CN2609084Y - Electronic monitor - Google Patents
Electronic monitor Download PDFInfo
- Publication number
- CN2609084Y CN2609084Y CN 02294334 CN02294334U CN2609084Y CN 2609084 Y CN2609084 Y CN 2609084Y CN 02294334 CN02294334 CN 02294334 CN 02294334 U CN02294334 U CN 02294334U CN 2609084 Y CN2609084 Y CN 2609084Y
- Authority
- CN
- China
- Prior art keywords
- links
- signal
- module circuit
- sensor
- transistorized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Alarm Systems (AREA)
Abstract
An electronic guardianship device composed of a main frame and an auxiliary frame is provided. The main frame comprises a receiving aerial, a receiving module circuit connected to the receiving aerial, a sound generator connected to the output end of the receiving module circuit, and a sound generator connected to the output end of the sound generator connected to the output end of the receiving module circuit; while the auxiliary frame comprises a sensor, a signal amplification switching circuit which consists of two transistors, a resistor and a capacitor, an transmitting module circuit connected with one transistor emitter electrode at the back of the signal amplification switching circuit, and an transmitting aerial connected to the output end of the transmitting module circuit to send out the high frequency modulation coded signals. By integrating the sensor inspection and alarm functions and scope inspection alarm function, the utility model has the advantages of simplifying the structure, reducing the fabrication cost and easy use.
Description
Technical field
The utility model relates to a kind of electronic monitoring device.
Background technology
Along with, growth in the living standard, people have proposed more and more higher requirement to children, old man and patient's nursing, to this, have occurred various electronic monitoring devices on the market.A kind of commercially available electronic monitoring device is for example arranged, it is divided into main frame and secondary machine two parts, main frame is the electronic installation that possesses wireless receiving and warning function, and secondary machine is the electronic installation that possesses the wireless transmit function, when object of nursing is wandered away or leave the monitoring scope, because main frame does not receive the signal of secondary machine emission, therefore will report to the police immediately.And for example, also have a kind of electronic monitoring device, it comprises near the sensor and the warning circuit that can be placed on the object of nursing body surface, and when object of nursing was urinated and defecated, sensor was to this situation and report to the police, and reminds paramedic's changing babies' napkin more in time.
But the function ratio of above-mentioned these electronic monitoring devices is more single, therefore is unfavorable for using and reducing cost.
The utility model content
The purpose of this utility model provides a kind of electronic monitoring device, and it integrates sensor warning function and range detection warning function.
Comprise according to electronic monitoring device of the present utility model:
Main frame, it comprises:
Receiving antenna;
The receiver module circuit that links to each other with receiving antenna, its high frequency modulated coded signal that receiving antenna is presented is converted to the low frequency decoded signal;
With the acoustical generator that the receiver module circuit output end links to each other, its low frequency decoded signal according to the output of receiver module circuit produces corresponding sound signal;
With the acoustical generator that the acoustical generator output terminal links to each other, it is made up of a transistor and a hummer, and this transistorized base stage links to each other with the output terminal of acoustical generator, and collector links to each other with hummer; Secondary machine, it comprises:
Sensor;
By two transistors, a resistor and the signal amplification change-over circuit that capacitor is formed, wherein last transistorized base stage links to each other with the sensor output terminal, collector links to each other with back one transistorized base stage, described resistor is connected between last transistorized collector and the back one transistorized collector, and described capacitor is connected between last transistorized emitter and the back one transistorized base stage;
Amplify the transmitter module circuit that back one emitter links to each other in the change-over circuit with signal, its to signal that signal amplifies the change-over circuit generation encode, conversion process on modulation and the frequency;
The emitting antenna that links to each other and launch with the transmitter module circuit output end with the high frequency modulated coded signal.
In above-mentioned electronic monitoring device, owing to sensor warning function and range detection warning function can be integrated, therefore simplify the structure, reduced manufacturing cost, made things convenient for use.
Description of drawings
Figure is the circuit theory diagrams of the utility model electronic monitoring device, and wherein Fig. 1 a is the circuit theory diagrams of secondary machine, and Fig. 1 b is the circuit theory diagrams of main frame.
Embodiment
Below by accompanying drawing preferred embodiment of the present utility model is described.
Electronic monitoring device of the present utility model is included in main frame and the secondary machine that the space can be placed apart, and wherein main frame is used to receive the radiofrequency signal of secondary machine emission and reports to the police according to signal type, and secondary machine is used to detect the variation and the emitting radio frequency signal of specific physical quantity.
Referring to Fig. 1 a, secondary machine amplifies change-over circuit, transmitter module circuit 9912, antenna and direct supply etc. by probe S, signal and constitutes.Wherein, power supply is the direct supply of 1.5V, is used for providing operating voltage and working current to other unit, and reasonable is to adopt button cell to dwindle the volume of secondary machine.Signal amplifies change-over circuit by two transistor Q1 and Q2, a resistor R 1 and the signal amplification change-over circuit that capacitor C1 forms, the base stage of wherein last transistor Q1 links to each other with the output terminal of probe S, collector links to each other with the base stage of back one transistor Q2, resistor R 1 is connected between the collector of the collector of transistor Q1 and transistor Q2, and capacitor C1 is connected between the base stage of the emitter of transistor Q1 and transistor Q2.The transmitter module electric current is made of scrambler, modulator and high frequency oscillator and links to each other with emitter that signal amplifies back one transistor Q2 in the change-over circuit, and the signal that is used for signal is amplified the change-over circuit generation is encoded, conversion process on modulation and the frequency.Emitting antenna links to each other with the output terminal of transmitter module circuit, thereby signal is launched.Probe S can be various sensors, humidity sensor for example, when baby or old man urinate and defecate, the closed conducting of probe S, therefore on amplifying the emitter of transistor Q2 of change-over circuit, signal produces high level signal, after the transmitter module circuit receives this high level signal, produce the high-frequency modulation signal according to the certain format coding, emitting antenna is then launched such high-frequency modulation signal.When the not closed conducting of probe S, amplify at signal on the emitter of transistor Q2 of change-over circuit and produce low level signal, after the transmitter module circuit receives low level signal, generation is according to the high-frequency modulation signal of certain format coding, and emitting antenna is then launched such high-frequency modulation signal.Probe S can also be a pressure transducer, when touching or pressing, and the closed conducting of probe S.
Referring to Fig. 1 b, main frame is made up of receiving antenna, the receiver module circuit 9915 that links to each other with receiving antenna, the acoustical generator KD-153H that links to each other with the output terminal of receiver module circuit 9915, the acoustical generator and the direct supply that link to each other with the output terminal of acoustical generator KD-153H.Wherein, power supply is the direct supply of 1.5V, is used for providing operating voltage and working current to other unit, and reasonable is to adopt button cell to dwindle the volume of main frame.Receiver module circuit 9915 is made up of radio-frequency amplifier, superregenerative detection circuit, low frequency amplification and waveform shaping circuit and code translator, the signal that receiving antenna is presented is handled through high frequency amplification, superregenerative detection, low frequency amplification and wave shaping and decoding in the receiver module circuit successively, and the signal after the processing is sent to audio-frequency generator KD-153H.Acoustical generator is made up of a transistor Q3 and a hummer HC-12, and the base stage of this transistor Q3 links to each other with the output terminal of audio-frequency generator, and collector links to each other with hummer.When the signal that receives of main frame receiving antenna is the signal of indication probe S closure, audio-frequency generator produces corresponding sound signal, when the main frame receiving antenna does not receive signal, audio-frequency generator produces another corresponding sound signal, so hummer can send different sound to distinguish various alarm condition.
Claims (3)
1. an electronic monitoring device is characterized in that, comprises:
Main frame, it comprises:
Receiving antenna;
The receiver module circuit that links to each other with receiving antenna, its high frequency modulated coded signal that receiving antenna is presented is converted to the low frequency decoded signal;
With the acoustical generator that the receiver module circuit output end links to each other, its low frequency decoded signal according to the output of receiver module circuit produces corresponding sound signal;
With the acoustical generator that the acoustical generator output terminal links to each other, it is made up of a transistor and a hummer, and this transistorized base stage links to each other with the output terminal of acoustical generator, and collector links to each other with hummer; Secondary machine, it comprises:
Sensor;
By two transistors, a resistor and the signal amplification change-over circuit that capacitor is formed, wherein last transistorized base stage links to each other with the sensor output terminal, collector links to each other with back one transistorized base stage, described resistor is connected between last transistorized collector and the back one transistorized collector, and described capacitor is connected between last transistorized emitter and the back one transistorized base stage;
Amplify the transmitter module circuit that back one emitter links to each other in the change-over circuit with signal, its to signal that signal amplifies the change-over circuit generation encode, conversion process on modulation and the frequency; The emitting antenna that links to each other and launch with the transmitter module circuit output end with the high frequency modulated coded signal.
2. electronic monitoring device as claimed in claim 1 is characterized in that, described sensor is a humidity sensor.
3. electronic monitoring device as claimed in claim 1 is characterized in that, described sensor is a pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294334 CN2609084Y (en) | 2002-12-27 | 2002-12-27 | Electronic monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02294334 CN2609084Y (en) | 2002-12-27 | 2002-12-27 | Electronic monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2609084Y true CN2609084Y (en) | 2004-03-31 |
Family
ID=34151950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02294334 Expired - Fee Related CN2609084Y (en) | 2002-12-27 | 2002-12-27 | Electronic monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2609084Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198382B (en) * | 2005-07-29 | 2011-01-05 | 开罗斯科技股份公司 | Device and method for measuring a rotational frequency exerted on a movable game device |
-
2002
- 2002-12-27 CN CN 02294334 patent/CN2609084Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198382B (en) * | 2005-07-29 | 2011-01-05 | 开罗斯科技股份公司 | Device and method for measuring a rotational frequency exerted on a movable game device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2007001946A3 (en) | Apparatus and method for providing communication between a probe and a sensor | |
| CN212570019U (en) | Ultra-low power consumption livestock body temperature monitoring system based on LoRa scattering communication | |
| CN2609084Y (en) | Electronic monitor | |
| CN201019742Y (en) | Integration digital sphygmus sensor | |
| CN217216536U (en) | Low-power consumption dual-mode wireless control device | |
| EP1757216A4 (en) | TRANSMITTER, RECEIVER AND TRANSMIT / RECEIVE SYSTEM | |
| CN208129994U (en) | Pulse signal acquires Transmission System | |
| CN204926390U (en) | A alarm system for gardens monitoring based on thing networking | |
| CN110047263B (en) | Wireless detection device for sucker rod load | |
| CN100353914C (en) | Important information measuring devices | |
| CN201838158U (en) | Valuables touch warning device | |
| CN205107729U (en) | Portable wireless electronic stethoscope | |
| CN2609307Y (en) | Handset with heart rate monitoring function | |
| CN1564213A (en) | Monitor for infant asleep | |
| CN2748991Y (en) | Baby urine wet alarm device | |
| CN212966500U (en) | RF433 manual emergency alert button | |
| CN105243828A (en) | Remote control device based on ultrasonic communication and remote control method thereof | |
| CN204536308U (en) | Concentration of formaldehyde monitor card in automobile | |
| CN217718834U (en) | Bed leaving alarm circuit | |
| CN2671254Y (en) | TV-set with positioning function and remote-controller with transponding function | |
| CN211293641U (en) | Energy-saving electric wave clock | |
| CN202178793U (en) | Cell phone | |
| CN2919400Y (en) | Electronic lovers' purses | |
| CN2700974Y (en) | Alarm | |
| CN203327020U (en) | Signal detecting circuit of resonance-type surface acoustic wave wireless sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |