CN215814151U - Enhanced remote control and remote signaling function expansion device - Google Patents
Enhanced remote control and remote signaling function expansion device Download PDFInfo
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- CN215814151U CN215814151U CN202121370875.2U CN202121370875U CN215814151U CN 215814151 U CN215814151 U CN 215814151U CN 202121370875 U CN202121370875 U CN 202121370875U CN 215814151 U CN215814151 U CN 215814151U
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Abstract
The utility model relates to an enhanced remote control and remote signaling function extension device which comprises a microcontroller, an ACDC module, a super capacitor power supply module, an uplink communication module and a serial communication module, wherein the ACDC module is used for converting an alternating current power supply on a line into a direct current power supply, and the super capacitor power supply module is used for providing a temporary standby direct current power supply when power is cut off. The device can carry out remote control and remote signaling function and quantity expansion according to the actual requirements on site.
Description
Technical Field
The utility model relates to the field of instruments and meters, in particular to an enhanced remote control and remote signaling function extension device.
Background
At present, due to a plurality of reasons such as power consumption requirements, space layout, cost consideration and the like, a terminal of a power distribution station area puts forward new requirements for remote control and remote signaling functions: such as expanding the number, split type layout, not increasing the cost of the original complete machine, etc. The current transformer area monitoring equipment, such as TTU, intelligent distribution transformer terminal, fusion terminal and the like, only has 4-channel remote signaling function and does not have remote control function. According to the No. 05 file of 2020 year of national grid intelligent power distribution, the intelligent fusion terminal in the transformer area monitoring terminal only comprises 4 paths of state quantity input interfaces. The remote control function is not included, the remote signaling function is only 4 paths, and the remote control function is used for acquiring signals such as the position state, the tripping state, the opening and closing state of a cabinet door, the water level, the smoke sensation and the like of the transformer low-voltage main circuit breaker, recording and storing the signals when the position is changed, and transmitting the position change signals to the main station or actively reporting the position change signals by a terminal when the main station inquires the position last time. As shown in fig. 1, the convergence terminal body includes 4 paths of remote signaling, the remote signaling supports single-point remote signaling, the anti-jitter time of the support software is 0-1000 milliseconds, the event recording resolution is not greater than 2 milliseconds, and the body does not have a remote control function.
The current station monitoring terminal in use widely has the following problems: (1) at present, the external interface of the state network latest standard platform area monitoring terminal does not comprise a remote control function, and the remote signaling function only comprises 4 paths of remote signaling. Aiming at the requirements that a part of transformer areas need remote control functions and multi-channel (more than 4 channels) remote signaling functions, the current transformer area terminal can not meet the use requirements. (2) The terminal meets the latest standard platform area monitoring terminal of the national network, and if the requirements of adding remote control and remote signaling functions in a special platform area are met by changing the overall function mode of the whole machine, the problems of cost increase, overall power consumption increase, overall layout and limited external interface, design limitation and the like are caused. (3) Even if a certain cell monitoring terminal has special remote control remote signaling requirements, the cell monitoring terminal serves as upper-layer equipment, and the functions of remote control and remote signaling of the cell monitoring terminal cannot be shared by other cell monitoring equipment, such as a branch terminal, a terminal and the like, so that the special requirements of the whole cell on remote control remote signaling cannot be met. (4) Aiming at special requirements of part of distribution areas on expansion of remote signaling quantity or addition of remote control functions, the cost and internal function distribution of the original complete machine are greatly changed, the requirements can be met only by carrying out large adjustment, and the changes are incompatible with conventional requirements, so that the universality and universality of the functions of the complete machine cannot be ensured. Therefore, aiming at the expansion of the conventional functions or the addition of the remote control and remote signaling functions and the quantity, an additional independent device with the remote control and remote signaling functions is required to meet special requirements.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a remote control and remote signaling function extension device which does not increase the cost and power consumption of the original terminal, does not modify the original terminal, can be adapted to various monitoring devices and master stations, supports remote upgrade, and has higher universality and low cost.
In order to solve the technical problems, the utility model provides an enhanced remote control and remote signaling function extension device which comprises a microcontroller, an ACDC module, a super capacitor power supply module, an uplink communication module and a serial communication module, wherein the ACDC module is used for converting an alternating current power supply on a line into a direct current power supply, the super capacitor power supply module is used for providing a temporary standby direct current power supply when the power is cut off, and the enhanced remote control and remote signaling function extension device is characterized by further comprising a remote signaling processing circuit and a remote control processing circuit, wherein the microcontroller is respectively connected with the uplink communication module, the serial communication module, the remote signaling processing circuit and the remote control processing circuit.
Still further, the remote signaling processing circuit comprises an external input end, an optical coupler, resistors R58, R60, R62, capacitors C32 and C34, wherein a cathode of the optical coupler is connected with the external input end through a resistor R62, a cathode of the optical coupler is grounded through a capacitor C34, an anode of the optical coupler is connected with a 5V direct-current power supply through a resistor R60, a collector of the optical coupler is connected with an IO port of the microcontroller, a collector of the optical coupler is connected with the 5V direct-current power supply through a resistor R58, the collector of the optical coupler is grounded through a capacitor C32, and an emitter of the optical coupler is grounded.
Still further, the remote signaling processing circuit further comprises a diode V23 and a bidirectional transient suppression diode V25, wherein the anode of the diode V23 is connected to the cathode of the optical coupler, the cathode of the diode V23 is connected to the anode of the optical coupler, one end of the bidirectional transient suppression diode V25 is connected to the cathode of the optical coupler, and the other end of the bidirectional transient suppression diode V25 is connected to the ground.
Still further, remote control processing circuit includes afterflow protection diode, relay, resistance R36, electric capacity C22, C23, relay coil one termination DC power supply, the relay coil other end passes through resistance R36 connects the microcontroller control mouth, relay common contact connects the public end to outer control, afterflow protection diode's negative pole connects DC power supply, afterflow protection diode's positive pole passes through resistance R36 connects the microcontroller control mouth, electric capacity C22 both ends are connected respectively the common contact and the normally closed contact of relay, electric capacity C23 both ends are connected respectively the common contact and the normally open contact of relay.
Furthermore, the uplink communication module is a 4G or 5G communication module.
Furthermore, the serial communication module is a 485 communication module or a CAN communication module.
The utility model has the beneficial effects that:
the external input end of the remote signaling processing circuit receives an external switching value signal, the change of the switching value is isolated by an optical coupler and then output to an IO port of the microcontroller, the change of the state of the external switching value is fed back immediately, and the external remote signaling signal is transmitted to the microcontroller. The resistor R62 and the capacitor C34 in the remote signaling processing circuit are used for meeting the requirements of voltage-withstanding impact and remote signaling anti-vibration so as to meet the requirements of EMC performance, and the resistors R58 and R60 are used for correspondingly adjusting according to the CTR parameters of a specific optical coupler so as to meet the CTR requirements of the optical coupler.
The control signal from the control end of the microprocessor is input into the remote control processing circuit to control the on-off of the current of the coil of the relay, so that the output end of the remote control processing circuit is switched between the normally closed contact and the normally open contact, and the remote control function is realized.
The microcontroller in the expansion device communicates with the monitoring equipment and the monitoring master station through the serial communication module and the uplink communication module, and remote control and remote signaling functions and quantity expansion can be carried out through the remote signaling processing circuit and the remote control processing circuit according to the actual field requirements of the monitoring equipment and the monitoring master station. The expansion device adopts independent power supply, does not generate power consumption requirement and cost increase on the monitoring equipment, simultaneously has a super capacitor power supply function, and can adjust the capacity according to the power supply time required by the situation specification of the corresponding distribution area monitoring terminal.
Drawings
Fig. 1 is a functional diagram of a conventional convergence terminal.
Fig. 2 is a structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of the remote signaling processing circuit 206 of fig. 2.
Fig. 4 is a circuit schematic diagram of the remote control processing circuit 207 in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As shown in fig. 2, an enhanced remote control and remote signaling function extension device includes a microcontroller 201, an ACDC module 202, a super capacitor power supply module 203, an uplink communication module 204, a serial communication module 205, a remote signaling processing circuit 206, and a remote control processing circuit 207. The ACDC module 202 converts ac power on the line to dc power to provide dc power to the microcontroller 201 and other modules and circuits of the expansion device. The super capacitor power backup module 203 provides temporary backup dc power to the expansion device when power is off. The microcontroller 201 is connected with a communication module 204, a serial communication module 205, a remote signal processing circuit 206 and a remote control processing circuit 207 respectively. The uplink communication module is a 4G or 5G communication module, and the serial communication module is a 485 communication module or a CAN communication module.
The specific circuit of the remote signaling processing circuit 206 is shown in fig. 3, and includes an external input terminal YX1+, an optical coupler D4, a resistor R58, an R60, an R62, a capacitor C32, a capacitor C34, a diode V23, and a bidirectional transient suppression diode V25. The cathode of the optical coupler D4 is connected with an external input end YX1+ through a resistor R62, and the cathode of the optical coupler D4 is connected with the anode of a diode V23 and is grounded through a capacitor C34; the anode of the optical coupler D4 is connected with the cathode of the diode V23 and is connected with a 5V direct-current power supply through the resistor R60; the IO port of microcontroller 201 in the figure 1 is connected to the collecting electrode of opto-coupler D4, and the collecting electrode of opto-coupler D4 connects through resistance R58 connects 5V DC power supply, the collecting electrode of opto-coupler passes through electric capacity C32 ground connection, opto-coupler D4's emitter ground connection. The bidirectional transient suppression diode V25 has one end connected to the cathode of the optical coupler D4 and the other end connected to ground. The external input end of the remote signaling processing circuit receives an external switching value signal, the change of the switching value is isolated by an optical coupler and then output to an IO port of the microcontroller, the change of the state of the external switching value is fed back immediately, and the external remote signaling signal is transmitted to the microcontroller. The resistor R62 and the capacitor C34 in the remote signaling processing circuit are used for meeting the requirements of voltage-withstanding impact and remote signaling anti-vibration so as to meet the requirements of EMC performance, and the resistors R58 and R60 are used for correspondingly adjusting according to the CTR parameters of a specific optical coupler so as to meet the CTR requirements of the optical coupler. The diode V23 and the bidirectional transient suppression diode V25 are used to prevent transient large currents from burning out the optocoupler D4.
The specific circuit of the remote control processing circuit 207 is shown in fig. 4, and includes a freewheeling protection diode V16, a relay K2, a resistor R36, capacitors C22 and C23, wherein one end of a coil of the relay K2 is connected with a 12V dc power supply, the other end of a coil of the relay K2 is connected with a control port of the microcontroller 201 through a resistor R36, a common contact of the relay is connected with an external control common terminal RLA0, a cathode of the freewheeling protection diode V16 is connected with the 12V dc power supply, an anode of the freewheeling protection diode V16 is connected with the control port of the microcontroller 201 through a resistor R36, two ends of a capacitor C22 are respectively connected with the common contact of the relay and a normally closed contact RLA1, and two ends of a capacitor C23 are respectively connected with the common contact of the relay and a normally open contact RLA 2. The capacitors C22 and C23 are filter capacitors. The control signal from the control port of the microprocessor 201 is input into the remote control processing circuit to control the on-off of the current of the coil of the relay, so that the output end of the remote control processing circuit is switched between the normally closed contact RLA1 and the normally open contact RLA2, and the remote control function is realized.
The embodiment of the utility model can carry out sequence adjustment, combination and deletion according to actual needs.
The embodiments describe the present invention in detail, and the specific embodiments are applied to illustrate the principle and the implementation of the present invention, and the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. An enhanced remote control and remote signaling function extension device comprises a microcontroller, an ACDC module, a super capacitor power supply module, an uplink communication module and a serial communication module, wherein the ACDC module is used for converting an alternating current power supply on a line into a direct current power supply, and the super capacitor power supply module is used for providing a temporary standby direct current power supply when power is cut off.
2. The enhanced remote control and remote signaling function extension device according to claim 1, wherein said remote signaling processing circuit comprises an external input terminal, an optical coupler, 3 resistors (R58, R60, R62), and 2 capacitors (C32, C34), said optical coupler cathode is connected to said external input terminal through said resistor (R62), said optical coupler cathode is grounded through said capacitor (C34), said optical coupler anode is connected to a 5V dc power supply through said resistor (R60), said optical coupler collector is connected to said microcontroller IO port, said optical coupler collector is connected to a 5V dc power supply through said resistor (R58), said optical coupler collector is grounded through said capacitor (C32), and said optical coupler emitter is grounded.
3. An enhanced remote control and telemetry function extension device as claimed in claim 2, wherein said telemetry processing circuit further comprises a diode (V23) and a bidirectional transient suppression diode (V25), wherein an anode of said diode (V23) is connected to a cathode of said optocoupler, a cathode of said diode (V23) is connected to an anode of said optocoupler, one end of said bidirectional transient suppression diode (V25) is connected to a cathode of said optocoupler, and the other end of said bidirectional transient suppression diode (V25) is connected to ground.
4. The enhanced remote control and remote signaling function extension device according to claim 1, wherein the remote control processing circuit comprises a freewheeling protection diode, a relay, a resistor (R36), and 2 capacitors (C22, C23), one end of the relay coil is connected to a dc power supply, the other end of the relay coil is connected to the microcontroller control port through the resistor (R36), the relay common contact is connected to an external control common end, the cathode of the freewheeling protection diode is connected to the dc power supply, the anode of the freewheeling protection diode is connected to the microcontroller control port through the resistor (R36), the two ends of the capacitor (C22) are respectively connected to the common contact and the normally closed contact of the relay, and the two ends of the capacitor (C23) are respectively connected to the common contact and the normally open contact of the relay.
5. The enhanced remote control and telemetry function extension device of claim 1, wherein the uplink communication module is a 4G or 5G communication module.
6. The enhanced remote control and telemetry function extension device of claim 1, wherein the serial communication module is a 485 communication module or a CAN communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370875.2U CN215814151U (en) | 2021-06-18 | 2021-06-18 | Enhanced remote control and remote signaling function expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370875.2U CN215814151U (en) | 2021-06-18 | 2021-06-18 | Enhanced remote control and remote signaling function expansion device |
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| CN215814151U true CN215814151U (en) | 2022-02-11 |
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| CN202121370875.2U Active CN215814151U (en) | 2021-06-18 | 2021-06-18 | Enhanced remote control and remote signaling function expansion device |
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- 2021-06-18 CN CN202121370875.2U patent/CN215814151U/en active Active
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