CN112735077A - Simple smoke detector circuit for hospital - Google Patents
Simple smoke detector circuit for hospital Download PDFInfo
- Publication number
- CN112735077A CN112735077A CN202011562430.4A CN202011562430A CN112735077A CN 112735077 A CN112735077 A CN 112735077A CN 202011562430 A CN202011562430 A CN 202011562430A CN 112735077 A CN112735077 A CN 112735077A
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- China
- Prior art keywords
- smoke detector
- circuit
- potentiometer
- smoke
- pin
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
Abstract
The invention relates to the field of medical treatment, in particular to a simple smoke detector circuit for hospitals. The technical problems of the invention are as follows: provided is a simple smoke detector circuit for hospitals, which can remind nurses of possible fire. The technical implementation scheme of the invention is as follows: the utility model provides a hospital is with simple and easy smoke detector circuit, is including battery supply circuit, ion smoke detector, smoke detector circuit, low pressure warning threshold adjustment potentiometer, sensitivity adjustment potentiometer etc, ion smoke detector, low pressure warning threshold adjustment potentiometer and sensitivity adjustment potentiometer all are connected with smoke detector circuit's input, smoke detector circuit's output and volume control circuit's input are connected. According to the invention, the ion smoke detector is arranged, so that the smoke content around the ion smoke detector can be detected, and when the smoke content is too high, the piezoelectric loudspeaker can be controlled to sound, so that a nurse is reminded that the ward possibly catches fire and needs to be treated in time.
Description
Technical Field
The invention relates to the field of medical treatment, in particular to a simple smoke detector circuit for hospitals.
Background
In a hospital, a nurse can place a heater in a ward, the heater is turned on in cold weather, so that the ward can keep a warm environment, due to the fact that the temperature of the heater is high, clothes, quilts and other objects can be ignited, the patient generally lies on a sickbed to sleep, other work is carried out on the nurse, the nurse cannot accompany the patient all the time, and no people find that the objects are ignited, and therefore fire disasters are caused.
Aiming at the existing problems, a simple smoke detector circuit for hospitals, which can remind nurses of possible fire, is developed.
Disclosure of Invention
In order to overcome the defects that a patient generally lies on a sickbed for sleeping, and nurses have other work and cannot always accompany the patient, no one finds that something is ignited, and a fire disaster is caused, the technical problem of the invention is as follows: provided is a simple smoke detector circuit for hospitals, which can remind nurses of possible fire.
The technical implementation scheme of the invention is as follows: the utility model provides a hospital is with simple and easy smoke detector circuit, is including battery supply circuit, ion smoke detector, smoke detector circuit, low pressure alarm threshold adjustment potentiometer, sensitivity adjustment potentiometer, volume control circuit and piezoelectric loudspeaker, ion smoke detector, low pressure alarm threshold adjustment potentiometer and sensitivity adjustment potentiometer all are connected with smoke detector circuit's input, smoke detector circuit's output is connected with volume control circuit's input, volume control circuit's output and piezoelectric loudspeaker are connected, battery supply circuit is ion smoke detector, smoke detector circuit, low pressure alarm threshold adjustment potentiometer, sensitivity adjustment potentiometer, volume control circuit and piezoelectric loudspeaker power supply.
As an improvement of the scheme, the smoke detector further comprises a working state indicator light, the working state indicator light is connected with the input end of the smoke detector circuit, and the storage battery power supply circuit supplies power to the working state indicator light.
As an improvement of the scheme, the smoke detector further comprises a test key, the test key is connected with the input end of the smoke detector circuit, and the storage battery power supply circuit supplies power to the test key.
As an improvement of the above solution, the smoke detector circuit includes a smoke detection circuit MC145017, a battery indicator lamp resistor BT1, a battery BT2, a light emitting diode VD1, a capacitor C2, a resistor R1-a resistor R3 and a light touch switch SW1, the pin 9 of the smoke detection circuit MC145017 is grounded, the pin 7 of the smoke detection circuit MC145017 is serially connected with the resistor R3 and the capacitor C2, the other end of the capacitor C2 is grounded, the battery BT2 is serially connected with the resistor R1, the resistor R2 and the light touch switch SW1, the other end of the battery BT2 is grounded, the other end of the light touch switch SW1 is grounded, the pin 5 of the smoke detection circuit MC145017 is serially connected with the battery indicator lamp resistor BT1 and the light emitting diode VD1, and the anode of the light emitting diode VD1 is connected with the battery BT 2.
As an improvement of the above scheme, the volume adjusting circuit comprises a potentiometer VR 3-a potentiometer VR4, a loudspeaker SP1, a capacitor C1 and a capacitor C3, wherein a 10-pin of the smoke detection circuit MC145017 is connected in series with the potentiometer VR3, the other end of the potentiometer VR3 and the input end thereof are connected with an 8-pin of the smoke detection circuit MC145017, a 11-pin of the smoke detection circuit MC145017 is connected with the 8-pin of the smoke detection circuit MC145017 in parallel with the capacitor C3, the other end of the potentiometer VR4 and the input end thereof are connected with the 8-pin of the smoke detection circuit MC145017, and a 12-pin series capacitor C1 of the smoke detection circuit MC145017 is grounded.
As an improvement of the scheme, the low-voltage alarm threshold adjusting potentiometer is a potentiometer VR1, one end of the potentiometer VR1 is grounded, and the other end and the input end of the potentiometer VR1 are connected with the pin 3 of the smoke detection circuit MC 145017.
As an improvement of the above solution, the sensitivity adjustment potentiometer is a potentiometer VR2, the pin 3 of the smoke detection circuit MC145017 and one end of the potentiometer VR2 are connected, and the other end and the input end of the potentiometer VR2 are both connected to the pin 13 of the smoke detection circuit MC 145017.
The invention has the following advantages:
1. through setting up of ion smoke detector, can detect the smog content on every side, when smog content was too high, can control piezoelectric loudspeaker and sound, reminded possibly having caught fire in the nurse ward, need in time to handle.
2. Through the setting of operating condition pilot lamp, can make things convenient for the nurse to judge whether ion smoke detector breaks down.
3. Through the setting of test button, can test whether ion smoke detector is in normal operating to can play the effect of insurance.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Number designation in the figures: 1. storage battery supply circuit, 2, ion smoke detector, 3, smoke detector circuit, 4, low pressure warning threshold value adjustment potentiometre, 5, sensitivity adjustment potentiometre, 6, operating condition pilot lamp, 7, volume control circuit, 8, piezoelectric loudspeaker, 9, test button.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example 1
A simple smoke detector circuit for hospitals is shown in figure 1 and comprises a storage battery power supply circuit 1, an ion smoke detector 2, a smoke detector circuit 3, a low-voltage alarm threshold adjusting potentiometer 4, a sensitivity adjusting potentiometer 5, a volume adjusting circuit 7 and a piezoelectric loudspeaker 8, the ion smoke detector 2, the low-voltage alarm threshold adjustment potentiometer 4 and the sensitivity adjustment potentiometer 5 are all connected with the input end of the smoke detector circuit 3, the output end of the smoke detector circuit 3 is connected with the input end of a volume adjusting circuit 7, the output end of the volume adjusting circuit 7 is connected with a piezoelectric loudspeaker 8, the storage battery power supply circuit 1 supplies power to the ion smoke detector 2, the smoke detector circuit 3, the low-voltage alarm threshold adjusting potentiometer 4, the sensitivity adjusting potentiometer 5, the volume adjusting circuit 7 and the piezoelectric loudspeaker 8.
The nurse can adjust smoke detector circuit 3's low pressure alarm threshold value through low pressure alarm threshold value adjustment potentiometre 4, then adjust the sensitivity of ion smoke detector 2 through sensitivity adjustment potentiometre 5, the adjustment detection value, rethread volume regulating circuit 7 adjusts piezoelectric horn 8's volume, ion smoke detector 2 can detect smoke concentration on every side, when smoke concentration that ion smoke detector 2 detected reaches the setting value, piezoelectric horn 8 sounds, remind probably to catch fire in the nurse ward, need in time to handle. When the smoke concentration detected by the ion smoke detector 2 is lower than a set value, the piezoelectric loudspeaker 8 does not sound.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, the smoke detector further comprises a working state indicator lamp 6, the working state indicator lamp 6 is connected with an input end of the smoke detector circuit 3, and the storage battery power supply circuit 1 supplies power to the working state indicator lamp 6.
The smoke detector is characterized by further comprising a test key 9, wherein the test key 9 is connected with the input end of the smoke detector circuit 3, and the storage battery power supply circuit 1 supplies power for the test key 9.
The nurse can press test button 9, then tests whether ion smoke detector 2 is in normal operating to can play the effect of insurance, after the test is accomplished, the nurse presses test button 9 once more.
Example 3
A simple smoke detector circuit for hospitals is disclosed, as shown in fig. 2, the smoke detector circuit 3 comprises a smoke detection circuit MC145017, a battery indicator light resistor BT1, a battery BT2, a light emitting diode VD1, a capacitor C2, a resistor R1-resistor R3 and a light touch switch SW1, wherein a pin 9 of the smoke detection circuit MC145017 is grounded, a pin 7 of the smoke detection circuit MC145017 is connected in series with the resistor R3 and the capacitor C2, the other end of the capacitor C2 is grounded, the battery BT2 is connected in series with the resistor R1, the resistor R2 and a light touch switch SW1, the other end of the battery BT2 is grounded, the other end of the light touch switch SW1 is grounded, a pin 5 of the smoke detection circuit MC145017 is connected in series with the battery indicator light resistor BT1 and the light emitting diode VD1, and the anode of the light emitting diode VD1 is connected with a battery BT 2.
The volume adjusting circuit 7 comprises a potentiometer VR 3-a potentiometer VR4, a loudspeaker SP1, a capacitor C1 and a capacitor C3, wherein the 10-pin potentiometer VR3 of the smoke detection circuit MC145017 is connected in series, the other end and the input end of the potentiometer VR3 are connected with the 8 pin of the smoke detection circuit MC145017, the 11 pin of the smoke detection circuit MC145017 is connected with the 8 pin of the smoke detection circuit C3 in parallel, the other end and the input end of the potentiometer VR4 are connected with the 8 pin of the smoke detection circuit MC145017, and the 12-pin series capacitor C1 of the smoke detection circuit MC145017 is grounded.
The low-voltage alarm threshold adjusting potentiometer 4 is a potentiometer VR1, one end of the potentiometer VR1 is grounded, and the other end and the input end of the potentiometer VR1 are connected with a pin 3 of a smoke detection circuit MC 145017.
The sensitivity adjustment potentiometer 5 is a potentiometer VR2, a pin 3 of the smoke detection circuit MC145017 is connected with one end of a potentiometer VR2, and the other end and the input end of the potentiometer VR2 are connected with a pin 13 of the smoke detection circuit MC 145017.
A nurse can adjust the low-voltage alarm threshold of the smoke detection circuit MC145017 through the potentiometer VR1, then adjust the sensitivity of the ion smoke detector 2 through the potentiometer VR2, adjust the detection value, then adjust the volume of the horn SP1 through the potentiometer VR3 and the potentiometer VR4, the nurse can press the tact switch SW1 to test the ion smoke detector 2, after the test is finished, the nurse presses the tact switch SW1 again, the ion smoke detector 2 can detect the surrounding smoke concentration, the light-emitting diode VD1 is lightened, when the smoke concentration detected by the ion smoke detector 2 reaches the set value, 11 feet of the smoke detection circuit MC145017 outputs low level, the horn SP1 sounds to remind the nurse of possible fire, timely processing is needed, when the smoke concentration detected by the ion smoke detector 2 is lower than the set value, 11 feet of the smoke detection circuit MC145017 outputs high level, when the horn SP1 does not sound and the ion smoke detector 2 stops working, the light-emitting diode VD1 is extinguished.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (7)
1. A simple smoke detector circuit for hospitals is characterized in that: including battery supply circuit (1), ion smoke detector (2), smoke detector circuit (3), low pressure warning threshold adjustment potentiometer (4), sensitivity adjustment potentiometer (5), volume control circuit (7) and piezoelectric loudspeaker (8), ion smoke detector (2), low pressure warning threshold adjustment potentiometer (4) and sensitivity adjustment potentiometer (5) all are connected with the input of smoke detector circuit (3), the output and the input of volume control circuit (7) of smoke detector circuit (3) are connected, the output and piezoelectric loudspeaker (8) of volume control circuit (7) are connected, battery supply circuit (1) is ion smoke detector (2), smoke detector circuit (3), low pressure warning threshold adjustment potentiometer (4), sensitivity adjustment potentiometer (5), The volume adjusting circuit (7) and the piezoelectric loudspeaker (8) are powered.
2. A hospital simple smoke detector circuit according to claim 1, wherein: the smoke detector is characterized by further comprising a working state indicator lamp (6), wherein the working state indicator lamp (6) is connected with the input end of the smoke detector circuit (3), and the storage battery power supply circuit (1) supplies power for the working state indicator lamp (6).
3. A hospital simple smoke detector circuit according to claim 2, wherein: the smoke detector is characterized by further comprising a test key (9), the test key (9) is connected with the input end of the smoke detector circuit (3), and the storage battery power supply circuit (1) supplies power for the test key (9).
4. A hospital simple smoke detector circuit according to claim 3 and further comprising: the smoke detector circuit (3) comprises a smoke detection circuit MC145017, a battery indicator lamp resistor BT1, a battery BT2, a light-emitting diode VD1, a capacitor C2, a resistor R1-a resistor R3 and a light-touch switch SW1, wherein a pin 9 of the smoke detection circuit MC145017 is grounded, a pin 7 of the smoke detection circuit MC145017 is connected with the resistor R3 and the capacitor C2 in series, the other end of the capacitor C2 is grounded, the battery BT2 is connected with the resistor R1, the resistor R2 and the light-touch switch SW1 in series, the other end of the battery 2 is grounded, the other end of the light-touch switch SW1 is grounded, a pin 5 of the smoke detection circuit MC145017 is connected with the battery indicator lamp resistor BT1 and the light-emitting diode VD1 in series, and the anode of the light-emitting diode VD1 is connected with a battery 2.
5. A hospital simple smoke detector circuit according to claim 4 and characterized in that: the volume adjusting circuit (7) comprises a potentiometer VR 3-a potentiometer VR4, a loudspeaker SP1, a capacitor C1 and a capacitor C3, wherein a 10-pin potentiometer VR3 of the smoke detection circuit MC145017 is connected in series, the other end and the input end of the potentiometer VR3 are connected with an 8-pin of the smoke detection circuit MC145017, a 11-pin capacitor C3 of the smoke detection circuit MC145017 is connected with an 8-pin of the smoke detection circuit MC145017 in parallel, the other end and the input end of the potentiometer VR4 are connected with an 8-pin of the smoke detection circuit MC145017, and a 12-pin series capacitor C1 of the smoke detection circuit MC145017 is grounded.
6. A hospital simple smoke detector circuit according to claim 5 and further comprising: the low-voltage alarm threshold adjusting potentiometer (4) is a potentiometer VR1, one end of the potentiometer VR1 is grounded, and the other end and the input end of the potentiometer VR1 are connected with a pin 3 of a smoke detection circuit MC 145017.
7. A hospital simple smoke detector circuit according to claim 6, wherein: the sensitivity adjustment potentiometer (5) is a potentiometer VR2, a pin 3 of the smoke detection circuit MC145017 is connected with one end of a potentiometer VR2, and the other end and the input end of the potentiometer VR2 are connected with a pin 13 of the smoke detection circuit MC 145017.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562430.4A CN112735077A (en) | 2020-12-25 | 2020-12-25 | Simple smoke detector circuit for hospital |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562430.4A CN112735077A (en) | 2020-12-25 | 2020-12-25 | Simple smoke detector circuit for hospital |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112735077A true CN112735077A (en) | 2021-04-30 |
Family
ID=75616903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011562430.4A Withdrawn CN112735077A (en) | 2020-12-25 | 2020-12-25 | Simple smoke detector circuit for hospital |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112735077A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234877A (en) * | 1978-08-26 | 1980-11-18 | Hochiki Corporation | Ion type smoke sensor |
| CN203192162U (en) * | 2013-04-22 | 2013-09-11 | 张永明 | Ion smoke sensing module |
| CN103680042A (en) * | 2013-11-30 | 2014-03-26 | 成都国科海博信息技术股份有限公司 | Fire warning device |
| CN204204144U (en) * | 2014-05-30 | 2015-03-11 | 珠海格林赛威科技有限公司 | Smoke Detection cell arrangement |
| CN211427474U (en) * | 2019-12-16 | 2020-09-04 | 江苏金晓电子信息股份有限公司 | Smoke detection alarm circuit of urban traffic guidance terminal drive test perception decision terminal |
-
2020
- 2020-12-25 CN CN202011562430.4A patent/CN112735077A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234877A (en) * | 1978-08-26 | 1980-11-18 | Hochiki Corporation | Ion type smoke sensor |
| CN203192162U (en) * | 2013-04-22 | 2013-09-11 | 张永明 | Ion smoke sensing module |
| CN103680042A (en) * | 2013-11-30 | 2014-03-26 | 成都国科海博信息技术股份有限公司 | Fire warning device |
| CN204204144U (en) * | 2014-05-30 | 2015-03-11 | 珠海格林赛威科技有限公司 | Smoke Detection cell arrangement |
| CN211427474U (en) * | 2019-12-16 | 2020-09-04 | 江苏金晓电子信息股份有限公司 | Smoke detection alarm circuit of urban traffic guidance terminal drive test perception decision terminal |
Non-Patent Citations (1)
| Title |
|---|
| 佚名: ""离子烟雾探传感器驱动电路MC145017(18)"", 《豆丁网》 * |
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Application publication date: 20210430 |
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| WW01 | Invention patent application withdrawn after publication |