Wireless wake-up device based on near field communication and monitoring equipment

Abstract

The utility model discloses a wireless wake-up device and monitoring equipment based on near field communication, the device comprises a near field communication induction circuit, a voltage conversion circuit and a master control circuit, the near field communication induction circuit is used for carrying out power supply control on the voltage conversion circuit after receiving a wake-up signal, and the master control circuit is used for receiving the wake-up signal. The voltage conversion circuit is used for converting the received voltage and initially supplying power to the main control circuit and the near field communication induction circuit according to the obtained target voltage; and the master control circuit is used for performing decryption communication with the near field communication induction circuit in the initial power supply process, and after decryption succeeds, switching from a shutdown state to a working state based on the target voltage, so that the operation power consumption of the whole monitoring equipment can be effectively reduced by performing intelligent wireless awakening on the master control circuit, and the power consumption of the whole monitoring equipment can be effectively reduced. And the signal anti-interference performance of the whole monitoring equipment can be improved through the near field communication technology, so that the wireless wake-up reliability, accuracy and timeliness of the monitoring equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless wake-up circuits, and in particular to a wireless wake-up device and monitoring equipment based on near field communication. Background Art

[0002] In order to enable the existing glucose monitoring equipment to meet the long-term storage and working requirements, wireless wake-up control is generally performed on the glucose monitoring equipment. In the current wireless wake-up control technology, the commonly used ones are the magnet Hall wake-up control circuit and the sensor wake-up control circuit, and both have the advantages of simple circuit and long storage time. However, further practice has found that the existing wireless wake-up control circuit is difficult to use in a strong magnetic or strong electromagnetic wave environment, and the MCU chip in the circuit is actually always in a working state that requires energy consumption, and the whole machine is not completely shut down, which is not conducive to the normal operation and power consumption reduction of the glucose monitoring equipment. It can be seen that it is particularly important to provide a circuit wireless wake-up technology solution with low power consumption and strong anti-interference ability. Utility Model Content

[0003] In view of this, the problem to be solved by the utility model is to provide a wireless wake-up device based on near-field communication, which can not only effectively reduce the operating power consumption of the overall monitoring equipment, but also improve the signal anti-interference ability of the overall monitoring equipment through near-field communication technology, thereby improving the wireless wake-up reliability, accuracy and timeliness of the monitoring equipment.

[0004] In order to solve the above technical problems, the first aspect of the utility model discloses a wireless wake-up device based on near field communication, wherein the wireless wake-up device includes a near field communication sensing circuit, a voltage conversion circuit and a main control circuit, wherein:

[0005] The first power supply terminal of the near field communication sensing circuit and the second power supply terminal of the voltage conversion circuit are both used to electrically connect to the power supply terminal of the power supply circuit, and the enabling terminal of the near field communication sensing circuit is electrically connected to the power supply controlled terminal of the voltage conversion circuit;

[0006] The power output terminal of the voltage conversion circuit is electrically connected to the third power terminal of the near field communication sensing circuit and the fourth power terminal of the main control circuit, and the communication terminal of the near field communication sensing circuit is electrically connected to the communication terminal of the main control circuit;

[0007] The enabling terminal of the main control circuit is electrically connected to the power supply controlled terminal of the voltage conversion circuit;

[0008] The near field communication sensing circuit is used to perform a power supply control operation on the voltage conversion circuit according to the wake-up signal when the main control circuit is in a shutdown state and receives a wake-up signal sent by a wake-up request device;

[0009] The voltage conversion circuit is used to perform a target conversion operation on the voltage received from the power supply circuit to obtain a target voltage during the process of the near field communication sensing circuit performing the power supply control operation, and perform an initial power supply operation on the main control circuit and the near field communication sensing circuit according to the target voltage, so that the main control circuit and the near field communication sensing circuit perform a communication operation;

[0010] The main control circuit is used to receive the communication decryption information sent by the near field communication sensing circuit during the execution of the communication operation, and determine whether the communication decryption information matches the preset decryption information, and if so, send a power lock signal to the voltage conversion circuit;

[0011] The voltage conversion circuit is further used to perform a target power supply operation on the main control circuit according to the target voltage when receiving the power lock signal, so that the main control circuit is converted from the shutdown state to the working state.

[0012] As an optional implementation, in the first aspect of the utility model, the near field communication sensing circuit includes a communication frequency adjustment module and a communication control module, wherein:

[0013] The transmission end of the communication frequency adjustment module is electrically connected to the receiving end of the communication control module;

[0014] The first power supply terminal of the communication control module is used to electrically connect to the power supply terminal of the power supply circuit, and the enable terminal of the communication control module is electrically connected to the power supply controlled terminal of the voltage conversion circuit;

[0015] The third power supply terminal of the communication control module is electrically connected to the power supply output terminal of the voltage conversion circuit, and the communication terminal of the communication control module is electrically connected to the communication terminal of the main control circuit;

[0016] The communication frequency adjustment module is used for, when the main control circuit is in a shutdown state and when receiving a wake-up signal sent by a wake-up demand device, performing a frequency adjustment operation on the wake-up signal to obtain an adjusted wake-up signal, and transmitting the adjusted wake-up signal to the communication control module;

[0017] The communication control module is used to perform a power supply control operation on the voltage conversion circuit according to the adjusted wake-up signal.

[0018] As an optional implementation, in the first aspect of the utility model, the voltage conversion circuit, wherein:

[0019] The second power supply end of the voltage conversion module is used to electrically connect to the power supply end of the power supply circuit, and the power supply controlled end of the voltage conversion module is electrically connected to the enable end of the communication control module and the enable end of the main control circuit;

[0020] The voltage output terminal of the voltage conversion module is electrically connected to the third power supply terminal of the communication control module and the fourth power supply terminal of the main control circuit, and the grounding terminal of the voltage conversion module is used for grounding.

[0021] As an optional implementation, in the first aspect of the utility model, the near field communication sensing circuit further includes a first electrical signal control module, wherein:

[0022] The input end of the first electrical signal control module is electrically connected to the enable end of the communication control module, and the output end of the first electrical signal control module is electrically connected to the power controlled end of the voltage conversion module.

[0023] As an optional implementation, in the first aspect of the utility model, the main control circuit includes a main control module and a second electrical signal control module, wherein:

[0024] The fourth power supply terminal of the main control module is electrically connected to the power output terminal of the voltage conversion module, the communication terminal of the main control module is electrically connected to the communication terminal of the communication control module, the enable terminal of the main control module is electrically connected to the input terminal of the second electrical signal control module, and the output terminal of the second electrical signal control module is electrically connected to the power controlled terminal of the voltage conversion module.

[0025] As an optional implementation, in the first aspect of the utility model, the voltage conversion circuit further includes an enabling filter module, wherein:

[0026] The first end of the enabling filter module is electrically connected to the output end of the first electrical signal control module and the output end of the second electrical signal control module, the second end of the enabling filter module is electrically connected to the power controlled end of the voltage conversion module, and the ground end of the enabling filter module is electrically connected to the ground end of the voltage conversion module and is used for grounding.

[0027] As an optional implementation, in the first aspect of the utility model, the voltage conversion circuit further includes an input filtering module, wherein:

[0028] The first end of the input filter module is used to electrically connect to the power supply end of the power supply circuit, the second end of the input filter module is electrically connected to the second power supply end of the voltage conversion module, and the ground end of the input filter module is used for grounding.

[0029] As an optional implementation, in the first aspect of the utility model, the voltage conversion circuit further includes an output filtering module, wherein:

[0030] The first end of the output filter module is electrically connected to the power output end of the voltage conversion module, and the second end of the output filter module is electrically connected to the ground end of the voltage conversion module.

[0031] As an optional implementation, in the first aspect of the utility model, the first electrical signal control module includes a first diode, wherein:

[0032] The anode of the first diode is electrically connected to the enable terminal of the communication control module, and the cathode of the first diode is electrically connected to the first terminal of the enable filter module;

[0033] The second electrical signal control module includes a second diode, wherein:

[0034] The anode of the second diode is electrically connected to the enable terminal of the main control module, and the cathode of the second diode is electrically connected to the first terminal of the enable filter module.

[0035] A second aspect of the utility model discloses a monitoring device, which includes any wireless wake-up device based on near field communication as disclosed in the first aspect.

[0036] The implementation of this utility model has the following beneficial effects:

[0037] The utility model provides a wireless wake-up device based on near field communication, which includes a near field communication sensing circuit, a voltage conversion circuit and a main control circuit, wherein the near field communication sensing circuit is used to control the power supply of the voltage conversion circuit after receiving a wake-up signal, so that the voltage conversion circuit converts the received voltage, and performs initial power supply to the main control circuit and the near field communication sensing circuit according to the obtained target voltage; the main control circuit is used to perform decryption communication with the near field communication sensing circuit during the initial power supply process, and after the decryption is successful, it is converted from a shutdown state to a working state based on the target voltage. In this way, by performing intelligent wireless wake-up on the main control circuit, not only can the operating power consumption of the overall monitoring equipment be effectively reduced, but also the signal anti-interference performance of the overall monitoring equipment can be improved through the near field communication technology, thereby improving the reliability, accuracy and timeliness of the wireless wake-up of the monitoring equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0039] Figure 1It is a structural schematic diagram of a wireless wake-up device based on near field communication disclosed in an embodiment of the utility model;

[0040] Figure 2 It is a structural schematic diagram of another wireless wake-up device based on near field communication disclosed in an embodiment of the utility model;

[0041] Figure 3 It is a structural schematic diagram of another wireless wake-up device based on near field communication disclosed in an embodiment of the utility model;

[0042] Figure 4 It is a structural schematic diagram of a monitoring device disclosed in an embodiment of the utility model. DETAILED DESCRIPTION

[0043] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] It should be noted that, unless otherwise clearly specified and limited, the term "electrical connection" in the specification and claims of the utility model and the above-mentioned drawings should be understood in a broad sense. For example, it can be a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can be a mechanical electrical connection, an electrical electrical connection, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. In addition, the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. The terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0045] Embodiment 1

[0046] See also Figure 1 , Figure 1 This is a schematic diagram of the structure of a wireless wake-up device based on near field communication disclosed in an embodiment of the utility model. The device can be applied to any physiological parameter monitoring device that requires intelligent wireless wake-up, such as glucose monitoring equipment, blood pressure monitoring equipment, respiratory monitoring equipment, heart rate monitoring equipment, etc., and the embodiment of the utility model does not limit it. Figure 1As shown, the wireless wake-up device based on near field communication includes a near field communication sensing circuit 101, a voltage conversion circuit 102 and a main control circuit 103, wherein:

[0047] The first power supply terminal of the near field communication sensing circuit 101 and the second power supply terminal of the voltage conversion circuit 102 are both used to electrically connect to the power supply terminal of the power supply circuit 104, and the enable terminal of the near field communication sensing circuit 101 is electrically connected to the power supply controlled terminal of the voltage conversion circuit 102;

[0048] The power output terminal of the voltage conversion circuit 102 is electrically connected to the third power terminal of the near field communication sensing circuit 101 and the fourth power terminal of the main control circuit 103, and the communication terminal of the near field communication sensing circuit 101 is electrically connected to the communication terminal of the main control circuit 103;

[0049] The enable terminal of the main control circuit 103 is electrically connected to the power controlled terminal of the voltage conversion circuit 102;

[0050] The near field communication sensing circuit 101 is used to perform a power supply control operation on the voltage conversion circuit 102 according to the wake-up signal when the main control circuit 103 is in a shutdown state and when a wake-up signal sent by the wake-up request device 105 is received;

[0051] The voltage conversion circuit 102 is used to perform a target conversion operation on the voltage received from the power supply circuit 104 to obtain a target voltage during the power supply control operation of the near field communication sensing circuit 101, and perform an initial power supply operation on the main control circuit 103 and the near field communication sensing circuit 101 according to the target voltage, so that the main control circuit 103 and the near field communication sensing circuit 101 can perform a communication operation;

[0052] The main control circuit 103 is used to receive the communication decryption information sent by the near field communication sensing circuit 101 during the communication operation, and determine whether the communication decryption information matches the preset decryption information. If so, send a power lock signal to the voltage conversion circuit 102;

[0053] The voltage conversion circuit 102 is also used to perform a target power supply operation on the main control circuit 103 according to a target voltage when receiving a power lock signal, so as to convert the main control circuit 103 from a shutdown state to a working state.

[0054] In an embodiment of the utility model, when the near field communication sensing circuit 101 in the device does not receive the wake-up signal, all components in the device are in a non-working state. Optionally, receiving the wake-up signal sent by the wake-up requirement device 105 can be understood as receiving a radio frequency signal for wireless wake-up sent by the user himself through a smart phone, smart controller, etc., or can be understood as receiving a radio frequency signal for wireless wake-up sent by a smart phone, server, etc. through a timed wake-up event or other wake-up event determination process. Further optionally, the receiving distance of the wake-up signal can be within 10 cm, or other distances; and the transmission rate of the wake-up signal can be 106, 212, 424 kbit / s, or other transmission rates; and the operating frequency of the wake-up signal can be 13.56 MHz, or other operating frequencies. Further optionally, the communication decryption information can be understood as the authentication information of the corresponding program, or as the user's usage permission information, etc., that is, judging whether the communication decryption information matches the preset decryption information can be understood as judging whether the received authentication information of the corresponding program matches the preset authentication information, or judging whether the received user's usage permission information meets the preset usage permission information, etc.

[0055] Furthermore, the voltage conversion circuit 102 initially powers the main control circuit 103 and the near-field communication sensing circuit 101 with the target voltage, which can be understood as the main control circuit 103 and the near-field communication sensing circuit 101 first perform decryption communication operations under the power supply of the target voltage. At this time, in the main control circuit 103, the power port for receiving the target voltage when in the working state is still in a disconnected state, that is, the main control circuit 103 as a whole is still in a shutdown state.

[0056] It can be seen that implementation Figure 1 The described wireless wake-up device based on near-field communication can perform intelligent wireless wake-up of the main control circuit, which can not only effectively reduce the operating power consumption of the overall monitoring equipment, but also improve the signal anti-interference ability of the overall monitoring equipment through near-field communication technology. It can be used in a strong magnetic or strong electromagnetic wave environment, thereby improving the reliability, accuracy and timeliness of the wireless wake-up of the monitoring equipment.

[0057] In an optional embodiment, if Figure 2 As shown, Figure 2 FIG. 1 is a schematic diagram of another structure of a wireless wake-up device based on near field communication disclosed in an embodiment of the utility model. Figure 2 As shown, the near field communication sensing circuit 101 includes a communication frequency adjustment module and a communication control module, wherein:

[0058] The transmission end of the communication frequency adjustment module is electrically connected to the receiving end of the communication control module;

[0059] The first power supply terminal of the communication control module is used to electrically connect to the power supply terminal of the power supply circuit 104, and the enable terminal of the communication control module is electrically connected to the power supply controlled terminal of the voltage conversion circuit 102;

[0060] The third power supply terminal of the communication control module is electrically connected to the power supply output terminal of the voltage conversion circuit 102, and the communication terminal of the communication control module is electrically connected to the communication terminal of the main control circuit 103;

[0061] A communication frequency adjustment module, for, when the main control circuit 103 is in a shutdown state and when receiving a wake-up signal sent by the wake-up demand device 105, performing a frequency adjustment operation on the wake-up signal to obtain an adjusted wake-up signal, and transmitting the adjusted wake-up signal to the communication control module;

[0062] The communication control module is used to perform a power supply control operation on the voltage conversion circuit 102 according to the adjusted wake-up signal.

[0063] In this optional embodiment, optionally, the communication control module may include: Figure 2 The NFC tag chip U2 may further include protection devices corresponding to the NFC tag chip U2, such as current limiting resistors, voltage regulators, diodes for controlling signal flow, etc. It should be noted that through the frequency adjustment of the communication frequency adjustment module, the communication control module will only generate an induced current under the influence of electromagnetic wave signals in a specific frequency band, that is, the adjusted wake-up signal, thereby achieving accurate wake-up and reducing false touches caused by environmental factors.

[0064] Furthermore, the communication frequency adjustment module may include a frequency adjustment inductor B1 and a frequency adjustment capacitor component C5 / C6, wherein:

[0065] A first end of the frequency adjustment inductor B1 is electrically connected to a first end of the frequency adjustment capacitor component C5 / C6, and a first end of the frequency adjustment capacitor component C5 / C6 is electrically connected to a first receiving end AC0 of the communication control module;

[0066] The second end of the frequency adjustment inductor B1 is electrically connected to the second end of the frequency adjustment capacitor component C5 / C6, and the second end of the frequency adjustment capacitor component C5 / C6 is electrically connected to the second receiving end AC1 of the communication control module.

[0067] In this optional embodiment, the frequency adjustment inductor B1 and the frequency adjustment capacitor component C5 / C6 can be replaced by other devices or components that can play the same frequency adjustment role.

[0068] Furthermore, the voltage conversion circuit 102 includes a voltage conversion module, wherein:

[0069] The second power supply end of the voltage conversion module is used to electrically connect to the power supply end of the power supply circuit 104, and the power supply controlled end of the voltage conversion module is electrically connected to the enable end of the communication control module and the enable end of the main control circuit 103;

[0070] The voltage output terminal of the voltage conversion module is electrically connected to the third power terminal of the communication control module and the fourth power terminal of the main control circuit 103, and the ground terminal of the voltage conversion module is used for grounding.

[0071] In this optional embodiment, optionally, the voltage conversion module may include: Figure 2 The DCDC chip U1 and the resistors R1 / R3 connected in series (wherein the specific structures of R1 and R3 are not limited to a single resistor, multiple resistors in series or multiple resistors in parallel) may further include protection devices corresponding to the DCDC chip U1, such as a current limiting resistor, a voltage regulator, a diode for controlling the signal flow direction, and the like.

[0072] Furthermore, the near field communication sensing circuit 101 further includes a first electrical signal control module, wherein:

[0073] The input end of the first electric signal control module is electrically connected to the enable end of the communication control module, and the output end of the first electric signal control module is electrically connected to the power controlled end of the voltage conversion module.

[0074] Furthermore, the main control circuit 103 includes a main control module and a second electrical signal control module, wherein:

[0075] The fourth power supply terminal of the main control module is electrically connected to the power output terminal of the voltage conversion module, the communication terminal of the main control module is electrically connected to the communication terminal of the communication control module, the enable terminal of the main control module is electrically connected to the input terminal of the second electrical signal control module, and the output terminal of the second electrical signal control module is electrically connected to the power controlled terminal of the voltage conversion module.

[0076] In this optional embodiment, optionally, the main control module may include: Figure 2 The MCU chip U3 may further include protection devices corresponding to the MCU chip U3, such as a current limiting resistor, a voltage regulator, a diode for controlling the signal flow direction, and the like.

[0077] It can be seen that implementation Figure 2The described wireless wake-up device based on near-field communication can improve the overall applicability of the wireless wake-up device by selectively constructing corresponding protection devices, flexibly constructing a communication frequency adjustment module, and flexibly constructing a voltage conversion module, etc., thereby improving the wake-up reliability and accuracy of the wireless wake-up device, so that the main control circuit can be put into working state in time to perform corresponding operations or provide user operations; at the same time, through the frequency adjustment of the communication frequency adjustment module, the communication control module can send the adjusted wake-up signal only under the influence of a specific electromagnetic wave signal, thereby improving the wake-up trigger accuracy and effectiveness of the wireless wake-up device.

[0078] In another optional embodiment, Figure 2 As shown, the voltage conversion circuit 102 further includes an enabling filter module, wherein:

[0079] The first end of the enabling filter module is electrically connected to the output end of the first electrical signal control module and the output end of the second electrical signal control module, the second end of the enabling filter module is electrically connected to the power controlled end of the voltage conversion module, and the ground end of the enabling filter module is electrically connected to the ground end of the voltage conversion module and is used for grounding.

[0080] In this optional embodiment, further, the first electrical signal control module includes a first diode D1, wherein:

[0081] The anode of the first diode D1 is electrically connected to the enable terminal of the communication control module, and the cathode of the first diode D1 is electrically connected to the first terminal of the enable filter module;

[0082] The second electrical signal control module includes a second diode D2, wherein:

[0083] The anode of the second diode D2 is electrically connected to the enable end of the main control module, and the cathode of the second diode D2 is electrically connected to the first end of the enable filter module.

[0084] In this optional embodiment, the first diode D1 and the second diode D2 can be optionally replaced by other devices or components that can play the same electrical signal control role.

[0085] Furthermore, the enabling filter module includes a low-pass filter resistor R2 and a low-pass filter capacitor C4, wherein:

[0086] A first end of the low-pass filter resistor R2 is electrically connected to the cathode of the first diode D1 and the cathode of the second diode D2, and a second end of the low-pass filter resistor R2 is electrically connected to a first end of the low-pass filter capacitor C4 and a power controlled end of the voltage conversion module;

[0087] A second end of the low-pass filter capacitor C4 is electrically connected to the ground end of the voltage conversion module and is used for grounding.

[0088] Furthermore, the voltage conversion circuit 102 further includes an input filtering module, wherein:

[0089] The first end of the input filter module is used to electrically connect to the power supply end of the power supply circuit 104, the second end of the input filter module is electrically connected to the second power supply end of the voltage conversion module, and the ground end of the input filter module is used for grounding.

[0090] In this optional embodiment, the input filter module includes an input filter inductor L1 and an input filter capacitor C1 (the input filter inductor L1 and the input filter capacitor C1 can be replaced by other devices or components that can play an equivalent input filter role), wherein:

[0091] The first end of the input filter capacitor C1 is used to electrically connect to the power supply end of the power supply circuit 104 and to electrically connect to the first end of the input filter inductor L1. The second end of the input filter inductor L1 is electrically connected to the second power supply end of the voltage conversion module. The second end of the input filter capacitor C1 is used to ground.

[0092] Furthermore, the voltage conversion circuit 102 further includes an output filtering module, wherein:

[0093] A first end of the output filter module is electrically connected to a power output end of the voltage conversion module, and a second end of the output filter module is electrically connected to a ground end of the voltage conversion module.

[0094] In this optional embodiment, the output filter module may include a single output filter capacitor or a plurality of output filter capacitors connected in parallel (eg Figure 2 in (C2 / C3).

[0095] It can be seen that implementation Figure 2 The described wireless wake-up device based on near-field communication can select appropriate components according to the actual conditions of each component. It can not only play an intelligent wireless wake-up role for the overall monitoring equipment, simplify the conventional circuit structure in the monitoring equipment, and reduce the overall circuit cost of the monitoring equipment, but also improve the transmission reliability and accuracy of the signal in the corresponding circuit through each filtering module, thereby ensuring the safety of the corresponding circuit.

[0096] In summary, if Figure 3 As shown, the working principle of a wireless wake-up device based on near field communication in an embodiment of the utility model is as follows:

[0097] When the user needs to wirelessly wake up the glucose monitoring device, the user uses the NFC (near field communication technology) function on the smartphone to sense the near field communication sensing circuit of the wireless wake-up device in the glucose monitoring device (i.e., sends a wake-up signal to the near field communication sensing circuit). Then, when the signal frequency band is adapted, the communication control module (with an NFC coil integrated inside) in the near field communication sensing circuit generates an induced current and then sends the adjusted wake-up signal to the voltage conversion circuit (which can be understood as the near field communication sensing circuit controlling the power supply of the power supply 2 switch of the voltage conversion circuit). At this time, the voltage conversion circuit converts the voltage obtained from the battery to obtain the target voltage, and outputs the target voltage to the near field communication sensing circuit and the main control circuit through the power supply 2 output port. Then, the near field communication sensing circuit and the main control circuit perform decryption communication through the communication port I2C_SDA / I2C_SCK under the initial power supply of the target voltage. For example, the near field communication sensing circuit transmits the program authentication information sent by the user to the main control circuit, so that the main control circuit determines whether it matches the preset authentication information according to the program authentication information. If so, that is, the program used by the user has the wireless wake-up condition, so that the main control circuit sends a power lock signal to the voltage conversion circuit through its own switch control, so that the voltage conversion circuit performs the target power supply operation to the main control circuit with the target voltage, thereby realizing the process of converting the main control circuit from the shutdown state to the working state.

[0098] Embodiment 2

[0099] See also Figure 4 , Figure 4 It is a schematic diagram of the structure of a monitoring device disclosed in an embodiment of the utility model. The monitoring device includes any wireless wake-up device based on near-field communication as in Embodiment 1. The monitoring device can be a physiological parameter monitoring device such as a glucose monitoring device, a blood pressure monitoring device, a respiratory monitoring device, a heartbeat monitoring device, etc., which is not limited in the embodiment of the utility model. It should be noted that for a detailed description of a wireless wake-up device based on near-field communication, please refer to the specific description of the relevant content in Embodiment 1, which will not be repeated in this embodiment.

[0100] It can be seen that implementation Figure 4 The monitoring device described can not only achieve low power consumption through the intelligent wireless wake-up function of the wireless wake-up device, but also achieve strong signal anti-interference capability through near-field communication technology, reduce the occurrence of false touches, and can be used in strong magnetic or strong electromagnetic wave environments, thereby improving the applicability of the device; at the same time, through decryption communication technology, the safety of the device is also improved.

[0101] The above is a detailed introduction to a wireless wake-up device and monitoring equipment based on near field communication disclosed in an embodiment of the utility model. The principle and implementation method of the utility model are explained in this article using specific embodiments, but the above preferred embodiments are not used to limit the utility model. The description of the above embodiments is only used to help understand the method of the utility model and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the utility model, without departing from the spirit and scope of the utility model, there will be changes in the specific implementation method and application scope. Therefore, the scope of protection of the utility model is defined by the claims.

Claims

1. A wireless wake-up device based on near field communication, characterized in that: The wireless wake-up device includes a near field communication sensing circuit, a voltage conversion circuit and a main control circuit, wherein: The first power supply terminal of the near field communication sensing circuit and the second power supply terminal of the voltage conversion circuit are both used to electrically connect to the power supply terminal of the power supply circuit, and the enabling terminal of the near field communication sensing circuit is electrically connected to the power supply controlled terminal of the voltage conversion circuit; The power output terminal of the voltage conversion circuit is electrically connected to the third power terminal of the near field communication sensing circuit and the fourth power terminal of the main control circuit, and the communication terminal of the near field communication sensing circuit is electrically connected to the communication terminal of the main control circuit; The enabling terminal of the main control circuit is electrically connected to the power supply controlled terminal of the voltage conversion circuit; The near field communication sensing circuit is used to perform a power supply control operation on the voltage conversion circuit according to the wake-up signal when the main control circuit is in a shutdown state and receives a wake-up signal sent by a wake-up request device; The voltage conversion circuit is used to perform a target conversion operation on the voltage received from the power supply circuit to obtain a target voltage during the process of the near field communication sensing circuit performing the power supply control operation, and perform an initial power supply operation on the main control circuit and the near field communication sensing circuit according to the target voltage, so that the main control circuit and the near field communication sensing circuit perform a communication operation; The main control circuit is used to receive the communication decryption information sent by the near field communication sensing circuit during the execution of the communication operation, and determine whether the communication decryption information matches the preset decryption information, and if so, send a power lock signal to the voltage conversion circuit; The voltage conversion circuit is further used to perform a target power supply operation on the main control circuit according to the target voltage when receiving the power lock signal, so that the main control circuit is converted from the shutdown state to the working state.

2. The wireless wake-up device based on near field communication according to claim 1, characterized in that: The near field communication sensing circuit includes a communication frequency adjustment module and a communication control module, wherein: The transmission end of the communication frequency adjustment module is electrically connected to the receiving end of the communication control module; The first power supply terminal of the communication control module is used to electrically connect to the power supply terminal of the power supply circuit, and the enable terminal of the communication control module is electrically connected to the power supply controlled terminal of the voltage conversion circuit; The third power supply terminal of the communication control module is electrically connected to the power supply output terminal of the voltage conversion circuit, and the communication terminal of the communication control module is electrically connected to the communication terminal of the main control circuit; The communication frequency adjustment module is used for, when the main control circuit is in a shutdown state and when receiving a wake-up signal sent by a wake-up demand device, performing a frequency adjustment operation on the wake-up signal to obtain an adjusted wake-up signal, and transmitting the adjusted wake-up signal to the communication control module; The communication control module is used to perform a power supply control operation on the voltage conversion circuit according to the adjusted wake-up signal.

3. The wireless wake-up device based on near field communication according to claim 2, characterized in that: The voltage conversion circuit comprises a voltage conversion module, wherein: The second power supply end of the voltage conversion module is used to electrically connect to the power supply end of the power supply circuit, and the power supply controlled end of the voltage conversion module is electrically connected to the enable end of the communication control module and the enable end of the main control circuit; The voltage output terminal of the voltage conversion module is electrically connected to the third power supply terminal of the communication control module and the fourth power supply terminal of the main control circuit, and the grounding terminal of the voltage conversion module is used for grounding.

4. The wireless wake-up device based on near field communication according to claim 3, characterized in that: The near field communication sensing circuit further includes a first electrical signal control module, wherein: The input end of the first electrical signal control module is electrically connected to the enable end of the communication control module, and the output end of the first electrical signal control module is electrically connected to the power controlled end of the voltage conversion module.

5. The wireless wake-up device based on near field communication according to claim 4, characterized in that: The main control circuit includes a main control module and a second electrical signal control module, wherein: The fourth power supply terminal of the main control module is electrically connected to the power output terminal of the voltage conversion module, the communication terminal of the main control module is electrically connected to the communication terminal of the communication control module, the enable terminal of the main control module is electrically connected to the input terminal of the second electrical signal control module, and the output terminal of the second electrical signal control module is electrically connected to the power controlled terminal of the voltage conversion module.

6. The wireless wake-up device based on near field communication according to claim 5, characterized in that: The voltage conversion circuit further includes an enabling filter module, wherein: The first end of the enabling filter module is electrically connected to the output end of the first electrical signal control module and the output end of the second electrical signal control module, the second end of the enabling filter module is electrically connected to the power controlled end of the voltage conversion module, and the ground end of the enabling filter module is electrically connected to the ground end of the voltage conversion module and is used for grounding.

7. A wireless wake-up device based on near field communication according to any one of claims 3 to 6, characterized in that: The voltage conversion circuit also includes an input filter module, wherein: The first end of the input filter module is used to electrically connect to the power supply end of the power supply circuit, the second end of the input filter module is electrically connected to the second power supply end of the voltage conversion module, and the ground end of the input filter module is used for grounding.

8. A wireless wake-up device based on near field communication according to any one of claims 3 to 6, characterized in that: The voltage conversion circuit also includes an output filter module, wherein: The first end of the output filter module is electrically connected to the power output end of the voltage conversion module, and the second end of the output filter module is electrically connected to the ground end of the voltage conversion module.

9. The wireless wake-up device based on near field communication according to claim 6, characterized in that: The first electrical signal control module includes a first diode, wherein: The anode of the first diode is electrically connected to the enable terminal of the communication control module, and the cathode of the first diode is electrically connected to the first terminal of the enable filter module; The second electrical signal control module includes a second diode, wherein: The anode of the second diode is electrically connected to the enable terminal of the main control module, and the cathode of the second diode is electrically connected to the first terminal of the enable filter module.

10. A monitoring device, characterized in that: The monitoring device comprises a wireless wake-up device based on near field communication as described in any one of claims 1-9.

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