CN218782394U - Circuit for identifying connection wire access and electronic equipment - Google Patents
Circuit for identifying connection wire access and electronic equipment Download PDFInfo
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- CN218782394U CN218782394U CN202220826580.XU CN202220826580U CN218782394U CN 218782394 U CN218782394 U CN 218782394U CN 202220826580 U CN202220826580 U CN 202220826580U CN 218782394 U CN218782394 U CN 218782394U
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Abstract
The utility model discloses a circuit and electronic equipment for discernment connecting wire inserts, this circuit passes through control module and detects the node voltage between partial pressure module and the equipment connecting wire module, can discern whether electronic equipment additionally inserts the connecting wire, and after inserting the connecting wire, through with it and predetermine node voltage and compare, can confirm the length of inserting the connecting wire, from being favorable to improving the light accuracy and the reliability of closing behind the electronic equipment access connecting wire, get the light data that closes around closing the light, reduce the influence that two kinds of current distortion closed the light effect to electronic equipment around the connecting wire inserts, be favorable to the electronic equipment of different states to realize seamless processing and close the light, optimize the parasitic inductance of the connecting wire that inserts, improve electronic equipment's light effect that closes, the electric current that is particularly useful for combining the high-pressure light source scheme to reduce electronic equipment can make electronic equipment satisfy the application scene of high-power long-line connection, improve electronic equipment's light effect that closes, and then promote user experience.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a circuit and electronic equipment for discernment connecting wire inserts.
Background
The common lamp equipment in the market at present has two forms, one is an integrated lamp, and a control circuit, a driving circuit and a light source of the integrated lamp are in the same lamp body structure; and the other one is that the control part in the lamp body is separated, the driving circuit and the light source are in one lamp body, the control circuit is in the control box, and the control box is connected with the lamp body through a connecting wire. The lamp bodies of the two modes comprise circuit parts except the light source and the heat dissipation component, and the circuit parts including the driving circuit are generally transferred out, so that the size of the lamp body is reduced, and the weight of the lamp body is lightened.
In practical application, the connecting wire of lamp body itself can not satisfy the demand, like the light source power demand, often need the lamp body extension line, and the current distortion degree that two kinds of states brought behind the access extension line before the access extension line is different with the access extension line, if only do to the state that does not connect the extension line close the light correction, then close the effect that the light came out behind the access extension line can with the access extension line before obviously different, direct influence product experience like this, and will do the correction to the state behind the access extension line, accurate discernment lamp body has the connecting wire to insert to become the key. Therefore, it is important to provide a technical solution for accurately identifying the connected line connected to the lighting device.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide a circuit for identifying the access of a connection line, which can accurately identify the electronic device (e.g. a lighting device) having the access of the connection line.
In order to solve the technical problem, the utility model discloses a first aspect discloses a circuit for discernment connecting wire inserts, the circuit includes equipment connecting wire module, partial pressure module and control module, wherein:
one end of the equipment connecting line module is electrically connected with one end of the voltage division module and the detection end of the control module respectively, the other end of the equipment connecting line module is grounded, and the other end of the voltage division module is electrically connected with a voltage source;
the control module is used for detecting the node voltage between the equipment connecting line module and the voltage dividing module and identifying the connecting line access condition of the equipment connecting line module according to the detected node voltage and a preset node voltage; wherein the connection line access condition is used for indicating that a connection line is accessed or not accessed, and when the connection line access condition is used for indicating that the connection line is accessed, the connection line access condition comprises the length of the connection line and/or the type of the connection line.
As an optional implementation manner, in the first aspect of the present invention, the voltage dividing module includes voltage dividing resistors R, and the number of the voltage dividing resistors R is greater than or equal to 1.
As an optional implementation manner, in the first aspect of the present invention, the circuit further includes an electrostatic surge protection module, wherein:
the first end of the electrostatic surge protection module is electrically connected with one end of the equipment connecting line module, the second end of the electrostatic surge protection module is electrically connected with one end of the voltage dividing module, and the third end of the electrostatic surge protection module is used for being grounded;
the electrostatic surge protection module is used for inhibiting the current of the circuit and absorbing the surge voltage and/or the electrostatic voltage of the outside.
As an optional implementation manner, in the first aspect of the present invention, the electrostatic surge protection module includes a thermosensitive device and a surge protection device, wherein:
one end of the equipment connecting line module is electrically connected with one end of the thermosensitive device, the other end of the thermosensitive device is electrically connected with one end of the voltage dividing module and one end of the surge protection device respectively, and the other end of the surge protection device is grounded;
the thermosensitive device is used for inhibiting the current of the branch when the current of the branch is greater than or equal to the preset current;
the surge protection device is used for absorbing external surge voltage and/or electrostatic voltage.
As an alternative embodiment, in the first aspect of the present invention, the thermosensitive device includes a positive temperature coefficient thermistor PTC.
As an alternative implementation, in the first aspect of the present invention, the surge protection device includes a bidirectional transient voltage suppression diode TVS.
As an optional implementation manner, in the first aspect of the present invention, the circuit for identifying the connection line access further includes a filtering module, wherein:
one end of the filtering module is electrically connected with one end of the voltage division module, and the other end of the filtering module is grounded;
the filtering module is used for filtering the external voltage signal with the frequency greater than or equal to the preset frequency.
As an optional implementation manner, in the first aspect of the present invention, the filtering module includes a capacitor (C).
A second aspect of the present invention discloses an electronic device, the electronic device comprising a circuit for identifying a connection line access as any one of the first aspect disclosed.
As an optional implementation manner, in the second aspect of the present invention, the electronic device includes a lighting device.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses in, a circuit for discerning connecting wire access is provided, this circuit includes equipment connecting wire module, partial pressure module and control module, wherein: one end of the equipment connecting line module is electrically connected with one end of the voltage dividing module and the detection end of the control module respectively, the other end of the equipment connecting line module is used for grounding, the equipment connecting line module is arranged on the electronic equipment, and the other end of the voltage dividing module is used for being electrically connected with a voltage source; the control module is used for detecting the node voltage between the equipment connecting line module and the voltage dividing module and identifying the connecting line access condition of the equipment connecting line module according to the detected node voltage and the preset node voltage; wherein the connection line access condition is used to indicate that there is connection line access or no connection line access, and when the connection line access condition is used to indicate that there is connection line access, the connection line access condition includes the length of the connection line and/or the type of the connection line. It is visible, the utility model discloses after the electronic equipment power-on, under the effect of partial pressure module, detect the node voltage between partial pressure module and the equipment connecting line module through control module, can discern whether the electronic equipment additionally inserts the connecting wire, and after inserting the connecting wire, through comparing it with predetermineeing node voltage, can confirm the length of inserting the connecting wire, the type, thereby be favorable to improving the light accuracy and the reliability of closing behind the electronic equipment insertion connecting wire, get to close the light data around the light, reduce the influence that two kinds of electric current distortion closed the light effect to electronic equipment around the connecting wire inserts, be favorable to the electronic equipment of different states to realize seamless processing and close the light, improve electronic equipment's the light effect that closes, and then promote user experience, and circuit structure is simple, low cost, easy realization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit for identifying connection of a connecting line according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another circuit for identifying connection line access according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another circuit for identifying connection line access according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another circuit for identifying connection line access according to an embodiment of the present invention.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, unless otherwise explicitly specified or limited, the term "electrically connected" in the description and claims of the present invention and the above drawings should be interpreted broadly, and may be, for example, a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; can be mechanically and electrically connected, can be electrically connected or can be communicated with each other; either directly or indirectly through intervening media, either internally or in any other relationship. Furthermore, the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different elements and not necessarily for describing a particular order, and the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusions. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example one
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a circuit for identifying a connection line access according to an embodiment of the present invention, which can be applied to any electronic device (e.g., light brightness adjustment, light-combined LED lamp bead, etc.) requiring identification of the connection line access. As shown in fig. 1, the circuit for identifying the connection of the connection line includes an equipment connection line module, a voltage division module and a control module, wherein:
one end of the equipment connecting line module is electrically connected with one end of the voltage division module and the detection end of the control module respectively, the other end of the equipment connecting line module is used for grounding, and the other end of the voltage division module is used for electrically connecting a voltage source; the control module is used for detecting the node voltage between the equipment connecting line module and the voltage dividing module and identifying the connecting line access condition of the equipment connecting line module according to the detected node voltage and the preset node voltage; wherein the connection line access condition is used to indicate that there is connection line access or no connection line access, and when the connection line access condition is used to indicate that there is connection line access, the connection line access condition includes the length of the connection line and/or the type of the connection line.
In the embodiment of the present invention, the electronic device includes a lamp device, and a light source is disposed inside the electronic device, wherein a connection line is disposed inside the electronic device itself, and when no other connection line is connected to the electronic device, the device connection line module only includes the connection line of the electronic device itself and is disposed on the electronic device; when other connecting lines are connected into the electronic equipment, the equipment connecting line module comprises the connecting lines of the electronic equipment and the other connecting lines. Wherein, the connecting wire is internally provided with a plurality of driving wires, resistance wires (such as 200 omega) and ground wires. The length and the type of the connecting line connected into the electronic equipment can be the same as or different from those of the electronic equipment, and the connected connecting line is provided with a driving line, a resistance line and a ground line which are in one-to-one correspondence with the connecting line of the electronic equipment. Optionally, the connection line inside the electronic device and the accessed connection line may be simplified into corresponding resistors, as shown in fig. 5, fig. 5-a is a simple schematic diagram of the connection line that is not accessed, and fig. 5-b is a simple schematic diagram of the access connection line, where R1 is a resistor formed by the connection line of the electronic device itself, and R2 is a resistor formed by the accessed connection line. The control module drives the electronic equipment through the connecting line.
The embodiment of the utility model provides an in, control module is including the combination of singlechip and other devices that can play equal discernment connecting wire and insert the function, and the inside ADC conversion module that is provided with of singlechip, and this ADC conversion module is used for converting node voltage into digital signal.
In the embodiment of the present invention, it should be noted that the voltage source can be a built-in voltage source of the control module, an external voltage source of the whole circuit, and a voltage source of the electronic device, the present invention is not limited.
It can be seen that, after the circuit for identifying the access of the connection line described in fig. 1 is implemented, after the electronic device is powered on, under the action of the voltage dividing module, the node voltage between the voltage dividing module and the device connection line module is detected by the control module, whether the electronic device is additionally accessed into the connection line can be identified, and after the electronic device is accessed into the connection line, the length and the type of the accessed connection line can be determined by comparing the node voltage with the preset node voltage, so that the light combining accuracy and the reliability of the electronic device accessed into the connection line can be improved, the light combining data before and after light combining can be obtained, the influence of two current distortions before and after the connection line is accessed into the electronic device on the light combining effect of the electronic device can be reduced, the electronic device can seamlessly process the combined light, the parasitic inductance of the accessed connection line can be optimized, the light combining effect of the electronic device can be improved, and the circuit is particularly suitable for reducing the current of the electronic device by combining with a high-voltage light source scheme, so that the electronic device can meet the application scenario of high-power long-line connection, and further improve user experience.
In an optional embodiment, the embodiment of the present invention discloses another schematic structural diagram of a circuit for identifying connection line access, as shown in fig. 2, the circuit further includes an electrostatic surge protection module, wherein:
the first end of the electrostatic surge protection module is electrically connected with one end of the equipment connecting line module, the second end of the electrostatic surge protection module is electrically connected with one end of the voltage dividing module, and the third end of the electrostatic surge protection module is used for being grounded; and the electrostatic surge protection module is used for inhibiting the current of the circuit and absorbing the surge voltage and/or the electrostatic voltage of the outside.
In this alternative embodiment, the electrostatic surge protection module includes a thermosensitive device and a surge protection device, wherein: one end of the equipment connecting line module is electrically connected with one end of a thermosensitive device, the other end of the thermosensitive device is electrically connected with one end of the voltage dividing module and one end of the surge protection device respectively, and the other end of the surge protection device is used for being grounded; the thermosensitive device is used for inhibiting the current of the branch when the current of the branch is greater than or equal to the preset current; and the surge protection device is used for absorbing the surge voltage and/or the static voltage from the outside. Through setting up static surge circuit protection module, can be after the circuit is gone up, can restrain the branch road through thermosensitive device electric current, prevent too big and lead to burning out electronic components's the emergence condition to and absorb external surge voltage and/or electrostatic voltage through surge protection device, reduce the line loss, especially when the connecting wire that length more than or equal to predetermine the length threshold value inserts, can intercept surge/electrostatic interference that probably brings, protection electronic components, like control module.
In this optional embodiment, optionally, as shown in fig. 2, the circuit further includes a filtering module, where: one end of the filtering module is electrically connected with one end of the voltage division module, and the other end of the filtering module is grounded; and the filtering module is used for filtering the external voltage signal with the frequency greater than or equal to the preset frequency. Through connecting filtering module in series with the voltage division module like this, can keep the stability of node voltage at the interference of filtering external voltage signal, maintain effective level to be favorable to further improving the discernment accuracy and the reliability that the connecting wire inserts.
In this optional embodiment, optionally, the embodiment of the present invention discloses a structural schematic diagram of a circuit for identifying connection line access, as shown in fig. 3, a voltage dividing module includes, but is not limited to, a voltage dividing resistor R or a combination of other devices and the voltage dividing resistor R, which can perform a voltage dividing function, and further, the number of the voltage dividing resistor R is greater than or equal to 1. Thermosensitive devices include but are not limited to devices capable of inhibiting current such as positive temperature coefficient thermistors (PTC); the surge protection device comprises but is not limited to a bidirectional transient voltage suppression diode TVS and other devices capable of playing a role in surge electrostatic protection; the filtering module includes electric capacity C, and further, electric capacity C's quantity more than or equal to 1, and electric capacity C's size is selected according to actual circuit's demand, the embodiment of the utility model provides a do not restrict.
Use electronic equipment as lighting apparatus, control module for MCU and combine figure 3 right the embodiment of the utility model provides an operating principle of the circuit that is used for discerning the connecting wire to insert explains:
in the embodiment of the utility model, when no connecting wire is connected, the resistance wire of the lamp equipment is electrically connected with one end of the PTC thermistor; the other end of the thermistor PTC is electrically connected with the common end of the bidirectional transient voltage suppression diode TVS, the divider resistor R and the capacitor C, and the common end of the bidirectional transient voltage suppression diode TVS, the divider resistor R and the capacitor C is electrically connected with the ADC module of the MCU. At this time, after the lighting apparatus is powered on, a resistance line of the lighting apparatus, the thermistor PTC and the voltage dividing resistor R form a loop, a node voltage is formed at a node between the thermistor PTC and the voltage dividing resistor R (assuming that a resistance value of the resistance line of the lighting apparatus is 200 Ω, the node voltage is (200/(200 + R)) + VCC)), a signal formed by the node voltage flows into an ADC module of the MCU, the ADC module of the MCU converts the flowing signal into a digital signal, and the MCU recognizes that there is no connection line to connect to the lighting apparatus through the digital signal value. Further, switching to light combination basic data under the condition that no connecting line is accessed, and ensuring that the light emitting effect of the lamp equipment is normal;
when a connecting wire is connected, a resistance wire of the lamp equipment is electrically connected with a resistance wire of the connected connecting wire, and the resistance wire is electrically connected with one end of the thermistor PTC; the other end of the thermistor PTC is electrically connected with the common end of the bidirectional transient voltage suppression diode TVS, the divider resistor R and the capacitor C, and the common end of the bidirectional transient voltage suppression diode TVS, the divider resistor R and the capacitor C is electrically connected with the ADC module of the MCU. At this time, after the lighting apparatus is powered on, the resistance line of the lighting apparatus and the resistance line of the accessed connection line, the thermistor PTC and the divider resistor R form a loop, a node voltage is formed at a node between the thermistor PTC and the divider resistor R (assuming that the resistance values of the resistance line of the lighting apparatus and the accessed connection line are both 200 Ω, the node voltage is (400/(400 + R)). VCC)), a signal formed by the node voltage flows into the ADC module of the MCU, the ADC module of the MCU converts the flowing signal into a digital signal, and the MCU recognizes that the connection line is accessed to the lighting apparatus through the digital signal value. Further, the light combination basic data under the condition of connecting the connecting lines is switched to, and the light emitting effect of the lamp equipment is ensured to be normal. Therefore, when the electronic equipment is powered on, under the action of the voltage dividing module, the node voltage between the voltage dividing module and the equipment connecting line module is detected through the control module, whether the electronic equipment is additionally connected with the connecting line can be identified, and after the electronic equipment is connected with the connecting line, the length and the type of the connected connecting line can be determined by comparing the node voltage with the preset node voltage, so that the light combination accuracy and the reliability of the electronic equipment connected with the connecting line can be improved, the light combination data before and after light combination can be obtained, the influence of two current distortions before and after the connecting line is connected on the light combination effect of the electronic equipment can be reduced, the light combination effect of the electronic equipment can be favorably realized in a seamless mode by the electronic equipment in different states, the parasitic inductance of the connected connecting line can be optimized, the light combination effect of the electronic equipment can be improved, and the light combination effect of the electronic equipment can be improved.
Example two
Referring to fig. 4, fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, where the electronic device includes a circuit for identifying connection of a connecting wire according to any one of the first embodiment. And the electronic device includes, but is not limited to, any electronic device requiring identification of connection line access, such as a luminaire device, of the LED light source. It should be noted that, for the detailed description of the circuit for identifying the access of the connection line, please refer to the detailed description of the relevant contents in the first embodiment, which is not described again in this embodiment.
It can be seen that, after the electronic device described in fig. 4 is powered on, under the action of the voltage dividing module, the control module detects the node voltage between the voltage dividing module and the device connecting line module, and can identify whether the electronic device is additionally connected to the connecting line, and after the connecting line is connected, the control module compares the node voltage with the preset node voltage to determine the length and the type of the connected connecting line, thereby facilitating the improvement of the light combining accuracy and the reliability of the electronic device connected to the connecting line, obtaining the light combining data before and after light combining, reducing the influence of two current distortions before and after the connecting line is connected to the electronic device, facilitating the electronic devices in different states to seamlessly process light combining, optimizing the parasitic inductance of the connected connecting line, and improving the light combining effect of the electronic device.
The circuit and the electronic device for identifying the access of the connecting wire disclosed by the embodiments of the present invention are introduced in detail, and the principle and the implementation mode of the present invention are explained by applying the specific embodiments herein, but the above preferred embodiments are not intended to limit the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application range without departing from the spirit and scope of the present invention, and therefore, the protection scope of the present invention is subject to the scope defined by the claims.
Claims (10)
1. The utility model provides a circuit for discernment connecting wire is inserted which characterized in that, the circuit includes equipment connecting wire module, partial pressure module and control module, wherein:
one end of the equipment connecting line module is electrically connected with one end of the voltage division module and the detection end of the control module respectively, the other end of the equipment connecting line module is grounded, and the other end of the voltage division module is electrically connected with a voltage source;
the control module is used for detecting the node voltage between the equipment connecting line module and the voltage dividing module and identifying the connecting line access condition of the equipment connecting line module according to the detected node voltage and a preset node voltage; wherein the connection line access condition is used for indicating that a connection line is accessed or not accessed, and when the connection line access condition is used for indicating that the connection line is accessed, the connection line access condition comprises the length of the connection line and/or the type of the connection line.
2. The circuit for identifying the access of the connection line according to claim 1, wherein the voltage dividing module comprises voltage dividing resistors (R), and the number of the voltage dividing resistors (R) is greater than or equal to 1.
3. The circuit for identifying a connecting line access according to claim 1 or 2, further comprising an electrostatic surge protection module, wherein:
the first end of the electrostatic surge protection module is electrically connected with one end of the equipment connecting line module, the second end of the electrostatic surge protection module is electrically connected with one end of the voltage dividing module, and the third end of the electrostatic surge protection module is used for grounding;
the electrostatic surge protection module is used for inhibiting the current of the circuit and absorbing the surge voltage and/or the electrostatic voltage of the outside.
4. The circuit for identifying patch cord access of claim 3, wherein said electrostatic surge protection module comprises a thermosensitive device and a surge protection device, wherein:
one end of the equipment connecting line module is electrically connected with one end of the thermosensitive device, the other end of the thermosensitive device is electrically connected with one end of the voltage dividing module and one end of the surge protection device respectively, and the other end of the surge protection device is used for being grounded;
the thermosensitive device is used for inhibiting the current of the branch when the current of the branch is greater than or equal to a preset current;
the surge protection device is used for absorbing external surge voltage and/or electrostatic voltage.
5. The circuit for identifying the connection cord access of claim 4, wherein the heat sensitive device comprises a positive temperature coefficient thermistor (PTC).
6. The circuit for identifying a connection line access of claim 4, wherein the surge protection device comprises a bidirectional transient voltage suppression diode (TVS).
7. The circuit for identifying a connecting line access according to claim 1, 2, 4, 5 or 6, further comprising a filtering module, wherein:
one end of the filtering module is electrically connected with one end of the voltage division module, and the other end of the filtering module is grounded;
the filtering module is used for filtering the external voltage signal with the frequency greater than or equal to the preset frequency.
8. Circuit for identifying an access to a connection line according to claim 7, characterized in that said filtering module comprises a capacitor (C).
9. An electronic device, characterized in that it comprises a circuit for identifying a connection line access according to any one of claims 1-8.
10. The electronic device of claim 9, wherein the electronic device comprises a light fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220826580.XU CN218782394U (en) | 2022-04-11 | 2022-04-11 | Circuit for identifying connection wire access and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220826580.XU CN218782394U (en) | 2022-04-11 | 2022-04-11 | Circuit for identifying connection wire access and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782394U true CN218782394U (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220826580.XU Active CN218782394U (en) | 2022-04-11 | 2022-04-11 | Circuit for identifying connection wire access and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218782394U (en) |
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- 2022-04-11 CN CN202220826580.XU patent/CN218782394U/en active Active
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Address after: 518000 floor 2-4, building 21, Longjun Industrial Zone, Jiuwo, Longping community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Aitushi Innovation Technology Co.,Ltd. Address before: 518000 floor 2-4, building 21, Longjun Industrial Zone, Jiuwo, Longping community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: APUTURE IMAGING INDUSTRIES Co.,Ltd. |
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