CN217406516U - High-current non-contact switch circuit - Google Patents
High-current non-contact switch circuit Download PDFInfo
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- CN217406516U CN217406516U CN202220654164.6U CN202220654164U CN217406516U CN 217406516 U CN217406516 U CN 217406516U CN 202220654164 U CN202220654164 U CN 202220654164U CN 217406516 U CN217406516 U CN 217406516U
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- detection module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a high-current non-contact switch circuit, which comprises a detection module and a driving module; the detection module is used for detecting whether a magnetic object is close to the detection module, the detection module is provided with a first output port, when the magnetic object is close to the detection module, the detection module outputs a signal to the driving module from the first output port, and the driving module outputs a large-current high-voltage signal when receiving the output signal of the detection module. The utility model provides a heavy current non-contact switch circuit, when magnetic substance was close to the hall chip among the switch circuit, the high limit intelligent power tube of hall chip drive output heavy current high level, when magnetic substance kept away from switch circuit hall chip, hall chip closed drive signal made high limit intelligent power tube output become the low level. The non-contact position detection switch adopting the switch circuit has long service life and large current output.
Description
Technical Field
The utility model relates to an induction detection technique specifically is a heavy current non-contact switch circuit.
Background
The existing position detection switches in the market are classified into a contact type and a non-contact type, wherein the contact type switch has large output current but needs to be directly touched with an object to be detected, so that the service life of the position detection switch is relatively short, and the reliability of the position detection switch is not high. In the non-contact switch in the market, although various non-contact sensors are adopted, the service life and the reliability of the product are greatly improved, the output current of the non-contact switch is too small, and therefore the non-contact switch cannot directly drive a load.
Disclosure of Invention
To the problem that proposes in the background art, the utility model aims at providing a heavy current non-contact switch circuit, the non-contact position detection switch who adopts this switch circuit not only has long service life, has heavy current output moreover.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-current non-contact switch circuit comprises a detection module and a driving module; the detection module is used for detecting whether a magnetic object approaches the detection module, the detection module is provided with a first output port, when the magnetic object approaches the detection module, the detection module outputs a signal to the driving module from the first output port, and the driving module outputs a large-current high-voltage signal when receiving the output signal of the detection module;
the driving module consists of a high-side intelligent power tube U2, a resistor R2, a resistor R4 and a diode D2, one end of the resistor R2 is connected with a first output port of the detection module, the other end of the resistor R2 is connected with a pin 2 of the high-side intelligent power tube U2, a pin 3 of the high-side intelligent power tube U2 is connected with a positive electrode of a power supply, a pin 1 and a pin 5 of the high-side intelligent power tube U2 are connected in parallel and then connected with a second output port, the second output port is respectively connected with a negative electrode of the diode D2 and the resistor R4, and the other end of the resistor R4 and a positive electrode of the diode D2 are connected with a negative electrode of the power supply.
The Hall sensor H is DH43F, and the diode D1 is IN 4004.
The high-side intelligent power tube U2 is an English flying Rabbit BTS6143D, and the diode D2 is FR 105.
The utility model has the advantages that: the utility model provides a heavy current non-contact switch circuit, when magnetic substance was close to the hall chip among the switch circuit, the high limit intelligent power tube of hall chip drive output heavy current high level, when magnetic substance kept away from switch circuit hall chip, hall chip closed drive signal made high limit intelligent power tube output become the low level. The non-contact position detection switch adopting the switch circuit has long service life and high current output.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a circuit diagram of a detection module.
Fig. 3 is a circuit diagram of the driving module.
In the figure: 1. detection module, 2, drive module, 11, first output port, 12, second output port.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, 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.
As shown in fig. 1, 2, and 3, a large-current non-contact switch circuit includes a detection module 1 and a driving module 2, where the detection module 1 is configured to detect whether a magnetic object is close to the detection module 1, the detection module 1 has a first output port 11, when a magnetic object is close to the detection module 1, the detection module 1 outputs a signal from the first output port 11 to the driving module 2, and the driving module 2 outputs a large-current high-voltage signal when receiving the output signal of the detection module 1;
the detection module 1 consists of a Hall sensor H1, a diode D1, a resistor R1, a resistor R3, a capacitor C1 and a capacitor C3, wherein the anode of a diode D1 is connected with the anode of a power supply, the cathode of a diode D1 is connected with a resistor R1, the other end of a resistor R1 is respectively connected with the pin 1 of the Hall sensor H1, the resistor R3 and the capacitor C1, the other ends of the resistor R3, the capacitor C1 and the pin 2 of the Hall sensor H1 are respectively connected with the cathode of the power supply, the pin 3 of the Hall sensor H1 is respectively connected with a first output port and the capacitor C3, and the other end of the capacitor C3 is connected with the cathode of the power supply;
the driving module 2 consists of a high-side intelligent power tube U2, a resistor R2, a resistor R4 and a diode D2, one end of the resistor R2 is connected with a first output port of the detection module 1, the other end of the resistor R2 is connected with a pin 2 of the high-side intelligent power tube U2, a pin 3 of the high-side intelligent power tube U2 is connected with the anode of a power supply, a pin 1 and a pin 5 of the high-side intelligent power tube U2 are connected in parallel and then connected with a second output port, the second output port is respectively connected with the cathode of the diode D2 and the resistor R4, and the other end of the resistor R4 and the anode of the diode D2 are connected with the cathode of the power supply.
In an embodiment of the present invention, in the detection module 1, the hall sensor H1 adopts DH 43F; diode D1 is IN 4004; in the driving module 2, a high-side intelligent power tube U2 adopts an English flying BTS6143D, and D2 adopts FR 105.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
The part of the utility model not detailed is prior art.
Claims (4)
1. The utility model provides a heavy current non-contact switch circuit, includes detection module (1) and drive module (2), characterized by: the detection module (1) is used for detecting whether a magnetic object approaches the detection module (1), the detection module (1) is provided with a first output port, when the magnetic object approaches the detection module (1), the detection module (1) outputs a signal to the driving module (2) from the first output port, and the driving module (2) outputs a large-current high-voltage signal when receiving the output signal of the detection module (1);
the driving module (2) is composed of a high-side intelligent power tube U2, a resistor R2, a resistor R4 and a diode D2, one end of the resistor R2 is connected with a first output port of the detection module (1), the other end of the resistor R2 is connected with a pin 2 of the high-side intelligent power tube U2, a pin 3 of the high-side intelligent power tube U2 is connected with the anode of a power supply, a pin 1 and a pin 5 of the high-side intelligent power tube U2 are connected in parallel and then connected with a second output port, the second output port is respectively connected with the cathode of the diode D2 and the resistor R4, and the other end of the resistor R4 and the anode of the diode D2 are connected with the cathode of the power supply.
2. A high current contactless switch circuit as claimed in claim 1, wherein: the detection module (1) is composed of a Hall sensor H1, a diode D1, a resistor R1, a resistor R3, a capacitor C1 and a capacitor C3, wherein the anode of the diode D1 is connected with the anode of a power supply, the cathode of the diode D1 is connected with the resistor R1, the other end of the resistor R1 is respectively connected with the 1 pin of the Hall sensor H1, the resistor R3 and the capacitor C1, the other ends of the resistor R3, the capacitor C1 and the 2 pin of the Hall sensor H1 are respectively connected with the cathode of the power supply, the 3 pin of the Hall sensor H1 is respectively connected with a first output port and the capacitor C3, and the other end of the capacitor C3 is connected with the cathode of the power supply.
3. A high current contactless switch circuit as claimed in claim 2, wherein: the Hall sensor H1 is DH43F, and the diode D1 is IN 4004.
4. A high current contactless switch circuit as claimed in claim 1, wherein: the high-side intelligent power tube U2 is an English flying Rabbit BTS6143D, and the diode D2 is FR 105.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220654164.6U CN217406516U (en) | 2022-03-24 | 2022-03-24 | High-current non-contact switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220654164.6U CN217406516U (en) | 2022-03-24 | 2022-03-24 | High-current non-contact switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217406516U true CN217406516U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220654164.6U Active CN217406516U (en) | 2022-03-24 | 2022-03-24 | High-current non-contact switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217406516U (en) |
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2022
- 2022-03-24 CN CN202220654164.6U patent/CN217406516U/en active Active
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