CN213024791U - Wireless transmission circuit and device applied to phasing system - Google Patents
Wireless transmission circuit and device applied to phasing system Download PDFInfo
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- CN213024791U CN213024791U CN202021947362.9U CN202021947362U CN213024791U CN 213024791 U CN213024791 U CN 213024791U CN 202021947362 U CN202021947362 U CN 202021947362U CN 213024791 U CN213024791 U CN 213024791U
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Abstract
The utility model relates to a phasing technical field discloses a be applied to wireless transmission circuit and device of phasing system, should be applied to wireless transmission circuit of phasing system and include: the wireless module is connected with the main control module; the main control module collects voltage signals and current signals of a phasing system and sends the voltage signals and the current signals to the wireless module; the wireless module transmits the voltage signal and the current signal to a remote server. The utility model discloses in, be applied to the wireless transmission circuit of phasing system and can act on the internet phasing system's internet access, realize the long-range interactive function of internet phasing system's data to solved current phasing system and needed many people cooperative operation, but just need the phone to communicate a little far away, the operation is wasted time and energy and is easily made mistakes's technical problem.
Description
Technical Field
The utility model relates to a phasing technical field especially relates to a be applied to wireless transmission circuit and device of phasing system.
Background
At present, the phasing device is applied to phase verification and phase sequence verification of power lines and substations, and has the functions of phase checking, phase sequence measurement, electricity verification and the like. The electromagnetic interference-free antenna has strong interference resistance, meets the standard requirement, and is suitable for various electromagnetic interference occasions. The basic principle of the current common equipment is as follows: a, B two collecting heads are adopted to respectively obtain a measured high-voltage phase signal and a known phase high-voltage phase signal, data are directly transmitted to a nuclear phase instrument host, the host receives the data and performs phase comparison and result qualification, the existing phasing system needs many people to operate in a cooperative mode, but the existing phasing system needs telephone communication at a long distance, the operation is time-consuming and labor-consuming, and errors are prone to occur.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a be applied to wireless transmission circuit and device of phasing system, aims at solving current phasing system and needs many people cooperative operation, but the distance just needs the telephone communication a little far away, the technical problem that the operation is wasted time and energy and is easily makeed mistakes.
In order to achieve the above object, the present invention provides a wireless transmission circuit applied to a phasing system, the wireless transmission circuit applied to the phasing system comprising: the wireless module is connected with the main control module; wherein the content of the first and second substances,
the main control module is used for acquiring a voltage signal and a current signal of a phasing system and sending the voltage signal and the current signal to the wireless module;
the wireless module is used for transmitting the voltage signal and the current signal to a remote server.
Optionally, the main control module includes a main control chip and a light emitting circuit, and a signal terminal of the main control chip is connected to the light emitting circuit; wherein the content of the first and second substances,
the main control chip is used for sending a level signal to the light-emitting circuit through a signal end of the main control chip when the voltage signal and the current signal are sent;
and the light-emitting circuit is used for receiving the level signal and intermittently turning on and off according to the level signal so as to display the working state of the main control chip.
Optionally, the light emitting circuit includes a first resistor and a light emitting diode; wherein the content of the first and second substances,
the first end of the first resistor is connected with a power supply, the second end of the first resistor is connected with the anode of the light-emitting diode, and the cathode of the light-emitting diode is connected with the signal end of the main control chip.
Optionally, the wireless transmission circuit applied to the phasing system further comprises: the electrostatic protection circuit is connected with the wireless module; wherein the content of the first and second substances,
the electrostatic protection circuit is used for releasing the electrostatic high voltage when the external port of the wireless module receives the electrostatic high voltage so as to protect the wireless module.
Optionally, the electrostatic protection circuit includes: the transient suppression protection circuit comprises a transient suppression protection unit, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; wherein the content of the first and second substances,
the first end of the transient suppression protection unit is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the transient suppression protection unit is grounded, the third end of the transient suppression protection unit is connected with the first end of the second capacitor, the second end of the second capacitor is grounded, the fourth end of the transient suppression protection unit is connected with the first end of the third capacitor, the second end of the third capacitor is grounded, the fifth end of the transient suppression protection unit is connected with the first end of the fourth capacitor, the second end of the fourth capacitor is grounded, and the first end, the third end, the fourth end and the fifth end of the transient suppression protection unit are connected with the wireless module.
Optionally, the transient suppression protection unit includes: the transient suppression diode comprises a transient suppression diode, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a sixth diode, a seventh diode and an eighth diode; wherein the content of the first and second substances,
a cathode of the first diode is connected with a cathode of the third diode, a cathode of the transient suppression diode, a cathode of the fifth diode and a cathode of the seventh diode, an anode of the first diode is connected with a cathode of the second diode, and an anode of the second diode is connected with an anode of the fourth diode, an anode of the transient suppression diode, an anode of the sixth diode and an anode of the eighth diode;
the anode of the third diode is connected with the cathode of the fourth diode, the anode of the fifth diode is connected with the cathode of the sixth diode, the anode of the seventh diode is connected with the cathode of the eighth diode, and the cathode of the transient suppression diode is grounded;
the anode of the first diode is connected with the first end of the fourth capacitor, the anode of the third diode is connected with the first end of the first capacitor, the anode of the fifth diode is connected with the first end of the second capacitor, and the anode of the seventh diode is connected with the first end of the third capacitor.
Optionally, the wireless module includes a wireless chip, a signal input end of the main control chip is connected with a signal output end of the wireless chip, and a signal output end of the main control chip is connected with a signal input end of the wireless chip; wherein the content of the first and second substances,
the wireless chip is used for transmitting the voltage signal and the current signal to a remote server.
Optionally, the wireless module further includes a SIM card slot unit, a second resistor, a third resistor, a fourth resistor, and a reset circuit; wherein the content of the first and second substances,
the ground terminal of SIM card slot unit with wireless chip's draw-in groove ground terminal is connected, the data end of SIM card slot unit with the first end of second resistance is connected, the second end of second resistance with wireless chip's data end is connected, wireless chip's data end with the power end of SIM card slot unit is connected, the clock end of SIM card slot unit with the first end of third resistance is connected, the second end of third resistance with wireless chip's clock end is connected, the draw-in groove of SIM card slot unit resets the end with the first end of fourth resistance is connected, the second end of fourth resistance with wireless chip's draw-in groove resets the end and connects, wireless chip reset the end with reset circuit connects.
Optionally, the reset circuit includes a fifth resistor, a sixth resistor, and a first MOS transistor; wherein the content of the first and second substances,
the first end of the fifth resistor is connected with the reset end of the main control chip, the second end of the fifth resistor is connected with the first end of the sixth resistor, the second end of the sixth resistor is grounded, the first end of the sixth resistor is connected with the base electrode of the first MOS tube, the source electrode of the first MOS tube is grounded, and the drain electrode of the first MOS tube is connected with the reset end of the wireless chip.
In order to achieve the above object, the present invention further provides a wireless transmission device applied to a phasing system, which includes the wireless transmission circuit applied to the phasing system as described above.
The utility model discloses technical scheme provides a be applied to the wireless transmission circuit of phasing system, be applied to the wireless transmission circuit of phasing system and include: the wireless module is connected with the main control module; the main control module is used for acquiring a voltage signal and a current signal of a phasing system and sending the voltage signal and the current signal to the wireless module; the wireless module is used for transmitting the voltage signal and the current signal to a remote server. The utility model discloses in, be applied to the wireless transmission circuit of phasing system and can act on the 4G internet access of internet phasing system, realize the long-range interactive function of data of internet phasing system to solved current phasing system and needed many people cooperative operation, but just need the phone to communicate a little far away, the operation is wasted time and energy and is easily made mistakes's technical problem.
Drawings
Fig. 1 is a functional block diagram of an embodiment of a wireless transmission circuit applied to a phasing system according to the present invention;
fig. 2 is a schematic circuit diagram of a main control module according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of an electrostatic protection circuit according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a wireless module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a reset circuit according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a data input/output port according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Main control module | R1～R7 | First to |
|
| 200 | Wireless module | C1～C7 | First to |
|
| 300 | |
201 | SIM card slot unit | |
| U1 | |
202 | |
|
| 101 | Light emitting circuit | GND | Grounding terminal | |
| LED | Light emitting diode | | Data terminal | |
| 301 | Transient suppression protection unit | CLK | Clock terminal | |
| TVS | Transient suppression diode | SIMRST | Return end of clamping groove | |
| D1～D8 | First to eighth diodes | RESET | Reset terminal | |
| RXD | Signal input terminal | U2 | Wireless chip | |
| TXD | Signal output terminal | VCC | Power supply terminal | |
| H1 | Data input/output port | VDD | Power supply terminal | |
| MKRXD | Data input terminal | RF | Antenna end | |
| MKTXD | Data output terminal | X1 | Antenna pedestal | |
| NetState | Network terminal | Q1 | First MOS transistor | |
| AD | Signal terminal |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a be applied to the wireless transmission circuit of phasing system.
Referring to fig. 1, in an embodiment of the present invention, the wireless transmission circuit applied to the phasing system includes: the wireless module comprises a main control module 100 and a wireless module 200, wherein the main control module 100 is connected with the wireless module 200; wherein the content of the first and second substances,
the main control module 100 is configured to collect a voltage signal and a current signal of a phasing system, and send the voltage signal and the current signal to the wireless module 200. In this embodiment, the wireless transmission circuit applied to the phasing system may act on a 4G network connection of the internet phasing system, so as to implement a data remote interaction function of the internet phasing system. The wireless transmission circuit applied to the phasing system can comprise a main control module 100 and wireless modules 200, the main control module 100 can further comprise a microprocessor with a storage function on the basis of transmission, the wireless transmission circuit applied to the phasing system can comprise a plurality of wireless modules 200, each group of wireless modules 200 can be provided with fixed codes and stored in a power-down mode, and the main control module 100 can also inquire the online state of each group of wireless modules 200.
Specifically, the main control module 100 may include a main control chip for collecting a voltage signal and a current signal of a phasing system and transmitting the voltage signal and the current signal to the wireless module 200.
The wireless module 200 is configured to transmit the voltage signal and the current signal to a remote server. In this embodiment, the wireless module 200 may receive the voltage signal and the current signal transmitted by the main control module 100, and transmit the voltage signal and the current signal to a remote server; the wireless transmission circuit applied to the phasing system can realize the data remote interaction function of the internet phasing system, and the wireless module 200 can receive the signal sent by the remote server and transmit the signal to the main control module 100.
The present embodiment proposes a wireless transmission circuit applied to a phasing system, the wireless transmission circuit applied to the phasing system including: the wireless module comprises a main control module 100 and a wireless module 200, wherein the main control module 100 is connected with the wireless module 200; the main control module 100 is configured to collect a voltage signal and a current signal of a phasing system, and send the voltage signal and the current signal to the wireless module 200; the wireless module 200 is configured to transmit the voltage signal and the current signal to a remote server. In the implementation, the wireless transmission circuit applied to the phasing system can act on the 4G network connection of the Internet phasing system to realize the data remote interaction function of the Internet phasing system, thereby solving the technical problems that the existing phasing system needs to be operated by multiple persons in a cooperative way, but needs telephone communication when the distance is a little long, and the operation is time-consuming, labor-consuming and easy to make mistakes.
Further, referring to fig. 2, the main control module 100 includes a main control chip U1 and a light emitting circuit 101, and a signal terminal of the main control chip U1 is connected to the light emitting circuit 101; wherein the content of the first and second substances,
the main control chip U1 is configured to send a level signal to the light emitting circuit 101 through a signal end of the main control chip U1 when sending the voltage signal and the current signal;
the light-emitting circuit 101 is configured to receive the level signal, and turn on or off intermittently according to the level signal to display a working state of the main control chip U1.
It should be noted that the main control module 100 includes a main control chip U1 and a light emitting circuit 101, and the light emitting circuit 101 is configured to receive a level signal sent by the main control chip U1, and turn on or off intermittently according to the level signal to display a working state of the main control chip U1.
It is easy to understand that the power supply terminal VDD of the main control chip U1 is positive, the power supply terminal VDD of the main control chip U1 may be connected to the +3.3V port, the ground terminal GND of the main control chip U1 is ground, and the main control chip U1 may further include a peripheral circuit, where the peripheral circuit may include a fifth capacitor C5, and the fifth capacitor C5 is a filter bypass capacitor, for short-circuiting the interfering high-frequency noise signal to ground. The peripheral circuit can also be provided with a program programming port H2, the program programming port H2 can be used for downloading programs of a single chip microcomputer, wherein a first end of the program programming port H2 can be connected with a +3.3V port, a second end of the program programming port H2 can be connected with a program output end P3.1_ TXD of the main control chip U1, a third end of the program programming port H2 can be connected with a program input end P3.0_ RXD of the main control chip U1, and a fourth end of the program programming port H2 is grounded.
Further, with continued reference to fig. 2, the light emitting circuit 101 includes a first resistor R1 and a light emitting diode LED; wherein the content of the first and second substances,
the first end of the first resistor R1 is connected with a power supply, the second end of the first resistor R1 is connected with the anode of the light emitting diode LED, and the cathode of the light emitting diode LED is connected with the signal end of the main control chip U1.
It should be noted that, the first end of the first resistor R1 can be connected with the power supply +3.3V, the light emitting circuit 101 can include the first resistor R1 and the light emitting diode LED, the signal terminal AD of the main control chip U1 is connected with the negative pole of the light emitting diode LED, the first resistor R1 can be the current limiting resistor of the light emitting diode LED, the first resistor R1 is connected with the positive pole of the light emitting diode LED, when the main control chip U1 has data transmission, the main control chip U1 controls the level of the signal terminal AD, so that the light emitting diode LED is turned on or off intermittently, and the working state of the main control chip U1 is indicated.
Further, referring to fig. 3, the wireless transmission circuit applied to the phasing system further includes: an electrostatic protection circuit 300, wherein the electrostatic protection circuit 300 is connected to the wireless module 200; wherein the content of the first and second substances,
the electrostatic protection circuit 300 is configured to release the electrostatic high voltage when the external port of the wireless module 200 receives the electrostatic high voltage, so as to protect the wireless module 200.
It should be noted that, the wireless transmission circuit applied to the phasing system may further include an electrostatic protection circuit 300, where the electrostatic protection circuit 300 may be an ESD electrostatic protection circuit, and the electrostatic protection circuit 300 performs an electrostatic protection function on each port in the wireless module 200, where the electrostatic protection circuit 300 may include a transient suppression protection unit 301, and the transient suppression protection unit 301 is a main protection element for implementing electrostatic protection.
Further, with continued reference to fig. 3, the electrostatic protection circuit 300 includes: the transient suppression protection unit 301, the first capacitor C1, the second capacitor C2, the third capacitor C3 and the fourth capacitor C4; wherein the content of the first and second substances,
the first end of the transient suppression protection unit 301 is connected to the first end of the first capacitor C1, the second end of the first capacitor C1 is grounded, the second end of the transient suppression protection unit 301 is grounded, the third end of the transient suppression protection unit 301 is connected to the first end of the second capacitor C2, the second end of the second capacitor C2 is grounded, the fourth end of the transient suppression protection unit 301 is connected to the first end of the third capacitor C3, the second end of the third capacitor C3 is grounded, the fifth end of the transient suppression protection unit 301 is connected to the first end of the fourth capacitor C4, the second end of the fourth capacitor C4 is grounded, and the first end, the third end, the fourth end and the fifth end of the transient suppression protection unit 301 are connected to the wireless module 200.
It should be noted that the electrostatic protection circuit 300 may include a transient suppression protection unit 301, a first capacitor C1, a second capacitor C2, a third capacitor C3, and a fourth capacitor C4, where the transient suppression protection unit 301 is a main protection element for implementing electrostatic protection, the transient suppression protection unit 301 is internally composed of a transient suppression diode TVS protection tube and a plurality of diode pairs, and when a voltage of an external port is instantaneously too high, the internal transient suppression diode TVS is short-circuited to release a pulsed electrostatic high voltage, thereby playing a role of protecting a device. In the electrostatic protection circuit 300, the first capacitor C1, the second capacitor C2, the third capacitor C3 and the fourth capacitor C4 are filter bypass capacitors, and short-circuit a high-frequency interference signal to ground.
Further, with continued reference to fig. 3, the transient suppression protection unit 301 includes: a transient suppression diode TVS, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a fifth diode D5, a sixth diode D6, a seventh diode D7, and an eighth diode D8; wherein the content of the first and second substances,
a cathode of the first diode D1 is connected to a cathode of the third diode D3, a cathode of the transient suppression diode TVS, a cathode of the fifth diode D5, and a cathode of the seventh diode D7, an anode of the first diode D1 is connected to a cathode of the second diode D2, and an anode of the second diode D2 is connected to an anode of the fourth diode D4, an anode of the transient suppression diode TVS, an anode of the sixth diode D6, and an anode of the eighth diode D8;
an anode of the third diode D3 is connected to a cathode of the fourth diode D4, an anode of the fifth diode D5 is connected to a cathode of the sixth diode D6, an anode of the seventh diode D7 is connected to a cathode of the eighth diode D8, and a cathode of the transient suppression diode TVS is grounded;
an anode of the first diode D1 is connected to the first terminal of the fourth capacitor C4, an anode of the third diode D3 is connected to the first terminal of the first capacitor C1, an anode of the fifth diode D5 is connected to the first terminal of the second capacitor C2, and an anode of the seventh diode D7 is connected to the first terminal of the third capacitor C3.
It should be noted that the transient suppression protection unit 301 is a main protection element for implementing electrostatic protection, and the transient suppression protection unit 301 is internally composed of a transient suppression diode TVS protection tube and a plurality of diode pairs, where the diode pairs may include: a diode pair of a first diode D1 and a second diode D2; a diode pair of a third diode D3 and a fourth diode D4; a diode pair of a fifth diode D5 and a sixth diode D6; the diode pair of the seventh diode D7 and the eighth diode D8 is short-circuited by the internal transient suppression diode TVS when the voltage of an external port is instantaneously too high, and discharges the electrostatic high voltage of the pulse, thereby playing a role of protecting the device.
Further, referring to fig. 4, the wireless module 200 includes a wireless chip U2, the signal input terminal RXD of the master chip U1 is connected to the signal output terminal TXD of the wireless chip U2, and the signal output terminal TXD of the master chip U1 is connected to the signal input terminal RXD of the wireless chip U2; wherein the content of the first and second substances,
the wireless chip U2 is used for transmitting the voltage signal and the current signal to a remote server.
It should be noted that the wireless module 200 includes a wireless chip U2, the signal input terminal RXD of the master control chip U1 is connected to the signal output terminal TXD of the wireless chip U2, and the signal output terminal TXD of the master control chip U1 is connected to the signal input terminal RXD of the wireless chip U2. The wireless module 200 can receive the voltage signal and the current signal transmitted by the main control module 100 and transmit the voltage signal and the current signal to a remote server; the wireless transmission circuit applied to the phasing system can realize the data remote interaction function of the internet phasing system, and the wireless module 200 can also receive the signal sent by the remote server and transmit the signal to the main control module 100.
Further, with continued reference to fig. 4, the wireless module 200 further includes a SIM card slot unit 201, a second resistor R2, a third resistor R3, a fourth resistor R4, and a reset circuit 202; wherein the content of the first and second substances,
a ground terminal GND of the SIM card slot unit 201 is connected to a ground terminal GND of the wireless chip U2, a DATA terminal DATA of the SIM card slot unit 201 is connected to a first terminal of the second resistor R2, a second terminal of the second resistor R2 is connected to a DATA terminal DATA of the wireless chip U2, a DATA terminal DATA of the wireless chip U2 is connected to a power terminal VDD of the SIM card slot unit 201, a clock terminal CLK of the SIM card slot unit 201 is connected to a first terminal of the third resistor R3, a second terminal of the third resistor R3 is connected to a clock terminal CLK of the wireless chip U2, a card slot RESET terminal SIMRST of the SIM card slot unit 201 is connected to a first terminal of the fourth resistor R4, a second terminal of the fourth resistor R4 is connected to a card slot RESET terminal SIMRST of the wireless chip U2, and a RESET terminal RESET of the wireless chip U2 is connected to the RESET circuit 202.
It should be noted that the wireless module 200 may include a wireless chip U2 and a SIM card slot unit 201, the wireless chip U2 may be a 4G wireless module or other communication modules, which is not limited in this embodiment, and the SIM card slot unit 201 may be a SIM card slot for installing a SIM card. The port of the wireless chip U2 is connected with the corresponding port of the main control chip U1.
It is easy to understand that the power supply terminal VCC of the wireless chip U2 is connected to +3.3V through a resistor, the power supply terminal VDD of the wireless chip U2 is connected to the VBAT port, the power supply terminal VDD of the wireless chip U2 is the power supply terminal of the wireless module 200, the sixth capacitor C6 and the seventh capacitor C7 of the circuit around the power supply terminal VDD of the wireless chip U2 are filter bypass capacitors of the power supply terminal of the wireless module 200, wherein the seventh capacitor C7 plays a role in voltage buffering, the sixth capacitor C6 bypasses high-frequency interference signals to ground, the antenna terminal RF of the wireless chip U2 is connected to the positive electrode of the antenna base X1, and the negative electrode of the antenna base X1 is grounded. The seventh resistor R7 is a pull-up resistor of the DATA terminal DATA of the wireless chip U2, the DATA terminal DATA of the wireless chip U2 is set to have a high default level, and the power supply terminal VDD of the SIM card slot unit 201 may also be connected to a filter bypass capacitor, so as to stabilize the voltage and filter the interference signals.
Further, referring to fig. 5, the reset circuit 202 includes a fifth resistor R5, a sixth resistor R6, and a first MOS transistor Q1; wherein the content of the first and second substances,
a first end of the fifth resistor R5 is connected to a RESET terminal RESET of the main control chip U1, a second end of the fifth resistor R5 is connected to a first end of the sixth resistor R6, a second end of the sixth resistor R6 is grounded, a first end of the sixth resistor R6 is connected to a base of the first MOS transistor Q1, a source of the first MOS transistor Q1 is grounded, and a drain of the first MOS transistor Q1 is connected to a RESET terminal RESET of the wireless chip U2.
It should be noted that the RESET circuit 202 may include a fifth resistor R5, a sixth resistor R6, and a first MOS transistor Q1, the RESET circuit 202 is a RESET circuit of a 4G wireless module, the RESET circuit 202 is controlled by a RESET terminal RESET of the main control chip U1, the RESET terminal RESET of the main control chip U1 is connected to the fifth resistor R5, the fifth resistor R5 is a current-limiting resistor, and the fifth resistor R5 is further connected to the sixth resistor R6 and the base of the first MOS transistor Q1, where the sixth resistor R6 pulls down the node potential, and the RESET terminal RESET of the wireless chip U2 is pulled down to control the RESET of the wireless chip U2 because the drain of the connection of the first MOS transistor Q1 and the RESET terminal RESET of the wireless chip U2, and when the RESET terminal of the main control chip U1 is at a high level, the first MOS transistor Q1 is turned on, and the RESET terminal RESET of the wireless chip U2 is pulled. When the RESET terminal RESET of the main control chip U1 is at a low level, the first MOS transistor Q1 is turned off, the RESET terminal RESET of the wireless chip U2 is released, the high level is restored, and the wireless chip U2 operates normally.
It will be readily appreciated that, with reference to fig. 6, the wireless transmission circuit applied to the phasing system may further comprise a data input output port H1, the data input output port H1 connecting the relevant pins of the wireless module 200 to the internet phasing system. The data input/output port H1 may be a 12Pin connector, the first end of the data input/output port H1 is connected to the data input terminal MKRXD of the main control chip U1, the third end of the data input/output port H1 is connected to the data output terminal MKTXD of the main control chip U1, the fifth end of the data input/output port H1 is connected to the network terminal NetState of the main control chip U1, the ninth end and the tenth end of the data input/output port H1 are connected to the VBAT power supply for supplying power to the data input/output port H1, the second end and the fourth end of the data input/output port H1 are grounded, the tenth end and the tenth end of the data input/output port H1 are connected to +3.3V for supplying a voltage of +3.3V to the data input/output port H1, and the sixth end, the seventh end and the eighth end of the data input/output port H1 are standby ends.
In order to achieve the above object, the present invention further provides a wireless transmission device applied to a phasing system, the device including the wireless transmission circuit applied to the phasing system as described above. The specific structure of the circuit refers to the above embodiments, and since the present device adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A wireless transmission circuit applied to a phasing system, the wireless transmission circuit applied to the phasing system comprising: the wireless module is connected with the main control module; wherein the content of the first and second substances,
the main control module is used for acquiring a voltage signal and a current signal of a phasing system and sending the voltage signal and the current signal to the wireless module;
the wireless module is used for transmitting the voltage signal and the current signal to a remote server.
2. The wireless transmission circuit applied to the phasing system of claim 1, wherein the main control module comprises a main control chip and a light emitting circuit, and a signal end of the main control chip is connected with the light emitting circuit; wherein the content of the first and second substances,
the main control chip is used for sending a level signal to the light-emitting circuit through a signal end of the main control chip when the voltage signal and the current signal are sent;
and the light-emitting circuit is used for receiving the level signal and intermittently turning on and off according to the level signal so as to display the working state of the main control chip.
3. The wireless transmission circuit applied to a phasing system according to claim 2, characterized in that the light emitting circuit comprises a first resistor and a light emitting diode; wherein the content of the first and second substances,
the first end of the first resistor is connected with a power supply, the second end of the first resistor is connected with the anode of the light-emitting diode, and the cathode of the light-emitting diode is connected with the signal end of the main control chip.
4. The wireless transmission circuit applied to a phasing system according to claim 1, further comprising: the electrostatic protection circuit is connected with the wireless module; wherein the content of the first and second substances,
the electrostatic protection circuit is used for releasing the electrostatic high voltage when the external port of the wireless module receives the electrostatic high voltage so as to protect the wireless module.
5. Wireless transmission circuit applied to a phasing system, according to claim 4, characterized in that said electrostatic protection circuit comprises: the transient suppression protection circuit comprises a transient suppression protection unit, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor; wherein the content of the first and second substances,
the first end of the transient suppression protection unit is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, the second end of the transient suppression protection unit is grounded, the third end of the transient suppression protection unit is connected with the first end of the second capacitor, the second end of the second capacitor is grounded, the fourth end of the transient suppression protection unit is connected with the first end of the third capacitor, the second end of the third capacitor is grounded, the fifth end of the transient suppression protection unit is connected with the first end of the fourth capacitor, the second end of the fourth capacitor is grounded, and the first end, the third end, the fourth end and the fifth end of the transient suppression protection unit are connected with the wireless module.
6. Wireless transmission circuit applied to a phasing system, according to claim 5, characterized in that said transient suppression protection unit comprises: the transient suppression diode comprises a transient suppression diode, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a sixth diode, a seventh diode and an eighth diode; wherein the content of the first and second substances,
a cathode of the first diode is connected with a cathode of the third diode, a cathode of the transient suppression diode, a cathode of the fifth diode and a cathode of the seventh diode, an anode of the first diode is connected with a cathode of the second diode, and an anode of the second diode is connected with an anode of the fourth diode, an anode of the transient suppression diode, an anode of the sixth diode and an anode of the eighth diode;
the anode of the third diode is connected with the cathode of the fourth diode, the anode of the fifth diode is connected with the cathode of the sixth diode, the anode of the seventh diode is connected with the cathode of the eighth diode, and the cathode of the transient suppression diode is grounded;
the anode of the first diode is connected with the first end of the fourth capacitor, the anode of the third diode is connected with the first end of the first capacitor, the anode of the fifth diode is connected with the first end of the second capacitor, and the anode of the seventh diode is connected with the first end of the third capacitor.
7. The wireless transmission circuit applied to a phasing system as recited in claim 2, wherein the wireless module comprises a wireless chip, the signal input end of the main control chip is connected with the signal output end of the wireless chip, and the signal output end of the main control chip is connected with the signal input end of the wireless chip; wherein the content of the first and second substances,
the wireless chip is used for transmitting the voltage signal and the current signal to a remote server.
8. The wireless transmission circuit applied to a phasing system according to claim 7, wherein the wireless module further comprises a SIM card slot unit, a second resistor, a third resistor, a fourth resistor, and a reset circuit; wherein the content of the first and second substances,
the ground terminal of SIM card slot unit with wireless chip's draw-in groove ground terminal is connected, the data end of SIM card slot unit with the first end of second resistance is connected, the second end of second resistance with wireless chip's data end is connected, wireless chip's data end with the power end of SIM card slot unit is connected, the clock end of SIM card slot unit with the first end of third resistance is connected, the second end of third resistance with wireless chip's clock end is connected, the draw-in groove of SIM card slot unit resets the end with the first end of fourth resistance is connected, the second end of fourth resistance with wireless chip's draw-in groove resets the end and connects, wireless chip reset the end with reset circuit connects.
9. The wireless transmission circuit applied to a phasing system as recited in claim 8, wherein the reset circuit comprises a fifth resistor, a sixth resistor and a first MOS transistor; wherein the content of the first and second substances,
the first end of the fifth resistor is connected with the reset end of the main control chip, the second end of the fifth resistor is connected with the first end of the sixth resistor, the second end of the sixth resistor is grounded, the first end of the sixth resistor is connected with the base electrode of the first MOS tube, the source electrode of the first MOS tube is grounded, and the drain electrode of the first MOS tube is connected with the reset end of the wireless chip.
10. A wireless transmission device for a phasing system, characterized in that the wireless transmission device for a phasing system comprises the wireless transmission circuit for a phasing system as claimed in claims 1-9.
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| CN202021947362.9U CN213024791U (en) | 2020-09-08 | 2020-09-08 | Wireless transmission circuit and device applied to phasing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184854A (en) * | 2021-11-15 | 2022-03-15 | 国网浙江省电力有限公司嵊州市供电公司 | Remote phasing system and method based on Internet of things technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184854A (en) * | 2021-11-15 | 2022-03-15 | 国网浙江省电力有限公司嵊州市供电公司 | Remote phasing system and method based on Internet of things technology |
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