CN212159893U - Current coding circuit - Google Patents
Current coding circuit Download PDFInfo
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- CN212159893U CN212159893U CN201922046229.XU CN201922046229U CN212159893U CN 212159893 U CN212159893 U CN 212159893U CN 201922046229 U CN201922046229 U CN 201922046229U CN 212159893 U CN212159893 U CN 212159893U
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Abstract
The utility model discloses a current coding circuit for realize ammeter and wireless circuit breaker's automatic pairing connection, including first chip U1, wireless module BT1, first unit CN1, second unit CN2 and third unit CN3, the one end electric connection of 6 pins and resistance R3 of first chip U1, resistance R3 is kept away from first chip U1's one end and resistance R2's one end electric connection, it has electric capacity C1 and resistance R1 to connect between resistance R2 and the AC1, AC end AC1 with first unit CN1 electric connection. The utility model discloses a current coding circuit, it can be used for realizing that ammeter and wireless circuit breaker's automation pairs and is connected.
Description
Technical Field
The utility model belongs to the technical field of the current coding, concretely relates to current coding circuit.
Background
The current fingerprint is applied as a branch of the power radar, and the principle of the current fingerprint is that the transmission of power and the information transmission are simultaneously carried out through structural current waveform coding, and the current fingerprint can also be a power coding technology. The power radar can realize various potential faults existing in a power system and distortion of power and signal links by using a structural waveform technology and a signal synchronization technology, so that the faults and various loads can be analyzed.
In the current wireless technical research of the external breaker of the wireless intelligent electric energy meter, a very important and urgent problem to be solved is how to realize the automatic pairing connection between the electric meter and the wireless breaker and the automatic reporting function of the asset information, because the wireless circuit breaker and the Bluetooth electric meter which are developed based on the Bluetooth technology at present need to respectively scan and pair the electric meter and the circuit breaker through a palm machine, in an electric meter installation site, the installation is generally carried out in a non-electric environment, code scanning pairing needs to be powered on, a site operator needs to use a palm machine to respectively scan and pair each pairing switch and the electric meter, for the electric energy meter box with multiple meter positions, when multiple electric meters and circuit breakers exist, wrong scanning or wrong configuration is very easy, long time is needed for completing the whole pairing process, and the later asset management also needs personnel to scan codes on site for recording.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a current coding circuit, it can be used for realizing ammeter and wireless circuit breaker's automatic pairing connection.
In order to achieve the above object, the utility model provides a current coding circuit for realize ammeter and wireless circuit breaker's automatic pairing connection, including first chip U1, wireless module BT1, first unit CN1, second unit CN2 and third unit CN3, wherein:
the 6 th pin of the first chip U1 is electrically connected to one end of a resistor R3, one end of the resistor R3, which is far away from the first chip U1, is electrically connected to one end of a resistor R2, a capacitor C1 and a resistor R1 are connected in parallel between the resistor R2 and an alternating current terminal AC1, and the alternating current terminal AC1 is electrically connected to the first unit CN 1;
the 1 pin of the first chip U1 is connected with a power supply through a resistor R4, the 2 pin of the first chip U1 is electrically connected with a dynamic voltage restorer DVR through a resistor R6, and the dynamic voltage restorer DVR is electrically connected with the 10 pin of the wireless module BT 1.
As a further preferable technical solution of the above technical solution, the 4 th pin of the first chip U1 is electrically connected to the G pin of a triac SC1, the common terminal of the resistor R3 and the resistor R2 is electrically connected to the T2 pin of the triac SC1, the 4 th pin of the first chip U1 is also electrically connected to the T1 pin of the triac SC1 through a resistor R7, and one end of the resistor R7, which is far away from the first chip U1, is electrically connected to an AC terminal AC 2.
As a further preferable technical solution of the above technical solution, the common terminal of the resistor R3 and the resistor R2 is further electrically connected to the AC terminal AC2 through a resistor R51 and a capacitor C21 in sequence, and the AC terminal AC2 is electrically connected to the third unit CN 3.
As a further preferable technical solution of the above technical solution, a common terminal of the 6 th pin of the first chip U1 and the resistor R3 is electrically connected to the 4 th pin of the first chip U1 sequentially through a resistor R52 and a capacitor C22, one end of the capacitor C22, which is far away from the resistor R52, is electrically connected to an AC terminal AC2, and the AC terminal AC2 is electrically connected to the third unit CN 3.
As a more preferable configuration of the above configuration, the 14 pin of the wireless module BT1 is electrically connected to the 5 pin of the second cell CN2, the 12 pin of the wireless module BT1 is electrically connected to the 4 pin of the second cell CN2, and the 11 pin of the wireless module BT1 is electrically connected to the 3 pin of the second cell CN 2.
As a further preferable embodiment of the above technical solution, the 6 pin of the wireless module BT1 is electrically connected to the 1 pin of the second unit CN2, and the 7 pin of the wireless module BT1 is grounded to the 2 pin of the second unit CN 2.
As a more preferable configuration of the above configuration, the 14 pin of the wireless module BT1 is electrically connected to the 5 pin of the second cell CN2, the 12 pin of the wireless module BT1 is electrically connected to the 4 pin of the second cell CN2, and the 11 pin of the wireless module BT1 is electrically connected to the 3 pin of the second cell CN 2.
As a further preferable embodiment of the above technical solution, the 6 pin of the wireless module BT1 is electrically connected to the 1 pin of the second unit CN2, and the 7 pin of the wireless module BT1 is grounded to the 2 pin of the second unit CN 2.
As a more preferable embodiment of the above-mentioned technical solution, pin 1 and pin 2 of the first cell CN1 are electrically connected.
As a more preferable mode of the above mode, pin 1 and pin 2 of the third cell CN3 are electrically connected.
Drawings
Fig. 1 is a current encoder circuit according to a second embodiment of the present invention.
Fig. 2 is a current encoding circuit of a preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a current coding circuit, below combine preferred embodiment, further describe utility model's concrete embodiment.
Referring to fig. 1 of the drawings, fig. 1 is a current encoder circuit according to a second embodiment of the present invention, and fig. 2 is a current encoder circuit according to a preferred embodiment of the present invention.
In the embodiments of the present invention, those skilled in the art will note that the resistors, capacitors, and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a current coding circuit for realize ammeter and wireless circuit breaker's automatic pairing connection, including first chip U1, wireless module BT1, first unit CN1, second unit CN2 and third unit CN3, wherein:
the 6 th pin of the first chip U1 is electrically connected to one end of a resistor R3, one end of the resistor R3, which is far away from the first chip U1, is electrically connected to one end of a resistor R2, a capacitor C1 and a resistor R1 are connected in parallel between the resistor R2 and an alternating current terminal AC1, and the alternating current terminal AC1 is electrically connected to the first unit CN 1;
the 1 pin of the first chip U1 is connected with a power supply through a resistor R4, the 2 pin of the first chip U1 is electrically connected with a dynamic voltage restorer DVR through a resistor R6, and the dynamic voltage restorer DVR is electrically connected with the 10 pin of the wireless module BT 1.
Specifically, the 4 th pin of the first chip U1 is electrically connected to the G pin of the triac SC1, the common end of the resistor R3 and the resistor R2 is electrically connected to the T2 pin of the triac SC1, the 4 th pin of the first chip U1 is also electrically connected to the T1 pin of the triac SC1 through a resistor R7, and the end of the resistor R7 away from the first chip U1 is electrically connected to the AC terminal AC 2.
More specifically, the common terminal of the resistor R3 and the resistor R2 is further electrically connected to the AC terminal AC2 through the resistor R51 and the capacitor C21 in sequence, and the AC terminal AC2 is electrically connected to the third unit CN 3.
Further, the 14 pin of the wireless module BT1 is electrically connected to the 5 pin of the second unit CN2, the 12 pin of the wireless module BT1 is electrically connected to the 4 pin of the second unit CN2, and the 11 pin of the wireless module BT1 is electrically connected to the 3 pin of the second unit CN 2.
Preferably, the 6 pin of the wireless module BT1 is electrically connected to the 1 pin of the second unit CN2, and the 7 pin of the wireless module BT1 is grounded to the 2 pin of the second unit CN 2.
Preferably, pin 1 and pin 2 of the first unit CN1 are electrically connected.
Preferably, pin 1 and pin 2 of the third unit CN3 are electrically connected.
A second embodiment.
The utility model discloses a current coding circuit for realize ammeter and wireless circuit breaker's automatic pairing connection, including first chip U1, wireless module BT1, first unit CN1, second unit CN2 and third unit CN3, wherein:
the 6 th pin of the first chip U1 is electrically connected to one end of a resistor R3, one end of the resistor R3, which is far away from the first chip U1, is electrically connected to one end of a resistor R2, a capacitor C1 and a resistor R1 are connected in parallel between the resistor R2 and an alternating current terminal AC1, and the alternating current terminal AC1 is electrically connected to the first unit CN 1;
the 1 pin of the first chip U1 is connected with a power supply through a resistor R4, the 2 pin of the first chip U1 is electrically connected with a dynamic voltage restorer DVR through a resistor R6, and the dynamic voltage restorer DVR is electrically connected with the 10 pin of the wireless module BT 1.
Specifically, the common terminal of the 6 th pin of the first chip U1 and the resistor R3 is electrically connected to the 4 th pin of the first chip U1 sequentially through the resistor R52 and the capacitor C22, one end of the capacitor C22, which is far away from the resistor R52, is electrically connected to the AC terminal AC2, and the AC terminal AC2 is electrically connected to the third unit CN 3.
Further, the 14 pin of the wireless module BT1 is electrically connected to the 5 pin of the second unit CN2, the 12 pin of the wireless module BT1 is electrically connected to the 4 pin of the second unit CN2, and the 11 pin of the wireless module BT1 is electrically connected to the 3 pin of the second unit CN 2.
Preferably, the 6 pin of the wireless module BT1 is electrically connected to the 1 pin of the second unit CN2, and the 7 pin of the wireless module BT1 is grounded to the 2 pin of the second unit CN 2.
Preferably, pin 1 and pin 2 of the first unit CN1 are electrically connected.
Preferably, pin 1 and pin 2 of the third unit CN3 are electrically connected.
Preferably, the model of the first chip U1 is MOC3083M, and the model of the wireless module BT1 is MW 2205.
It is worth mentioning that the technical features such as the resistor and the capacitor related to the present invention should be regarded as the prior art, and the specific structure, the operation principle of these technical features and the control mode and the space arrangement mode that may be related to adopt the conventional selection in the field, and should not be regarded as the invention point of the present invention, and the present invention does not further specifically expand the detailed description.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A current coding circuit for realizing automatic pairing connection of an electricity meter and a wireless circuit breaker is characterized by comprising a first chip U1, a wireless module BT1, a first unit CN1, a second unit CN2 and a third unit CN3, wherein:
the 6 th pin of the first chip U1 is electrically connected to one end of a resistor R3, one end of the resistor R3, which is far away from the first chip U1, is electrically connected to one end of a resistor R2, a capacitor C1 and a resistor R1 are connected in parallel between the resistor R2 and an alternating current terminal AC1, and the alternating current terminal AC1 is electrically connected to the first unit CN 1;
the 1 pin of the first chip U1 is connected with a power supply through a resistor R4, the 2 pin of the first chip U1 is electrically connected with a dynamic voltage restorer DVR through a resistor R6, and the dynamic voltage restorer DVR is electrically connected with the 10 pin of the wireless module BT 1.
2. The current coding circuit according to claim 1, wherein the 4 th pin of the first chip U1 is electrically connected to the G pin of a triac SC1, the common terminal of the resistor R3 and the resistor R2 is electrically connected to the T2 th pin of the triac SC1, the 4 th pin of the first chip U1 is also electrically connected to the T1 th pin of the triac SC1 through a resistor R7, and the end of the resistor R7 away from the first chip U1 is electrically connected to an AC terminal AC 2.
3. The current coding circuit according to claim 2, wherein the common terminal of the resistor R3 and the resistor R2 is further electrically connected to the AC terminal AC2 sequentially through a resistor R51 and a capacitor C21, and the AC terminal AC2 is electrically connected to the third unit CN 3.
4. The current coding circuit according to claim 1, wherein a common terminal of the 6 th pin of the first chip U1 and the resistor R3 is electrically connected to the 4 th pin of the first chip U1 sequentially through a resistor R52 and a capacitor C22, one end of the capacitor C22 away from the resistor R52 is electrically connected to an AC terminal AC2, and the AC terminal AC2 is electrically connected to the third unit CN 3.
5. A current coding circuit according to claim 2 or 3, wherein the 14 pins of the wireless module BT1 are electrically connected to the 5 pins of the second cell CN2, the 12 pins of the wireless module BT1 are electrically connected to the 4 pins of the second cell CN2, and the 11 pins of the wireless module BT1 are electrically connected to the 3 pins of the second cell CN 2.
6. The current coding circuit according to claim 2 or 3, wherein the 6 pins of the wireless module BT1 are electrically connected to the 1 pin of the second cell CN2, and the 7 pins of the wireless module BT1 are grounded to the 2 pin of the second cell CN 2.
7. The current coding circuit according to claim 4, wherein the 14 pins of the wireless module BT1 are electrically connected to the 5 pins of the second cell CN2, the 12 pins of the wireless module BT1 are electrically connected to the 4 pins of the second cell CN2, and the 11 pins of the wireless module BT1 are electrically connected to the 3 pins of the second cell CN 2.
8. The current coding circuit of claim 4, wherein pin 6 of the wireless module BT1 is electrically connected to pin 1 of the second cell CN2, and pin 7 of the wireless module BT1 is connected to pin 2 of the second cell CN 2.
9. The current coding circuit of claim 1, wherein pin 1 and pin 2 of said first unit CN1 are electrically connected.
10. The current coding circuit according to claim 1, wherein the 1 pin and the 2 pin of the third unit CN3 are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046229.XU CN212159893U (en) | 2019-11-22 | 2019-11-22 | Current coding circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046229.XU CN212159893U (en) | 2019-11-22 | 2019-11-22 | Current coding circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212159893U true CN212159893U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922046229.XU Active CN212159893U (en) | 2019-11-22 | 2019-11-22 | Current coding circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212159893U (en) |
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2019
- 2019-11-22 CN CN201922046229.XU patent/CN212159893U/en active Active
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