CN210274071U - Bus receiving and transmitting integrated circuit based on KNX standard - Google Patents
Bus receiving and transmitting integrated circuit based on KNX standard Download PDFInfo
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- CN210274071U CN210274071U CN201920343276.8U CN201920343276U CN210274071U CN 210274071 U CN210274071 U CN 210274071U CN 201920343276 U CN201920343276 U CN 201920343276U CN 210274071 U CN210274071 U CN 210274071U
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Abstract
The utility model discloses a bus receiving and dispatching integrated circuit based on KNX standard, including pin unit and integrated unit, the pin unit connects external electronic device, the pin unit includes input pin unit, output pin unit, constant voltage source pin unit and voltage pin unit; the integrated unit includes power module, KNX receiving module, voltage processing module, constant voltage source unit, sends drive module and KNX and sends the module, input pin unit includes positive input pin, negative input pin and input pin, output pin unit includes first output pin, second output pin and output pin, constant voltage source pin unit includes first constant voltage source pin and second constant voltage source pin, constant voltage source unit includes first constant voltage source module and second constant voltage source module to realized accuracy, the defeated performance with the interchangeability of stability of digital signal on the direct current power cord, really just integrated a KNX chip.
Description
Technical Field
The utility model relates to a KNX technical field especially relates to a bus receiving and dispatching integrated circuit based on KNX standard.
Background
In the prior art, the conventional circuit modules based on the circuit application of the KNX communication bus implementation are many, if the number of the connected circuit modules is more, the number of the connecting wires is inevitably more, and thus, the whole circuit is more complicated and inconvenient to use. In addition, due to the complexity of the lines, the accuracy and stability of the digital signals on the direct current lines may be poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming among the prior art, provide a bus receiving and dispatching integrated circuit based on the KNX standard.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a bus transceiving integrated circuit based on a KNX standard comprises a pin unit and an integrated unit, wherein the pin unit is connected with an external electronic device and comprises an input pin unit, an output pin unit, a constant voltage source pin unit and a voltage pin unit; the integrated unit comprises a power supply module, a KNX receiving module, a voltage processing module, a constant voltage source unit, a sending driving module and a KNX sending module, the input pin unit comprises a positive input pin, a negative input pin and an input pin, the output pin unit comprises a first output pin, a second output pin and an output pin, the constant voltage source pin unit comprises a first constant voltage source pin and a second constant voltage source pin, and the constant voltage source unit comprises a first constant voltage source module and a second constant voltage source module;
the negative input pin is connected with the KNX receiving module, the negative input pin is connected with the power supply module, the power supply module is respectively connected with the first constant voltage source module and the second constant voltage source module, the first constant voltage source module and the second constant voltage source module are respectively connected with the voltage pin unit, and the power supply module is connected with the voltage pin unit;
the positive input pin is connected with the power supply module, the positive input pin is sequentially connected with the KNX receiving module, the voltage processing module and the output pin, and the second constant voltage source module is connected with the voltage processing module;
the input pin is connected with a sending drive module, a KNX sending module and an output pin unit in sequence, the power module is connected with the sending drive module, and the sending drive module and the power module are connected with a first constant voltage source module respectively.
As an implementation manner, the KNX sending module is connected to the first output pin and the second output pin respectively.
As an implementation manner, the voltage processing module includes a comparison shaping module and a filtering module, a first end of the comparison shaping module is connected to the KMX receiving module and the first constant voltage source module respectively, a second end is connected to a first end of the filtering module, and a third end is connected to the second constant voltage source module;
the second end of the filtering module is connected with the second constant voltage source module, and the third end of the filtering module is connected with the output pin.
As an implementation manner, the positive input pin is connected to a power module, and the power module is respectively connected to a first constant voltage source module and a second constant voltage source module, specifically:
the power supply module comprises a first triode, a second triode, a diode unit and a first diode, the first constant-voltage source module comprises a first constant-voltage source chip, and the second constant-voltage source module comprises a second constant-voltage source chip;
the positive input pin is connected to the collector end of a first triode, the base of the first triode is connected with the negative electrode of a diode unit, the positive electrode of the diode unit is grounded and connected with the negative input pin, the base of the first triode is connected with the collector of a second triode, the base of the second triode is connected with one end of a first resistor, one end of the first resistor is connected with the emitter of the first triode, the emitter of the second triode is connected with the other end of the first resistor, the other end of the first resistor is connected with the positive electrode of the first diode, the other end of the first resistor is connected with one end of a second resistor, the other end of the second resistor is respectively connected in series with one end of a first capacitor and one end of a third resistor, the first capacitor and the third resistor are mutually connected in parallel, and the other end of the first capacitor and the other end of the third resistor are respectively grounded, the negative electrode of the first diode is connected with one end of a second capacitor, and the other end of the second capacitor is grounded;
the negative electrode of the first diode is connected with the V pin of the first constant voltage source chip, the GND pin of the first constant voltage source chip is grounded, the BIAS pin of the first constant voltage source chip outputs signals to the first constant voltage source pin and is connected with one end of a third capacitor, and the other end of the third capacitor is grounded;
the negative pole of first diode connects the V foot of second constant voltage source chip, the GND foot ground connection of second constant voltage source chip, the BIAS foot of second constant voltage source chip gives second constant voltage source pin output signal and connects the one end of fourth electric capacity, the other end ground connection of fourth electric capacity.
As an implementation manner, the comparison and shaping module includes a shaping unit and a comparing unit, one end of the shaping unit is connected to the comparing unit, and the other end of the shaping unit is connected to the KNX receiving module.
As an implementation manner, a first end of the comparison and shaping module is respectively connected to the KMX receiving module and the first constant voltage source module, and a second end of the comparison and shaping module is connected to a first end of the filtering module, specifically:
the KNX receiving module comprises a third triode and a fourth triode, so that the comparison unit comprises a first operational amplifier, and the filtering module comprises a fifth triode and a fifth capacitor;
the positive input pin is connected with the base electrode of a third triode through a fourth resistor, the collector electrode of the third triode is connected with one end of a first resistor unit, the other end of the first resistor unit is connected with a voltage pin unit, the other end of the first resistor unit is also connected with the collector electrode of a fourth triode, the base electrode of the fourth triode is connected with the emitter electrode of the third triode, and the emitter electrode of the fourth triode is grounded;
the collector of fourth triode is connected respectively to 3 feet of first operational amplifier, and shaping unit is connected to 1 foot of first operational amplifier, and voltage pin unit is connected and first constant voltage source pin is connected to 5 feet of first operational amplifier, and 2 feet ground connection of first operational amplifier, and the one end of fifth electric capacity and the collector of fifth triode are connected respectively to 4 feet of first operational amplifier, the other end of fifth electric capacity is connected the projecting pole and the base of fifth triode, the projecting pole of fifth triode is with signal output to output pin, the base of fifth triode is through fifth resistance ground connection, voltage pin unit is connected to shaping unit one end, and the other end ground connection of shaping unit.
As an implementation, the first resistance unit includes at least two resistances, each of which is connected in series with each other.
As an implementation manner, the input pin is sequentially connected to the transmission driving module, the KNX transmission module and the output pin unit, and specifically includes:
the KNX sending module comprises a sixth triode and a seventh triode;
the input pin is connected with the pin 3 of the third operational amplifier, the voltage pin unit is sequentially connected with the second resistance unit and the third resistance unit and then grounded, the pin 1 of the third operational amplifier is connected between the second resistance unit and the third resistance unit, the pin 2 of the third operational amplifier is grounded, the pin 5 of the third operational amplifier is connected with the voltage pin unit and is connected with the first constant voltage source pin, the pin 4 of the third operational amplifier is connected with the pin 1 of the fourth operational amplifier, an eighth resistor is connected in parallel between the pin 4 of the third operational amplifier and the pin 1 of the fourth operational amplifier and is connected with the voltage pin unit, the pin 3 of the fourth operational amplifier is connected with the pin 4 of the first output pin through a sixth resistor, the pin 4 of the fourth operational amplifier is connected with the base of the seventh triode through a seventh resistor, and the emitter of the seventh triode is connected with the collector of the sixth triode, the emitting electrode of the seventh triode is grounded, the collecting electrode of the seventh triode is connected with the base electrode of the sixth triode, and the collecting electrode of the sixth triode is connected with the second output pin.
As an implementation manner, the second resistance unit comprises at least two resistances, each of which is connected in series with each other, and the third resistance unit comprises at least three resistances, each of which is connected in series with each other.
As an implementation manner, the shaping unit includes a fourth resistance unit, a first parallel resonance unit and a second parallel resonance unit, the fourth resistance unit is respectively connected in series with the first parallel resonance unit and the second parallel resonance unit, and a connection node of the first parallel resonance unit and the second parallel resonance unit is connected with a pin 1 of the first operational amplifier;
the fourth resistance unit comprises two resistors connected in parallel, the first parallel resonance unit comprises an eighth resistor, a ninth resistor and a sixth capacitor, and the ninth resistor and the sixth capacitor are connected in series and then connected in parallel with the eighth resistor; the second parallel resonance unit comprises a fifth resistance unit and a seventh capacitor, and the fifth resistance unit and the seventh capacitor are connected in parallel;
the fifth resistance unit comprises a plurality of resistances which are connected in series with each other.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
the utility model discloses with power module, KNX receiving module, voltage processing module, constant voltage source unit, it is integrated together to send drive module and KNX sending module, this integrated circuit passes through simple external system design, can filter the high-pressure digital signal of bus and receive, and can the recognizable level signal output of plastic microcontroller, signal conversion that in addition also can send microcontroller to becomes carrier signal and carries on and transmit on the DC power supply line, thereby realized the accuracy of digital signal on the DC power supply line, the defeated and interchangeability's of stability performance, a KNX chip has been just integrated in fact in general.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a circuit schematic of a power supply module, a first constant voltage source module, and a second constant voltage source module;
FIG. 3 is a schematic circuit diagram of the KNX receiving module, the comparison and shaping module, and the filtering module;
fig. 4 is a schematic circuit diagram of the transmission drive module and the KNX transmission module.
Reference numbers in the drawings illustrate: 1. a power supply module; 2. a KNX receiving module; 3. a comparison and shaping module; 4. a filtering module; 5. a first constant voltage source module; 6. a second constant voltage source module; 7. a transmission driving module; 8. KNX sends the module.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
The utility model relates to an integrated circuit is a bus digital signal receiving and transmitting integrated circuit with wide working voltage range, high integration and high reliability; the integrated circuit can filter and receive high-voltage digital signals of a bus through simple external system design, can shape the high-voltage digital signals into level signals which can be identified by a microcontroller to be output, and can convert signals sent by the microcontroller into carrier signals to be carried on a direct-current power supply line to be transmitted, so that the accuracy, stability and exchangeability of the digital signals on the direct-current power supply line are realized, and a KNX chip is integrated on the whole.
Example 1:
a bus transceiving integrated circuit based on KNX standard, as shown in figure 1, comprises a pin unit and an integrated unit, wherein the pin unit is connected with an external electronic device and comprises an input pin unit, an output pin unit, a constant voltage source pin unit and a voltage pin unit; the integrated unit comprises a power module 1, a KNX receiving module 2, a voltage processing module, a constant voltage source unit, a sending driving module 7 and a KNX sending module 8, wherein the input pin unit comprises a positive input pin, a negative input pin and an input pin, the output pin unit comprises a first output pin, a second output pin and an output pin, the constant voltage source pin unit comprises a first constant voltage source pin and a second constant voltage source pin, and the constant voltage source unit comprises a first constant voltage source module 5 and a second constant voltage source module 6; the negative input pin is connected with the KNX receiving module 2, the negative input pin is connected with the power module 1, the power module 1 is respectively connected with the first constant voltage source module 5 and the second constant voltage source module 6, the first constant voltage source module 5 and the second constant voltage source module 6 are respectively connected with the voltage pin unit, and the power module 1 is connected with the voltage pin unit; the positive input pin is connected with the power supply module 1, the positive input pin is sequentially connected with the KNX receiving module 2, the voltage processing module and the output pin, and the second constant voltage source module 6 is connected with the voltage processing module; the input pin is connected in proper order and is sent drive module 7, KNX and send module 8 and output pin unit, power module 1 connects send drive module 7, send drive module 7 with power module 1 connects first constant voltage source module 5 respectively.
In more detail, the KNX sending module 8 is connected to the first output pin trot and the second output pin TOUT, respectively.
The voltage processing module comprises a comparison shaping module 3 and a filtering module 4, wherein a first end of the comparison shaping module 3 is respectively connected with the KMX receiving module and the first constant voltage source module 5, a second end of the comparison shaping module is connected with a first end of the filtering module 4, and a third end of the comparison shaping module is connected with the second constant voltage source module 6; the second end of the filtering module 4 is connected to the second constant voltage source module 6, and the third end of the filtering module 4 is connected to the output pin RIN.
As shown in fig. 2, the negative input pin KNX-is connected to the power module 1, and the power module 1 is respectively connected to the first constant voltage source module 5 and the second constant voltage source module 6, specifically:
the power module 1 comprises a first triode, a second triode, a diode unit and a first diode, the first constant voltage source module 5 comprises a first constant voltage source chip, and the second constant voltage source module 6 comprises a second constant voltage source chip BIAS;
the positive input pin KNX + is connected to the collector end of the first triode Q1, the base of the first triode Q1 is connected with the negative electrode of the diode unit, the positive electrode of the diode unit is grounded and connected with the negative input pin KNX-, the diode unit is at least one diode, if the diode unit is one, as shown in figure 2, the diode unit is marked as D2, if the diode unit is multiple, each diode is connected in series, the base of the first triode Q1 is connected with the collector of the second triode Q2, the base of the second triode Q2 is connected with one end of a first resistor, one end of a first resistor R1 is connected with the emitter of the first triode Q1, the emitter of the second triode Q2 is connected with the other end of a first resistor R1, the other end of the first resistor R1 is connected with the positive electrode of a first diode D1, and the other end of the first resistor R1 is connected with one end of a second resistor R2, the other end of the second resistor R2 is respectively connected in series to one end of a first capacitor C1 and one end of a third resistor R3, the first capacitor C1 and the third resistor R3 are connected in parallel, the other end of the first capacitor C1 and the other end of the third resistor R3 are respectively connected to ground, the negative electrode of the first diode D1 is connected to one end of a second capacitor CA1, and the other end of the second capacitor CA1 is connected to ground;
the negative electrode of the first diode D1 is connected with the V pin of a first constant voltage source chip BIAS, the GND pin of the first constant voltage source chip BIAS is grounded, the BIAS pin of the first constant voltage source chip BIAS outputs signals to a first constant voltage source pin BIAS1 and is connected with one end of a third capacitor CA2, and the other end of the third capacitor CA2 is grounded;
the negative pole of first triode D1 connects the V foot of second constant voltage source chip BIAS, the GND foot ground connection of second constant voltage source chip BIAS, the BIAS foot of second constant voltage source chip BIAS gives second constant voltage source pin BIAS2 output signal and connects the one end of fourth electric capacity CA3, the other end ground connection of fourth electric capacity CA 3.
The high-voltage digital signal can be filtered and received through the comparison shaping module 3 and the filtering module 4, and can be shaped into a recognizable level signal to be output.
As shown in fig. 3, the comparing and shaping module 3 includes a shaping unit and a comparing unit, one end of the shaping unit is connected to the comparing unit, and the other end of the shaping unit is connected to the KNX receiving module 2.
More specifically, the shaping unit comprises a fourth resistance unit, a first parallel resonance unit and a second parallel resonance unit, the fourth resistance unit is respectively connected in series with the first parallel resonance unit and the second parallel resonance unit, and a connection node of the first parallel resonance unit and the second parallel resonance unit is connected with a pin 1 of the first operational amplifier;
the fourth resistance unit comprises two resistors connected in parallel, namely resistors R5 and R6, the first parallel resonance unit comprises an eighth resistor R12, a ninth resistor R11 and a sixth capacitor CA4, and the ninth resistor R11 and the sixth capacitor CA4 are connected in series and then connected in parallel with the eighth resistor R12; the second parallel resonant unit comprises a fifth resistance unit and a seventh capacitor CA7, and the fifth resistance unit and the seventh capacitor CA7 are connected in parallel with each other;
the fifth resistance unit comprises a plurality of resistors which are connected in series, and the three resistors in series are provided with the serial resistor numbers of R15, R16 and R17.
More specifically, a first end of the comparison and shaping module 3 is respectively connected to the KMX receiving module and the first constant voltage source module 5, and a second end of the comparison and shaping module is connected to a first end of the filtering module 4, specifically:
the KNX receiving module 2 comprises a third transistor Q3 and a fourth transistor Q4, so that the comparing unit comprises a first operational amplifier U3, and the filtering module 4 comprises a fifth transistor Q5 and a fifth capacitor CA 5;
the positive input pin KNX + is connected with the base electrode of a third triode Q3 through a fourth resistor R13, the collector electrode of the third triode Q3 is connected with one end of a first resistor unit, the other end of the first resistor unit is connected with a voltage pin unit VC, the other end of the first resistor unit is also connected with the collector electrode of a fourth triode Q4, the base electrode of the fourth triode Q4 is connected with the emitter electrode of a third triode Q3, and the emitter electrode of the fourth triode Q4 is grounded;
the 3 feet of the first operational amplifier U3 are respectively connected with the collector of the fourth triode Q4, the 1 foot of the first operational amplifier is connected with the shaping unit, the 5 feet of the first operational amplifier U3 are connected with the voltage pin unit VC and are connected with the first constant voltage source pin BIAS, the 2 feet of the first operational amplifier U3 are grounded, the 4 feet of the first operational amplifier U3 are respectively connected with one end of a fifth capacitor CA5 and the collector of a fifth triode Q5, the other end of the fifth capacitor CA5 is connected with the emitter and the base of the fifth triode Q5, the emitter of the fifth triode Q5 outputs signals to the output pin, the base of the fifth triode Q5 is grounded through a fifth resistor, one end of the shaping unit is connected with the voltage pin unit VC, and the other end of the shaping unit is grounded.
The first resistance unit includes at least two resistances, in this embodiment two resistances, R14 and R18, each of which is connected in series with each other.
Referring to fig. 4, the input pin is sequentially connected to the transmission driving module 7, the KNX transmission module 8, and the output pin unit, specifically:
the transmission driving module 7 comprises a second operational amplifier U4 and a third operational amplifier U5, and the KNX transmission module 8 comprises a sixth triode and a seventh triode;
an input pin TIN is connected with a pin 3 of a third operational amplifier U5, a voltage pin unit VC is sequentially connected with a second resistance unit and a third resistance unit and then grounded, a pin 1 of the third operational amplifier U5 is connected between the second resistance unit and the third resistance unit, a pin 2 of the third operational amplifier U5 is grounded, a pin 5 of the third operational amplifier U5 is connected with the voltage pin unit VC and is connected with a first constant voltage source pin BIAS, a pin 4 of the third operational amplifier U5 is connected with a pin 1 of a fourth operational amplifier U4, an eighth resistor R22 is connected in parallel between a pin 4 of the third operational amplifier U5 and a pin 1 of the fourth operational amplifier U4 and is connected with the voltage pin unit VC, a pin 3 of the fourth operational amplifier U4 is connected with a pin 4 of a first output pin through a sixth resistor R20, a pin 4 of the fourth operational amplifier TRU 4 is connected with a base of a seventh triode Q7 through a seventh resistor R24, an emitter of the seventh triode Q7 is connected to a collector of the sixth triode Q6, an emitter of the seventh triode Q7 is grounded, a collector of the seventh triode Q7 is connected to a base of the sixth triode Q6, and a collector of the sixth triode Q6 is connected to the second output pin TOUT.
In this embodiment, the second resistance unit includes at least two resistors, each of which is connected in series with each other, such as resistors R21 and R23, and the third resistance unit includes at least three resistors, each of which is connected in series with each other, such as resistors R25, R26, and R27.
The utility model discloses with power module 1, KNX receiving module 2, voltage processing module, constant voltage source unit, send drive module 7 and KNX sending module 8 integration together to realized that accuracy, stability of digital signal on the direct current power cord are defeated and the performance of interchangeability, really just integrated a KNX chip.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A bus transceiving integrated circuit based on a KNX standard is characterized by comprising a pin unit and an integrated unit, wherein the pin unit is connected with an external electronic device and comprises an input pin unit, an output pin unit, a constant voltage source pin unit and a voltage pin unit; the integrated unit comprises a power supply module, a KNX receiving module, a voltage processing module, a constant voltage source unit, a sending driving module and a KNX sending module, the input pin unit comprises a positive input pin, a negative input pin and an input pin, the output pin unit comprises a first output pin, a second output pin and an output pin, the constant voltage source pin unit comprises a first constant voltage source pin and a second constant voltage source pin, and the constant voltage source unit comprises a first constant voltage source module and a second constant voltage source module;
the negative input pin is connected with the KNX receiving module, the negative input pin is connected with the power supply module, the power supply module is respectively connected with the first constant voltage source module and the second constant voltage source module, the first constant voltage source module and the second constant voltage source module are respectively connected with the voltage pin unit, and the power supply module is connected with the voltage pin unit;
the positive input pin is connected with the power supply module, the positive input pin is sequentially connected with the KNX receiving module, the voltage processing module and the output pin, and the second constant voltage source module is connected with the voltage processing module;
the input pin is connected with a sending drive module, a KNX sending module and an output pin unit in sequence, the power module is connected with the sending drive module, and the sending drive module and the power module are connected with a first constant voltage source module respectively.
2. The KNX standard-based bus transceiver integrated circuit of claim 1, wherein the KNX transmitting module is connected to the first output pin and the second output pin, respectively.
3. A KNX standard-based bus transceiver integrated circuit according to claim 1, wherein the voltage processing module includes a comparison shaping module and a filter module, a first end of the comparison shaping module is connected to the KMX receiving module and the first constant voltage source module, a second end of the comparison shaping module is connected to the first end of the filter module, and a third end of the comparison shaping module is connected to the second constant voltage source module;
the second end of the filtering module is connected with the second constant voltage source module, and the third end of the filtering module is connected with the output pin.
4. The KNX standard-based bus transceiver integrated circuit according to claim 1, wherein the power supply module includes a first transistor, a second transistor, a diode unit, and a first diode, the first constant voltage source module includes a first constant voltage source chip, and the second constant voltage source module includes a second constant voltage source chip;
the positive input pin is connected to the collector end of a first triode, the base of the first triode is connected with the negative electrode of a diode unit, the positive electrode of the diode unit is grounded and connected with the negative input pin, the base of the first triode is connected with the collector of a second triode, the base of the second triode is connected with one end of a first resistor, one end of the first resistor is connected with the emitter of the first triode, the emitter of the second triode is connected with the other end of the first resistor, the other end of the first resistor is connected with the positive electrode of the first diode, the other end of the first resistor is connected with one end of a second resistor, the other end of the second resistor is respectively connected in series with one end of a first capacitor and one end of a third resistor, the first capacitor and the third resistor are mutually connected in parallel, and the other end of the first capacitor and the other end of the third resistor are respectively grounded, the negative electrode of the first diode is connected with one end of a second capacitor, and the other end of the second capacitor is grounded;
the negative electrode of the first diode is connected with the V pin of the first constant voltage source chip, the GND pin of the first constant voltage source chip is grounded, the BIAS pin of the first constant voltage source chip outputs signals to the first constant voltage source pin and is connected with one end of a third capacitor, and the other end of the third capacitor is grounded;
the negative pole of first diode connects the V foot of second constant voltage source chip, the GND foot ground connection of second constant voltage source chip, the BIAS foot of second constant voltage source chip gives second constant voltage source pin output signal and connects the one end of fourth electric capacity, the other end ground connection of fourth electric capacity.
5. A KNX standard-based bus transceiver integrated circuit according to claim 3, wherein the comparison shaping module comprises a shaping unit and a comparing unit, and one end of the shaping unit is connected to the comparing unit, and the other end of the shaping unit is connected to the KNX receiving module.
6. A KNX standard-based bus transceiver integrated circuit according to claim 5, wherein the KNX receiving module includes a third transistor and a fourth transistor, the comparing unit includes a first operational amplifier, and the filtering module includes a fifth transistor and a fifth capacitor;
the positive input pin is connected with the base electrode of a third triode through a fourth resistor, the collector electrode of the third triode is connected with one end of a first resistor unit, the other end of the first resistor unit is connected with a voltage pin unit, the other end of the first resistor unit is also connected with the collector electrode of a fourth triode, the base electrode of the fourth triode is connected with the emitter electrode of the third triode, and the emitter electrode of the fourth triode is grounded;
the collector of fourth triode is connected respectively to 3 feet of first operational amplifier, and shaping unit is connected to 1 foot of first operational amplifier, and voltage pin unit is connected and first constant voltage source pin is connected to 5 feet of first operational amplifier, and 2 feet ground connection of first operational amplifier, and the one end of fifth electric capacity and the collector of fifth triode are connected respectively to 4 feet of first operational amplifier, the other end of fifth electric capacity is connected the projecting pole and the base of fifth triode, the projecting pole of fifth triode is with signal output to output pin, the base of fifth triode is through fifth resistance ground connection, voltage pin unit is connected to shaping unit one end, and the other end ground connection of shaping unit.
7. A KNX-standard-based bus transceiver integrated circuit according to claim 6, wherein the first resistance unit includes at least two resistors, each resistor being connected in series with each other.
8. A KNX standard-based bus transceiver integrated circuit according to claim 1, wherein the transmit driver module includes a second operational amplifier and a third operational amplifier, and the KNX transmit module includes a sixth transistor and a seventh transistor;
the input pin is connected with the pin 3 of the third operational amplifier, the voltage pin unit is sequentially connected with the second resistance unit and the third resistance unit and then grounded, the pin 1 of the third operational amplifier is connected between the second resistance unit and the third resistance unit, the pin 2 of the third operational amplifier is grounded, the pin 5 of the third operational amplifier is connected with the voltage pin unit and is connected with the first constant voltage source pin, the pin 4 of the third operational amplifier is connected with the pin 1 of the fourth operational amplifier, an eighth resistor is connected in parallel between the pin 4 of the third operational amplifier and the pin 1 of the fourth operational amplifier and is connected with the voltage pin unit, the pin 3 of the fourth operational amplifier is connected with the pin 4 of the first output pin through a sixth resistor, the pin 4 of the fourth operational amplifier is connected with the base of the seventh triode through a seventh resistor, and the emitter of the seventh triode is connected with the collector of the sixth triode, the emitting electrode of the seventh triode is grounded, the collecting electrode of the seventh triode is connected with the base electrode of the sixth triode, and the collecting electrode of the sixth triode is connected with the second output pin.
9. A KNX-standard-based bus transceiver integrated circuit as claimed in claim 8, wherein the second resistor unit comprises at least two resistors, each connected in series with each other, and the third resistor unit comprises at least three resistors, each connected in series with each other.
10. The KNX standard-based bus transceiving integrated circuit according to claim 5, wherein the shaping unit comprises a fourth resistance unit, a first parallel resonance unit and a second parallel resonance unit, the fourth resistance unit is respectively connected in series with the first parallel resonance unit and the second parallel resonance unit, and a connection node of the first parallel resonance unit and the second parallel resonance unit is connected with a pin 1 of the first operational amplifier;
the fourth resistance unit comprises two resistors connected in parallel, the first parallel resonance unit comprises an eighth resistor, a ninth resistor and a sixth capacitor, and the ninth resistor and the sixth capacitor are connected in series and then connected in parallel with the eighth resistor; the second parallel resonance unit comprises a fifth resistance unit and a seventh capacitor, and the fifth resistance unit and the seventh capacitor are connected in parallel;
the fifth resistance unit comprises a plurality of resistances which are connected in series with each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920343276.8U CN210274071U (en) | 2019-03-18 | 2019-03-18 | Bus receiving and transmitting integrated circuit based on KNX standard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920343276.8U CN210274071U (en) | 2019-03-18 | 2019-03-18 | Bus receiving and transmitting integrated circuit based on KNX standard |
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| CN210274071U true CN210274071U (en) | 2020-04-07 |
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| CN109787652A (en) * | 2019-03-18 | 2019-05-21 | 杭州深渡科技有限公司 | Bus transceiver IC based on KNX standard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109787652A (en) * | 2019-03-18 | 2019-05-21 | 杭州深渡科技有限公司 | Bus transceiver IC based on KNX standard |
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