CN114143761A - Short-distance contact monitoring method of Bluetooth monitor - Google Patents
Short-distance contact monitoring method of Bluetooth monitor Download PDFInfo
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- CN114143761A CN114143761A CN202111425823.5A CN202111425823A CN114143761A CN 114143761 A CN114143761 A CN 114143761A CN 202111425823 A CN202111425823 A CN 202111425823A CN 114143761 A CN114143761 A CN 114143761A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention relates to the technical field of close range monitoring methods, and discloses a close range contact monitoring method of a Bluetooth monitor, wherein after the Bluetooth monitor is powered on, the Bluetooth monitor scans and reads wireless frequency signals of other nearby Bluetooth monitors for pairing through Bluetooth, and if RSSI values, threshold levels and closed contact time of the two Bluetooth monitors accord with set values, the pairing is successful; when the distance between the two successfully paired Bluetooth monitors is smaller than the set value of the closed contact distance and exceeds the set time, the Bluetooth monitors send out prompt signals and record joint sealing data, and when the distance between the two successfully paired Bluetooth monitors is larger than the set value of the closed contact distance, the Bluetooth monitors stop sending out the prompt signals. Therefore, the RSSI value, the threshold level and the closing contact time are set in the Bluetooth monitor, and before connection is established, pairing between the Bluetooth monitors is carried out through wireless frequency signals, so that the distance monitoring accuracy and precision of the Bluetooth monitors are improved.
Description
Technical Field
The invention relates to the technical field of short-distance detection methods, in particular to a short-distance contact monitoring method of a Bluetooth monitor.
Background
At present, active epidemic prevention and gradual reworking and production are achieved in all countries around the world, communication and communication between people are necessary means for life and work, but due to the characteristic of virus air transmission, when the distance between a person and a patient carrying viruses is smaller than a certain range, the person can be defined as a person in close contact, and the person in close contact needs to be isolated, so that the life and work of people are greatly influenced, and the burden is also increased for medical staff.
In order to effectively prevent the spread of new coronavirus, communication and communication between people must be kept at a certain distance, so that the governments of various countries promote the development of a rework and replication big data management system and provide a Bluetooth positioning deployment information acquisition scheme for the close connection of rework and replication.
However, in the prior art, the bluetooth signal is easily affected by the surrounding environment, and the accuracy of the detection distance fluctuates, so that a certain error is generated in the result, the judgment of the administrator and the medical staff is affected, and the monitoring and the prevention of the epidemic situation are not facilitated.
Disclosure of Invention
The invention aims to provide a close-range contact monitoring method of a Bluetooth monitor, and aims to solve the problem that the monitoring precision of the Bluetooth monitor is not high in the prior art.
The invention is realized in this way, the close range contact monitoring method of the bluetooth monitor, after the bluetooth monitor switches on the power, scan and read the radio frequency signal of other nearby bluetooth monitors to pair through bluetooth, if RSSI value, threshold grade and closing contact time of two bluetooth monitors accord with the set value, pair and succeed;
when the distance between the two successfully paired Bluetooth monitors is smaller than the set value of the closed contact distance and exceeds the set time, the Bluetooth monitors send prompt signals and record the joint sealing data, and when the distance between the two successfully paired Bluetooth monitors is larger than the set value of the closed contact distance, the Bluetooth monitors stop sending the prompt signals and stop recording the joint sealing data.
Further, the signal directions monitored by the two Bluetooth monitors comprise face to face, shoulder to shoulder and back to back.
Further, the RSSI values include 55, 60, 65, 70, 71, 72, 73, 74, 75, 77, and 78.
Further, when the RSSI value is 55, the signal directions are face to face, and the closed contact distance is 0.3 meter;
when the RSSI value is 60, the signal directions are face to face, and the closed contact distance is 0.7 meter;
when the RSSI value is 65, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 1 meter, 0.3 meter, 0.5 meter and 0.2 meter respectively;
when the RSSI value is 70, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 1.8 meters, 0.4 meters, 0.7 meters and 0.3 meters respectively;
when the RSSI value is 71, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.2 meters, 0.5 meters, 0.9 meters and 0.4 meters;
when the RSSI value is 72, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is respectively 2.5 meters, 0.7 meters, 1 meter and 0.5 meter;
when the RSSI value is 73, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.7 meters, 0.8 meters, 1.1 meters and 0.1 meters;
when the RSSI value is 74, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is respectively 2.8 meters, 0.9 meters and 0.8 meters;
when the RSSI value is 75, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3.3 meters, 1 meter, 2 meters and 0.9 meter respectively;
when the RSSI value is 77, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3 meters, 1.1 meters, 2.4 meters and 1 meter respectively;
and when the RSSI value is 78, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3.3 meters, 1.2 meters, 2.5 meters and 1 meter respectively.
Furthermore, a plurality of pieces of seal contact data can be stored in the Bluetooth monitor, and the Bluetooth monitor synchronously monitors the close contact distance with other Bluetooth monitors around in the process of generating and recording the seal contact data.
Further, when the separation distance is smaller than the set closing contact distance value, the Bluetooth monitors continuously generate and record the close contact data until the separation distance between the two Bluetooth monitors is larger than the set closing contact distance value.
Further, after the Bluetooth monitor is powered on or put into a battery, an indicator lamp on the Bluetooth monitor flashes and an alarm sounds to prompt that the Bluetooth monitor enters a pairing mode, and when the RSSI value, the threshold level and the closed contact time meet set values, pairing is successful.
Further, the bluetooth monitor scans every 200ms to monitor whether other bluetooth monitor radio frequency signals are nearby.
Furthermore, the Bluetooth monitor comprises a casing, wherein fixed foam, a control panel, a battery, a vibration motor, an indicator light and an alarm are arranged inside the casing, the control panel is fixed in the casing by the fixed foam, the fixed foam is fixed on the inner side wall of the casing, the control panel is connected to the fixed foam, the fixed foam is coated on the periphery of the control panel, the control panel is respectively and electrically connected with the battery, the vibration motor, the indicator light and the alarm, and the indicator light and the alarm are respectively formed on the control panel;
two layers of elastic nets which are arranged oppositely are arranged in the shell, an installation interval is arranged between the two elastic nets, a concave groove is formed in the inner side wall of the shell, one end of the vibration motor is embedded and fixed in the concave groove, and the other end of the vibration motor extends into the installation interval and is fixedly connected with the two elastic nets;
the outer side of the control panel is connected to the fixed foam, the inner side of the control panel is covered with an insulating layer, and the insulating layer abuts against the elastic net and is fixedly connected with the elastic net;
the batteries are arranged in the installation interval and are respectively fixedly connected with the two elastic nets.
Furthermore, a buckle clamp is arranged on the side edge of the casing, one end of the buckle clamp is movably connected with the casing through a rotating shaft, the other end of the buckle clamp is freely arranged, a clamping interval is formed between the buckle clamp and the side surface of the casing, and a torsion spring for driving the buckle clamp to reset towards the side surface of the casing is sleeved on the rotating shaft;
the other end of the buckle clip is provided with a protrusion which is abutted against the side face of the casing, the side face of the casing is provided with a groove matched with the protrusion, the bottom of the groove is provided with a first contact piece, the first contact piece is electrically connected with the control panel through a wire, the protrusion is provided with a second contact piece, the second contact piece is electrically connected with the control panel through a wire, and when the first contact piece is directly abutted against the second contact piece, the alarm gives an alarm sound for prompting the monitor to fall off.
Compared with the prior art, the close contact monitoring method of the Bluetooth monitors, provided by the invention, has the advantages that the RSSI value, the threshold level and the closing contact time are set in the Bluetooth monitors, the Bluetooth monitors are paired through wireless frequency signals, if the RSSI value, the threshold level and the closing contact time of the two Bluetooth monitors accord with the set values, the pairing is successful, the accuracy and the precision of the distance monitoring of the Bluetooth monitors are improved, the two Bluetooth monitors which are successfully paired are connected, the distance between the two Bluetooth monitors is continuously monitored, and when the distance between the adjacent monitors is smaller than the set value of the closing contact distance, the Bluetooth monitors generate close contact data and simultaneously send out prompt signals to prompt related personnel to keep the safe distance.
Drawings
FIG. 1 is a schematic structural diagram of a Bluetooth monitor of a near contact monitoring method of the Bluetooth monitor provided by the invention;
FIG. 2 is a schematic view of the structure of the Bluetooth monitor with the mating of the protrusion and the groove of the clip;
fig. 3 is a schematic view of a cut-away structure of an elastic net of the bluetooth monitor provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-3, preferred embodiments of the present invention are shown.
The close-range contact monitoring method of the bluetooth monitor, after the bluetooth monitor switches on the power, scan and read the radio frequency signal of other bluetooth monitors nearby through bluetooth and pair, if RSSI value, threshold grade and closing contact time of two bluetooth monitors accord with the set value, pair and succeed;
when the distance between the two successfully paired Bluetooth monitors is smaller than the set closing contact distance value and exceeds the set time, the Bluetooth monitors send prompt signals and record the joint sealing data, and when the distance between the two successfully paired Bluetooth monitors is larger than the set closing contact distance value, the Bluetooth monitors stop sending the prompt signals and stop recording the joint sealing data.
Therefore, the RSSI value, the threshold level and the closing contact time are set in the Bluetooth monitors, the Bluetooth monitors are paired through wireless frequency signals, if the RSSI value, the threshold level and the closing contact time of the two Bluetooth monitors accord with set values, the pairing is successful, the accuracy and the precision of the distance monitoring of the Bluetooth monitors are improved, the two Bluetooth monitors which are successfully paired are connected, the distance between the two Bluetooth monitors is continuously monitored, and when the distance between the adjacent monitors is smaller than the set value of the closing contact distance, the Bluetooth monitors generate close-joint data and send out prompt signals to prompt related personnel to keep a safe distance.
The signal directions monitored by the two Bluetooth monitors comprise face to face, shoulder to shoulder, face to shoulder and face to back. (ii) a The signal direction includes various modes of contact between people, and the accuracy and precision of the sealing data are improved.
RSSI values include 55, 60, 65, 70, 71, 72, 73, 74, 75, 77, and 78;
when the RSSI value is 55, the signal directions are face to face, and the closed contact distance is 0.3 m;
when the RSSI value is 60, the signal directions are face to face, and the closed contact distance is 0.7 m;
when the RSSI value is 65, the signal direction comprises face to face, shoulder to shoulder and back to back, and the closed contact distance is 1 meter, 0.3 meter, 0.5 meter and 0.2 meter respectively;
when the RSSI value is 70, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is 1.8 meters, 0.4 meters, 0.7 meters and 0.3 meters respectively;
when the RSSI value is 71, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.2 meters, 0.5 meters, 0.9 meters and 0.4 meters;
when the RSSI value is 72, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.5 meters, 0.7 meters, 1 meter and 0.5 meter;
when the RSSI value is 73, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.7 meters, 0.8 meters, 1.1 meters and 0.1 meters;
when the RSSI value is 74, the signal direction comprises face to face, shoulder to shoulder and back to back, and the closed contact distance is respectively 2.8 meters, 0.9 meters and 0.8 meters;
when the RSSI value is 75, the signal direction comprises face to face, shoulder to shoulder and back to back, and the closed contact distance is 3.3 meters, 1 meter, 2 meters and 0.9 meter respectively;
when the RSSI value is 77, the signal direction comprises face to face, shoulder to shoulder and back to back, and the closed contact distance is 3 meters, 1.1 meters, 2.4 meters and 1 meter respectively;
when the RSSI value is 78, the signal direction includes face-to-face, shoulder-to-shoulder, and back-to-back, and the closed contact distances are 3.3 meters, 1.2 meters, 2.5 meters, and 1 meter, respectively.
RSSI value is received signal strength and instructs, and the contact mode when personnel is different, and the closed contact distance is different, and the signal direction of bluetooth monitor is also different, corresponds different RSSI value, has improved the accuracy of distinguishing degree and data.
The Bluetooth monitor can store a plurality of pieces of joint sealing data, and synchronously monitors the closing contact distance with other Bluetooth monitors around in the process of generating and recording the joint sealing data; when the distance between the newly-built bluetooth monitor of connecting is less than closed contact distance set point distance like this, the bluetooth monitor can send cue signal to the personnel that are newly close to simultaneously, has improved bluetooth monitor's work efficiency, can impel relevant personnel to reduce the gathering, prevents the hourglass of data simultaneously.
When the separation distance of the two Bluetooth monitors is smaller than the set value of the closed contact distance, the Bluetooth monitors continuously generate and record the tight-joint data until the separation distance between the two Bluetooth monitors is larger than the set value of the closed contact distance; therefore, the sealing connection duration between the two Bluetooth monitors can be recorded, and a manager can conveniently analyze the sealing connection data.
When the Bluetooth monitor is powered on or a battery is placed in the Bluetooth monitor, an indicator lamp on the Bluetooth monitor flashes and an alarm sounds to prompt that the Bluetooth monitor enters a pairing mode, and when the RSSI value, the threshold level and the closed contact time accord with set values, pairing is successful; in this way, an effective signal connection can be ensured between the two bluetooth monitors, thereby ensuring the accuracy and precision of subsequent seal data.
Every 200ms of bluetooth monitor scanning, whether monitoring nearby has other bluetooth monitor radio frequency signals, bluetooth monitor scanning interval's time is short, is convenient for in time to be connected with nearby bluetooth monitor that accords with the pairing condition, prevents the careless omission of data.
The Bluetooth monitor comprises a machine shell 100, wherein fixed foam, a control board 400, a battery 600, a vibration motor 300, an indicator light and an alarm are arranged inside the machine shell 100, the control board 400 is fixed in the machine shell 100 by the fixed foam, the fixed foam is fixed on the inner side wall of the machine shell 100, the control board 400 is connected to the fixed foam, the fixed foam is coated on the periphery of the control board 400, the control board 400 is respectively electrically connected with the battery 600, the vibration motor 300, the indicator light and the alarm, and the indicator light and the alarm are respectively formed on the control board 400; thus, the fixing foam can play a role in shock protection of the control panel 400.
Two layers of elastic nets 200 which are arranged oppositely are arranged in the machine shell 100, an installation interval 201 is arranged between the two elastic nets 200, a concave groove is formed in the inner side wall of the machine shell 100, one end of the vibration motor 300 is embedded and fixed in the concave groove, and the other end of the vibration motor 300 extends into the installation interval 201 and is fixedly connected with the two elastic nets 200;
the outer side of the control panel 400 is connected to the fixed foam, the inner side of the control panel 400 is covered with an insulating layer 500, and the insulating layer 500 abuts against the elastic net 200 and is fixedly connected with the elastic net 200;
the batteries 600 are disposed in the installation space 201 and are respectively fixedly connected with the two elastic nets 200. Thus, when the person wearing the bluetooth monitor is in heavy motion, the elastic net 200 has a shock-absorbing and buffering effect on the circuit structure inside the bluetooth monitor.
The side edge of the casing 100 is provided with a buckle 800, one end of the buckle 800 is movably connected with the casing 100 through a rotating shaft 801, the other end of the buckle 800 is freely arranged, a clamping interval is arranged between the buckle 800 and the side surface of the casing 100, and the rotating shaft 801 is sleeved with a torsion spring 802 for driving the buckle 800 to reset towards the side surface of the casing 100, so that a person can conveniently clamp the Bluetooth monitor on clothes of a body and the Bluetooth monitor is convenient to carry;
the other end of the buckle clip 800 is provided with a protrusion 803 abutting against the side surface of the casing 100, the side surface of the casing 100 is provided with a groove matched with the protrusion 803, the bottom of the groove is provided with a first contact piece 901, the first contact piece 901 is electrically connected with the control board 400 through a lead, the protrusion 803 is provided with a second contact piece 902, the second contact piece 902 is electrically connected with the control board 400 through a lead, when the first contact piece 901 and the second contact piece 902 are directly abutted, the alarm gives an alarm sound for prompting that the bluetooth monitor falls off, thus, when the bluetooth monitor is clipped on clothes, the first contact piece 901 and the second contact piece 902 are separated by the clothes, when the bluetooth monitor falls off from the body carelessly, the first contact piece 901 and the second contact piece 902 are directly abutted against the control board 400 electrically connected to prompt related personnel, and inaccurate joint sealing data generated after the bluetooth monitor falls off is prevented, and loss of real-time monitoring and warning effects on related personnel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The close-range contact monitoring method of the Bluetooth monitor is characterized in that after the Bluetooth monitor is powered on, the Bluetooth monitor scans and reads wireless frequency signals of other nearby Bluetooth monitors for pairing through Bluetooth, and if RSSI values, threshold levels and closed contact time of the two Bluetooth monitors accord with set values, the pairing is successful;
when the distance between the two successfully paired Bluetooth monitors is smaller than the set value of the closed contact distance and exceeds the set time, the Bluetooth monitors send prompt signals and record the joint sealing data, and when the distance between the two successfully paired Bluetooth monitors is larger than the set value of the closed contact distance, the Bluetooth monitors stop sending the prompt signals and stop recording the joint sealing data.
2. The close proximity monitoring method of the bluetooth monitor as set forth in claim 1, wherein the signal directions monitored by the two bluetooth monitors include face-to-face, shoulder-to-shoulder, and back-to-back.
3. The close proximity monitoring method of a bluetooth monitor as claimed in claim 2, wherein the RSSI values include 55, 60, 65, 70, 71, 72, 73, 74, 75, 77, and 78.
4. The close proximity monitoring method of a bluetooth monitor as claimed in claim 3, wherein the RSSI value is 55, the signal directions are face-to-face, and the close proximity distance is 0.3 m;
when the RSSI value is 60, the signal directions are face to face, and the closed contact distance is 0.7 meter;
when the RSSI value is 65, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 1 meter, 0.3 meter, 0.5 meter and 0.2 meter respectively;
when the RSSI value is 70, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 1.8 meters, 0.4 meters, 0.7 meters and 0.3 meters respectively;
when the RSSI value is 71, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.2 meters, 0.5 meters, 0.9 meters and 0.4 meters;
when the RSSI value is 72, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is respectively 2.5 meters, 0.7 meters, 1 meter and 0.5 meter;
when the RSSI value is 73, the signal direction comprises face to face, shoulder to shoulder, face to shoulder and face to back, and the closed contact distance is respectively 2.7 meters, 0.8 meters, 1.1 meters and 0.1 meters;
when the RSSI value is 74, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is respectively 2.8 meters, 0.9 meters and 0.8 meters;
when the RSSI value is 75, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3.3 meters, 1 meter, 2 meters and 0.9 meter respectively;
when the RSSI value is 77, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3 meters, 1.1 meters, 2.4 meters and 1 meter respectively;
and when the RSSI value is 78, the signal direction comprises face to face, shoulder to shoulder, shoulder to face and back to face, and the closed contact distance is 3.3 meters, 1.2 meters, 2.5 meters and 1 meter respectively.
5. The close proximity monitoring method of the Bluetooth monitor according to any one of claims 1 to 4, wherein a plurality of pieces of seal contact data are stored in the Bluetooth monitor, and the Bluetooth monitor synchronously monitors the close proximity distance to other Bluetooth monitors in the surroundings while generating and recording the seal contact data.
6. The close proximity monitoring method of bluetooth monitors according to any one of claims 1 to 4, wherein when the separation distance is less than the close proximity setting value, the bluetooth monitors continuously generate and record the seal data until the separation distance between two bluetooth monitors is greater than the close proximity setting value.
7. The close-range contact monitoring method of the Bluetooth monitor as claimed in any one of claims 1 to 4, wherein when the Bluetooth monitor is powered on or put into a battery, an indicator lamp on the Bluetooth monitor is flashed and an alarm is sounded, indicating that the pairing mode is entered, and when the RSSI value, the threshold level and the closed contact time are in accordance with the set values, the pairing is successful.
8. The method of claim 1, wherein the bluetooth monitor scans every 200ms to detect whether there are other bluetooth monitor radio frequency signals nearby.
9. The close contact monitoring method of the Bluetooth monitor as claimed in any one of claims 1 to 4, wherein the Bluetooth monitor includes a housing, the housing is provided therein with a fixed foam, a control board, a battery, a vibration motor, an indicator light and an alarm, the fixed foam fixes the control board in the housing, the fixed foam is fixed on an inner side wall of the housing, the control board is connected to the fixed foam and covers the periphery of the control board, the control board is electrically connected to the battery, the vibration motor, the indicator light and the alarm are respectively formed on the control board;
two layers of elastic nets which are arranged oppositely are arranged in the shell, an installation interval is arranged between the two elastic nets, a concave groove is formed in the inner side wall of the shell, one end of the vibration motor is embedded and fixed in the concave groove, and the other end of the vibration motor extends into the installation interval and is fixedly connected with the two elastic nets;
the outer side of the control panel is connected to the fixed foam, the inner side of the control panel is covered with an insulating layer, and the insulating layer abuts against the elastic net and is fixedly connected with the elastic net;
the batteries are arranged in the installation interval and are respectively fixedly connected with the two elastic nets.
10. The close-range contact monitoring method of the Bluetooth monitor as claimed in claim 9, wherein a clip is provided at a side of the housing, one end of the clip is movably connected to the housing through a rotation shaft, the other end of the clip is freely disposed, a clamping gap is provided between the clip and a side surface of the housing, and a torsion spring for driving the clip to return to the side surface of the housing is sleeved on the rotation shaft;
the other end of the buckle clip is provided with a protrusion which is abutted against the side face of the casing, the side face of the casing is provided with a groove matched with the protrusion, the bottom of the groove is provided with a first contact piece, the first contact piece is electrically connected with the control panel through a wire, the protrusion is provided with a second contact piece, the second contact piece is electrically connected with the control panel through a wire, and when the first contact piece is directly abutted against the second contact piece, the alarm gives an alarm sound for prompting the monitor to fall off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111425823.5A CN114143761A (en) | 2021-11-26 | 2021-11-26 | Short-distance contact monitoring method of Bluetooth monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111425823.5A CN114143761A (en) | 2021-11-26 | 2021-11-26 | Short-distance contact monitoring method of Bluetooth monitor |
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| CN114143761A true CN114143761A (en) | 2022-03-04 |
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| CN202111425823.5A Pending CN114143761A (en) | 2021-11-26 | 2021-11-26 | Short-distance contact monitoring method of Bluetooth monitor |
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- 2021-11-26 CN CN202111425823.5A patent/CN114143761A/en active Pending
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