CN115389832A - A Fast Screening Tool for Analog Quantity Detection Fault - Google Patents

Abstract

The invention discloses a rapid shielding tool for analog quantity detection faults, which belongs to the field of industrial automation equipment and includes an electrical plug and an electrical component connected to the electrical component. The electrical plug is provided with a power supply pin, an analog current pin, and a DC power supply pin. pin, analog voltage pin. The invention provides a fast shielding tool for analog quantity detection faults. When the analog quantity detection is damaged or the analog quantity detection is no longer used, the fast shielding tool is used instead, and the analog quantity output function is realized by using the power supply of the line, which can complete 0‑10V DC voltage, or 4‑20mA current analog output instead, at this time the device can collect normal analog signals, and the device considers the detection signal of the plug connection to be normal after receiving the signal output, so as to block this detection fault and ensure the normal operation of the device .

Description

A Fast Screening Tool for Analog Quantity Detection Fault

technical field

The invention belongs to the field of industrial automation equipment, in particular to a rapid shielding tool for analog quantity detection faults.

Background technique

In the process of industrial automation production, there is a situation where the analog quantity detection on the equipment is damaged, and the analog quantity signal cannot be collected, resulting in the failure of the equipment to operate. Generally, analog quantity detection is a relatively expensive detection. It takes a certain amount of time to find spare parts for maintenance, and even needs to obtain spare parts from different places. The cycle of spare parts has a great impact on the operation efficiency of equipment and greatly slows down the production progress. At the same time, in equipment transformation, it is sometimes necessary to carry out such analog quantity detection fault shielding in order to achieve the purpose of smooth transformation. It is necessary to invent a tool that can be used for analog detection fault shielding when analog detection damage occurs, temporarily replacing the analog output to ensure the normal operation of the equipment.

Contents of the invention

Aiming at the above-mentioned problems existing in the prior art, the present invention provides a fast shielding tool for analog quantity detection faults, including electrical plugs and electrical components, the electrical plugs are in the form of connectors of M12 aviation plugs, and the signals corresponding to the five pins are: 1-power supply 24V, 2-current analog output, 3-DC power supply 0V, 4-analog voltage output, the electrical plug is connected to the electrical components, and the analog output function is realized by using the power supply of the line, which can complete 0-10V DC voltage, Or 4-20mA current analog output instead, after the device receives the signal output, it thinks that the detection signal of the plug connection is normal, so as to block this detection fault and ensure the normal operation of the device.

In order to achieve the above object, the present invention adopts the following technical scheme: a rapid shielding tool for analog quantity detection faults, including electrical plugs, electrical components, the electrical plugs are connected to the electrical components, and the electrical plugs are provided with power pins, analog current pins, DC Power pin, analog voltage pin.

Further, a protective shell is provided outside the electrical plug and the electrical components.

Beneficial effects of the present invention:

The invention provides a fast shielding tool for analog quantity detection faults. When the analog quantity detection is damaged or the analog quantity detection is no longer used, the fast shielding tool is used instead, and the analog quantity output function is realized by using the power supply of the line, which can complete 0-10V DC voltage, or 4-20mA current analog output instead, at this time the device can collect normal analog signals, after receiving the signal output, the device thinks that the detection signal of the plug connection is normal, so as to block this detection fault and ensure the normal operation of the device .

Description of drawings

Figure 1 is a structural diagram of the invention.

Figure 2 is a schematic diagram of the circuit.

In the figure: 1—electrical plug, 2—electrical components, 3—protective shell, 4—power pin, 5—analog current pin, 6—DC power pin, 7—analog voltage pin.

Detailed ways

In order to make the purpose, technical solutions and beneficial effects of the present invention more clear, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so as to facilitate the understanding of technical personnel.

As shown in FIG. 1-2 , the fast shielding tool for detecting analog faults includes an electrical plug 1 and an electrical component 2 . In this example, it is suitable for the shielding tool of analog sensor with 24V voltage supply and M12 aviation plug. The electrical plug adopts the connector form of M12 aviation plug. Pin 6, analog voltage pin 7, the corresponding signals are: power supply 24V, current analog output, DC power supply 0V, analog voltage output. The electrical plug 1 is connected to the electrical component 2, and the analog output function is realized by using the power supply of the line, which can complete the replacement of 0-10V DC voltage or 4-20mA current analog output, and its general output is about 8V DC voltage or about 12mA DC current. The electrical component 2 is provided with a protective shell, and the electrical plug 1 and the electrical component 2 are provided with a protective shell 3 as a whole. The protective shell 3 includes an electrical part compatible with the M12 aviation plug, has a certain space, and can accommodate and protect the protective shell of the electrical component. , its shape is made of plastic or metal, waterproof and dustproof, and has a long service life.

Working process of the present invention: the tool electrical plug 2 is an M12 aviation male plug, which can be matched with the M12 aircraft female plug on the device to complete the electrical connection. After the equipment fails, connect the tool to the equipment firmly, and the tool can output a DC current analog quantity of about 12mA to the equipment through the analog current pin 5, or output an 8V DC voltage analog quantity to the equipment through the analog voltage pin 7 Signal. When the device receives this signal, it can consider that the detection signal of the plug connection is normal, so as to block the detection fault to ensure the normal operation of the device, and achieve the working effect of quickly shielding the detection fault when the detection fault occurs on the device. This tool can also be used to replace the original testing equipment during equipment transformation, which can ensure the normal operation of the equipment during the process without changing the equipment operation program.

The invention provides a fast shielding tool for analog quantity detection faults. When the analog quantity detection is damaged or the analog quantity detection is no longer used, the fast shielding tool is used instead, and the analog quantity output function is realized by using the power supply of the line, which can complete 0-10V DC voltage, or 4-20mA current analog output instead, at this time the device can collect normal analog signals, after receiving the signal output, the device thinks that the detection signal of the plug connection is normal, so as to block this detection fault and ensure the normal operation of the device .

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in terms of form and Various changes may be made in the details without departing from the scope of the invention defined by the claims.

Claims (2)

1. A rapid shielding tool for analog quantity detection faults, characterized in that it includes an electrical plug (1), electrical components (2), the electrical plug (1) is connected to the electrical component (2), and the electrical plug (1) is equipped with a power supply Pin (4), analog current pin (5), DC power pin (6), analog voltage pin (7). 2 . The fast shielding tool for analog quantity detection faults according to claim 1 , characterized in that: the electrical plug ( 1 ) and the electrical components ( 2 ) are provided with a protective shell ( 3 ).

Images