CN112076025A - Paper diaper alarm device and system - Google Patents
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
- A61F2013/424—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm having an electronic device
Abstract
The embodiment of the invention relates to a paper diaper alarm device and a system, wherein the paper diaper alarm device comprises a transmitter, and the transmitter comprises a detection unit, a first control processing unit and a first communication unit; the detection unit is used for outputting a voltage change value based on urine on the paper diaper; the first control processing unit is used for: determining the urine quantity value of the urine according to the voltage change value; generating first alarm information according to the urine volume value, and performing format conversion on the first alarm information in a preset data protocol format; the data protocol format sequentially comprises a serial number, equipment identification and first alarm information, wherein the serial number is a serial number obtained by sequencing at least one piece of first alarm information sent by the transmitter, and the equipment identification corresponds to the paper diapers one by one; acquiring second alarm information based on the converted first alarm information; and sending second alarm information through the first communication unit. Through the mode, data loss can be prevented in the alarm information transmission process.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a paper diaper alarm device and system.
Background
With the development of science and technology, people have higher and higher requirements on life quality and life convenience. In order to relieve the burden of people in the care of paralyzed old people or infants, paper diapers have been increasingly accepted and widely used. And in order to detect whether the paper diaper is wetted by urine and timely processing, then intelligent paper diaper has been had, it can send out the warning so that in time obtain handling when the paper diaper is wetted by urine, and this kind of intelligent paper diaper still is often used to the condition that many people used simultaneously, for example some endowment organizations, through wearing paper diaper for every disability incontinence old man, can in time handle for the old man when taking place to report to the police.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: when a plurality of devices are used simultaneously, a large number of devices may alarm simultaneously, and if data transmission process at this time generates collision and causes data loss, an alarm signal may be abnormal.
Disclosure of Invention
The embodiment of the invention mainly solves the technical problem of providing a paper diaper alarm device and system, and the invention can prevent data loss in the alarm information transmission process.
In a first aspect, an embodiment of the present invention provides a diaper alarm device, where the diaper alarm device includes a transmitter, where the transmitter includes a detection unit, a first control processing unit, and a first communication unit, and the first control processing unit is connected to the detection unit and the first communication unit, respectively;
the detection unit is used for outputting a voltage change value based on the urine on the paper diaper;
the first control processing unit is configured to:
determining the urine volume value of urine according to the voltage change value;
generating first alarm information according to the urine volume value, and performing format conversion on the first alarm information in a preset data protocol format to obtain second alarm information;
the data protocol format sequentially comprises a serial number, an equipment identifier and the first alarm information, wherein the serial number is a serial number obtained by sequencing at least one piece of the first alarm information sent by the transmitter, and the equipment identifier corresponds to the paper diapers one by one;
and sending the second alarm information through the first communication unit.
In some embodiments, the sending, by the first communication unit, the second alert information includes:
sending the second alarm information in a preset data sending format, wherein the preset data sending format comprises a data start bit, a data bit and a data end bit;
the data start bit is a low level lasting for a first preset time length and a high level lasting for a second preset time length;
and the data end bit is formed by lasting a third preset time length at a low level and lasting a fourth preset time length at a high level.
In some embodiments, the data bits include data bit 0 and data bit 1;
the data bit 0 is a low level lasting for a sixth preset time after a high level lasting for a fifth preset time;
and the data bit 1 is formed by lasting a seventh preset time length at a high level and lasting an eighth preset time length at a low level.
In some embodiments, the first control processing unit is further configured to:
and after the second alarm information is sent out, if the alarm is not processed at the end moment of the preset random waiting time, sending the second alarm information again.
In a second aspect, an embodiment of the present invention provides a diaper alarm system, which includes at least one diaper alarm device as described above, and the diaper alarm device transmits the second alarm information to a terminal through the diaper alarm system.
In some embodiments, the diaper alarm system further comprises at least one amplifier, wherein the amplifier is used for receiving the second alarm information and sending a third alarm information according to the second alarm information;
the amplifier comprises a second communication unit, a second control processing unit and a long-distance transmission unit, wherein the second control processing unit is respectively connected with the second communication unit and the long-distance transmission unit;
the second control processing unit is configured to:
receiving the second alarm information through the second communication unit;
generating third alarm information based on the second alarm information;
and sending the third alarm information through the remote transmission unit.
In some embodiments, the second control processing unit is further configured to:
after the second alarm information is received through the second communication unit, modifying the data start bit and the data end bit to generate third alarm information;
setting the modified data start bit as a data format with a low level lasting for a ninth preset time and a high level lasting for a tenth preset time;
and setting the modified data end bit into a data format with a low level lasting for an eleventh preset time and a high level lasting for a twelfth preset time.
In some embodiments, the second control processing unit is specifically configured to:
and sending the third alarm information after delaying preset random forwarding time.
In some embodiments, the diaper warning system further comprises:
a server;
the gateway comprises a third communication unit, a third control processing unit and a WIFI unit;
the third control processing unit is respectively connected with the third communication unit and the WIFI unit;
the third control processing unit is configured to:
receiving the second alarm information or the third alarm information through the third communication unit, processing the second alarm information or the third alarm information, and uploading the processed second alarm information or the processed third alarm information to the server through the WIFI unit;
and the server is used for sending the received second alarm information or the third alarm information to a terminal.
In some embodiments, the gateway further includes a storage unit, the storage unit is connected to the third control processing unit, and the storage unit is configured to receive and store the second alarm information or the third alarm information through the third control processing unit.
The invention provides a paper diaper alarm device, wherein a transmitter is arranged on the paper diaper alarm device, the transmitter comprises a detection unit, a first control processing unit and a first communication unit, a voltage change value is output through the detection unit based on urine on the paper diaper, alarm information is obtained through the first control processing unit according to the voltage change value, the alarm information is processed according to a preset data protocol format and then is sent through the first communication unit, wherein the data protocol format sequentially comprises a serial number, an equipment identification position and alarm information, when a plurality of paper diaper alarm devices send out the alarm information at the same time, the alarm information on which paper diaper can be distinguished according to the equipment identification position, and different alarm information sent by a single paper diaper alarm device can be distinguished according to the serial number, so that the different alarm information can be well distinguished when a plurality of paper diaper alarm devices send out the alarm information at the same time, data collision is not caused, and data loss is prevented.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram of an application scenario of a diaper alarm system provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a diaper alarm system provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control processing device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a diaper body according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a transmitter provided in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a circuit structure of a detecting unit according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a transmitter according to another embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a voltage stabilizing unit according to an embodiment of the present invention;
FIG. 9 is a flowchart illustrating a method for executing an alarm by the first control processing unit according to an embodiment of the present invention;
fig. 10a is a schematic structural diagram of a data protocol format provided by an embodiment of the present invention;
FIG. 10b is a diagram illustrating a structure of a data protocol format according to another embodiment of the present invention;
fig. 11 is a schematic circuit diagram of a first communication unit according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of an amplifier according to an embodiment of the present invention;
FIG. 13 is a flowchart illustrating a method for executing an alarm by the second control processing unit according to an embodiment of the present invention;
FIG. 14 is a diagram illustrating a start data bit and an end data bit according to an embodiment of the present invention;
fig. 15 is a schematic circuit diagram of a remote transmission unit according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a gateway provided in an embodiment of the present invention;
FIG. 17 is a flowchart illustrating a method for performing an alarm by a third processor according to an embodiment of the present invention;
fig. 18 is a schematic structural diagram of a gateway according to another embodiment of the present invention;
fig. 19 is a schematic circuit diagram of an indicator light unit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application provides a panty-shape diapers alarm system, and in this system, when a plurality of equipment reported to the police simultaneously, can not produce the data conflict in alarm data's transmission course to prevent losing of data, compare in prior art, the transmission course of data is stable, has improved the probability of correct warning, and transmission distance is also far away.
The diaper alarm system provided in the embodiment of the application can be applied to an application scene as shown in fig. 1, please refer to fig. 1, and fig. 1 is a schematic view of an application scene in which the diaper alarm system is installed in a certain room. As shown in fig. 1, a transmitter 10 is provided in a diaper alarm device worn by a user, an amplifier 20 is placed at any corner of a room, and data is received and transmitted between the transmitter 10 and the amplifier 20 in a wireless transmission manner. When the transmitter 10 detects that the accumulated amount of liquid on the diaper exceeds the standard, corresponding alarm information can be automatically generated, then the alarm information is sent according to a preset data sending format, the amplifier 20 receives the alarm information wirelessly, the alarm information is sent again after being processed by amplification and the like, then the alarm is processed by subsequent equipment or circuits and the like, for example, an alarm lamp circuit can be used, after the alarm information of the amplifier is received, light flickers or alarm sound is sent out, and for example, a computer or a mobile phone can be used for receiving the alarm information and displaying or analyzing the alarm information.
It is understood that if in a small room, the amplifier 20 may not be needed, and the alarm information sent by the transmitter 10 can be directly received by subsequent devices or circuits, etc.; in some application scenarios with multiple floors, such as an elderly people care organization, the arrangement of the whole floor can be realized by setting a plurality of amplifiers 20, and since each floor may have users wearing diapers with diaper alarm devices, alarm information of the diaper alarm devices located at different places is sent by the transmitter 10 and can be amplified by each amplifier 20 to realize remote transmission of the alarm information. The alarm condition of multiple persons can be monitored simultaneously, and measures such as processing the data of the alarm information and the like are adopted, so that the data cannot conflict in the transmission process, the data loss is avoided, and the alarm accuracy is improved.
Exemplarily, as shown in fig. 2, fig. 2 is a schematic diagram of a hardware structure of a possible diaper alarm system, as shown in fig. 2, the alarm information sent by the transmitter 10 is received by the amplifier 20, the amplifier 20 sends the received alarm information after processing and is received by the gateway 30, after receiving the alarm information sent by the amplifier 20, the gateway 30 processes the alarm information and uploads the processed alarm information to the server 40 through the WIFI circuit, the processed alarm information is pushed to the APP end by the server 40 to display the alarm information, and whether the alarm information exists or not can be monitored in real time through a mobile phone and the alarm can be processed in time. Certainly, when the space is less, can also need not to set up amplifier 20, by the alarm information that gateway 30 direct receipt transmitter 10 sent, the rethread WIFI circuit uploads to server 40, by server 40 propelling movement to APP end demonstration alarm information.
It should be understood that the hardware configuration of the diaper alarm system shown in fig. 2 is merely an example, and that the diaper alarm system may have more or fewer components than shown, may combine two or more components, or may have a different configuration of components, and that the various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software including one or more signal processing and/or application specific integrated circuits. For example, in some embodiments, the amplifier 20 may be directly integrated into the transmitter 10 or the amplifier 10 and the transmitter 20 may be disposed in the diaper alarm device at the same time, so that the alarm information sent by the transmitter 10 can be transmitted over a long distance; for another example, in other embodiments, the gateway 30 and the server 40 are replaced by a display screen capable of receiving wireless signals, the alarm information sent by the transmitter 10 or the amplifier 20 is received by using the display screen, and the alarm is displayed on the display screen; as another example, a plurality of amplifiers 20 may be provided to successively amplify the alarm signal to achieve greater transmission distances.
Fig. 3 is a schematic structural diagram of a control processing device according to an embodiment of the present application, please refer to fig. 3, where the control processing device includes at least one processor 51, a communication bus 52, a memory 53, and at least one communication interface 54.
The processor 51 may be a Central Processing Unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or may be one or more integrated circuits for controlling the execution of programs according to the present disclosure.
The communication bus 52 may include a path for communicating information between the aforementioned components.
The Memory 53 may be a Read-Only Memory (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an Electrically Erasable Programmable Read-Only Memory (EEPROM), a compact disc Read-Only Memory (CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these.
The memory 53 may be separate and connected to the processor 51 by a communication bus 52. The memory 53 may also be integrated with the processor 51. The communication interface 54 may be any device such as a transceiver for communicating with other devices or communication networks, such as ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), etc. In particular implementations, the processor may include one or more CPUs, such as processor 51 shown in fig. 3 including CPU0 or processor 55 including CPU1 and CPU2, as an example. In particular implementations, the control processing device may include a plurality of processors, such as processor 51 and processor 55 shown in fig. 2, as one embodiment. Each of these processors may be a single-Core Processor (CPU) or a multi-Core Processor (CPU). A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions). The control processing device described above may be a general purpose computer device or a special purpose computer device. In a specific implementation, the control processing device may be a desktop, a laptop, a web server, a Personal Digital Assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, a communication device, or an embedded device, and the embodiment of the present application does not limit the type of the control processing device. The memory 53 is used for storing the program code 531 for executing the scheme of the application, and the processor 51 is used for executing the program code 531 stored in the memory 53.
The present application further provides a diaper alarm device, where the diaper alarm device is disposed in the diaper body shown in fig. 4, and the diaper alarm device includes a transmitter 10, please refer to fig. 5 in combination with fig. 4, as shown in fig. 5, the transmitter 10 includes a detection unit 11, a first control processing unit 12, and a first communication unit 13; the first control processing unit 12 is connected to the detection unit 11 and the first communication unit 13, respectively.
Wherein, the detecting unit 11 is used for outputting a voltage change value based on urine on the paper diaper.
In an embodiment, the detecting unit 11 may adopt a circuit structure as shown in fig. 6, in practical applications, J3 and J4 may be connected to a first electrode element, and J1 and J2 may be connected to a second electrode element, so that a capacitor structure is formed between the first electrode element and the second electrode element, if urine exists on the diaper, a capacitor voltage of the capacitor structure will send a change, and the change of the urine volume can be obtained by detecting a change value of the voltage.
Specifically, the first controlled processing unit 12 outputs a detection signal through a CHECK _1 pin to detect whether the diaper alarm device is normally installed on the diaper, the first controlled processing unit 12 further outputs electric energy to the capacitor structure through a PWM2 pin to charge the capacitor structure, and the capacitor structure is connected to the switching tube Q1 through the resistor R3, so that the resistance of the switching tube Q1 changes with the change of the voltage of the capacitor structure, the tube voltage drop of the switching tube Q1 also changes and is consistent with the change rule of the voltage of the capacitor structure, that is, the slope of the change curve of the sampling voltage on the CHECK _ AD pin is consistent with the slope of the change of the voltage of the capacitor structure, so that the switching tube Q1 can be used as a voltage detection element of the capacitor structure to obtain the voltage change value of the capacitor structure, and further obtain the change situation of urine volume.
The first control processing unit 12 shown in fig. 5 can be realized by the control processing device shown in fig. 3. The control processing device may implement the alarm method performed by the first control processing unit 12 according to any of the embodiments of the present invention by means of the processor 51 and the program code 531 in the memory 53.
It should be understood that the hardware configuration of the transmitter 10 as shown in fig. 5 is merely an example, and that the transmitter 10 may have more or fewer components than shown in the figures, may combine two or more components, or may have a different configuration of components, and that the various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits. For example, the detecting unit 11 may be directly replaced with a humidity sensor, and the amount of urine in the diaper may be determined based on a humidity value sensed by the humidity sensor.
For another example, referring to fig. 8 in conjunction with fig. 7, the transmitter further includes a voltage regulation unit 14, where the voltage regulation unit 14 is configured to provide operating power for the detection unit 11, the first control processing unit 12, and the first communication unit 13.
In practical applications, the voltage regulator unit 14 may adopt a circuit structure as shown in fig. 7, and includes a voltage regulator U4, a first capacitor C11 and a second capacitor C12. Taking a three-terminal regulator of a BL8563-20PRA type as an example of the regulator U4, where one end of a first capacitor C11 is connected to a connection port 1 and ground, and the other end of the first capacitor C11 is connected to a connection port 2 and a voltage input pin Vin of the regulator U4, where the connection port 1 and the connection port 2 are used for accessing an external power supply, for example, the illustrated external power supply is a CR2032 lithium manganese battery, and the first capacitor C11 filters an input voltage of the external power supply, and based on a characteristic that the capacitor passes through an ac resistor and a dc resistor, a higher frequency part of the input voltage of the external power supply flows to the branch of the capacitor, so as to filter out signal interference with higher fluctuation frequency in the input voltage; the enable pin EN of the voltage stabilizer U4 is in short circuit with the voltage input pin Vin, that is, as long as there is input voltage, the enable pin EN has an enable signal, the voltage stabilizer U4 works, otherwise, if there is no input voltage, the voltage stabilizer U4 has no enable input, and the work stops; the voltage output pin Vout of the regulator U4 is connected to one end of the second capacitor C12, the other end of the second capacitor C12 is grounded, and similarly, the second capacitor C12 filters the output voltage of the regulator U4 to remove signal interference with high ripple frequency in the output voltage. The voltage stabilizing circuit can provide a stable working power supply for the detection unit 11, the first control processing unit 12 and the first communication unit 13, so as to ensure the stable operation of the whole transmitter.
Fig. 9 is a flowchart illustrating a method for executing an alarm by the first control processing unit according to an embodiment of the present invention, where the method can be executed by the transmitter 10 shown in fig. 1 or fig. 2 or fig. 4 or fig. 5, please refer to fig. 9, where the method includes the steps of:
121: and determining the urine volume value of the urine according to the voltage change value.
Taking the detecting unit 11 shown in fig. 6 as an example, it can be seen from the above that when J3 and J4 are connected to a first electrode element and J1 and J2 are connected to a second electrode element, a capacitance structure is formed between the first electrode element and the second electrode element, when urine increases, the capacitance impedance of the capacitance structure formed by the first electrode element and the second electrode element is less, the capacitance voltage of the capacitance structure decreases, and the decreased voltage value of the capacitance voltage is obtained, so that the urine volume value of urine can be obtained correspondingly, for example, a mapping table can be preset, and the decreased voltage value of the capacitance voltage corresponds to the corresponding urine volume value one by one, so that the urine volume value can be obtained directly through the decreased voltage value.
122: generating first alarm information according to the urine volume value, and performing format conversion on the first alarm information in a preset data protocol format to obtain second alarm information;
the data protocol format sequentially comprises a serial number, an equipment identifier and first alarm information, wherein the serial number is a serial number obtained by sequencing at least one piece of first alarm information sent by the transmitter 10, and the equipment identifier corresponds to the paper diapers one by one.
It can be understood that different second alarm information can be obtained by processing the first alarm information in multiple modes.
In some embodiments, the data protocol format may be a serial number + device identification + alarm information as shown in FIG. 10a, where the alarm information refers to the first alarm information in step 122. For example, taking the example that the alarm information sent by the transmitter 10 is received by the amplifier 20 for explanation, assuming that the number of the first alarm information sent by a certain transmitter 10 is 1, the number of the second alarm information is 2, and so on, the serial numbers in the data protocol format correspond to the numbers 1 and 2 … in the above, and the amplifier 20 can know the sequence between the alarm information in the transmitter 10 from the received alarm information; if a plurality of amplifiers 20 exist at the peripheral position of the transmitter 10, the alarm information sent by the transmitter 10 can be received by the plurality of amplifiers 20, whether the alarm information amplified by different amplifiers 20 is the same alarm information can be distinguished through the serial number in the data protocol format, and if the alarm information is the same alarm information, the same alarm information is directly filtered, so that the same alarm information is filtered, and the repeated processing of the alarm information is avoided; the device identifier is the UID of the device, which can ensure the uniqueness of each device, and when one amplifier 20 receives data sent by a plurality of transmitters 10, the device identifier can be used to determine which transmitter 10 is transmitting alarm information, so that the location of the corresponding transmitter 10 can be found, and the alarm can be processed.
In other embodiments, the data protocol format may also be frame header + sequence number + device identification + alarm information + check as shown in fig. 10 b. Similarly, taking the example that the alarm information sent by the transmitter 10 is received by the amplifier 20 as an exemplary illustration, by adding a frame header to the data protocol format, the amplifier 20 can determine whether the received information is valid information, for example, the amplifier 20 may receive some wireless information transmitted from other places, and the wireless information generally does not have the frame header in this embodiment, and can directly exclude the wireless information, thereby avoiding the processing of invalid information and improving the efficiency; and the check is added in the data protocol format, so that whether data is wrong or not can be judged, for example, if the alarm information sent by the transmitter 10 sends data loss in the transmission process, the abnormal condition of the check part is probably caused, the check part can know that the alarm information is abnormal and filter the abnormal condition, only effective alarm information is left, and the accuracy of the transmitted alarm information can be improved.
123: and sending the second alarm information through the first communication unit.
In one embodiment, the first communication unit 13 adopts the circuit configuration diagram shown in fig. 11 to select a wireless transmitting chip CMT2110A for illustration, the wireless transmitting chip CMT2110A has a high-performance single-chip OOK transmitter and supports various 240 to 960MHz wireless applications, wherein a signal input pin DATA of a wireless transmitting chip U3 is electrically connected to the first control processing unit 12 and receives the second alarm information from the first control processing unit 12; the power amplifier output pin PFO of the wireless transmitting chip U3 is electrically connected to the first ANTENNA2, and sends second alarm information through the first ANTENNA 2. The price of the wireless transmitting chip CMT2110A adopted by 433M communication in the embodiment is low, and the production cost can be reduced.
In one embodiment, the second alarm information is sent through the first communication unit in a preset data sending format, wherein the preset data sending format comprises a data start bit, a data bit and a data end bit; the data start bit is a low level lasting for a first preset duration and a high level lasting for a second preset duration; and the data end bit is the time length after the low level lasts for the third preset time length and the high level lasts for the fourth preset time length. It can be understood that the data bits contain the relevant content of the second alarm information; and any two preset durations between the first preset duration and the fourth preset duration can be the same or different.
For example, if the first preset time and the fourth preset time are both set to 2.5ms, and the first preset time and the fourth preset time are both set to 1.25ms, the data start bit is a low level and lasts for 2.5ms, and then a high level lasts for 1.25 ms; the end of data bit is low for 1.25ms and high for 2.5 ms. For example, taking the alarm information sent by the transmitter 10 to be received by the amplifier 20 as an example, assuming that the transmitter 10 and the amplifier 20 are disposed in a room, and a transmitting device capable of transmitting a wireless signal is disposed in another room that is not far away from the room, the amplifier 20 is likely to receive the wireless information sent by the transmitter 10 and the transmitting device at the same time, and at this time, by detecting the data start bit and the data end bit, it is possible to distinguish which alarm information is sent by the transmitter 10, and of course, the information sent by the transmitting device is just provided with the data start bit and the data end bit in this embodiment, and it is possible to further verify whether the received wireless information is valid alarm information by using the data protocol format shown in fig. 10 b. By setting a data start bit and a data end bit, a large amount of interference signals can be preliminarily eliminated, and then the validity of data contents is further screened by using a data protocol format, so that only required alarm information can be left.
Optionally, the data bits include data bit 0 and data bit 1; the data bit 0 is a low level lasting for a sixth preset duration after a high level lasting for a fifth preset duration; data bit 1 is high for a seventh predetermined duration and then low for an eighth predetermined duration. It should be understood that any two preset durations between the fifth preset duration and the eighth preset duration may be the same or different.
For example, if the fifth preset time period and the eighth preset time period are both set to 350us, and the sixth preset time period and the seventh preset time period are both set to 650us, the data bit 0 is high for 350us and then low for 650 us; data bit 1 is high for 650us and low for 350 us. That is, only the data bits are valid data, otherwise, the data bits are invalid data, and only the valid data are processed, so that the accuracy of the data can be further ensured.
It should be noted that the data protocol format or the data sending format may be customized differently according to personal habits, which is not limited herein; other circuits or devices, such as gateways, etc., may be used to receive the alarm information sent by the transmitter 10.
Further, the alarm method executed by the first control processing unit 12 further includes, after the second alarm information is sent, sending the second alarm information again if the alarm is not processed at the end time of the preset random waiting time.
The alarm device comprises a paper diaper alarm device, a first alarm information sending unit, a second alarm information sending unit and a warning information receiving unit, wherein the first alarm information sending unit is used for sending warning information to the diaper alarm device, the second alarm information sending unit is used for sending warning information to the diaper alarm device, the warning information receiving unit is used for receiving warning information sent by the diaper alarm device, the warning information sending unit is used for sending warning information to the diaper alarm device, and the warning information sending unit is used for sending warning information to the diaper alarm device when the diaper alarm device is in a preset random waiting time. For another example, it may be determined again by the detection unit 11 whether the voltage variation value still exists during a preset random waiting time, and if so, the second alarm information may be sent again.
Since 433M communication is a single transmission, it is impossible to confirm whether the alarm information has been correctly received, and when multiple signals are sent simultaneously, the alarm information may be lost, and the above problem can be well handled by using a random time retransmission mechanism. Due to the adoption of random time, when a plurality of transmitters need to send data, sending time points can be staggered, for example, the number 1 transmitter and the number 2 transmitter have the requirement of sending alarm information again at the same time, the random time generated by the number 1 transmitter is 1s, and the random time frequently generated by the number 2 transmitter is 2s, so that the time for sending the alarm information again by the number 1 transmitter and the number 2 transmitter is staggered, and the problem that collision is possibly caused when a plurality of alarm information are sent at the same time is solved; secondly, in the process of alarm information transmission, information is lost due to some unexpected conditions, for example, data is lost due to collision among different alarm information, the problem can be solved in time by adopting a retransmission mechanism, and the probability that the alarm cannot be processed is reduced; furthermore, the data transmission is finished but the alarm is not processed all the time, and the processing personnel can be reminded to process the alarm in time through the retransmission mechanism.
The diaper alarm system provided by the embodiment of the application comprises at least one diaper alarm device.
In one embodiment, referring to fig. 12 in conjunction with fig. 2, the diaper alarm system includes at least one amplifier 20, wherein the amplifier 20 is configured to receive the second alarm message sent by the transmitter 10 and send a third alarm message according to the second alarm message; specifically, the amplifier 20 includes a second communication unit 21, a second control processing unit 22, and a long-distance transmission unit 23, and the second control processing unit 22 is connected to the second communication unit 21 and the long-distance transmission unit 23, respectively.
Among them, the second control processing unit 22 shown in fig. 12 can be realized by the control processing device shown in fig. 3. The control processing device may implement the alarm method performed by the second control processing unit 22 according to any of the embodiments of the present invention by the processor 51 and the program code 531 in the memory 53.
It should be understood that the hardware configuration of amplifier 20 as shown in fig. 12 is merely an example, and that amplifier 20 may have more or fewer components than shown in the figure, may combine two or more components, or may have a different configuration of components, and that the various components shown in the figure may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits. For example, in some embodiments, the long-distance transmission unit 23 may be eliminated to reduce external hardware, and long-distance transmission may be realized by directly using an optical fiber or a network cable.
Fig. 13 is a flowchart illustrating an alarm method executed by the second control processing unit according to an embodiment of the present invention, where the method may be executed by the amplifier 10 shown in fig. 1, 2, or 12, please refer to fig. 13, where the method includes the steps of:
221: and receiving the second alarm information through the second communication unit.
222: and generating third alarm information based on the second alarm information.
The second communication unit 21 is provided with a second antenna for receiving signals, receives second alarm information sent by the transmitter through the second antenna, and then directly transmits the second alarm information to the second control processing unit 22.
After the second control processing unit 22 receives the second alarm information, the output third alarm information may be consistent with the second alarm information, or may be alarm information generated by further processing the second alarm information.
Optionally, after receiving the second alarm information through the second communication unit 21, the second control processing unit 22 modifies a data start bit and a data end bit in the second alarm information to generate third alarm information, and then sends the third alarm information through the remote transmission unit 23; setting the modified data start bit as a data format of low level lasting for ninth preset time and then high level lasting for tenth preset time; and setting the modified data end bit as a data format in which the low level lasts for an eleventh preset time period and the high level lasts for a twelfth preset time period.
Likewise, any two preset time periods between the ninth preset time period and the twelfth preset time period may be the same or different.
For example, if the ninth preset duration and the twelfth preset duration are both set to 2ms, and the tenth preset duration and the eleventh preset duration are both set to 3ms, the modified data start bit is set to a data format in which the low level lasts 2ms and then the high level lasts 3 ms; the modified data end bit is set to a data format of low level for 3ms and then high level for 2 ms.
It should be noted that at least one of the ninth preset time period to the twelfth preset time period is different from the corresponding preset time period of the fifth preset time period to the eighth preset time period, for example, only the ninth preset time period is different from the fifth preset time period, and the tenth preset time period is the same as the sixth preset time period, the eleventh preset time period is the same as the seventh preset time period, and the twelfth preset time period is the same as the eighth preset time period.
For example, as shown in fig. 14, it is assumed that the data start bit in the alarm information sent by the transmitter 10 is data format a, and is a data format in which the low level lasts for 2.5ms and then the high level lasts for 1.25 ms; the data end bit is data format b, which is a data format with a low level lasting 1.25ms and a high level lasting 2.5 ms. After the amplifier 20 receives the alarm information, the data start bit in the alarm information is changed to the data format c, which is a data format in which the low level lasts for 2ms and then the high level lasts for 3ms, and the data end bit in the alarm information is changed to the data format d, which is a data format in which the low level lasts for 3ms and then the high level lasts for 2 ms. The amplifier 20 modifies the data start bit and the data end bit, so that when receiving the alarm information, other amplifiers 20 can identify whether the alarm information amplified by the amplifier 20 is the alarm information sent by the transmitter 10, if the alarm information amplified by one amplifier 20 can meet the requirement of the transmission distance, the alarm information is not required to be amplified again by other amplifiers 20, and the amplifier 20 identifies the alarm information, so that the repeated amplification among a plurality of amplifiers 20 can be prevented, the useless work done by the amplifier 20 is reduced, and the working efficiency of the amplifier 20 is improved.
223: and sending the third alarm information through the remote transmission unit.
In an embodiment, the remote transmission unit 23 adopts a circuit structure schematic diagram as shown in fig. 15 to select the wireless transceiver chip RFM300H for description, wherein the general purpose digital input output pin GPIO3 of the wireless transceiver chip U4 is electrically connected to the second control processing unit 22, and is configured to receive the third alarm information from the second control processing unit 22; an input/output pin ANT of the radio frequency signal of the wireless transceiving chip U4 is electrically connected to the third antenna, and is used for sending third alarm information through the third antenna. The radio transceiver chip RFM300H is a long-distance radio transceiver module, by which long-distance transmission of the third alarm information can be realized.
Further, in another embodiment, the second control processing unit executes the alarm method and further includes delaying the preset random forwarding time and then sending the third alarm information.
After the amplifier 20 receives the second alarm information, the second alarm information is stored in the amplifier 20, then a random forwarding time is set, and the third alarm information is sent only after the forwarding time of each time is one. For example, the amplifier 20 receives the second alarm information 1 and the second alarm information 2, and if the random forwarding time is 1s and 2s, the third alarm information corresponding to the second alarm information 1 is sent after 1s, and the third alarm information corresponding to the second alarm information 2 is sent after 2s, so that the situation that data is sent at the same time can be reduced, and the problem of data collision is reduced.
Referring to fig. 16 with reference to fig. 2, in an embodiment, the diaper alarm system further includes a server 40 and a gateway 30, and the gateway 30 includes a third communication unit 31, a third control processing unit 32, and a WIFI unit 33; the third control processing unit 32 is connected to the third communication unit 31 and the WIFI unit 33, respectively.
When the transmission distance is short, the gateway 30 may directly receive the alarm information sent by the transmitter 10, and when the transmission distance is long, the gateway 30 may receive the alarm information sent by the transmitter 10 through the amplifier 20 before receiving the alarm information sent by the transmitter 10, and after performing amplification processing, the gateway 30 may receive the alarm information sent by the amplifier 20.
The third control processing unit 32 shown in fig. 16 can be realized by the control processing device shown in fig. 3. The control processing device can implement the alarm method executed by the third control processing unit 32 according to any embodiment of the present invention through the processor 51 and the program code 531 in the memory 53
Fig. 17 is a schematic flowchart of a method for executing an alarm by a third control processing unit according to an embodiment of the present invention, where the method may be executed by the gateway shown in fig. 1, fig. 2, or fig. 16, please refer to fig. 17, and the method includes the steps of:
321: and receiving the second alarm information or the third alarm information through the third communication unit.
322: and uploading the processed second alarm information or third alarm information to the server through the WIFI unit.
The second alarm information refers to alarm information sent by the transmitter 10, and the third alarm information refers to alarm information sent by the amplifier 20. The gateway 30 receives the alarm information sent by the transmitter 10 or the amplifier 20 through the third communication unit 31. It can be understood that the first alarm information detected by the detection unit 11 of the transmitter 10 shown in fig. 4 is only valid data, and the information sent by the transmitter 10 and the amplifier 20 is, except for the valid first alarm information, a change in data format, and the content of the first alarm information is not changed, and the gateway 30 may extract the first alarm information from the received alarm information, and then upload the first alarm information to the server 40 through the WIFI unit.
The server 40 is configured to send the received second alarm information or third alarm information to the terminal.
In one embodiment, referring to fig. 16 again, the gateway 30 further includes a storage unit 34, the storage unit 34 is connected to the third control processing unit 32, and the storage unit 34 is configured to receive and store the second alarm information or the third alarm information through the third control processing unit 32. Storage unit 34 can make the management to data more convenient, for example when the WIFI off-line, can save received alarm information earlier through storage unit 34, when networking again, WIFI is after on-line promptly, continues the upload with the data of saving again, can guarantee the continuity of data, reduces losing of data.
In another embodiment, referring to fig. 19 in combination with fig. 18, the gateway 30 further includes an indicator light unit 35, and the indicator light unit 35 includes a power indicator light LED1, a WIFI indicator light LED2, and a radio frequency signal indicator light LED 3. In the circuit, the P1, the P2 and the P3 are all connected to the third control processing unit 32, and the third control processing unit 32 outputs control signals to control the on and off of the MOS transistors TR2, TR3 and TR1 respectively, so as to control the on and off of the power indicator LED1, the WIFI indicator LED2 and the radio frequency signal indicator LED3, wherein the power indicator LED1 is used for displaying whether the power supply of the third control processing unit 32 is in a normal working state, the WIFI indicator LED2 is used for displaying whether the WIFI circuit is in a normal working state, and the radio frequency signal indicator LED3 is used for indicating whether the third communication unit is in a normal working state. In practical application, power indicator LED1, WIFI pilot lamp LED2 and radio frequency signal pilot lamp LED3 can be set to different colours, for example red light, green light and blue respectively to this just can directly distinguish from the vision that each pilot lamp corresponds which circuit respectively, conveniently to the operating condition real-time supervision of each circuit, can in time handle when appearing unusually.
It should be understood that in this application, a terminal may be referred to as a smart terminal device, a terminal apparatus, an electronic device, or the like. The electronic device may also be referred to as a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), etc. For example, a handheld device, an in-vehicle device, or an in-vehicle device having a wireless connection function. The electronic device may also include, but is not limited to, a portable electronic device that carries an android, Microsoft, or other operating system. The portable electronic device may also be a device such as a laptop computer (laptop) with a touch sensitive surface (e.g., a touch panel), etc. Currently, some examples of terminals are: a mobile phone (mobile phone), a tablet computer, a notebook computer, a palm top computer, a Mobile Internet Device (MID), a wearable device, a Virtual Reality (VR) device, an Augmented Reality (AR) device, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), a wireless terminal in remote surgery (remote medical supply), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (smart security), a wireless terminal in city (smart city), a wireless terminal in home (smart home), and the like.
The invention provides a paper diaper alarm device, wherein a transmitter is arranged on the paper diaper alarm device and comprises a detection unit, a first control processing unit and a first communication unit, a voltage change value is output through the detection unit based on urine on the paper diaper, alarm information is obtained through the first control processing unit according to the voltage change value, the alarm information is processed according to a preset data protocol format and then sent through the first communication unit, wherein the data protocol format sequentially comprises a serial number, an equipment identification position and alarm information, so that in the paper diaper alarm system, when a plurality of paper diaper alarm devices send the alarm information at the same time, the alarm information on which paper diaper can be distinguished according to the equipment identification position, and different alarm information sent by a single paper diaper alarm device can be distinguished according to the serial number, so that different alarm information can be well distinguished when the plurality of paper diaper alarm devices send the alarm information at the same time Data collision is not caused, and data loss is prevented.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A diaper alarm device, comprising:
the transmitter comprises a detection unit, a first control processing unit and a first communication unit, and the first control processing unit is respectively connected with the detection unit and the first communication unit;
the detection unit is used for outputting a voltage change value based on the urine on the paper diaper;
the first control processing unit is configured to:
determining the urine volume value of urine according to the voltage change value;
generating first alarm information according to the urine volume value, and performing format conversion on the first alarm information in a preset data protocol format to obtain second alarm information;
the data protocol format sequentially comprises a serial number, an equipment identifier and the first alarm information, wherein the serial number is a serial number obtained by sequencing at least one piece of the first alarm information sent by the transmitter, and the equipment identifier corresponds to the paper diapers one by one;
and sending the second alarm information through the first communication unit.
2. The warning device for the disposable diaper as claimed in claim 1, wherein the sending the second warning information through the first communication unit comprises:
sending the second alarm information in a preset data sending format, wherein the preset data sending format comprises a data start bit, a data bit and a data end bit;
the data start bit is a low level lasting for a first preset time length and a high level lasting for a second preset time length;
and the data end bit is formed by lasting a third preset time length at a low level and lasting a fourth preset time length at a high level.
3. A diaper alarm device in accordance with claim 2 wherein said data bits include data bit 0 and data bit 1;
the data bit 0 is a low level lasting for a sixth preset time after a high level lasting for a fifth preset time;
and the data bit 1 is formed by lasting a seventh preset time length at a high level and lasting an eighth preset time length at a low level.
4. A panty diaper alarm device according to any one of claims 1-3,
the first control processing unit is further configured to:
and after the second alarm information is sent out, if the alarm is not processed at the end moment of the preset random waiting time, sending the second alarm information again.
5. A diaper alarm system comprising at least one diaper alarm device as claimed in any one of claims 1 to 4.
6. A pant diaper alarm system according to claim 5, further comprising:
the amplifier is used for receiving the second alarm information and sending third alarm information according to the second alarm information;
the amplifier comprises a second communication unit, a second control processing unit and a long-distance transmission unit, wherein the second control processing unit is respectively connected with the second communication unit and the long-distance transmission unit;
the second control processing unit is configured to:
receiving the second alarm information through the second communication unit;
generating third alarm information based on the second alarm information;
and sending the third alarm information through the remote transmission unit.
7. A pant diaper alarm system according to claim 6,
the second control processing unit is further configured to:
after the second alarm information is received through the second communication unit, modifying the data start bit and the data end bit to generate third alarm information;
setting the modified data start bit as a data format with a low level lasting for a ninth preset time and a high level lasting for a tenth preset time;
and setting the modified data end bit into a data format with a low level lasting for an eleventh preset time and a high level lasting for a twelfth preset time.
8. A pant diaper alarm system according to claim 6 or 7,
the second control processing unit is specifically configured to:
and sending the third alarm information after delaying preset random forwarding time.
9. A pant diaper alarm system according to claim 6 or 7, further comprising:
a server;
the gateway comprises a third communication unit, a third control processing unit and a WIFI unit;
the third control processing unit is respectively connected with the third communication unit and the WIFI unit;
the third control processing unit is configured to:
receiving the second alarm information or the third alarm information through the third communication unit, processing the second alarm information or the third alarm information, and uploading the processed second alarm information or the processed third alarm information to the server through the WIFI unit;
and the server is used for sending the received second alarm information or the third alarm information to a terminal.
10. A pant diaper alarm system according to claim 9,
the gateway further comprises a storage unit, the storage unit is connected with the third control processing unit, and the storage unit is used for receiving the second alarm information or the third alarm information through the third control processing unit and storing the second alarm information or the third alarm information.
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| CN202010852242.9A CN112076025A (en) | 2020-08-21 | 2020-08-21 | Paper diaper alarm device and system |
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| CN202010852242.9A CN112076025A (en) | 2020-08-21 | 2020-08-21 | Paper diaper alarm device and system |
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