Biological information measurement system

Abstract

To suppress deterioration of gas measurement accuracy.SOLUTION: A biological information measurement system measures biological information of a user of a toilet room on the basis of a fecal gas discharged into a bowl of a toilet bowl installed in the toilet room. The biological information measurement system includes: a suction device that sucks gaseous matter in the bowl where the user of the toilet room has discharged the fecal gas; a gas flow passage through which the sucked gaseous matter passes by the suction device; a gas detection device including a gas sensor that reacts with the gas contained in the gaseous matter passing through the gas flow passage; and a deodorizing member that is provided in the gas flow passage and deodorizes and removes an odorous component of the fecal gas. The gas flow passage includes an inflow portion and a discharge portion, the gas sensor is disposed between the inflow portion and the discharge portion, and the discharge portion is disposed so as to discharge the gas in the gas flow passage to the outside of the toilet bowl from a rear side of a seating position of the user of the toilet bowl.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The disclosed embodiments relate to a biological information measuring system. [Background technology]

[0002] Conventionally, there has been known a biological information measuring system that uses a gas sensor to detect fecal gas emitted when a toilet user excretes feces, and measures the intestinal condition of the user (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-145806 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, there is room for improvement in the above-mentioned conventional technology. For example, in the above-mentioned conventional technology, the gas (air) after deodorization is returned to the bowl. Therefore, as the effect of the deodorizing member such as the deodorizing filter decreases, odorous components may circulate in the gas flow path. In such a case, it is difficult to prevent the deterioration of the gas measurement accuracy, and there is room for improvement in the way the gas after deodorization is handled.

[0005] An object of the disclosed embodiments is to provide a biological information measuring system capable of suppressing a decrease in gas measurement accuracy. [Means for solving the problem]

[0006] A vital information measuring system according to one aspect of an embodiment is a vital information measuring system for measuring vital information of a user of a toilet room based on defecation gas discharged into a bowl of a toilet bowl installed in a toilet room, the vital information measuring system including a suction device that sucks in gas in the bowl from which the defecation gas is discharged by the user of the toilet room, a gas flow path through which the gas sucked in by the suction device passes, a gas detection device having a gas sensor that reacts to gas contained in the gas passing through the gas flow path, and a deodorizing device that is provided in the gas flow path and that deodorizes and removes odorous components of the defecation gas. The toilet comprises an odor member and a control device which controls the suction device and the gas detection device, the gas flow path including an inlet section which allows gas to flow into the gas flow path, and an exhaust section which is provided downstream of the inlet section and which exhausts the gas in the gas flow path to the outside of the gas flow path, the gas sensor being disposed between the inlet section and the exhaust section, the inlet section being disposed at a position where it can collect defecation gas in the bowl, and the exhaust section being disposed so as to exhaust the gas in the gas flow path to the outside of the toilet from a position behind the seating position of a user of the toilet.

[0007] According to a biometric information measuring system according to one aspect of the embodiment, the exhaust section of the gas flow path is arranged so as to exhaust the gas in the gas flow path to the outside of the toilet bowl from the rear side of the seating position of the toilet user, thereby preventing odorous components accumulated in a deodorizing member such as a deodorizing filter from circulating through the flow path and immediately exhausting the gas into the toilet space, thereby stabilizing the measurement accuracy of the gas sensor. Therefore, the biometric information measuring system can suppress a decrease in the measurement accuracy of the gas. Furthermore, the biometric information measuring system can suppress the return of the gas exhausted into the bowl section by exhausting the gas behind the user (human body) seated on the toilet seat. Furthermore, the biometric information measuring system can suppress the user from sensing odors because the gas is exhausted behind the human body.

[0008] Research by the inventors has revealed that the change over time in the ratio of odorless gas composed of hydrogen, methane, and carbon dioxide to foul-smelling gas composed of hydrogen sulfide and methyl mercaptan contained in the fart (defecation gas) emitted during defecation indirectly captures the change over time in the intestinal environment. It is known that the intestinal environment changes depending on the type of food and the amount of exercise. Therefore, in order to correctly estimate the state, it is important to measure the components of the defecation gas more accurately, and the inventors have evolved it by devising hardware. The deodorizing filter described in Patent Document 1 removes odorous gases in the inhaled defecation gas by adsorbing them (deodorization treatment), and the deodorized defecation gas is released back into the bowl. This prevents gas that reacts to the gas sensor from flowing into the bowl from the outside, and prevents the gas components in the bowl from changing due to factors other than the defecation gas discharged from the subject during the subject's defecation period. However, as the amount of adsorption on the deodorizing filter approaches saturation, the deodorizing filter itself begins to emit an odor, causing the odorous components to circulate within the flow path, resulting in a problem of poor measurement accuracy.

[0009] Therefore, in a bioinformation measuring system according to one aspect of the embodiment, the exhaust section of the gas flow path is positioned so that the gas in the gas flow path is exhausted outside the toilet from behind the seating position of the toilet user, thereby preventing odorous components from circulating within the gas flow path, thereby solving the above problem and preventing a decrease in the accuracy of gas measurement.

[0010] In a biological information measuring system according to one aspect of an embodiment, the deodorizing member is provided at the exhaust portion of the gas flow path.

[0011] According to the biological information measuring system according to one aspect of the embodiment, since the deodorizing member is provided at the exhaust portion of the gas flow path, it is possible to reduce the amount of odor components accumulated in the deodorizing member that flow back into the gas flow path. As a result, the biological information measuring system can reduce odor components remaining in the gas flow path, for example, thereby reducing measurement noise and improving the accuracy of measurement by sensor detection. Furthermore, in the biological information measuring system, since there is nothing downstream of the deodorizing member that generates pressure loss, the gas in the gas flow path can be quickly exhausted. Therefore, the biological information measuring system can suppress a decrease in the accuracy of gas measurement.

[0012] In one aspect of the embodiment, the biological information measuring system is characterized in that the deodorizing member is provided so as to be detachable from outside the toilet bowl.

[0013] According to the biological information measuring system of one aspect of the embodiment, the deodorizing member is configured to be at the most downstream of the flow path, accessible from the outside, and removable, so that when odorous components accumulate in the deodorizing member, the deodorizing member can be easily replaced from the outside. This makes it easy to replace the deodorizing member in the biological information measuring system, and reduces the impact on the detection accuracy of the sensor. Therefore, the biological information measuring system can suppress a decrease in the measurement accuracy of the gas.

[0014] In the biological information measuring system according to one aspect of the embodiment, the suction device is disposed upstream of the deodorizing member.

[0015] According to the bioinformation measuring system of one aspect of the embodiment, the suction device diffuses the gas in the flow path toward the deodorizing member, which, for example, suppresses the flow in layers, and effectively reduces the possibility that odorous components accumulated in the deodorizing member will flow back through the gas flow path and that the sensor will detect the backflowing gas. In addition, the bioinformation measuring system can more effectively deodorize the defecation gas because it can contact the deodorizing member in a diffused form. Therefore, the bioinformation measuring system can suppress a decrease in the accuracy of gas measurement.

[0016] In a biological information measuring system according to one aspect of the embodiment, the gas sensor is disposed upstream of the deodorizing member and spaced apart from the deodorizing member.

[0017] According to the biological information measuring system according to one aspect of the embodiment, it is possible to prevent odor components accumulated in the deodorizing member from being directly supplied to the gas sensor, and therefore the biological information measuring system can prevent a decrease in the accuracy of gas measurement.

[0018] In a biological information measuring system according to one aspect of the embodiment, the suction device, the gas sensor, and the deodorizing member are arranged in this order from the upstream side of the gas flow path.

[0019] According to the bioinformation measuring system of one aspect of the embodiment, since the suction device is close to the inlet (entrance) side, the gas can be collected in the flow path early and supplied to the gas sensor and the deodorizing member such as the deodorizing catalyst after diffusion, so that the accuracy of the measurement by the sensor detection can be improved. Therefore, the bioinformation measuring system can suppress the deterioration of the gas measurement accuracy. Furthermore, the bioinformation measuring system can improve the deodorizing effect.

[0020] In a biological information measuring system according to one aspect of the embodiment, the gas sensor, the suction device, and the deodorizing member are arranged in this order from the upstream side of the gas flow path.

[0021] According to the bioinformation measuring system of one aspect of the embodiment, since the suction device is provided downstream of the gas sensor, odorous components flowing in from the inlet are prevented from adhering to the suction device, improving the accuracy of the gas sensor, and the suction device can then diffuse the fecal gas and bring it into contact with the deodorizing filter. Therefore, the bioinformation measuring system can improve the accuracy of measurement by the sensor. Therefore, the bioinformation measuring system can prevent a decrease in the accuracy of gas measurement. Furthermore, the bioinformation measuring system can improve the deodorizing effect. Effect of the Invention

[0022] According to one aspect of the embodiment, it is possible to suppress a decrease in gas measurement accuracy. [Brief description of the drawings]

[0023] [Figure 1] FIG. 1 is a perspective view showing an example of the configuration of a toilet room according to an embodiment. [Diagram 2] FIG. 2 is a plan view showing an example of the configuration of the measurement device according to the embodiment. [Diagram 3] FIG. 3 is a diagram illustrating an example of an overall outline of the biological information measuring system according to the embodiment. [Figure 4] FIG. 4 is a diagram showing an example of the relationship between the user's actions and the system's operations. [Diagram 5] FIG. 5 is a block diagram showing an example of the configuration of a toilet seat device according to an embodiment. [Figure 6] FIG. 6 is a block diagram illustrating an example of the configuration of the control device according to the embodiment. [Figure 7] FIG. 7 is a diagram illustrating an example of the configuration of a gas sensor. [Figure 8] FIG. 8 is a diagram illustrating an example of a first configuration according to the embodiment. [Figure 9] FIG. 9 is a diagram illustrating an example of the second configuration according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0024] Hereinafter, an embodiment of the biological information measuring system disclosed in the present application will be described in detail with reference to the attached drawings. Note that the present invention is not limited to the following embodiment. In the present application, a gas derived from intestinal fermentation and indicating a high level of health is called a healthy gas, and a gas derived from intestinal putrefaction and indicating a low level of health is called an odorous gas.

[0025] For example, the health gas is a gas produced by fermentation by beneficial bacteria in the intestine. For example, the health gas may be a gas derived from intestinal fermentation and increases as the health of the intestine increases. Specific examples of the health gas include hydrogen, carbon dioxide, acetic acid, methane, ethanol, water, etc.

[0026] For example, the odorous gas is a gas produced by fermentation caused by harmful bacteria in the intestines. For example, the odorous gas may be a gas containing sulfur components in defecation gas. Examples of odorous gas include ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, indole, and skatole. Note that the defecation gas referred to here is a gas that comes out of the intestines, and includes, for example, gas that comes out at the same time as defecation and gas that is not excreted at the same time as defecation.

[0027] <1. Embodiment> Below, an overview of the toilet room R, which is a gas collection location, and the vital information measurement system 1 will be described, and then various processes executed by the vital information measurement system 1 and the configuration for executing those processes will be described.

[0028] <1-1. Example of toilet room configuration> First, the configuration of the biological information measuring system according to the embodiment will be described with reference to FIG. 1. FIG. 1 is a perspective view showing an example of the configuration of the biological information measuring system according to the embodiment. In FIG. 1, the toilet seat 5 and the toilet lid 9 are shown in a see-through state in order to illustrate the configuration of the measuring device 4. Each of the upward, downward, forward, backward, and side (left and right directions) indicated by the arrows in FIG. 1 indicates a direction as seen from a user seated on the toilet seat 5 arranged along the upper surface of the toilet bowl 7, that is, a seated position of the user of the toilet bowl 7. For example, each of the upward, downward, forward, backward, and side directions may be a direction centered on the opening of the toilet seat 5 on which the user of the toilet bowl 7 sits.

[0029] 1, in a toilet room R, a toilet bowl 7 is installed on a floor surface F. In the following, the direction facing the space of the toilet room R from the floor surface F may be described as "up." In the toilet room R, components of a vital information measuring system 1, such as a measuring device 4 that detects gas including a suction device 10 and a gas detection device 20, are arranged.

[0030] The toilet bowl 7 is a so-called Western-style toilet bowl, and is formed with a bowl portion 8. The bowl portion 8 is concave downwards, and is the portion that receives the user's excrement. The toilet bowl 7 is not limited to a floor-standing type as shown in the figure, and may be of any type, such as a wall-mounted type, as long as the vital information measurement system 1 is applicable. The toilet bowl 7 is provided with a rim portion around the entire periphery of the end of the opening facing the bowl portion 8. In the toilet room R, for example, a flush water tank that stores flush water may be installed near the toilet bowl 7, or a so-called tankless type in which no flush water tank is installed may be used.

[0031] For example, when a user operates a flushing operation unit (not shown) for flushing provided in the toilet room R, a toilet flush is performed by supplying flush water to the bowl portion 8 of the toilet 7. The flushing operation unit may be an operation lever, or a touch operation on a toilet flushing object displayed on the operation device 30. Note that the flushing operation unit is not limited to one that causes the toilet flush to be performed manually by the user, such as an operation lever, but may also be one that causes the toilet flush to be performed by human body detection by a sensor that detects the user, such as a seating sensor.

[0032] The toilet seat device 2 is attached to the top of a toilet bowl 7, and includes a main body 3, a measuring device 4, a toilet seat 5, and a cleaning nozzle 6. The toilet seat device 2 is placed on top of the toilet bowl 7, which is formed with a bowl portion 8 that receives excrement. The toilet seat device 2 is placed on top of the toilet bowl 7 so that the cleaning nozzle 6 advances into the bowl portion 8 before spraying cleaning water. The toilet seat device 2 may be attached detachably to the toilet bowl 7, or may be attached so as to be integrated with the toilet bowl 7.

[0033] The toilet seat device 2, by using the measuring device 4 and other components, measures the biological information of a user of the toilet room R based on the defecation gas discharged into a bowl portion 8 of a toilet 7 installed in the toilet room R. The measuring device 4 has a suction device 10 and a gas detection device 20. The measuring device 4 will be described in detail with reference to FIG. 2.

[0034] As shown in FIG. 1, the toilet seat 5 is formed in an annular shape and is disposed along the edge (rim portion) of the bowl portion 8 in a position overlapping the opening of the toilet bowl 7. A user sits on the toilet seat 5. The toilet seat 5 functions as a seating portion that supports the buttocks of the seated user. In addition, a toilet lid 9 is attached to the toilet seat apparatus 2 as necessary, and the toilet seat apparatus 2 does not necessarily have to have a toilet lid 9.

[0035] The cleaning nozzle 6 is a nozzle for spraying water for cleaning. The cleaning nozzle 6 is configured to be movable forward and backward with respect to the housing of the main body 3 by being driven by a driving source such as an electric motor (such as the nozzle motor 61 in FIG. 5). The cleaning nozzle 6 is also connected to a water source such as a water pipe (not shown). When the cleaning nozzle 6 is in an advanced position (also referred to as the "advanced position") with respect to the housing of the main body 3 as shown in FIG. 1, it sprays water from the water source onto the user's body to clean the private parts.

[0036] 1 shows the cleaning nozzle 6 in the advanced position. The cleaning nozzle 6 may also be used to clean the inside of the toilet bowl 7 (bowl portion 8, etc.). The cleaning nozzle 6 may be used switchably between a private parts cleaning mode for cleaning the private parts of the user and a toilet bowl cleaning mode for spraying water inside the toilet bowl 7. For example, the cleaning nozzle 6 may be used switchably between the private parts cleaning mode and the toilet bowl cleaning mode according to the control by the toilet seat device 2.

[0037] The operating device 30 is provided in the toilet room R. The operating device 30 is provided in a position where it can be operated by a user. The operating device 30 is provided in a position where it can be operated when the user is seated on the toilet seat 5. In FIG. 1, the operating device 30 is provided on a wall surface W on the left side as seen from a user seated on the toilet seat 5. Note that the operating device 30 may be provided in various ways, not limited to on a wall surface, as long as it is usable by a user seated on the toilet seat 5. For example, the operating device 30 may be provided integrally with the toilet seat device 2.

[0038] The operating device 30 is connected to the toilet seat device 2 via a predetermined network so as to be able to communicate with the toilet seat device 2 in a wired or wireless manner. For example, the toilet seat device 2 and the operating device 30 may be connected in any manner as long as they are able to transmit and receive information, and may be connected to each other in a wired or wireless manner so as to be able to communicate with each other.

[0039] The operation device 30 accepts various operations from a user via a display surface (e.g., a display screen 31) using, for example, a touch panel function. The operation device 30 may also include switches and buttons, and accept various operations via the switches and buttons. The display screen 31 is a display screen of a tablet terminal or the like realized by, for example, a liquid crystal display or an organic EL (Electro-Luminescence) display, and is a display device for displaying various information. In other words, the operation device 30 accepts input from the user via the display screen 31, and also outputs to the user. The display screen 31 is a display device for displaying various information.

[0040] The operation device 30 accepts user operations for controlling various functions provided in the toilet room R. The operation device 30 accepts user operations for controlling the execution of local cleansing by the toilet seat device 2. For example, the operation device 30 may have switches, buttons, etc. for accepting the above-mentioned user operations, and may execute various processes in response to the user's touching the switches, buttons, etc. Note that the above is just an example, and the operation device 30 may accept user operations for executing various processes.

[0041] The vital information measuring system 1 measures the vital information of a user of the toilet room R based on the fecal gas discharged into a bowl portion 8 of a toilet 7 installed in the toilet room R, using various configurations and processes described below. The vital information measuring system 1 executes control to appropriately measure the fecal gas. The vital information measuring system 1 may provide information to a user terminal (corresponding to the display means 300 in FIG. 3) such as a smartphone of the user based on the information collected by measurement, etc. The vital information measuring system 1 may also provide information to an operating device 30 (or a display screen 31) of the toilet room R based on the information collected by measurement, etc.

[0042] <1-2. Configuration of the measuring device> Next, the configuration of the measuring device 4 will be described with reference to FIG. 2. FIG. 2 is a plan view showing an example of the configuration of the measuring device according to the embodiment. In the example shown in FIG. 2, the measuring device 4 is disposed inside the main body 3. FIG. 2 illustrates the configuration of the measuring device 4 by removing the housing (cover) of the main body 3 where the measuring device 4 is disposed. The upward, forward, backward, and lateral directions indicated by arrows in FIG. 2 are the same as the directions shown in FIG. 1.

[0043] Measuring device 4 has suction device 10 that sucks gas within bowl portion 8 of toilet bowl 7, gas detection device 20 that detects components of the sucked gas, and deodorizing member 50. Note that inlet portion 12 (bowl portion 8) of gas flow path 11 is defined as the upstream side, and outlet portion 13 (outside main body portion 3) of gas flow path 11 is defined as the downstream side.

[0044] The suction device 10 sucks in gas within the bowl portion 8 from which fecal gas has been discharged by a user of the toilet room R. The suction device 10 sucks in gas within the bowl portion 8 into a gas flow path 11. The suction device 10 has a fan for sucking in gas within the bowl portion 8 of the toilet 7. The suction device 10 is disposed upstream of the deodorizing member 50.

[0045] The suction device 10 is disposed in a gas flow path 11, which is a flow path that communicates with an inlet portion 12 side inside the bowl portion 8 of the toilet bowl 7. The gas flow path 11 passes the gas sucked by the suction device 10. The gas flow path 11 is formed in a tubular shape having a space inside in which the components such as the suction device 10 are disposed. The gas flow path 11 is, for example, a duct. The gas flow path 11 has an inlet portion 12 that causes gas to flow into the gas flow path 11, and an exhaust portion 13 that is provided downstream of the inlet portion 12 and exhausts the gas in the gas flow path 11 to the outside of the gas flow path 11.

[0046] The exhaust section 13 of the gas flow path 11 has an opening on one end (rear end) side of the gas flow path 11, and functions as an exhaust port that causes the gas in the gas flow path 11 to flow out (discharge) from the gas flow path 11, as shown typically by the arrow OT in FIG. 2. As shown in FIG. 2, the exhaust section 13 is disposed so as to discharge the gas in the gas flow path 11 from the rear side of the seating position of the toilet user. Note that the toilet here is not limited to only the toilet bowl 7, but may include a configuration that enables excretion by the user and is necessary for processing the excretion. For example, the toilet may include the toilet bowl 7 and the toilet seat 5. Also, for example, the toilet may include the toilet bowl 7, the toilet seat 5, and the main body 3.

[0047] Further, the inlet 12 of the gas flow passage 11 has an opening on the other end (front end) side (opposite to the exhaust section 13) of the gas flow passage 11, and functions as an inlet for allowing the gas in the bowl section 8 to flow into the gas flow passage 11, as shown typically by the arrow IN in FIG. 2. In this manner, the inlet 12 is disposed at a position where the defecation gas in the bowl section 8 can be collected. The suction device 10 drives the fan to suck the gas in the bowl section 8 using the gas flow passage 11 as a flow passage. For example, the suction device 10 executes a process related to suction under the control of the control device 100. Note that when the suction device 10 is used in common with a deodorizing device or the like incorporated in the toilet seat device 2, the suction device 10 may be controlled by a control means (device) other than the control device 100.

[0048] Gas detector 20 executes a process for detecting components of the gas sucked by suction device 10. Gas detector 20 is disposed between inlet 12 and outlet 13. In FIG. 2, gas detector 20 is disposed after suction device 10 as viewed from bowl 8. Note that FIG. 2 is merely an example, and gas detector 20 may be disposed at any position as long as it is a position where gas sucked by suction device 10 can be introduced. Gas detector 20 is disposed in gas flow path 11 in which outlet 13 side communicates with the outside of main body 3. For example, gas in gas flow path 11 is discharged to the outside of gas flow path 11 in response to driving of suction device 10.

[0049] For example, gas detection device 20 executes processes related to gas detection under the control of control device 100. Gas detection device 20 includes gas sensor 40 that reacts to gas contained in the gas passing through gas flow path 11. Gas sensor 40 detects a specific component of the gas.

[0050] The gas sensor 40 is disposed between the inlet portion 12 and the outlet portion 13. For example, the gas sensor 40 is disposed upstream of the deodorizing member 50 and spaced apart from the deodorizing member 50. For example, a semiconductor gas sensor is used as the gas sensor 40. The gas sensor 40 may be a hydrogen gas sensor capable of detecting hydrogen. The gas sensor 40 may be an odorous gas sensor capable of detecting odorous gas. The gas sensor 40 may be a methane gas sensor capable of detecting methane. For example, the gas detection device 20 has a plurality of gas sensors 40. The plurality of gas sensors 40 may include a gas sensor 40a which is a hydrogen gas sensor, a gas sensor 40b which is an odorous gas sensor, and a gas sensor 40c which is a methane gas sensor. When the gas sensors 40a to 40c are described without making any particular distinction, they will be described as gas sensors 40.

[0051] It should be noted that the above is merely an example, and the gas sensor is not limited to semiconductor gas sensor 40, and any type of sensor may be used. For example, gas detection device 20 may have a gas sensor such as an infrared CO2 sensor (carbon dioxide concentration measuring device).

[0052] The deodorizing member 50 is provided in the gas flow passage 11, and has the function of deodorizing and removing odorous components of defecation gas. For example, the deodorizing member 50 is a catalytic filter (deodorizing filter) that adsorbs odorous gases such as odorous gases. The deodorizing member 50 is provided in the exhaust section 13 of the gas flow passage 11. For example, the deodorizing member 50 is attached to a mechanism for attaching the deodorizing member 50 provided in the exhaust section 13 of the gas flow passage 11, and thereby placed in the exhaust section 13, i.e., at the rear end of the gas flow passage 11.

[0053] In addition, the deodorizing member 50 is provided so as to be detachable from outside the toilet. As shown in Fig. 2, the deodorizing member 50 is exposed to the rear side of the main body 3, and a person can access (contact) the deodorizing member 50 from the rear side of the main body 3. Therefore, for example, when it is time to replace the deodorizing member 50, a person can access the deodorizing member 50 from the rear side of the main body 3, remove the old deodorizing member 50 that is currently being used, and attach a new deodorizing member 50 to the exhaust portion 13 of the gas flow path 11.

[0054] In this way, by disposing the deodorizing member 50, the air from which gases such as odorous gases have been removed by the deodorizing member 50 is discharged outside the main body 3 contained in the toilet (to the rear side of the main body 3 in FIG. 2). Details of the placement of the deodorizing member 50 will be described later. The deodorizing member 50 may also have a function of generating pressure loss (also referred to as a "pressure loss generating function"). In this case, for example, the deodorizing member 50 may function so that the pressure loss generated when the gas passes through the gas flow passage 11 is higher downstream of the placement of the gas sensor 40 in the traveling direction of the gas passing through the gas flow passage 11.

[0055] <1-3. Example of an overview of a biological information measurement system> Next, an example of an overall outline of the biological information measuring system 1 will be described with reference to Fig. 3. Fig. 3 is a diagram showing an example of an overall outline of the biological information measuring system according to an embodiment. The upward, downward, forward, backward, and lateral directions indicated by arrows in Fig. 3 are the same as the directions shown in Figs. 1 and 2. Note that explanations of the same points as those described in Figs. 1 and 2 will be omitted as appropriate.

[0056] 3, the biological information measuring system 1 includes a suction device 10, a gas detection device 20, a deodorizing member 50, a control device 100, and an estimation means 200. Note that in order to clearly show the arrangement of only the deodorizing member 50, a schematic diagram of a state in which the deodorizing member 50 is arranged at the position of the exhaust section 13 (the rearmost part) of the gas flow path 11 is shown in FIG. 3, but the suction device 10 and the gas detection device 20 are also arranged in the gas flow path 11.

[0057] 1 and 2 show the toilet seat device 2 having the suction device 10, the gas detection device 20, and the control device 100, but this is not limited to the above. For example, the control device 100 may be provided separately from the suction device 10 and the gas detection device 20, and may control the suction device 10 and the gas detection device 20 by wirelessly or wired communication with the suction device 10 and the gas detection device 20. As described above, the suction device 10 may be controlled by a control means other than the control device 100.

[0058] The estimation means 200 is a computer (information processing device) having a function of executing estimation processing based on information acquired by detection by the gas detection device 20. For example, the estimation means 200 may be a cloud server (server device) located outside the toilet room R. In this case, the estimation means 200 is connected to a device (also referred to as an "in-toilet device") arranged in the toilet room R, such as the toilet seat device 2 or the gas detection device 20, via a predetermined network such as the Internet in a wired or wireless manner so as to be able to communicate with each other.

[0059] The estimation means 200 is connected to a device that displays information to a user, such as the display means 300, via a predetermined network such as the Internet, in a wired or wireless manner so as to be able to communicate with each other. The estimation means 200 may be connected to devices such as the toilet device and the display means 300 in any manner as long as it is possible to transmit and receive information, and may be connected to the device in the toilet in a wired or wireless manner so as to be able to communicate with each other. The estimation means 200 may be able to communicate with the control device 100.

[0060] The estimation means 200 executes estimation processing regarding the health condition of the user using the information received from the in-toilet device. The data acquired so far may be stored in the estimation means 200 or may be stored in the display means 300. The estimation means 200 generates information for estimating the health condition of the user (also called "health estimation information") or information related thereto based on the amount of health gas and odorous gas in the user's defecation gas. The estimation means 200 calculates a score based on the ratio of the amount of health gas and the amount of odorous gas in the user's defecation gas as the user's health estimation information. For example, the estimation means 200 may use any information such as a ratio or odor alone. The above is only one example, and the estimation means 200 may generate any information as the user's health estimation information. For example, the estimation means 200 may generate the following information as the user's health estimation information, or may generate the health estimation information based on the following processing results.

[0061] For example, the estimation means 200 may estimate information on the intestinal state of the user from the measured value. For example, the estimation means 200 may estimate information on the state of bacteria. In this case, for example, the estimation means 200 may estimate the occupancy rate of a certain bacteria, the amount and ratio of good bacteria and bad bacteria, etc. Also, for example, the estimation means 200 may estimate the state of metabolites. In this case, for example, the estimation means 200 may estimate the amount and ratio of useful substances and harmful substances, etc. For example, the estimation means 200 may estimate the state of intestinal pH. Also, the estimation means 200 may generate information in which the above-mentioned information is scored or evaluated as good or bad. For example, the estimation means 200 may generate the above-mentioned information as health estimation information of the user.

[0062] Also, for example, the estimation means 200 may generate information on the health condition of the user from the measured value. In this case, for example, the estimation means 200 may generate information evaluating the score or goodness / badness of the intestinal environment of the user. For example, the estimation means 200 may generate information on the intestinal environment of the user. For example, the estimation means 200 may generate information on the immunity of the user. For example, the estimation means 200 may generate information on the ease of weight loss of the user. For example, the estimation means 200 may generate information on the cholesterol index. For example, the estimation means 200 may generate information on the metabolic score. For example, the estimation means 200 may generate the above-mentioned information as the health estimation information of the user. Note that the above-mentioned examples are merely illustrative, and the estimation means 200 may generate various information related to the health condition of the user, not limited to the above.

[0063] The estimation means 200 estimates, based on the calculated ratio, that the more the health gases are in the user's defecation gas than the odorous gases, the healthier the user is. The estimation means 200 estimates, based on the calculated ratio, that the more the odorous gases are in the user's defecation gas than the health gases, the unhealthier the user is. Note that the above is merely an example, and the estimation means 200 may make any estimation based on the calculated score. The estimation means 200 transmits information to be provided to the user to the display means 300. The estimation means 200 transmits the calculated score as the user's estimated health information to the display means 300 used by the user.

[0064] The estimation means 200 is not limited to a cloud server (server device), and may be any device. In other words, the device configuration and arrangement of the estimation means 200 may be any form as long as the desired processing can be realized. For example, the estimation means 200 may be a mobile terminal (device) such as a laptop computer that can be carried by an administrator of the vital information measurement system 1. The estimation means 200 may also be disposed in the toilet room R. For example, the estimation means 200 may be configured to be disposed in the toilet room R. For example, the toilet seat device 2 may have the function of the estimation means 200. In this case, the control device 100 may have the function of the estimation means 200.

[0065] The display means 300 is a display device (computer) that displays information to be provided to a user. For example, the display means 300 may be a user terminal (mobile terminal) owned by the user. In this case, the display means 300 is realized by, for example, a smartphone, a mobile phone, a PDA (Personal Digital Assistant), a tablet terminal, a notebook PC (Personal Computer), or the like. For example, the display means 300 is connected to devices included in the biological information measurement system 1, such as the estimation means 200, via a predetermined network so as to be able to communicate with each other by wire or wirelessly.

[0066] The display means 300 transmits and receives information to and from the estimation means 200. The display means 300 receives information to be provided to the user from the estimation means 200. The display means 300 receives a score calculated as estimated health information of the user from the estimation means 200. The display means 300 displays information including the score calculated as estimated health information of the user.

[0067] In Fig. 3, the display means 300 displays the score calculated as the user's health estimation information as the user's intestinal environment score. For example, the display means 300 displays the user's intestinal environment score in chronological order for each date and time of excretion. The display means 300 displays the target score value, information showing the change over time in the user's intestinal environment score, and text information showing the evaluation. For example, the display means 300 may request information from the estimation means 200 and display the information obtained from the estimation means 200.

[0068] Note that the above is merely an example, and the biological information measuring system 1 can adopt any device configuration as long as it can realize the desired processing. In the biological information measuring system 1, the toilet seat device 2 may have a configuration other than the display means 300. For example, the toilet seat device 2 may have a measuring device 4, a control device 100, and an estimation means 200. Also, for example, the display means 300 does not have to be included in the biological information measuring system 1, or may be included in the biological information measuring system 1. For example, when the display means 300 is the operation device 30 of the toilet room R, the display means 300 may be included in the biological information measuring system 1. In this case, the operation device 30 has a function of displaying estimated health information of the user.

[0069] <1-4. User behavior and system operation> Next, an example of the relationship between the movement (behavior) of a user who uses the biological information measuring system 1 and the movement (operation) of the biological information measuring system 1 will be described with reference to Fig. 4. Fig. 4 is a diagram showing an example of the relationship between the behavior of a user and the operation of the system.

[0070] First, a flow of actions of a user who uses the toilet R to defecate will be described with reference to Fig. 4. A user of the toilet R performs actions in stages 1 to 7 as shown in Fig. 4.

[0071] First, the user performs the action of entering toilet room R as a first stage action. After entering toilet room R, the user performs the action of undressing inside toilet room R as a second stage action. After undressing, the user performs the action of sitting on toilet seat 5 in toilet room R as a third stage action. After sitting on toilet seat 5, the user performs the action of defecating into bowl portion 8 of toilet 7 as a fourth stage action.

[0072] After defecating, the user performs finishing actions such as using the toilet seat device 2's local cleansing function or using toilet paper to clean the local area after defecation, as a fifth stage action. After completing finishing after defecation, the user stands up and leaves the toilet seat 5, as a sixth stage action. After leaving the seat, the user performs seventh stage actions such as flushing the toilet bowl 7, leaving the toilet room R, and checking the results of the defecation gas analysis by the vital information measurement system 1.

[0073] Next, the flow of operations of the bioinformation measurement system 1 corresponding to the above-mentioned user's behavior will be described. The bioinformation measurement system 1 starts aspirating gas before the user who entered the toilet room R starts defecation. In FIG. 4, the bioinformation measurement system 1 starts aspirating gas between the first stage and the third stage. As a result, the bioinformation measurement system 1 completes measurement preparation before the user defecates. For example, the bioinformation measurement system 1 aspirates gas in the bowl portion 8 before the user defecates, thereby aspirating gas that serves as a reference (baseline) for comparison with the gas after the user defecates. For example, the bioinformation measurement system 1 calculates the increment (increase) from the baseline to estimate (calculate) the amount of components contained in the defecation gas.

[0074] The vital information measuring system 1 measures the defecation gas of the user from the time the user defecates until the time the user leaves the seat. In Fig. 4, the vital information measuring system 1 measures the defecation gas of the user from before the fourth stage to the fifth stage. In this way, the vital information measuring system 1 aspirates the gas at any time while the user is seated and acquires data.

[0075] After the measurement of the defecation gas is completed, the bioinformation measurement system 1 performs an analysis of the defecation gas. In FIG. 4, the bioinformation measurement system 1 performs an analysis of the defecation gas of the user between the sixth and seventh stages. As a result, after the user finishes defecation, the bioinformation measurement system 1 performs an analysis based on the information of the defecation gas (result) acquired about the user, and calculates a score. The bioinformation measurement system 1 analyzes the defecation gas of the user, and provides the analysis result to the user. The analysis and the provision of the result are not limited to the sixth to seventh stages, and may be performed at any timing as long as the information can be provided. For example, the bioinformation measurement system 1 may provide various information such as the analysis and the result at any timing, such as during measurement or immediately after the measurement is completed.

[0076] <1-5. Functional configuration of the toilet seat device> Next, the functional configuration of the toilet seat device 2 will be described with reference to Fig. 5. Fig. 5 is a block diagram showing an example of the configuration of the toilet seat device according to the embodiment. As shown in Fig. 5, the toilet seat device 2 includes a human sensor 32, a seating sensor 33, an illuminance sensor 34, a control device 100, a nozzle motor 61, and a washing nozzle 6.

[0077] The configuration of the toilet seat device 2 shown in FIG. 5 is merely an example, and when each component is provided separately, the toilet seat device 2 may have only the toilet seat 5. Thus, the configuration of the toilet seat device 2 shown in FIG. 5 is merely an example, and the toilet seat device 2 may have any configuration. The human presence sensor 32, the seating sensor 33, the illuminance sensor 34, and the like may be disposed at any location as long as the desired sensing is possible. Furthermore, the toilet seat device 2 only needs to be capable of detecting a user sitting on the toilet seat 5, and may have at least one of the human presence sensor 32, the seating sensor 33, and the illuminance sensor 34. The toilet seat device 2 transmits and receives information to and from an information processing device such as the estimation means 200 via a predetermined network (such as the Internet) by a communication device (such as the communication unit 110 of the control device 100 in FIG. 6) in a wired or wireless manner.

[0078] The human sensor 32 has a function of detecting a human body. For example, the human sensor 32 is used as a seating detection means for detecting a user sitting on the toilet seat 5. For example, the human sensor 32 is realized by a pyroelectric sensor using an infrared signal. For example, the human sensor 32 may be realized by a μ (micro) wave sensor. For example, the human sensor 32 is an infrared light emitting / receiving distance measuring sensor, and may detect a human body present near the toilet seat 5 immediately before the person (user) sits on the toilet seat 5, or a user sitting on the toilet seat 5.

[0079] The human presence sensor 32 also functions as a seat leaving detection sensor that detects when a user leaves the toilet seat 5. The human presence sensor 32 detects whether the user is seated on the toilet seat 5. The human presence sensor 32 outputs a detection signal to the control device 100. Note that the above is just an example, and the human presence sensor 32 may detect a human body by various means other than the above. For example, the human presence sensor 32 detects a person (such as a user) approaching the toilet seat 5.

[0080] The seating sensor 33 has a function of detecting a person sitting on the toilet seat device 2. For example, the seating sensor 33 is used as a seating detection means for detecting a user sitting on the toilet seat 5. For example, the seating sensor 33 is realized by a load sensor or the like. The seating sensor 33 detects that a user is sitting on the toilet seat 5. The seating sensor 33 is capable of detecting that a user is sitting on the toilet seat 5.

[0081] The seating sensor 33 also functions as a seating detection sensor that detects a user leaving the toilet seat 5. The seating sensor 33 detects the user's seated state on the toilet seat 5. Note that the above is just an example, and the seating sensor 33 may detect a person sitting on the toilet seat device 2 by various means other than the above. The seating sensor 33 outputs a seating detection signal to the control device 100.

[0082] The illuminance sensor 34 is a sensor that detects illuminance. For example, the illuminance sensor 34 is used as a seating detection means that detects a user sitting on the toilet seat 5. For example, the illuminance sensor 34 is disposed at a position facing the bowl portion 8, and detects the illuminance inside the bowl portion 8.

[0083] The illuminance sensor 34 also functions as a seating detection sensor that detects when a user leaves the toilet seat 5. The illuminance sensor 34 detects the user's seated state on the toilet seat 5. Note that the above is merely an example, and the illuminance sensor 34 may be placed in any position as long as it is possible to detect when a user is sitting on the toilet seat 5 based on the illuminance.

[0084] The control device 100 controls various configurations and processes. The control device 100 is a computer (information processing device) that executes various information processes related to gas measurement, etc. The control device 100 may be any device having a configuration required for control, and may be, for example, a microcomputer.

[0085] The control device 100 controls various components for measuring gas. The control device 100 controls the gas detection device 20. The control device 100 transmits control information to the gas detection device 20 via a wired connection. The control device 100 may transmit the control information to the gas detection device 20 wirelessly. For example, when the control device 100 is configured as a device separate from the toilet seat device 2, the control device 100 may transmit the control information of the gas detection device 20 to the toilet seat device 2 wirelessly. In this case, the control device of the toilet seat device 2 may control the gas detection device 20 based on the control information received.

[0086] The control device 100 controls the suction device 10. For example, the control device 100 controls the start and stop of suction by the suction device 10. The control device 100 transmits control information to the suction device 10 via a wired connection. The control device 100 may transmit the control information to the suction device 10 wirelessly. For example, when the control device 100 is configured as a separate device from the toilet seat device 2, the control device 100 may transmit the control information of the suction device 10 to the toilet seat device 2 wirelessly. In this case, the control device of the toilet seat device 2 may control the suction device 10 based on the control information received.

[0087] In addition to the above, the control device 100 also controls various components of the biological information measuring system 1. The control device 100 controls the nozzle motor 61, etc. Based on a signal transmitted from the operation device 30, the control device 100 controls the nozzle motor 61, etc.

[0088] The control device 100 controls the nozzle motor 61 based on a control instruction signal related to local cleaning transmitted from the operation device 30. The control device 100 controls the nozzle motor 61 to advance and retreat the cleaning nozzle 6. The control device 100 may control various mechanisms other than the nozzle motor 61. For example, the control device 100 controls the opening and closing of a solenoid valve that functions as a valve that electromagnetically controls the flow of a fluid. For example, the control device 100 controls the solenoid valve to switch between supplying and stopping tap water from a water supply pipe, for example.

[0089] The control device 100 transmits control information to the nozzle motor 61 etc. via a wired connection. The control device 100 may also transmit control information to the nozzle motor 61 etc. wirelessly. For example, when the control device 100 is configured as a device separate from the toilet seat device 2, it may transmit control information for the nozzle motor 61 etc. to the toilet seat device 2 wirelessly. In this case, the control device of the toilet seat device 2 may control the nozzle motor 61 etc. based on the control information received.

[0090] The control device 100 may also control a toilet lid 9 and a toilet seat 5 as shown in FIG. 1. In this case, the control device 100 controls the toilet lid 9 and the toilet seat 5 based on a signal transmitted from the operation device 30. The control device 100 controls the toilet lid 9 based on a control instruction signal transmitted from the operation device 30 regarding opening and closing of the toilet lid. The control device 100 controls the toilet seat 5 based on a control instruction signal transmitted from the operation device 30 regarding opening and closing of the seat. The control device 100 transmits control information to the toilet lid 9 and the toilet seat 5 via a wired connection. The control device 100 may also transmit control information to the toilet lid 9 and the toilet seat 5 wirelessly.

[0091] The control device 100 determines whether or not a user is seated by seating detection means such as the human sensor 32, the seating sensor 33, and the illuminance sensor 34. The control device 100 determines whether or not a user is seated on the toilet seat 5 based on defecation action use prediction information based on detection by the seating detection means obtained from the seating detection means.

[0092] The nozzle motor 61 is a drive source (motor) that drives the cleaning nozzle 6 to advance and retract. The nozzle motor 61 executes control to advance and retract the cleaning nozzle 6 relative to the main body 3. The nozzle motor 61 executes control to advance and retract the cleaning nozzle 6 in response to an instruction from the control device 100.

[0093] In the configuration shown in FIG. 5, the toilet seat device 2 includes the control device 100 and the like as an example, but the control device 100, the human sensor 32, the seating sensor 33, the illuminance sensor 34, and the like may be configured as devices separate from the toilet seat device 2. For example, the control device 100 may be configured as a device separate from the toilet seat device 2. For example, the control device 100 may be a server device and may be located at a position separated from the toilet seat device 2. In this case, the control device 100 communicates with each device such as the toilet seat device 2, the human sensor 32, the seating sensor 33, and the illuminance sensor 34, and receives various information from each device. In addition, in this case, the toilet seat device 2 may have a configuration (such as a control circuit) for controlling various components of the toilet seat device 2, such as the nozzle motor 61. Note that the above is merely an example, and the biological information measurement system 1 can adopt any device configuration as long as it is capable of performing the desired processing.

[0094] <1-6. Functional configuration of the control device> Hereinafter, the functional configuration of the control device will be described with reference to FIG. 6. FIG. 6 is a block diagram showing an example of the configuration of the control device according to the embodiment. As shown in FIG. 6, the control device 100 has a communication unit 110, a storage unit 120, and a control unit 130. Note that the configuration of the control device 100 is not limited to the configuration shown in FIG. 6, and may be other configurations as long as the desired processing can be realized. For example, the control device 100 does not need to have the communication unit 110.

[0095] The communication unit 110 is realized by, for example, a communication circuit or the like. The communication unit 110 is connected to a predetermined network by wire or wirelessly, and transmits and receives information to and from an external information processing device. For example, the communication unit 110 is connected to a predetermined network by wire or wirelessly, and transmits and receives information to and from other devices such as the operation device 30. The communication unit 110 may be configured as a device (communication device) separate from the control device 100, and may be included in the toilet seat device 2.

[0096] The storage unit 120 is realized by, for example, a semiconductor memory element such as a random access memory (RAM) or a flash memory, or a storage device such as a hard disk or an optical disk. For example, the storage unit 120 is a computer-readable recording medium that non-temporarily records data used by various information processing programs.

[0097] The storage unit 120 according to the embodiment stores various information necessary for processing. The storage unit 120 stores various information acquired from other devices such as various sensors. The storage unit 120 stores various information used in various information processing. For example, the storage unit 120 stores information related to reference value control such as target values.

[0098] Returning to Fig. 6, the description will be continued. The control unit 130 is realized, for example, by an MPU (Micro Processing Unit), a CPU (Central Processing Unit), or the like executing a program (for example, various information processing programs related to the present disclosure) stored inside the control device 100 using a RAM or the like as a working area. The control unit 130 may also be realized, for example, by an integrated circuit such as an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array).

[0099] 6, the control unit 130 has an acquisition unit 131, a processing unit 132, and an output unit 133, and realizes or executes the functions and actions of information processing described below. Note that the internal configuration of the control unit 130 is not limited to the configuration shown in FIG. 6, and may be other configurations as long as they perform the information processing described below.

[0100] The acquisition unit 131 acquires various information. The acquisition unit 131 acquires various information from the storage unit 120. The acquisition unit 131 receives information from other devices. The acquisition unit 131 receives information (detection information, etc.) detected by various sensors from various sensors.

[0101] The acquisition unit 131 acquires information (detection information, etc.) detected by the seating detection means from the seating detection means. The acquisition unit 131 receives information (detection information, etc.) detected by at least one of the human sensor 32, the seating sensor 33, and the illuminance sensor 34 from the sensor.

[0102] The acquisition unit 131 acquires defecation action use prediction information based on detection by the seating detection means. For example, the acquisition unit 131 acquires defecation action use prediction information indicating that the user is seated.

[0103] Processing unit 132 performs various processes. Processing unit 132 performs various processes using information stored in storage unit 120. Processing unit 132 controls gas detection apparatus 20.

[0104] The processing unit 132 performs a calculation process. The processing unit 132 performs the calculation process using various pieces of information stored in the storage unit 120. The processing unit 132 performs the calculation process using various pieces of information acquired by the acquisition unit 131.

[0105] The processing unit 132 calculates various pieces of information related to the gas. The processing unit 132 calculates values ​​based on the measurement values ​​measured by the gas detection device 20. The processing unit 132 calculates the resistance value of the sensor element based on the voltage value measured by the gas sensor 40. For example, the processing unit 132 calculates the resistance value of the sensor element from the measured voltage value using a function that indicates the relationship between the voltage value and the resistance value of the sensor element. The processing unit 132 calculates the resistance value of the sensor element using formula (1).

[0106] The processing unit 132 may calculate the gas concentration based on the calculated resistance value of the sensor element. In this case, the processing unit 132 calculates the gas concentration from the calculated resistance value using a function that indicates the relationship between the resistance value and the gas concentration.

[0107] The output unit 133 executes an output process to output various information. The output unit 133 functions as a transmission unit to transmit various information. The output unit 133 executes the output process by transmitting information to an external information processing device. The output unit 133 transmits information to an external information processing device. For example, the output unit 133 transmits various information to the estimation means 200. For example, the output unit 133 transmits various information to an administrator device such as a personal computer or smartphone used by an administrator of the estimation means 200. The output unit 133 may also execute the output process by transmitting information to the operation device 30 (or the display screen 31).

[0108] The output unit 133 transmits various information used by the estimation unit 200 in the estimation process to the estimation unit 200. The output unit 133 transmits information indicating the measurement values ​​measured by the gas detection apparatus 20. The output unit 133 transmits information indicating the values ​​calculated by the processing unit 132.

[0109] <1-7.Gas sensors> From here, a configuration example of a gas sensor will be described with reference to Fig. 7. Fig. 7 is a diagram showing an example of the configuration of a gas sensor. Specifically, Fig. 7 is a diagram showing an example of a circuit configuration CR of a semiconductor gas sensor 40.

[0110] The gas sensor 40 includes a sensor element and a resistance element for measurement. In Fig. 7, the gas sensor 40 has a circuit configuration CR in which a sensor element (corresponding to the sensor resistor RS in Fig. 7) and a resistance element for measurement (corresponding to the resistance element RL in Fig. 7) are connected in series.

[0111] In the semiconductor gas sensor 40, a value related to the amount of gas is calculated using the following formula (1): Formula (1) corresponds to the circuit configuration CR shown in FIG.

[0112] RS =((Vc-Vout) / Vout)×RL… (1)

[0113] "RS" in formula (1) represents the resistance value of the sensor element. For example, "RS" in formula (1) represents the resistance value of the sensor resistor RS, which is an example of a value calculated based on the measurement by the gas sensor 40. In this way, formula (1) is a formula for calculating the resistance value.

[0114] "RL" in equation (1) represents the resistance value of the resistive element RL. "Vc" in equation (1) represents the voltage value of the circuit voltage Vc. "Vout" in equation (1) represents the voltage value of the output voltage Vout at the resistive element. For example, "Vout" in equation (1) represents the voltage value of the resistive element RL, which is an example of a measured value measured by the gas sensor 40.

[0115] The resistance value of the sensor resistor RS in formula (1) is an index related to the amount of gas. The biological information measurement system 1 calculates an index (resistance value) related to the amount of gas from a measured value (voltage value), and calculates the amount of gas from the calculated resistance value. Although a detailed explanation of the principles of a semiconductor gas sensor will be omitted, for example, "RH" shown only in the circuit configuration CR in FIG. 7 corresponds to a heater (resistance) for heating the sensor element, and "V H " corresponds to the heater voltage. Note that the gas sensor in the present invention is not limited to a semiconductor sensor, and any sensor that satisfies the above formula (1) can be used.

[0116] <1-8. Configuration example> From here, we will explain a configuration example for suppressing a decrease in gas measurement accuracy, assuming the configuration of the above-mentioned vital information measurement system 1. Note that the configuration shown below is just one example, and the vital information measurement system 1 can adopt any configuration as long as the exhaust unit 13 is arranged so as to exhaust gas in the gas flow path 11 to the outside of the toilet from behind the seating position of the toilet user.

[0117] <1-8-1. First Configuration> First, a first configuration example will be described with reference to Fig. 8. Fig. 8 is a diagram showing an example of the first configuration according to the embodiment. Fig. 8 is a schematic diagram showing the arrangement relationship of each component in the gas flow path 11. Note that the description of the same points as those described above will be omitted as appropriate.

[0118] As shown in Fig. 8, in the first configuration example, suction device 10, gas detection device 20, and deodorizing member 50 are arranged in this order from the upstream side of gas flow path 11. Thus, in the first configuration example, gas detection device 20 is arranged upstream of deodorizing member 50 and spaced apart from deodorizing member 50. Fig. 8 shows a case where gas flows from inlet portion 12 (upstream) to outlet portion 13 (downstream) within gas flow path 11, as indicated by gas traveling direction RD.

[0119] As described above, in the biological information measurement system 1 having the first configuration, the exhaust section of the gas flow path is positioned so as to exhaust the gas in the gas flow path 11 outside the toilet from behind the seating position of the toilet user, thereby preventing odorous components accumulated in the deodorizing member 50 from circulating through the flow path and immediately exhausting them into the toilet space, thereby stabilizing the measurement accuracy of the gas sensor 40 of the gas detection device 20. Therefore, the biological information measurement system 1 having the first configuration can suppress a decrease in the measurement accuracy of the gas.

[0120] Furthermore, in the bioinformation measuring system 1 having the first configuration, since the suction device 10 is close to the entrance (inlet section 12) of the gas flow path 11, the gas can be quickly collected into the gas flow path 11 and supplied to the gas sensor 40 and deodorizing member 50 of the gas detection device 20 after diffusion, thereby improving the accuracy of measurement by detection by the gas sensor 40 of the gas detection device 20.

[0121] <1-8-2. Second Configuration> Gas detection device 20 including gas sensor 40 may be disposed at any position upstream of deodorizing member 50 and spaced apart from deodorizing member 50. A second configuration example, which is an example of this point, will be described with reference to FIG. 9. FIG. 9 is a diagram showing an example of the second configuration according to the embodiment. Note that descriptions of the same points as those described above in the first configuration and the like will be omitted as appropriate.

[0122] 9, in the second configuration example, gas detection device 20, suction device 10, and deodorizing member 50 are arranged in this order from the upstream side of gas flow path 11. Thus, in the second configuration example, gas detection device 20 is arranged upstream of deodorizing member 50 and suction device 10 and spaced apart from deodorizing member 50. FIG. 9 shows a case where gas flows from inlet portion 12 (upstream) to outlet portion 13 (downstream) within gas flow path 11, as indicated by gas traveling direction RD.

[0123] As described above, in the biological information measurement system 1 having the second configuration, the exhaust section of the gas flow path is positioned so as to exhaust the gas in the gas flow path 11 outside the toilet from behind the seating position of the toilet user, thereby preventing odorous components accumulated in the deodorizing member 50 from circulating through the flow path and immediately exhausting them into the toilet space, thereby stabilizing the measurement accuracy of the gas sensor 40 of the gas detection device 20. Therefore, the biological information measurement system having the second configuration can suppress a decrease in the measurement accuracy of the gas.

[0124] Furthermore, in the biological information measuring system 1 having the second configuration, the suction device 10 is provided downstream of the gas sensor 40 of the gas detection device 20, so that odorous components that have flowed in from the inlet 12 of the gas flow path 11 are prevented from adhering to the suction device 10, improving the accuracy of the gas sensor 40 of the gas detection device 20, and the suction device 10 can then diffuse the defecation gas and bring it into contact with the deodorizing member 50. Therefore, the biological information measuring system 1 having the second configuration can improve the accuracy of measurement by detection by the gas sensor 40 of the gas detection device 20.

[0125] <1-8-3. Other aspects> The biological information measuring system 1 is not limited to the above, and any configuration can be adopted. An example of this point will be described below.

[0126] For example, in the biological information measuring system 1, a member for adjusting the concentration gradient (also referred to as a “concentration gradient adjusting member”) may be disposed upstream of the arrangement position of the gas sensor 40 in the gas flow passage 11. The concentration gradient adjusting member may generate a pressure loss due to its surface area to generate a turbulent flow, and may generate a smaller pressure loss than the deodorizing member 50.

[0127] For example, the concentration gradient adjusting member may be configured to have a smaller surface area than the deodorizing member 50, thereby generating a smaller pressure loss than the deodorizing member 50. For example, the concentration gradient adjusting member may be a filter without a deodorizing function, configured to pass odorous gases, hydrogen, and carbon dioxide, and to prevent the passage of foreign matter such as urine and cleaning agents. The concentration gradient adjusting member may be a member that mechanically collects foreign matter without using a chemical reaction, such as a fine net-like member. The concentration gradient adjusting member can suppress contamination of the gas sensor 40 by urinary stones and the like.

[0128] The above-described embodiments and modifications can be appropriately combined as long as the processing contents are not contradictory.

[0129] Further advantages and modifications may readily occur to those skilled in the art. Thus, the invention in its broader aspects is not limited to the specific details and representative embodiments shown and described above. Accordingly, various modifications may be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and equivalents thereof.

[0130] The above-described embodiments and modifications may have the following configurations, but are not limited to these. (1) A vital sign measuring system for measuring vital signs of a user of a toilet room based on fecal gas discharged into a bowl of a toilet bowl installed in the toilet room, comprising: a suction device that suctions gas in the bowl from which the fecal gas is discharged by a user of the toilet room; a gas flow path through which the gas sucked by the suction device passes; a gas detection device including a gas sensor that reacts to a gas contained in the gas passing through the gas flow path; a deodorizing member provided in the gas flow path for deodorizing and removing odorous components of the defecation gas; a control device for controlling the suction device and the gas detection device; having the gas flow path includes an inlet portion that causes gas to flow into the gas flow path, and a discharge portion that is provided downstream of the inlet portion and discharges the gas in the gas flow path to the outside of the gas flow path, The gas sensor is disposed between the inlet and the outlet, the inlet is positioned in the bowl at a position capable of collecting fecal gas; The exhaust section is disposed so as to exhaust gas in the gas flow path to the outside of the toilet bowl from a position behind a seated position of a user of the toilet bowl. A biological information measuring system comprising: (2) The deodorizing member is provided at the exhaust portion of the gas flow path. 3. A biological information measuring system according to claim 1. (3) The deodorizing member is provided so as to be detachable from the outside of the toilet. The biological information measuring system according to (2) above. (4) The suction device is disposed upstream of the deodorizing member. The biological information measuring system according to any one of (1) to (3) above. (5) The gas sensor is disposed upstream of the deodorizing member and spaced apart from the deodorizing member. The biological information measuring system according to any one of (1) to (4) above. (6) The suction device, the gas sensor, and the deodorizing member are arranged in this order from the upstream side of the gas flow passage. The biological information measuring system according to any one of (1) to (5) above. (7) The gas sensor, the suction device, and the deodorizing member are arranged in this order from the upstream side of the gas flow path. The biological information measuring system according to any one of (1) to (6) above. [Explanation of symbols]

[0131] 1. Biometric information measurement system 2 Toilet seat device 3 Main body 4. Measuring Equipment 5 Toilet Seat 6 Cleaning nozzle 7. Toilet 8 Bowl section 9 Toilet lid 10 Suction device 11 Gas flow path 12 Inflow section (inlet) 13 Discharge part (discharge port) 20 Gas detection equipment 40 Gas Sensor 50 Deodorizing materials 100 Control device 110 Communications Department 120 Storage section 130 Control section 131 Acquisition Department 132 Processing section 133 Output section 200 Estimation means R Toilet room

Claims

1. A vital sign measuring system for measuring vital signs of a user of a toilet room based on fecal gas discharged into a bowl of a toilet bowl installed in the toilet room, comprising: a suction device that suctions gas in the bowl from which the fecal gas is discharged by a user of the toilet room; a gas flow path through which the gas sucked by the suction device passes; a gas detection device including a gas sensor that reacts to a gas contained in the gas passing through the gas flow path; a deodorizing member provided in the gas flow path for deodorizing and removing odorous components of the defecation gas; a control device for controlling the suction device and the gas detection device; having the gas flow path includes an inlet portion that causes gas to flow into the gas flow path, and a discharge portion that is provided downstream of the inlet portion and discharges the gas in the gas flow path to the outside of the gas flow path, The gas sensor is disposed between the inlet and the outlet, the inlet is positioned in the bowl at a position capable of collecting fecal gas; The exhaust section is disposed so as to exhaust gas in the gas flow path to the outside of the toilet bowl from a position behind a seated position of a user of the toilet bowl. A biological information measuring system comprising:

2. The deodorizing member is provided at the exhaust portion of the gas flow path.

2. The biological information measuring system according to claim 1.

3. The deodorizing member is provided so as to be detachable from the outside of the toilet.

3. The biological information measuring system according to claim 2.

4. The suction device is disposed upstream of the deodorizing member.

4. The biological information measuring system according to claim 1, wherein the biological information measuring system comprises: a first detecting unit;

5. The gas sensor is disposed upstream of the deodorizing member and spaced apart from the deodorizing member.

4. The biological information measuring system according to claim 1, wherein the biological information measuring system comprises: a first detecting unit;

6. The suction device, the gas sensor, and the deodorizing member are arranged in this order from the upstream side of the gas flow passage.

4. The biological information measuring system according to claim 1, wherein the biological information measuring system comprises: a first detecting unit;

7. The gas sensor, the suction device, and the deodorizing member are arranged in this order from the upstream side of the gas flow path.

4. The biological information measuring system according to claim 1, wherein the biological information measuring system comprises: a first detecting unit;

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