CN213468452U

CN213468452U - Piezoelectric dispensing valve temperature controller

Info

Publication number: CN213468452U
Application number: CN202021727834.XU
Authority: CN
Inventors: 黄清耀
Original assignee: Xiamen Weishengbang Fluid Technology Co Ltd
Current assignee: Xiamen Weishengbang Fluid Technology Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-18
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to a piezoelectricity dispensing valve temperature controller, which comprises a housin, the touch-sensitive screen, power PCB board and control circuit PCB board are installed in the casing and are connected each other the electricity, the touch-sensitive screen is installed in the front of casing and is connected with control circuit PCB board electricity, the back mounted of casing has power source, PLC communication interface, packing element heater interface and nozzle heater interface, wherein, power source is connected with power PCB board electricity, PLC communication interface, packing element heater interface and nozzle heater interface are connected with control circuit PCB board electricity. The utility model discloses compact structure, convenient operation, directly perceived can carry out the packing element of piezoelectricity dispensing valve and the control parameter setting of nozzle temperature through the touch-sensitive screen.

Description

Piezoelectric dispensing valve temperature controller

Technical Field

The utility model relates to a piezoelectricity dispensing valve field specifically relates to a piezoelectricity dispensing valve temperature controller.

Background

The piezoelectric dispensing valve is widely applied to automatic dispensing machines. Some of the existing piezoelectric dispensing valves are integrated in a control system of a dispensing machine, and some of the existing piezoelectric dispensing valves adopt a special temperature controller. The piezoelectric dispensing valve temperature controller in the current market is not provided with a control interface, and needs to be set for control parameters through external equipment, or is matched with a display screen through keys to set the parameters, so that the operation is inconvenient, and the state display is not visual.

Disclosure of Invention

The utility model aims at providing a piezoelectricity dispensing valve temperature controller to solve above-mentioned problem. Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a piezoelectricity dispensing valve temperature controller, which comprises a housin, the touch-sensitive screen, power PCB board and control circuit PCB board are installed in the casing and are connected each other the electricity, the touch-sensitive screen is installed in the front of casing and is connected with control circuit PCB board electricity, the back mounted of casing has power source, PLC communication interface, packing element heater interface and nozzle heater interface, wherein, power source is connected with power PCB board electricity, PLC communication interface, packing element heater interface and nozzle heater interface and control circuit PCB board electricity are connected.

Furthermore, the power supply PCB and the control circuit PCB are arranged up and down and are electrically connected through a plug wire.

Furthermore, the PLC communication interface is directly welded on the control circuit PCB, and the rubber cylinder heater interface and the nozzle heater interface are connected to corresponding sockets of the control circuit PCB through plug wires.

Furthermore, the control circuit PCB board comprises a rubber cylinder temperature PID control module and a nozzle temperature PID control module which are respectively used for carrying out automatic regulation and control on the temperatures of the rubber cylinder and the nozzle.

Furthermore, the control circuit PCB board also comprises a PID parameter setting module which is used for setting PID parameters of the rubber cylinder temperature PID control module and the nozzle temperature PID control module on the touch screen.

Furthermore, the control circuit PCB board also comprises a temperature history curve module which is used for displaying the history curves of the rubber cylinder temperature and the nozzle temperature valve body on the touch screen.

Furthermore, the control circuit PCB board also comprises an alarm and event module which is used for alarming and recording the events of the abnormal conditions of the temperature of the rubber cylinder and the nozzle of the piezoelectric dispensing valve.

The utility model adopts the above technical scheme, the beneficial effect who has is: the utility model discloses compact structure, convenient operation, directly perceived can carry out the packing element of piezoelectricity dispensing valve and the control parameter setting of nozzle temperature through the touch-sensitive screen.

Drawings

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

FIG. 1 is a perspective view of a piezoelectric dispensing valve temperature controller of the present invention;

FIG. 2 is another perspective view of the piezoelectric dispensing valve thermostat shown in FIG. 1;

fig. 3 is a perspective view of the piezoelectric dispensing valve thermostat shown in fig. 2 with a portion of the housing removed to show the internal structure.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the piezoelectric dispensing valve temperature controller of the present invention may include a casing 1, a touch screen 2, a power PCB 3, a control circuit PCB 4, etc. The power PCB board 3 and the control circuit PCB board 4 are mounted in the case 1 and electrically connected to each other. Specifically, the power supply PCB 3 and the control circuit PCB 4 are disposed up and down, and electrically connected to each other through a patch cord. The touch screen 2 is installed on the front surface of the housing 1 and electrically connected with the control circuit PCB board 4 (e.g., through a dedicated patch cord) for displaying the cartridge temperature and the nozzle temperature of the piezoelectric dispensing valve and setting the corresponding PID control parameters thereof. The back of the housing 1 is provided with a power interface 11, a PLC communication interface 12, a cartridge heater interface 13 and a nozzle heater interface 14, wherein the power interface 11 is electrically connected with the power PCB 3 (e.g. by a plug wire). The power interface 11 is a conventional AC power socket and can receive 110/230V AC power. The PLC communication interface 12, the rubber tube heater interface 13 and the nozzle heater interface 14 are electrically connected with the control circuit PCB, specifically, the PLC communication interface 12 is directly welded on the control circuit PCB, and the rubber tube heater interface and the nozzle heater interface are connected to corresponding sockets of the control circuit PCB through plug wires. The PLC communication interface 12 is used for being in communication connection with a PLC control system of the dispenser so as to transmit the detected temperature data of the rubber cylinder and the nozzle to the PLC control system of the dispenser. The glue cylinder heater interface 13 and the nozzle heater interface 14 are respectively connected with the glue cylinder heater and the nozzle heater through special connecting wires, so that the heating temperatures of the glue cylinder and the nozzle can be respectively adjusted and controlled automatically through a glue cylinder temperature PID control module and a nozzle temperature PID control module of the control circuit PCB 4, and the stable operation of the piezoelectric dispensing valve is ensured. The special connecting wire is a four-core wire and adopts an aviation connector; wherein, two cores are used for connecting a temperature sensor (e.g., PT100), and two cores are used for outputting alternating current to a heater.

In order to be suitable for temperature control of different glues, PID parameters of a glue cylinder temperature PID control module and a nozzle temperature PID need to be set and adjusted. Therefore, the control circuit PCB further comprises a PID parameter setting module for setting PID parameters of the rubber cylinder temperature PID control module and the nozzle temperature PID control module on the touch screen. The PID parameters include an upper output limit, a lower output limit, a sampling time, a proportional band, an integration time, a differentiation time, an upper integration limit, a lower integration limit, and the like.

In addition, the control circuit PCB board 4 may further include a temperature history curve module for displaying a history curve of the temperature of the glue cartridge and the temperature of the nozzle on the touch screen 2. The user can inquire the corresponding temperature curve on the touch screen 2 at any time, which is very convenient.

In addition, the control circuit PCB board can also comprise an alarm and event module which is used for alarming and recording the abnormal conditions of the temperature of the rubber cylinder and the nozzle of the piezoelectric dispensing valve. The user can inquire corresponding alarm records and event records on the touch screen 2 at any time, which is very convenient.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a piezoelectricity dispensing valve temperature controller, a serial communication port, which comprises a housin, the touch-sensitive screen, power PCB board and control circuit PCB board are installed in the casing and are connected each other the electricity, the touch-sensitive screen is installed in the front of casing and is connected with control circuit PCB board electricity, the back mounted of casing has power source, PLC communication interface, packing element heater interface and nozzle heater interface, wherein, power source is connected with power PCB board electricity, PLC communication interface, packing element heater interface and nozzle heater interface and control circuit PCB board electricity are connected.

2. The piezoelectric dispensing valve temperature controller of claim 1, wherein the power supply PCB and the control circuit PCB are disposed up and down and electrically connected by a plug wire.

3. The piezoelectric dispensing valve temperature controller of claim 2, wherein the PLC communication interface is directly welded to the control circuit PCB, and the cartridge heater interface and the nozzle heater interface are connected to corresponding sockets of the control circuit PCB by means of plug wires.

4. The piezoelectric dispensing valve temperature controller of claim 1, wherein the control circuit PCB board comprises a glue cylinder temperature PID control module and a nozzle temperature PID control module, which are respectively used for automatically adjusting and controlling the temperatures of the glue cylinder and the nozzle.

5. The piezoelectric dispensing valve temperature controller of claim 4, wherein the control circuit PCB board further comprises a PID parameter setting module for setting PID parameters of the glue cylinder temperature PID control module and the nozzle temperature PID control module on the touch screen.

6. The piezoelectric dispensing valve temperature controller of claim 4, wherein the control circuit PCB board further comprises a temperature history curve module for displaying history curves of the valve body of the glue cartridge temperature and the nozzle temperature on the touch screen.

7. The piezoelectric dispensing valve thermostat of claim 4, wherein the control circuit PCB board further comprises an alarm and event module for alarming and event recording abnormal conditions of the temperature of the glue cartridge and the nozzle of the piezoelectric dispensing valve.