阅读说明：本技术 一种新型微流量气体质量流量控制器 (Novel micro-flow gas mass flow controller ) 是由 席鹏 吴永刚 陈雪菲 于 2021-07-30 设计创作，主要内容包括：本发明属于公开了一种新型微流量气体质量流量控制器,包括流量计本体,所述流量计本体的顶壁连接有电源接口,所述流量计本体的背部安装有信号收发器,所述流量计本体的侧壁由上至下依次连接有串口和阀门接口,所述阀门接口靠近流量计本体的外圆周壁连接有微流量控制组件,所述微流量控制组件包括立筒,具体涉及新型气体质量流量控制器技术领域。该新型微流量气体质量流量控制器,通过设置有微流量控制组件,由于丝杠与轴承转动连接,且球体通过导杆与套筒连接,套筒套设在丝杠外部,故在电机驱动时,丝杠会受电机影响有转动的趋势,此时球体与导杆自由度受限,丝杠将带动轴承和电机沿着块槽方向运动。(The invention belongs to the technical field of novel micro-flow gas mass flow controllers, and particularly relates to a novel micro-flow gas mass flow controller which comprises a flowmeter body, wherein the top wall of the flowmeter body is connected with a power supply interface, the back of the flowmeter body is provided with a signal transceiver, the side wall of the flowmeter body is sequentially connected with a serial port and a valve interface from top to bottom, the outer circumferential wall of the valve interface, which is close to the flowmeter body, is connected with a micro-flow control assembly, and the micro-flow control assembly comprises a vertical cylinder. This novel micro-flow gas mass flow controller, through being provided with micro flow control subassembly, because the lead screw rotates with the bearing to be connected, and the spheroid passes through guide arm and muffjoint, and the cover barrel casing is established at the lead screw outside, so when motor drive, the lead screw can have the pivoted trend by the motor influence, and spheroid and guide arm degree of freedom are limited this moment, and the lead screw will drive bearing and motor along the motion of piece groove direction.)

1. The utility model provides a novel micro-flow gas mass flow controller, includes flowmeter body (1), its characterized in that: the top wall of flowmeter body (1) is connected with power source (2), signal transceiver (6) is installed at the back of flowmeter body (1), the lateral wall of flowmeter body (1) has connected gradually serial ports (3) and valve interface (4) from top to bottom, the outer periphery wall that valve interface (4) is close to flowmeter body (1) is connected with little flow control subassembly (5), little flow control subassembly (5) include upright section of thick bamboo (51), the inside wall swing joint of upright section of thick bamboo (51) has motor cabinet (54), the diapire fixedly connected with motor (56) of motor cabinet (54), the output rotation of motor (56) is connected with lead screw (58), the below of lead screw (58) is provided with ball seat (59), the inside of ball seat (59) is provided with spheroid (9), the one end that motor (56) was kept away from in lead screw (58) passes ball seat (59) and extends to the inside of spheroid (9), the outer circumferential wall cover of lead screw (58) is equipped with sleeve (57), the diapire welding of sleeve (57) has a plurality of guide arm (50), ball seat (59) and spheroid (9) fixed connection are passed to the one end that sleeve (57) was kept away from in guide arm (50).

2. The novel micro-fluidic gas mass flow controller of claim 1, wherein: still include signal converter, serial ports (3) read flowmeter body (1) data, data include flow setting data, flow output data and valve control data, signal converter converts flow setting data, flow output data, valve control data into flow setting signal, flow output signal and valve control signal respectively, signal converter sets for signal, flow output signal and valve control signal transmission to the host computer with flow, the host computer changes flow setting signal parameter, flow output data signal parameter, valve control data signal parameter, the host computer passes through signal converter and sets for signal parameter, flow output data signal parameter, valve control data signal parameter redelivering the flowmeter body (1) with the flow of change.

3. The novel micro-fluidic gas mass flow controller of claim 2, wherein: still include wireless terminal, wireless terminal includes display module, wireless module and control module, the internally mounted of motor (56) has wireless receiving module, wireless module and wireless receiving module wireless signal connection, control module assigns value ball valve control signal instruction, ball valve control signal instruction passes back signal transceiver through wireless terminal, signal transceiver converts ball valve control signal instruction into ball valve control signal, signal transceiver passes ball valve control signal back signal converter, signal converter passes ball valve control signal back flowmeter body (1).

4. The novel micro-fluidic gas mass flow controller of claim 3, wherein: and a clamping plate (7) is arranged at the back of the flowmeter body (1).

5. The novel micro-fluidic gas mass flow controller of claim 4, wherein: a ball groove (91) is formed in the ball body (9), a bearing (92) is movably connected in the ball groove (91), and one end, far away from the motor (56), of the lead screw (58) is rotatably connected with the bearing (92).

6. The novel micro-fluidic gas mass flow controller of claim 5, wherein: the spring plate (8) is installed on the inner side wall of the clamping plate (7).

7. The novel micro-fluidic gas mass flow controller of claim 6, wherein: the inner side wall of the vertical cylinder (51) is welded with a sliding rod (52), the outer side wall of the motor base (54) is provided with a sliding groove (55), and the sliding rod (52) is movably connected with the sliding groove (55).

8. The novel micro-fluidic gas mass flow controller of claim 7, wherein: the spring (53) is welded on the inner top wall of the vertical cylinder (51), and one end, far away from the vertical cylinder (51), of the spring (53) is fixedly connected with the motor base (54).

9. The novel micro-fluidic gas mass flow controller of claim 8, wherein: the inner circular wall array of the ball groove (91) is provided with block grooves (94), the outer circular wall of the bearing (93) is welded with a sliding block (93), and the sliding block (93) is movably connected with the block grooves (94).

10. The novel micro-fluidic gas mass flow controller of claim 9, wherein: the elastic sheet (8) is of an inverted L-shaped structure, and the short edge of the inverted L-shaped structure is fixedly connected with the side wall of the clamping block (7).

Technical Field

The invention belongs to the technical field of novel gas mass flow controllers, and particularly relates to a novel micro-flow gas mass flow controller.

Background

The gas mass flow controller is applied to the measurement and control of the mass flow of fuel gas for boilers and cracking furnaces; measuring mass flow of petrochemical, oil extraction and flare gas; measuring and controlling the air mass flow for the combustion furnace; the gas flow control and metering device is commonly used in the fields of gas turbine hydrogen mass flow control, food processing, beverage gas mass flow control and the like.

Because the gas mass flow controller generally only obtains the parameter of gas mass flow through plugging into with the cable, lead to the equipment can not wireless remote use, and when valve interface connection, lack the gaseous micro-flow of active control equipment control valve interface input, lead to excessive gas instantaneous release and impact inside the gas mass flow controller, easily cause the device to damage.

Disclosure of Invention

The present invention is directed to a novel micro-flow gas mass flow controller to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a novel micro-flow gas mass flow controller comprises a flow meter body, wherein the top wall of the flow meter body is connected with a power supply interface, a signal transceiver is installed at the back of the flow meter body, the side wall of the flow meter body is sequentially connected with a serial port and a valve interface from top to bottom, the outer circumferential wall of the valve interface, which is close to the flow meter body, is connected with a micro-flow control assembly, the micro-flow control assembly comprises a vertical cylinder, the inner side wall of the vertical cylinder is movably connected with a motor base, the bottom wall of the motor base is fixedly connected with a motor, the output end of the motor is rotatably connected with a lead screw, a ball seat is arranged below the lead screw, a ball body is arranged inside the ball seat, one end of the lead screw, which is far away from the motor, penetrates through the ball seat and extends to the inside of the ball body, the outer circumferential wall of the lead screw is sleeved with a sleeve, and a plurality of guide rods are welded on the bottom wall of the sleeve, one end of the guide rod, which is far away from the sleeve, penetrates through the ball seat and is fixedly connected with the ball body.

Preferably, still include signal converter, the flowmeter body data is read to the serial ports, the data include flow setting data, flow output data and valve control data, signal converter converts flow setting data, flow output data, valve control data into flow setting signal, flow output signal and valve control signal respectively, signal converter passes flow setting signal, flow output signal and valve control signal to the host computer, the host computer changes flow setting signal parameter, flow output data signal parameter, valve control data signal parameter, the host computer passes through signal converter and sets up signal parameter, flow output data signal parameter, valve control data signal parameter with the flow that changes and retransfer to the flowmeter body.

Preferably, still include wireless terminal, wireless terminal includes display module, wireless module and control module, the internally mounted of motor has wireless receiving module, wireless module and wireless receiving module wireless signal connection, control module assigns value ball valve control signal instruction, ball valve control signal instruction passes back signal transceiver through wireless terminal, signal transceiver converts ball valve control signal instruction into ball valve control signal, signal transceiver passes ball valve control signal back signal converter, signal converter passes ball valve control signal back the flowmeter body.

Preferably, a clamping plate is installed at the back of the flowmeter body.

Preferably, a ball groove is formed in the ball body, a bearing is movably connected in the ball groove, and one end, far away from the motor, of the screw rod is rotatably connected with the bearing.

Preferably, the spring plate is installed on the inner side wall of the clamping plate.

Preferably, the inner side wall of the vertical cylinder is welded with a sliding rod, the outer side wall of the motor base is provided with a sliding groove, and the sliding rod is movably connected with the sliding groove.

Preferably, the inner top wall of the vertical cylinder is welded with a spring, and one end of the spring, which is far away from the vertical cylinder, is fixedly connected with the motor base.

Preferably, the inner circumferential wall of the ball groove is provided with block grooves in an array mode, the outer circumferential wall of the bearing is welded with sliding blocks, and the sliding blocks are movably connected with the block grooves.

Preferably, the elastic sheet is of an inverted L-shaped structure, and the short edge of the inverted L-shaped structure is fixedly connected with the side wall of the clamping block.

Compared with the prior art, the invention has the following beneficial effects:

(1) this novel micro-flow gas mass flow controller, through being provided with micro-flow control subassembly, because the lead screw rotates with the bearing and is connected, and the spheroid passes through guide arm and muffjoint, the cover barrel is established at the lead screw outside, so when motor drive, the lead screw can have the pivoted trend by the motor influence, nevertheless the spheroid passes through guide arm and muffjoint, spheroid and guide arm degree of freedom are limited this moment, the lead screw will drive bearing and motor along piece groove direction motion, when lead screw and bearing arrive piece bottom of the groove portion, the lead screw end will oppress the spheroid and make its decline, the same reason, if when the motor reverses, the slider will block a groove and drive the spheroid and rise, valve kneck miniflow's control has been realized, the problem of excessive gas instantaneous release and the inside device that causes of impact gas mass flow controller and damage has been solved.

(2) This novel micro-flow gas mass flow controller, through being provided with signal transceiver, when wireless terminal sends ball valve control signal instruction through control module, wireless module can return wireless terminal with ball valve control signal instruction, then change ball valve control signal instruction into ball valve control signal under signal transceiver's effect, then return signal converter with ball valve control signal from signal transceiver again, because wireless receiving module is installed to the motor, finally pass ball valve control signal back the motor through signal converter, control motor realizes spheroidal motion, can realize the ability of the wireless remote control spheroid motion of equipment.

(3) This novel micro-flow gas mass flow controller through being provided with splint, can be convenient for hang the flowmeter body and establish and carry between the waist, simultaneously, through being provided with the shell fragment for splint can not utilize the shell fragment can realize splint and the fixed operation by the clamp object under the circumstances of chucking, thereby avoid the centre gripping unstability to rock the risk that leads to the flowmeter body to drop, simple structure, facilitate promotion.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a signal transceiver according to the present invention;

FIG. 3 is a schematic structural view of a micro flow control assembly according to the present invention;

FIG. 4 is a schematic diagram of a sphere according to the present invention;

FIG. 5 is a schematic diagram of a wireless remote connection of the present invention;

FIG. 6 is a schematic view of the construction of the bearing of the present invention;

in the figure: the flow meter comprises a flow meter body 1, a power supply interface 2, a serial port 3, a valve interface 4, a micro-flow control assembly 5, a guide rod 50, a vertical cylinder 51, a sliding rod 52, a spring 53, a motor seat 54, a sliding chute 55, a motor 56, a sleeve 57, a lead screw 58, a ball seat 59, a signal transceiver 6, a clamping plate 7, an elastic sheet 8, a ball body 9, a ball groove 91, a bearing 92, a sliding block 93 and a groove 94.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: a novel micro-flow gas mass flow controller comprises a flow meter body 1, wherein a top wall of the flow meter body 1 is connected with a power supply interface 2, the back of the flow meter body 1 is provided with a signal transceiver 6, the side wall of the flow meter body 1 is sequentially connected with a serial port 3 and a valve interface 4 from top to bottom, the valve interface 4 is connected with a micro-flow control assembly 5 close to the outer circumferential wall of the flow meter body 1, the micro-flow control assembly 5 comprises a vertical cylinder 51, the inner side wall of the vertical cylinder 51 is movably connected with a motor base 54, the bottom wall of the motor base 54 is fixedly connected with a motor 56, the output end of the motor 56 is rotatably connected with a lead screw 58, a ball seat 59 is arranged below the lead screw 58, a ball 9 is arranged inside the ball seat 59, one end of the lead screw 58, far away from the motor 56, penetrates through the ball seat 59 and extends into the ball 9, the outer circumferential wall of the lead screw 58 is sleeved with a sleeve 57, and the bottom wall of the sleeve 57 is welded with a plurality of guide rods 50, one end of the guide rod 50, which is far away from the sleeve 57, penetrates through the ball seat 59 to be fixedly connected with the ball body 9, the flowmeter further comprises a signal converter, the serial port 3 reads data of the flowmeter body 1, the data comprises flow setting data, flow output data and valve control data, the signal converter converts the flow setting data, the flow output data and the valve control data into a flow setting signal, a flow output signal and a valve control signal respectively, the signal converter transmits the flow setting signal, the flow output signal and the valve control signal to an upper computer, the upper computer changes the flow setting signal parameter, the flow output data signal parameter and the valve control data signal parameter, the upper computer retransmits the changed flow setting signal parameter, the flow output data signal parameter and the valve control data signal parameter to the flowmeter body 1 through the signal converter, and the flowmeter further comprises a wireless terminal, the wireless terminal comprises a display module, a wireless module and a control module, wherein the interior of the motor 56 is provided with the wireless receiving module, the wireless module is in wireless signal connection with the wireless receiving module, the control module assigns a ball valve control signal instruction, the ball valve control signal instruction is transmitted back to the signal transceiver through the wireless terminal, the signal transceiver converts the ball valve control signal instruction into a ball valve control signal, the signal transceiver transmits the ball valve control signal back to the signal converter, the signal converter transmits the ball valve control signal back to the flowmeter body 1, the back of the flowmeter body 1 is provided with a clamping plate 7, the interior of the sphere 9 is provided with a ball groove 91, the interior of the ball groove 91 is movably connected with a bearing 92, one end of the lead screw 58, which is far away from the motor 56, is rotatably connected with the bearing 92, the inner side wall of the clamping plate 7 is provided with an elastic sheet 8, the inner side wall of the vertical cylinder 51 is welded with a sliding rod 52, and the outer side wall of the motor base 54 is provided with a sliding groove 55, the slide rod 52 is movably connected with the slide groove 55, the spring 53 is welded on the inner top wall of the vertical cylinder 51, one end of the spring 53, which is far away from the vertical cylinder 51, is fixedly connected with the motor base 54, the block groove 94 is formed in the inner circumferential wall array of the ball groove 91, the sliding block 93 is welded on the outer circumferential wall of the bearing 93, the sliding block 93 is movably connected with the block groove 94, the elastic sheet 8 is in an inverted L-shaped structure, the short side of the inverted L-shaped structure is fixedly connected with the side wall of the clamping block 7, the micro flow control assembly 5 is arranged, because the lead screw 58 is rotatably connected with the bearing 92, the ball 9 is connected with the sleeve 57 through the guide rod 50, the sleeve 57 is sleeved outside the lead screw 58, when the motor 56 is driven, the lead screw 58 tends to rotate under the influence of the motor 56, but the ball 9 is connected with the sleeve 57 through the guide rod 50, the freedom degree of the ball 9 and the guide rod 50 is limited, the lead screw 58 drives the bearing 92 and the motor 56 to move along the block groove 94 direction, when the lead screw 58 and the bearing 92 reach the bottom of the block groove 94, the end of the lead screw 58 will press the ball 9 to make it descend, and similarly, if the motor 56 rotates reversely, the slide block 93 will block the block groove 94 to drive the ball 9 to ascend, so that the micro-flow control at the valve interface 4 is realized, and the problem of device damage caused by instantaneous release of excessive gas and impact on the inside of the gas mass flow controller is solved.

When the wireless remote micro-flow control device works, if wireless remote micro-flow control operation of the flowmeter body 1 is to be carried out, a ball valve control signal instruction can be sent out through a control module of the wireless terminal, then the ball valve control signal instruction is sent back to the wireless terminal by the wireless module, then the ball valve control signal instruction is converted into a ball valve control signal under the action of the signal transceiver, then the ball valve control signal is sent back to the signal converter from the signal transceiver, and as the wireless receiving module is installed on the motor 56, the ball valve control signal is finally sent back to the motor 56 through the signal converter, the motor is controlled to realize the movement of a sphere, and the capability of the device for wirelessly and remotely controlling the movement of the sphere can be realized;

when the motor 56 is controlled to move, the motor 56 is rotationally connected with the lead screw 58, on one hand, the sleeve 57 is sleeved on the outer circumferential wall of the lead screw 58, the lower part of the sleeve 57 is connected with the ball 9 through the guide rod 50, on the other hand, the lead screw 58 is connected with the ball groove 91 through the bearing 92, and the bearing 92 is connected with the block groove 94 through the sliding block 93, so that when the motor 56 rotates, the lead screw 58 drives the bearing 92 to move in the ball groove 91, and when the sliding block 93 is clamped with the top wall or the bottom wall of the block groove 94, the ascending or descending movement of the ball 9 can be correspondingly realized, and the wireless remote micro-flow control operation of the flowmeter body 1 is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.