TWI637737B - Hospital bed sensing device, system and sensing method thereof - Google Patents

Abstract

The invention provides a hospital bed sensing device, which includes a sensing layer, a processing device, a timer, a communication device and a storage device. The sensing layer has a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece and a second pressure sensing piece. The first pressure sensing piece is disposed at a first position of the patient and the second pressure The sensing piece is arranged at the second position of the patient. The processing device is coupled to a plurality of pressure sensing slices, storage devices, timers, and communication devices. The storage device stores a plurality of patient movement postures. The timer is used to capture multiple physical activity signals of the patient in a specific time range through the processing device. The communication device wirelessly transmits the patient's active posture to the nursing station computer.

Description

Hospital bed sensing device, hospital bed sensing system and sensing method

The invention relates to a hospital bed sensing device, in particular to a hospital bed sensing device with a plurality of pressure sensing sheets, a hospital bed sensing system and a sensing method thereof.

The patient needs to manually call the bell to notify the caregiver when he is unwell or has fecal matter on his underwear. Due to the phenomenon of aging population in society, more and more elderly people need long-term hospitalization, the number of patients increases, and the number of nursing staff is even more insufficient. In addition, the sensing piece in the conventional sensing device is disposed in the sensing layer of the whole piece, which has the disadvantage of high manufacturing cost.

In summary, the inventor feels that the above-mentioned defects can be improved, but it is dedicated to study and cooperate with the application of theory, and finally proposes a reasonable design and effectively improves the above-mentioned defects of the present invention.

The technical problem to be solved by the present invention is to provide a bed sensing device, a bed sensing system and a sensing method thereof, which can detect the patient's physical activity signal in the sensing bed and transmit the patient's physical activity signal to the nursing station A computer for nurses to know the patient's active posture and use less pressure-sensing tablets to reduce manufacturing costs.

In order to solve the above technical problems, the present invention provides a hospital bed sensing device, It is arranged on the sensing bed with a bed sheet above the sensing bed to provide the patient to lie down or sit up. The bed sensing device includes a sensing layer and a processing device. The sensing layer has a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece and a second pressure sensing piece. The first pressure sensing piece is disposed at a first position of the patient and the second pressure The sensing piece is disposed at the second position of the patient, and the multiple pressure sensing pieces are used to sense multiple physical activity signals of the patient. The processing device is coupled to a plurality of pressure sensing pieces, and receives a plurality of physical activity signals sensed by the plurality of pressure sensing pieces. The storage device is coupled to the processing device, and the storage device stores a plurality of strokes of the patient corresponding to the first position of the patient sensed by the first pressure-sensing sheet and the second position of the patient sensed by the second pressure-sensing sheet.

The invention provides a hospital bed sensing system with a hospital bed sensing device. The hospital bed sensing device is arranged on the sensing hospital bed, and a bed sheet is provided above the sensing hospital bed to provide the patient to lie down or sit upright. The bed sensing system includes a sensing layer, a processing device, a storage device, and a nursing station computer. The sensing layer has a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece and a second pressure sensing piece. The first pressure sensing piece is disposed at a first position of the patient and the second pressure The sensing piece is disposed at the second position of the patient, and the multiple pressure sensing pieces are used to sense multiple physical activity signals of the patient. The processing device is coupled to a plurality of pressure sensing pieces, and receives a plurality of physical activity signals sensed by the plurality of pressure sensing pieces. The storage device is coupled to the processing device, and the storage device stores a plurality of strokes of the patient corresponding to the first position of the patient sensed by the first pressure-sensing sheet and the second position of the patient sensed by the second pressure-sensing sheet. The nursing station computer is used to remotely monitor the patient's active posture, and the nursing station computer is provided with a sensing bed field for displaying the patient's active posture.

The invention provides a sensing method of a hospital bed sensing device, which has a hospital bed sensing device. The hospital bed sensing device is provided on the sensing hospital bed. The sensing bed is provided with a bed sheet to provide a patient lying or sitting. The hospital bed sensing device It includes a sensing layer, a processing device, a storage device, a communication device, and a timer. The sensing layer has a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece and a second pressure sensing piece. The sensing method includes: the storage device stores a plurality of pens to sense the patient according to the first pressure sensing piece The first position of the patient and the second pressure sensing piece sense the patient's activity posture corresponding to the patient's second position; the first pressure sensing piece of the sensing layer senses a plurality of physical activity signals of the patient's first position , The second pressure sensing piece of the sensing layer senses a plurality of physical activity signals of the second position of the patient; the processing device receives the plurality of physical activity signals sensed by the plurality of pressure sensing pieces.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are provided for reference and explanation only, and are not intended to limit the present invention.

100‧‧‧Sickbed sensing device

110‧‧‧sensing layer

111‧‧‧First pressure sensor

113‧‧‧Second pressure sensor

115‧‧‧The third pressure sensor

117‧‧‧Fourth pressure sensor

120‧‧‧sensing box

121‧‧‧Processing device

122‧‧‧Storage device

123‧‧‧Timer

124‧‧‧Regulatory circuit

125‧‧‧Communication device

130‧‧‧Power circuit

140‧‧‧sensor bed

150‧‧‧ bed sheet

160‧‧‧Waterproof layer

200‧‧‧Sickbed sensing system

210‧‧‧Nursing station computer

212‧‧‧Sensor bed

220‧‧‧Connection initialization box

230‧‧‧Time frame

240‧‧‧ Ward number box

250‧‧‧Patient name box

260‧‧‧Color-pressure box

270‧‧‧pressure distribution round cake box

280‧‧‧color-percentage box

290‧‧‧Export Excel box

295‧‧‧Exit the system frame

S305‧‧‧Provide a bed sensing device, which is located on the sensing bed, and has a bed sheet above the sensing bed to provide the patient to lie down or sit up. The bed sensing device includes a sensing layer, a processing device, a storage device, and a communication device And timer, the sensing layer has multiple A pressure-sensing sheet, the plurality of pressure-sensing sheets include at least a first pressure-sensing sheet and a second pressure-sensing sheet, and the storage device stores a plurality of pens for sensing the first position and the second position of the patient according to the first pressure-sensing sheet The pressure sensing piece senses the patient's active posture corresponding to the second position of the patient

S310‧‧‧ A plurality of physical activity signals of the first position of the patient are sensed by the first pressure sensing piece of the sensing layer, and a plurality of second positions of the patient are sensed by the second pressure sensing piece of the sensing layer Physical activity signal

S315‧‧‧ Receive multiple physical activity signals sensed by multiple pressure sensing pieces by the processing device

S320‧‧‧The timer captures multiple physical activity signals of the patient through the processing device in a specific time range, and the processing device calculates the patient's active posture according to the specific time range set by the timer and the multiple physical activity signals of the patient

S325‧‧‧The patient ’s active posture is wirelessly transmitted to the nursing station computer by the communication device, where the nursing station computer is equipped with a sensing bed field for displaying the patient ’s active posture

S330‧‧‧A plurality of pressure-sensing sheets further include a third pressure-sensing sheet, the third pressure-sensing sheet is disposed under the side of the bed sheet, and is used to sense the patient's active posture to leave the sensing bed

FIG. 1A is a block diagram of a bed sensing device according to an embodiment of the invention.

FIG. 1B is a schematic perspective view of a hospital bed sensing device according to an embodiment of the invention.

2A is a block diagram of a bed sensing system according to an embodiment of the invention.

FIG. 2B is a field map of a sensing bed of a nursing station computer according to an embodiment of the invention.

FIG. 3 is a flowchart of a sensing method of a bed sensing device according to an embodiment of the invention.

Please refer to FIG. 1A and FIG. 1B at the same time. FIG. 1A is a block schematic diagram of a hospital bed sensing device according to an embodiment of the present invention, and FIG. 1B is a perspective schematic diagram of a hospital bed sensing device according to an embodiment of the present invention. The bed sensing device 100 is disposed on the sensing bed 140, and a bed sheet 150 is provided above the sensing bed 140 to provide the patient to lie down or sit up. The bed sensing device 100 includes a sensing layer 110, a sensing box 120, and a power circuit 130. The processing device 121, the storage device 122, the timer 123, the voltage stabilizing circuit 124, and the communication device 125 are disposed in the sensing box body 120, and the sensing box body 120 is electrically connected to a plurality of pressure sensing pieces through connection terminals. The sensing layer 110 is disposed under the bed sheet 150 and is used to sense a plurality of physical activity signals of the patient. In addition, the area of the sensing layer 110 and the bed sheet 150 are the same, and the bed sheet 150 is connected to the upper side of the sensing layer 110 by pasting or fastening. In other words, the bed sheet 150 can be stuck on the sensing layer 110 with a devil. Sheets 150 are also available In order to buckle the sensing layer 110 with a button. A waterproof layer 160 is further provided between the sensing layer 110 and the bed sheet 150. If the patient is urinating on the bed sheet 150, the waterproof layer 160 may be used to protect the multiple pressure-sensing sheets in the sensing layer 110 from moisture. The bed sensing device 100 and the bed sheet 150 proposed in the present invention have a separable structure. When the bed sheet 150 is inadvertently contaminated with liquid, the caregiver can remove the bed sheet 150 by pasting or snapping to increase the convenience of using the bed sensing device 100 .

The sensing layer 110 has a plurality of pressure sensing pieces. In this embodiment, the plurality of pressure-sensing sheets at least include the first pressure-sensing sheet 111 and the second pressure-sensing sheet 113. The first pressure sensing piece 111 is set at the first position of the patient, and the second pressure sensing piece 113 is set at the second position of the patient. The plurality of pressure sensing pieces are used to sense multiple physical activity signals of the patient. The first The position may be the hip position, and the second position may be the waist position. The first pressure-sensing sheet 111 has two pressure-sensing sheets for detecting the pressure exerted by the patient's left buttocks and right buttocks, respectively. The second pressure-sensing sheet 113 has two pressure-sensing sheets for detecting the pressure exerted by the patient's left waist and right waist, respectively.

The processing device 121 is coupled to the first pressure sensing piece 111, the second pressure sensing piece 113, the storage device 122, the timer 123, and the voltage stabilizing circuit 124. The processing device 121 receives a plurality of physical activity signals sensed by the first pressure sensing piece 111 and the second pressure sensing piece 113. According to the present invention, the processing device 121 can calculate the patient's active posture through the first pressure sensing piece 111 and the second pressure sensing piece 113, which can effectively reduce the manufacturing cost of the bed sensing device 100. The entire sensing layer is used to calculate the patient's active posture, and the entire sensing layer requires a high production cost. In addition, the pressure-sensing sheet proposed by the present invention may have the function of temperature and humidity sensing. When the pressure-sensing sheet detects a patient's urination and the temperature or humidity rises, the communication device 125 notifies the nursing staff of the need Dispatch personnel to change sheets 150.

The storage device 122 stores a plurality of active postures corresponding to the position of the patient's buttocks sensed by the first pressure sensing piece 111 and the waist position of the patient detected by the second pressure sensing piece 113. For example, when the processing device 121 detects that the left hip of the patient is under greater pressure through the first pressure-sensing sheet 111, no pressure is applied on the right hip of the patient The processing device 121 can determine the current posture of the patient lying on the left through the active posture stored in the storage device 122. For example, when the processing device 121 detects that the patient's right waist is under greater pressure through the second pressure-sensing sheet 113, and the patient's left waist is not under pressure, the processing device 121 can store the active posture through the storage device 122 Determine that the patient is currently lying on the right side in an active position.

The timer 123 is used to capture multiple physical activity signals of the patient in a specific time range through the processing device 121, wherein the processing device 121 calculates the patient's physical activity according to the specific time range set by the timer 123 and the multiple physical activity signals of the patient Active posture. For example, the nursing staff can set the timer 123 to detect multiple physical activity signals of the patient every 10 minutes or 20 minutes. The power circuit 130 is used to provide voltages to the plurality of pressure sensing pieces 111, 113, 115, 117, the processing device 121, the storage device 122, the timer 123, and the communication device 125. The voltage stabilizing circuit 124 is coupled between the processing device 121 and the communication device 125 and is used to regulate the voltage provided by the power circuit 130. For example, the voltage stabilizing circuit 124 may have multiple resistors and multiple capacitors to regulate the voltage provided by the power circuit 130. The present invention does not limit the circuit structure of the voltage stabilizing circuit 124. The voltage stabilizing circuit 124 can regulate the voltage of 5V to 3.3V. The communication device 125 wirelessly transmits the patient's active posture to the nursing station computer (not shown) via WIFI.

In an embodiment, the plurality of pressure-sensing sheets of the sensing layer 110 further include a third pressure-sensing sheet 115, which is disposed under the side of the bed sheet 150 and used to sense the patient's activities The posture is to leave the sensing bed 140. For example, when the third pressure-sensing sheet 115 detects that the patient's active posture is leaving the sensing bed, the third pressure-sensing sheet 115 can detect the pressure exerted by the patient's palm or foot. The processing device 121 notifies the nursing staff through the communication device 125 that it needs to be aware that the patient is leaving the sensing bed 140. In an embodiment, the plurality of pressure-sensing slices of the sensing layer 110 further include a fourth pressure-sensing slice 117, and the fourth pressure-sensing slice 117 is disposed at the left shoulder position and the right shoulder position of the patient to improve the bed feeling The measuring device 100 detects the accuracy of the patient's active posture. In other words, the first pressure sensing sheet 111 of the sensing layer 110 Used to detect the position of the patient's buttocks, the second pressure sensing piece 113 of the sensing layer 110 is used to detect the position of the patient's waist, and the third pressure sensing piece 115 of the sensing layer 110 is used to detect the patient's palm or It is the active posture of the foot to leave the sensing bed, and the fourth pressure sensing piece 117 of the sensing layer 110 is used to detect the shoulder position of the patient. The invention can detect the patient's active posture with less pressure sensing piece, which can effectively reduce the production cost.

Please refer to FIG. 1B, FIG. 2A and FIG. 2B at the same time. FIG. 2A is a block diagram of a bed sensing system according to an embodiment of the present invention. FIG. 2B is a field map of a sensing bed of a nursing station computer according to an embodiment of the invention. The bed sensing system 200 has a bed sensing device 100 and a nursing station computer 210. The bed sensing device 100 is disposed on the sensing bed 140. The sensing bed 140 has a bed sheet 150 above it to provide the patient to lie down or sit up. The bed sensing device 100 includes a sensing layer 110, a sensing box 120, and a power circuit 130. The hospital bed sensing device 100 is described with reference to the embodiment of FIG. 1A, and will not be repeated here. In this embodiment, the nursing station computer 210 is used to remotely monitor the patient's active posture. The nursing station computer 210 is provided with a sensor bed field 212 for displaying the patient's active posture.

See Figure 2B. The nursing station computer 210 may be provided with appropriate software or firmware for displaying the sensing bed field 212. The first pressure-sensing sheet 111, the second pressure-sensing sheet 113, the third pressure-sensing sheet 115, the fourth pressure-sensing sheet 117, the connection initialization box 220, the time box 230 included in the sensing bed field 212 Ward number box 240, patient name box 250, color-pressure box 260, pressure distribution pie box 270, color-percentage box 280, export Excel box 290, and exit system box 295. For the first pressure-sensing sheet 111, the second pressure-sensing sheet 113, the third pressure-sensing sheet 115, and the fourth pressure-sensing sheet 117, please refer to the description of the embodiment in FIG. 1B, and details are not described here.

The connection initialization block 220 is used to connect to a specific bed in a specific ward and initialize the physical activity signal of the detected patient. The time box 230 is used to display the current time, for example, year, month, day, and time. The ward number box 240 is used to display the ward number. For example, the ward number can represent a specific floor of a specific medical building Ward. The patient name box 250 is used to display the patient name. For example, the font color of the patient name may indicate the gender of the patient, blue for males, and red for females. The color-pressure box 260 is used to indicate that the color is relatively heavy, green represents no pressure, blue represents pressure, and red represents heavy pressure. In one embodiment, purple represents temperature (not shown), and yellow represents humidity (not shown) Show). The pressure distribution pie box 270 is used to represent the pressure distribution pie chart. For example, when the patient leaves the sensing bed 140, the pressure distribution pie chart is displayed in green. When the patient is lying on the sensing bed 140, the pressure distribution pie chart The pie chart shows blue or red. In one embodiment, when the patient urinates, the pressure distribution pie chart shows purple and yellow. The color-percentage box 280 is used to display the data proportion of the pressure distribution pie box 270. The export Excel box 290 is used to export the Excel table of the patient's physical activity signals at a specific time. The nurse can set the timer 123 to record the patient's physical activity signals every 15 minutes. The exit system block 295 is used to exit the patient bed field 212 of a specific patient, so that the nursing staff can observe the physical activity signals of other patients.

Please refer to FIG. 1B, FIG. 2A and FIG. 3 at the same time. FIG. 3 is a flowchart of a sensing method of a bed sensing device according to an embodiment of the invention. In step S305, a bed sensing device 100 is provided, which is provided on the sensing bed 140, and a bed sheet 150 is provided above the sensing bed 140 to provide a patient to lie down or sit up. The bed sensing device 100 includes a sensing layer 110, a process The device 121, the storage device 122, the timer 123, and the communication device 125. The sensing layer 110 has a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece 111 and a second pressure sensing piece 113 The storage device 122 stores a plurality of active positions of the patient corresponding to the first position of the patient sensed by the first pressure sensing sheet 111 and the second position of the patient sensed by the second pressure sensing sheet 113. In step S310, the first pressure sensing sheet 111 of the sensing layer 110 senses a plurality of physical activity signals at the first position of the patient, and the second pressure sensing sheet 113 of the sensing layer 110 senses the first For multiple physical activity signals in two positions, the first position may be a hip position, and the second position may be a waist position.

In step S315, the processing device 121 receives a plurality of physical activity signals sensed by the plurality of pressure sensing pieces. In step S320, the timer 123 retrieves multiple physical activity signals of the patient through the processing device 121 in a specific time range, and the processing device 121 calculates according to the specific time range set by the timer 123 and the multiple physical activity signals of the patient The patient's active posture. In step S325, the communication device 125 wirelessly transmits the patient's active posture to the nursing station computer 210, wherein the nursing station computer 210 is provided with a sensing bed field 212 for displaying the patient's active posture. In step S330, the plurality of pressure-sensing sheets further include a third pressure-sensing sheet 115. The third pressure-sensing sheet 115 is disposed below the side of the bed sheet 150, and is used to sense the patient's active posture as leaving the sensing bed .

The hospital bed sensing device of the present invention includes a sensing layer, a processing device, a timer, and a communication device. The sensing layer includes a first pressure sensing sheet, a second pressure sensing sheet, a third pressure sensing sheet, and a fourth pressure sensing sheet. The first pressure sensor is located at the hip of the patient, the second pressure sensor is located at the waist of the patient, and the third pressure sensor is used to detect the pressure applied by the palm or foot of the patient. The pressure sensor is placed on the shoulder of the patient. The invention can complete the detection of the physical activity signal of the patient in the sensing bed or the patient is about to leave the bed with a pressure sensing piece with a small area, which can effectively reduce the production cost. In addition, a waterproof layer is further provided between the sensing layer and the bed sheet. The waterproof layer can effectively protect the circuit elements of the sensing layer from moisture. The sensing layer and the bed sheet are connected by sticking or buttons, which can effectively improve the convenience of changing the bed sheet.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention, so any equivalent changes made by using the description and drawings of the present invention are also included in the scope of protection of the rights of the present invention. Inside.

Claims (8)

A hospital bed sensing device. The hospital bed sensing device is provided on a sensing hospital bed. A bed sheet is provided above the sensing hospital bed to provide a patient to lie down or sit up. The hospital bed sensing device includes: a sensing layer, There are a plurality of pressure sensing pieces. The plurality of pressure sensing pieces include at least a first pressure sensing piece, a second pressure sensing piece and a third pressure sensing piece. The first pressure sensing piece is disposed on the The first position of the patient, the second pressure sensing piece is arranged at the second position of the patient, the plurality of pressure sensing pieces is used to sense a plurality of physical activity signals of the patient, and the third pressure sensing piece is arranged at Below the side of the bed sheet, an active posture for sensing the patient is to leave the sensing bed; a processing device, the processing device is coupled to a plurality of pressure sensing pieces, and receives the pressure sensing pieces A plurality of physical activity signals; a storage device coupled to the processing device, the storage device storing a plurality of pens to sense the first position of the patient according to the first pressure sensing piece and the second pressure sensing piece Sensing the patient ’s second position The active posture of the patient; and a timer coupled to the processing device, the timer is used to capture a plurality of physical activity signals of the patient through the processing device in a specific time range, wherein the processing The device calculates the active posture of the patient according to the specific time range set by the timer and multiple physical activity signals of the patient; wherein the area of the bed sheet and the sensing layer is the same, the bed sheet is adhered or The sensing layer is connected in a snap-fit manner. The hospital bed sensing device according to claim 1, further comprising: a communication device coupled to the processing device, the communication device wirelessly transmitting the patient's active posture to a nursing station computer; a power supply Circuit, the power supply circuit is used to provide a voltage to a plurality of pressure sensing pieces, the processing device, the storage device, the communication device and the timer; and a voltage stabilizing circuit, the voltage stabilizing circuit is coupled to the processing device and Between the communication devices, the voltage provided by the power circuit is regulated. The hospital bed sensing device according to claim 2, wherein the processing device, the storage device, the communication device, the timer, and the voltage stabilizing circuit are provided in a sensing box body, and the sensing layer is provided on the bed sheet Below, the sensing box is electrically connected to a plurality of pressure sensing pieces through a connecting terminal, wherein a waterproof layer is provided between the sensing layer and the bed sheet, the first position is a hip position, and the second position is a waist position. A hospital bed sensing system with a hospital bed sensing device, the hospital bed sensing device is set on a sensing hospital bed, and a bed sheet is provided above the sensing hospital bed to provide a patient lying or sitting up, the hospital bed sensing system It includes: a sensing layer with a plurality of pressure sensing pieces, the plurality of pressure sensing pieces at least including a first pressure sensing piece, a second pressure sensing piece and a third pressure sensing piece, the first The pressure sensing piece is arranged at the first position of the patient, and the second pressure sensing piece is arranged at the second position of the patient. The plurality of pressure sensing pieces are used to sense a plurality of physical activity signals of the patient. Three pressure sensing pieces are arranged under the side of the bed sheet, and an active posture for sensing the patient is to leave the sensing bed; a processing device, the processing device is coupled to a plurality of pressure sensing pieces and receives a plurality of pressure sensing pieces A plurality of physical activity signals sensed by the pressure sensing piece; a storage device coupled to the processing device, the storage device storing a plurality of pens to sense the first position of the patient according to the first pressure sensing piece and The second pressure sensing sheet sense The active posture of the patient corresponding to the second position of the patient; a timer coupled to the processing device, the timer is used to capture multiple bodies of the patient through the processing device in a specific time range Active signal, wherein the processing device calculates the active posture of the patient according to the specific time range set by the timer and multiple physical activity signals of the patient; and a nursing station computer for remote monitoring of the patient The active posture, wherein the nursing station computer is provided with a sensing bed field for displaying the active posture of the patient; wherein the area of the bed sheet and the sensing layer is the same, the bed sheet is adhered or fastened Connect the sensing layer. The hospital bed sensing system according to claim 4, further comprising: a communication device coupled to the processing device, the communication device wirelessly transmitting the patient's active posture to the nursing station computer; a power supply Circuit, the power supply circuit is used to provide a voltage to a plurality of pressure sensing pieces, the processing device, the storage device, the communication device and the timer; and a voltage stabilizing circuit, the voltage stabilizing circuit is coupled to the processing device and Between the communication devices, the voltage provided by the power circuit is regulated. The hospital bed sensing system according to claim 5, wherein the processing device, the storage device, the communication device, the timer, and the voltage stabilizing circuit are provided in a sensing box body, and the sensing layer is provided on the bed sheet Below, the sensing box is electrically connected to a plurality of pressure sensing pieces through a connecting terminal, wherein a waterproof layer is provided between the sensing layer and the bed sheet, the first position is a hip position, and the second position is a waist position. A sensing method of a hospital bed sensing device has a hospital bed sensing device. The hospital bed sensing device is provided on a sensing bed. A bed sheet is provided above the sensing bed to provide a patient to lie down or sit up. The bed sensing device includes a sensing layer, a processing device, a storage device, a communication device, and a timer. The sensing layer has a plurality of pressure sensing pieces, and the plurality of pressure sensing pieces include at least a first pressure A sensing piece, a second pressure sensing piece and a third pressure sensing piece, the sensing method includes: the storage device stores a plurality of pens to sense the first position of the patient according to the first pressure sensing piece And the second pressure sensing piece senses an active posture of the patient corresponding to the second position of the patient, wherein the first position is the hip position and the second position is the waist position; the first position of the sensing layer The pressure sensing piece senses a plurality of physical activity signals of the first position of the patient, the second pressure sensing piece of the sensing layer senses a plurality of physical activity signals of the second position of the patient, and the side of the bed sheet The third pressure sensing Sensing the activity of the patient away from the posture sensing beds; and a plurality of physical activity sensed signals received by the processing means a plurality of pressure sensing sheet sensed. The sensing method according to claim 7, the sensing method includes: acquiring a plurality of physical activity signals of the patient by the timer through the processing device in a specific time range, wherein the processing device is based on the timer The set specific time range and the patient's multiple physical activity signals are used to calculate the patient's active posture; and the communication device wirelessly transmits the patient's active posture to a nursing station computer, wherein the nursing The station computer is provided with a sensing bed field for displaying the patient's active posture.