阅读说明：本技术 一种具有压力实时监测与控制功能的隔膜泵 (Diaphragm pump with pressure real-time monitoring and control functions ) 是由 王圣双 于 2020-07-23 设计创作，主要内容包括：一种具有压力实时监测与控制功能的隔膜泵,其包括泵体,上盖,出料阀,三通,以及智能监控模块。所述出料阀控制物料仅能被泵出。所述智能监控模块包括一个设置在所述三通上的应变片,一层密封所述应变片与所述三通的密封层,以及一个与所述应变片连接的数据处理模块。所述三通包括相互连通的第一出口和第二出口。所述第一出口与所述出料阀连通。所述应变片盖设在所述第二出口上并由所述密封层密封该应变片与第二出口。所述数据处理模块与所述应变片连接以接收来自该应变片的弯曲变形量以获得所述三通内的压力值。从而有利于实现智能化开发,使得该隔膜泵智能化,为融入智能制造产生提供可能性。(The utility model provides a diaphragm pump with pressure real-time supervision and control function, its includes the pump body, upper cover, bleeder valve, tee bend to and intelligent monitoring module. The discharge valve controls that the material can only be pumped out. The intelligent monitoring module comprises a strain gauge arranged on the tee joint, a sealing layer for sealing the strain gauge and the tee joint, and a data processing module connected with the strain gauge. The tee includes a first outlet and a second outlet that are in communication with each other. The first outlet is communicated with the discharge valve. The strain gauge cover is arranged on the second outlet and the strain gauge and the second outlet are sealed by the sealing layer. The data processing module is connected with the strain gauge to receive the bending deformation amount from the strain gauge so as to obtain a pressure value in the tee joint. Therefore, the intelligent development is favorably realized, the diaphragm pump is intelligentized, and the possibility of being integrated into intelligent manufacturing is provided.)

1. The utility model provides a diaphragm pump with pressure real-time supervision and control function which characterized in that: the diaphragm pump with the real-time pressure monitoring and controlling function comprises a pump body, an upper cover arranged on the pump body, a tee joint arranged on the upper cover, and a discharge valve arranged between the pump body and the upper cover, and an intelligent monitoring module arranged on the upper cover, wherein the discharge valve controls the material to be pumped out only, the intelligent monitoring module comprises a strain gauge arranged on the tee joint, a sealing layer for sealing the strain gauge and the tee joint, and a data processing module connected with the strain gauge, the tee joint comprises a first outlet and a second outlet which are communicated with each other, the first outlet is communicated with the discharge valve, the strain gauge cover is arranged on the second outlet and the strain gauge and the second outlet are sealed by the sealing layer, the data processing module is connected with the strain gauge to receive the bending deformation amount from the strain gauge so as to obtain a pressure value in the tee joint.

2. The diaphragm pump with real-time pressure monitoring and control functions as claimed in claim 1, wherein: the tee joint also comprises a third outlet communicated with the first outlet and the second outlet, and the third outlet is used for outputting materials.

3. The diaphragm pump with real-time pressure monitoring and control functions as claimed in claim 1, wherein: the data processing module further comprises a data conversion unit, and the data conversion unit is used for converting the bending deformation of the strain gauge into a voltage signal and converting the voltage signal into a pressure value.

4. The diaphragm pump with real-time pressure monitoring and control function according to claim 3, wherein: the data processing module also comprises a control unit, and the control unit controls the flow rate in the pump body according to the pressure value.

5. The diaphragm pump with real-time pressure monitoring and control function according to claim 4, wherein: the control unit is a PLC or a single chip microcomputer.

6. The diaphragm pump with real-time pressure monitoring and control functions as claimed in claim 1, wherein: the pump body includes a pump body housing, a diaphragm assembly disposed in the pump body housing, and a feed valve disposed in the pump body housing.

7. The diaphragm pump with real-time pressure monitoring and control functions of claim 6, wherein: the feeding valve is a one-way ball valve and is respectively arranged at two sides of the pump body shell together with the discharging valve.

Technical Field

The invention relates to the technical field of metering pumps, in particular to a diaphragm pump with real-time pressure monitoring and control functions.

Background

Chinese patent No. 94205286.2, entitled diaphragm type metering pump, discloses a new metering pump which uses a diaphragm to accomplish the suction and extrusion of a material, and although its volume is reduced compared to the existing impeller type metering pump or plunger type metering pump, the existing diaphragm pump cannot provide the current pressure in real time. However, the pressure value in the pipeline of the diaphragm pump is a very important parameter of pump products, so that the performance of the pump can be shown on one hand, and the pump can be effectively protected on the other hand, thereby preventing the damage to the interior of the pump caused by overload. Meanwhile, the internal pressure of the pump cannot be effectively known, and data can not be recorded, so that the working process of the pump cannot be visualized, technical parameters cannot be obtained more easily, and data support cannot be obtained for upgrading and transformation of a pump by a manufacturer, and the application range and the intelligent development of the diaphragm pump are restricted.

Disclosure of Invention

In view of the above, the present invention provides a diaphragm pump with real-time pressure monitoring and control functions, which can solve the above problems.

A diaphragm pump with real-time pressure monitoring and control functions comprises a pump body, an upper cover arranged on the pump body, a discharge valve arranged between the pump body and the upper cover, a tee joint arranged on the upper cover, and an intelligent monitoring module arranged on the upper cover. The discharge valve controls that the material can only be pumped out. The intelligent monitoring module comprises a strain gauge arranged on the tee joint, a sealing layer for sealing the strain gauge and the tee joint, and a data processing module connected with the strain gauge. The tee includes a first outlet and a second outlet that are in communication with each other. The first outlet is communicated with the discharge valve. The strain gauge cover is arranged on the second outlet and the strain gauge and the second outlet are sealed by the sealing layer. The data processing module is connected with the strain gauge to receive the bending deformation amount from the strain gauge so as to obtain a pressure value in the tee joint.

Furthermore, the tee joint also comprises a third outlet communicated with the first outlet and the second outlet, and the third outlet is used for outputting materials.

Further, the data processing module further comprises a data conversion unit, and the data conversion unit is used for converting the bending deformation of the strain gauge into a voltage signal and converting the voltage signal into a pressure value.

Furthermore, the data processing module also comprises a control unit, and the control unit controls the flow rate in the pump body according to the pressure value.

Further, the control unit is a PLC or a single chip microcomputer.

Further, the pump body includes a pump body housing, a diaphragm assembly disposed in the pump body housing, and a feed valve disposed in the pump body housing.

Furthermore, the feeding valve is a one-way ball valve and is respectively arranged at two sides of the pump body shell together with the discharging valve.

Compared with the prior art, the diaphragm pump with the pressure real-time monitoring and controlling function provided by the invention has the advantages that the tee joint is arranged on the upper cover of the pump body, and the strain gauge is covered on the second outlet of the tee joint. The strain gauge can receive the pressure from the tee joint in real time, and then the data processing module converts the bending deformation from the strain gauge into a pressure value or a voltage value, so that a user can control the diaphragm pump or peripheral equipment according to the pressure value or the voltage value, and the intelligentization is facilitated to be realized. In addition, through the foil gage, the data processing module is completely isolated with the material in the tee joint, thereby making this diaphragm pump safe and reliable, also having removed the trouble of additionally increasing accessories such as valve, pipeline, manometer, have simultaneously the tee joint of data processing module can derive multiple functions, if connect PLC, singlechip etc. thereby be favorable to realizing intelligent development, make this diaphragm pump intellectuality, produce for merging into intelligent and produce and provide the possibility.

Drawings

Fig. 1 is a schematic structural diagram of a diaphragm pump with a real-time pressure monitoring and controlling function according to the present invention.

Fig. 2 is a schematic partial sectional structure view of the diaphragm pump with real-time pressure monitoring and control function shown in fig. 1.

Fig. 3 is a partially enlarged schematic view of the diaphragm pump with real-time pressure monitoring and control function shown in fig. 2 at a.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

Fig. 1 to fig. 3 are schematic structural diagrams of a diaphragm pump with real-time pressure monitoring and control functions according to the present invention. The diaphragm pump with the real-time pressure monitoring and controlling function comprises at least one pump body 10, an upper cover 20 arranged on the pump body 10, a discharge valve 30 arranged between the pump body 10 and the upper cover 20, a tee joint 40 arranged on the upper cover 20, and an intelligent monitoring module 50 arranged on the upper cover 20. It is conceivable that the diaphragm pump with real-time pressure monitoring and controlling function further includes other functional modules, such as mounting components, assembling components, electrical connecting components, etc., but these are well known in the art and will not be described herein.

The number of said pump bodies 10 can be two or one. In the present embodiment, the diaphragm pump has two pump bodies 10. Here, only for the purpose of explaining the structure and the operation principle of the pump body 10, one of the pump bodies 10 is taken as an example for explanation. The pump body 10 includes a pump body housing 11, a diaphragm assembly 12 disposed in the pump body housing 11, and a feed valve 13 disposed in the pump body housing 11. The shape and structure of the pump body housing 11 can be set according to actual needs, such as a cylinder or a square cylinder. In this embodiment, the pump body case 11 is cylindrical. The diaphragm assembly 12 is disposed on one axial side of the pump body case 11, and the other axial side of the pump body case 11 is closed. When the diaphragm in the diaphragm assembly 12 moves to one side, the inlet valve 13 is opened and the outlet valve 30 is closed, so that the material enters the pump body housing 11. Conversely, when the diaphragm in the diaphragm assembly 12 moves toward the other side, the inlet valve 13 is closed and the outlet valve 30 is opened, thereby allowing the material to be pumped out of the pump body housing 11. Thus, as the diaphragm in the diaphragm assembly 12 is continuously reciprocated, material can be continuously conveyed. The feeding valve 13 is a one-way valve, specifically, the feeding valve 13 is a one-way ball valve, which is the prior art and is not described herein again.

The upper cover 20 is disposed above the pump body 10 and is used for covering the discharge valve 30, and the structure and shape of the upper cover can be set according to actual needs, and are related to the prior art, and are not described herein again.

The discharge valve 30 is also a one-way valve, specifically, a one-way ball valve, which is prior art and will not be described herein.

The tee 40 is disposed on the upper cover 20 and is used for receiving the material from the discharge valve 30. The tee 10 is per se prior art and comprises a first outlet 41, a second outlet 42, and a third outlet 43 communicating with each other. The first outlet 41 is respectively communicated with the discharge valves 30 on the two pump bodies 10 to receive the materials output from the discharge valves 30. The second outlet 42 is used for installing the intelligent monitoring module 50. The third outlet 43 is used for discharging the material, so that it is connected to other peripheral equipment.

The intelligent monitoring module 50 includes a strain gauge 51 disposed at the second outlet 42 of the tee 40, a sealing layer 52 for sealing the strain gauge 51 and the second outlet 42 of the tee 40, a data processing module 53 connected to the strain gauge 51, and a sealing cover 54 covering the second outlet 42. The strain gauge 51 is disposed on the second outlet 42, and specifically, both ends of the strain gauge 51 are bridged on a step of the second outlet 42. The strain gauge 51 is a conventional technique, and is an element for measuring strain, such as a sensitive grid, and the working principle is that when a conductor or a semiconductor material is mechanically deformed under the action of an external force, the resistance value of the conductor or the semiconductor material changes correspondingly, and when the resistance value changes, a voltage changes with a certain current, so that the variation of the conductor or the semiconductor can be detected. Also, therefore, the strain gauge 51 may sense the pressure of the material flowing through the second outlet 42. The sealing layer 52 may be made of silicone rubber, and covers the strain gauge 51 to seal the strain gauge 51 so as to prevent the material from flowing out of the second outlet 42. The data processing module 53 is disposed on the sealing layer 52, and includes some conventional electronic components, or processing chips, etc., for receiving the voltage change caused by the bending deformation from the strain gauge 51. The data processing module 53 includes a data transformation unit, and a control unit. The data conversion unit is configured to convert the bending deformation amount of the strain gauge 51 into a voltage signal, and convert the voltage signal into a pressure value. The pressure value can be output by a display device such as a display screen, so that the pressure value can be easily obtained by a user. And the control unit controls the flow in the pump body according to the pressure value. The data conversion unit and the control unit may be implemented by a program. The program itself can be programmed into a program capable of implementing the present invention by using the existing program as long as the skilled person in the art understands the idea of the present invention, and the details are not described herein. The control unit is a PLC or a single chip microcomputer, and can control the pump body 10 or other peripheral devices. The sealing cover 54 covers the port of the second outlet 42 to prevent external liquid from entering the data processing module 53 and causing a short circuit of the data processing module 53.

Compared with the prior art, the diaphragm pump with the real-time pressure monitoring and controlling function provided by the invention has the advantages that the tee joint 40 is arranged on the upper cover 20 of the pump body 10, and the strain gauge 51 is covered on the second outlet 42 of the tee joint 40. The strain gauge 51 can receive the pressure from the tee joint 40 in real time, and then the data processing module 53 converts the bending deformation from the strain gauge 51 into a pressure value or a voltage value, so that a user can control the diaphragm pump or peripheral equipment according to the pressure value or the voltage value, and the intelligentization is facilitated. In addition, through the foil gage 51, the data processing module 53 is completely isolated with the material in the tee joint 40, thereby making this diaphragm pump safe and reliable, also having removed the trouble of additionally increasing accessories such as valve, pipeline, manometer, have simultaneously the tee joint 40 of data processing module 53 can derive multiple functions, such as connect PLC, singlechip etc. thereby be favorable to realizing intelligent development, make this diaphragm pump intelligent, produce for merging into intelligent manufacturing and produce and provide the possibility.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.