CN2534568Y - Moisture liquid level alarmer - Google Patents
Moisture liquid level alarmer Download PDFInfo
- Publication number
- CN2534568Y CN2534568Y CN 02211467 CN02211467U CN2534568Y CN 2534568 Y CN2534568 Y CN 2534568Y CN 02211467 CN02211467 CN 02211467 CN 02211467 U CN02211467 U CN 02211467U CN 2534568 Y CN2534568 Y CN 2534568Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- input device
- sheffer stroke
- stroke gate
- dual input
- 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
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Abstract
The utility model relates to an alarm device, in particular to a damp water level alarm. The utility model consists of a double-input alternative denial gate, a music chip, a diode, a resistor and a capacitor; wherein, one end of the first and the second resistors are respectively connected with a sensor placed in places afraid of dampness, charging or leaking occasions of water tank through A and B input ends; the first resistor is connected with a power supply through the diode and the second resistor is connected with the double-input alternative denial gate; a low-frequency generator formed by the fourth resistor and the second capacitor is connected with the double-input alternative denial gate; the output of the double-input alternative denial gate is connected with the music chip through the fourth capacitor; the music chip is connected with a loudspeaker. The utility model has the advantages of simple circuit, reliable operation, loud sound and identifying water level or dampness.
Description
Technical field
The utility model relates to warning device, specifically a kind of moist water level alarm.
Background technology
Increase year by year owing to the cerebral thrombus patient in China, cause a lot of patient-sized just can not take care of oneself (paralysis), as: after patient's incontinence, the bed-wetting, when the paramedic does not know easily to cause under the situation bedsore, give on patient's body and mind and bring very big misery, after not one year old child and infant urinated sometimes and soak in addition, if untimely more changing babies' napkin, the time had been grown and has been easy to produce eczema.Other has other easily moist or occasion of leaking, and breeds disaster because of being difficult for being found.
The utility model content
In order to solve above-mentioned deficiency, the purpose of this utility model provides that a kind of circuit is simple, reliable operation, sound are loud and clear, can discern water level or moist moist water level alarm.
To achieve these goals, the technical solution of the utility model is: mainly by dual input device Sheffer stroke gate, Music Clip, diode, resistance and electric capacity are formed, wherein: the first～two resistance, one end passes through A respectively, the B input end is connected to place is afraid of moist place, the sensor of the water or the occasion of leaking on the water tank, first resistance by diode to power supply, second resistance is to dual input device Sheffer stroke gate, by the 4th resistance, the LF oscillator that second electric capacity is formed links to each other with dual input device Sheffer stroke gate, output terminal in dual input device Sheffer stroke gate links to each other with Music Clip by the 4th electric capacity, and Music Clip connects loudspeaker;
In addition, described the 3rd resistance and first electric capacity are parallel between dual input device Sheffer stroke gate and the ground; Described power end the 3rd electric capacity in parallel.
Multi-functional moist water level alarm has following advantage:
1. the utility model circuit is simple, reliable operation, and sound is loud and clear.
2. applied range.Being specially adapted to child and the paralysis patient that can not take care of oneself does urine and soaks automatic warning.The utility model also is suitable on the water tank water and other and prevents moist and occasion such as leak.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
As shown in Figure 1, the utility model is by dual input device Sheffer stroke gate IC1, Music Clip IC2, diode D, resistance and electric capacity are formed, wherein: the first～two resistance R, 1～R2, one end passes through A respectively, the B input end is connected to place is afraid of moist place, the sensor of the water or the occasion of leaking on the water tank, first resistance R 1 is passed through diode D to power supply, second resistance R 2 is to dual input device Sheffer stroke gate IC1, by the 4th resistance R 4, LF oscillator and dual input device Sheffer stroke gate IC1 2 that second capacitor C 2 is formed, 3 pin link to each other, output terminal at dual input device Sheffer stroke gate IC1 links to each other with Music Clip IC2 by the 4th capacitor C 4, and Music Clip IC2 meets loudspeaker SK;
Described the 3rd resistance R 3 and first capacitor C 1 are parallel between dual input device Sheffer stroke gate IC1 1 pin and the ground; Described power end the 3rd capacitor C 3 in parallel.
Dual input device Sheffer stroke gate IC1 and Music Clip IC2 and a small amount of peripheral cell composition with CMOS Si schmitt trigger, A, the B input end is received sensor and (is afraid of moist place with being wired to, the water or the occasion of leaking on the water tank), when finding humidity, constitute path between A point and the B point, power supply slowly charges to first capacitor C 1 through the first～two resistance R, 1～R2, when first capacitor C, 1 both end voltage is elevated to above the upper limit threshold level of dual input device Sheffer stroke gate IC1 gradually, dual input device Sheffer stroke gate IC1 and the 4th resistance R 4, the LF oscillator starting of oscillation that second capacitor C 2 is formed, export a trigger pip at dual input device Sheffer stroke gate IC1 3 pin, send loud sound in order to trigger Music Clip IC2 driving loudspeaker SK.
Claims (3)
1. moist water level alarm, it is characterized in that: mainly by dual input device Sheffer stroke gate (IC1), Music Clip (IC2), diode (D), resistance and electric capacity are formed, wherein: (R1～R2) end passes through A respectively to the first～two resistance, the B input end is connected to place is afraid of moist place, the sensor of the water or the occasion of leaking on the water tank, first resistance (R1) passes through diode (D) to power supply, second resistance (R2) is to dual input device Sheffer stroke gate (IC1), by the 4th resistance (R4), the LF oscillator that second electric capacity (C2) is formed links to each other with dual input device Sheffer stroke gate (IC1), output terminal in dual input device Sheffer stroke gate (IC1) links to each other with Music Clip (IC2) by the 4th electric capacity (C4), and Music Clip (IC2) connects loudspeaker (SK).
2. according to the described moist water level alarm of claim 1, it is characterized in that: described the 3rd resistance (R3) and first electric capacity (C1) are parallel between dual input device Sheffer stroke gate (IC1) and the ground.
3. according to the described moist water level alarm of claim 1, it is characterized in that: described power end the 3rd electric capacity (C3) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02211467 CN2534568Y (en) | 2002-04-27 | 2002-04-27 | Moisture liquid level alarmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02211467 CN2534568Y (en) | 2002-04-27 | 2002-04-27 | Moisture liquid level alarmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2534568Y true CN2534568Y (en) | 2003-02-05 |
Family
ID=33691367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02211467 Expired - Fee Related CN2534568Y (en) | 2002-04-27 | 2002-04-27 | Moisture liquid level alarmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2534568Y (en) |
-
2002
- 2002-04-27 CN CN 02211467 patent/CN2534568Y/en not_active Expired - Fee Related
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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 |