CN218569908U - Power supply and addressing circuit and electronic equipment - Google Patents
Power supply and addressing circuit and electronic equipment Download PDFInfo
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- CN218569908U CN218569908U CN202222689755.XU CN202222689755U CN218569908U CN 218569908 U CN218569908 U CN 218569908U CN 202222689755 U CN202222689755 U CN 202222689755U CN 218569908 U CN218569908 U CN 218569908U
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Abstract
The utility model discloses a power supply and addressing circuit and electronic equipment. The method comprises the following steps: the addressing device comprises a first addressing unit, a second addressing unit, a rectifying unit and at least two power supply lines; at least one power supply line is connected to the positive end of a power supply; the output end of the power supply line is connected with the rectifying unit; the output end of the rectifying unit is connected with a load; said first addressing unit being connected to one of said mains supply lines; said second addressing unit being connected to another of said mains supply lines; the first addressing unit and the second addressing unit are used for outputting address signals according to the connected power supply lines. The utility model provides a power supply and addressing circuit and electronic equipment reduces the address line and uses, and simple structure saves the hardware cost.
Description
Technical Field
The embodiment of the utility model provides a relate to addressing technical field, especially relate to a power supply and addressing circuit and electronic equipment.
Background
In the system control, for convenience of control, the devices or electronic devices are generally managed by addressing so that each address corresponds to one device or electronic device. For example, in multi-node communication such as CAN/LIN/485, each node has a corresponding address, and each address corresponds to a product.
In the prior art, the node address is determined by software addressing, the node address is set for the product on site according to the communication node address used by the product, corresponding hardware and software are required to be configured on site to set the node of the product, and the use difficulty and the use cost are improved. And the node address is determined through the fixed address, and the fixed address corresponds to the product, so that the total amount of the address is more, and the production, management and inventory costs are improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power supply and addressing circuit and electronic equipment reduces the address line and uses, and simple structure saves the hardware cost.
In a first aspect, an embodiment of the present invention provides a power supply and addressing circuit, including: a first addressing unit, a second addressing unit, a rectifying unit and at least two mains supply lines; at least one power supply line is connected to the positive end of a power supply;
the output end of the power supply line is connected with the rectifying unit; the output end of the rectifying unit is connected with a load;
said first addressing unit being connected to one of said mains supply lines; said second addressing unit being connected to another of said mains supply lines; the first addressing unit and the second addressing unit are configured to output address signals in dependence on the power supply line being connected.
Optionally, the first addressing unit includes a first voltage-dividing resistor, a second voltage-dividing resistor, and a first current-limiting resistor;
the first end of the first voltage-dividing resistor is connected with the output end of a power supply line; the second end of the first voltage-dividing resistor is connected with the first end of the second voltage-dividing resistor; a second end of the second voltage-dividing resistor is grounded; the first end of the second voltage-dividing resistor is connected with the first end of the first current-limiting resistor; and the second end of the first current limiting resistor outputs the address signal.
Optionally, the power supply and addressing circuit further includes a first capacitor, and the first capacitor is connected in parallel with the second voltage-dividing resistor.
Optionally, the second addressing unit includes a third voltage dividing resistor, a fourth voltage dividing resistor, and a second current limiting resistor;
a first end of the third voltage dividing resistor is connected with an output end of another power supply line; the second end of the third voltage dividing resistor is connected with the first end of the fourth voltage dividing resistor; a second end of the third voltage-dividing resistor is grounded; the first end of the fourth voltage-dividing resistor is connected with the first end of the second current-limiting resistor; and the second end of the second current limiting resistor outputs the address signal.
Optionally, the power supply and addressing circuit further includes a second capacitor, and the second capacitor is connected in parallel with the fourth voltage dividing resistor.
Optionally, the rectifying unit includes: a first diode and a second diode;
the positive pole of the first diode is connected with the output end of the power supply line, the positive pole of the second diode is connected with the output end of the power supply line, and the negative pole of the first diode and the negative pole of the second diode are connected and then connected with the load.
Optionally, the power supply and addressing circuit further includes: at least one filtering unit;
the filtering unit is connected between the output end of the rectifying unit and the load; the filtering unit is used for filtering the output of the power supply line.
Optionally, the filtering unit includes
A third current limiting resistor, a third capacitor and a fourth capacitor;
the first end of the third current limiting resistor is respectively connected with the first pole of the third capacitor and the output end of the rectifying unit, and the second pole of the third capacitor is grounded;
the second end of the third current limiting resistor is connected with the first pole of the fourth capacitor, and the second pole of the fourth capacitor is grounded; and the second end of the third current limiting resistor is connected with the load.
Optionally, the power supply and addressing circuit further includes: the first addressing unit and the second addressing unit are connected with the analog-to-digital conversion unit; the analog-to-digital conversion unit is used for converting the address signal into a digital signal.
In a second aspect, an embodiment of the present invention provides an electronic device, including the embodiment of the present invention provides an arbitrary power supply and addressing circuit.
The embodiment of the utility model provides a through multiplexing address line for with the mains operated line, the unit is addressed to first establishment unit and second defines according to the power supply state rather than the mains operated line who is connected respectively and addresses, output address signal. Thereby can guarantee under the normal power supply's of circuit the condition, address the node, compare in prior art and reduce the structure influence to hardware circuit, reduce the use of address line, practiced thrift the circuit transformation cost, utilize the address line to address, it is little to use the degree of difficulty, to the plug-and-play of same model product.
Drawings
Fig. 1 is a schematic diagram of a power supply and addressing circuit according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of another power supply and addressing circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
Fig. 1 is a schematic structural diagram of a power supply and addressing circuit according to an embodiment of the present invention, referring to fig. 1, including: a first addressing unit 110, a second addressing unit 120, a rectifying unit 130 and at least two mains supply lines 150; wherein, at least one power supply line 150 is connected to the positive end of the power supply;
the output end of the power supply line 150 is connected to the rectifying unit 130; the output end of the rectifying unit 130 is connected with a load 140;
the first addressing unit 110 is connected to a mains supply line 150; the second addressing unit 120 is connected to another mains supply line 150; the first addressing unit 110 and the second addressing unit 120 are arranged to output address signals in dependence of the connected mains supply line 150.
Specifically, the embodiment of the utility model provides an address through the address line principle, with the multiplexing address line that is of mains operated line 150, mains operated line 150 includes three kinds of power supply states, specifically includes positive power state, ground state and unsettled state. For example, when the voltage of the working power supply is 12V, the positive power supply state is 12V, the ground state is 0V, and the floating state is 6V. Illustratively, the embodiment of the present invention selects two power supply lines 150 for use, and the output power signal of the power supply line 150 is connected to the input of the load 140 after being rectified to provide power output for the load 140. The supply lines 150 are also multiplexed as address lines, wherein at least one supply line 150 is in a positive supply state, and the first programming unit performs the defined addressing according to the supply state of the supply line 150 connected thereto and outputs an address signal. The second programming unit performs defined addressing in accordance with the power supply state of the mains power supply line 150 connected thereto, and outputs an address signal. The address information is defined by the address signals output by the first and second organization units. For example, the positive power state identifier is High, the ground state identifier is Low, and the floating state identifier is NG, and according to the power supply state of the power supply line 150, the combination of the address information that can be output by the first organization unit and the second organization unit includes: 1) High, low; 2) High, NG, 3) Low, high, 4) NG, high, 5) High, high. It should be noted that the embodiment of the present invention multiplexes into an address line through two power supply lines 150 to address. When the address number expansion is needed, the address lines can be multiplexed by the adaptive expansion address lines and/or the power supply line 150 to realize the address number expansion.
The embodiment of the utility model provides a through multiplexing address line for with the mains operated line, the unit is addressed to first establishment unit and second defines according to the power supply state rather than the mains operated line who is connected respectively and addresses, output address signal. Thereby can guarantee under the normal power supply's of circuit the condition, address the node, compare in prior art and reduce the structure influence to hardware circuit, reduce the use of address line, practiced thrift the circuit transformation cost, utilize the address line to address, it is little to use the degree of difficulty, to the plug-and-play of same model product.
Fig. 2 is a schematic diagram of a power supply and addressing circuit according to an embodiment of the present invention, referring to fig. 2, the first addressing unit 110 includes a first voltage dividing resistor R1, a second voltage dividing resistor R2, and a first current limiting resistor E1;
a first end of the first divider resistor R1 is connected to an output end of a power supply line 150; the second end of the first divider resistor R1 is connected with the first end of the second divider resistor R2; the second end of the second voltage-dividing resistor R2 is grounded; the first end of the second voltage-dividing resistor R2 is connected with the first end of the first current-limiting resistor E1; the second end of the first current limiting resistor E1 outputs an address signal.
Specifically, according to the power supply state of the power supply line 150, the first addressing unit 110 receives different power supply signals, and the first addressing unit 110 outputs a first division voltage Vio0 by dividing the power supply signals through the first division resistor R1 and the second division resistor R2. And voltage definition is carried out on the power supply signal through the first divided voltage Vio0, so that the corresponding address signal is output. Illustratively, the power supply state of the mains supply line 150 to which the first addressing unit 110 is connected is a positive power state High, and the first addressing unit 110 outputs a first voltage division Vio0 depending on the resistance values adapted to the first voltage division resistance R1 and the second voltage division resistance R2. Similarly, the power supply state is the ground state Low, and the first addressing unit 110 outputs the second first voltage division Vio0 according to the adaptive resistance of the first voltage division resistor R1 and the second voltage division resistor R2. The power supply state is a floating state NG, and the first addressing unit 110 outputs a third first voltage division Vio0 according to the adaptive resistance values of the first voltage division resistor R1 and the second voltage division resistor R2. The first current limiting resistor E1 is used for current limiting protection of the output of the second voltage dividing resistor R2.
Optionally, the power supply and addressing circuit further includes a first capacitor C1, and the first capacitor C1 is connected in parallel with the second voltage-dividing resistor R2. Specifically, the second voltage-dividing resistor R2 is connected in parallel with the first capacitor C1 to obtain a flat spectrum characteristic, thereby achieving a uniform voltage distribution. In a certain frequency range, the attenuation proportion of the AC/DC signals obtained by sampling is consistent.
Optionally, the second addressing unit 120 includes a third voltage dividing resistor R3, a fourth voltage dividing resistor R4, and a second current limiting resistor E2;
a first end of the third voltage dividing resistor R3 is connected to an output end of another power supply line 150; the second end of the third voltage dividing resistor R3 is connected with the first end of the fourth voltage dividing resistor R4; the second end of the third voltage-dividing resistor R3 is grounded; the first end of the fourth voltage-dividing resistor R4 is connected with the first end of the second current-limiting resistor E2; the second end of the second current limiting resistor E2 outputs an address signal.
Specifically, according to the power supply state of the power supply line 150, the second addressing unit 120 receives different power signals, and divides the power signals by using the third voltage dividing resistor R3 and the fourth voltage dividing resistor R4, so that the second addressing unit 120 outputs the second divided voltage Vio1. And voltage definition is carried out on the power supply signal through the second divided voltage Vio1, so that the corresponding address signal is output. Illustratively, the supply state of the mains supply line 150 to which the second addressing unit 120 is connected is a positive supply state High, and the second addressing unit 120 outputs a first second division voltage Vio1 depending on the resistance values adapted to the third and fourth division resistors R3 and R4. Similarly, the power supply state is a ground state Low, and the second addressing unit 120 outputs the second voltage division voltage Vio1 according to the adaptive resistance values of the third voltage division resistor R3 and the fourth voltage division resistor R4. The power supply state is a floating state NG, and the second addressing unit 120 outputs a third second voltage division voltage Vio1 according to the adaptive resistance values of the third voltage division resistor R3 and the fourth voltage division resistor R4. The second current limiting resistor E2 is used for current limiting protection of the output of the fourth voltage dividing resistor R4. Optionally, the power supply and addressing circuit further includes a second capacitor, and the second capacitor is connected in parallel with the fourth voltage dividing resistor R4. Specifically, the second capacitor is connected in parallel to the fourth voltage dividing resistor R4, so that a flat spectrum characteristic can be obtained, and a uniform voltage distribution effect can be achieved. In a certain frequency range, the attenuation proportion of the AC/DC signals obtained by sampling is consistent.
Optionally, the rectifying unit 130 includes: a first diode D1 and a second diode D2;
the anode of the first diode D1 is connected to an output terminal of one of the power supply lines 150, the anode of the second diode D2 is connected to an output terminal of the other one of the power supply lines 150, and the cathodes of the first and second diodes D1 and D2 are connected to the load 140.
Specifically, after the power output of the power supply line 150 is rectified by the first diode D1 and the second diode D2, the obtained stable current output is used as the positive end of the power supply to supply power to the subsequent load 140 circuit, so that the original power supply function is retained, and the address line is multiplexed to be addressed.
Optionally, the power supply and addressing circuit further comprises: at least one filtering unit 210;
the filtering unit 210 is connected between the output end of the rectifying unit 130 and the load 140; the filtering unit 210 is used to filter the output of the mains supply line 150.
Optionally, the filtering unit 210 includes a third current limiting resistor E3, a third capacitor C3, and a fourth capacitor C4;
the first end of the third current limiting resistor E3 is connected to the first pole of the third capacitor C3 and the output end of the rectifying unit 130, respectively, and the second pole of the third capacitor C3 is grounded;
the second end of the third current limiting resistor E3 is connected with the first pole of a fourth capacitor C4, and the second pole of the fourth capacitor is grounded; a second terminal of the third current limiting resistor E3 is connected to the load 140.
Specifically, the third current-limiting resistor E3 is connected to the output end of the power supply line 150 to protect the rear-end load 140 by current-limiting output, and the third capacitor C3 and the fourth capacitor C4 are used for stabilizing voltage and filtering out noise waves.
Optionally, the power supply and addressing circuit further comprises: an analog-to-digital conversion unit 220, to which the first addressing unit 110 and the second addressing unit 120 are connected; the analog-to-digital conversion unit 220 is used to convert the address signal into a digital signal.
Specifically, the first addressing unit 110 and the second addressing unit 120 output power signals to be input to the analog-to-digital conversion unit 220, and the analog-to-digital conversion unit 220 defines high and low levels according to the power signals, thereby implementing address addressing definition of digital levels.
Based on the above embodiment, the working principle of the power supply and addressing circuit is as follows: for example, when the voltage of the working power supply is 12V, the positive power supply state is 12V, the ground state is 0V, and the floating state is 6V. The positive power state is identified as High, the ground state is identified as Low, and the floating state is identified as NG. The output of the power supply line 150 to which the first addressing unit 110 is connected is a first supply voltage Vin1 and the output of the power supply line 150 to which the second addressing unit 120 is connected is a second supply voltage Vin2.
When the first supply voltage Vin1 is High and the second supply voltage Vin2 is Low, the first divided voltage Vio0= Vin1 × R2/(R1 + R2), for example, the first divided voltage Vio0 is 1.7V, the second divided voltage Vio1= Vin2 × R4/(R3 + R4), for example, the second divided voltage Vio1 is 0V, and the address information may be defined as 1,0 through the analog-to-digital conversion unit 220.
When the first supply voltage Vin1 is High and the second supply voltage Vin2 is NG, the first divided voltage Vio0= Vin1 × R2/(R1 + R2), for example, the first divided voltage Vio0 is 1.7V, the second divided voltage Vio1= Vin2 × R4/(R3 + R4), for example, the second divided voltage Vio1 is 0.87V, and the address information may be defined as 1 through the analog-to-digital conversion unit 220.
When the first supply voltage Vin1 is Low and the second supply voltage Vin2 is High, the first divided voltage Vio0= Vin1 × R2/(R1 + R2), for example, the first divided voltage Vio0 is 0V, the second divided voltage Vio1= Vin2 × R4/(R3 + R4), for example, the second divided voltage Vio1 is 1.7V, and the address information of 0,1 may be defined by the analog-to-digital conversion unit 220.
When the first supply voltage Vin1 is NG and the second supply voltage Vin2 is High, the first divided voltage Vio0= Vin1 × R2/(R1 + R2), for example, the first divided voltage Vio0 is 0.87V, the second divided voltage Vio1= Vin2 × R4/(R3 + R4), for example, the second divided voltage Vio1 is 1.7V, and may be defined as floating address information of 1 through the analog-to-digital conversion unit 220.
When the first supply voltage Vin1 is High and the second supply voltage Vin2 is High, the first divided voltage Vio0= Vin1 × R2/(R1 + R2), for example, the first divided voltage Vio0 is 1.7V, the second divided voltage Vio1= Vin2 × R4/(R3 + R4), for example, the second divided voltage Vio1 is 1.7V, and the address information of 1,1 may be defined by the analog-to-digital conversion unit 220.
There are three kinds of magnitude of voltage in the magnitude of voltage that first partial pressure Vio0 and second partial pressure Vio1 correspond, utilize analog-to-digital conversion unit 220 to carry out the level definition respectively, utilize the power cord, remain original power supply function, can realize the address coding of five nodes simultaneously, compare in prior art, realize five node address line codes, need three address lines usually, and the embodiment of the utility model provides a can adapt to and reduce the address line setting, reduce the change to the original structure of hardware circuit, practice thrift the hardware cost simultaneously.
Optionally, the embodiment of the utility model provides an electronic equipment, include the utility model provides an arbitrary power supply and addressing circuit.
Specifically, the electronic device is composed of electronic components such as an integrated circuit, a transistor, an electron tube, and the like, and includes an electronic computer, a robot controlled by the electronic computer, a numerical control or program control system, and the like. This kind of electronic equipment adopts the utility model provides an arbitrary power supply and addressing circuit utilize the multiplexing address line of power supply line, reduce the address line and use, use simply, practice thrift the hardware cost.
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; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A power supply and addressing circuit, comprising: the addressing device comprises a first addressing unit, a second addressing unit, a rectifying unit and at least two power supply lines; at least one power supply line is connected to the positive end of a power supply;
the output end of the power supply line is connected with the rectifying unit; the output end of the rectifying unit is connected with a load;
said first addressing unit being connected to one of said mains supply lines; said second addressing unit being connected to another of said mains supply lines; the first addressing unit and the second addressing unit are used for outputting address signals according to the connected power supply lines.
2. The power and addressing circuit of claim 1, wherein: the first addressing unit comprises a first voltage division resistor, a second voltage division resistor and a first current limiting resistor;
the first end of the first voltage-dividing resistor is connected with the output end of a power supply line; the second end of the first voltage-dividing resistor is connected with the first end of the second voltage-dividing resistor; the second end of the second voltage-dividing resistor is grounded; the first end of the second voltage-dividing resistor is connected with the first end of the first current-limiting resistor; and the second end of the first current limiting resistor outputs the address signal.
3. The power and addressing circuit of claim 2, wherein: the first capacitor is connected with the second voltage-dividing resistor in parallel.
4. The power and addressing circuit of claim 1, wherein: the second addressing unit comprises a third voltage dividing resistor, a fourth voltage dividing resistor and a second current limiting resistor;
a first end of the third voltage dividing resistor is connected with an output end of another power supply line; the second end of the third voltage dividing resistor is connected with the first end of the fourth voltage dividing resistor; a second end of the third voltage-dividing resistor is grounded; the first end of the fourth voltage-dividing resistor is connected with the first end of the second current-limiting resistor; and the second end of the second current limiting resistor outputs the address signal.
5. The power and addressing circuit of claim 4, wherein: the second capacitor is connected with the fourth voltage-dividing resistor in parallel.
6. The power supply and addressing circuit of claim 1, wherein the rectifying unit comprises: a first diode and a second diode;
the positive pole of first diode with one the output of mains operated line is connected, the positive pole of second diode with another the output of mains operated line is connected, first diode with the negative pole of second diode is connected the back with the load is connected.
7. The power supply and addressing circuit of claim 1, further comprising: at least one filtering unit;
the filtering unit is connected between the output end of the rectifying unit and the load; the filtering unit is used for filtering the output of the power supply line.
8. The power supply and addressing circuit of claim 7, wherein the filtering unit comprises
A third current limiting resistor, a third capacitor and a fourth capacitor;
the first end of the third current-limiting resistor is respectively connected with the first pole of the third capacitor and the output end of the rectifying unit, and the second pole of the third capacitor is grounded;
the second end of the third current limiting resistor is connected with the first pole of the fourth capacitor, and the second pole of the fourth capacitor is grounded; and the second end of the third current limiting resistor is connected with the load.
9. The power supply and addressing circuit of claim 1, further comprising: the first addressing unit and the second addressing unit are connected with the analog-to-digital conversion unit; the analog-to-digital conversion unit is used for converting the address signal into a digital signal.
10. An electronic device comprising a power supply and addressing circuit as claimed in any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689755.XU CN218569908U (en) | 2022-10-12 | 2022-10-12 | Power supply and addressing circuit and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222689755.XU CN218569908U (en) | 2022-10-12 | 2022-10-12 | Power supply and addressing circuit and electronic equipment |
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| Publication Number | Publication Date |
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| CN218569908U true CN218569908U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222689755.XU Active CN218569908U (en) | 2022-10-12 | 2022-10-12 | Power supply and addressing circuit and electronic equipment |
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| CN (1) | CN218569908U (en) |
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- 2022-10-12 CN CN202222689755.XU patent/CN218569908U/en active Active
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