CN216718930U - Emergency button system - Google Patents
Emergency button system Download PDFInfo
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- CN216718930U CN216718930U CN202122615306.6U CN202122615306U CN216718930U CN 216718930 U CN216718930 U CN 216718930U CN 202122615306 U CN202122615306 U CN 202122615306U CN 216718930 U CN216718930 U CN 216718930U
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Abstract
The utility model discloses an emergency button system which comprises an emergency button, an action loop and a signal transmission link bridged between the emergency button and the action loop, wherein the signal transmission link comprises at least one transmission channel, each transmission channel respectively comprises a switching value input module, the switching value input module is connected with a first serial port-to-optical fiber converter, the first serial port-to-optical fiber converter is connected with an optical fiber, the optical fiber is connected with a second serial port-to-optical fiber converter, the second serial port-to-optical fiber converter is connected with a switching value output module, and the switching value output module outputs signals to the action loop. Therefore, when the emergency button is pressed down, isolated output is realized, the problem of reliable remote transmission of the emergency button signal is solved, the reliability and the real-time performance of signal transmission can not be ensured, and the cost can be reduced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of industrial control circuits, in particular to an emergency button system.
[ background of the utility model ]
In the field of industrial control, the emergency button is used for realizing emergency shutdown of equipment or emergency starting of key protection equipment by manually pressing a physical button by a worker under the condition that a control system fails or in an emergency, so that the aim of protecting the equipment and the human body is fulfilled.
Typically, the emergency button is located in a readily accessible location around the field device or on the centralized control room operator's deck, and the emergency button is connected to the control panel that controls the operation of the device, typically by a control cable.
With the advance of intelligent and digital factory construction, in order to better realize centralized control monitoring management of equipment, more fully utilize human resources and improve the labor efficiency of personnel, a plurality of factories need to combine a plurality of centralized control rooms to realize centralized monitoring of a plurality of factories, and the emergency button needs to be migrated or added to the centralized control room at the same time. The distance between a plurality of factories can reach several kilometers, even 10 kilometers or more, if still adopt control cable connection, on the one hand the cable cost will be very high, simultaneously in order to guarantee that signal transmission is normal, for example voltage attenuation may cause the relay can't move etc. need increase extra relay in order to improve transmission voltage grade, will influence the reliability of electric circuit.
[ Utility model ] content
The utility model provides an emergency button system, which solves the problem of reliable remote transmission of emergency button signals.
The utility model is realized by the following technical scheme:
the emergency button-switching optical fiber switch comprises an emergency button, an action loop and a signal transmission link bridged between the emergency button and the action loop, wherein the signal transmission link comprises at least one transmission channel, each transmission channel comprises a switching value input module, the switching value input module is connected with a first serial port-to-optical fiber converter, the first serial port-to-optical fiber converter is connected with an optical fiber, the optical fiber is connected with a second serial port-to-optical fiber converter, the second serial port-to-optical fiber converter is connected with a switching value output module, and the switching value output module outputs signals to the action loop.
An emergency button system as described above, comprising at least one connection contact within the emergency button, said connection contact being connected to said transmission channel.
In the emergency button system, a relay module is disposed between the switching value output module and the action loop.
In the emergency button system, the relay modules form a series-parallel circuit, the series-parallel circuit is connected with the action circuit, the transmission channel transmits signals to the series-parallel circuit, the relay modules are respectively provided with relay contacts, at least one series relay contact in the series-parallel circuit is connected, and the signals are transmitted to the action circuit.
The emergency button system comprises four connecting contacts, four connecting contacts are connected with four transmission channels, four signals are sent out by pressing the emergency button and are transmitted to the series-parallel circuit through the transmission channels, the relay module in the series-parallel circuit comprises a relay module K1, a relay module K2, a relay module K3 and a relay module K4, one end of the relay module K4 is connected with the relay module K3, the other end of the relay module K4 is connected with the relay module K2, one end of the relay module K1 is connected with the relay module K3, the other end of the relay module K1 is connected with the relay module K2, and the connecting ends of the relay module K4 and the relay module K2 are connected with the connecting ends of the relay module K3 and the relay module K1, the connection end of the relay module K4 and the relay module K3 and the connection end of the relay module K2 and the relay module K1 output signals to be connected into the action loop.
In the emergency button system, the relay module K4 is connected to the switching value output module 4, the switching value output module 4 is connected to the switching value input module 4, the switching value input module 4 switches on the emergency button, the relay module K2 is connected to the switching value output module 2, the switching value output module 2 is connected to the switching value input module 2, and the switching value input module 2 switches on the emergency button.
In the emergency button system, the relay module K3 is connected to the switching value output module 3, the switching value output module 3 is connected to the switching value input module 3, the switching value input module 3 switches on the emergency button, the relay module K1 is connected to the switching value output module 1, the switching value output module 1 is connected to the switching value input module 1, and the switching value input module 1 switches on the emergency button.
According to the emergency button system, the action loop is internally provided with the action relay and the local button, the head end of the action relay is connected with one end of the local button, the tail end of the action relay is connected with the other end of the local button to form a series loop, and the action relay controls the local button through signals transmitted in the series-parallel loop.
According to the emergency button system, the switching value input module and the first serial port-to-optical fiber converter are connected through the RS485 interface, and data communication is performed through an MODBUS protocol, and the switching value output module and the second serial port-to-optical fiber converter are connected through the RS485 interface.
According to the emergency button system, at least one group of signal connecting channels are arranged between the emergency button and the switching value input module, the switching value input module is connected with at least one emergency button, at least one group of signal connecting channels are arranged between the relay module and the action loop, and the relay module is connected with at least one action loop.
Compared with the prior art, the utility model has the following advantages:
the utility model solves the problem of reliable long-distance transmission of the emergency button signal.
The utility model adopts special circuit structure design and optical fiber for long-distance connection, reduces the risk that the relay can not work due to voltage attenuation, does not need to add an additional intermediate relay to improve the transmission voltage grade, has fast signal transmission of the optical fiber, has fast response of the action loop, can realize the long-distance transmission of the emergency button signal and ensures the real-time property of the signal.
At least one transmission channel is arranged between the emergency button and the action loop, the transmission channels are connected with the relay modules, the relay modules form a series-parallel loop, signals are transmitted to the action loop through the series-parallel loop, and the reliability of signal transmission is improved.
According to the utility model, at least one group of signal connecting channels are arranged between the emergency button and the switching value input module, so that the switching value input module is connected with at least one emergency button, and at least one group of signal connecting channels are arranged between the relay module and the action loop, so that the relay module is connected with at least one action loop; and because the optical fiber is used for connection, the application of the signal cable is reduced, and the cost is also reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a block diagram of the circuit of the present invention;
FIG. 2 is a schematic diagram of the circuit of the present invention;
FIG. 3 is a schematic diagram of a series-parallel circuit and an action loop of the relay of the present invention;
FIG. 4 is a schematic circuit diagram of the switching value input module of the present invention;
FIG. 5 is a schematic circuit diagram of the switching value output module of the present invention;
FIG. 6 is a schematic diagram of a serial-to-fiber converter according to the present invention;
FIG. 7 is a schematic circuit diagram of a relay module of the present invention;
description of reference numerals: 10. an emergency button; 20. a switching value input module; 30. an optical fiber; 40. a switching value output module; 50. a relay module; 60. an action loop; 100. connecting the contacts; 200. a transmission channel; 301. a first serial port-to-fiber converter; 302. a second serial port-to-optical fiber converter; 501. a relay contact; 503. a series-parallel loop; 601. an action relay; 602. a local button.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In one embodiment, an emergency button system as shown in fig. 1 to 7 comprises an emergency button 10, an action loop 60 and a signal transmission link bridged therebetween, wherein the signal transmission link comprises at least one transmission channel 200. The emergency button 10 comprises 4 connecting contacts 100, when the emergency button 10 is pressed, the 4 connecting contacts 100 are simultaneously conducted to send out 4 contact signals, and the 4 contact signals are respectively transmitted to the switching value input modules 20 in the 4 groups of transmission channels 200 by communication cables. The switching value input module 20 is further respectively transmitted to the 4 first serial port-to-optical fiber converters 301 through the signal cable, the first serial port-to-optical fiber converter 301 converts the RS-485 signal into an optical fiber signal, the signals are transmitted to the 4 second serial-to-optical fiber converters 302 through the 4 optical fibers 30, the second serial-to-optical fiber converters 302 convert the optical fiber signals into RS-485 signals and transmit the signals to the 4 switching value output modules 40 through communication cables, the switching value output modules 40 transmit the signals to the corresponding relay modules 50 through the communication cables, the 4 relay modules 50 form a series-parallel loop 503, the series-parallel loop 503 has a signal protection effect, finally, the corresponding action relay 601 coils are driven to act through an action loop 60 which is merged into the series-parallel loop 503, contacts of the corresponding action relay 601 are closed, and isolated output of the loops is achieved.
Specifically, the switching value output module 40 inputs a signal to the series-parallel circuit 503, and the series-parallel circuit 503 outputs a signal to the operation circuit 60. The action circuit 60 is provided with an action relay 601 and a local button 602, the action circuit 60 receives the signal in the series-parallel circuit 503, and the action relay 601 controls the local button 602 through the signal.
More specifically, the relay module 50 in the series-parallel circuit 503 includes a relay module K1, a relay module K2, a relay module K3, and a relay module K4, one end of the relay module K4 is connected to the relay module K3, the other end of the relay module K4 is connected to the relay module K2, one end of the relay module K1 is connected to the relay module K3, the other end of the relay module K1 is connected to the relay module K2, the connection ends of the relay module K4 and the relay module K2 are connected to the connection ends of the relay module K3 and the relay module K1, and the connection ends of the relay module K4 and the relay module K3 are connected to the connection ends of the relay module K2 and the relay module K1 to output signals to the action circuit 60. When the relay module K4 is communicated with the relay module K2, or the relay module K3 is communicated with the relay module K1, or the relay module K4 is communicated with the relay module K1, or the relay module K3 is communicated with the relay module K2, or the relay module K4 is communicated with the relay module K2 and the relay module K1, or the relay module K3 is communicated with the relay module K2 and the relay module K1, or the relay module K4 is communicated with the relay module K3 and the relay module K2, or the relay module K4 is communicated with the relay module K3 and the relay module K1, or the relay module K4 is communicated with the relay module K3 and the relay module K2 is communicated with the relay module K1, the series-parallel loop 503 may transmit a signal to the action loop 60.
Further, data communication is performed between the switching value input module 20 and the switching value output module 40 through an RS485 interface and by using a MODBUS protocol. The switching value input module 20 is connected with a first serial port-to-optical fiber converter 301, the first serial port-to-optical fiber converter 301 can convert an RS-485 signal into an optical fiber signal, the first serial port-to-optical fiber converter 301 is connected with a second serial port-to-optical fiber converter 302 through an optical fiber 30, the second serial port-to-optical fiber converter 302 can convert the optical fiber signal into the RS-485 signal, and the second serial port-to-optical fiber converter 302 is connected with the switching value output module 40. The first serial port-to-optical fiber converter 301 and the second serial port-to-optical fiber converter 302 are connected by an optical fiber 30 through TX and RX interfaces to realize long-distance signal transmission. The 1A + and 2B-of the first serial-to-optical fiber converter 301 and the second serial-to-optical fiber converter 302 are respectively connected with the 1A + and 2B-of the switching value input module 20 and the switching value output module 40 by communication cables, so as to extend the transmission distance.
Further, the switching value input module 20 has 16 switching value input channels, and has 16 contact input signals, i.e., the contact signals of the emergency button 10 are accessed therefrom, and DI1 to DI16 and DGND. The working power supply of the switching value input module 20 is 24VDC, and the connection is terminals 5V + and 6V-. The RS485 communication interface of the switching value input module 20 is a terminal 1A +, 2B-, and RGND and GND are shielding and grounding terminals. The switching value output module 40 has 16 switching value output channels, and outputs 16 switching value on/off signals to the relay module 50 corresponding to the 16 switching value input channels of the switching value input module 20, and the channels are provided with DO1 to DO16 and COM. The working power supply of the switching value output module 40 is 24VDC, and the connection is terminals 5V + and 6V-. The RS485 communication interface of the switching value output module 40 is opened to be a terminal 1A +, 2B-, and RGND and GND are shielding and grounding terminals. The relay module 50 has 8 input channels and 8 output channels, and 8 relays are arranged on the relay module 50 to realize the isolation of the input channels and the output channels. The input channel operating voltage is 24VDC and power is applied through terminals 1V + and 2V-on the relay module 50. The input channels are terminals DO and COM, and the DO and COM terminals corresponding to the channels of the switching value output module 40 are connected by signal cables. The output channels are terminals NO, NC and COM, and normally open NO or normally closed NC is selected according to loop requirements.
The switching value input module 20 in this embodiment is provided with 16 sets of signal input channels, so that the switching value input module 20 can be connected with 16 emergency buttons 10, and the relay module 50 has 8 sets of input channels and 8 sets of output channels, so that the relay module 50 can be connected with 8 action circuits 60. The extra emergency button 10 connected may serve as a backup button; different action loops 60 can also be connected to realize remote operation in different areas, and the problem of reliable remote transmission of the signal of the emergency button 10 is solved.
The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods and structures as those of the present invention or several technical deductions or substitutions on the premise of the idea of the present invention should be regarded as the protection scope of the present invention.
Claims (10)
1. The emergency button system is characterized by comprising an emergency button (10), an action loop (60) and a signal transmission link bridged between the emergency button and the action loop (60), wherein the signal transmission link comprises at least one transmission channel (200), each transmission channel (200) comprises a switching value input module (20), the switching value input module (20) is connected with a first serial port-to-optical fiber converter (301), the first serial port-to-optical fiber converter (301) is connected with an optical fiber (30), the optical fiber (30) is connected with a second serial port-to-optical fiber converter (302), the second serial port-to-optical fiber converter (302) is connected with a switching value output module (40), and the switching value output module (40) outputs signals to the action loop (60).
2. An emergency button system according to claim 1, characterized in that at least one connection contact (100) is comprised in the emergency button (10), said connection contact (100) being connected to the transmission channel (200).
3. The emergency button system according to claim 2, wherein a relay module (50) is provided between the switching value output module (40) and the operation circuit (60).
4. An emergency button system according to claim 3, wherein the relay modules (50) form a series-parallel circuit (503), the series-parallel circuit (503) connects the action circuit (60), the transmission channel (200) transmits a signal to the series-parallel circuit (503), the relay modules (50) are each provided with a relay contact (501), at least one series-connected relay contact (501) in the series-parallel circuit (503) is closed, and the signal is transmitted to the action circuit (60).
5. An emergency button system according to claim 4, wherein the emergency button (10) is provided with four connecting contacts (100), four connecting contacts (100) are connected with four transmission channels (200), and four signals are sent by pressing the emergency button (10) and transmitted to the series-parallel circuit (503) through the transmission channels (200), the relay module (50) in the series-parallel circuit (503) comprises a relay module K1, a relay module K2, a relay module K3 and a relay module K4, one end of the relay module K4 is connected with the relay module K3, the other end of the relay module K4 is connected with the relay module K2, one end of the relay module K1 is connected with the relay module K3, the other end of the relay module K1 is connected with the relay module K2, and the connecting ends of the relay module K4 and the relay module K2 are connected with the relay module K3 and the relay module K3 The electrical appliance module K1 connecting end is connected, the relay module K4 and the relay module K3 connecting end and the relay module K2 and the relay module K1 connecting end output signal and access the action loop (60).
6. An emergency button system according to claim 5, wherein the relay module K4 is connected to the switching value output module 4, the switching value output module 4 is connected to the switching value input module 4, the switching value input module 4 is connected to the emergency button (10), the relay module K2 is connected to the switching value output module 2, the switching value output module 2 is connected to the switching value input module 2, and the switching value input module 2 is connected to the emergency button (10).
7. An emergency button system according to claim 6, wherein the relay module K3 is connected to the switching value output module 3, the switching value output module 3 is connected to the switching value input module 3, the switching value input module 3 switches on the emergency button (10), the relay module K1 is connected to the switching value output module 1, the switching value output module 1 is connected to the switching value input module 1, and the switching value input module 1 switches on the emergency button (10).
8. The emergency button system according to claim 7, wherein an action relay (601) and a local button (602) are arranged in the action loop (60), the head end of the action relay (601) is connected with one end of the local button (602), the tail end of the action relay (601) is connected with the other end of the local button (602) to form a series loop, and the action relay (601) controls the local button (602) through a signal transmitted in the series-parallel loop (503).
9. The emergency button system of claim 1, wherein the switching value input module (20) is connected to the first serial to fiber converter (301), and the switching value output module (40) is connected to the second serial to fiber converter (302) via an RS485 interface, and data communication is performed using MODBUS protocol.
10. An emergency button system according to claim 3, wherein at least one set of signal connection channels is provided between the emergency button (10) and the switching value input module (20), the switching value input module (20) is connected to at least one of the emergency buttons (10), at least one set of signal connection channels is provided between the relay module (50) and the actuating circuit (60), and the relay module (50) is connected to at least one of the actuating circuits (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615306.6U CN216718930U (en) | 2021-10-28 | 2021-10-28 | Emergency button system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615306.6U CN216718930U (en) | 2021-10-28 | 2021-10-28 | Emergency button system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718930U true CN216718930U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615306.6U Active CN216718930U (en) | 2021-10-28 | 2021-10-28 | Emergency button system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718930U (en) |
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2021
- 2021-10-28 CN CN202122615306.6U patent/CN216718930U/en active Active
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