part of the shell wall, an inner pipe is arranged on the main body unit, and the side wall of the shell wall is provided with a double-layer wall to form an outer shell wall and an inner shell wall of the shell wall; the anti-backflow unit comprises a floating block, an elastic piece and a fixed seat; a functional liquid supply unit and a leakage prevention unit. Through the mode, the quick supply device can realize quick supply of the functional liquid.

Description

Multifunctional sensing device
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of sensing, in particular to a multifunctional sensing device.
[ background of the invention ]
The sensing device is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to be output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. When the existing sensing device is used for a certain time, the electrolyte in the sensing device is lost, and the normal use is influenced. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
[ summary of the invention ]
The invention aims to provide a multifunctional sensing device which can supplement electrolyte and has the advantage of convenience in use.
The purpose of the invention is realized by the following technical scheme:
a multi-function sensing device, comprising: the device comprises an outer shell with openings at the upper end part and the lower end part and hollow inside, wherein an outer tube communicated with the hollow cavity of the outer shell is formed on the circumferential wall of the outer shell, and the left end part and the right end part of the outer tube are open and hollow inside; a body unit secured within the hollow cavity of the outer shell, the body unit including a shell wall having a cavity formed therein and an open bottom end, the cavity of the shell wall being sealed with a functional liquid by a membrane, the bottom end of the shell wall having secured thereto an end plate formed with a plurality of through holes, the shell wall having secured to a circumferential wall thereof an inner tube disposed coaxially with the outer tube and in communication with the cavity of the shell wall, the inner tube having one end extending into the cavity of the shell wall and flush with an inner wall of the cavity of the shell wall, the opposite end of the inner tube abutting against the inner circumferential wall of the outer shell to form a hollow duct with the outer tube, the side walls of the shell wall being double walled to form an outer shell wall and an inner shell wall of the shell wall; the backflow prevention unit comprises a floating block which is positioned in the cavity of the shell wall and is abutted against one end part of the inner tube through an elastic piece so as to prevent the functional liquid from flowing out of the shell wall through the inner tube, and a fixed seat which is provided with the elastic piece and is fixedly arranged in the cavity of the shell wall; the functional liquid supply unit comprises a piston piece inserted in the hollow pipeline formed by splicing the outer pipe and the inner pipe, a first air cylinder driving the piston piece to do linear reciprocating motion in the horizontal direction in the hollow pipeline, an input pipe inserted in the piston piece, and a second air cylinder driving the input pipe to do linear reciprocating motion in the horizontal direction in the piston piece, wherein the piston piece comprises a plug part matched with the hollow pipeline and a rod part fixedly arranged on the plug part and distributed along the axial direction of the hollow pipeline, a liquid channel axially penetrating through the plug part and the rod part is formed on the piston piece, the input pipe is inserted in the liquid channel, a flow equalizing port is formed on the circumferential wall of one end part of the input pipe, which is close to the floating block, the first air cylinder is connected with the rod part, and the second air cylinder is connected with the input pipe; a leakage prevention unit including a sponge to be sensed filled in a containing space enclosed by the outer shell wall and the inner shell wall, a connection ring having a side wall abutting against the inner shell wall and a top end abutting against a connection between the diaphragm and the inner shell wall, the connection ring being located between the diaphragm and the end plate; the liquid channel is fixedly provided with a plurality of soft films which divide the liquid channel into a plurality of regional sections along the axial direction, notches which enable the input tube to penetrate through the soft films are formed on the soft films, and through holes for the input tube to penetrate through are formed on the notches on the soft films; a residual liquid output pipe is also formed on the circumferential wall of the inner pipe, is positioned under the inner pipe and is communicated with the inner pipe, the bottom end part of the residual liquid output pipe is also screwed with a residual liquid tank, and an exhaust channel communicated with the residual liquid tank and the external atmosphere is also formed on the circumferential wall of the residual liquid output pipe; the connecting ring comprises a connecting ring main body and a convex edge, wherein the outer ring abuts against the inner shell wall, the top end of the connecting ring main body abuts against the joint of the diaphragm and the inner shell wall, the convex edge is fixedly arranged at the bottom end of the connecting ring main body and extends into the accommodating space to abut against the sponge to be sensed, and an annular groove for the convex edge to penetrate through is formed in the inner shell wall.
In one embodiment, the main body unit is fastened in the hollow cavity of the outer shell by an upper mounting ring and a lower mounting ring, wherein the upper mounting ring is fastened at the top of the main body unit, the lower mounting ring is fastened at the bottom of the main body unit, and the inner pipe, the residual liquid outlet pipe and the residual liquid tank are respectively located between the upper mounting ring and the lower mounting ring.
In one embodiment, a humidity sensor is further disposed on the outer shell wall of the shell wall, and a sensing end of the humidity sensor abuts against the sponge to be sensed.
In one embodiment, the leakage prevention unit further comprises a liquid storage cup located between the end plate and the connection ring and directly below the connection ring, wherein the liquid storage cup is fastened to the inner casing wall of the casing wall, and the liquid storage cup is formed with a groove for containing the functional liquid.
In one embodiment, the inner shell wall of the shell wall has a circular ring shaped opening formed therein, and the outer ring of the reservoir cup is secured within the circular ring shaped opening to reduce the volume of the chamber of the shell wall occupied by the reservoir cup to facilitate the ingress of external air into the chamber of the shell wall.
In one embodiment, the liquid storage cup is formed with an outer side wall and an inner side wall, the groove body is located between the outer side wall and the inner side wall, the outer side wall and the inner side wall are arranged in equal thickness, the annular opening is arranged in equal thickness with the liquid storage cup, and the groove width of the annular opening is equal to the wall thickness of the outer side wall, so that the groove body is located right below the connecting ring main body to facilitate liquid accumulation.
In one embodiment, the body unit further comprises a first electrode, a second electrode and a third electrode which are arranged in the chamber of the shell wall and are immersed in the functional liquid, wherein a first electrode pin, a second electrode pin and a third electrode pin are arranged on the closed end of the top end part of the shell wall in one-to-one correspondence with the first electrode, the second electrode and the third electrode, and the first electrode pin, the second electrode pin and the third electrode pin are respectively connected with the first electrode, the second electrode and the third electrode through electrode leads.
In one embodiment, the electrode leads are distributed in the accommodating space of the shell wall, and the electrode leads are coated with a protective layer for preventing functional liquid from corroding.
In one embodiment, the soft film is in a thin-wall conical shape, the tip of the soft film is arranged towards the floating block, and the through hole in the soft film is located on the tip.
In one embodiment, the first cylinder and the second cylinder are each fastened to a circumferential wall of the outer housing by a mount.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a multifunctional sensing device, which pushes a plug part of a piston piece into an inner tube through a first cylinder, enables the plug part to be abutted against or infinitely close to a floating block but not contacted with the floating block, then drives an input tube to be inserted into a liquid channel through a second cylinder, and finally enables one end part of the input tube to prop open the floating block; in the liquid supplementing process, the plug part and the soft film on the piston piece are used for plugging a small amount of functional liquid flowing out of the shell wall in the inner tube during liquid supplementing, and when the plug part exits from the inner tube, the small amount of functional liquid falls into a residual liquid tank through a residual liquid output pipe so as to realize the collection of the functional liquid; the exhaust channel on the residual liquid output pipe is used for communicating the residual liquid tank with the outside atmosphere so that a small amount of functional liquid in the inner pipe can flow into the residual liquid tank, and therefore the functional liquid is prevented from leaking out due to the fact that the small amount of functional liquid breaks through the through hole in the flexible film and enters the liquid channel; the connecting part of the diaphragm and the inner shell wall of the shell wall is a high-rise region for functional liquid to leak out, in the invention, the top end part of the connecting ring is abutted against the connecting part of the diaphragm and the inner shell wall of the shell wall, and the convex edge of the bottom end part of the connecting ring extends into the accommodating space of the shell wall and is abutted against the sponge to be sensed, so that the leaked functional liquid can be completely adsorbed onto the sponge to be sensed and then is displayed by the humidity sensor to remind a user of timely replacement, the leakage of the functional liquid is effectively avoided, and the device has the advantages of simple structure, safety and reliability; the liquid storage cup can contain the externally leaked functional liquid dropped from the connecting ring, so that the external leakage of the functional liquid is avoided.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a multifunctional sensing device according to the present invention;
FIG. 2 is a schematic view of the multifunctional sensor device according to the present invention in a bottom view;
FIG. 3 is a schematic exploded view of the multi-functional sensing device of the present invention;
FIG. 4 is a schematic cross-sectional view of the main body unit of the present invention;
FIG. 5 is a schematic cross-sectional view of the multifunctional sensor device according to the present invention;
FIG. 6 is an enlarged schematic view of region A in FIG. 4;
FIG. 7 is an enlarged schematic view of region B in FIG. 4;
FIG. 8 is a schematic view of the attachment ring of the present invention;
fig. 9 is a schematic diagram of a reservoir cup according to the present invention;
FIG. 10 is a schematic view of the shell wall of the present invention;
FIG. 11 is a schematic view showing the positional relationship between the piston member and the soft rubber of the present invention;
fig. 12 is a schematic sectional view showing the piston member and the soft gelatin sheet according to the present invention;
fig. 13 is a schematic view of the input tube of the present invention.
[ detailed description ] A
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The terms "comprising" and "having," as well as any variations thereof, in the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The invention provides a multifunctional sensing device, comprising: an outer shell 10 with openings at the upper end and the lower end and a hollow interior, wherein an outer tube 11 communicated with the hollow cavity of the outer shell 10 is formed on the circumferential wall of the outer shell 10, the left end and the right end of the outer tube 11 are open and hollow interior, and the central axis of the outer shell 10 is vertically intersected with the central axis of the outer tube 11; a main body unit 30 fastened in the hollow cavity of the outer shell 10, the main body unit 30 including a shell wall 31 formed with a cavity inside and having an open bottom end, the cavity of the shell wall 31 being enclosed with a functional liquid 32 through a membrane 33, the membrane 33 being a gas permeable membrane, the membrane 33 allowing only air to permeate but not the functional liquid to permeate, the functional liquid 32 being an electrolyte, the bottom end of the shell wall 31 having an open top end fastened with an end plate 37 formed with a plurality of through holes 371, an inner tube 60 coaxially disposed with the outer tube 11 and communicated with the cavity of the shell wall 31 being fixed on the circumferential wall of the shell wall 31, one end of the inner tube 60 extending into the cavity of the shell wall 31 and being flush with the inner cavity wall of the cavity of the shell wall 31, the opposite other end of the inner tube 60 abutting against the inner circumferential wall of the outer shell 10 to form a hollow pipeline in conjunction with the outer tube 11, the side wall of the shell 31 being a double-layer shell wall to form an outer shell wall 311 and an inner layer shell wall 312 of the shell wall 31; a backflow prevention unit 70 including a floating block 71 located in the cavity of the housing wall 31 and abutting against an end of the inner tube 60 through an elastic member 72 to prevent the functional liquid 32 from flowing out of the housing wall 31 through the inner tube 60, a fixing base 73 provided with an elastic member 72 and fixedly disposed in the cavity of the housing wall 31, the elastic member 72 being preferably a spring, one end of the elastic member 72 being fastened to the fixing base 73 and the opposite end being fastened to the floating block 71, the elastic member 72 being for providing an elastic restoring force to the floating block 71; a functional liquid supply unit 50, which comprises a piston member 51 inserted into a hollow pipe formed by splicing the outer pipe 11 and the inner pipe 60, a first cylinder 54 for driving the piston member 51 to do linear reciprocating motion in the hollow pipe in the horizontal direction, an input pipe 52 inserted into the piston member 51, and a second cylinder 55 for driving the input pipe 52 to do linear reciprocating motion in the piston member 51 in the horizontal direction, wherein the piston member 51 comprises a plug part 511 matched with the hollow pipe and a rod part 512 fixedly arranged on the plug part 511 and distributed along the axial direction of the hollow pipe, a liquid channel 513 axially penetrating through the plug part 511 and the rod part 512 is formed on the piston member 51, as shown in fig. 13, the input pipe 52 is inserted into the liquid channel 513, a uniform flow port 521 is formed on the circumferential wall of the input pipe 52 close to one end part of the floating block 71, the first cylinder 54 is connected with the rod part 512, and the second cylinder 55 is connected with the input pipe 52; as shown in fig. 2, the first cylinder 54 and the second cylinder 55 are respectively fastened to the circumferential wall of the outer housing 10 by a mount; a leak prevention unit including a sponge 313 to be sensed filled in a housing space defined by the outer shell wall 311 and the inner shell wall 312, a connection ring 38 having a side wall abutting against the inner shell wall 312 and a tip end abutting against a connection between the diaphragm 33 and the inner shell wall 312, the connection ring 38 being located between the diaphragm 33 and the end plate 37; wherein, a plurality of soft films 53 which divide the liquid channel 513 into a plurality of area sections are fixedly arranged in the liquid channel 513 along the axial direction, the soft films 53 are formed with nicks 531 which enable the input tube 52 to penetrate through the soft films 53, and the nicks 531 form through holes for the input tube 52 to penetrate through on the soft films 53; a residual liquid output pipe 61 is also formed on the circumferential wall of the inner pipe 60, the residual liquid output pipe 61 is positioned right below the inner pipe 60 and is communicated with the inner pipe 60, a residual liquid tank 62 is also screwed at the bottom end part of the residual liquid output pipe 61, and an exhaust channel 611 which is communicated with the residual liquid tank 62 and the external atmosphere is also formed on the circumferential wall of the residual liquid output pipe 61; the connection ring 38 includes a connection ring main body 381 having an outer ring abutting against the inner shell wall 312 and a top end abutting against the connection between the diaphragm 33 and the inner shell wall 312, a flange 382 fixedly disposed at a bottom end of the connection ring main body 381 and extending into the accommodation space to abut against the sponge 313 to be sensed, and an annular groove 316 formed on the inner shell wall 312 for the flange 382 to pass through.
As shown in fig. 1 to 3, the main body unit 30 is fastened in the hollow cavity of the outer casing 10 by an upper mounting ring 20 and a lower mounting ring 40, wherein the upper mounting ring 20 is fastened to the top of the main body unit 30, the lower mounting ring 40 is fastened to the bottom of the main body unit 30, and the inner pipe 60, the raffinate outlet pipe 61 and the raffinate tank 62 are respectively positioned between the upper mounting ring 20 and the lower mounting ring 40.
As shown in fig. 4 and 6, a humidity sensor 314 is further disposed on the outer shell 311 of the shell 31, a sensing end of the humidity sensor 314 abuts against the sponge 313 to be sensed, and the humidity sensor 314 is located below the lower mounting ring 40.
As shown in fig. 4, 6 and 9, the leakage preventing unit further comprises a liquid storage cup 39, the liquid storage cup 39 is positioned between the end plate 37 and the connecting ring 38 and is positioned right below the connecting ring 38, wherein the liquid storage cup 39 is fastened to the inner casing wall 312 of the casing wall 31, and a groove 391 for containing the functional liquid is formed on the liquid storage cup 39.
As shown in fig. 10, the inner shell wall 312 of the shell wall 31 has a circular opening 315 formed therein, and the outer ring of the reservoir cup 39 is secured within the circular opening 315 to reduce the space occupied by the reservoir cup 39 in the chamber of the shell wall 31 to facilitate the entry of outside air into the chamber of the shell wall 31.
As shown in fig. 9, the liquid storage cup 39 is formed with an outer side wall 392 and an inner side wall 393, the groove 391 is located between the outer side wall 392 and the inner side wall 393, the outer side wall 392 and the inner side wall 393 are arranged with equal thickness, wherein the annular opening 315 is arranged with equal thickness to the liquid storage cup 39, and the groove width of the annular opening 315 is equal to the wall thickness of the outer side wall 392, so that the groove 391 is located right below the connecting ring main body 381 to facilitate liquid accumulation. In the present invention, the cavity of the shell wall 31 is a cylindrical cavity, and the connecting ring main body 381 and the liquid storage cup 39 are both circular, wherein the ratio of the outer ring diameter of the inner side wall 393 of the liquid storage cup 39, the inner ring diameter of the connecting ring main body 381, and the diameter of the cylindrical cavity of the shell wall 31 is in the range of: 1.1-1.4, specifically, the ratio of the outer ring diameter of the inner side wall 393 of the liquid storage cup 39, the inner ring diameter of the connecting ring main body 381 and the diameter of the cylindrical cavity of the shell wall 31 is 1.206: 1) So that the functional liquid adsorbed on the connecting ring 38 can smoothly drop into the groove body 391 of the liquid storage cup 39; 2) The functional liquid can be ensured to enter from the outside air through the diaphragm 33, and simultaneously the top end part of the connecting ring 38 can be ensured to be fully contacted with the joint of the diaphragm 33 and the inner shell wall of the shell 31, so as to realize the maximum absorption of the leaked functional liquid.
As shown in fig. 4 and 5, the body unit 30 further includes a first electrode 34, a second electrode 35, and a third electrode 36 disposed in the chamber of the shell wall 31 and immersed in the functional liquid 32, wherein a first electrode pin 341, a second electrode pin 351, and a third electrode pin 361 disposed in one-to-one correspondence with the first electrode 34, the second electrode 35, and the third electrode 36 are disposed on the closed end of the top end portion of the shell wall 31, and the first electrode pin 341, the second electrode pin 351, and the third electrode pin 361 are respectively connected to the first electrode 34, the second electrode 35, and the third electrode 36 through electrode leads (not shown). In the present invention, the first electrode 34 is a working electrode, the second electrode 35 is a counter electrode, the third electrode 36 is a reference electrode, and accordingly, the first electrode lead 341 is a working electrode lead, the second electrode lead 351 is a counter electrode lead, and the third electrode lead 361 is a reference electrode lead.
As an embodiment of the present disclosure, the electrode leads are distributed in the accommodating space of the casing wall 31, and the electrode leads are covered with a protective layer for preventing the functional liquid from corroding.
As shown in fig. 11 and 12, the soft film 53 is in a thin-wall conical shape, and the tip of the soft film 53 faces the floating block 71, wherein the through hole of the soft film 53 is located on the tip, and the through hole is in a shape like a Chinese character 'yi', a shape like a Chinese character 'Y', or a shape like a Chinese character 'X'; in the present invention, the tip of the soft film 53 is disposed toward the slider 71: to facilitate the passage of input tube 52 through fluid passage 513.
As shown in fig. 7, the exhaust passage 611 is formed in an inverted "L" shape, and the inlet port of the exhaust passage 611 is located on the bottom end surface of the residual liquid outlet pipe 61, and the outlet port is located on the circumferential wall of the residual liquid outlet pipe 61.
The working principle of the multifunctional sensing device is as follows: the plug portion 511 of the piston member 51 is pushed into the inner tube 60 by the first cylinder 54 and the plug portion 511 abuts against the slider 71 or approaches the slider 71 infinitely but does not contact the slider 71, then the input tube 52 is driven by the second cylinder 55 to be inserted into the liquid passage 513 so that the slider 71 is pushed open at one end of the input tube 52, at this time, the functional liquid is supplied into the chamber of the housing wall 31 through the input tube 52, after the completion of the supply, the input tube 52 is driven by the second cylinder 55 to exit the liquid passage 513, the plug portion 511 of the piston member 51 is driven by the first cylinder 54 to exit the inner tube 60, and at the same time, the slider 71 is rested against one end of the inner tube 60 by the elastic restoring force of the elastic member 72.
The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention.

Claims (10)

1. A multi-function sensing device, comprising:
the inner part of the outer shell (10) is hollow, the circumferential wall of the outer shell (10) is provided with an outer tube (11) communicated with the hollow cavity of the outer shell (10), and the left and right ends of the outer tube (11) are open and hollow;
a body unit (30) secured within the hollow cavity of the outer casing (10), the body unit (30) comprising a casing wall (31) having a cavity formed therein and an open bottom end, the cavity of the casing wall (31) being encapsulated with a functional liquid (32) by a membrane (33), the bottom end of the casing wall (31) having secured thereto an end plate (37) formed with a plurality of through-holes (371), the casing wall (31) having secured to a circumferential wall thereof an inner tube (60) coaxially disposed with the outer tube (11) and in communication with the cavity of the casing wall (31), one end of the inner tube (60) extending into the cavity of the casing wall (31) and flush with an inner wall of the cavity of the casing wall (31), the opposite end of the inner tube (60) abutting against an inner circumferential wall of the outer casing (10) to splice with the outer tube (11) to form a hollow duct, the side walls of the casing wall (31) being provided as double walls to form an outer casing wall (311) and an inner casing wall (312) of the casing wall (31);
-a backflow prevention unit (70) comprising a slider (71) located in the chamber of the housing wall (31) and abutting against an end of the inner tube (60) by means of a resilient member (72) to prevent the functional liquid (32) from flowing out of the housing wall (31) through the inner tube (60), a fixed seat (73) provided with the resilient member (72) and fixedly arranged in the chamber of the housing wall (31);
a functional liquid supply unit (50) comprising a piston member (51) inserted into the hollow pipe formed by splicing the outer pipe (11) and the inner pipe (60), a first cylinder (54) for driving the piston member (51) to do linear reciprocating motion in the horizontal direction in the hollow pipe, an input pipe (52) inserted into the piston member (51), and a second cylinder (55) for driving the input pipe (52) to do linear reciprocating motion in the horizontal direction in the piston member (51), wherein the piston member (51) comprises a plug part (511) matched with the hollow pipe and a rod part (512) fixedly arranged on the plug part (511) and distributed along the axial direction of the hollow pipe, a liquid channel (513) axially penetrating through the plug part (511) and the rod part (512) is formed on the piston member (51), the input pipe (52) is inserted into the liquid channel (513), and one end part of the input pipe (52) close to the floating block (71) is connected with the first cylinder (54), and the second cylinder (512) is connected with the uniform flow inlet pipe (521);
a leak-proof unit comprising a sponge (313) to be sensed filled in a receiving space enclosed by the outer shell wall (311) and the inner shell wall (312), a connecting ring (38) having a side wall abutting against the inner shell wall (312) and a top end abutting against a connection of the membrane (33) and the inner shell wall (312), the connecting ring (38) being located between the membrane (33) and the end plate (37);
a plurality of soft films (53) which divide the liquid channel (513) into a plurality of area sections are fixedly arranged in the liquid channel (513) along the axial direction of the liquid channel, notches (531) which enable the input pipe (52) to penetrate through the soft films (53) are formed on the soft films (53), and through holes for the input pipe (52) to penetrate through are formed on the soft films (53) by the notches (531); a residual liquid output pipe (61) is further formed on the circumferential wall of the inner pipe (60), the residual liquid output pipe (61) is positioned under the inner pipe (60) and is communicated with the inner pipe (60), a residual liquid tank (62) is further screwed at the bottom end of the residual liquid output pipe (61), and an exhaust channel (611) communicating the residual liquid tank (62) with the outside atmosphere is further formed on the circumferential wall of the residual liquid output pipe (61); the connecting ring (38) comprises a connecting ring main body (381) with an outer ring abutting against the inner shell wall (312) and a top end abutting against the joint of the diaphragm (33) and the inner shell wall (312), a convex edge (382) fixedly arranged at the bottom end of the connecting ring main body (381) and extending into the accommodating space to abut against the sponge (313) to be sensed, and an annular groove (316) for the convex edge (382) to penetrate through is formed in the inner shell wall (312).
2. The multi-functional sensing device of claim 1,
the main body unit (30) is fastened in the hollow cavity of the outer shell (10) through an upper mounting ring (20) and a lower mounting ring (40), wherein the upper mounting ring (20) is fastened at the top of the main body unit (30), the lower mounting ring (40) is fastened at the bottom of the main body unit (30), and the inner pipe (60), the residual liquid outlet pipe (61) and the residual liquid tank (62) are respectively positioned between the upper mounting ring (20) and the lower mounting ring (40).
3. The multi-functional sensing device of claim 2,
a humidity sensor (314) is further arranged on the outer shell wall (311) of the shell wall (31), and a sensing end of the humidity sensor (314) abuts against the sponge (313) to be sensed.
4. The multi-functional sensing device of claim 1,
the leakage prevention unit further comprises a liquid storage cup (39), the liquid storage cup (39) is located between the end plate (37) and the connecting ring (38) and is located right below the connecting ring (38), the liquid storage cup (39) is fastened to an inner shell wall (312) of the shell wall (31), and a groove body (391) used for containing functional liquid is formed in the liquid storage cup (39).
5. The multi-functional sensing device of claim 4,
an annular ring (315) is formed in the inner wall (312) of the housing wall (31) and the outer ring of the reservoir cup (39) is secured within the annular ring (315) to reduce the volume of the housing wall (31) occupied by the reservoir cup (39) to facilitate the ingress of external air into the housing wall (31).
6. The multifunctional sensing device of claim 5,
an outer side wall (392) and an inner side wall (393) are formed on the liquid storage cup (39), the groove body (391) is located between the outer side wall (392) and the inner side wall (393), the outer side wall (392) and the inner side wall (393) are arranged in an equal thickness mode, the circular ring opening (315) and the liquid storage cup (39) are arranged in an equal height mode, the groove width of the circular ring opening (315) is equal to the wall thickness of the outer side wall (392), and the groove body (391) is located right below the connecting ring main body (381) so that liquid can be accumulated conveniently.
7. The multifunctional sensing device of claim 1,
the body unit (30) further comprises a first electrode (34), a second electrode (35) and a third electrode (36) which are arranged in the chamber of the shell wall (31) and immersed in the functional liquid (32), wherein a first electrode pin (341), a second electrode pin (351) and a third electrode pin (361) which are arranged in one-to-one correspondence with the first electrode (34), the second electrode (35) and the third electrode (36) are arranged on the closed end of the top end of the shell wall (31), and the first electrode pin (341), the second electrode pin (351) and the third electrode pin (361) are respectively connected with the first electrode (34), the second electrode (35) and the third electrode (36) through electrode leads.
8. The multi-functional sensing device of claim 7,
the electrode leads are distributed in the accommodating space of the shell wall (31), and a protective layer for preventing functional liquid from corroding is coated on the electrode leads.
9. The multi-functional sensing device of claim 1,
the soft film (53) is in a thin-wall conical shape, the tip end of the soft film (53) faces the floating block (71), and the through hole in the soft film (53) is located on the tip end.
10. The multi-functional sensing device of claim 7,
the first cylinder (54) and the second cylinder (55) are respectively fastened on the circumferential wall of the outer shell (10) through a mounting seat.
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