CN214200538U

CN214200538U - Control circuit of valve core sealing detection equipment

Info

Publication number: CN214200538U
Application number: CN202023232364.2U
Authority: CN
Inventors: 曹阳
Original assignee: Jiangmen Kerui Automation Equipment Co ltd
Current assignee: Jiangmen Kerui Automation Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-14
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a control circuit of a valve core sealing performance detection device, which comprises a first PLC module, wherein the first PLC module is used for controlling the clamping and the opening of a lower clamp; the second PLC module is used for controlling the air tightness detector; the third PLC module is used for controlling the upper clamp to screw the valve core switch; the fourth PLC module is used for controlling the air inflation cylinder; the station sensor is respectively connected with the first PLC module, the second PLC module, the third PLC module and the fourth PLC module and used for feeding back the station state; and the power supply end is respectively connected with the first PLC module, the second PLC module, the third PLC module and the fourth PLC module for supplying power. Can realize the automated inspection of case leakproofness, the workman only is responsible for and installs and take off the case, and all the other testing processes are full-automatic goes on, very big promotion detection efficiency.

Description

Control circuit of valve core sealing detection equipment

Technical Field

The utility model relates to a case leakproofness detection area, specificly relate to a case leakproofness check out test set's control circuit.

Background

The valve core needs to be subjected to tightness detection before leaving the field, the conventional method is that gas is introduced into the valve core through the air cylinder, the air tightness is judged by maintaining the detected air pressure, the valve core switch is required to be rotated in the detection process, the access passage of the valve core is switched, a plurality of passages in the valve core are detected, the tightness of the valve core is mainly in a manual or conventional equipment auxiliary operation mode at present, the automation degree is low, and the detection efficiency cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a case leakproofness check out test set's control circuit can realize the automation of case leakproofness testing process, improves detection efficiency.

According to the utility model discloses case leakproofness check out test set's control circuit, include: the first PLC module is used for controlling the clamping and the opening of the lower clamp; the second PLC module is used for controlling the air tightness detector; the third PLC module is used for controlling the upper clamp to screw the valve core switch; the fourth PLC module is used for controlling the air inflation cylinder; the station sensor is respectively connected with the first PLC module, the second PLC module, the third PLC module and the fourth PLC module and used for feeding back station states; and the power supply end is respectively connected with the first PLC module, the second PLC module, the third PLC module and the fourth PLC module for supplying power.

According to the utility model discloses case leakproofness check out test set's control circuit has following technological effect at least: the embodiment of the utility model controls the lower clamp to clamp and open through the first PLC module, so that the lower clamp can clamp a valve core, the fourth PLC module controls the inflation cylinder to introduce gas into the valve core, the second PLC module controls the air tightness detector to detect the tightness of the valve core in an inflation state, the third PLC module controls the upper clamp to rotate a valve core switch in the detection process, the access passage of the valve core is switched, and a plurality of passages in the valve core are detected; the control circuit can realize automatic detection of the sealing performance of the valve element, a worker is only responsible for mounting and taking down the valve element, and other detection processes are carried out in a full-automatic mode, so that the detection efficiency is greatly improved.

According to some embodiments of the utility model, the power end with be provided with the circuit breaker between first PLC module, second PLC module, third PLC module and the fourth PLC module.

According to some embodiments of the utility model, the circuit breaker with be provided with the auxiliary relay between the circuit breaker between first PLC module, second PLC module, third PLC module and the fourth PLC module.

According to some embodiments of the utility model, still include emergency stop button, emergency stop button connects the control end of auxiliary relay.

According to the utility model discloses a some embodiments still include switching power supply, switching power supply's input links to each other with the power end, switching power supply's output is used for providing low pressure working power.

According to the utility model discloses a some embodiments still include the touch-sensitive screen, first PLC module, second PLC module, third PLC module and fourth PLC module are connected respectively in order to be used for realizing human-computer interaction to the touch-sensitive screen.

According to the utility model discloses a some embodiments still include analog input module, the station sensor is connected analog input module's input, the signal input part of first PLC module, second PLC module, third PLC module and fourth PLC module is connected respectively through RS485 to analog input module's output.

According to some embodiments of the invention, the analog input module is of model DAM 8082.

According to some embodiments of the invention, the model of the first PLC module is DVP16ES 200R.

According to some embodiments of the invention, the model of the second PLC module, the third PLC module and the fourth PLC module is DVP24XN 200R.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic circuit diagram of a control circuit of a device for detecting tightness of a valve element in an embodiment of the present invention;

fig. 2 is a wiring diagram of a first PLC module in an embodiment of the present invention;

fig. 3 is a wiring diagram of a second PLC module in an embodiment of the present invention;

fig. 4 is a wiring diagram of a third PLC module in an embodiment of the present invention;

fig. 5 is a wiring diagram of a fourth PLC module according to an embodiment of the present invention;

fig. 6 is a wiring diagram of a sensor unit according to an embodiment of the present invention.

Reference numerals

The PLC system comprises a first PLC module 100, a second PLC module 200, a third PLC module 300, a fourth PLC module 400, a station sensor 500 and a switching power supply 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a control circuit of a valve cartridge sealability detection apparatus includes: a first PLC module 100, a second PLC module 200, a third PLC module 300, a fourth PLC module 400, a station sensor 500, and a power source terminal. The valve core sealing detection equipment comprises a plurality of stations, and each station is provided with an upper clamp, a lower clamp, an inflation cylinder and an airtight detector.

Referring to fig. 2, a first PLC module 100 is connected to a control terminal of the lower clamp, and functions to control the lower clamp to clamp/unclamp the valve core;

referring to fig. 5, the fourth PLC module 400 is connected to an inflation cylinder, and after the valve core is fixed in the lower clamp, the fourth PLC module 400 controls the inflation cylinder to introduce gas into the valve core;

referring to fig. 3, the second PLC module 200 is connected to a control terminal of the air tightness detector, and determines the air tightness by detecting the air pressure inside the valve core;

referring to fig. 4, the third PLC module 300 is connected to the upper fixture, and functions to control the upper fixture to rotate the switch of the valve core, switch the gas access path of the valve core, and detect multiple paths in the valve core;

referring to fig. 6, the station sensor 500 is connected to an input end of an analog input module, and the analog input module is respectively connected to the first PLC module 100, the second PLC module 200, the third PLC module 300, and the fourth PLC module 400 through RS485 interfaces, preferably, the analog input module is of a model of DAM8082 in this embodiment. Station sensor 500's effect is for each PLC module feedback station state, and PLC carries out the leakproofness according to preset program when having the case on the station and detects the flow, and it belongs to prior art to send control command through carrying out the program setting to the PLC module, the utility model discloses do not relate to the improvement to the PLC program, technical personnel in the field can carry out parameter setting according to the description of PLC controller in order to realize different control function.

Referring to fig. 1, the power supply end adopts commercial power, and includes a live wire L and a zero wire N, the live wire L and the zero wire N are respectively connected to the first PLC module 100, the second PLC module 200, the third PLC module 300 and the fourth PLC module 400, and supply power to each PLC module, wherein the model of the first PLC module 100 is DVP16ES200R, and the model of the second PLC module 200, the third PLC module 300 and the fourth PLC module 400 is DVP24XN 200R.

In order to ensure the safety of the circuit, a circuit breaker F1 and an intermediate relay KM1 are arranged between the commercial power and the first PLC module 100, the second PLC module 200, the third PLC module 300 and the fourth PLC module 400, the emergency stop button is further included, the emergency stop button is connected with the control end of the intermediate relay KM1, the equipment under emergency can be turned off, and a lighting lamp H1 and a lighting switch S1 are further connected to a power supply loop.

The touch screen display device further comprises a switching power supply 600 and a touch screen, wherein the input end of the switching power supply 600 is connected with a power supply end, and the output end of the switching power supply 600 is used for providing a 24V low-voltage working power supply. The data section of the touch screen is respectively connected with the first PLC module 100, the second PLC module 200, the third PLC module 300 and the fourth PLC module 400 for human-computer interaction. The 24V dc power output by the switching power supply 600 supplies power to the touch screen and the station sensor 500.

To sum up, the embodiment of the present invention controls the lower clamp to clamp and open through the first PLC module 100, so that the lower clamp can clamp the valve element, controls the inflation cylinder to introduce gas into the valve element through the fourth PLC module 400, controls the air tightness detector through the second PLC module 200 to detect the air tightness of the valve element in the inflation state, controls the upper clamp to rotate the valve element switch through the third PLC module 300 during the detection process, switches the access path of the valve element, and detects multiple paths in the valve element; the control circuit can realize automatic detection of the sealing performance of the valve element, a worker is only responsible for mounting and taking down the valve element, and other detection processes are carried out in a full-automatic mode, so that the detection efficiency is greatly improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A control circuit for a valve cartridge sealability detection apparatus, comprising:

a first PLC module (100), wherein the first PLC module (100) is used for controlling the clamping and the opening of the lower clamp;

a second PLC module (200), the second PLC module (200) being for controlling the air tightness detector;

the third PLC module (300), the third PLC module (300) is used for controlling the upper clamp to screw the valve core switch;

a fourth PLC module (400), the fourth PLC module (400) for controlling a charging cylinder;

the station sensor (500) is respectively connected with the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400) for feeding back the station state;

the power supply end is respectively connected with the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400) for supplying power.

2. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: circuit breakers are arranged between the power supply end and the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400).

3. The control circuit of the valve cartridge sealability detection apparatus according to claim 2, wherein: an intermediate relay is arranged between the circuit breaker and the circuit breaker arranged between the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400).

4. The control circuit of the valve cartridge sealing performance detection apparatus according to claim 3, characterized in that: the emergency stop control device further comprises an emergency stop button, and the emergency stop button is connected with the control end of the intermediate relay.

5. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: the power supply further comprises a switching power supply (600), wherein the input end of the switching power supply (600) is connected with a power supply end, and the output end of the switching power supply (600) is used for providing a low-voltage working power supply.

6. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: the intelligent control system is characterized by further comprising a touch screen, wherein the touch screen is respectively connected with the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400) so as to realize human-computer interaction.

7. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: the station sensor (500) is connected with the input end of the analog input module, and the output end of the analog input module is respectively connected with the signal input ends of the first PLC module (100), the second PLC module (200), the third PLC module (300) and the fourth PLC module (400) through RS 485.

8. The control circuit of the valve cartridge sealing performance detection apparatus according to claim 7, characterized in that: the model of the analog quantity input module is DAM 8082.

9. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: the model of the first PLC module (100) is DVP16ES 200R.

10. The control circuit of the valve cartridge sealability detection apparatus according to claim 1, wherein: the second PLC module (200), the third PLC module (300) and the fourth PLC module (400) are all of DVP24XN200R type.