CN107688173B - Water heater with reminding function - Google Patents

Abstract

The invention belongs to the field related to water heaters. It discloses a water heater with a reminder function, which includes at least two sets of first detection devices arranged in the vertical direction. The first detection device includes a signal transmitter and a signal opposite to the signal transmitter. Receiver, the signal receiver generates a confirmation reception signal when receiving the signal transmitted by the signal transmitter; when the user is located between the signal transmitter and the signal receiver, the signal receiver cannot receive the signal transmitted by the signal transmitter. signal; a controller, connected to the signal receiver of each group of first detection devices, is used to obtain the confirmation reception signal sent by each signal receiver, and determine whether the user has fallen based on the obtained confirmation reception signal. Through the above-mentioned first detection device, it is possible to detect and remind the user in time when he/she falls, thus preventing the user from causing large losses or even risking his or her life.

Description

A water heater with reminder function

Technical field

The present invention relates to the technical field related to water heaters, and in particular, to a water heater with a reminder function.

Background technique

At present, solutions such as underreporting plugs and anti-electricity walls are focused on providing users with a safe enough electricity environment for bathing. However, in addition to electricity safety, users also face other dangerous situations during the bathing process, which may eventually lead to It brings great losses or even danger to users. According to tracking statistics, more serious cases include sudden illness, or suffocation and lack of oxygen during bathing. The above situations can cause users to suddenly fall. Existing water heaters cannot monitor and remind in time. , causing users to suffer great losses or even endanger their lives. Therefore, there is a need for a water heater that can help users promptly notify the outside world for rescue after falling down while bathing.

Contents of the invention

The object of the present invention is to provide a water heater with a reminder function to solve the problem that existing water heaters cannot promptly monitor and remind users to fall when bathing.

To achieve this goal, the present invention adopts the following technical solutions:

A water heater with a reminder function, including:

At least two sets of first detection devices are arranged in the vertical direction. The first detection device includes a signal transmitter and a signal receiver opposite to the signal transmitter. The signal receiver receives the signal. When the signal is transmitted by the transmitter, a confirmation reception signal is generated; when the user is located between the signal transmitter and the signal receiver, the signal receiver cannot receive the signal transmitted by the signal transmitter;

A controller, connected to the signal receiver of each group of first detection devices, is used to obtain the confirmation reception signal sent by each of the signal receivers, and determine whether the user has received the confirmation signal according to the obtained confirmation reception signal. fall.

Preferably, the signal transmitter is an optical transmitter, and the signal receiver is an optical receiver.

Preferably, the first detection devices are arranged in three groups, which are installed vertically on the wall from top to bottom. The distances from the first detection devices of the three groups to the ground are respectively L1, L2 and L3, and the L1 ＞L2＞L3.

Preferably, the L1 is 80-120 cm, the L2 is 40-60 cm, and the L3 is 10-20 cm.

Preferably, a second detection device is also included, and the second detection device includes:

A wearable sensing device, worn on the user's body, the wearable sensing device is used to periodically transmit signals;

At least two signal receiving modules, fixedly installed on the water heater or wall, are used to receive signals emitted by wearable sensing devices, and generate distance information between the wearable sensing devices and the signal receiving modules based on the signals. , and when there are two signal receiving modules, the connection between the two signal receiving modules is set vertically or parallel to the ground;

The controller is used to obtain distance information generated by at least two signal receiving modules, and determine whether the user has fallen down based on the distance information.

Preferably, the wearable sensing device includes:

Wearable device, placed above the waist of the user;

A signal transmitting module is located in the wearable device and is used to periodically transmit signals to the signal receiving module.

Preferably, the signal transmitting module includes an ultrasonic transmitter and a timing signal transmitter, and the ultrasonic transmitter and the timing signal transmitter transmit ultrasonic waves and timing signals synchronously and periodically;

The signal receiving module includes an ultrasonic receiver and a timing signal receiver, respectively used to receive ultrasonic waves and timing signals, and the time when the timing signal receiver receives the timing signal is earlier than the time when the ultrasonic receiver receives ultrasonic waves. The ultrasonic receiver is equipped with a timing module.

Preferably, the controller is used for:

Calculate the first height of the wearable sensing device from the ground based on the acquired first distance information generated by at least two signal receiving modules;

Calculate the height of the wearable sensing device from the ground after the first time based on the obtained distance information after the first time generated by at least two signal receiving modules;

Whether the user falls is determined based on the difference between the height of the wearable sensing device from the ground for the first time and the height of the wearable sensing device from the ground after the first time.

Preferably, an alarm module is also included, configured to control an alarm by the controller when the controller determines that the user has fallen.

By arranging at least two groups of first detection devices, the present invention can determine whether the user has fallen based on the confirmation reception signal sent by the signal receiver of each group of first detection devices, and issue an alarm through the alarm module. It can detect and remind users in time when they fall to avoid causing major losses or even life danger to users.

By further setting up a second detection device, the controller determines whether the user has fallen based on the distance information between the wearable sensing device and the signal receiving module generated by the signal receiving module, which can further improve the judgment result of the first detection device. Improve the accuracy of judgment.

Description of the drawings

Figure 1 is a schematic structural diagram of Embodiment 1 of the present invention;

Figure 2 is a structural block diagram of the connection between the first detection device and the controller in Embodiment 1 of the present invention;

Figure 3 is a schematic structural diagram of Embodiment 2 of the present invention;

Figure 4 is a structural block diagram of the connection between the second detection device and the controller in Embodiment 2 of the present invention;

Figure 5 is a structural block diagram of the signal transmitting module of the second detection device according to Embodiment 2 of the present invention;

Figure 6 is a structural block diagram of the signal receiving module of the second detection device in Embodiment 2 of the present invention.

In the picture:

1. First detection device; 11. Signal transmitter; 12. Signal receiver;

2. Second detection device; 21. Wearable sensing equipment; 211. Wearable equipment; 212. Signal transmitting module; 2121. Ultrasonic transmitter; 2122. Timing signal transmitter; 22. Signal receiving module; 221. Ultrasonic receiver; 222. Timing signal receiver;

3. Controller.

Detailed ways

The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation modes.

Example 1:

This embodiment provides a water heater with a reminder function. As shown in Figure 1, the water heater includes at least two sets of first detection devices 1 arranged in the vertical direction for detecting whether the user falls down while bathing. Specifically, referring to Figure 2, the first detection device 1 includes a signal transmitter 11 and a signal receiver 12 located opposite the signal transmitter 11. The signal receiver 12 receives the signal transmitted by the signal transmitter 11 and generates Confirm the received signal; specifically, the above-mentioned signal transmitter 11 can be a light transmitter, which is installed on the wall of the bathroom, and the corresponding signal receiver 12 is a light receiver, which is installed on the wall opposite to the wall where the light transmitter is located. physically. The light transmitter emits a light signal and is received by the light receiver. When the user is located between the signal transmitter 11 and the signal receiver 12, the signal receiver 12 cannot receive the signal transmitted by the signal transmitter 11.

The above-mentioned water heater also includes a controller 3, which is connected to the signal receiver 12 of each group of first detection devices 1, and is used to obtain the confirmation reception signal sent by each signal receiver 12, and based on the status of the obtained confirmation reception signal, Determine whether the user has fallen. In this embodiment, the above-mentioned controller 3 can be integrated with the control system of the water heater, or can be installed separately on the wall, water heater shell, or other carrier, depending on the user's needs.

In this embodiment, preferably, the first detection devices 1 are arranged in three groups, which are installed vertically on the wall of the bathroom from top to bottom. The distances from the three groups of first detection devices 1 to the ground are respectively L1, L2 and L3, where L1>L2>L3, and the values of distance L1, L2 and L3 can be set according to the height of different users. For example, according to the height of a certain user, the above distance L1 is set to 80-120 cm, and the distance L2 is 40 -60cm, distance from L3 is 10-20cm. Through the distance setting of the above three groups of first detection devices 1, they can correspond to the positions of the upper, middle and lower parts of the user's body. For example, the uppermost group of first detection devices 1 corresponds to the chest position of the user's body, and the one in the middle corresponds to the chest position of the user's body. The group of first detection devices 1 corresponds to the user's waist position, and the lowermost group of first detection devices 1 corresponds to the user's foot position. Through the above settings, it can be used to determine whether the user has fallen.

The above-mentioned water heater of this embodiment also includes an alarm module (not shown in the figure), which is used to control the alarm by the controller 3 when the controller 3 determines that the user has fallen. More preferably, this embodiment can also set up a remote communication system, that is, when the alarm module alarms, the controller 3 can transmit the user's fall information to remote devices such as mobile phones and tablet computers to promptly notify the user's relatives to avoid causing accidents. User's losses or even life-threatening.

The working process of this embodiment is described below:

When the above three sets of first detection devices 1 in this embodiment are used, first the first detection device 1 closest to the ground (that is, the first detection device 1 with a distance to the ground of L3) is used to determine whether a user has entered the bathroom. is closest to the ground, so as long as the user enters the light emission range of its signal transmitter 11, the light emitted by the signal transmitter 11 will be blocked. At this time, the signal receiver 12 cannot receive the light and will not generate a confirmation reception signal. The controller 3 cannot obtain the confirmation reception signal, which proves that a user has entered the bathroom.

After confirming that the user has entered the bathroom, if the controller 3 cannot obtain the confirmation reception signal of the signal receiver 12 of the first detection device 1 closest to the ground three times in a row (that is, the light emitted by the signal transmitter 11 is blocked), it can Obtaining the confirmation reception signal of the signal receiver 12 of the two sets of first detection devices 1 with the ground distance L1 and L2 (the light emitted by the signal transmitter 11 is not blocked), it means that the user fell, and at this time, the controller 3. Control the alarm module to alarm to remind the user’s relatives to receive timely treatment to avoid causing losses or even life danger to the user.

If the signal receivers 12 of the above three groups of first detection devices 1 can all send confirmation reception signals to the controller 3, it proves that there is no obstruction between the signal transmitters 11 and the signal receivers 12 of the three groups of first detection devices 1 object, indicating that the user leaves the bathroom.

In this embodiment, through the three sets of first detection devices 1 set up above, it is possible to quickly confirm whether the user has fallen down while bathing, and to provide an alarm in a timely manner, thereby realizing timely monitoring and reminders when the user falls. It should be noted that the first detection device 1 in this embodiment is not limited to three groups, and can also be more than three groups, that is, it can be arranged more densely, which is beneficial to improving the accuracy of monitoring and judgment.

Example 2:

Considering that the first detection device 1 in Embodiment 1 may make errors in judgment when performing monitoring, this embodiment further adds a second detection device 2 on the basis of Embodiment 1. Through the second detection device 2 It can also be judged whether the user has fallen down. At this time, based on the judgment result of the first detection device 1, it can be more accurately judged whether the user has fallen down.

Specifically, as shown in Figures 3 and 4, the second detection device 2 of this embodiment includes a wearable sensing device 21 and at least two signal receiving modules 222, wherein:

The wearable sensing device 21 includes a wearable device 211 and a signal transmitting module 212. The user wears the wearable device 211 when bathing, and the wearable device 211 is placed above the user's waist so that it can move with the user.

The signal transmitting module 212 is located in the wearable device 211 and is used to transmit signals periodically. In this embodiment, referring to FIG. 5 , the signal transmitting module 212 includes an ultrasonic transmitter 2121 and a timing signal transmitter 2122, where the ultrasonic transmitter 2121 For transmitting ultrasonic waves, the timing signal transmitter 2122 is used for transmitting timing signals. In this embodiment, the timing signal is an electromagnetic wave signal, such as a light wave signal, a wireless signal or a radio frequency signal, etc., and in this embodiment, an ultrasonic wave transmitter 2121 and a timing signal are required. The transmitter 2122 transmits ultrasonic waves and timing signals synchronously and periodically. In this embodiment, the above-mentioned ultrasonic wave transmitter 2121 and timing signal transmitter 2122 respectively transmit ultrasonic waves and timing signals every 5 seconds.

The signal receiving module 22 is fixedly arranged relative to the water heater. It can be arranged on the water heater or on the wall of the bathroom. Specifically, in this embodiment, there are at least two signal receiving modules 22, and when the signal receiving module When 22 is two, the connection between the two signal receiving modules 22 is set vertically or parallel to the ground, and the distance between the above-mentioned signal receiving module 22 and the signal transmitting module 212 changes with the movement of the user.

The signal receiving module 22 is configured to receive the signal transmitted by the signal transmitting module 212 , generate distance information between the signal transmitting module 212 and the signal receiving module 22 according to the signal, and send the distance information to the controller 3 . Specifically, as shown in FIG. 6 , the signal receiving module 22 includes an ultrasonic receiver 221 and a timing signal receiver 222 , where the ultrasonic receiver 221 is arranged corresponding to the ultrasonic transmitter 2121 and is used to receive ultrasonic waves transmitted by the ultrasonic transmitter 2121 . The timing signal receiver 222 is provided corresponding to the timing signal transmitter 2122 and is used to receive the timing signal transmitted by the timing signal transmitter. Moreover, in this embodiment, the timing signal receiver 222 receives the timing signal earlier than the ultrasonic receiver 221 receives ultrasonic waves. The ultrasonic receiver 221 is provided with a timing module (not shown in the figure) for recording ultrasonic waves. The time from when the transmitter 2121 transmits an ultrasonic wave to when the ultrasonic wave is received by the ultrasonic receiver 221. Specifically, when the ultrasonic transmitter 2121 emits ultrasonic waves, the timing signal transmitter 2122 synchronously transmits the timing signal. Due to the characteristics of the timing signal itself, its propagation speed is 300,000 kilometers/second, which is much greater than the propagation speed of the ultrasonic wave. Therefore, the timing signal The propagation time can be ignored, that is, it can be considered that the time for the timing signal receiver 222 to receive the light wave is equal to the time for the timing signal transmitter 2122 to emit the light wave, and then when the timing signal receiver 222 receives the timing signal, the timing on the ultrasonic receiver 221 The module starts timing. At this time, it is considered that the ultrasonic transmitter 2121 has just emitted ultrasonic waves. When the ultrasonic receiver 221 receives the ultrasonic waves, the timing module stops timing. At this time, the ultrasonic emission can be calculated based on the time recorded by the timing module and the speed of the ultrasonic waves. The distance between the detector 2121 and the ultrasonic receiver 221, and the ultrasonic receiver 221 generates distance information.

It should be noted that the above-mentioned signal transmitting module 212 and signal receiving module 22 of this embodiment are not limited to the above-mentioned ultrasonic transmitter 2121 and timing signal transmitter 2122, ultrasonic receiver 221 and timing signal receiver 222 solutions, and may also be Other solutions that can calculate the distance between the signal transmitting module 212 and the signal receiving module 22 can also use infrared or photoelectric sensing equipment to calculate the distance.

The above-mentioned controller 3 is also used to obtain the distance information generated by the signal receiving module 22, specifically, obtain the distance information generated by the ultrasonic receiver 221, and then determine whether the user has fallen down based on the distance information. The specific methods are as follows:

First, the controller 3 obtains the distance information sent by at least two ultrasonic receivers 221 for the first time, which is called the first distance information, and then obtains the multiple distance information sent by at least two ultrasonic receivers 221 after the first time. The distance information is called the distance information after the first time. The distance information after the first time sent by each ultrasonic receiver 221 can be multiple, that is, the ultrasonic receiver 221 will send the first time every certain time. Subsequent distance information is sent every 5 seconds in this embodiment.

After that, the controller 3 calculates the height of the first wearable sensing device 21 from the ground based on the obtained first distance information. Specifically, when there are two signal receiving modules 22, the distance between the two signal receiving modules 22 is The connection is perpendicular or parallel to the ground. Taking the connection perpendicular to the ground as an example, the height of the two signal receiving modules 22 from the ground is known, and the two signal receiving modules 22 and the signal transmitting module 212 of the wearable sensing device 21 The distance between them is also measured. At this time, the two signal receiving modules 22 and the signal transmitting module 212 are in a plane perpendicular to the ground, and the two signal receiving modules 22 and the signal transmitting module 212 together form a triangle. The height of each signal receiving module 22 from the ground and the distance between the two signal receiving modules 22 and the signal transmitting module 212 can be calculated by calculating the height of the signal transmitting module 212 from the ground.

When there are more than two signal receiving modules 22 , a circle is constructed with the position of the signal receiving module 22 as the center and the distance between the signal receiving module 22 and the signal transmitting module 212 as the radius. Since there are two signal receiving modules 22 The above are all arranged on the wall, so at least three or more circles can be constructed. At this time, the intersection of the three or more circles is unique (that is, the position of the signal transmitting module 212 in this embodiment), so the signal transmitting module 212 can be The height is calculated.

Then the controller 3 calculates the height of the wearable sensing device 21 from the ground after the first time based on the obtained distance information after the first time. The calculation principle is the same as the calculation of the height of the wearable sensing device 21 from the ground for the first time. The principle is the same.

After that, it is determined whether the user has fallen based on the difference between the height of the wearable sensing device 21 from the ground for the first time and the height of the wearable sensing device 21 from the ground after the first time. That is, when the first time the user falls, When the difference between the height of the wearable sensing device 21 from the ground and the height of the wearable sensing device 1 from the ground after the first time is greater than the preset difference, it can be determined that the user has fallen. For example, when the user is taking a bath normally, the first measured height of the wearable sensing device 21 from the ground is L1, and then the height of the wearable sensing device 21 from the ground is measured every 5 seconds after the first measurement. After the first detection, set the height of the wearable sensing device 1 from the ground to L2, and then calculate the difference between L1 and L2. When the user falls, the difference between L1 and L2 will be greater than the preset value. Difference, when the controller 3 measures the difference between L1 and L2 for more than two consecutive times to be greater than the preset difference, it can be judged that the user has fallen. In this embodiment, the above-mentioned preset difference value may be set to 0.5 meters.

The water heater of the present invention can independently determine whether the user has fallen through the second detection device 2 of this embodiment. When using the water heater of this embodiment, the first detection device 1 or the second detection device can be turned on independently as needed. 2. You can complete the judgment of whether the user has fallen.

More preferably, in this embodiment, the first detection device 1 and the second detection device 2 can be combined to determine whether the user has fallen. Specifically, when the controller 3 passes the first detection device 1 and the second detection device 2 When the detection device 2 determines that the user has not fallen, the user is in a normal state.

When the controller 3 determines that the user has fallen through both the first detection device 1 and the second detection device 2, since both detection devices give the same result at this time, it means that the user has indeed fallen, and the judgment result is more accurate. The misjudgment rate when using one of the detection devices alone for detection is reduced. At this time, the controller 3 controls the alarm module to alarm to remind the user that the user's loved one has fallen.

When the controller 3 determines that the user has fallen down through one of the first detection device 1 and the second detection device 2, and the other detection device determines that the user has not fallen, the alarm module does not directly alarm. The device 1 and the second detection device 2 continue to detect. When the detection is performed multiple times, if the controller 3 detects the same result through the first detection device 1 and the second detection device 2, the controller 3 will respond accordingly according to the judgment result. operation, if one of the detection devices still determines that the user has fallen, and the other detection device determines that the user has not fallen, the controller 3 will directly control the alarm module to alarm in time, and the user's relatives will confirm.

In this embodiment, by providing the second detection device 2, the judgment result of the first detection device 1 can be further improved and the accuracy of the judgment result can be improved.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (8)

1. A water heater with a reminder function, which is characterized by including: At least two sets of first detection devices are arranged in the vertical direction. The first detection device includes a signal transmitter and a signal receiver opposite to the signal transmitter. The signal receiver receives the signal. When the signal is transmitted by the transmitter, a confirmation reception signal is generated; when the user is located between the signal transmitter and the signal receiver, the signal receiver cannot receive the signal transmitted by the signal transmitter; A controller, connected to the signal receiver of each group of first detection devices, is used to obtain the confirmation reception signal sent by each of the signal receivers, and determine whether the user has received the confirmation signal according to the obtained confirmation reception signal. fall; The water heater with reminder function also includes a second detection device, and the second detection device includes: A wearable sensing device, worn on the user's body, the wearable sensing device is used to periodically transmit signals; At least two signal receiving modules, fixedly installed on the water heater or wall, are used to receive signals emitted by wearable sensing devices, and generate distance information between the wearable sensing devices and the signal receiving modules based on the signals. , and when there are two signal receiving modules, the connection between the two signal receiving modules is set vertically or parallel to the ground; The controller is used to obtain distance information generated by at least two signal receiving modules, and determine whether the user has fallen based on the distance information; The controller determines whether the user has fallen by combining the first detection device and the second detection device. 2. The water heater with reminder function according to claim 1, wherein the signal transmitter is a light transmitter and the signal receiver is a light receiver. 3. The water heater with a reminder function according to claim 2, characterized in that the first detection devices are arranged in three groups, vertically installed on the wall from top to bottom, and the three groups of the first detection devices The distances to the ground are L1, L2 and L3 respectively, and L1>L2>L3. 4. The water heater with a reminder function according to claim 3, wherein the L1 is 80-120 cm, the L2 is 40-60 cm, and the L3 is 10-20 cm. 5. The water heater with reminder function according to claim 1, characterized in that the wearable sensing device includes: Wearable device, placed above the waist of the user; A signal transmitting module is located in the wearable device and is used to periodically transmit signals to the signal receiving module. 6. The water heater with reminder function according to claim 5, characterized in that the signal transmitting module includes an ultrasonic transmitter and a timing signal transmitter, and the ultrasonic transmitter and the timing signal transmitter transmit synchronously and periodically. Ultrasonic and timing signals; The signal receiving module includes an ultrasonic receiver and a timing signal receiver, respectively used to receive ultrasonic waves and timing signals, and the time when the timing signal receiver receives the timing signal is earlier than the time when the ultrasonic receiver receives ultrasonic waves. The ultrasonic receiver is equipped with a timing module. 7. The water heater with reminder function according to claim 6, characterized in that the controller is used for: Calculate the first height of the wearable sensing device from the ground based on the acquired first distance information generated by at least two signal receiving modules; Calculate the height of the wearable sensing device from the ground after the first time based on the obtained distance information after the first time generated by at least two signal receiving modules; Whether the user falls is determined based on the difference between the height of the wearable sensing device from the ground for the first time and the height of the wearable sensing device from the ground after the first time. 8. The water heater with reminder function according to any one of claims 1 to 7, characterized in that, It also includes an alarm module for controlling the alarm by the controller when the controller determines that the user has fallen.