CN118034454A - Emergency button control module and equipment with shielding function - Google Patents

Abstract

The invention provides an emergency button control module with a shielding function and equipment, comprising a control panel, an emergency button, a shielding plug and a safety relay, wherein the control panel is connected with the emergency button; the emergency button is connected with the control panel circuit in a switchable manner, and the safety relay is connected with the control panel circuit; when the emergency button is in circuit connection with the control panel, if the emergency button is pressed, the safety relay is powered off, and an emergency stop signal is sent to the equipment; if the emergency button is screwed up, the safety relay is electrified; when the shield plug is connected with the control panel circuit, the safety relay is electrified. Through setting up the shielding plug that can switch mutually with emergency button for with emergency button shielding failure when shielding plug and control panel circuit connection, thereby not only can the state of quick switch device, can also improve maintenance security, solved how the shielding emergency button in order to can manual adjustment equipment state when not screwing up emergency button's problem.

Description

Emergency button control module and equipment with muting function

Technical Field

The invention relates to the technical field of circuit design, and in particular to an emergency button control module and equipment with a shielding function.

Background technique

In industrial production, the operation of machines and equipment needs to follow certain safety standards. When an emergency occurs, people need a fast and reliable way to stop the operation of the equipment to avoid accidents and protect the safety of personnel. Emergency buttons are designed for this purpose.

The emergency button, also known as the emergency stop knob, is usually set separately from other control buttons of the equipment. When the emergency button is pressed, the power supply of the equipment safety relay is cut off, thereby sending a stop signal to the equipment to shut down the equipment, avoiding the expansion of abnormal accidents and ensuring the safety of personnel; when the abnormality is resolved, turn the emergency button to make the safety relay power supply normally, and then the equipment operates normally.

When handling an exception, it is often necessary to manually control the equipment to adjust the equipment status after confirming the abnormal point, such as changing the operating posture of each functional module in the equipment through an external control box such as a teach pendant. However, during the maintenance process, the equipment is in a shutdown state because the emergency button of the equipment is pressed, and the functional module cannot be adjusted through the teach pendant; if maintenance is to be carried out, the emergency button must be turned up, but because the emergency button of the equipment is usually set at the front (operating side), and equipment maintenance usually needs to be carried out on the back of the equipment, maintenance personnel need to switch the equipment status back and forth, and the operation process is complicated; in addition, the staff usually confirms the equipment status based on the emergency button. If the emergency button is turned up, the staff will regard the equipment as working normally. At this time, if there is a maintenance staff repairing the back of the equipment, after the staff starts the equipment, it is very easy to expand the consequences of the accident, or even cause a safety accident.

Summary of the invention

The object of the present invention is to provide an emergency button control module and device with a shielding function, so as to solve the problem of how to shield the emergency button so as to be able to manually adjust the device state when the emergency button is not rotated.

In order to solve the above technical problems, the present invention provides an emergency button control module with a shielding function, comprising a control panel, an emergency button, a shielding plug and a safety relay; the emergency button and the shielding plug are switchably connected to the control panel circuit, and the safety relay is connected to the control panel circuit;

The emergency button control module is configured as follows:

When the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and an emergency stop signal is sent to the equipment; if the emergency button is turned up, the safety relay is powered on;

When the shield plug is connected to the control panel circuit, the safety relay is energized.

Optionally, in the emergency button control module with shielding function, the emergency button and the shielding plug are switched by a control switch.

Optionally, in the emergency button control module with shielding function, the control switch is a single-pole double-throw switch, and the control switch has two branches, one of which is connected to the emergency button, and the other is connected to the shielding plug.

Optionally, in the emergency button control module with shielding function, the control switch includes two single-pole single-throw switches, the emergency button is connected in series with one of the single-pole single-throw switches to form a first branch, the shielding plug is connected in series with another of the single-pole single-throw switches to form a second branch, and the first branch and the second branch are connected in parallel.

Optionally, in the emergency button control module with shielding function, the control switch is controlled on and off by a control signal to achieve switching between the emergency button and the shielding plug.

Optionally, in the emergency button control module with shielding function, the control panel includes a front panel and a rear panel, and the emergency button includes a front emergency button and a rear emergency button; the front panel is connected to the rear panel circuit through the front emergency button; and the rear panel is connected to the safety relay circuit through the rear emergency button.

Optionally, in the emergency button control module with shielding function, the shielding plug includes a front shielding plug and a rear shielding plug; the front shielding plug and the front emergency button are switchably connected to the front panel and the rear panel circuit; the rear shielding plug and the rear emergency button are switchably connected to the rear panel and the safety relay circuit.

In order to solve the above technical problems, the present invention further provides a device with a shielding function, comprising the emergency button control module with a shielding function as described in any one of the above items.

Optionally, in the device with shielding function, the device with shielding function is configured as follows:

When the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and an emergency stop signal is sent to the device, and the device stops; if the emergency button is turned up, the safety relay is powered on and the device resumes automatic operation;

When the shielding plug is connected to the control panel circuit, the safety relay is energized and the device is manually controlled.

Optionally, in the device with shielding function, the emergency button control module with shielding function is integrated into a teaching box; the device is automatically controlled or manually controlled by the teaching box.

The emergency button control module and device with shielding function provided by the present invention include a control panel, an emergency button, a shielding plug and a safety relay; the emergency button and the shielding plug can be switchably connected to the control panel circuit, and the safety relay is connected to the control panel circuit; the emergency button control module is configured as follows: when the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and sends an emergency stop signal to the device; if the emergency button is rotated, the safety relay is powered on; when the shielding plug is connected to the control panel circuit, the safety relay is powered on. By setting a shielding plug that can be switched with the emergency button, the emergency button shielding is invalid when the shielding plug is connected to the control panel circuit, so that not only the state of the device can be quickly switched, but also the maintenance safety can be improved, and the problem of how to shield the emergency button so that the state of the device can be manually adjusted when the emergency button is not rotated is solved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a structural block diagram of an emergency button control module with a shielding function provided in this embodiment;

FIG2 is a schematic structural diagram of an emergency button control module in which the control switch provided in this embodiment is a single-pole double-throw switch;

3 is a schematic structural diagram of an emergency button control module in which the control switch provided in this embodiment is a single-pole single-throw switch;

FIG4 is a schematic diagram of the circuit connections of the front and rear panels inside the teaching box provided in this embodiment;

FIG. 5 is a schematic diagram showing the connection of the safety relay circuit inside the teaching box provided in this embodiment.

Detailed ways

The following is a further detailed description of the emergency button control module and device with shielding function proposed by the present invention in conjunction with the accompanying drawings and specific embodiments. It should be noted that the accompanying drawings are all in a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. In addition, the structure shown in the accompanying drawings is often a part of the actual structure. In particular, the emphasis of each accompanying drawing is different, and sometimes different proportions are used.

It should be noted that the terms "first", "second", etc. in the specification, claims and drawings of the present invention are used to distinguish similar objects in order to describe the embodiments of the present invention, rather than to describe a specific order or sequence. It should be understood that the structures used in this way can be interchanged under appropriate circumstances. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

The present embodiment provides an emergency button control module with a shielding function, as shown in FIG1 , comprising a control panel, an emergency button, a shielding plug and a safety relay; the emergency button and the shielding plug are switchably connected to the control panel circuit, and the safety relay is connected to the control panel circuit.

The emergency button control module is configured as follows:

When the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and an emergency stop signal is sent to the equipment; if the emergency button is turned up, the safety relay is powered on;

When the shield plug is connected to the control panel circuit, the safety relay is energized.

In this way, when the equipment is running normally, the emergency button is connected to the control panel circuit to ensure that the emergency button can normally play an emergency stop role and ensure the safe operation of the equipment; when the equipment is under maintenance, the maintenance personnel use a shielding plug to replace the emergency button, thereby shielding the emergency button function, so that when the emergency button is pressed, the safety relay is still energized, thereby facilitating maintenance work on the equipment.

The emergency button control module with shielding function provided in this embodiment is provided with a shielding plug that can be switched with the emergency button, so that when the shielding plug is connected to the control panel circuit, the emergency button shielding is disabled, thereby not only being able to quickly switch the status of the device, but also improving the maintenance safety, and solving the problem of how to shield the emergency button so that the device status can be manually adjusted when the emergency button is not rotated.

In actual applications, if you want to use a shielding plug to replace the emergency button, you can manually remove the connections between the emergency button and the control panel and the safety relay, and connect the two ends of the shielding plug to the control panel and the safety relay to achieve the switching from the emergency button to the shielding plug.

Taking into account the inconvenience of manual operation, such as wiring errors, increased workload caused by repeated switching, etc., in this embodiment, a control switch can be set to achieve the switching between the emergency button and the shielding plug.

Specifically, in a specific embodiment, as shown in FIG2 , the control switch is a single-pole double-throw switch SPDT, and the control switch has two branches, one of which is connected to the emergency button, and the other is connected to the shielding plug. Thus, when the single-pole double-throw switch is connected to the emergency button, the emergency button function takes effect; when the single-pole double-throw switch is connected to the shielding plug, the emergency button function is shielded.

Of course, in actual applications, a relay with the same channel selection function as a single-pole double-throw switch can be selected. This application does not limit the specific model of the single-pole double-throw switch. As long as it can realize the channel selection function, it can be regarded as the single-pole double-throw switch described in this application.

In another specific embodiment, as shown in FIG3 , the control switch includes two single-pole single-throw switches SPST1 and SPST2, the emergency button is connected in series with one of the single-pole single-throw switches SPST1 to form a first branch, the shielding plug is connected in series with the other of the single-pole single-throw switches SPST2 to form a second branch, and the first branch and the second branch are connected in parallel. The two single-pole single-throw switches are not connected at the same time, so by controlling the connection state of the two single-pole single-throw switches, it is possible to realize whether the emergency button is shielded. For example, when the single-pole single-throw switch connected in series with the emergency button is disconnected, and the single-pole single-throw switch connected in series with the shielding plug is closed, the emergency button function can be shielded.

Of course, in practical applications, the single-pole single-throw switch can be set on the side close to the control panel or on the side of the safety relay. In addition, the model selection of the single-pole single-throw switch is not limited in this application, as long as it can realize the on-off function of a single branch.

Preferably, in order to further improve the convenience of personnel operation, in this embodiment, the control switch is controlled by the control signal to switch between the emergency button and the shielding plug, wherein the control signal can be a pulse signal. For example, when the control signal is at a high level, the single-pole double-throw switch connects the emergency button, so that the emergency button function takes effect; when the control signal is at a low level, the single-pole double-throw switch connects the shielding plug, so that the emergency button is shielded. For another example, two single-pole single-throw switches can be controlled by the same control signal. In this embodiment, it can be set as follows: when the control signal is at a high level, the single-pole single-throw switch connected in series with the emergency button is invalid (disconnected), and the single-pole single-throw switch connected in series with the shielding plug is valid (closed), thereby shielding the emergency button function; when the control signal is at a low level, the single-pole single-throw switch connected in series with the emergency button is valid (closed), and the single-pole single-throw switch connected in series with the shielding plug is invalid (disconnected), thereby enabling the emergency button function to take effect.

This embodiment also provides a device with a shielding function, including the emergency button control module with a shielding function as described above.

In this embodiment, the device with shielding function is configured as follows:

When the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and an emergency stop signal is sent to the device, and the device stops; if the emergency button is turned up, the safety relay is powered on and the device resumes automatic operation;

When the shielding plug is connected to the control panel circuit, the safety relay is energized and the device is manually controlled.

In this way, it can be ensured that the emergency button can play an emergency stop role when the equipment fails, ensuring the safety of the equipment; at the same time, when the equipment is under maintenance, the emergency button function can be shielded through the shielding plug, and the equipment will not run automatically after the safety relay is energized, but can be manually controlled to facilitate maintenance work. It should be noted that the "manual control" mentioned in this application can specifically refer to the maintenance personnel adjusting the equipment posture through a manual remote control teaching box and other controllers, and does not specifically refer to the maintenance personnel directly touching the equipment components to adjust the equipment posture.

Specifically, in this embodiment, the emergency button control module with shielding function is integrated into a teaching box; the device is automatically controlled or manually controlled by the teaching box. Among them, "automatic control" means that the device can perform actions according to the program pre-burned in the teaching box; "manual control" means that the personnel indirectly adjust the posture/action of the device by operating the buttons/interfaces of the teaching box.

Below, taking the teaching box as an example, an implementation scheme of the emergency button control module with shielding function proposed in the present application in practical application is described.

In this embodiment, the control panel of the teaching box includes a front panel and a rear panel, and the emergency button includes a front emergency button and a rear emergency button; the front panel is connected to the rear panel circuit through the front emergency button; the rear panel is connected to the safety relay circuit through the rear emergency button.

Furthermore, the shielding plug includes a front shielding plug and a rear shielding plug; the front shielding plug and the front emergency button are switchably connected to the front panel and the rear panel circuit; the rear shielding plug and the rear emergency button are switchably connected to the rear panel and the safety relay circuit.

Specifically, as shown in FIG4 , the front panel includes 8 plugs (the 1 to 8 marks in the front panel in FIG4 represent one plug respectively, and the digital marks on other panels are the same) connected to the front emergency button through the two plugs at the bottom (plug 7 and plug 8), wherein plug 7 is connected to the XT3 signal (power supply), and plug 8 is connected to the rear panel; the rear panel is connected to the rear emergency button through the two plugs at the bottom (plug 7 and plug 8), wherein plug 7 is connected to plug 8 of the front panel, and plug 8 of the rear panel is connected to the safety relay. And, as shown in FIG5 , the positive pole and the test end of the safety relay are connected to the XT3 signal (power supply), and the negative pole is connected to plug 8 of the rear panel. At this point, the control panel, the emergency button and the safety relay are connected in circuit, which can ensure that after one of the front emergency button or the rear emergency button is pressed, the safety relay sends an emergency stop signal to control the equipment to stop.

Among them, other plugs on the front and rear panels are connected to other signals required for the operation of the device, and those skilled in the art can set them according to actual needs. In addition, the emergency stop signal can be set in multiple channels according to the specific situation of the device to send emergency stop signals to various modules in the device.

This part of the circuit connection is well known to those skilled in the art, and will not be described in detail in this application. Compared with the existing emergency button connection method, in this embodiment, the connection method between the front emergency button and the front panel is a convenient detachable connection, and the connection method between the rear emergency button and the rear panel is a convenient detachable connection. In this way, when it is necessary to shield the front emergency button, the front emergency button can be quickly removed from the front panel, and the front shielding plug can be connected to the front panel to replace the front emergency button to achieve functional shielding of the front emergency button; similarly, when it is necessary to shield the rear emergency button, the rear emergency button can be quickly removed from the rear panel, and the rear shielding plug can be connected to the rear panel to replace the rear emergency button to achieve functional shielding of the rear emergency button.

Since the teaching box is relatively small and is directly connected to the device through a cable, it can usually be carried by a person and moved within a certain range of the device. Therefore, the shielding plug of this embodiment can be replaced manually. Of course, in some other embodiments, the switching of the emergency button and the shielding plug can be realized by using a switch and a control signal according to the above scheme, wherein the control signal can be sent by the teaching box. Among them, the way in which the teaching box sends the control signal is well known to those skilled in the art, and this application will not elaborate on it.

It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other. In addition, the different parts between the various embodiments can also be used in combination with each other, and the present invention is not limited to this.

The emergency button control module and device with shielding function provided in this embodiment include a control panel, an emergency button, a shielding plug and a safety relay; the emergency button and the shielding plug can be switchably connected to the control panel circuit, and the safety relay is connected to the control panel circuit; the emergency button control module is configured as follows: when the emergency button is connected to the control panel circuit, if the emergency button is pressed, the safety relay is powered off and sends an emergency stop signal to the device; if the emergency button is rotated, the safety relay is powered on; when the shielding plug is connected to the control panel circuit, the safety relay is powered on. By setting a shielding plug that can be switched with the emergency button, the emergency button shielding is invalid when the shielding plug is connected to the control panel circuit, so that not only the state of the device can be quickly switched, but also the maintenance safety can be improved, and the problem of how to shield the emergency button so that the state of the device can be manually adjusted when the emergency button is not rotated is solved.

The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims (10)

1. The emergency button control module with the shielding function is characterized by comprising a control panel, an emergency button, a shielding plug and a safety relay; the emergency button is connected with the control panel circuit in a switchable manner, and the safety relay is connected with the control panel circuit;

The emergency button control module is configured to:

when the emergency button is in circuit connection with the control panel, if the emergency button is pressed, the safety relay is powered off, and an emergency stop signal is sent to the equipment; if the emergency button is screwed up, the safety relay is electrified;

When the shielding plug is in circuit connection with the control panel, the safety relay is electrified.

2. The emergency button control module with shielding function according to claim 1, wherein the emergency button and the shielding plug are switched by a control switch.

3. The emergency button control module with shielding function according to claim 2, wherein the control switch is a single pole double throw switch having two branches, one of which is connected to the emergency button and the other is connected to the shielding plug.

4. The emergency button control module with shielding function according to claim 2, wherein the control switch comprises two single pole single throw switches, the emergency button is connected in series with one of the single pole single throw switches to form a first branch, the shielding plug is connected in series with the other of the single pole single throw switches to form a second branch, and the first branch and the second branch are connected in parallel.

5. The emergency button control module with shielding function according to claim 2, wherein the control switch is controlled to be turned on and off by a control signal to realize switching between the emergency button and the shielding plug.

6. The emergency button control module with shielding function of claim 1, wherein the control panel comprises a front panel and a rear panel, the emergency button comprising a front emergency button and a rear emergency button; the front panel is in circuit connection with the rear panel through the front emergency button; the rear panel is connected with the safety relay circuit through the rear emergency button.

7. The emergency button control module with shielding function of claim 6, wherein the shielding plug comprises a front shielding plug and a rear shielding plug; the front shielding plug is in circuit connection with the front panel and the rear panel in a switchable manner with the front emergency button; the rear shielding plug is switchably connected with the rear panel and the safety relay circuit together with the rear emergency button.

8. A device with shielding function, characterized by comprising the emergency button control module with shielding function according to any one of claims 1 to 7.

9. The shielded device of claim 8, wherein the shielded device is configured to:

When the emergency button is in circuit connection with the control panel, if the emergency button is pressed, the safety relay is powered off, an emergency stop signal is sent to equipment, and the equipment is stopped; if the emergency button is screwed up, the safety relay is electrified, and the equipment resumes automatic operation;

When the shielding plug is in circuit connection with the control panel, the safety relay is electrified, and the equipment is controlled manually.

10. The shielded apparatus of claim 9 wherein said shielded emergency button control module is integrated within a teach pendant; the device is automatically or manually controlled by the teaching box.