A mobile mental state detection device
By integrating ECG, pulse wave, and EEG signal acquisition modules onto a mobile trolley, the limitations of single physiological signal detection in existing technologies are overcome, enabling simultaneous or concurrent detection of multimodal physiological signals and providing a more reliable and accurate assessment of psychological state.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 济南汇医融工科技有限公司
- Filing Date
- 2025-02-26
- Publication Date
- 2026-08-04
AI Technical Summary
Existing psychological state detection devices mostly detect single physiological signals, resulting in low sensitivity, specificity, and reliability of the detection results. Furthermore, it is difficult to detect multimodal physiological signals simultaneously or concurrently, and the devices are numerous and inconvenient to use.
By integrating ECG, pulse wave, and EEG signal acquisition modules onto the same mobile trolley, multiple physiological signals can be acquired synchronously or simultaneously through an all-in-one computer, enabling more reliable and accurate detection of psychological states.
Simultaneous or simultaneous acquisition of multiple physiological signals in the same scene provides more reliable and accurate psychological state detection results, avoiding the need for numerous devices and inconvenience in movement, and eliminating the need for additional equipment for signal processing.
Smart Images
Figure CN224584766U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of psychological state detection technology, specifically to a mobile psychological state detection device. Background Technology
[0002] The statements herein provide only background information related to this invention and do not necessarily constitute prior art.
[0003] For subjects whose psychological state is difficult to physically touch or test, physiological signal detection methods are currently widely used to study and assess their mental health. Physiological signal detection methods involve using psychological state detection devices or testing equipment to detect the subject's physiological signals and their changes, and then analyzing and evaluating the subject's mental health based on these signals. Because the detected physiological signals are objective and real, the mental health assessment based on these signals is relatively more reliable and accurate.
[0004] Currently, most existing psychological testing devices are limited to detecting single physiological signals. For example, patent CN204158401U proposes a brain cognition and psychological state detection device, which evaluates cognitive function and psychological state solely by detecting electroencephalogram (EEG) signals; patent CN214128567U proposes a psychological testing device with skin conductance waveform detection, which evaluates psychological state solely by detecting skin conductance signals; and patent CN115153585B proposes an EEG analysis device and method for judging psychological state, which also judges psychological state solely by detecting and analyzing EEG signals. Considering that multiple physiological signals are generated simultaneously during human life activities, including electrocardiogram (ECG) and electroencephalogram (EEG) bioelectrical signals, can reflect psychological state and its changes to a certain extent, clinical practice has shown that using only the above-mentioned single-function detection devices for psychological state detection has certain limitations, and the sensitivity, specificity, and reliability of the detection results are relatively low. If multiple existing single detection devices are used to test subjects at the same time, on the one hand, each single detection device has many components and is inconvenient to use; on the other hand, additional equipment is needed to process, transmit, summarize and save the signals collected by each device synchronously. In other words, it is difficult to achieve synchronous or simultaneous detection of the above-mentioned multimodal physiological signals in both time and space dimensions. Synchronous or simultaneous detection of multimodal physiological signals is the key to artificial intelligence in overcoming the problem of objective and accurate assessment of mental health status. Utility Model Content
[0005] To address the aforementioned problems and deficiencies in existing technologies, this invention provides a mobile psychological state detection device that integrates the acquisition of three physiological signals—electrocardiogram, pulse wave, and electroencephalogram—onto a single mobile cart. Utilizing multiple signal acquisition components and an integrated computer fixed on the cart, it can simultaneously or concurrently acquire various physiological signals from the subject, facilitating more reliable and accurate detection of the subject's psychological state in the same time and space dimensions. Furthermore, since all components are integrated onto the same mobile cart, the simultaneous or concurrent detection of multimodal psychological state signals from different subjects in different scenarios can be achieved through the movement of the cart, making it more convenient to use.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A mobile psychological state detection device includes a movable trolley, an electrocardiogram-pulse wave acquisition module, an electroencephalogram (EEG) acquisition module, and an integrated computer, wherein the electrocardiogram-pulse wave acquisition module, the EEG acquisition module, and the integrated computer are all integrated on the trolley.
[0008] The ECG-pulse wave acquisition module includes a sensor assembly and an ECG-pulse wave acquisition box. The sensor assembly includes an ECG sensor and a pulse wave sensor. Both the ECG sensor and the pulse wave sensor are electrically connected to the corresponding signal input interface on the ECG-pulse wave acquisition box. The output interface of the ECG-pulse wave acquisition box is electrically connected to the USB interface of an all-in-one computer.
[0009] The EEG acquisition module includes an EEG cap and an EEG signal processor. The EEG cap is equipped with multiple EEG electrodes and ear electrodes. The EEG electrodes and ear electrodes are electrically connected to the signal input interface of the EEG signal processor via an EEG lead connection box. The output interface of the EEG signal processor is electrically connected to the network interface of an all-in-one computer.
[0010] In a further technical solution, the electrocardiogram sensor and pulse wave sensor are placed at specific locations on the subject's body to synchronously collect the subject's electrocardiogram and pulse wave signals in a resting state or during a stress task experiment.
[0011] The ECG-pulse wave acquisition box is used to amplify and filter the acquired ECG and pulse wave signals respectively, and generate and output digital ECG and pulse wave signals.
[0012] In a further technical solution, the pulse wave sensor adopts a contact-type photoelectric pulse wave sensor.
[0013] In a further technical solution, the specific location includes the chest, arm, or leg.
[0014] In a further technical solution, the EEG cap is worn on the head of the subject, and multiple EEG electrodes and ear electrodes are provided on the EEG cap. The multiple EEG electrodes and ear electrodes are all connected to the EEG lead wire connection box through electrode wires. The EEG lead wire connection box is electrically connected to the signal input interface of the EEG signal processor, and the output interface of the EEG signal processor is electrically connected to the network interface of the all-in-one computer.
[0015] The multiple EEG electrodes and ear electrodes are used to synchronously acquire the EEG signals of the subjects in a resting state or during stress task experiments; the EEG signal processor is used to amplify and filter the acquired EEG signals to generate and output digital EEG signals.
[0016] In a further technical solution, the all-in-one computer is a computer that integrates a host and a display, used to display electrocardiogram, pulse wave, and electroencephalogram signals, and output psychological state detection results.
[0017] A further technical solution is that the trolley includes a base and a trolley column, the trolley column is fixedly installed on the base, and the bottom of the base is provided with omnidirectional casters;
[0018] The trolley column is fixed with a trolley platform, a trolley storage box, an ECG-pulse wave acquisition box, an EEG signal processor, and an all-in-one computer; a chassis is fixed under the trolley platform, the ECG-pulse wave acquisition box is fixedly installed in the chassis, and the signal input and output interfaces of the ECG-pulse wave acquisition box are all located on the outer surface of the chassis; the sensor components and the EEG cap are placed in the trolley storage box.
[0019] In a further technical solution, the trolley platform is used to place input devices, which are electrically connected to the USB interface of the all-in-one computer. The input devices include a mouse and a keyboard.
[0020] A further technical solution also includes an extended display screen, which is electrically connected to the all-in-one computer, and the extended display screen and the all-in-one computer are fixedly mounted back-to-back on the top of the trolley column.
[0021] A further technical solution also includes a power supply module, which is electrically connected to the ECG-pulse wave acquisition module, the EEG acquisition module, and the integrated computer, respectively, to supply power to the entire device.
[0022] Compared with the prior art, the present invention has the following beneficial effects:
[0023] 1. This utility model provides a mobile psychological state detection device. By integrating an electrocardiogram-pulse wave acquisition module, an electroencephalogram (EEG) acquisition module, and an integrated computer on a mobile trolley, it can simultaneously collect the electrocardiogram, pulse wave, and EEG physiological signals of the examinee under different testing conditions (such as resting state, stress state, and recovery state corresponding to three time periods before, during, and after a stress task experiment). This allows for the use of these signals to obtain more reliable and accurate psychological state detection results for the examinee. Moreover, using this device, multiple physiological signals of the examinee can be collected simultaneously in the same scenario, achieving non-invasive multimodal physiological signal simultaneous detection of the examinee's psychological state without causing any harm to the examinee. It can provide objective and quantitative evaluation results and provide reference for clinical practice.
[0024] 2. In the mobile psychological state detection device proposed in this utility model, the corresponding components of various physiological signal acquisition modules are fixed on the same mobile trolley. By moving the trolley, the psychological state of different subjects can be detected in different scenarios. For example, when facing subjects who are inconvenient to move, the trolley can be moved to the department where the subject is located for detection, avoiding the inconvenience caused by the difficulty of personnel movement. Moreover, no additional equipment is required for signal acquisition and psychological state detection, making it more convenient to use. Attached Figure Description
[0025] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.
[0026] Figure 1 This is a schematic diagram of the front of the mobile psychological state detection device described in this utility model;
[0027] Figure 2 This is a structural diagram of the back of the mobile psychological state detection device described in this utility model;
[0028] Figure 3 This is a schematic diagram showing the connections of the components in the device described in this utility model;
[0029] Figure 4 This is a circuit diagram of the central electrical signal data acquisition of the device described in this utility model;
[0030] Figure 5 This is a circuit diagram of the pulse wave signal data acquisition in the device described in this utility model;
[0031] Figure 6 This is a circuit diagram of the electroencephalogram (EEG) signal data acquisition in the device described in this utility model;
[0032] Figure 7This is a schematic diagram of the electroencephalogram (EEG) signal acquisition and transmission process in the device described in this utility model.
[0033] The components include: 1. All-in-one computer; 2. Extended display screen; 3. Mouse; 4. Keyboard; 5. Base; 6. EEG signal processor; 7. EEG lead wire connection box; 8. Trolley storage box; 9. ECG-pulse wave acquisition box; 10. Trolley platform; 11. Trolley column; 12. Universal casters; 13. Shelf; 14. Chassis; 15. Pull-out tray. Detailed Implementation
[0034] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0035] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0036] like Figure 1 As shown, this utility model discloses a mobile psychological state detection device, including a movable trolley, an electrocardiogram-pulse wave acquisition module, an electroencephalogram acquisition module, and an integrated computer, wherein the electrocardiogram-pulse wave acquisition module, the electroencephalogram acquisition module, and the integrated computer are all integrated on the trolley.
[0037] like Figure 3 As shown, the ECG-pulse wave acquisition module includes a sensor assembly and an ECG-pulse wave acquisition box. The sensor assembly includes an ECG sensor and a pulse wave sensor. Both the ECG sensor and the pulse wave sensor are electrically connected to the corresponding signal input interface on the ECG-pulse wave acquisition box. The output interface of the ECG-pulse wave acquisition box is electrically connected to the USB interface of the all-in-one computer.
[0038] In this embodiment, the pulse wave sensor can be a contact-type photoelectric pulse wave sensor. Both the ECG sensor and the pulse wave sensor are existing sensors. Taking the ECG sensor as an example, it consists of multiple electrode pads. According to medical testing requirements, it is placed at a specific location on the subject's body, such as the chest, arm, or leg, to simultaneously collect the subject's ECG and pulse wave signals in a resting state or during a stress task experiment. These collected signals are transmitted to an ECG-pulse wave acquisition box, which amplifies and filters the collected ECG and pulse wave signals respectively, generating and outputting digital ECG and pulse wave signals. Then, the ECG and pulse wave signals output by the ECG-pulse wave acquisition box are transmitted to an integrated computer for processing and synchronous signal display.
[0039] The aforementioned ECG-pulse wave acquisition box is an existing device that can acquire and process ECG and pulse wave signals. As one implementation method, the ECG signal data acquisition circuit in the ECG-pulse wave acquisition box used in this embodiment is as follows: Figure 4 As shown, input interface H101 serves as the ECG signal input interface of the ECG-pulse wave acquisition box. The ECG sensor is electrically connected to this ECG signal input interface via a connecting cable. The ECG physiological sensing signal acquired by the ECG sensor is input, firstly converted into a voltage signal, then low-pass filtered to remove high-frequency noise, and then common-mode level set to keep the overall signal above 0V. Finally, it is transmitted to the ADS1292R chip (or other commonly used ECG monitoring chips) for processing, amplification, and conversion into a digital signal output for use by the lower-level computer (i.e., the all-in-one computer in this invention). The output pin of the ADS1292R chip is pin 30 RLDOUT (i.e., right leg drive output), which is connected to the ECG signal output interface of the ECG-pulse wave acquisition box. This output interface is electrically connected to the USB interface of the all-in-one computer via a USB data transmission cable to complete data transmission.
[0040] As one implementation method, the pulse wave signal data acquisition circuit in the ECG-pulse wave acquisition box used in this embodiment is as follows: Figure 5As shown, input interface H1_31 serves as the pulse wave signal input interface of the ECG-pulse wave acquisition box. The pulse wave sensor is electrically connected to this pulse wave signal input interface via a connecting cable. The physiological sensing signal of the pulse wave acquired by the pulse wave sensor is input. First, the signal undergoes IV conversion (i.e., current-to-voltage conversion) to convert the current signal into a voltage signal. Then, the converted signal is high-pass filtered to remove low-frequency DC interference signals. Next, the signal is amplified and the common-mode level is set (at this time, the output interface is IN2_2). Finally, the processed pulse wave signal is transmitted to the analog-to-digital converter chip (an existing analog-to-digital converter chip can be used) to convert it into a digital signal for use by the lower-level computer (i.e., the all-in-one computer in this utility model). That is, the output pin of the analog-to-digital converter chip is connected to the pulse wave signal output interface of the ECG-pulse wave acquisition box. This output interface is electrically connected to the USB interface of the all-in-one computer via a USB data transmission cable to complete the data transmission.
[0041] Preferably, the pulse wave sensor in the sensor assembly can also be a non-contact photoelectric pulse wave sensor, through which pulse waves are collected.
[0042] The aforementioned EEG acquisition module includes an EEG cap and an EEG signal processor. The EEG cap is equipped with multiple EEG electrodes and ear electrodes. Both the EEG electrodes and ear electrodes are electrically connected to the signal input interface of the EEG signal processor via an EEG lead connection box. The output interface of the EEG signal processor is electrically connected to the network interface of an integrated computer. In this embodiment, the EEG cap is worn on the subject's head. The multiple EEG electrodes and ear electrodes on the cap are used to synchronously or simultaneously acquire multi-lead EEG signals from the subject in a resting state or during a stress task experiment. "Simultaneously" here refers to the simultaneous acquisition of EEG, ECG, and pulse wave signals. The acquired EEG signals are transmitted to the EEG signal processor via the EEG lead connection box. The EEG signal processor amplifies and filters the acquired EEG signals, generating and outputting digital EEG signals. The output EEG signals are then transmitted to the integrated computer for processing and synchronous signal display.
[0043] The aforementioned EEG lead connection box and EEG signal processor are existing devices. EEG signals collected by several EEG electrodes and ear electrodes are converged to the EEG lead connection box via EEG leads, and then transmitted to the EEG signal processor via the EEG lead connection box. The EEG signal processor can process the EEG signals. As one implementation method, the EEG signal acquisition and transmission process in the EEG signal processor used in this embodiment is as follows: Figure 7 As shown, its corresponding circuit structure design is as follows: Figure 6As shown, the electroencephalogram (EEG) signals from the human head, sensed by several electrodes on the electrode cap, are input to the EEG signal processor. First, the signal is amplified by an instrumentation amplifier (using the AD8222BCPZ-R7 chip, with pin IN1 as the input pin, which serves as the input interface for the EEG signal processor, where the EEG signals sensed by the electrodes are connected) to increase signal strength and reduce noise interference. Then, the amplified signal undergoes a high-pass filter to remove low-frequency DC interference, followed by a low-pass filter to remove high-frequency noise. Finally, the processed EEG signal (generated by the RS8412 chip) is transmitted to the EEG signal processor. The XK output pins OUTA and OUTB output signals (channels A and B) which are transmitted to an analog-to-digital converter (ADC) chip (an existing ADC chip can be used). The signal is amplified and converted into a digital signal for use by the lower-level computer (i.e., the all-in-one computer in this invention). The generated digital signal is output through the main control chip and the Ethernet chip. The output pin of the Ethernet chip is electrically connected to the output interface of the EEG signal processor. The output interface of the EEG signal processor is then electrically connected to the network interface of the all-in-one computer through a network data transmission line (i.e., a network cable). This completes the data transmission, and the output data is transmitted to the all-in-one computer for subsequent processing and display.
[0044] With the above setup, the ECG-pulse wave acquisition module and the EEG acquisition module can be used to simultaneously or concurrently acquire the ECG, pulse wave, and EEG signals of the subjects in the resting, stressed, and recovered states during the three time periods before, during, and after the stress task experiment. The acquired ECG, pulse wave, and EEG signals are directly transmitted to the all-in-one computer, which can then perform comprehensive analysis and processing of the synchronously acquired physiological signals. Finally, the display screen of the all-in-one computer shows the waveforms of various physiological signals and the psychological state detection results after comprehensive analysis of the multimodal signals.
[0045] It is understandable that the sensor components, ECG-pulse wave acquisition box, EEG cap, EEG lead wire connection box, EEG signal processor, and all-in-one computer in the above-mentioned ECG-pulse wave acquisition module and EEG acquisition module can all be based on existing equipment or can all be implemented based on existing technology. They can be implemented simply by relying on the existing physiological electrical signal measurement circuit structure.
[0046] Furthermore, the all-in-one computer is a computer integrating a host and a display, used to display electrocardiogram (ECG), pulse wave, and electroencephalogram (EEG) signals, and output psychological state detection results. This all-in-one computer is equipped with existing dedicated multimodal signal analysis and processing software, electronic psychological scales, database software for storing and processing data from each acquisition module, software for initiating and automatically stopping data acquisition, and emergency task testing software. The all-in-one computer can automatically run the multimodal signal analysis and processing software based on the subject's physiological electrical signals (i.e., ECG-EEG-pulse wave signals) collected simultaneously or synchronously in a resting state or during a stress task experiment, thereby performing joint analysis of ECG-EEG-pulse waves. For example, the aforementioned all-in-one computer can achieve joint analysis of ECG-EEG-pulse waves by incorporating software or programs based on a psychological stress assessment method based on multi-physiological parameter fusion proposed in published patent CN103584872B. This joint analysis process is existing technology and will not be elaborated upon here.
[0047] Preferably, considering the long time required for multi-signal joint analysis, the examinee can also take relevant self-assessment psychological scales on an all-in-one computer while the multi-signal joint analysis is being conducted. The analysts can combine the scale assessment results with the results of the joint analysis of ECG-pulse wave-EEG signals to obtain more accurate psychological state detection results.
[0048] Furthermore, the aforementioned sensor components, ECG-pulse wave acquisition box, EEG cap, EEG signal processor, and EEG lead connection box are all controlled by an all-in-one computer. Specifically, these modules or components are controlled by pre-configured software within the all-in-one computer. The control process is as follows: the all-in-one computer issues an acquisition command, the ECG, pulse wave, and EEG acquisition modules acquire data, and transmit the acquired and processed signals to the all-in-one computer. Data transmission between the ECG-pulse wave acquisition module and the EEG acquisition module is conducted via USB, while data transmission between the two modules is conducted via Ethernet. The all-in-one computer receives, stores, and displays the ECG, pulse wave, and EEG signals, and uses its pre-installed programs to perform joint analysis of the human ECG, pulse wave, and EEG signals. The improvement in this embodiment lies in the system's hardware structure and connectivity, and does not involve improvements to the software configured in the computer. The implementation of the software-based acquisition and analysis control process is conventional technology in the field and will not be elaborated upon here.
[0049] Furthermore, the aforementioned trolley also integrates various devices and components, such as Figure 1 and Figure 2As shown, the trolley includes a trolley column 11, on which a trolley platform 10, a trolley storage box 8, an ECG-pulse wave acquisition box 9, an EEG signal processor 6, an EEG lead wire connection box 7, and an all-in-one computer 1 are fixed. A chassis 14 is fixed under the trolley platform 10. The ECG-pulse wave acquisition box 9 is fixedly installed in the chassis 14, and the signal input and output interfaces of the ECG-pulse wave acquisition box 9 are all located on the outer surface of the chassis 14. The sensor components and the EEG cap are placed in the trolley storage box.
[0050] Furthermore, this embodiment also provides an example of a trolley fixing device and components, such as... Figure 1 As shown, the movable trolley includes a base 5, with a trolley column 11 fixedly mounted on the base 5. A trolley platform 10 and a trolley storage box 8 are fixedly mounted on the trolley column 11. An ECG-pulse wave acquisition box 9 is fixedly mounted inside a chassis 14 under the trolley platform 10. The ECG sensor and pulse wave sensor are placed in the trolley storage box 8. Both the ECG sensor and pulse wave sensor are connected to the ECG-pulse wave acquisition box 9 via wires, and the ECG-pulse wave acquisition box 9 is connected to the USB interface of the all-in-one computer 1 via wires. Additionally, an EEG cap is also placed in the trolley storage box 8. The EEG cap and its electrodes are electrically connected to an EEG lead wire connection box 7 via lead wires. The EEG lead wire connection box 7 is electrically connected to an EEG signal processor 6 via wires, and the EEG signal processor 6 is then electrically connected to the network interface of the all-in-one computer 1 via wires.
[0051] In this embodiment, the base 5 of the trolley has an I-shaped structure, and the bottom of the base 5 is equipped with universal casters 12, which facilitates the movement of the entire device and makes it convenient to use. Preferably, the trolley base can be implemented using any structural form. By integrating multiple signal acquisition modules onto the same movable trolley, it greatly facilitates the use of the device when testing subjects who are unable to move and are located in different positions. This avoids the problems of inconvenience in movement and the need for additional equipment that exist when using multiple single-function detection devices. Thus, it is possible to achieve synchronous or simultaneous detection of multimodal physiological signals in both time and space dimensions.
[0052] In addition, input devices such as a mouse 3 and a keyboard 4 are placed on the trolley platform. These input devices are electrically connected to an all-in-one computer, making it convenient for medical staff to view test results. Preferably, the bottom of the trolley platform is provided with a pull-out tray 15, which is used to place input devices, freeing up space on the trolley platform and making it convenient for medical staff to use.
[0053] As one implementation method, in order to facilitate the detection under stress conditions in the stress experiment, the device is also equipped with an extended display screen 2, which is electrically connected to the all-in-one computer 1. The extended display screen 2 and the all-in-one computer 1 are fixedly mounted back to back on the top of the trolley column 11, so that the examinee can view the relevant content displayed to the examinee by the medical staff. Preferably, the medical staff can select the content to be displayed to the examinee by operating the all-in-one computer.
[0054] like Figure 2 As shown, the trolley storage box 8, EEG signal processor 6, EEG lead wire connection box 7, and extended display screen 2 are fixed to the back of the trolley column 11 from bottom to top, while the trolley table 10 and the all-in-one computer 1 are fixed to the front of the trolley column 11.
[0055] In another embodiment, a shelf 13 is fixedly provided at the bottom of the trolley column 11 near the base for placing other related items; a pull-out tray 15 is provided at the bottom of the chassis 14 for placing input devices.
[0056] In addition, the device proposed in this embodiment also includes a power supply module, which can be fixed to the bottom of the trolley column. This power supply module is electrically connected to the ECG-pulse wave acquisition module, the EEG acquisition module, and the integrated computer, respectively, to power the entire device. Preferably, the power supply module includes a battery and a charging component. The charging component is connected to an external power source to charge the battery; the battery powers the entire device, facilitating its mobility.
[0057] The specific working process of this utility model is as follows:
[0058] Push and pull the device trolley to the appropriate position, place the ECG sensor composed of multiple electrode pads and the contact photoelectric pulse wave sensor in a specific location on the subject's body (such as the chest, arm, fingertips, or leg), put the EEG cap on the subject's head, and start the operation of each device through the integrated computer control. At this time, the detection is started.
[0059] During the testing process, medical staff select the corresponding test state (such as resting state, stress state, or recovery state) and the stress-inducing content through input devices, which are then displayed on an extended display screen for the examinee to view the stress content. This provides the examinee with a stress task experiment. Sensors and electrodes detect the corresponding weak physiological electrical signals. The collected ECG-pulse wave signals are amplified and filtered by the ECG-pulse wave acquisition box to generate digital ECG and pulse wave signals. These signals are then transmitted to an integrated computer for processing and display. The collected EEG signals are processed through an EEG lead connection box and an EEG signal processor to generate digital EEG signals. These signals are then transmitted to the integrated computer via a network interface and displayed synchronously with the ECG and pulse wave signals.
[0060] The mobile psychological state detection device proposed in this invention integrates electrocardiogram, pulse wave, and electroencephalogram (EEG) signal acquisition modules and an integrated computer onto the same mobile cart. It can synchronously or simultaneously acquire and display the three physiological signals of the subject's electrocardiogram, pulse wave, and EEG, which facilitates joint analysis by the integrated computer to obtain more reliable and accurate results of the subject's psychological state detection.
[0061] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.
Claims
1. A mobile psychological state detection device, characterized in that, It includes a movable trolley, an ECG-pulse wave acquisition module, an EEG acquisition module, and an all-in-one computer, wherein the ECG-pulse wave acquisition module, the EEG acquisition module, and the all-in-one computer are all integrated on the trolley; The ECG-pulse wave acquisition module includes a sensor assembly and an ECG-pulse wave acquisition box. The sensor assembly includes an ECG sensor and a pulse wave sensor. Both the ECG sensor and the pulse wave sensor are electrically connected to the corresponding signal input interface on the ECG-pulse wave acquisition box. The output interface of the ECG-pulse wave acquisition box is electrically connected to the USB interface of an all-in-one computer. The EEG acquisition module includes an EEG cap and an EEG signal processor. The EEG cap is equipped with multiple EEG electrodes and ear electrodes. The EEG electrodes and ear electrodes are electrically connected to the signal input interface of the EEG signal processor via an EEG lead connection box. The output interface of the EEG signal processor is electrically connected to the network interface of an all-in-one computer.
2. The mobile psychological state detection device as described in claim 1, characterized in that, The electrocardiogram sensor and pulse wave sensor are placed at specific locations on the subject's body to synchronously collect the subject's electrocardiogram and pulse wave signals in a resting state or during a stress task experiment. The ECG-pulse wave acquisition box is used to amplify and filter the acquired ECG and pulse wave signals respectively, and generate and output digital ECG and pulse wave signals.
3. The mobile psychological state detection device as described in claim 2, characterized in that, The specific location includes the chest, arms, or legs.
4. The mobile psychological state detection device as described in claim 1, characterized in that, The pulse wave sensor is a contact-type photoelectric pulse wave sensor.
5. A mobile psychological state detection device as described in claim 1, characterized in that, The EEG cap is worn on the subject's head. The EEG cap is equipped with multiple EEG electrodes and ear electrodes. The multiple EEG electrodes and ear electrodes are connected to the EEG lead wire connection box through electrode wires. The EEG lead wire connection box is electrically connected to the signal input interface of the EEG signal processor. The output interface of the EEG signal processor is electrically connected to the network interface of the all-in-one computer. The multiple EEG electrodes and ear electrodes are used to synchronously acquire the EEG signals of the subjects in a resting state or during stress task experiments. The EEG signal processor is used to amplify and filter the acquired EEG signals to generate and output digital EEG signals.
6. A mobile psychological state detection device as described in claim 1, characterized in that, The all-in-one computer is a computer that integrates a host and a display, used to display electrocardiogram, pulse wave, and electroencephalogram signals, and output psychological state detection results.
7. A mobile psychological state detection device as described in claim 1, characterized in that, The trolley includes a base and a trolley column, the trolley column is fixedly installed on the base, and the bottom of the base is provided with swivel casters; The trolley column is fixed with a trolley platform, a trolley storage box, an ECG-pulse wave acquisition box, an EEG signal processor, and an all-in-one computer; a chassis is fixed under the trolley platform, the ECG-pulse wave acquisition box is fixedly installed in the chassis, and the signal input and output interfaces of the ECG-pulse wave acquisition box are all located on the outer surface of the chassis; the sensor components and the EEG cap are placed in the trolley storage box.
8. A mobile psychological state detection device as described in claim 7, characterized in that, The trolley platform is used to place input devices, which are electrically connected to the USB interface of the all-in-one computer. The input devices include a mouse and a keyboard.
9. A mobile psychological state detection device as described in claim 7, characterized in that, It also includes an extended display screen, which is electrically connected to the all-in-one computer, and the extended display screen and the all-in-one computer are fixedly mounted back-to-back on the top of the trolley column.
10. A mobile psychological state detection device as described in claim 1, characterized in that, It also includes a power supply module, which is electrically connected to the ECG-pulse wave acquisition module, the EEG acquisition module and the integrated computer, respectively, to supply power to the entire device.