CN2226279Y - Autocontrolled alarm for liquid level - Google Patents
Autocontrolled alarm for liquid level Download PDFInfo
- Publication number
- CN2226279Y CN2226279Y CN 95216058 CN95216058U CN2226279Y CN 2226279 Y CN2226279 Y CN 2226279Y CN 95216058 CN95216058 CN 95216058 CN 95216058 U CN95216058 U CN 95216058U CN 2226279 Y CN2226279 Y CN 2226279Y
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- CN
- China
- Prior art keywords
- join
- liquid level
- diode
- positive terminal
- automatic control
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Abstract
The utility model relates to a novel automatic control alarm for liquid level, which is composed of five units like an alarm unit, etc. The utility model is characterized in that a liquid level alarm unit and a water pump automatic control unit are respectively provided with liquid level alarm switch circuit, and the liquid level alarm switch circuit is connected with alarm units of a direct current filtration unit and a water pump automatic control unit to deliver signal of sound and light according to conductive or broken status of BG1 or BG2 and BG3. The keys of the liquid level alarm unit pressed, the TA1 and K1 of the alarm unit are pressed to realize the test of the liquid level and control of the water pump electric machines. Improved on the former boiler liquid level alarms, the utility model has the advantages of high sensitivity, no misoperation, safety, etc.
Description
The utility model relates to a kind of boiler liquid level alarm, especially a kind of novel liquid level automatic control alarm device.
At present, except the way that hydroscope is observed, also adopted the way of liquid level pole piece depth sounding mostly about the monitoring of boiler liquid level, just whether the water pump that makes it boiler by pole piece and whether contacting of liquid level works, at this wherein again often with the attention of reminding the operator on duty of alarm bell signal.But the tinkle of bells only represents that liquid level is undesired concrete caution reason can not be described, the operator on duty still wants a nearly step to ascertain the reason just can take next step measure, and rocking of liquid level causes rapid sound of the tinkle of bells that surrounding environment is often produced noise pollution again and again when supplying water owing to the too loud especially water pump of the tinkle of bells in addition.
The purpose of this utility model is to provide a kind of novel liquid level automatic control alarm device, it is a kind of improvement to existing boiler hydraulic pressure alarm, can when liquid level is high or low, provide sound, acoustical signal respectively, and can in time remind the operator on duty when liquid level is low, boiler feed water in time to be monitored and replenished.
The purpose of this utility model is achieved in that a kind of novel liquid level automatic control alarm device, it comprises AC input cell (I), DC filtering unit (II), liquid level warning unit (III), water pump automatic control unit (IV) and caution unit (V), it is characterized in that, described DC filtering unit (II), the positive terminal of filter capacitor C are wherein held with the public ground GD of liquid level warning unit (III), water pump automatic control unit (IV), caution unit (V) respectively and are joined;
Described liquid level warning unit (III) comprises two groups of liquid level warning on-off circuits, wherein, and first group of interior triode BG
1Base terminal, the one end is through resistance R
1Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
2With liquid level pole piece Y
1Join BG
1Emitter one end and diode D
5Positive terminal join, the other end is through resistance R
3GD joins with common, BG
1Collector respectively with little DC relay 1J, diode D
6Positive terminal join the other end of little DC relay 1J, D
6The common and stop button TA of negative pole end
1Join TA
1The other end and public ground GD join; Second group of liquid level warning on-off circuit of liquid level warning unit (III), triode BG wherein
2One end of its base terminal is through resistance R
4Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
5With liquid level pole piece Y
2Join; BG
2Emitter one end and diode D
7Positive terminal join, the other end is through resistance R
6GD joins with public ground, BG
2Collector respectively with an end, the diode D of little DC relay 2J
8Positive terminal join the other end of 2J and D
8Negative pole end common join with public ground GD;
Described water pump automatic control unit (IV) comprises a liquid level warning on-off circuit, wherein, and triode BG
3Base stage one end through resistance R
7Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
8With liquid level pole piece Y
3Join BG
3Emitter respectively with diode D
9Positive terminal, resistance R
9Join BG
3Collector respectively with an end, the diode D of little DC relay 3J
10Positive terminal join the other end of 3J and D
10Negative pole end common join with public ground GD;
Described caution unit (V) comprises three groups of caution on-off circuits, wherein, and the switch j in first group of on-off circuit
1The toggle switch K that one end and public ground GD join, 6. the other end is removed with sound equipment respectively through closing point
1A closing point end, liquid level low level light emitting diode Dd, warning flashing diode D 9.
6, the high-order light emitting diode Dg of liquid level positive terminal join toggle switch K
1The closing point other end 9. sound equipment relieving circuit in parallel, switching signal common port (12) the some end of language alarm circuit with two the tunnel join; Switch j in second group of on-off circuit
2One end and public ground GD join, the other end and closing point 6., the positive terminal of the high-order light emitting diode Dg of liquid level joins; Switch j in the 3rd group of on-off circuit
3One end and public ground GD, power supply show that the positive terminal of light emitting diode Dy joins, and the end of the other end and water pump automatic control relay J joins; Diode D in the common and water pump automatic control unit (IV) of the other end of the negative pole end of the other end of water pump automatic control relay J, Dy, Dg, Db, Dd, the voice synthesizer of language alarm circuit, the positive terminal of the diode Dy in the sound equipment relieving circuit
9Negative pole end join.Work as resistance R
2Or R
5, R
8Even corresponding BG when the liquid level pole piece that passes through to be connect contacts with liquid level
1Or BG
2Or BG
3Conducting makes its corresponding little DC relay or 1J or 2J or 3J energising adhesive reach liquid level height or the low warning and the purpose of automatic control of liquid.
Because the utility model has adopted the circuit structure of five above-mentioned unit and three groups of on-off circuits of caution unit to be connected circuit structure between DC filtering unit and the water pump automatic control unit jointly, comparing to prior art the utility model has the advantages that: 1. alarm is highly sensitive, provides different alarm signals at the situation of different liquid levels;
2. prevent operator on duty's misoperation, manually, automatically controlled water pump all can;
3. the safety coefficient height need not to establish in addition artificial protective equipment.
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is an integrally-built circuit working schematic diagram of the present utility model.
By Fig. 1,2, it comprises AC input cell I, DC filtering unit II, liquid level warning unit III, water pump automatic control unit IV and caution unit V the utility model, it is characterized in that, described DC filtering unit II, the positive terminal of filter capacitor C wherein hold with the public ground GD of liquid level warning unit III, water pump automatic control unit IV, caution unit V respectively and join;
Described liquid level warning unit III comprises two groups of liquid level warning on-off circuits, wherein, and first group of interior triode BG
1Base terminal, the one end is through resistance R
1Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
2With liquid level pole piece Y
1Join BG
1Emitter one end and diode D
5Positive terminal join, the other end is through resistance R
3GD joins with common, BG
1Collector respectively with little DC relay 1J, diode D
6Positive terminal join the other end of little DC relay 1J, D
6The common and stop button TA of negative pole end
1Join TA
1The other end and public ground GD join; Second group of liquid level warning on-off circuit of liquid level warning unit III, triode BG wherein
2One end of its base terminal is through resistance R
4Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
5With liquid level pole piece Y
2Join; BG
2Emitter one end and diode D
7Positive terminal join, the other end is through resistance R
6GD joins with public ground, BG
2Collector respectively with an end, the diode D of little DC relay 2J
8Positive terminal join the other end of 2J and D
8Negative pole end common join with public ground GD;
Described water pump automatic control unit IV comprises a liquid level warning on-off circuit, wherein, and triode BG
3Base stage one end through resistance R
7Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
8With liquid level pole piece Y
3Join BG
3Emitter respectively with diode D
9Positive terminal, resistance R
9Join BG
3Collector respectively with an end, the diode D of little DC relay 3J
10Positive terminal join the other end of 3J and D
10Negative pole end common join with public ground GD;
Described caution unit V comprises three groups of caution on-off circuits, wherein, and the switch j in first group of on-off circuit
1The toggle switch K that one end and public ground GD join, 6. the other end is removed with sound equipment respectively through closing point
1A closing point end, liquid level low level light emitting diode Dd, warning flashing diode D 9.
6, the high-order light emitting diode D of liquid level
9Positive terminal join, the closing point of the toggle switch K1 other end 9. sound equipment relieving circuit in parallel with two tunnel, 12 ends of switching signal common port of language alarm circuit join; Switch j in second group of on-off circuit
2One end and public ground GD join, the other end and closing point 6., the high-order light emitting diode D of liquid level
9Positive terminal join; Switch j in the 3rd group of on-off circuit
3One end and public ground GD, power supply show that the positive terminal of light emitting diode Dy joins, and the end of the other end and water pump automatic control relay J joins; Diode D among the common and water pump automatic control unit IV of the other end of the negative pole end of the other end of water pump automatic control relay J, Dy, Dg, Db, Dd, the voice synthesizer of language alarm circuit, the positive terminal of the diode Dy in the sound equipment relieving circuit
9Negative pole end join.Above-mentioned AC input cell 1, the output voltage of its transformer secondary output end is for exchanging 12V.When this controller connects the alternating current 220V power supply, promptly produce the 12V alternating voltage, and through bridge rectifier, making it its terminal voltage through capacitor C filtering is about direct current 14V at the transformer secondary output end, at this moment, if BG1 or BG
2, BG
3Base resistance R
2Or R
5, R
8The liquid level pole piece Y that is connected
1Or Y
2, Y
3Form positive voltage by current ohmically pressure drop when contacting and make it corresponding BG with liquid level
1Or BG
2, BG
3Conducting is advanced you and is made corresponding little DC relay 1J or 2J, 3J energising adhesive, because three groups of on-off circuit j of caution unit V
1, j
2, j
3With respect to public ground GD all is noble potential, no matter is J therefore
1Or J
2, J
3Which sheet device adhesive that continues all can produce sound, the light warning effect of liquid level condition.TK among the figure
1, K
2Be respectively stop button and toggle switch, the former is mainly used in operating under the occasion of alarm about the monitoring correctness of liquid level, when liquid level is in when normal or high-order, pressing this button, then to carry out low alarm Dd this moment glittering, and release button then returns to the liquid level of original demonstration; The latter is K
1Be mainly used to the operation when pump motor is in manual position.
Related various components and parts (as voice synthesizer) are the commercially available prod in the foregoing description, and its product type can be not limited to the model that provides among the figure.
Claims (2)
1, a kind of novel liquid level automatic control alarm device, it comprises AC input cell (I), DC filtering unit (II), liquid level warning unit (III), water pump automatic control unit (IV) and caution unit (V), it is characterized in that, described DC filtering unit (II), the positive terminal of filter capacitor C are wherein held with the public ground GD of liquid level warning unit (III), water pump automatic control unit (IV), caution unit (V) respectively and are joined;
Described liquid level warning unit (III) comprises two groups of liquid level warning on-off circuits, wherein, and first group of interior triode BG
1Base terminal, the one end is through resistance R
1Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
2With liquid level pole piece Y
1Join BG
1Emitter one end and diode D
5Positive terminal join, the other end is through resistance R
3GD joins with common, BG
1Collector respectively with little DC relay 1J, diode D
6Positive terminal join the other end of little DC relay 1J, D
6The common and stop button TA of negative pole end
1Join TA
1The other end and public ground GD join; Second group of liquid level warning on-off circuit of liquid level warning unit (III), triode BG wherein
2One end of its base terminal is through resistance R
4Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
5With liquid level pole piece Y
2Join; BG
2Emitter one end and diode D
7Positive terminal join, the other end is through resistance R
6GD joins with public ground, BG
2Collector respectively with an end, the diode D of little DC relay 2J
8Positive terminal join the other end of 2J and D
8Negative pole end common join with public ground GD;
Described water pump automatic control unit (III) comprises a liquid level warning on-off circuit, wherein, and triode BG
3Base stage one end through resistance R
7Join with the negative pole end of above-mentioned filter capacitor C, the other end is through resistance R
8With liquid level pole piece Y
3Join BG
3Emitter respectively with diode D
9Positive terminal, resistance R
9Join BG
3Collector respectively with an end, the diode D of little DC relay 3J
10Positive terminal join the other end of 3J and D
10Negative pole end common join with public ground GD;
Described caution unit (II) comprises three groups of caution on-off circuits, wherein, and the switch j in first group of on-off circuit
1The toggle switch K that totally one end and public ground GD join, 6. the other end is removed with sound equipment respectively through closing point
1A closing point end, liquid level low level light emitting diode Dd, warning flashing diode D 9.
6, the high-order light emitting diode Dg of liquid level positive terminal join toggle switch K
1The closing point other end 9. sound equipment relieving circuit in parallel, switching signal common port (12) the some end of language alarm circuit with two the tunnel join; Switch j in second group of on-off circuit
2One end and public ground GD join, the other end and closing point 6., the positive terminal of the high-order light emitting diode Dg of liquid level joins; Switch j in the 3rd group of on-off circuit
3One end and public ground GD, power supply show that the positive terminal of light emitting diode Dy joins, and the end of the other end and water pump automatic control relay J joins; Diode D in the common and water pump automatic control unit (IV) of the other end of the negative pole end of the other end of water pump automatic control relay J, Dy, Dg, Db, Dd, the voice synthesizer of language alarm circuit, the positive terminal of the diode Dy in the sound equipment relieving circuit
9Negative pole end join.
2, novel liquid level automatic control alarm device according to claim 1 is characterized in that above-mentioned AC input cell (I), and the output voltage of its transformer secondary output end is for exchanging 12V.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95216058 CN2226279Y (en) | 1995-07-12 | 1995-07-12 | Autocontrolled alarm for liquid level |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95216058 CN2226279Y (en) | 1995-07-12 | 1995-07-12 | Autocontrolled alarm for liquid level |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2226279Y true CN2226279Y (en) | 1996-05-01 |
Family
ID=33865239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95216058 Expired - Fee Related CN2226279Y (en) | 1995-07-12 | 1995-07-12 | Autocontrolled alarm for liquid level |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2226279Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101915599A (en) * | 2010-07-14 | 2010-12-15 | 杜鸿钧 | Intelligent acoustooptical language alarm secondary water gauge |
-
1995
- 1995-07-12 CN CN 95216058 patent/CN2226279Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101915599A (en) * | 2010-07-14 | 2010-12-15 | 杜鸿钧 | Intelligent acoustooptical language alarm secondary water gauge |
CN101915599B (en) * | 2010-07-14 | 2015-11-25 | 杜鸿钧 | Intelligent acoustooptical language alarm secondary water gauge |
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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 |