Detection and control device for rapid change of pressure

Abstract

The utility model discloses a rapid pressure change detection and control device, which comprises a detection control assembly and a nozzle, the detection control assembly comprises a detection controller shell, a controller main circuit board and a pressure sensor, and the detection controller shell comprises a stainless steel cover plate and a stainless steel membrane. The beneficial effects of the utility model are that the detection control assembly and the nozzle are arranged, and the detection control assembly comprises the detection controller housing, the controller main circuit board and the pressure sensor, so that when fluid with pressure sprayed by the nozzle scours the detection controller housing, the detection controller housing generates tiny deformation; the pressure sensor collects line variables of the shell, and the controller main circuit board converts collected deformation signals into tiny low-pressure analog quantity signals and then converts the collected signals into relative pressure signals through the amplifying circuit, so that a pressure curve is conveniently monitored.

Description

Technical Field

[0001] The utility model relates to a detection and control device, in particular to a detection and control device for rapid pressure change, belonging to the technical field of injection pressure detection. Background Art

[0002] At present, the injection pressure detection is mainly used in the production line of food and beverage processing. By continuously detecting the changes in the injection pressure, it ensures that the pressure of the sterilization liquid and cleaning fluid of food and beverage containers such as PET bottles or other containers reaches the set pressure, thereby ensuring the sterilization and flushing effect of the bottles and ensuring the safety and reliability of food and beverage production.

[0003] In the prior art, such as a device for measuring the injection pressure disclosed in the announcement number CN219608394U, the injection device holding component used can hold the injection device at different relative angles with the measuring component, so that the high-pressure flushing agent generated by the injection device is sprayed to the measuring component at different angles, and the measuring component can measure the injection pressure of the injection device. However, in the actual test process, although the prior art also uses a pressure sensor to detect the injection pressure of the fluid, the fluid is directly sprayed on the pressure plate during the injection, and the pressure plate is a flat plate, which is not easy to deform slightly, and the deformation amplitude is also small. Therefore, the pressure change variable cannot be accurately captured by the pressure sensor, which leads to the inability to achieve more accurate detection. Secondly, the prior art directly displays the detection data of the pressure sensor for pressure, that is, it can realize a single detection of the fluid injection pressure, but cannot form a continuous detection of the fluid injection pressure, that is, it is impossible to obtain the actual change curve of the injection pressure by continuously detecting the change of the injection pressure, and it is not convenient for subsequent pressure adjustment, that is, it only has a pressure detection function and cannot realize the corresponding pressure adjustment function. Utility Model Content

[0004] The purpose of the present utility model is to provide a device for detecting and controlling rapid pressure changes in order to solve at least one of the above technical problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: a device for detecting and controlling rapid pressure changes, comprising a detection control component and a nozzle, wherein the nozzle is located directly below the detection control component, and the nozzle is connected to a pipeline for conveying a certain pressure fluid, and the detection control component comprises a detection controller housing, a controller main circuit board and a pressure sensor, and the controller main circuit board and the pressure sensor are both arranged in the detection controller housing;

[0006] The detection controller housing includes a stainless steel cover plate and a stainless steel diaphragm. The stainless steel cover plate and the stainless steel diaphragm are hermetically butted together. The main controller circuit board and the pressure sensor are both installed on the inner side surface of the stainless steel diaphragm. A number of annular inner grooves are stamped on the outer side surface area of the stainless steel diaphragm directly above the nozzle. The pressure sensor is installed at the docking loop line between two adjacent annular inner grooves; the main controller circuit board is integrated with a high-speed signal exchange module and a PLC control connection module.

[0007] As a further solution of the present utility model: The outer periphery of the stainless steel cover plate of the detection controller housing is integrally connected with a cover plate edge. A number of docking bolts penetrate through the cover plate edge. A number of docking screw holes are provided on the inner side surface of the stainless steel diaphragm of the detection controller housing, and the docking bolts and the docking screw holes are arranged in one-to-one correspondence.

[0008] As a further solution of the present utility model: Support rods are provided on both sides of the detection controller housing. Connecting through holes are provided at the protruding parts on both sides of the tail end of the stainless steel diaphragm, and the connecting through holes are sleeved on the rod bodies of the support rods.

[0009] As a further solution of the present utility model: Elastic limit rubber rings are also sleeved on the rod bodies of the support rods, and the elastic limit rubber rings are respectively located on the upper and lower sides of the connecting through holes.

[0010] As a further solution of the present utility model: A sealed cable connector is connected to the tail end of the lower side surface of the stainless steel diaphragm, and the sealed cable connector is connected to an external cable.

[0011] As a further solution of the present utility model: The main controller circuit board is integrated with an operation display screen module. A number of pressure sensors are provided, and each pressure sensor has an independent serial number.

[0012] As a further solution of the present utility model: A number of temperature sensors are also installed on the inner side surface of the stainless steel diaphragm, and the temperature sensors are evenly distributed in the area of the annular inner groove.

[0013] As a further solution of the present utility model: The main controller circuit board is also integrated with a pressure sensor connection module, a power supply module, and an industrial computer network connection port module.

[0014] The beneficial effects of the present utility model are:

[0015] 1. The utility model is provided with a detection and control component and a nozzle. The detection and control component includes a detection controller housing, a controller main circuit board, and a pressure sensor. When the pressurized fluid ejected from the nozzle flushes onto the detection controller housing, it causes a slight deformation of the detection controller housing. The pressure sensor collects the deformation amount of the housing, and the controller main circuit board converts the collected deformation signal into a tiny low-voltage analog signal, and then converts the collected signal into a relative pressure signal through an amplification circuit to facilitate monitoring the pressure curve.

[0016] 2. The detection controller housing set by the utility model includes a stainless steel cover plate and a stainless steel diaphragm. The stainless steel cover plate and the stainless steel diaphragm are hermetically butted together. The controller main circuit board and the pressure sensor are both installed on the inner side of the stainless steel diaphragm. A plurality of annular inner grooves are stamped on the outer side area of the stainless steel diaphragm directly above the nozzle. The pressure sensor is installed at the docking loop line between two adjacent annular inner grooves. When the pressurized fluid ejected from the nozzle flushes onto the stainless steel diaphragm, it will flush onto the annular inner groove area, and thus it is easier to cause a slight deformation of the already deformed annular inner groove again, that is, it can make the pressure sensor more easily capture and detect the pressure signal.

[0017] 3. The controller main circuit board set by the utility model is integrated with a high-speed signal exchange module and a PLC control connection module. The high-speed signal exchange module quickly processes the pressure signal of the pressure passing through the pressure sensor instantaneously, and feeds the processed signal back to the PLC control system through the PLC control connection module. Through PLC settings, the collected signal can be corresponding to each actual nozzle, so as to ensure reading the pressure condition of each nozzle in real time, and realize the detection and control of the pressure of each nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic installation structure diagram of the detection and control component of the utility model;

[0019] Figure 2 It is a schematic structure diagram of the detection controller housing of the utility model;

[0020] Figure 3 It is a schematic structure diagram of the lower side of the stainless steel diaphragm of the utility model;

[0021] Figure 4 It is a schematic structure diagram of the upper side of the stainless steel diaphragm of the utility model;

[0022] Figure 5 It is a schematic sectional structure diagram of the area where the annular inner groove is opened on the stainless steel diaphragm of the utility model;

[0023] Figure 6 It is a schematic structure diagram of the controller main circuit board of the utility model;

[0024] Figure 7 This is the pressure curve graph of the third embodiment of the present utility model;

[0025] Figure 8 This is the pressure column line graph of the third embodiment of the present utility model.

[0026] In the figure: 1. Detection controller housing, 11. Stainless steel cover plate, 12. Stainless steel diaphragm, 13. Docking bolt, 14. Cover plate edge, 15. Connection perforation, 16. Sealed cable joint, 17. Annular inner groove, 18. Docking screw hole, 2. Controller main circuit board, 21. Operation display screen module, 22. Pressure sensor connection module, 23. Power supply module, 24. High-speed signal exchange module, 25. PLC control connection module, 26. Industrial computer network connection port module, 3. Pressure sensor, 4. Support rod, 5. Elastic limit rubber ring, 6. Nozzle, 7. Pipeline, 8. Temperature sensor. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1

[0029] As Figures 1 to 6 shown, a detection and control device for rapid pressure change includes a detection control component and a nozzle 6. The nozzle 6 is located directly below the detection control component. The nozzle 6 is connected to a pipeline 7 for conveying fluid with a certain pressure. The detection control component includes a detection controller housing 1, a controller main circuit board 2, and a pressure sensor 3. The controller main circuit board 2 and the pressure sensor 3 are both arranged in the detection controller housing 1. When the fluid with pressure ejected from the nozzle 6 flushes onto the detection controller housing 1, it causes a slight deformation of the detection controller housing 1. The pressure sensor 3 collects the deformation amount of the housing. The controller main circuit board 2 converts the collected deformation signal into a tiny low-voltage analog signal, and then converts the collected signal into a relative pressure signal through an amplification circuit to facilitate monitoring the pressure curve;

[0030] The detection controller housing 1 includes a stainless-steel cover plate 11 and a stainless-steel diaphragm 12. The stainless-steel cover plate 11 and the stainless-steel diaphragm 12 are hermetically butted together. The main controller circuit board 2 and the pressure sensor 3 are both installed on the inner side surface of the stainless-steel diaphragm 12. A number of annular inner grooves 17 are stamped on the outer side surface area of the stainless-steel diaphragm 12 directly above the nozzle 6. The pressure sensor 3 is installed at the butting loop line between two adjacent annular inner grooves 17. When the pressurized fluid ejected from the nozzle 6 flushes onto the stainless-steel diaphragm 12, it will flush onto the area of the annular inner grooves 17, and thus it is easy to cause the already deformed annular inner grooves 17 to generate minute deformations again, that is, it can enable the pressure sensor 3 to more easily capture and detect the pressure signal. The main controller circuit board 2 is integrated with a high-speed signal exchange module 24 and a PLC control connection module 25. The high-speed signal exchange module 24 quickly processes the pressure signal instantaneously passing through the pressure sensor 3, and feeds the processed signal back to the PLC control system through the PLC control connection module 25. Through PLC settings, the collected signal can be corresponded to each actual nozzle, so as to ensure that the pressure of each nozzle is read in real time, so as to realize the detection and control of the pressure of each nozzle.

[0031] Embodiment 2

[0032] In this embodiment, in addition to including all the technical features in Embodiment 1, it further includes:

[0033] The outer periphery of the stainless-steel cover plate 11 of the detection controller housing 1 is integrally connected with a cover plate edge 14. A number of docking bolts 13 penetrate through the cover plate edge 14. A number of docking screw holes 18 are provided on the inner side surface of the stainless-steel diaphragm 12 of the detection controller housing 1, and the docking bolts 13 and the docking screw holes 18 are arranged in one-to-one correspondence. The stainless-steel cover plate 11 and the stainless-steel diaphragm 12 can be tightly and firmly connected together through the threaded connection of the number of docking bolts 13 and the docking screw holes 18, and thus it can ensure the sealing of the components inside the housing, so as to prevent fluid from seeping into the housing during use.

[0034] Furthermore, support rods 4 are provided on both sides of the detection controller housing 1. Connecting through holes 15 are provided at the protruding parts on both sides of the tail end of the stainless-steel diaphragm 12, and the connecting through holes 15 are sleeved on the rod bodies of the support rods 4, which can form a suspended installation of the detection controller housing 1, and thus can enable the detection controller housing 1 to be located above the nozzle 6.

[0035] Further, an elastic limit rubber ring 5 is also sleeved on the rod body of the support rod 4, and the elastic limit rubber rings 5 are respectively located on the upper and lower sides of the connection through hole 15. That is, when the detection controller housing 1 is installed on the support rod 4, the installation position of the connection through hole 15 can be limited by the upper and lower elastic limit rubber rings 5, so as to ensure that the detection controller housing 1 is horizontally arranged above the nozzle 6, and at the same time, the installation position of the detection controller housing 1 can also be limited.

[0036] Further, a sealed cable joint 16 is connected to the tail end of the lower side of the stainless steel diaphragm 12. The sealed cable joint 16 is connected to an external cable, so that each component in the detection controller housing 1 can be connected to an external industrial control computer through the cable, and further, power supply to each component in the housing and transmission of detection signals can be realized, so as to facilitate corresponding control of the nozzle 6 according to the detection data, and the provided sealed cable joint 16 can ensure the sealing performance of the connection.

[0037] Further, an operation display screen module 21 is integrated on the controller main circuit board 2. A number of pressure sensors 3 are provided, and each pressure sensor 3 has an independent serial number. The serial number of each pressure sensor 3 can be viewed on the operation display screen module 21 on the controller main circuit board 2, so as to ensure that each pressure sensor 3 is in a normal connection state, so as to ensure normal pressure detection by the pressure sensor 3.

[0038] Further, a number of temperature sensors 8 are also installed on the inner side of the stainless steel diaphragm 12, and the temperature sensors 8 are evenly distributed in the annular inner groove 17 area, so that while detecting the fluid pressure, the temperature of the fluid can also be detected, so as to further monitor the fluid temperature.

[0039] Further, a pressure sensor connection module 22, a power supply module 23 and an industrial control computer network connection port module 26 are also integrated on the controller main circuit board 2. The controller main circuit board 2 can be powered by the power supply module 23, and signal transmission connection with the pressure sensor 3 can be carried out through the pressure sensor connection module 22 to obtain the pressure signals monitored by each pressure sensor 3, and data communication and exchange with the on-site industrial control computer can be realized through the industrial control computer network connection port module 26. Through the human-machine interface, the actual pressure change curve of each nozzle 6, the bar chart of the overall pressure situation of all nozzles 6, etc. can be seen.

[0040] Embodiment III

[0041] As Figure 7 and Figure 8As shown in the figure, a device for detecting and controlling rapid pressure changes. At present, through actual installation and use, the pressure sensor can at least meet 15 pressure signals per second or the pressure signals passing through the nozzle. That is, each pressure signal can be completed in about 60 ms. At least 36 pressure detection values are instantaneously sampled for each passing pressure signal, thereby generating a complete pressure curve graph;

[0042] By calibrating the curves under normal conditions of all nozzles, a calibrated reference curve is generated and compared with the actual passing pressure curve during continuous production. When the actually detected curve cannot reach the set range of the reference curve, an alarm will be given in a timely manner and the equipment operation will be stopped, thereby ensuring the sterilization and cleaning effect of the equipment.

[0043] Working principle: When the pressurized fluid ejected from the nozzle 6 flushes onto the detection controller housing 1, it will flush onto the annular inner groove 17 area, which is likely to cause the already deformed annular inner groove 17 to generate a small deformation again, that is, it can make the pressure sensor 3 more easily capture and detect the pressure signal; the pressure sensor 3 collects the deformation amount of the housing. The controller main circuit board 2 converts the collected deformation signal into a small low-voltage analog signal, and then converts the collected signal into a relative pressure signal through the amplifier circuit for monitoring the pressure curve. The controller main circuit board 2 is integrated with a high-speed signal exchange module 24 and a PLC control connection module 25. The high-speed signal exchange module 24 quickly processes the pressure signal passing through the pressure sensor 3 instantaneously, and feeds the processed signal back to the PLC control system through the PLC control connection module 25. Through PLC settings, the collected signal can be corresponding to each actual nozzle, so as to ensure that the pressure of each nozzle is read in real time, so as to realize the detection and control of the pressure of each nozzle.

[0044] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0045] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for detecting and controlling rapid pressure changes, comprising a detection and control assembly and a nozzle (6), wherein the nozzle (6) is located directly below the detection and control assembly, and the nozzle (6) is connected to a pipeline (7) for conveying a fluid under a certain pressure, characterized in that: The detection control component comprises a detection controller housing (1), a controller main circuit board (2) and a pressure sensor (3), wherein the controller main circuit board (2) and the pressure sensor (3) are both arranged in the detection controller housing (1); The detection controller housing (1) comprises a stainless steel cover plate (11) and a stainless steel diaphragm (12), wherein the stainless steel cover plate (11) and the stainless steel diaphragm (12) are sealed and butted together, the controller main circuit board (2) and the pressure sensor (3) are both mounted on the inner side of the stainless steel diaphragm (12), a plurality of annular inner grooves (17) are punched on the outer side area of ​​the stainless steel diaphragm (12) directly above the nozzle (6), and the pressure sensor (3) is mounted at the butt joint line of two adjacent annular inner grooves (17); the controller main circuit board (2) is integrated with a high-speed signal exchange module (24) and a PLC control connection module (25).

2. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: The outer periphery of the stainless steel cover plate (11) of the detection controller housing (1) is integrally connected with a cover plate edge (14), and the cover plate edge (14) is penetrated and connected with a plurality of docking bolts (13). The inner side surface of the stainless steel diaphragm (12) of the detection controller housing (1) is provided with a plurality of docking screw holes (18), and the docking bolts (13) and the docking screw holes (18) are arranged in a one-to-one correspondence.

3. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: Support rods (4) are arranged on both sides of the detection controller housing (1), and connecting through holes (15) are provided at the protruding parts on both sides of the tail end of the stainless steel diaphragm (12), and the connecting through holes (15) are sleeved on the rod body of the support rod (4).

4. The device for detecting and controlling rapid pressure changes according to claim 3, characterized in that: The support rod (4) is also sleeved with an elastic limiting rubber ring (5), and the elastic limiting rubber ring (5) is respectively located at the upper and lower sides of the connecting through hole (15).

5. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: A sealed cable connector (16) is connected to the tail end of the lower side of the stainless steel diaphragm (12), and the sealed cable connector (16) is connected to a cable of an external device.

6. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: An operation display screen module (21) is integrated on the controller main circuit board (2), a plurality of pressure sensors (3) are provided, and each of the pressure sensors (3) has an independent serial number.

7. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: A plurality of temperature sensors (8) are also installed on the inner side surface of the stainless steel diaphragm (12), and the temperature sensors (8) are evenly distributed in the area of ​​the annular inner groove (17).

8. The device for detecting and controlling rapid pressure changes according to claim 1, characterized in that: The controller main circuit board (2) is also integrated with a pressure sensor connection module (22), a power module (23) and an industrial computer network connection port module (26).

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