CN210295363U - High-level laboratory personnel positioning alarm device - Google Patents
High-level laboratory personnel positioning alarm device Download PDFInfo
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- CN210295363U CN210295363U CN201921935141.7U CN201921935141U CN210295363U CN 210295363 U CN210295363 U CN 210295363U CN 201921935141 U CN201921935141 U CN 201921935141U CN 210295363 U CN210295363 U CN 210295363U
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Abstract
The utility model provides a high-level laboratory personnel location alarm device, relates to a laboratory location alarm technique, in order to solve in the high-level laboratory because the restriction of video blind area and can't be to the laboratory personnel all-round location and in the problem that takes place emergency and can't use communication equipment in time to report to the police. The novel UWB base stations are respectively arranged on the wall of a laboratory; the UWB base station is connected with the switch; the switch is connected with the upper computer; the positioning alarm bracelet is worn on the wrist of a laboratory worker; the ring belt is of a circular ring structure, and the ring body is fixed on the ring belt; the shielding plate is arranged on the inner side of the girdle band, the alarm transmitting circuit is arranged on the outer side of the girdle band, and the UWB positioning tag is arranged between the shielding plate and the alarm transmitting circuit; the UWB positioning tag is used for transmitting UWB signals; the alarm transmitting circuit is used for transmitting electromagnetic waves in a triggering mode; the UWB receiver is used for receiving UWB signals; the alarm receiving circuit is used for receiving the electromagnetic waves and giving an alarm. The intelligent alarm system has the beneficial effects of accurate positioning and timely alarming in case of emergency.
Description
Technical Field
The utility model relates to a laboratory positioning alarm technique.
Background
The carrying of internet communication devices such as mobile phones and the like is forbidden in high-level laboratories; due to the particularity of the laboratory building, the communication signals can be shielded, namely the communication signals between the interior of the laboratory and the outside are poor, so that the conventional GPS signals cannot be covered in all directions; if the video image is used for positioning the laboratory personnel, the video points cannot be spread all over the corners of the laboratory, particularly in auxiliary rooms such as dressing rooms, shower rooms and toilets, and the setting of the video points can involve invading the privacy of the individual; meanwhile, emergency situations are easy to happen in laboratories, and internet communication devices such as mobile phones cannot be adopted for timely alarming because the high-level laboratories are forbidden to carry the internet communication devices such as the mobile phones.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-level laboratory personnel location alarm device for solve in the high-level laboratory because the restriction of video blind area and can't be to the problem that experimental personnel all-round location and can't use communications facilities in emergency and in time report to the police.
The utility model relates to a high-level laboratory personnel positioning alarm device, which comprises N UWB base stations, a switch and a positioning alarm bracelet;
the N UWB base stations are respectively arranged on the wall of the laboratory; the positioning alarm signal output ends of the N UWB base stations are respectively connected with the positioning alarm signal input end of the switch; the positioning alarm signal output end of the switch is connected with the positioning alarm signal input end of the upper computer;
the positioning alarm bracelet is worn on the wrist of a laboratory worker;
the positioning alarm bracelet comprises an annular belt and a ring body;
the ring belt is of a circular ring structure, and the ring body is fixed on the ring belt;
n is a positive integer greater than or equal to 3;
the ring body comprises a shielding plate, a UWB positioning tag and an alarm transmitting circuit;
the shielding plate is arranged on the inner side of the girdle band, the alarm transmitting circuit is arranged on the outer side of the girdle band, and the UWB positioning tag is arranged between the shielding plate and the alarm transmitting circuit;
the UWB positioning tag is used for transmitting UWB signals;
the alarm transmitting circuit is used for transmitting electromagnetic waves in a triggering mode;
the UWB base station comprises a UWB receiver and an alarm receiving circuit;
the UWB receiver is used for receiving UWB signals;
the alarm receiving circuit is used for receiving the electromagnetic waves transmitted by the alarm transmitting circuit and triggering the alarm to alarm.
The utility model discloses a location principle does: the UWB positioning method comprises the steps that UWB positioning tags are used for emitting UWB signals, wherein UWB is an Ultra-wide band for short, Chinese meaning is Ultra wide band, namely the UWB signals are Ultra wide band models, the UWB signals are received by UWB receivers in a plurality of UWB base stations at the same time and are transmitted to an upper computer through a switch respectively, the upper computer utilizes TDOA to demonstrate a ranging positioning algorithm, the accurate positions of the UWB positioning tags are obtained, and the UWB positioning tags are worn on wrists of laboratory staff, so that accurate positioning of the laboratory staff is achieved.
The utility model discloses a wireless alarm principle does: when emergency occurs in a laboratory, laboratory personnel transmit electromagnetic waves in a triggering mode through the alarm transmitting circuit, the electromagnetic waves are transmitted in the laboratory in a wireless mode and received by the alarm receiving circuit, and the alarm receiving circuit converts the electromagnetic waves into electric signals to control the alarm to give an alarm.
The utility model has the advantages that the utility model realizes the omnibearing setting of laboratory experimenters in high-grade laboratories, and has no positioning blind area; and by reasonably arranging the alarm transmitting circuit and the alarm receiving circuit, the wireless alarm under the emergency condition can be completed by the ring body.
Drawings
FIG. 1 is a schematic diagram of a UWB base station location distribution in a first embodiment;
FIG. 2 is a block diagram of a UWB base station transmission in accordance with an embodiment;
fig. 3 is a schematic structural view of a positioning alarm bracelet in the first embodiment;
FIG. 4 is a circuit diagram of an alarm transmitter circuit in accordance with a second embodiment;
fig. 5 is a circuit diagram of an alarm receiving circuit in the third embodiment.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the high-level laboratory personnel positioning alarm device according to the embodiment includes N UWB base stations 1, an exchanger 2 and a positioning alarm bracelet 4;
the N UWB base stations 1 are respectively arranged on the wall of the laboratory; the positioning alarm signal output ends of the N UWB base stations 1 are respectively connected with the positioning alarm signal input end of the switch 2; the positioning alarm signal output end of the switch 2 is connected with the positioning alarm signal input end of the upper computer 3;
the positioning alarm bracelet is worn on the wrist of a laboratory worker;
the positioning alarm bracelet comprises an endless belt 4-1 and a ring body 4-2;
the ring belt 4-1 is a circular ring structure, and the ring body 4-2 is fixed on the ring belt 4-1;
n is a positive integer greater than or equal to 3;
the ring body comprises a shielding plate, a UWB positioning tag and an alarm transmitting circuit;
the shielding plate is arranged on the inner side of the ring belt 4-1, the alarm transmitting circuit is arranged on the outer side of the ring belt 4-1, and the UWB positioning tag is arranged between the shielding plate and the alarm transmitting circuit; the shielding plate is used for isolating the alarm transmitting circuit from a human body and preventing false alarm;
the UWB positioning tag is used for transmitting UWB signals;
the alarm transmitting circuit is used for transmitting electromagnetic waves in a triggering mode;
the UWB base station 1 comprises a UWB receiver and an alarm receiving circuit;
the UWB receiver is used for receiving UWB signals;
the alarm receiving circuit is used for receiving the electromagnetic wave transmitted by the alarm transmitting circuit and triggering the alarm 5 to alarm.
In this embodiment, as shown in fig. 1, 2 UWB base stations 1 are provided in the corridor, 4 UWB base stations 1 are provided in the laboratory, the switch 2 and the upper computer 3 are respectively provided in the central control room, and the positioning alarm signal output terminal of the UWB base station 1 is connected to the positioning alarm signal input terminal of the switch 2 through the local area network.
The ring belt 4-1 is made of rubber materials, and the shielding plate is made of insulating materials.
The second embodiment is as follows: the embodiment is described with reference to fig. 4, and is further limited to the first embodiment, in which the alarm transmitting circuit includes a frequency modulation coil L1, an induction coil L2, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a transistor Q1, a transistor Q2, a transistor Q3, a transistor Q4, a light emitting diode D1, and a first power supply 6;
one end of the induction coil L2 is connected with the base electrode of the triode Q4, the emitter electrode of the triode Q4 is connected with the base electrode of the triode Q3, and the collector electrode of the triode Q4 is simultaneously connected with the anode of the light-emitting diode D1, the collector electrode of the triode Q2, one end of the capacitor C2 and one end of the frequency modulation coil L1;
the cathode of the light-emitting diode D1 is connected with the collector of the triode Q3;
the emitter of the transistor Q3 is simultaneously connected with the emitter of the transistor Q2, the emitter of the transistor Q1 and the negative electrode of the first power supply 6;
the positive electrode of the first power supply 6 is simultaneously connected with the other end of the frequency modulation coil L1, the collector of the triode Q1 and one end of the capacitor C1;
the other end of the capacitor C1 is connected with the base of the triode Q2 and one end of the resistor R2;
the other end of the capacitor C2 is connected with the base of the triode Q1 and one end of the resistor R3;
one end of the resistor R1 is connected with the other end of the resistor R2 and the other end of the resistor R3 at the same time;
the other end of the resistor R1 is connected to the center tap of the fm coil L1.
In this embodiment, an induction furnace is constituted by a transistor Q3, a transistor Q4, a light emitting diode D1, and an induction coil L2; the frequency modulation transmitting circuit consists of a frequency modulation coil L1, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a triode Q1, a triode Q2 and a first power supply 6;
when a sudden emergency occurs in a laboratory, the human body generates induction current by approaching the induction coil L2, and the induction coil L2 is prompted to emit electromagnetic waves; the alarm is triggered in a human body approaching mode, the alarm mode is simple, and various emergency situations in a laboratory can be met; the rated voltage of the first power supply 6 is 3V; the capacitance value of the capacitor C1 is 15PF, the capacitance value of the capacitor C2 is 15PF, the resistance value of the resistor R1 is 10K omega, the resistance value of the resistor R2 is 2K omega, the resistance value of the resistor R3 is 2K omega, the model of the triode Q1 is 9018, the model of the triode Q2 is 9018, the model of the triode Q3 is 9018, and the model of the triode Q4 is 9018; the induction coil L2 is a planar spiral; the frequency modulation coil L1 is provided with a middle tap; the frequency of the transmitted electromagnetic wave is changed by changing the position of the intermediate tap.
The third concrete implementation mode: the present embodiment is described with reference to fig. 5, and is further limited to the first embodiment of the present invention, in which the alarm receiving circuit includes a receiving antenna H1, a resistor R4, a capacitor C3, a capacitor C4, a diode D2, a diode D3, a diode D4, a transistor Q5, a transistor Q6, an electromagnetic relay, a second power supply 7, and a third power supply 8;
one end of a receiving antenna H1 is connected with one end of a capacitor C4, and the other end of the receiving antenna H1 is simultaneously connected with the anode of a diode D4, one end of a capacitor C3, the emitter of a triode Q5 and the cathode of a second power supply 7;
the other end of the capacitor C4 is connected with the anode of the diode D3 and the cathode of the diode D4;
the cathode of the diode D3 is connected with the other end of the capacitor C3 and one end of the resistor R4;
the other end of the resistor R4 is connected with the base electrode of the triode Q6, and the emitting electrode of the triode Q6 is connected with the base electrode of the triode Q5; the collector of the transistor Q6 is simultaneously connected with the collector of the transistor Q5, the anode of the diode D2 and one end of the electromagnetic relay coil;
the anode of the second power supply 7 is connected with the cathode of the diode D2 and the other end of the electromagnetic relay coil at the same time;
the positive pole of the third power supply 8 is connected with the positive pole of the alarm 5, and the negative pole of the alarm 5 is connected with one end of the electromagnetic relay switch; the other end of the electromagnetic relay switch is connected with the negative electrode of the third power supply 8.
In the present embodiment, the rated voltage of the second power supply 7 is 12V; the capacitance value of the capacitor C3 is 30 muF, the capacitance value of the capacitor C4 is 10 muF, and the resistance value of the resistor R4 is 150 omega; the model of the triode Q5 is 8050, the model of the triode Q6 is 8050, the model of the diode D4 is IN4148, and the model of the diode D3 is IN 4148; the reception distance of the reception antenna H1 is 50 meters.
Claims (3)
1. A high-grade laboratory personnel positioning alarm device comprises N UWB base stations (1), a switch (2) and positioning alarm bracelets (4);
the N UWB base stations (1) are respectively arranged on the wall of a laboratory; the positioning alarm signal output ends of the N UWB base stations (1) are respectively connected with the positioning alarm signal input end of the exchanger (2); the positioning alarm signal output end of the switch (2) is connected with the positioning alarm signal input end of the upper computer (3);
the positioning alarm bracelet is worn on the wrist of a laboratory worker;
the positioning alarm bracelet comprises an endless belt (4-1) and a ring body (4-2);
the ring belt (4-1) is of a circular ring structure, and the ring body (4-2) is fixed on the ring belt (4-1);
n is a positive integer greater than or equal to 3;
the ring body is characterized by comprising a shielding plate, a UWB positioning tag and an alarm transmitting circuit;
the shielding plate is arranged on the inner side of the girdle band (4-1), the alarm transmitting circuit is arranged on the outer side of the girdle band (4-1), and the UWB positioning tag is arranged between the shielding plate and the alarm transmitting circuit;
the UWB positioning tag is used for transmitting UWB signals;
the alarm transmitting circuit is used for transmitting electromagnetic waves in a triggering mode;
the UWB base station (1) comprises a UWB receiver and an alarm receiving circuit;
the UWB receiver is used for receiving UWB signals;
the alarm receiving circuit is used for receiving the electromagnetic waves transmitted by the alarm transmitting circuit and triggering the alarm (5) to alarm.
2. The high-level laboratory personnel positioning alarm device according to claim 1, wherein the alarm transmitting circuit comprises a frequency modulation coil L1, an induction coil L2, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, a transistor Q1, a transistor Q2, a transistor Q3, a transistor Q4, a light emitting diode D1 and a power supply I (6);
one end of the induction coil L2 is connected with the base electrode of the triode Q4, the emitter electrode of the triode Q4 is connected with the base electrode of the triode Q3, and the collector electrode of the triode Q4 is simultaneously connected with the anode of the light-emitting diode D1, the collector electrode of the triode Q2, one end of the capacitor C2 and one end of the frequency modulation coil L1;
the cathode of the light-emitting diode D1 is connected with the collector of the triode Q3;
the emitter of the transistor Q3 is simultaneously connected with the emitter of the transistor Q2, the emitter of the transistor Q1 and the negative electrode of the first power supply (6);
the positive electrode of the first power supply (6) is simultaneously connected with the other end of the frequency modulation coil L1, the collector of the triode Q1 and one end of the capacitor C1;
the other end of the capacitor C1 is connected with the base of the triode Q2 and one end of the resistor R2;
the other end of the capacitor C2 is connected with the base of the triode Q1 and one end of the resistor R3;
one end of the resistor R1 is connected with the other end of the resistor R2 and the other end of the resistor R3 at the same time;
the other end of the resistor R1 is connected to the center tap of the fm coil L1.
3. The high-level laboratory personnel positioning alarm device according to claim 2, characterized in that the alarm receiving circuit comprises a receiving antenna H1, a resistor R4, a capacitor C3, a capacitor C4, a diode D2, a diode D3, a diode D4, a triode Q5, a triode Q6, an electromagnetic relay, a power supply II (7) and a power supply III (8);
one end of a receiving antenna H1 is connected with one end of a capacitor C4, and the other end of the receiving antenna H1 is simultaneously connected with the anode of a diode D4, one end of a capacitor C3, the emitter of a triode Q5 and the cathode of a second power supply (7);
the other end of the capacitor C4 is connected with the anode of the diode D3 and the cathode of the diode D4;
the cathode of the diode D3 is connected with the other end of the capacitor C3 and one end of the resistor R4;
the other end of the resistor R4 is connected with the base electrode of the triode Q6, and the emitting electrode of the triode Q6 is connected with the base electrode of the triode Q5; the collector of the transistor Q6 is simultaneously connected with the collector of the transistor Q5, the anode of the diode D2 and one end of the electromagnetic relay coil;
the positive electrode of the second power supply (7) is connected with the cathode of the diode D2 and the other end of the electromagnetic relay coil at the same time;
the positive pole of the third power supply (8) is connected with the positive pole of the alarm (5), and the negative pole of the alarm (5) is connected with one end of the electromagnetic relay switch; the other end of the electromagnetic relay switch is connected with the negative electrode of a third power supply (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921935141.7U CN210295363U (en) | 2019-11-11 | 2019-11-11 | High-level laboratory personnel positioning alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921935141.7U CN210295363U (en) | 2019-11-11 | 2019-11-11 | High-level laboratory personnel positioning alarm device |
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| Publication Number | Publication Date |
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| CN210295363U true CN210295363U (en) | 2020-04-10 |
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| CN201921935141.7U Active CN210295363U (en) | 2019-11-11 | 2019-11-11 | High-level laboratory personnel positioning alarm device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929814A (en) * | 2020-12-29 | 2021-06-08 | 杭州中芯微电子有限公司 | UWB dresses label device suitable for indoor location |
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2019
- 2019-11-11 CN CN201921935141.7U patent/CN210295363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112929814A (en) * | 2020-12-29 | 2021-06-08 | 杭州中芯微电子有限公司 | UWB dresses label device suitable for indoor location |
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