Fluid valve and gas valve device

Abstract

The present invention discloses a fluid valve, which includes a valve body, a valve core, a valve core driver, and an electrical conduction component. The valve body is provided with a fluid input channel, a valve cavity, and a fluid output channel, and the fluid input channel communicates with the fluid output channel through the valve cavity; the valve core is rotatably arranged in the valve body and located in the valve cavity, and the valve core can rotate to adjust the fluid flow rate of the fluid output channel. The valve core extends outwards with an extending portion, and the extending portion is configured as a conductor; the valve core driver is arranged on the valve body and can drive the valve core to rotate; the electrical conduction component is arranged on the valve body; wherein, the extending portion can rotate with the valve core to abut against the electrical conduction component and be electrically connected. The present invention also discloses a gas valve device including the above-mentioned fluid valve.

Description

Technical Field

[0001] The present invention relates to the field of valves, and particularly to a fluid valve and a gas valve device. Background Art

[0002] In the existing gas valve, a valve core driver drives the valve core to rotate to change the gas flow rate of the fluid output channel. At the same time, a Hall sensor is used to detect the rotation angle of the valve core to control the gas flow rate of the fluid output channel. When the valve core rotates to a set position such as an extreme position, functions such as triggering the ignition function, closing the solenoid valve, or feeding back a signal to the control system can be realized. However, due to certain detection errors of the Hall sensor, the detection accuracy at some set positions is not high, posing a potential risk of unstable use. Summary of the Invention

[0003] An object of the present invention is to at least solve one of the technical problems existing in the prior art, and to provide a fluid valve that can have higher use stability and accuracy.

[0004] The present invention also provides a gas valve device including the above fluid valve.

[0005] The fluid valve according to an embodiment of the first aspect of the present invention includes a valve body, a valve core, a valve core driver, and a conductive component. The valve body is provided with a fluid input channel, a valve cavity, and a fluid output channel, and the fluid input channel communicates with the fluid output channel through the valve cavity; the valve core is rotatably disposed in the valve body and located in the valve cavity, and the valve core can rotate to adjust the fluid flow rate of the fluid output channel. The valve core extends outwardly with an extending portion, and the extending portion is configured as a conductor; the valve core driver is disposed on the valve body and can drive the valve core to rotate; the conductive component is disposed on the valve body; wherein, the extending portion can rotate with the valve core to abut against the conductive component and be electrically connected.

[0006] The fluid valve according to an embodiment of the first aspect of the present invention has at least the following beneficial effects: The valve core driver drives the valve core to rotate until the extending portion of the valve core is electrically connected to the conductive component. At this time, the valve core is in a set position. At this time, the extending portion and the conductive component are electrically connected to generate a connection signal. Cooperating with an external control system, it can be determined that the valve core has rotated to the set position, and functional components can also be connected to accurately trigger the functional components at the set position of the valve core, thereby having higher use stability and accuracy.

[0007] According to some embodiments of the present invention, it further includes a potential detector disposed on the valve body, and one of the extending portion and the conductive component is electrically connected to the potential detector, and the other is grounded.

[0008] According to some embodiments of the present invention, the conductive assembly includes two electrically insulated conductive members, and the conductive members are provided with limiting portions for restricting the rotation of the protruding portion. The two limiting portions are respectively used to limit the two ends of the rotation angle range of the protruding portion.

[0009] According to some embodiments of the present invention, the conductive member is snap-fitted to the valve body.

[0010] According to some embodiments of the present invention, the conductive members are located on the outer periphery of the valve core. The two conductive members are arranged side by side. The limiting portion of one conductive member is located on the side of the conductive member away from the other conductive member, and the limiting portion and the protruding portion are opposite to each other along the circumferential direction of the valve core.

[0011] According to some embodiments of the present invention, the conductive assembly includes two electrically insulated conductive members. The potential detector is provided with two signal receiving ends. The conductive members are electrically connected to the signal receiving ends in a one-to-one correspondence, and the protruding portion is electrically connected to the ground.

[0012] According to some embodiments of the present invention, the valve core driver is configured as a motor. The motor is provided with an output shaft. The output shaft is connected to the valve core and rotates synchronously with the valve core. The valve core includes a main body and a strip-shaped member. The main body is provided with a receiving cavity. One end of the output shaft is received in the receiving cavity. The cavity wall of the receiving cavity is provided with a plug-in groove. The output shaft is provided with a plug-in hole in the radial direction. The strip-shaped member is inserted into the plug-in hole and inserted into the plug-in groove. One end of the strip-shaped member passes through the plug-in groove and protrudes outward to form the protruding portion.

[0013] According to some embodiments of the present invention, the plug-in groove extends along the axial direction of the output shaft to the outside of the main body. There are two plug-in grooves, and the two plug-in grooves are arranged oppositely. The strip-shaped member is respectively inserted into the two plug-in grooves. One end of the strip-shaped member forms the protruding portion, and the other end is received in the corresponding plug-in groove.

[0014] According to some embodiments of the present invention, a Hall sensor is further included. The Hall sensor is provided on the valve body and is used to detect the rotation angle of the valve core.

[0015] According to the gas valve device of the second aspect embodiment of the present invention, the above-mentioned fluid valve is adopted, and at least two fluid valves are provided and are arranged in parallel with each other.

[0016] The gas valve device according to the second aspect embodiment of the present invention has at least the following beneficial effects: Since the above-mentioned fluid valve is adopted, it can have higher use stability and accuracy.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Brief Description of the Drawings

[0018] The present invention will be further described below in conjunction with the drawings and embodiments;

[0019] Figure 1 Stereoscopic schematic diagram of the fluid valve according to an embodiment of the present invention;

[0020] Figure 2 Cross-sectional schematic diagram of the fluid valve according to an embodiment of the present invention;

[0021] Figure 3 Cross-sectional schematic diagram of the fluid valve according to an embodiment of the present invention;

[0022] Figure 4 Explosion schematic diagram of some components of the fluid valve according to an embodiment of the present invention;

[0023] Figure 5 For Figure 4 Partial enlarged schematic diagram at position C;

[0024] Figure 6 Explosion schematic diagram of some components of the fluid valve according to an embodiment of the present invention;

[0025] Figure 7 Stereoscopic schematic diagram of the gas valve device according to an embodiment of the present invention.

[0026] Reference Signs:

[0027] Valve body 100, fluid input channel 110, valve cavity 120, fluid output channel 130;

[0028] Valve core 200, main body 210, accommodation cavity 211, insertion slot 212, strip-shaped member 220, protruding portion 221;

[0029] Valve core driver 300, output shaft 310;

[0030] Conductive assembly 400, conductive member 410, limiting portion 411;

[0031] Hall sensor 500. Detailed Description of the Embodiments

[0032] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be construed as a limitation on the protection scope of the present invention.

[0033] In the description of the present invention, it should be understood that regarding the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0034] In the description of the present invention, the meaning of "a number of" is one or more, the meaning of "a plurality of" is two or more. Understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0035] In the description of the present invention, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0036] Refer to Figures 1 to 6, which is a fluid valve according to an embodiment of the present invention, includes a valve body 100, a valve core 200, a valve core driver 300, and an electrical conduction assembly 400. The valve body 100 is provided with a fluid input channel 110, a valve cavity 120, and a fluid output channel 130. The fluid input channel 110 communicates with the fluid output channel 130 through the valve cavity 120; the valve core 200 is rotatably arranged in the valve body 100 and located in the valve cavity 120. The valve core 200 can rotate to adjust the fluid flow rate of the fluid output channel 130. The valve core 200 extends outwardly with an extension 221, and the extension 221 is configured as a conductor; the valve core driver 300 is arranged on the valve body 100 and can drive the valve core 200 to rotate; the electrical conduction assembly 400 is arranged on the valve body 100; wherein, the extension 221 can rotate with the valve core 200 to abut against the electrical conduction assembly 400 and be electrically connected. The valve core driver 300 drives the valve core 200 to rotate until the valve core 200 rotates to a position where the extension 221 is in electrical conduction with the electrical conduction assembly 400. At this time, the valve core 200 is in a set position. At this time, the extension 221 and the electrical conduction assembly 400 are electrically connected to generate a connection signal. Cooperating with an external control system, it can be determined that the valve core 200 has rotated to the set position, and it can also connect to a functional component to accurately trigger the functional component at the set position of the valve core 200, thereby having higher use stability and accuracy. Specifically, the valve core 200 is provided with a connection channel. One end of the connection channel communicates with the fluid input channel 110, and the other end penetrates to the outer periphery of the valve core 200. When the valve core 200 rotates, the communication area between the fluid output channel 130 and the connection channel is adjusted to achieve the adjustment of the fluid flow rate. Specifically, in this embodiment, the set position specifically refers to the limit position of the rotation of the valve core 200. It can be understood that the set position can also be other positions, for example, the minimum firepower position, the maximum firepower position, or the ignition position, etc., not limited to the above embodiments. It can be understood that the valve core 200 can also be other structures. For example, one end of the connection channel of the valve core 200 communicates with the fluid output channel 130, and the other end penetrates to the outer periphery of the valve core 200. When the valve core 200 rotates, the communication area between the fluid input channel 110 and the connection channel is adjusted. Specifically, the extension 221 is made of copper. It can be understood that the extension 221 can also be other conductive materials, such as iron, aluminum, etc. Specifically, the functional component can be an electromagnetic valve for opening or closing the fluid input channel 110, or an ignition component, etc. Specifically, the fluid in this embodiment can be gas or other types of fluids, such as water, etc.

[0037] Refer to Figures 1 to 6, it further includes a potential detector disposed on the valve body 100. The conductive component 400 is electrically connected to the potential detector, and the protruding portion 221 is electrically connected to the ground. When the valve core 200 rotates to the set position, the potential detector can detect zero potential, thereby accurately detecting that the valve core 200 has rotated to the set position, which is beneficial to cooperate with other functional components to achieve different functions. It can be imagined that it is also possible that the protruding portion 221 is electrically connected to the potential detector and the conductive component 400 is electrically connected to the ground to achieve the same function.

[0038] Refer to Figures 1 to 6 , the conductive component 400 includes two mutually insulated conductive members 410. The conductive member 410 is provided with a limiting portion 411 for restricting the rotation of the protruding portion 221. The two limiting portions 411 are respectively used to limit the two ends of the rotation angle range of the protruding portion 221. When the valve core 200 rotates to both ends of the rotation angle range, the protruding portion 221 abuts against one of the two conductive members 410 respectively. While restricting the limit angle of rotation of the valve core 200, two different connection signals can be generated, which can better cooperate with other functional components. Specifically, the limiting portion 411 is configured as an inclined surface of the conductive member 410. Specifically, the material of the conductive member 410 is copper material, so as to be able to conduct electricity. It can be understood that the conductive member 410 can also be other conductive materials, such as iron, aluminum, etc.

[0039] Refer to Figures 1 to 6 , the conductive member 410 is snap-fitted to the valve body 100. Installing the conductive member 410 in a snap-fitting manner is convenient for installation.

[0040] Refer to Figures 1 to 6 , the conductive member 410 is located on the outer periphery of the valve core 200. The two conductive members 410 are arranged side by side. The limiting portion 411 of one conductive member 410 is located on the side of the conductive member 410 away from the other conductive member 410, and the limiting portion 411 and the protruding portion 221 are opposite in the circumferential direction of the valve core 200. For the two conductive members 410 with the above structure, the rotation angle range of the limiting portion 411 can be larger. It can be imagined that the limiting portion 411 of any one conductive member 410 can also be located on the side close to the other conductive member 410.

[0041] Refer to Figures 1 to 6, the potential detector is provided with two signal receiving ends, the conductive member 410 is electrically connected to the signal receiving ends in a one-to-one correspondence, and the protruding portion 221 is electrically connected to the ground. When the valve core 200 rotates to both ends of the rotation angle range, the protruding portion 221 abuts against one of the two conductive members 410 respectively. By using the signal receiving ends of the potential detector to receive the zero potential of the corresponding conductive member 410, it can be detected which end of the angle range the valve core 200 rotates to, so that two limit positions can be detected, which are used to form the angle of the valve core 200 when the fluid valve is closed and the angle of the valve core 200 when the opening of the fluid output channel 130 is the smallest, two usage states of the fluid valve, which is convenient to understand the state of the fluid valve, and can also cooperate with an external control module and other functional components to form the basis for automatic control.

[0042] Refer to Figures 1 to 6 , the valve body 100 is provided with two mounting holes, the hole walls of the mounting holes are provided with clamping protrusions, the conductive member 410 is provided with clamping grooves, the two conductive members 410 are respectively arranged in the two mounting holes in a one-to-one correspondence, and the clamping protrusions are clamped and matched with the corresponding clamping grooves. The clamping installation method of the above structure is simple and easy to implement. It can be imagined that there can also be other installation structures and is not limited to the above embodiments. For example, or a hook portion is provided on the valve body 100, a clamping groove is provided on the conductive member 410, and the clamping groove is matched with the hook portion to realize clamping installation.

[0043] Refer to Figures 1 to 6 , the valve core driver 300 is configured as a motor, the motor is provided with an output shaft 310, and the output shaft 310 is connected to the valve core 200 and rotates synchronously with the valve core 200. Using the motor to drive the valve core 200 to rotate, the control is relatively precise and has the basis for automation. It can be imagined that the valve core driver 300 can also be other structures and is not limited to the above embodiments. For example, the valve core driver 300 is a linear motor, a rack is arranged along the moving direction of the linear motor, teeth are arranged on the outer periphery of the valve core 200, and the teeth are meshed with the rack to drive the valve core 200 to rotate.

[0044] Refer to Figures 1 to 6, the valve core 200 includes a main body 210 and a strip-shaped member 220. The main body 210 is provided with a receiving cavity 211. One end of the output shaft 310 is received in the receiving cavity 211. The cavity wall of the receiving cavity 211 is provided with a plugging groove 212. The output shaft 310 is provided with a plugging hole in the radial direction. The strip-shaped member 220 is plugged into the plugging hole and into the plugging groove 212. One end of the strip-shaped member 220 passes through the plugging groove 212 and extends outward to form an extending portion 221. The strip-shaped member 220 is plugged into the plugging hole and into the plugging groove 212. When the output shaft 310 rotates, the valve core 200 is driven to rotate through the strip-shaped member 220, so as to be adapted to motors with different diameters of the output shaft 310. Specifically, the strip-shaped member 220 is a cylindrical rod. It can be imagined that it can also be other structures and is not limited to the above embodiments. For example, a threaded hole is provided in the valve core 200, and a threaded column portion is provided on the output shaft 310. The threaded column portion is threadedly connected to the threaded hole to realize the synchronous rotation of the valve core 200 and the output shaft 310. At this time, the extending portion 221 can be the strip-shaped member 220 directly plugged into the valve core 200; or a non-circular hole is provided in the valve core 200, and a non-cylindrical portion is correspondingly provided at one end of the output shaft 310. The non-cylindrical portion is plugged into the non-circular hole, so that the output shaft 310 and the valve core 200 rotate synchronously. At this time, the extending portion 221 can be the strip-shaped member 220 directly plugged into the valve core 200. The strip-shaped member 220 can be a rod with a square cross-section.

[0045] Referring to Figures 1 to 6 , the plugging groove 212 extends along the axial direction of the output shaft 310 to the outside of the main body 210. For the valve core 200 with the above structure, after the output shaft 310 is plugged with the strip-shaped member 220, it can be directly plugged into the receiving cavity 211 along the axial direction, and the installation structure is simple and the installation method is more convenient.

[0046] Referring to Figures 1 to 6 , there are two plugging grooves 212. The two plugging grooves 212 are arranged oppositely. The strip-shaped member 220 is respectively plugged into the two plugging grooves 212. One end of the strip-shaped member 220 forms an extending portion 221, and the other end is received in the corresponding plugging groove 212. For the structure in which the output shaft 310 and the valve core 200 rotate synchronously with the above structure, the installation is more firm. It can be understood that only one plugging groove 212 can also be provided.

[0047] Specifically, in this embodiment, the motor is grounded. The extending portion 221 realizes the grounded zero potential through the connection with the motor output shaft 310.

[0048] Referring to Figures 1 to 6 , it further includes a Hall sensor 500. The Hall sensor 500 is arranged on the valve body 100 and is used to detect the rotation angle of the valve core 200. By setting the Hall sensor 500, the Hall sensor 500 can also be used to detect the rotation angle of the valve core 200, further improving the use stability of the fluid valve and facilitating the control of different functional components, such as igniting or opening and closing solenoid valves, etc.

[0049] Referring to Figure 7 , a gas valve device provided by the present invention is provided with two fluid valves, and the fluid valves are arranged in parallel with each other. The parallel arrangement of the fluid valves enables the gas valve device to have two fluid output channels 130, which can be simultaneously connected to two gas-using devices. The gas valve device with the above structure has better safety due to the adoption of the fluid valve with the above structure. It can be imagined that the gas valve device can also be provided with three or more fluid valves, and the fluid valves are arranged in parallel with each other to supply three or more gas-using devices.

[0050] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A fluid valve, characterized in that, comprising: a valve body (100) provided with a fluid input channel (110), a valve cavity (120) and a fluid output channel (130), wherein the fluid input channel (110) communicates with the fluid output channel (130) through the valve cavity (120); a valve core (200) rotatably arranged in the valve body (100) and located in the valve cavity (120), the valve core (200) can rotate to adjust the fluid flow rate of the fluid output channel (130), and the valve core (200) extends outwards with an extension part (221), and the extension part (221) is configured as a conductor; a valve core driver (300) arranged on the valve body (100) and capable of driving the valve core (200) to rotate; a conductive component (400) arranged on the valve body (100); wherein, the extension part (221) can rotate with the valve core (200) to abut against the conductive component (400) and be electrically connected; it further comprises a potential detector arranged on the valve body (100), one of the extension part (221) and the conductive component (400) is electrically connected to the potential detector, and the other is grounded; the conductive component (400) includes two mutually insulated conductive parts (410), and the conductive parts (410) are provided with limiting parts (411) for limiting the rotation of the extension part (221), and the two limiting parts (411) are respectively used for limiting both ends of the rotation angle range of the extension part (221).

2. The fluid valve according to claim 1, characterized in that: the conductive part (410) is snap - connected to the valve body (100).

3. The fluid valve according to claim 1, characterized in that: the conductive part (410) is located on the outer periphery of the valve core (200), the two conductive parts (410) are arranged side by side, the limiting part (411) of one conductive part (410) is located on the side of the conductive part (410) away from the other conductive part (410), and the limiting part (411) and the extension part (221) are opposite in the circumferential direction of the valve core (200).

4. The fluid valve according to claim 1, characterized in that: the conductive component (400) includes two mutually insulated conductive parts (410), the potential detector is provided with two signal receiving ends, the conductive parts (410) are electrically connected to the signal receiving ends in one - to - one correspondence, and the extension part (221) is grounded.

5. The fluid valve according to claim 1, characterized in that: The spool driver (300) is configured as a motor, the motor is provided with an output shaft (310), and the output shaft (310) is connected to the spool (200) and rotates synchronously with the spool (200); the spool (200) includes a main body (210) and a strip-shaped member (220), the main body (210) is provided with a receiving cavity (211), one end of the output shaft (310) is received in the receiving cavity (211), a plugging groove (212) is formed in the cavity wall of the receiving cavity (211), a plugging hole is provided in the output shaft (310) in the radial direction, the strip-shaped member (220) is plugged in the plugging hole and plugged in the plugging groove (212), and one end of the strip-shaped member (220) passes through the plugging groove (212) and extends outwards to form the extending portion (221).

6. The fluid valve according to claim 5, characterized in that: the plugging groove (212) extends along the axial direction of the output shaft (310) to the outside of the main body (210); there are two plugging grooves (212), the two plugging grooves (212) are arranged oppositely, the strip-shaped member (220) is respectively plugged in the two plugging grooves (212), one end of the strip-shaped member (220) forms the extending portion (221), and the other end is received in the corresponding plugging groove (212).

7. The fluid valve according to claim 1, characterized in that: it further includes a Hall sensor (500), and the Hall sensor (500) is arranged on the valve body (100) and is used to detect the rotation angle of the spool (200).

8. A gas valve device, characterized in that, it includes the fluid valve according to any one of claims 1 to 7, and at least two of the fluid valves are arranged in parallel with each other.

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