CN214955325U - Watch tail auxiliary unit - Google Patents
Watch tail auxiliary unit Download PDFInfo
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- CN214955325U CN214955325U CN202121295596.4U CN202121295596U CN214955325U CN 214955325 U CN214955325 U CN 214955325U CN 202121295596 U CN202121295596 U CN 202121295596U CN 214955325 U CN214955325 U CN 214955325U
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Abstract
The utility model relates to a meter tail auxiliary unit, which comprises a main control chip U201A, wherein the main control chip U201A is externally connected with a GPRS module, an SIMI storage module, an indicator light module and a power supply module; the power supply module comprises a core board power supply module for supplying power to the main control chip U201A; pin 6 of the main control chip U201A is connected with an MK LIGHT port, and pin 7 is connected with a VDD EXT port; the MK LIGHT port is connected with the base of a triode Q51 through a current limiting resistor R229, the collector of the triode 51 is connected with one end of a network state indicator LIGHT diode through a voltage limiting resistor R230, the other end of the network state indicator LIGHT diode is connected with a power supply, and the on-off of the network state indicator LIGHT diode is controlled through the base voltage conversion of a triode Q51 so as to display the network state of the main control chip U201A; pin 14 of the main control chip U201A is connected to the usivdd port, pin 15 is connected to the USIM DATA port, pin 16 is connected to the USIM CLK port, and pin 17 is connected to the USIM RST port; the utility model relates to a rationally, compact structure and convenient to use.
Description
Technical Field
The utility model relates to a table tail auxiliary unit.
Background
In summer and winter, the line loss rate of individual transformer areas even reaches more than 30 percent due to low-voltage electricity stealing. The serious and great loss of electricity stealing problem of low-voltage power consumers causes the high attention of power systems. The power supply department drops into a large amount of manpower and material resources and looks over the action of stealing electricity, and the effect is not very ideal, in the equipment that power supply department dropped into, need to present circuit transformation, for this reason, need change whole outside carrier structure to compatible new mainboard, before carrying out the equipment input, need carry out a large amount of test tests, in the experiment, need relapse the dismouting to electric component, so that satisfy experimental needs. The utility model discloses mainly protect table tail auxiliary unit.
The broadband carrier module (HPLC) is characterized in that the broadband carrier module synchronously operates under the condition that the same parameters of two broadband carrier modules are not allowed in the same station area, otherwise networking conflict is generated, and therefore anyone can not normally work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a table tail auxiliary unit is provided overall. As one of the improvement points, the utility model discloses can be through with broadband carrier routing module (HPLC) of concentrator sharing, through monitoring and retransmission mechanism, under the prerequisite that does not influence the normal work of concentrator, realized this equipment and accomplished the basic function of checking meter through broadband carrier routing module (HPLC), combine 4G wireless data to upload the main website, accomplish anti-electricity-stealing, on-line monitoring, electric quantity collection etc..
In order to solve the above problems, the utility model adopts the following technical proposal:
a meter tail auxiliary unit, its characterized in that: the intelligent monitoring system comprises a main control chip U201A, wherein a GPRS module, a SIMI storage module, an indicator light module and a power supply module are externally connected to the main control chip U201A; the power supply module comprises a core board power supply module for supplying power to the main control chip U201A;
the MK LIGHT port is connected with the base of a triode Q51 through a current limiting resistor R229, the collector of the triode 51 is connected with one end of a network state indicator LIGHT diode through a voltage limiting resistor R230, the other end of the network state indicator LIGHT diode is connected with a power supply, and the on-off of the network state indicator LIGHT diode is controlled through the base voltage conversion of a triode Q51 so as to display the network state of the main control chip U201A;
a pin 14 of the main control chip U201A is connected with a USIM VDD port, a pin 15 is connected with a USIM DATA port, a pin 16 is connected with a USIM CLK port, and a pin 17 is connected with a USIM RST port;
the USIM VDD port is connected with a pin 2 of the SIMI chip through a voltage limiting resistor R227, and the USIM VDD port is directly connected with a pin 5 of the SIMI chip;
the SIMI chip pin 2 is grounded through a capacitor and is connected with a USIM DATA port through a resistor R228; pin 1 is grounded through a capacitor C226 and is connected to the USIM CLK port through a resistor R226; pin 3 is grounded through capacitor 227, and resistor R225 is connected with the USIM RST port; pin 5 is connected to ground through capacitor C228; pin 6 is grounded; the communication interaction between the SIMI chip and the main control chip U201A is realized;
the pins 67 and 68 of the main control chip U201A are respectively connected with MK TXD and MK RXD ports; the MK TXD port is connected with an emitting electrode of a triode Q50, the base electrode of a triode Q50 is connected with a power supply through a resistor R222, a collector of the triode Q50 is divided into three paths, one path is grounded through a capacitor C230, the other path is connected with the power supply through a voltage resistor R221, and the other path is externally connected with a PA9GPRS RXD2 port;
the MK RXD port is divided into three paths, one path is grounded through a capacitor C205, the other path is connected with voltage through a voltage limiting resistor R251, and the other path is externally connected with a PA10GPRS TXD2 port;
the port of the PA9GPRS RXD2 is connected with a power supply through a voltage limiting resistor R231 and a light emitting diode LED-R-RED, and the port of the PA10GPRS TXD2 is connected with the power supply through a voltage limiting resistor R232 and a light emitting diode LED-T-Green to realize power supply, light indication and communication;
the pin 49 of the main control chip U201A is connected with two paths, one path is connected with one end of a resistor R247, and the other path is grounded through a capacitor C216; the other end of the resistor R247 outputs two paths, one path is grounded through a capacitor C217, and the other path is externally connected with an expansion module J51;
two output ends of an input end MIAN of the power supply module are grounded and filtered through capacitors C57 and C58 which are connected in parallel respectively, and the output end of the power supply module is connected with a terminal 3 of a voltage stabilizer U13; the voltage stabilizer U13 is grounded and filtered through the parallel capacitors C59 and C60, and the output terminal SYS thereof is electrically connected to the input terminal of the voltage resistor R221 of the main control chip U201A to ensure power supply.
The main control chip U201A is integrated on a PCD mainboard, and the PCD mainboard is in the shape of a tool holder.
The main control chip U201A is provided with a peripheral circuit power supply module, the power supply module is provided with an external expansion interface module, the external expansion interface module is electrically connected with the peripheral circuit power supply module, the external expansion interface module comprises a voltage stabilizing chip U14, and a pin 2 of the voltage stabilizing chip U14 is grounded through a capacitor C66; one path of the pin 1 is connected with voltage through a voltage limiting resistor R70, the other path of the pin is connected with a collector of a triode Q4, an emitter of the triode Q4 is grounded, a base of the triode Q4 is connected with one end of a resistor R75, the other end of the resistor R75 is divided into two paths, one path of the pin is connected with a power supply through a resistor R74, and the other path of the pin is connected with an indicator light through a PE10 GPRS PWRCTR 1; pin 3 is grounded, an isolation resistor R71 is connected between pin 4 and pin 5, pin 4 is output, pin 5 is grounded through a resistor R73, and pin 4 is grounded through a resistor R72; and on the voltage circuit at the output end of the pin 4, one path supplies power to peripheral electric parts, the other path is connected with a power supply, and the other path is grounded through capacitors CE5, C68 and C67 which are connected in parallel.
The utility model has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation and saving
Time saving, capital saving, compact structure and convenient use.
Drawings
Fig. 1 is a schematic diagram of the dual 4G communication circuit of the present invention.
Fig. 2 is a schematic diagram a of the split structure of the dual 4G communication circuit of the present invention.
Fig. 3 is a schematic diagram B of the split dual 4G communication circuit structure of the present invention.
Fig. 4 is a schematic diagram of the circuit structure of the communication indicator light of the present invention.
Fig. 5 is a schematic diagram of the structure of the GPRS indicator light of the present invention.
Fig. 6 is a schematic diagram of the power-on structure of the core board of the present invention.
Fig. 7 is a schematic diagram of a peripheral circuit structure according to the present invention.
Fig. 8 is a schematic diagram of a second structure of the peripheral circuit of the present invention.
Detailed Description
As shown in fig. 1-8, the PCD table is integrated on a PCD motherboard, the PCD motherboard is in the shape of a tool holder, and a main control chip U201A is integrated on the PCD motherboard, and a GPRS module, a SIMI storage module, an indicator light module and a power supply module are externally connected to the main control chip U201A; the power supply module comprises a core board power supply module for supplying power to the main control chip U201A.
the MK LIGHT port is connected with the base of a triode Q51 through a current limiting resistor R229, the collector of the triode 51 is connected with one end of a network state indicator LIGHT diode through a voltage limiting resistor R230, the other end of the network state indicator LIGHT diode is connected with a power supply, and the on-off of the network state indicator LIGHT diode is controlled through the base voltage conversion of a triode Q51 so as to display the network state of the main control chip U201A.
A pin 14 of the main control chip U201A is connected with a USIM VDD port, a pin 15 is connected with a USIM DATA port, a pin 16 is connected with a USIM CLK port, and a pin 17 is connected with a USIM RST port;
the USIM VDD port is connected with a pin 2 of the SIMI chip through a voltage limiting resistor R227, and the USIM VDD port is directly connected with a pin 5 of the SIMI chip;
the SIMI chip pin 2 is grounded through a capacitor and is connected with a USIM DATA port through a resistor R228; pin 1 is grounded through a capacitor C226 and is connected to the USIM CLK port through a resistor R226; pin 3 is grounded through capacitor 227, and resistor R225 is connected with the USIM RST port; pin 5 is connected to ground through capacitor C228; pin 6 is grounded; the communication interaction between the SIMI chip and the main control chip U201A is realized;
the pins 67 and 68 of the main control chip U201A are respectively connected with MK TXD and MK RXD ports; the MK TXD port is connected with an emitting electrode of a triode Q50, the base electrode of a triode Q50 is connected with a power supply through a resistor R222, a collector of the triode Q50 is divided into three paths, one path is grounded through a capacitor C230, the other path is connected with the power supply through a voltage resistor R221, and the other path is externally connected with a PA9GPRS RXD2 port;
the MK RXD port is divided into three paths, one path is grounded through a capacitor C205, the other path is connected with voltage through a voltage limiting resistor R251, and the other path is externally connected with a PA10GPRS TXD2 port;
the port of the PA9GPRS RXD2 is connected with a power supply through a voltage limiting resistor R231 and a light emitting diode LED-R-RED, and the port of the PA10GPRS TXD2 is connected with the power supply through a voltage limiting resistor R232 and a light emitting diode LED-T-Green to realize power supply, light indication and communication;
the pin 49 of the main control chip U201A is connected with two paths, one path is connected with one end of a resistor R247, and the other path is grounded through a capacitor C216; the other end of the resistor R247 outputs two paths, one path is grounded through the capacitor C217, and the other path is externally connected with an expansion module J51.
Two output ends of an input end MIAN of the power supply module are grounded and filtered through capacitors C57 and C58 which are connected in parallel respectively, and the output end of the power supply module is connected with a terminal 3 of a voltage stabilizer U13; the voltage stabilizer U13 is grounded and filtered through capacitors C59 and C60 which are connected in parallel, and an output end SYS of the voltage stabilizer U13 is electrically connected with an input end of a voltage resistor R221 of the main control chip U201A so as to ensure power supply;
the main control chip U201A is provided with a peripheral circuit power supply module, the power supply module is provided with an external expansion interface module, the external expansion interface module is electrically connected with the peripheral circuit power supply module, the external expansion interface module comprises a voltage stabilizing chip U14, and a pin 2 of the voltage stabilizing chip U14 is grounded through a capacitor C66; one path of the pin 1 is connected with voltage through a voltage limiting resistor R70, the other path of the pin is connected with a collector of a triode Q4, an emitter of the triode Q4 is grounded, a base of the triode Q4 is connected with one end of a resistor R75, the other end of the resistor R75 is divided into two paths, one path of the pin is connected with a power supply through a resistor R74, and the other path of the pin is connected with an indicator light through a PE10 GPRS PWRCTR 1; pin 3 is grounded, an isolation resistor R71 is connected between pin 4 and pin 5, pin 4 is output, pin 5 is grounded through a resistor R73, and pin 4 is grounded through a resistor R72; one path of the voltage circuit at the output end of the pin 4 supplies power to peripheral electric elements, the other path of the voltage circuit is connected with a power supply, and the other path of the voltage circuit is grounded through capacitors CE5, C68 and C67 which are connected in parallel; therefore, the stability, the safety and the control convenience of the peripheral circuit are ensured, and the circuit design is reasonable.
The present invention has been fully described for a clear disclosure, and is not further described in detail in the prior art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (3)
1. A meter tail auxiliary unit, its characterized in that: the intelligent monitoring system comprises a main control chip U201A, wherein a GPRS module, a SIMI storage module, an indicator light module and a power supply module are externally connected to the main control chip U201A; the power supply module comprises a core board power supply module for supplying power to the main control chip U201A;
pin 6 of the main control chip U201A is connected with an MK LIGHT port, and pin 7 is connected with a VDD EXT port;
the MK LIGHT port is connected with the base of a triode Q51 through a current limiting resistor R229, the collector of the triode 51 is connected with one end of a network state indicator LIGHT diode through a voltage limiting resistor R230, the other end of the network state indicator LIGHT diode is connected with a power supply, and the on-off of the network state indicator LIGHT diode is controlled through the base voltage conversion of a triode Q51 so as to display the network state of the main control chip U201A;
a pin 14 of the main control chip U201A is connected with a USIM VDD port, a pin 15 is connected with a USIM DATA port, a pin 16 is connected with a USIM CLK port, and a pin 17 is connected with a USIM RST port;
the USIM VDD port is connected with a pin 2 of the SIMI chip through a voltage limiting resistor R227, and the USIM VDD port is directly connected with a pin 5 of the SIMI chip;
the SIMI chip pin 2 is grounded through a capacitor and is connected with a USIM DATA port through a resistor R228; pin 1 is grounded through a capacitor C226 and is connected to the USIM CLK port through a resistor R226; pin 3 is grounded through capacitor 227, and resistor R225 is connected with the USIM RST port; pin 5 is connected to ground through capacitor C228; pin 6 is grounded; the communication interaction between the SIMI chip and the main control chip U201A is realized;
pins 20 and 21 of the main control chip U201A are respectively connected with a MK RESTET N port and an MK PWEKEY port; MK RESTET N one path is grounded through C211 and the other path is connected with PA7GPRS/RST end through diode D52; one path of the MK PWEKEY is grounded through a C210, and the other path is connected with a PA8GPRS ON/OFF end through a diode D51; so as to realize the reset and the switch of the GPRS module;
the pins 67 and 68 of the main control chip U201A are respectively connected with MK TXD and MK RXD ports; the MK TXD port is connected with an emitting electrode of a triode Q50, the base electrode of a triode Q50 is connected with a power supply through a resistor R222, a collector of the triode Q50 is divided into three paths, one path is grounded through a capacitor C230, the other path is connected with the power supply through a voltage resistor R221, and the other path is externally connected with a PA9GPRS RXD2 port;
the MK RXD port is divided into three paths, one path is grounded through a capacitor C205, the other path is connected with voltage through a voltage limiting resistor R251, and the other path is externally connected with a PA10GPRS TXD2 port;
the port of the PA9GPRS RXD2 is connected with a power supply through a voltage limiting resistor R231 and a light emitting diode LED-R-RED, and the port of the PA10GPRS TXD2 is connected with the power supply through a voltage limiting resistor R232 and a light emitting diode LED-T-Green to realize power supply, light indication and communication;
the pin 49 of the main control chip U201A is connected with two paths, one path is connected with one end of a resistor R247, and the other path is grounded through a capacitor C216; the other end of the resistor R247 outputs two paths, one path is grounded through a capacitor C217, and the other path is externally connected with an expansion module J51;
two output ends of an input end MIAN of the power supply module are grounded and filtered through capacitors C57 and C58 which are connected in parallel respectively, and the output end of the power supply module is connected with a terminal 3 of a voltage stabilizer U13; the voltage stabilizer U13 is grounded and filtered through the parallel capacitors C59 and C60, and the output terminal SYS thereof is electrically connected to the input terminal of the voltage resistor R221 of the main control chip U201A to ensure power supply.
2. The face-tail assist unit of claim 1, wherein: the main control chip U201A is integrated on a PCD mainboard, and the PCD mainboard is in the shape of a tool holder.
3. The face-tail assist unit of claim 1, wherein: the main control chip U201A is provided with a peripheral circuit power supply module, the power supply module is provided with an external expansion interface module, the external expansion interface module is electrically connected with the peripheral circuit power supply module, the external expansion interface module comprises a voltage stabilizing chip U14, and a pin 2 of the voltage stabilizing chip U14 is grounded through a capacitor C66; one path of the pin 1 is connected with voltage through a voltage limiting resistor R70, the other path of the pin is connected with a collector of a triode Q4, an emitter of the triode Q4 is grounded, a base of the triode Q4 is connected with one end of a resistor R75, the other end of the resistor R75 is divided into two paths, one path of the pin is connected with a power supply through a resistor R74, and the other path of the pin is connected with an indicator light through a PE10 GPRS PWRCTR 1; pin 3 is grounded, an isolation resistor R71 is connected between pin 4 and pin 5, pin 4 is output, pin 5 is grounded through a resistor R73, and pin 4 is grounded through a resistor R72; and on the voltage circuit at the output end of the pin 4, one path supplies power to peripheral electric parts, the other path is connected with a power supply, and the other path is grounded through capacitors CE5, C68 and C67 which are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295596.4U CN214955325U (en) | 2021-06-10 | 2021-06-10 | Watch tail auxiliary unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295596.4U CN214955325U (en) | 2021-06-10 | 2021-06-10 | Watch tail auxiliary unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955325U true CN214955325U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121295596.4U Active CN214955325U (en) | 2021-06-10 | 2021-06-10 | Watch tail auxiliary unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955325U (en) |
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2021
- 2021-06-10 CN CN202121295596.4U patent/CN214955325U/en active Active
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