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CN-121978760-A - Detection circuit and detection system of base station

CN121978760ACN 121978760 ACN121978760 ACN 121978760ACN-121978760-A

Abstract

The application relates to a detection circuit and a detection system of a base station, wherein the detection circuit is applied to the base station and comprises a mode control module, a first voltage division module and a voltage detection module, the mode control module is used for being connected with a first power supply voltage, receiving a first mode signal from a base station controller and outputting the first power supply voltage, the first voltage division module is provided with an on-site detection node and used for inputting the first power supply voltage from the mode control module, when a first connection terminal is connected to a target appliance, a part of circuits in the first voltage division module and circuits in a second voltage division module in the target appliance are connected in parallel and then connected to the ground so as to divide the power supply voltage, and the voltage detection module is used for detecting a first voltage detection value of the on-site detection node, wherein the first voltage detection value is different when the target appliance is on site and the target appliance is off-site. The detection circuit can perform in-situ detection without a target appliance feedback signal, and can reduce detection power consumption.

Inventors

  • LUO JIANLIN

Assignees

  • 元界锐器(上海)生活电器有限公司

Dates

Publication Date
20260505
Application Date
20260115

Claims (10)

  1. 1. A detection circuit of a base station, characterized by being applied to a base station configured with a first connection terminal for connecting a target appliance, comprising: the mode control module is used for connecting a first power supply voltage, receiving a first mode signal from the base station controller, and outputting the first power supply voltage under the condition that the first mode signal is in a first level state; The first voltage dividing module is connected with the mode control module and the first connecting terminal, is provided with an in-place detection node and is used for inputting a first power supply voltage from the mode control module, and when the first connecting terminal is connected with the target appliance, a part of circuits in the first voltage dividing module and circuits in a second voltage dividing module in the target appliance are connected in parallel and then connected to the ground so as to divide the power supply voltage; And transmitting the first voltage detection value to the base station controller so that the base station controller judges whether the target appliance is in place or not based on the first voltage detection value, and the first voltage detection value is different in a state that the target appliance is in place and the target appliance is out of place.
  2. 2. The detection circuit of claim 1, wherein the mode control module comprises a first resistor, a second resistor, and a first field effect transistor; The source electrode of the first field effect transistor is connected with a first power supply, the grid electrode of the first field effect transistor is connected with one end of the first resistor, the other end of the first resistor is connected with a first sending pin of the base station controller, two ends of the second resistor are respectively connected with the source electrode and the grid electrode of the first field effect transistor, and the drain electrode of the first field effect transistor is connected with the first voltage dividing module.
  3. 3. The detection circuit of claim 1, wherein the first voltage divider module comprises a third resistor, a first diode, a fourth resistor, and a fifth resistor; One end of the third resistor is connected with the mode control module, the other end of the third resistor is connected with the anode of the first diode, the cathode of the first diode is connected with one end of the fourth resistor, the other end of the fourth resistor is grounded through the fifth resistor, and a common connection point of the cathode of the first diode and the fourth resistor is connected with the first connection terminal.
  4. 4. The detection circuit of claim 1, wherein the detection circuit further comprises a first communication transmission module; The first communication transmitting module comprises a sixth resistor, a seventh resistor, an eighth resistor and a second field effect transistor; One end of the sixth resistor is connected with the second transmitting pin of the base station controller, the other end of the sixth resistor is connected with the grid electrode of the second field effect transistor, the drain electrode of the second field effect transistor is grounded, two ends of the seventh resistor are respectively connected with the grid electrode and the drain electrode of the second field effect transistor, the source electrode of the second field effect transistor is connected with one end of the eighth resistor, and the other end of the eighth resistor is connected with the first connecting terminal.
  5. 5. The detection circuit of claim 1, further comprising a first communication receiving module; the first communication receiving module comprises a ninth resistor, a tenth resistor, an eleventh resistor and a first triode; one end of the ninth resistor is connected with a second power supply, the other end of the ninth resistor is connected with the collector of the first triode, the common connection point of the ninth resistor and the collector of the first triode is connected with a first receiving pin, the emitting electrode of the first triode is grounded, the two ends of the tenth resistor are respectively connected with the base electrode and the emitting electrode of the first triode, the base electrode of the first triode is also connected with one end of the eleventh resistor, and the other end of the eleventh resistor is connected with a first connecting terminal.
  6. 6. The detection circuit of claim 1, wherein the first voltage divider module further has a charge detection node, the detection circuit further comprising a charge module and a charge detection module; the charging module is used for connecting a third power supply, receiving a charging signal of the base station controller, and outputting a third power supply voltage to the target appliance under the condition that the charging signal is in a second level state; The charging detection module is connected with the charging module and is used for detecting a second voltage detection value of the charging detection node and transmitting the second voltage detection value to the base station controller, so that the base station controller judges whether the target appliance is full or not based on the second voltage detection value, and the second voltage detection value is different in the full and unfilled states of the target appliance.
  7. 7. The detection circuit of claim 6, wherein the charging module comprises a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a third field effect transistor, and a second triode; One end of the twelfth resistor is connected with a third transmitting pin of the base station controller, the other end of the twelfth resistor is connected with a base electrode of the second triode, two ends of the thirteenth resistor are respectively connected with the base electrode and an emitting electrode of the second triode, the emitting electrode of the second triode is grounded, a collecting electrode of the second triode is connected with one end of the fourteenth resistor, the other end of the fourteenth resistor is connected with one end of the fifteenth resistor, the other end of the fifteenth resistor is connected with a third power supply, a source electrode of the third field effect transistor is connected with the third power supply, a grid electrode of the third field effect transistor is connected with a common connection point of the fourteenth resistor and the fifteenth resistor, and a drain electrode of the third field effect transistor is connected with the first connection terminal.
  8. 8. The detection circuit of claim 6, wherein the charge detection module comprises a sixteenth resistor and a first capacitor; One end of the sixteenth resistor is connected with the charging detection node, the other end of the sixteenth resistor is connected with one end of the first capacitor, the other end of the first capacitor is grounded, and a node between the sixteenth resistor and the first capacitor is used for outputting a charging detection signal carrying the second voltage detection value information to the base station controller.
  9. 9. The detection circuit of claim 1, wherein the voltage detection module comprises a seventeenth resistor and a second capacitor; One end of the seventeenth resistor is connected with the in-place detection node, the other end of the seventeenth resistor is connected with one end of the second capacitor, the other end of the second capacitor is grounded, and a node between the seventeenth resistor and the second capacitor is used for outputting an in-place detection signal carrying the first voltage detection value information to the base station controller.
  10. 10. A detection system of a base station, characterized by comprising the detection circuit of a base station according to any of claims 1-9 and a target appliance, the target appliance being configured with a second connection terminal for connecting the base station, the target appliance comprising a second communication transmission module and a second partial pressure; The second communication sending module is connected with the first connecting terminal of the base station through the second connecting terminal of the target appliance and is used for sending a feedback signal to the first communication receiving module based on a feedback instruction of the target appliance controller; The second voltage dividing module is used for being connected with a part of circuits in the first voltage dividing module in parallel and grounded under the condition that the first connecting terminal and the second connecting terminal are communicated, and is also used for receiving a task signal sent by the first communication sending module and transmitting the task signal to the target appliance controller.

Description

Detection circuit and detection system of base station Technical Field The present application relates to the field of detection technologies, and in particular, to a detection circuit and a detection system for a base station. Background The base station is used to provide intelligent services to the target appliance, and the appliance in place is the basis for providing intelligent services. The conventional in-place detection method needs that the controller of the target appliance is in a power-on or working state, and the in-place detection method cannot identify whether the target appliance is in place or not under the conditions that the battery is completely exhausted, and the battery is in a deep fault or shutdown state, so that intelligent service cannot be provided. In addition, in the traditional in-place detection method, in order to ensure the real-time performance of the connection state, the base station can periodically communicate with the target appliance, so that the target appliance cannot enter a real deep sleep mode, the standby power consumption is high, and the battery endurance time is shortened. Disclosure of Invention Accordingly, it is necessary to provide a detection circuit and a detection system for a base station capable of reducing power consumption for bit detection. In a first aspect, the present application provides a detection circuit of a base station, applied to a base station configured with a first connection terminal for connecting a target appliance, comprising: the mode control module is used for connecting a first power supply voltage, receiving a first mode signal from the base station controller, and outputting the first power supply voltage under the condition that the first mode signal is in a first level state; The first voltage dividing module is connected with the mode control module and the first connecting terminal, is provided with an in-place detection node and is used for inputting a first power supply voltage from the mode control module, and when the first connecting terminal is connected with the target appliance, a part of circuits in the first voltage dividing module and circuits in a second voltage dividing module in the target appliance are connected in parallel and then connected to the ground so as to divide the power supply voltage; And transmitting the first voltage detection value to the base station controller so that the base station controller judges whether the target appliance is in place or not based on the first voltage detection value, and the first voltage detection value is different in a state that the target appliance is in place and the target appliance is out of place. In one embodiment, the mode control module includes a first resistor, a second resistor, and a first field effect transistor; The source electrode of the first field effect transistor is connected with a first power supply, the grid electrode of the first field effect transistor is connected with one end of the first resistor, the other end of the first resistor is connected with a first sending pin of the base station controller, two ends of the second resistor are respectively connected with the source electrode and the grid electrode of the first field effect transistor, and the drain electrode of the first field effect transistor is connected with the first voltage dividing module. In one embodiment, the first voltage dividing module comprises a third resistor, a first diode, a fourth resistor and a fifth resistor; One end of the third resistor is connected with the mode control module, the other end of the third resistor is connected with the anode of the first diode, the cathode of the first diode is connected with one end of the fourth resistor, the other end of the fourth resistor is grounded through the fifth resistor, and a common connection point of the cathode of the first diode and the fourth resistor is connected with the first connection terminal. In one embodiment, the detection circuit further includes a first communication transmission module; The first communication transmitting module comprises a sixth resistor, a seventh resistor, an eighth resistor and a second field effect transistor; One end of the sixth resistor is connected with the second transmitting pin of the base station controller, the other end of the sixth resistor is connected with the grid electrode of the second field effect transistor, the drain electrode of the second field effect transistor is grounded, two ends of the seventh resistor are respectively connected with the grid electrode and the drain electrode of the second field effect transistor, the source electrode of the second field effect transistor is connected with one end of the eighth resistor, and the other end of the eighth resistor is connected with the first connecting terminal. In one embodiment, the detection circuit further comprises a first communication receiving module; the first communication receivi