Cerebral hemorrhage detection device based on radio frequency microwaves
Through the radiofrequency microwave-based cerebral hemorrhage detection device, microwave signals are used to image the patient's brain, which solves the problems of cumbersome examination, long time consumption and poor equipment portability in traditional technology, and achieves timely detection and efficient treatment of cerebral hemorrhage.
Patent Information
- Application Number
- CN202421066533.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-16
AI Technical Summary
Traditional cerebral hemorrhage detection technology has problems such as cumbersome examinations, long time and poor device portability, making it difficult to achieve rapid pre-hospital testing.
A radiofrequency microwave-based cerebral hemorrhage detection device is used, including a microwave transmitter and a microwave receiver, to image the patient's brain through microwave signals to achieve rapid detection.
It solves the problems of cumbersome examination, long time consumption and poor equipment portability in traditional technology, realizes timely detection of cerebral hemorrhage, improves examination efficiency and facilitates timely treatment.
Smart Images
Figure CN222367688U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of non-invasive brain imaging, in particular to a cerebral hemorrhage detection device based on radio frequency microwaves. Background Art
[0002] Cerebral hemorrhage refers to the situation where a ruptured blood vessel in the brain causes blood to overflow into the brain tissue. The disease has a sudden onset and can cause facial or somatic neurological deficits or rapid deterioration of consciousness, which may lead to serious neurological dysfunction. Current studies have found that early treatment of cerebral hemorrhage is closely related to a good prognosis for patients. Therefore, pre-hospital acute cerebral hemorrhage detection methods have always been the focus of researchers, and how to quickly and accurately locate the bleeding point and bleeding volume is the focus of related technologies.
[0003] The current medical process generally uses head computed tomography (CT) to obtain brain images of patients after they arrive at the hospital to determine the location and volume of intracranial hemorrhage. However, the above technology still has defects such as large imaging equipment, poor portability, can only be performed in the hospital, cumbersome procedures, long patient transfer time, and inability to identify in time, making it difficult to quickly detect cerebral hemorrhage in patients before hospitalization.
[0004] Therefore, a cerebral hemorrhage detection device based on radio frequency microwave is proposed. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a cerebral hemorrhage detection device based on radio frequency microwaves, which is used to solve the problems of cumbersome, time-consuming and untimely examination of patient cerebral hemorrhage in traditional technologies.
[0006] The utility model provides a cerebral hemorrhage detection device based on radio frequency microwaves, comprising: a microwave transmitter and a microwave receiver;
[0007] The microwave transmitter comprises a power setting unit, a signal generating unit, a signal excitation source, a frequency synthesis circuit, a power amplifier locking module and a first microstrip line half-wave symmetrical oscillator; the power setting unit, the signal generating unit, the signal excitation source, the frequency synthesis circuit, the power amplifier locking module and the first microstrip line half-wave symmetrical oscillator are electrically connected in sequence; the frequency synthesis circuit comprises a frequency oscillator, a multiplier, a Knowles capacitor, a first divider, a second divider and an RC filter circuit, the frequency oscillator is electrically connected to the multiplier and the Knowles capacitor, the Knowles capacitor is electrically connected to the first divider and the RC filter circuit respectively, and the first divider, the RC filter circuit and the second divider are electrically connected;
[0008] The microwave receiver includes a second microstrip line half-wave symmetrical oscillator, a signal amplifier, a frequency synthesizer, a power detection unit, an analog-to-digital converter and a signal processing unit; the second microstrip line half-wave symmetrical oscillator, the signal amplifier, the frequency synthesizer, the power detection unit, the analog-to-digital converter and the signal processing unit are electrically connected in sequence.
[0009] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the power setting unit includes a touch control screen; and the signal generating unit is electrically connected to the touch control screen.
[0010] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the power setting unit also includes a data writing unit; the data writing unit includes a first data transmission interface and a first serial port adapter chip; the first data transmission interface is electrically connected to the signal generating unit through the first serial port adapter chip.
[0011] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the signal generating unit is composed of an ARM chip of model STM32F407VET6 and an FPGA chip of model XC7A100T-2CSG324I.
[0012] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the microwave receiver also includes a data reading unit; the data reading unit includes a second data transmission interface and a second serial port adapter chip; the second data transmission interface is electrically connected to the signal processing unit through the second serial port adapter chip.
[0013] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the present invention, the first serial port adapter chip or the second serial port adapter chip can be implemented as a serial port adapter chip with model number CH340.
[0014] Preferably, in the cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model, the microwave transmitter further includes a first power management unit; the first power management unit includes a first storage battery, a first power management chip and a first charging interface; the first power management chip is electrically connected to the first storage battery and the first charging interface; the first storage battery is electrically connected to the signal generating unit and the touch control screen;
[0015] The microwave receiver also includes a second power management unit and a display screen; the second power management unit includes a second battery, a second power management chip and a second charging interface; the second power management chip is electrically connected to the second battery and the second charging interface; the second battery is electrically connected to the signal processing unit and the display screen.
[0016] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the first power management chip or the second power management chip can be implemented as a power management chip with model RT8259.
[0017] Preferably, the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model,
[0018] The RC filter circuit includes a first capacitor, a second capacitor, a third capacitor, a first resistor and a second resistor; the first capacitor is connected to the output end of the Knowles capacitor and is grounded, the second capacitor and the first resistor are connected in series to the ground, and the second resistor and the third capacitor are connected to the ground.
[0019] Preferably, in the radio frequency microwave-based cerebral hemorrhage detection device provided by the utility model, the frequency synthesizer comprises a first radio frequency switch, a second radio frequency switch, a mixer and a local oscillator; the mixer is electrically connected to the first radio frequency switch, the second radio frequency switch and the local oscillator;
[0020] The frequency synthesizer can be implemented as a wideband synthesizer chip of model LMX 2594.
[0021] Compared with traditional technology, the beneficial effect of the above-mentioned cerebral hemorrhage detection device based on radio frequency microwave is that through microwave transmitter and microwave receiver, rapid image detection of patient's cerebral hemorrhage can be realized, which solves the problems of cumbersome electronic computer tomography inspection process, long time consumption and poor portability of equipment in traditional technology, and is used to realize timely detection of patient's cerebral hemorrhage. While improving the inspection efficiency, it is convenient for medical staff to treat patients with cerebral hemorrhage in time.
[0022] Other features and advantages of the utility model will be described in the subsequent description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures specifically pointed out in the written description, claims, and drawings.
[0023] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 A schematic diagram of the structure of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0025] Figure 2 A schematic diagram of the structure of a microwave transmitter and a microwave receiver of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0026] Figure 3 A schematic diagram of the structure of a frequency synthesis circuit of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0027] Figure 4 A schematic diagram of the structure of a microwave transmitter of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0028] Figure 5 A schematic diagram of the structure of a microwave receiver of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0029] Figure 6 A schematic diagram of the structure of an RC filter circuit of a cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model;
[0030] Figure 7 The utility model provides a schematic structural diagram of a frequency synthesizer of a cerebral hemorrhage detection device based on radio frequency microwaves. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0032] The utility model provides a cerebral hemorrhage detection device based on radio frequency microwaves, referring to Figure 1 , Figure 2 and Figure 3 , comprising: a microwave transmitter 1 and a microwave receiver 2;
[0033] A microwave transmitter 1 includes a power setting unit 11, a signal generating unit 12, a signal excitation source 13, a frequency synthesizing circuit 14, a power amplifier locking module 15 and a first microstrip line half-wave symmetrical oscillator 16; the power setting unit 11, the signal generating unit 12, the signal excitation source 13, the frequency synthesizing circuit 14, the power amplifier locking module 15 and the first microstrip line half-wave symmetrical oscillator 16 are electrically connected in sequence; the frequency synthesizing circuit 14 includes a frequency oscillator 141, a multiplier 142, a Knowles capacitor 143, a first divider 144, a second divider 145 and an RC filter circuit 146, the frequency oscillator 141 is electrically connected to the multiplier 142 and the Knowles capacitor 143, the Knowles capacitor 143 is electrically connected to the first divider 144 and the RC filter circuit 146 respectively, and the first divider 144 and the RC filter circuit 146 are electrically connected to the second divider 145;
[0034] The microwave receiver 2 includes a second microstrip line half-wave symmetrical oscillator 21, a signal amplifier 22, a frequency synthesizer 23, a power detection unit 24, an analog-to-digital converter 25 and a signal processing unit 26; the second microstrip line half-wave symmetrical oscillator 21, the signal amplifier 22, the frequency synthesizer 23, the power detection unit 24, the analog-to-digital converter 25 and the signal processing unit 26 are electrically connected in sequence.
[0035] In the above embodiments, the microwave transmitter 1 transmits a power microwave signal to the patient's brain, and the microwave receiver 2 receives the returned power microwave signal for processing, images the patient's brain, and obtains the location of the patient's brain hemorrhage.
[0036] The working principle of the cerebral hemorrhage detection device based on radio frequency microwave provided by the utility model is as follows: the staff sets the initial waveform and initial power of the signal through the power setting unit 11 of the microwave transmitter 1, the signal generating unit 12 outputs the microwave signal of the initial waveform and initial power through the signal excitation source 13 according to the initial waveform and initial power of the signal obtained by the power setting unit 11, and transmits it to the frequency synthesis circuit 14, the frequency synthesis circuit 14 performs frequency modulation processing on the microwave signal to obtain the frequency-modulated microwave signal, the power amplifier locking module 15 adjusts the power of the frequency-modulated microwave signal to obtain the power microwave signal, and transmits the power microwave signal to the patient's brain through the first microstrip line half-wave symmetrical oscillator 16;
[0037] The microwave receiver 2 receives the power microwave signal refracted and transmitted back by the patient's brain through the second microstrip line half-wave symmetrical oscillator 21, amplifies the power microwave signal through the signal amplifier 22, performs frequency mixing processing through the frequency synthesizer 23 to obtain a microwave enhanced signal, processes the microwave enhanced signal through the power detection unit 24 and the analog-to-digital converter 25 to obtain a corresponding microwave digital signal, and performs signal processing on the microwave digital signal by the signal processing unit 26 to obtain the patient's brain imaging signal.
[0038] In the above embodiment, the frequency oscillator 141 of the frequency synthesis circuit is used to receive a microwave signal, increase the frequency of the microwave signal through the multiplier 142, and input the microwave signal with the increased frequency into the Knowles capacitor 143, the Knowles capacitor 143 provides a current signal to couple with the microwave signal to generate a current coupling signal, which is transmitted to the first divider 144 and the RC filter circuit 146 respectively; the first divider 144 is used to perform frequency division processing on the current coupling signal to obtain the frequency division signal, the RC filter circuit 146 is used to filter and integrate the current coupling signal, output the filtered signal, couple the frequency division signal with the filtered signal, and output the frequency modulated microwave signal after processing through the second divider 145.
[0039] In one embodiment, the frequency oscillator 141 receives a microwave signal with a frequency of 100 MHz, and increases the frequency of the microwave signal by 2 times through the multiplier 142 to obtain a microwave signal with a frequency of 200 MHz. The Knowles capacitor 143 provides a 15 mA current signal to couple with the microwave signal to generate a current coupling signal. The first divider 144 divides the current coupling signal by 44 times, performs frequency division and phase locking, and obtains a frequency division signal. The RC filter circuit 146 filters and integrates the current coupling signal, outputs a filtered signal with a frequency of 8.8 GHz, filters out the low-frequency part, couples the divided signal with the filtered signal, and divides it by 4 times through the second divider 145 to generate a frequency modulated microwave signal with a frequency of 2.2 GHz.
[0040] The beneficial effects of the cerebral hemorrhage detection device based on radio frequency microwaves provided by the utility model are as follows: a power microwave signal is generated by a power setting unit, a signal generating unit, a signal excitation source, a frequency synthesis circuit, and a power amplifier locking module in a microwave transmitter, and is transmitted to the patient's brain through a first microstrip line half-wave symmetrical oscillator; a second microstrip line half-wave symmetrical oscillator in a microwave receiver receives the power microwave signal refracted back by the patient's brain, and the power microwave signal is processed by the second microstrip line half-wave symmetrical oscillator, a signal amplifier, a frequency synthesizer, a power detection unit, an analog-to-digital converter, and a signal processing unit to obtain the patient's brain imaging signal, so that the staff can analyze the bleeding point position and bleeding area in the patient's skull; compared with the traditional technology, the above-mentioned cerebral hemorrhage detection device based on radio frequency microwaves can detect the bleeding situation of the patient's brain through a microwave transmitter and a microwave receiver, solves the problems of cumbersome electronic computer tomography inspection process, long time consumption, and poor portability of the equipment in the traditional technology, and is used to realize timely detection of the patient's brain bleeding situation, while improving the inspection efficiency, and facilitating medical staff to timely treat patients with cerebral hemorrhage.
[0041] In one embodiment, the radio frequency microwave based brain hemorrhage detection device proposed in the utility model embodiment, the power setting unit, reference Figure 4 , including a touch control screen 19 ; the signal generating unit 12 is electrically connected to the touch control screen 19 .
[0042] In the above embodiments, the staff transmits the initial waveform and initial power of the signal to the signal generating unit 12 by operating the touch control screen 19 .
[0043] In the above embodiments, the initial waveform set by the staff through the power setting unit includes a sine wave, a triangle wave and a square wave.
[0044] The beneficial effect of the above technology is that the function of the power setting unit is realized through the touch control screen, which is convenient for the staff to set the initial waveform and initial power of the signal.
[0045] In one embodiment, the radio frequency microwave-based brain hemorrhage detection device proposed in the utility model embodiment includes a power setting unit and a data writing unit; Figure 4 , the data writing unit includes a first data transmission interface 181 and a first serial port adapter chip 182 ; the first data transmission interface 181 is electrically connected to the signal generating unit 12 through the first serial port adapter chip 182 .
[0046] In the above embodiments, the staff can connect to the first data transmission interface 181 through a personal PC, and transmit the initial waveform and initial power of the signal to the signal generating unit 12 through the first data transmission interface 181 and the first serial port adapter chip 182 .
[0047] The beneficial effect of the above technology is that the function of the power setting unit is realized through the data writing unit, which makes it convenient for the staff to set the initial waveform and initial power of the signal through the personal PC.
[0048] In one embodiment, the radio frequency microwave-based cerebral hemorrhage detection device proposed in the embodiment of the utility model, the signal generation unit is composed of an ARM chip with model number STM32F407VET6 and an FPGA chip with model number XC7A100T-2CSG324I.
[0049] In one embodiment, the signal processing unit is composed of an STM32 chip and an FPGA chip.
[0050] In one embodiment, the signal generating unit is connected to the signal excitation source via an SPI data interface.
[0051] In one embodiment, the cerebral hemorrhage detection device based on radio frequency microwaves proposed in the utility model embodiment, the microwave receiver, also includes a data reading unit; the data reading unit, reference Figure 5 , including a second data transmission interface 281 and a second serial port adapter chip 282 ; the second data transmission interface 281 is electrically connected to the signal processing unit 26 through the second serial port adapter chip 282 .
[0052] In the above embodiments, the staff can connect to the second data transmission interface 281 through a personal PC, and receive the patient's brain imaging signal from the signal processing unit 26 through the second data transmission interface 281 and the second serial port adapter chip 282 .
[0053] The beneficial effect of the above technology is that the staff can obtain the brain imaging signal generated by the device through the electrical connection between the personal PC and the data reading unit, which is convenient for the staff to determine the location of the patient's brain bleeding point based on the brain imaging signal.
[0054] In one embodiment, in the radio frequency microwave-based cerebral hemorrhage detection device proposed in the embodiment of the utility model, the first serial port adapter chip or the second serial port adapter chip can be implemented as a serial port adapter chip with model number CH340.
[0055] In one embodiment, the cerebral hemorrhage detection device based on radio frequency microwaves proposed in the utility model embodiment, the microwave transmitter, reference Figure 4 , further comprising a first power management unit; the first power management unit comprises a first storage battery 173, a first power management chip 172 and a first charging interface 171; the first power management chip 172 is electrically connected to the first storage battery 173 and the first charging interface 171; the first storage battery 173 is electrically connected to the signal generating unit 12 and the touch control screen 19;
[0056] The microwave receiver also includes a second power management unit and a display screen; the second power management unit, reference Figure 5 , including a second battery 273, a second power management chip 272 and a second charging interface 271; the second power management chip 272 is electrically connected to the second battery 273 and the second charging interface 271; the second battery 273 is electrically connected to the signal processing unit 26 and the display screen 29.
[0057] In the above embodiments, the first battery 173 is used to supply power to the signal generating unit 12 and the touch control screen 19 , and the first power management chip 172 is used to receive an input voltage signal through the first charging interface 171 , and perform voltage reduction processing to charge the first battery 173 .
[0058] In the above embodiment, the second battery 273 is used to supply power to the signal processing unit 26 and the display screen 29 , and the second power management chip 272 is used to receive an input voltage signal through the second charging interface 271 , and perform voltage reduction processing to charge the second battery 273 .
[0059] In the above embodiments, the display screen 29 is used to display to the staff the brain imaging signal of the patient acquired by the signal processing unit 26 .
[0060] The beneficial effects of the above technology are: through the first power management unit and the second power management unit, power is supplied to the microwave transmitter and the microwave receiver in the device, and through the first power management chip and the second power management chip, the first battery and the second battery are charged in time to ensure the normal operation of the device.
[0061] In one embodiment, in the radio frequency microwave-based cerebral hemorrhage detection device proposed in the embodiment of the utility model, the first power management chip or the second power management chip can be implemented as a power management chip with model RT8259.
[0062] In one embodiment, the first battery and the second battery may be implemented as 2000 mAH lithium batteries.
[0063] In one embodiment, the first charging interface and the first data transmission interface, the second charging interface and the second data transmission interface may be implemented as USB interfaces.
[0064] In one embodiment, the cerebral hemorrhage detection device based on radio frequency microwaves proposed in the utility model embodiment, the RC filter circuit, reference Figure 6 , including a first capacitor C1, a second capacitor C2, a third capacitor C3, a first resistor R1 and a second resistor R2; the first capacitor C1 is connected to the output end of the Knowles capacitor and grounded, the second capacitor C2 and the first resistor R1 are connected in series and grounded, and the second resistor R2 and the third capacitor C3 are connected to the ground.
[0065] In the above embodiment, the first capacitor C1 is 0.39nF, the second capacitor C2 is 68nF, the third capacitor C3 is 1.8nF, the first resistor R1 is 0.068kΩ, and the second resistor R2 is 0.018kΩ, so as to realize the filtering and integration functions of the RC filter circuit, increase the frequency of the current coupling signal, and filter out the low-frequency part.
[0066] In one embodiment, the cerebral hemorrhage detection device based on radio frequency microwaves proposed in the utility model embodiment, the frequency synthesizer, reference Figure 7 , including a first RF switch 71, a second RF switch 72, a mixer 73 and a local oscillator 74; the mixer 73 is electrically connected to the first RF switch 71, the second RF switch 72 and the local oscillator 74;
[0067] In the above embodiment, when the first RF switch 71 receives the power microwave signal after amplification by the signal amplifier, it transmits the power microwave signal to the mixer 73, and the local oscillator 74 generates a local oscillator signal and transmits it to the mixer 73. The mixer 73 couples the power microwave signal and the local oscillator signal to generate a microwave enhancement signal, which is transmitted to the power detection unit through the second RF switch 72.
[0068] In one embodiment, the frequency synthesizer may be implemented as a LMX 2594 wideband synthesizer chip.
[0069] In summary, the radio frequency microwave-based cerebral hemorrhage detection device proposed in the utility model can assist in the rapid pre-hospital diagnosis of cerebral hemorrhage and clarify the patient's bleeding volume. It can determine the patient's treatment plan as early as possible, or transfer the patient to a stroke center with corresponding treatment capabilities in a timely manner, shortening the time from onset to treatment of the patient, which is of great significance for the precise treatment of patients with cerebral hemorrhage and the realization of graded diagnosis and treatment.
[0070] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A cerebral hemorrhage detection device based on radio frequency microwaves, characterized in that: include: Microwave transmitters and microwave receivers; The microwave transmitter comprises a power setting unit, a signal generating unit, a signal excitation source, a frequency synthesis circuit, a power amplifier locking module and a first microstrip line half-wave symmetrical oscillator; the power setting unit, the signal generating unit, the signal excitation source, the frequency synthesis circuit, the power amplifier locking module and the first microstrip line half-wave symmetrical oscillator are electrically connected in sequence; the frequency synthesis circuit comprises a frequency oscillator, a multiplier, a Knowles capacitor, a first divider, a second divider and an RC filter circuit, the frequency oscillator is electrically connected to the multiplier and the Knowles capacitor, the Knowles capacitor is electrically connected to the first divider and the RC filter circuit respectively, and the first divider, the RC filter circuit and the second divider are electrically connected; The microwave receiver includes a second microstrip line half-wave symmetrical oscillator, a signal amplifier, a frequency synthesizer, a power detection unit, an analog-to-digital converter and a signal processing unit; the second microstrip line half-wave symmetrical oscillator, the signal amplifier, the frequency synthesizer, the power detection unit, the analog-to-digital converter and the signal processing unit are electrically connected in sequence.
2. The radio frequency microwave based cerebral hemorrhage detection device according to claim 1, characterized in that: The power setting unit includes a touch control screen; the signal generating unit is electrically connected to the touch control screen.
3. The cerebral hemorrhage detection device based on radio frequency microwave according to claim 2 is characterized in that: The power setting unit also includes a data writing unit; the data writing unit includes a first data transmission interface and a first serial port adapter chip; the first data transmission interface is electrically connected to the signal generating unit through the first serial port adapter chip.
4. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 3 is characterized in that: The signal generating unit is composed of an ARM chip of model STM32F407VET6 and an FPGA chip of model XC7A100T-2CSG324I.
5. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 3 is characterized in that: The microwave receiver also includes a data reading unit; the data reading unit includes a second data transmission interface and a second serial port adapter chip; the second data transmission interface is electrically connected to the signal processing unit through the second serial port adapter chip.
6. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 5 is characterized in that: The first serial port conversion chip or the second serial port conversion chip can be implemented as a serial port conversion chip with a model number of CH340.
7. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 2 is characterized in that: The microwave transmitter further includes a first power management unit; The first power management unit includes a first storage battery, a first power management chip and a first charging interface; the first power management chip is electrically connected to the first storage battery and the first charging interface; the first storage battery is electrically connected to the signal generating unit and the touch control screen; The microwave receiver further includes a second power management unit and a display screen; the second power management unit includes a second storage battery, a second power management chip and a second charging interface; The second power management chip is electrically connected to the second battery and the second charging interface; the second battery is electrically connected to the signal processing unit and the display screen.
8. The radio frequency microwave based cerebral hemorrhage detection device according to claim 7, characterized in that: The first power management chip or the second power management chip can be implemented as a power management chip of model RT8259.
9. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 1, characterized in that: The RC filter circuit includes a first capacitor, a second capacitor, a third capacitor, a first resistor and a second resistor; the first capacitor is connected to the output end of the Knowles capacitor and is grounded, the second capacitor and the first resistor are connected in series to the ground, and the second resistor and the third capacitor are connected to the ground.
10. The cerebral hemorrhage detection device based on radio frequency microwaves according to claim 1, characterized in that: The frequency synthesizer comprises a first radio frequency switch, a second radio frequency switch, a mixer and a local oscillator; the mixer is electrically connected to the first radio frequency switch, the second radio frequency switch and the local oscillator; The frequency synthesizer can be implemented as a wideband synthesizer chip of model LMX 2594.