CN212004484U

CN212004484U - Self-sensing electromagnetic pulse valve convenient to install

Info

Publication number: CN212004484U
Application number: CN202020448478.1U
Authority: CN
Inventors: 刘瑾; 鲁华火; 邓雅莉
Original assignee: SUZHOU XIECHANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: SUZHOU XIECHANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-24
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a self-sensing electromagnetic pulse valve convenient for installation, which comprises a valve body with an open upper end, a valve cover arranged on the valve body, and a diaphragm assembly arranged between the valve body and the valve cover, wherein the diaphragm assembly comprises a diaphragm, a pressing plate and a sealing plate, the pressing plate is respectively arranged on the upper end surface of the diaphragm, the sealing plate is arranged on the lower end surface of the diaphragm, the electromagnetic pulse valve also comprises a magnet arranged on the diaphragm assembly, a magnetic proximity sensor assembly used for sensing the position of the magnet and further reflecting the opening and closing state of the diaphragm, a mounting hole is arranged on the valve cover, the magnetic proximity sensor assembly is arranged on the mounting hole, the magnet is provided with a plurality of magnets which are uniformly distributed on the diaphragm assembly in a circular manner, the annular circle center formed by the center coplanarity of all the magnets is on the axis of the diaphragm assembly, the magnets are uniformly distributed on the diaphragm assembly, the, and the installation can be quickly finished without professional staff.

Description

Self-sensing electromagnetic pulse valve convenient to install

Technical Field

The utility model belongs to the dust collecting equipment field, in particular to self-perception electromagnetic pulse valve convenient to installation.

Background

The electromagnetic pulse valve is a key component for determining the performance of a pulse ash removal system, generally comprises a valve body, a valve cover, a diaphragm and a distance sensor arranged at the center of the bottom surface of the valve cover, and the traditional electromagnetic pulse valve has the following problems: 1. the reaction time is long and the reaction is not sensitive enough; 2. because the distance sensor is located the central point and its overcoat is equipped with the spring that is used for connecting the diaphragm, and the spring can be to the signal interference of distance sensor, 3, because the mounted position is located the center, this regional part is more, and the operation degree of difficulty is big when leading to the installation, and the installation is inconvenient. In order to solve the above problems, some electromagnetic pulse valves have a sensor mounted eccentrically to solve the above problems, but the sensor still has a problem of low sensitivity.

Disclosure of Invention

The utility model aims at providing a sensitivity is high and the stable self-perception electromagnetic pulse valve of being convenient for installation of signal.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a self-sensing electromagnetic pulse valve convenient to install comprises a valve body with an opening at the upper end, a valve cover arranged on the valve body, a diaphragm assembly arranged between the valve body and the valve cover, a magnet arranged on the diaphragm assembly, and a magnetic proximity inductor assembly used for inducing the position of the magnet and further reflecting the opening and closing state of the diaphragm assembly, wherein a mounting hole is formed in the valve cover; or the magnet is annular and is arranged coaxially with the diaphragm assembly.

Preferably, the magnet comprises a magnetic body and a protective sleeve coated on the outer layer of the magnetic body.

Preferably, the mounting hole is a threaded hole, a sealing mounting groove is formed in the periphery of the upper end of the mounting hole, the magnetic proximity sensor assembly comprises a magnetic proximity sensor, a fixing seal sleeve and a mounting ring, the magnetic proximity sensor is provided with threads matched with the threads in the mounting hole, the mounting ring is arranged on the magnetic proximity sensor, the sealing ring is arranged in the mounting groove, and the lower end face of the mounting ring is pressed on the sealing ring.

Preferably, the self-sensing electromagnetic pulse valve convenient to install further comprises a display for displaying the working state of the diaphragm.

Optimized, the mounting hole includes that upper segment hole and internal diameter are less than the hypomere hole of upper segment hole internal diameter, is located be equipped with the threaded connection hole on the upper surface of valve gap around the mounting hole, magnetism is close the inductor subassembly including the magnetism that has first flange circle, has the sealed sleeve pipe of second flange circle, it inserts and locates to be close the inductor upper segment hole with it is downthehole to hypomere, sealed sleeve pipe seal cover is located be close on the inductor and insert and locate the upper segment is downthehole, the second flange circle is located the below of first flange circle and both compress tightly in through connecting in the downthehole bolt assembly of threaded connection on the valve cover.

Preferably, the diaphragm assembly comprises a diaphragm, a pressing plate arranged on the upper end face of the diaphragm and a sealing plate arranged on the lower end face of the diaphragm, and the magnet is arranged on the pressing plate and located below the mounting hole.

Further, the magnet is installed on the lower end surface of the pressing plate.

Furthermore, a through hole is formed between the pressing plate and the magnet.

Preferably, the centers of the magnets are concentric, the circle is a reference circle, and the mounting hole is positioned above the reference circle.

Furthermore, the part of the diaphragm pressed by the valve cover and the valve body is an outer ring of the diaphragm, the outer ring is provided with mounting positioning holes for fixing the diaphragm, the number of the magnets is the same as that of the mounting positioning holes, the projection of the circle center of the mounting positioning holes on the reference surface and the connection line of the circle center of the reference circle form divergent dividing lines, and the center of each magnet is located on the dividing line of the included angle formed by two adjacent dividing lines.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses be close the eccentric installation of inductor on the valve bonnet with magnetism to utilize its and install the response and the feedback that realize the diaphragm switching state of magnet on the diaphragm subassembly, can detect the operating condition of diaphragm in real time and sensitively, and magnet evenly distributed is on the diaphragm subassembly, and the magnet is close the trigger distance of inductor to magnetism and equals everywhere, when needs change the diaphragm subassembly, need not to notice the mounted position of magnet, also need not the professional, just can swiftly install and accomplish.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural diagram of the second embodiment;

FIG. 3 is a schematic structural view of a seal bushing according to a second embodiment

FIG. 4 is a schematic structural diagram of the third embodiment;

FIG. 5 is a schematic view of the installation position of the magnet;

fig. 6 is a schematic view of the structure of the magnet.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to 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," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The invention will be further described with reference to examples of embodiments shown in the drawings.

The first embodiment is as follows: see figures 1, 5 and 6.

The self-sensing electromagnetic pulse valve convenient to install comprises a valve body 1 with an open upper end, a valve cover 2 arranged on the valve body 1, a pilot valve 3 arranged on the valve body 1, and a diaphragm assembly 4 arranged between the valve body 1 and the valve cover 2, and further comprises a display used for displaying the working state of the diaphragm. The valve cover 2 is made of anticorrosive non-magnetic material, such as aluminum material or anticorrosive plastic material, and the valve body 1 is internally provided with a main cavity 5.

Diaphragm subassembly 4 includes diaphragm 41, locate the clamp plate 42 of diaphragm 41 up end and the closing plate 43 of lower terminal surface respectively, when the self-perception electromagnetic pulse valve of being convenient for to install was closed, the sealed lid of closing plate 43 was located on main cavity 5, set up the mounting hole 21 that link up on the valve gap 2, the electromagnetic pulse valve is still including locating magnet 6 on diaphragm subassembly 4, be used for responding to magnet 6 position and then the magnetism that reacts diaphragm 41 on-off state is close inductor subassembly 7, magnetism is close inductor subassembly 7 and installs in mounting hole 21. The mounting hole 21 is a threaded hole, a sealing mounting groove 22 is arranged on the upper surface of the valve cover 2 on the periphery of the upper end of the mounting hole 21, the magnetic proximity sensor assembly 7 comprises a magnetic proximity sensor 72, a mounting ring 73 and a sealing ring 74, the periphery of the magnetic proximity sensor is provided with threads matched with the threads in the mounting hole 21, the mounting ring 73 is fixedly and hermetically arranged on the magnetic proximity sensor 72, the sealing ring 74 is arranged in the mounting groove, the magnetic proximity sensor 72 can sense the triggering and the measurement of specified measured values or positions by utilizing an electromagnetic working principle, and converts the measured values or the measured positions into usable output signals according to a certain rule, the output signals comprise devices or devices of signals such as analog quantity signals, digital quantity signals and switching quantity signals, and the lower end surface of the mounting ring 73 is pressed. The magnet 6 is mounted on the platen 42 below the mounting hole 21. The magnet 6 is arranged on the lower end face of the pressing plate 42, the magnet 6 comprises a magnetic body 61 and a protective sleeve 62 which is coated on the outer layer of the magnetic body 61 and used for preventing the magnetic body from being damaged, the protective sleeve is made of non-magnetic materials such as aluminum sheets and plastics, in order to facilitate positioning and check whether the magnet 6 is arranged in place, the pressing plate 42 between the pressing plate 42 and the magnet 6 is provided with a through hole 421, glue can be added into the through hole, and the magnet 6 is reinforced and fixed.

The magnet 6 has a plurality of or is annular and is arranged coaxially with the diaphragm assembly. In the present embodiment, the magnets 6 are evenly distributed on the diaphragm assembly in a circular shape, the centers of all the magnets 6 are coplanar to form a ring, the center of the ring is on the axis of the diaphragm assembly, and the common plane is a reference plane. The centers of the magnets 6 are concentric, the circle is a reference circle, and the mounting holes are positioned above the reference circle. The part of the diaphragm 41 pressed by the valve cover and the valve body is an outer ring of the diaphragm 41, the outer ring is provided with mounting positioning holes 411 for fixing the diaphragm 41, the number of the magnets 6 is the same as that of the mounting positioning holes, the projections of the centers of the mounting positioning holes on the reference surface and the connecting line of the centers of the reference circles respectively form divergent dividing lines 8, and the center of each magnet 6 is positioned on the bisector 9 of the included angle formed by two adjacent dividing lines.

Example two: see fig. 2-3, 5-6.

The self-sensing electromagnetic pulse valve convenient to install comprises a valve body 1 with an open upper end, a valve cover 2 arranged on the valve body 1, a pilot valve 3 arranged on the valve body 1, and a diaphragm assembly 4 arranged between the valve body 1 and the valve cover 2. The valve body 1 has a main chamber 5 therein.

Diaphragm subassembly 4 includes diaphragm 41, locate diaphragm 41 up end and clamp plate 42 and closing plate 43 of terminal surface down respectively, when the self-perception electromagnetic pulse valve of being convenient for to install was closed, the sealed lid of closing plate 43 was located on main cavity 5, set up the mounting hole 21 that link up on the valve gap 2, the electromagnetic pulse valve is still including locating magnet 6 on diaphragm subassembly 4, be used for responding to magnet 6 position and then the magnetism that reacts diaphragm 41 on-off state is close inductor subassembly 7, magnetism is close inductor subassembly 7 and installs on mounting hole 21. The mounting hole 21 comprises an upper section hole 211 and a lower section hole 212 with the inner diameter smaller than that of the upper section hole 211, a threaded connection hole 23 is arranged on the upper surface of the valve cover 2 around the mounting hole 21, the magnetic proximity sensor assembly 7 comprises a magnetic proximity sensor 72 with a first flange ring 721 and a sealing sleeve 75 with a second flange ring 751, sealing convex rings 752 are respectively arranged on the inner side wall of the sealing sleeve 75 and the outer side wall circumference ring below the second flange ring 751, the magnetic proximity sensor 72 is inserted in the upper section hole 211 and the lower section hole 212, the magnetic proximity sensor 72 is a device or a device which can sense the triggering and the measurement of a specified measured quantity or position by utilizing the electromagnetic working principle, convert the signals into usable output signals according to a certain rule, the output signals comprise signals such as analog quantity signals, digital quantity signals, switching quantity signals and the like, the sealing sleeve 75 is hermetically sleeved on the proximity sensor and inserted in the upper section hole 211, the second flange 751 is positioned below the first flange 721 and both are pressed against the bonnet 2 by the bolt assembly 24 attached within the threaded connection hole 23. The magnet 6 is arranged on the lower end face of the pressing plate 42, the magnet 6 comprises a magnetic body 61 and a protective sleeve 62 which is coated on the outer layer of the magnetic body 61 and used for preventing the magnetic body from being damaged, the protective sleeve is made of non-magnetic materials such as aluminum sheets and plastics, in order to facilitate positioning and check whether the magnet 6 is arranged in place, the pressing plate 42 between the pressing plate 42 and the magnet 6 is provided with a through hole 421, glue can be added into the through hole, and the magnet 6 is reinforced and fixed.

The magnet 6 has a plurality of or is annular and is arranged coaxially with the diaphragm assembly. In the present embodiment, the magnets 6 are evenly distributed on the diaphragm assembly in a circular shape, the centers of all the magnets 6 are coplanar to form a ring, the center of the ring is on the axis of the diaphragm assembly, and the common plane is a reference plane. The centers of the magnets 6 are concentric, the circle is a reference circle, and the mounting holes are positioned above the reference circle. The part of the diaphragm 41 pressed by the valve cover and the valve body is an outer ring of the diaphragm 41, the outer ring is provided with installation positioning holes for fixing the diaphragm 41, the number of the magnets 6 is the same as that of the installation positioning holes, the projection of the circle center of the installation positioning holes on the reference plane and the connecting line of the circle center of the reference circle form divergent dividing lines, and the center of each magnet 6 is positioned on the dividing line of the included angle formed by two adjacent dividing lines.

Example three: see fig. 4-6.

The difference between the third embodiment and the first embodiment is that: the magnetic proximity sensor 72 is screwed to the mounting hole 21 without the mounting sleeve 71 and the mounting ring 73. The mounting hole 21 may be a through hole or a non-through hole, and in the present embodiment, the mounting hole 21 is a non-through hole and has a closed bottom.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a self-perception electromagnetic pulse valve convenient to installation, its includes the open valve body in upper end, locates valve gap on the valve body, install in the valve body with diaphragm assembly between the valve gap, electromagnetic pulse valve is still including locating magnet on the diaphragm assembly, be used for the response the magnet position and then the magnetism of reaction diaphragm open-close state are close the inductor subassembly, the mounting hole has been seted up on the valve gap, magnetism be close the inductor unit mount in the mounting hole, its characterized in that: the magnetic bodies are uniformly distributed on the diaphragm assembly in a circular manner, and the centers of all the magnetic bodies are coplanar to form an annular circle center, and the common plane on the axis of the diaphragm assembly is used as a reference plane; or the magnet is annular and is arranged coaxially with the diaphragm assembly.

2. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the magnet comprises a magnetic body and a protective sleeve coated on the outer layer of the magnetic body.

3. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the installation hole is a threaded hole, a sealing installation groove is formed in the periphery of the upper end of the installation hole, the upper surface of the valve cover is provided with a sealing installation groove, the magnetic proximity sensor assembly comprises a magnetic proximity sensor, a fixing sleeve and a sealing sleeve, the periphery of the magnetic proximity sensor assembly is provided with threads matched with the threads in the installation hole, the magnetic proximity sensor assembly is arranged on the installation ring on the magnetic proximity sensor assembly and a sealing ring in the installation groove, and the lower end face of the installation ring is pressed on the sealing ring.

4. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the self-sensing electromagnetic pulse valve convenient to install further comprises a display used for displaying the working state of the diaphragm.

5. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the mounting hole includes that upper segment hole and internal diameter are less than the hypomere hole of upper segment hole internal diameter, is located be equipped with the threaded connection hole on the upper surface of valve gap around the mounting hole, magnetism is close the inductor subassembly including the magnetism that has first flange circle, has the sealed sleeve pipe of second flange circle, it inserts and locates to be close the inductor the upper segment hole with it is downthehole to hypomere, sealed sleeve pipe seal cover is located be close on the inductor and insert and locate in the upper segment is downthehole, the second flange circle is located the below of first flange circle and both through connect in bolt assembly in the threaded connection hole compress tightly in on the valve cover.

6. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the diaphragm assembly comprises a diaphragm, a pressing plate and a sealing plate, the pressing plate is arranged on the upper end face of the diaphragm, the sealing plate is arranged on the lower end face of the diaphragm, and the magnet is arranged on the pressing plate and located below the mounting hole.

7. The easy-to-install, self-sensing solenoid pulse valve of claim 6, wherein: the magnet is arranged on the lower end face of the pressing plate.

8. The easy-to-install, self-sensing solenoid pulse valve of claim 7, wherein: and a through hole is formed between the pressing plate and the magnet.

9. The easy-to-install, self-sensing solenoid pulse valve of claim 1, wherein: the centers of the magnets are concentric, the circle is a reference circle, and the mounting hole is positioned above the reference circle.

10. The easy-to-install, self-sensing solenoid pulse valve of claim 9, wherein: the part of the diaphragm pressed by the valve cover and the valve body is an outer ring of the diaphragm, the outer ring is provided with mounting positioning holes for fixing the diaphragm, the number of the magnets is the same as that of the mounting positioning holes, the projection of the circle center of the mounting positioning holes on a reference plane and the connecting line of the circle centers of reference circles respectively form divergent dividing lines, and the center of each magnet is positioned on the dividing line of an included angle formed by two adjacent dividing lines.