CN219611384U - Relay base - Google Patents
Relay base Download PDFInfo
- Publication number
- CN219611384U CN219611384U CN202320526008.6U CN202320526008U CN219611384U CN 219611384 U CN219611384 U CN 219611384U CN 202320526008 U CN202320526008 U CN 202320526008U CN 219611384 U CN219611384 U CN 219611384U
- Authority
- CN
- China
- Prior art keywords
- power supply
- electrically connected
- resistor
- module
- node
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a relay seat, a thermometer charges through the relay seat, the relay seat comprises a main circuit board, a battery and a shell, the main circuit board comprises a control module and a power supply module, the power supply module is electrically connected with the control module, and the control module detects and controls the power supply module to charge the thermometer; the shell is provided with a power supply interface; the power supply module comprises a power supply module and a power supply switching module, and the power supply module converts the current output by the battery or the power supply interface into stable power supply current; the first field effect transistor of the power supply switching module conducts the battery with the power supply module in a state that the power supply interface does not receive external current, and disconnects the battery from the power supply module in a state that the power supply interface receives external current. The relay base provided by the embodiment of the utility model can display the working state of the relay base, the electric quantity information of the battery and the electric quantity information of the thermometer in charging in real time through the display device.
Description
Technical Field
The utility model relates to the technical field of charging, in particular to a relay base.
Background
When the existing thermometer relay base is placed on the thermometer relay base for charging, the charging state of the thermometer is usually indicated by simply adopting an indicator lamp mode, and the mode can only enable people to know whether the thermometer is fully charged or not, and the electric quantity change of the thermometer in the charging process cannot be obtained.
Disclosure of Invention
The embodiment of the utility model provides a relay base, which can display the change condition of the electric quantity of a thermometer when the thermometer is charged on the relay base in real time through a display device.
In a first aspect, an embodiment of the present utility model provides a relay socket for a thermometer, the thermometer being charged through the relay socket, the relay socket including: the main circuit board comprises a control module and a power supply module, the power supply module is electrically connected with the control module, and the control module detects and controls the power supply module to charge the thermometer; the battery is electrically connected with the main circuit board; the shell is provided with a power supply interface, the power supply interface is electrically connected with the main circuit board, and the main circuit board receives external current through the power supply interface; the power supply module comprises a power supply module and a power supply switching module, the power supply module is electrically connected with the control module, and the power supply module converts the current output by the battery or the power supply interface into stable power supply current; the power supply switching module is electrically connected with the power supply module, the battery and the power supply interface, and comprises a first field effect tube which is used for conducting the battery with the power supply module in a state that the power supply interface does not receive external current, and disconnecting the battery with the power supply module in a state that the power supply interface receives external current.
Optionally, a display device is further arranged on the shell and is electrically connected with the control module, and the display device can display the electric quantity information of the battery and the electric quantity information of the thermometer during charging.
Optionally, the power supply switching module further includes a first resistor, a first schottky diode, and a first capacitor, a first end of the first field effect tube is electrically connected with the battery, a second end of the first field effect tube is electrically connected with the power module, a control end of the first field effect tube is electrically connected with the power supply interface, the first field effect tube is a P-channel field effect tube, a first node is arranged between the control end of the first field effect tube and the power supply interface, the first resistor is electrically connected with the first node and grounded, the power supply interface, the first schottky diode, the second node, and the power module are sequentially electrically connected, the first end of the first capacitor is electrically connected with the second node, and the second end of the first capacitor is grounded.
Optionally, the power module includes a second resistor, a third resistor, a second schottky diode, a second capacitor, a third capacitor, a fourth capacitor, and a power processor, where a power end of the power processor is connected to the second node, a first end of the power processor is electrically connected to a first end of the second capacitor, a second end of the power processor is electrically connected to a second end of the second capacitor, an enable end of the power processor is electrically connected to a second end of the first field effect transistor, a voltage output end of the power processor outputs a voltage outwards, a ground of the power processor is grounded, a first end of the third capacitor is electrically connected to a power end of the power processor, a second end of the third capacitor is grounded, a voltage output end of the power processor, a third node, a third resistor, and a second schottky diode are sequentially electrically connected, the second resistor is parallel to the third resistor, a first end of the fourth capacitor is electrically connected to the third node, and a second end of the fourth capacitor is grounded.
Optionally, the power supply module further comprises a detection module, the detection module is electrically connected with the control module and the battery, and the detection module detects the operation state of the main circuit board.
Optionally, the detection module comprises a power supply detection module, the power supply detection module is electrically connected with the control module and the power supply interface, the power supply detection module detects the potential of the power supply interface to obtain potential information, and the control module generates the power supply information according to the potential information and controls the display device to display the power supply information.
Optionally, the power supply detection module includes a fourth resistor and a fifth resistor, the first node, the fourth resistor, the fourth node and the fifth resistor are electrically connected in sequence, the second end of the fifth resistor is grounded, the fourth node is electrically connected with the control module, the power supply detection module transmits a low-level signal to the control module in a state that the power supply interface does not receive external current, and the power supply detection module transmits a high-level signal to the control module in a state that the power supply interface receives external current.
Optionally, the detection module further includes a charge detection module, the charge detection module is electrically connected with the control module, the charge detection module includes a second field effect tube, a fifth capacitor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, and a tenth resistor, a first end of the second field effect tube is grounded, a second end of the second field effect tube is electrically connected with the control module, a control end of the second field effect tube, the seventh resistor, the eighth resistor, and a thermometer detection end are sequentially electrically connected, the second field effect tube is an N-channel field effect tube, a fifth node is provided between the second end of the second field effect tube and the control module, a first end of the ninth resistor is electrically connected with the fifth node, a second end of the ninth resistor is electrically connected with a power voltage end of the control module, a first end of the tenth resistor is electrically connected with the fifth node, a second end of the tenth resistor is electrically connected with a charge state end of the control module, a sixth node is provided between the control end of the second field effect tube and the seventh resistor, a first end of the sixth resistor is electrically connected with the sixth node, a sixth resistor is connected with the fifth capacitor in parallel; the second field effect transistor generates a signal to be charged when the electric quantity of the thermometer is insufficient, the control module generates information to be charged according to the signal to be charged and controls the display device to display the information to be charged, the second field effect transistor generates a full-charge electric signal when the electric quantity of the thermometer is full, and the control module generates full-charge information according to the full-charge electric signal and controls the display device to display the full-charge information.
Optionally, the detection module further includes a battery voltage detection module, the battery voltage detection module includes an eleventh resistor, a twelfth resistor, and a sixth capacitor, a seventh node is disposed between the eleventh resistor and the twelfth resistor, a first end of the twelfth resistor is electrically connected with the battery, a second end of the twelfth resistor is electrically connected with the seventh node, a first end of the eleventh resistor is electrically connected with the control module through the seventh node, a second end of the eleventh resistor is grounded, the sixth capacitor is connected in parallel with the eleventh resistor, and the battery voltage detection module is used for detecting voltage information of the battery and sending the voltage information to the control module.
Optionally, the display device is a display screen and/or an indicator lamp, the detection module further comprises a charging indication module, the charging indication module is electrically connected with the control module, and the charging indication module sends out a corresponding prompt according to the charging state of the thermometer.
According to the relay seat, the change condition of the electric quantity of the thermometer when the relay seat is charged and the electric quantity information of the battery of the relay seat can be displayed in real time through the display device, so that people can conveniently and rapidly acquire the electric quantity condition of the thermometer when the thermometer is charged and judge whether the battery of the relay seat needs to be charged or not according to the electric quantity information of the battery of the relay seat on the display device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a relay socket according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating an internal structure of a relay socket according to an embodiment of the present utility model;
FIG. 3 is a top view of one embodiment of a relay socket of the present utility model;
FIG. 4 is a schematic diagram of a thermometer of one embodiment of a relay mount of the present utility model;
FIG. 5 is a block diagram illustrating an embodiment of a relay socket according to the present utility model;
fig. 6 is a circuit diagram of a power supply portion of an embodiment of the relay socket of the present utility model;
fig. 7 is a circuit diagram of a charge detection module of an embodiment of the relay socket of the present utility model.
Reference numerals illustrate: 100-relay base; 101-a main circuit board; 102-a housing; 1021-a display screen; 1022-power interface; 1023-slide switch; 1024-keys; 1025-a charging contact positive electrode; 1026-charging contact anode; 1027-state of charge indicator light; 103-a battery; 104-thermometer; 1041-charging contacts; 201-a control module; 202-a power module; 203-a power switching module; 204-a power detection module; 205-a battery voltage detection module; 206-a charge detection module; 207-buzzer module; 208-a charge indication module; c1-a first capacitance; c2-a second capacitance; a C3-third capacitor; c4-fourth capacitance; c5-fifth capacitance; c6-sixth capacitance; r1-a first resistor; r2-a second resistor; r3-a third resistor; r4-fourth resistor; r5-fifth resistor; r6-sixth resistance; r7-seventh resistor; r8-eighth resistor; r9-ninth resistance; r10-tenth resistor; r11-eleventh resistor; r12-twelfth resistor; q1-a first field effect transistor; q2-a second field effect transistor; d1—a first schottky diode; d2-a second schottky diode; n1-a first node; n2-a second node; n3-third node; n4-fourth node; n5-fifth node; n6-sixth node; n7-seventh node; power processor-U1.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the present utility model provides a relay base, referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of the relay base of the present utility model, fig. 2 is a schematic internal structural diagram of an embodiment of the relay base of the present utility model, fig. 3 is a top view of an embodiment of the relay base of the present utility model, fig. 4 is a schematic diagram of a thermometer of an embodiment of the relay base of the present utility model, and fig. 5 is a structural block diagram of an embodiment of the relay base of the present utility model.
As shown in fig. 1 to 5, in the embodiment of the present utility model, the thermometer 104 is charged through the relay socket 100, the relay socket 100 includes a main circuit board 101, a battery 103 and a housing 102, wherein the main circuit board 101 includes a control module 201 and a power supply module, the power supply module is electrically connected with the control module 201, the control module 201 detects and controls the power supply module to charge the thermometer 104, the battery 103 is electrically connected with the main circuit board 101, a power supply interface 1022 is disposed on the housing 102, the power supply interface 1022 is electrically connected with the main circuit board 101, the main circuit board 101 receives an external current through the power supply interface 1022, and the relay socket 100 can charge the thermometer 104 through the battery 103 or charge the thermometer 104 through the external current of the power supply interface 1022.
As shown in fig. 6, the power supply module includes a power supply module 202 and a power supply switching module 203, the power supply module 202 is electrically connected to the control module 201, the power supply module 202 converts the current output from the battery 103 or the power supply interface 1022 into a stable power supply current, and the current flowing into the power supply module 202 from the power supply interface 1022 is direct current. The power supply switching module 203 is electrically connected with the power supply module 202, the battery 103 and the power supply interface 1022, the power supply switching module 203 includes a first field effect transistor Q1, the first field effect transistor Q1 conducts the battery 103 with the power supply module 202 in a state that the power supply interface 1022 does not receive external current, and the first field effect transistor Q1 disconnects the battery 103 from the power supply module 202 in a state that the power supply interface 1022 receives external current. That is, when the power supply interface 1022 receives an external current, the relay holder 100 supplies power to the thermometer 104 through the external current of the power supply interface 1022, and when the power supply interface 1022 does not receive an external current, the relay holder 100 supplies power to the thermometer 104 through the battery 103.
The control module 201 is a RISC-V microcontroller with a model number CH582F and integrated with BLE wireless communication, and the power supply interface 1022 may be a USB TYPE-C interface, or may be a USB TYPE-A, micro-USB, etc., and may charge the battery 103 through the power supply interface 1022, and may also upgrade the firmware of the control module 201 through the power supply interface 1022.
Optionally, a display device is further disposed on the housing 102 and electrically connected to the control module 201, where the display device displays the power information of the battery 103 and the power information of the thermometer 104 during charging, and when the thermometer 104 is placed on the relay base 100 for charging, the control module 201 can display the power of the battery 103 in the relay base 100, the working state of the relay base 100, and the power of the thermometer 104 through the display device.
Optionally, the power supply switching module 203 further includes a first resistor R1, a first schottky diode D1, and a first capacitor C1, where a first end of the first fet Q1 is electrically connected to the battery 103, a second end of the first fet Q1 is electrically connected to the power module 202, a control end of the first fet Q1 is electrically connected to the power supply interface 1022, the first fet Q1 is a P-channel fet, a first node N1 is between the control end of the first fet Q1 and the power supply interface 1022, the first resistor R1 is electrically connected to the first node N1 and grounded, the power supply interface 1022, the first schottky diode D1, the second node N2, and the power module 202 are sequentially electrically connected, and a first end of the first capacitor C1 is electrically connected to the second node N2, and a second end of the first capacitor C1 is grounded.
Optionally, the power module 202 includes a second resistor R2, a third resistor R3, a second schottky diode D2, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, and a power supply processor U1, where a power supply end of the power supply processor U1 is connected to the second node N2, and a first end of the power supply processor U1 is electrically connected to a first end of the second capacitor C2. The second end of the power supply processor U1 is electrically connected with the second end of the second capacitor C2, the enabling end of the power supply processor U1 is electrically connected with the second end of the first field effect tube Q1, the voltage output end of the power supply processor U1 outputs voltage outwards, the grounding end of the power supply processor U1 is grounded, the first end of the third capacitor C3 is electrically connected with the power supply end of the power supply processor U1, the second end of the third capacitor C3 is grounded, the voltage output end of the power supply processor U1, the third node N3, the third resistor R3 and the second Schottky diode D2 are sequentially electrically connected, the second resistor R2 is connected with the third resistor R3 in parallel, the first end of the fourth capacitor C4 is electrically connected with the third node, and the second end of the fourth capacitor C4 is grounded. The power module 202 adopts a step-up/down DC-DC power chip, and the power chip adopted by the power module 202 in the embodiment of the present utility model is a step-up/down DC-DC power chip with the model TX4210B, and the power module 202 converts the direct current output by the battery 103 or the external direct current output from the power supply interface 1022 into a stable 3.3V direct current power supply current through DC-DC to supply other loads.
Optionally, the power supply module further includes a detection module, which is electrically connected with the control module 201 and the battery 103, and detects an operation state of the main circuit board 101.
Optionally, the detection module includes a power supply detection module 204, where the power supply detection module 204 is electrically connected to the control module 201 and the power supply interface 1022, and the power supply detection module 204 detects a potential of the power supply interface 1022 to obtain potential information, and the control module 204 generates power supply information according to the potential information and controls the display device to display the power supply information.
Further, the power supply detection module 204 includes a fourth resistor R4 and a fifth resistor R5, the first node N1, the fourth resistor R4, the fourth node N4, and the fifth resistor R5 are electrically connected in sequence, the second end of the fifth resistor R5 is grounded, the fourth node N4 is electrically connected to the control module 201, the power supply detection module 204 transmits a low level signal to the control module 201 in a state that the power supply interface 1022 does not receive an external current, and the power supply detection module 204 transmits a high level signal to the control module 201 in a state that the power supply interface 1022 receives an external current.
Optionally, the detection module further includes a charge detection module 206, as shown in fig. 7, the charge detection module 206 is electrically connected to the control module 201, the charge detection module 206 includes a second fet Q2, a fifth capacitor C5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, and a tenth resistor R10, a first end of the second fet Q2 is grounded, a second end of the second fet Q2 is electrically connected to the control module 201, a control end of the second fet Q2, the seventh resistor R7, the eighth resistor R8, and a thermometer detection end are sequentially electrically connected, the second fet Q2 is an N-channel fet, a first end of the ninth resistor R9 is electrically connected to the fifth node N5, a second end of the ninth resistor R9 is electrically connected to a power supply voltage end of the control module 201, a first end of the tenth resistor R10 is electrically connected to the fifth node N5, a sixth end of the second resistor R10 is electrically connected to the sixth node N6, and a sixth end of the sixth resistor R6 is electrically connected between the second end of the second fet Q2 and the control module 201, and the sixth end of the sixth resistor R6 is electrically connected to the sixth node N6.
When the electric quantity of the thermometer 104 is insufficient, the grid voltage of the second field effect transistor Q2 is pulled down, the second field effect transistor Q2 is cut off, the control module 201 generates information to be charged according to the signal to be charged and controls the display device to display the information to be charged, when the electric quantity of the thermometer 104 is full, the grid voltage of the second field effect transistor Q2 is restored to a high level, the second field effect transistor Q2 is conducted to generate a full-charge electric signal, and the control module 201 generates full-charge information according to the full-charge electric signal and controls the display device to display the full-charge information.
Optionally, the display device is a display screen 1021 and/or an indicator light, when the display device is the display screen 1021, the display screen 1021 is electrically connected with the control module 201, the display screen 1021 displays the electric quantity information of the battery 103 and the electric quantity information of the thermometer 104 during charging, and when the thermometer 104 is placed on the relay seat 100 for charging, the control module 201 can display the electric quantity of the battery 103 in the relay seat 100, the working state of the relay seat 100 and the electric quantity of the thermometer 104 through the display screen 1021. When the display device is an indicator lamp, the indicator lamp is a charge state indicator lamp 1027, the charge state indicator lamp 1027 comprises a plurality of indicator lamps, the charge state indicator lamp 1027 is electrically connected with the control module 201, the control module 201 obtains the electric quantity information of the thermometer 104 through the charge detection module 206, and the corresponding indicator lamp in the charge state indicator lamp 1027 is controlled to emit light according to the electric quantity information of the thermometer 104. In this embodiment, the charge state indicator 1027 includes five indicator lamps, one indicator lamp of the charge state indicator 1027 emits light when the electric power of the thermometer 104 is lower than 20%, two indicator lamps of the charge state indicator 1027 emit light when the electric power of the thermometer 104 is higher than 20% and lower than 40%, and so on, and all the five indicator lamps of the charge state indicator 1027 emit light when the electric power of the thermometer 104 is full.
Alternatively, when the relay base 100 is not placed in the thermometer 104, the charge state indicator 1027 indicates the electric quantity of the battery 103 of the relay base 100, and if the electric quantity of the battery 103 is higher than 80%, the five indicator lamps are all on; the electricity of the battery 100 is 60% -80%, and 4 lamps are all on; 40% -60%, when the total brightness … … of the 3 lamps is lower than 20%, 1 lamp is lighted, and when the working electric quantity is lower than the working electric quantity, the indicating lamp is not lighted.
Optionally, when the display device is the display screen 1021 and the charge status indicator 1027, the display screen 1021 and the charge status indicator 1027 are electrically connected with the control module 201, the display screen 1021 displays the electric quantity information of the battery 103 and the electric quantity information of the thermometer 104 during charging, the charge status indicator 1027 displays the working status of the relay holder 100 through the indicator, and when the thermometer 104 is placed on the relay holder 100 for charging, the control module 201 displays the electric quantity of the battery 103 in the relay holder 100, the working status of the relay holder 100 and the electric quantity of the thermometer 104 through the display device.
Optionally, the charge state indicator 1027 may be set to be displayed in a different color, which is not described herein.
Optionally, the detection module further includes a battery voltage detection module 205, where the battery voltage detection module 205 includes an eleventh resistor R11, a twelfth resistor R12, and a sixth capacitor C6, a seventh node N7 is disposed between the eleventh resistor R11 and the twelfth resistor R12, a first end of the twelfth resistor R12 is electrically connected to the battery 103, a second end of the twelfth resistor R12 is electrically connected to the seventh node N7, a first end of the eleventh resistor R11 is electrically connected to the control module 201 through the seventh node N7, a second end of the eleventh resistor R11 is grounded, the sixth capacitor C6 is connected in parallel with the eleventh resistor R11, and the battery voltage detection module 205 is configured to detect voltage information of the battery 103 and send the voltage information to the control module 201.
Optionally, the detection module further includes a charging indication module 208, where the charging indication module 208 is electrically connected to the control module 201, and the charging indication module 208 sends out a corresponding prompt according to the charging state of the thermometer 104.
Further, the charging indication module 208 obtains whether the relay socket 100 is in a charging state through the control module 201, and sends a corresponding indication through a two-color LED lamp, when the thermometer 104 charges on the relay socket 100, the two-color LED lamp flashes in red, and when the thermometer 104 is fully charged or works, the two-color LED lamp flashes in blue.
Optionally, the main circuit board 101 further includes a buzzer module 207, where the buzzer module 207 is electrically connected to the control module 201, and the buzzer module 207 is configured to send out a corresponding prompting sound according to the charging state of the relay socket 100.
Further, the buzzer module 207 is a passive electromagnetic buzzer, and is driven by an NPN type triode (S8085) to emit a corresponding prompting sound.
Optionally, a charging contact 1041 is disposed on the thermometer 104, a charging contact positive electrode 1025 and a charging contact negative electrode 1026 corresponding to the charging contact 1041 of the thermometer 104 are further disposed on the housing 102, and the thermometer 104 is electrically connected with the charging contact positive electrode 1025 and the charging contact negative electrode 1026 on the relay base 100 through the charging contact 1041, so as to realize charging of the thermometer 104.
Optionally, the housing 102 is further provided with a key 1024 and a slide switch 1023, and the control module 201 can respond to start the corresponding function by different triggering modes (such as clicking, double clicking, long clicking, etc.) of the key 1024; the slide switch 1023 is used as a main switch of the relay base 100 to control the on/off of the relay base 100, the battery 103 and the power supply interface 1022.
The relay socket 100 according to the embodiment of the utility model can display the electric quantity of the thermometer 104, the electric quantity of the battery 103 in the relay socket 100 and the working state of the relay socket 100 in real time when the thermometer 104 is charged on the relay socket 100, so that people can conveniently and rapidly acquire the electric quantity condition of the thermometer 104 when charged and judge whether the battery 103 of the relay socket 100 needs to be charged according to the electric quantity information of the battery 103 of the relay socket 100 displayed on the display device.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present utility model.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A relay socket for a thermometer, wherein the thermometer is charged through the relay socket, the relay socket comprising:
the main circuit board comprises a control module and a power supply module, wherein the power supply module is electrically connected with the control module, and the control module detects and controls the power supply module to charge the thermometer;
the battery is electrically connected with the main circuit board; and
the shell is provided with a power supply interface, the power supply interface is electrically connected with the main circuit board, and the main circuit board receives external current through the power supply interface;
the power supply module comprises a power supply module and a power supply switching module, wherein the power supply module is electrically connected with the control module, and the power supply module converts the current output by the battery or the power supply interface into stable power supply current; the power supply switching module is electrically connected with the power supply module, the battery and the power supply interface, the power supply switching module comprises a first field effect tube, the first field effect tube conducts the battery with the power supply module in a state that the power supply interface does not receive external current, and the first field effect tube disconnects the battery with the power supply module in a state that the power supply interface receives external current.
2. The relay holder according to claim 1, wherein a display device is further provided on the housing, and the display device is electrically connected to the control module, and is capable of displaying information on the electric quantity of the battery and information on the electric quantity of the thermometer when charged.
3. The relay of claim 2, wherein the power switching module further comprises a first resistor, a first schottky diode, and a first capacitor, wherein a first end of the first fet is electrically connected to the battery, a second end of the first fet is electrically connected to the power module, a control end of the first fet is electrically connected to the power interface, the first fet is a P-channel fet, a first node is provided between the control end of the first fet and the power interface, the first resistor is electrically connected to the first node and grounded, the power interface, the first schottky diode, a second node, and the power module are sequentially electrically connected, a first end of the first capacitor is electrically connected to the second node, and a second end of the first capacitor is grounded.
4. The repeater socket of claim 3, wherein the power module includes a second resistor, a third resistor, a second schottky diode, a second capacitor, a third capacitor, a fourth capacitor, and a power processor, a power terminal of the power processor is connected to the second node, a first terminal of the power processor is electrically connected to a first terminal of the second capacitor, a second terminal of the power processor is electrically connected to a second terminal of the second capacitor, an enable terminal of the power processor is electrically connected to a second terminal of the first field effect transistor, a voltage output terminal of the power processor outputs a voltage outwards, a ground terminal of the power processor is grounded, a first terminal of the third capacitor is electrically connected to a power terminal of the power processor, a second terminal of the third capacitor is grounded, a voltage output terminal of the power processor, a third node, a third resistor, and a second schottky diode are sequentially electrically connected, the second resistor is electrically connected to the third resistor in parallel with the second terminal of the third resistor, and the fourth terminal of the fourth capacitor is electrically connected to the fourth node.
5. The repeater station of claim 3, wherein said power module further comprises:
the detection module is electrically connected with the control module and the battery, and detects the running state of the main circuit board.
6. The relay station of claim 5, wherein the detection module comprises:
the power supply detection module is electrically connected with the control module and the power supply interface, detects the potential of the power supply interface to obtain potential information, and generates power supply information according to the potential information and controls the display device to display the power supply information.
7. The relay socket of claim 6, wherein the power supply detection module comprises a fourth resistor and a fifth resistor, the first node, the fourth resistor, the fourth node and the fifth resistor are electrically connected in sequence, the second end of the fifth resistor is grounded, the fourth node is electrically connected with the control module, the power supply detection module transmits a low-level signal to the control module in a state that the power supply interface does not receive external current, and the power supply detection module transmits a high-level signal to the control module in a state that the power supply interface receives external current.
8. The relay station of claim 5, wherein the detection module further comprises:
the charging detection module is electrically connected with the control module and comprises a second field effect tube, a fifth capacitor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor and a tenth resistor, wherein the first end of the second field effect tube is grounded, the second end of the second field effect tube is electrically connected with the control module, the control end of the second field effect tube, the seventh resistor, the eighth resistor and the thermometer detection end are electrically connected in sequence, the second field effect tube is an N-channel field effect tube, a fifth node is arranged between the second end of the second field effect tube and the control module, the first end of the ninth resistor is electrically connected with the fifth node, the second end of the ninth resistor is electrically connected with a power voltage end of the control module, the first end of the tenth resistor is electrically connected with the fifth node, the second end of the tenth resistor is electrically connected with a charging state end of the control module, a fifth node is electrically connected between the second end of the second field effect tube and the sixth resistor, a sixth node is electrically connected between the second end of the seventh resistor and the sixth resistor, and the sixth node is electrically connected with the sixth resistor;
the second field effect transistor generates a signal to be charged when the electric quantity of the thermometer is insufficient, the control module generates information to be charged according to the signal to be charged and controls the display device to display the information to be charged, the second field effect transistor generates a full charge electric signal when the electric quantity of the thermometer is full, and the control module generates full charge information according to the full charge electric signal and controls the display device to display the full charge information.
9. The relay station of claim 5, wherein the detection module further comprises:
the battery voltage detection module comprises an eleventh resistor, a twelfth resistor and a sixth capacitor, a seventh node is arranged between the eleventh resistor and the twelfth resistor, a first end of the twelfth resistor is electrically connected with the battery, a second end of the twelfth resistor is electrically connected with the seventh node, a first end of the eleventh resistor is electrically connected with the control module through the seventh node, a second end of the eleventh resistor is grounded, the sixth capacitor is connected with the eleventh resistor in parallel, and the battery voltage detection module is used for detecting voltage information of the battery and sending the voltage information to the control module.
10. The relay station of claim 5, wherein the display device is a display screen and/or an indicator light, and the detection module further comprises:
the charging indication module is electrically connected with the control module, and the charging indication module sends out a corresponding prompt according to the charging state of the thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526008.6U CN219611384U (en) | 2023-03-16 | 2023-03-16 | Relay base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320526008.6U CN219611384U (en) | 2023-03-16 | 2023-03-16 | Relay base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611384U true CN219611384U (en) | 2023-08-29 |
Family
ID=87742762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320526008.6U Active CN219611384U (en) | 2023-03-16 | 2023-03-16 | Relay base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611384U (en) |
-
2023
- 2023-03-16 CN CN202320526008.6U patent/CN219611384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105869357A (en) | Soaking alarm device and system | |
| CN109413532A (en) | A kind of charging bluetooth earphone circuit and bluetooth headset | |
| CN219611384U (en) | Relay base | |
| CN210042315U (en) | Control circuit board, control chip and control system | |
| CN101697410B (en) | Short-circuit protection circuit adopted in battery charger circuit | |
| CN207540594U (en) | A kind of air quality detection system | |
| CN112290633B (en) | Circuit and method for indicating power supply by using double-color light-emitting diode and oximeter | |
| CN110994288B (en) | Inside conversion module of USBType-C high-speed data line, data line and adapter | |
| CN217689317U (en) | Electric quantity display circuit and bluetooth sound equipment | |
| CN218526122U (en) | Charging identification circuit and circuit board | |
| CN103841711B (en) | A kind of LED emergence lighting lamp and drive circuit thereof | |
| CN209881460U (en) | Charging indicating circuit and mobile terminal | |
| CN214479716U (en) | Charging control circuit of mobile phone test fixture | |
| CN218830714U (en) | Deep ultraviolet LED constant current drive circuit based on lithium battery power supply | |
| CN205319729U (en) | Double -colored LED instructs device of state | |
| CN210204708U (en) | Pulse and blood pressure measuring device | |
| CN212456361U (en) | Paging lamp | |
| CN208422031U (en) | Flash for prompting device and electronic equipment | |
| CN218565356U (en) | Emergency lamp and control circuit thereof | |
| CN208986631U (en) | A kind of moving charging control circuit | |
| CN213522445U (en) | Ultra-low static power consumption circuit for mobile lighting equipment | |
| CN218277205U (en) | Desk lamp control circuit of overlength standby | |
| CN211183440U (en) | Circuit with synchronous cell-phone electric quantity function of demonstration | |
| CN219351733U (en) | Interphone circuit with functions of charging and soft shutdown and interphone | |
| CN215344026U (en) | Charging port protection circuit of seat charger and seat charger thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |