CN204945821U - A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption - Google Patents
A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption Download PDFInfo
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- CN204945821U CN204945821U CN201520711693.5U CN201520711693U CN204945821U CN 204945821 U CN204945821 U CN 204945821U CN 201520711693 U CN201520711693 U CN 201520711693U CN 204945821 U CN204945821 U CN 204945821U
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Abstract
The utility model discloses a kind of safety again without water tower, the water level in water pool control device of waiting for power consumption, includes overcurrent earth leakage circuit-breaker, contactor LJ, level sensor switch, multiple resistance, multiple commutator tube, stabilivolt W, field effect transistor, multiple electric capacity, multiple trigger and relay DJ; This device utilizes integration energy storage to discharge; the small area analysis conversion big current of integration time delay release again; there is again the mode of more small area analysis release; application field effect transistor, multiple trigger tube and electric capacity C2, resistance R7 form triggering and conducting holding circuit; stabilivolt W grill-protected source electrode avoids superpotential to damage, and make resistance in opposite sets larger, the current value of the level sensor switch of this device is less; namely meet safety requirements, meet again circuit needs.The leakage current detect to level sensor switch and wire is formed by resistance R9, resistance R10, electric capacity C5, relay DJ coil, trigger tube B7, trigger tube B6 and overcurrent earth leakage circuit-breaker tripping coil; Be intended to the reliability improving this device.
Description
Technical field
The utility model relates to water-level control apparatus art, refers in particular to a kind of safety again without water tower, the water level in water pool control device of waiting for power consumption.
Background technology
Current market there is many moneys water tower, water level in water pool control device, there is band to show water level and have the high-end product of prompt tone, also ordinary electronic water gauge is had, also has mechanical float ball, the water tower water level control devices such as float switch, there is again now a kind of float switch sensor of break-make form on the market, this product great advantage only has two states of on-off with the height change of water level, fully the change of the height of water level is replaced as the on off operating mode of electric switch, and the through and off state that the change of the height of water level is replaced as electric switch can be selected arbitrarily, if contact meets by big current requirement, just can be assembled into the automatic water-supply without waiting for power consumption, drainage arrangement, in fact, due to the electric wire of demand fulfillment water supply installation current needs between water tower and water supply installation, cost is perhaps very high, supply water, draught engine starting current is much larger compared with running current, and the uncertainty of float switch contact position, direct serviceable life is very short, and cause because inner heat damages the personal safety as well as the property safety problem brought of leaking electricity, usually will add and Lou protect switch, and after adding isolating transformer step-down, by low voltage control contactor, automatic water supply device is installed, this method safety is effective, but unavoidably waits for the spending of power consumption, general more than 5W, waits for power consumption such year and also spends the electric cost expenditure of hundred tons of drawing water, and it is just larger that high-end product waits for power consumption, waits for power consumption and security in a word and to be difficult to get both the ideal pair requirement of the common people.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, its fundamental purpose is to provide a kind of safety again without water tower, the water level in water pool control device of waiting for power consumption, its can effectively solve existing water-level control apparatus cost high, wait for the large and problem that security is bad of power consumption.
For achieving the above object, the utility model adopts following technical scheme:
A kind of safety is again without the water tower waiting for power consumption, water level in water pool control device, include overcurrent earth leakage circuit-breaker, contactor LJ, level sensor switch, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, commutator tube D5, stabilivolt W, field effect transistor, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5, trigger tube B6, trigger tube B7 and relay DJ, this contactor LJ is connected between overcurrent earth leakage circuit-breaker and water supply or drainage equipment, and this level sensor switch-linear hybrid is in water supply or water drain container, one end of this resistance R1 connects the N line output terminal of overcurrent earth leakage circuit-breaker, the input end of the other end connection commutator tube D1 of resistance R1 is connected with commutator tube D2 output terminal again, commutator tube D2 input end is connected with equipotential line with D, commutator tube D1 output terminal is connected with the drain electrode end of field effect transistor, one end of resistance R2 connects the L line output terminal of overcurrent earth leakage circuit-breaker, the other end of resistance R2 connects one end of contactor LJ and the input end of commutator tube D5, the other end of contactor LJ connects commutator tube D3 input end and is connected with commutator tube D4 output terminal again, commutator tube D3 output terminal connects the drain electrode end of field effect transistor, commutator tube D4 input end is connected with equipotential line with D, commutator tube D5 output terminal connects electric capacity C4 one end, contact resistance R9 one end, electric capacity C4 one end, electric capacity C5 one end and relay DJ anode, the electric capacity C4 other end is connected with equipotential line with D, one end of the resistance R9 other end and electric capacity C5 other end contact resistance R3, the negative terminal of relay DJ connects trigger tube B7 one end and connects the normally opened contact end of relay DJ itself, the trigger tube B7 other end connects one end of trigger tube B6, the other end of trigger tube B6 connects the electric capacity C5 other end and one end of contact resistance R3, the other end of resistance R3 connects the output terminal of level sensor switch, the movable contact end of relay DJ is connected with the control inputs anode of overcurrent earth leakage circuit-breaker, the control inputs negative terminal of overcurrent earth leakage circuit-breaker is connected with one end of resistance R10, the other end of resistance R10 is connected with equipotential line with D, one end of resistance R4 connects the input end of level sensor switch, the other end of resistance R4 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with equipotential line with D, the resistance R4 other end is also connected with one end of resistance R5, the other end of resistance R5 is connected with electric capacity C1 one end, the electric capacity C1 other end is connected with equipotential line with D, the other end of resistance R5 is connected with R6 one end again, the resistance R6 other end is connected with equipotential line with D, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4 and trigger tube B5 connects successively, the other end of resistance R5 is also connected with one end of trigger tube B1, the other end of trigger tube B5 is connected with one end of resistance R8, the other end of resistance R8 is connected with one end of resistance R7, the other end of resistance R7 is connected with equipotential line with D, the other end of resistance R8 is connected with one end of electric capacity C2 again, the other end of electric capacity C2 is connected with equipotential line with D, the other end of resistance R8 is also connected with one end of stabilivolt W, the other end of stabilivolt W is connected with equipotential line with D, the other end of resistance R8 is connected with the gate terminal of field effect transistor in addition, the drain electrode end of field effect transistor is connected with commutator tube D1 output terminal and is connected with commutator tube D3 output terminal, the source terminal of field effect transistor is connected with equipotential line with D.
As a kind of preferred version, described resistance R1 and resistance R2 is positive temperature coefficient resistance.
As a kind of preferred version, described resistance R3 and resistance R4 is external sense line and falls voltage threshold currents resistance.
As a kind of preferred version, described resistance R6 is dividing potential drop and electric capacity C1 discharge resistance.
As a kind of preferred version, described resistance R7 is electric capacity C2 time delay discharge resistance.
As a kind of preferred version, described resistance R8 is trigger current buffer resistance.
As a kind of preferred version, the voltage driven electronic switch of described field effect transistor to be model be 4N90.
As a kind of preferred version, described resistance R9 is water level inductive switch and wire detection of electrical leakage resistance.
As a kind of preferred version, described resistance R10 is for driving current limliting dropping resistor.
As a kind of preferred version, described electric capacity C5 is for detecting energy storage integrating capacitor.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
According to human body safety current 30mA, the condition of bearing safe voltage 36V is contracted to human body unaware scope, the current value calculating the level sensor switch of this device is design considerations, integration energy storage is utilized to discharge, the small area analysis conversion big current of integration time delay release again, there is again the mode of more small area analysis release, application field effect transistor and trigger tube and electric capacity C2, resistance R7 forms triggering and conducting holding circuit, make resistance in opposite sets larger, to select in 2.2M Ω resistance as two sense lines to external resistance, stabilivolt W is that grill-protected source electrode avoids superpotential to damage, make the current value of the level sensor switch of this device less, namely safety requirements is met, meet again circuit needs.To utilize by overcurrent earth leakage circuit-breaker N line output terminal to resistance R1 to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor form to resistance R2 to contactor LJ to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor the function exchanging and turn direct current with by overcurrent earth leakage circuit-breaker L line output terminal, meet the characteristic that Alternating Current Power Supply contactor LJ must operate at alternating current, meet again the characteristic that field effect transistor must operate at direct current supply; Utilize the existing on off operating mode change of the height of water level being replaced as electric switch on the market, and the through and off state that the change of the height of water level is replaced as electric switch can optional level sensor.This product is applicable to the water lev el control of the water receptacle such as water tower, well, basement water collecting basin of unit, family.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the utility model.
Embodiment
Please refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of the utility model, include overcurrent electric leakage overpressure protection switch 10, contactor LJ, level sensor switch 20, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, commutator tube D5, stabilivolt W, field effect transistor, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5, trigger tube B6, trigger tube B7 and relay DJ.
This contactor LJ be connected to overcurrent earth leakage circuit-breaker 10 and supply water or drainage equipment 30 between, this level sensor switch 20 be arranged at water supply or water drain container 30 in, one end of this resistance R1 connects the N line output terminal of overcurrent earth leakage circuit-breaker, the input end of the other end connection commutator tube D1 of resistance R1 is connected with the output terminal of commutator tube D2 again, commutator tube D2 input end is connected with equipotential line with D, commutator tube D1 output terminal is connected with the drain electrode end of field effect transistor, one end of resistance R2 connects the L line output terminal of overcurrent earth leakage circuit-breaker, the other end of resistance R2 connects one end of contactor LJ and the input end of commutator tube D5, the other end of contactor LJ connects commutator tube D3 input end and is connected with commutator tube D4 output terminal again, commutator tube D3 output terminal connects the drain electrode end of field effect transistor, commutator tube D4 input end is connected with equipotential line with D, commutator tube D5 output terminal connects electric capacity C4 one end, the electric capacity C4 other end is connected with equipotential line with D, one end of electric capacity C4 one end contact resistance R9, one end of electric capacity C5 and the anode of relay DJ, one end of the resistance R9 other end and electric capacity C5 other end contact resistance R3, relay DJ negative terminal connects trigger tube B7 one end and connects the normally opened contact end of relay DJ itself, the trigger tube B7 other end connects one end of trigger tube B6, the other end of trigger tube B6 connects the electric capacity C5 other end and one end of contact resistance R3, the other end of resistance R3 connects the output terminal of level sensor switch, the movable contact end of relay DJ is connected with the control inputs anode of overcurrent earth leakage circuit-breaker 10, the control inputs negative terminal of overcurrent earth leakage circuit-breaker 10 is connected with one end of resistance R10, the other end of resistance R10 is connected with equipotential line with D, one end of resistance R4 connects the input end of level sensor switch 10, the other end of resistance R4 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with equipotential line with D, the resistance R4 other end is also connected with one end of resistance R5, the resistance R5 other end is connected with electric capacity C1 one end, the electric capacity C1 other end is connected with equipotential line with D, the resistance R5 other end is connected with R6 one end again, the resistance R6 other end is connected with equipotential line with D, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4 and trigger tube B5 connects successively, the resistance R5 other end is connected with one end of trigger tube B1, the other end of trigger tube B5 is connected with one end of resistance R8, the other end of resistance R8 is connected with one end of resistance R7, the other end of resistance R7 is connected with equipotential line with D, the other end of resistance R8 is connected with one end of electric capacity C2 again, the other end of electric capacity C2 is connected with equipotential line with D, the other end of resistance R8 is also connected with one end of stabilivolt W, the other end of stabilivolt W is connected with equipotential line with D, the other end of resistance R8 is connected with field effect transistor 4N90 gate terminal in addition, the drain electrode end of field effect transistor 4N90 is connected with commutator tube D1 output terminal and is connected with commutator tube D3 output terminal, the source terminal of field effect transistor is connected with equipotential line with D, have electric capacity C3, electric capacity C1, resistance R6, resistance R10, electric capacity C4, commutator tube D2 with D with the element that equipotential line is connected, arrange pipe D4, the source terminal of field effect transistor, stabilivolt W, electric capacity C2 and resistance R7.
In the present embodiment, described resistance R1 and resistance R2 is positive temperature coefficient resistance, described resistance R3 and resistance R4 is external sense line and falls voltage threshold currents resistance, described resistance R5 and resistance R6 is dividing potential drop and electric capacity C1 discharge resistance, described resistance R7 is electric capacity C2 time delay discharge resistance, described resistance R8 is trigger current buffer resistance, the voltage driven electronic switch of described field effect transistor to be model be 4N90, described resistance R9 is water level inductive switch and wire detection of electrical leakage resistance, electric capacity C5 is for detecting energy storage integrating capacitor, described trigger tube B6, trigger tube B7 is the function of water level inductive switch and lead-in wire leakage trigger thresholding and triggering, described relay DJ coil and the normal open switch of relay DJ own are connected to become self-locking and drive function, described resistance R10 is for driving current limliting dropping resistor, described trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5 is composed in series the function triggering thresholding and triggering, described stabilivolt W is that grill-protected source electrode avoids superpotential to damage.
By the N line output terminal of overcurrent earth leakage circuit-breaker 10 to resistance R1 to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor form to resistance R2 to contactor LJ to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor the function exchanging and turn direct current with the L line output terminal of the overpressure protection switch 10 that leaked electricity by overcurrent; meet the characteristic that Alternating Current Power Supply contactor LJ must operate at alternating current, meet again the characteristic that field effect transistor must operate at direct current supply.Level sensor switch 20 is pressed onto to resistance R9 to the positive electricity that resistance R3 is formed to commutator tube D5 to resistance R2 by the N phase output terminal of overcurrent electric leakage overpressure protection switch 10; by level sensor switch 20 to resistance R4 to resistance R5 to resistance R6 to commutator tube D2 to resistance R1 to the N line output terminal of overcurrent earth leakage circuit-breaker, form level sensor switch 20 electric signal return line.
When level sensor switch 20 is connected, the level sensor switch 20 signal circuit line current formed, coating-forming voltage charges to electric capacity C1 over resistor r 6, until when electric capacity C1 both end voltage is raised to 160V, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5 is triggered rapid conducting, the discharge loop of electric capacity C1 is through trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5 to resistance R8 charges to electric capacity C2, 20V is limited in by stabilivolt W, 20V electric energy subsequently on electric capacity C2 forms discharge loop by resistance R7, about need 3-5 second, due to DC current and the electric capacity C1 and trigger tube B1 of the conveying of level sensor signal wire, trigger tube B2, trigger tube B3, trigger tube B4, the discharge and recharge trigger rate that trigger tube B5 forms is 1-2 time/second, charge to continuously electric capacity C2, electric capacity C2 two ends are made to maintain about 20V voltage, the current drain of unnecessary 20V is carried out by stabilivolt W, can find out in circuit diagram that grid g and the source electrode s of now field effect transistor are connected in parallel on electric capacity C2 two ends, therefore field effect transistor obtains turn-on condition and maintains conducting, field effect transistor conducting makes contactor LJ obtain AC power driving and work, contactor LJ switching point closes, L to L1 electric current passes through, and water supply or drainage equipment 30 work, when level sensor switch 20 to increase to the height of pass because of water level, in level sensor switch 20, contact disconnects, resistance R3, in resistance R4, electric current is zero, electric capacity C1 does not trigger dump energy by resistance R6 release, electric capacity C3 is discharged to electric capacity C1 by resistance R5, electric capacity C2 storage of electrical energy is discharged by resistance R7, about need within 3 to 5 seconds, discharge, namely contactor LJ disconnects at level sensor switch 20 power supply that 3 seconds cut off water supply or drainage equipment 30 afterwards, stop supplying water or draining, enter the phase of waiting for subsequently, resistance R4, electric capacity C3, resistance R5, resistance R6, electric capacity C1, trigger tube B1, B2, B3, B4, B5 forms anti-jamming circuit, resist the undesired signal that the induction of level sensor line is come in, guarantee stable waiting for, avoid misoperation, whole circuit is blocking state, loss due to leakage is minimum, be approximately zero, wait water level fall backwater tower or go up to pond, level sensor switch 20 is connected again, work next time.
The leakage current detect to level sensor switch and wire is formed by resistance R9, resistance R10, electric capacity C5, relay DJ coil, trigger tube B7, trigger tube B6 and overcurrent earth leakage circuit-breaker tripping coil; Be intended to the reliability improving this device.
When level sensor switch or wire leak resistance are equal to or greater than 800K Ω, trigger tube B6 series connection trigger tube B7 both end voltage does not reach trigger tube turn-on condition, when level sensor switch or wire leak resistance are less than 800K Ω, leakage current causes boosting at resistance R9 two ends, charge to electric capacity C5, when being charged to 66v, (the forward voltage 33v+33v=66v of trigger tube) trigger tube suddenlys change because being triggered conducting, electric energy on electric capacity C5 forms discharge loop by relay DJ coil to trigger tube B7 to trigger tube B6, relay DJ normal open switch point is closed, meanwhile L line to resistance R2 to commutator tube D5 to relay DJ coil to relay normally open switching point to overcurrent earth leakage circuit-breaker interior loop KJ to resistance R10 to commutator tube D2 to resistance R1 to N the loop current of line pass through immediately, not only maintain the conducting of relay DJ, also drive overcurrent earth leakage circuit-breaker to thread off, disconnect general supply.
This application of installation, in the water level in well, pond, only need be selected another joint, level sensor switch 20 is put into well, two water level nodes of pond debugging control can realize controlling well, water level in water pool on level sensor switch 20; This device is changed wiring accordingly and namely be can be used for working in three-phase circuit equipment.
Design focal point of the present utility model is: according to human body safety current 30mA, the condition of bearing safe voltage 36V is contracted to human body unaware scope, the current value calculating the level sensor switch of this device is design considerations, integration energy storage is utilized to discharge, the small area analysis conversion big current of integration time delay release again, there is again the mode of more small area analysis release, application field effect transistor and trigger tube DB3 and electric capacity C2, resistance R7 forms triggering and conducting holding circuit, make resistance in opposite sets larger, to select in 2.2M Ω resistance as two sense lines to external resistance, make the current value of the level sensor switch of this device less, namely safety requirements is met, meet again circuit needs.To utilize by overcurrent earth leakage circuit-breaker N line output terminal to resistance R1 to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor form to resistance R2 to contactor LJ to commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, field effect transistor the function exchanging and turn direct current with by overcurrent earth leakage circuit-breaker L line output terminal, meet the characteristic that Alternating Current Power Supply contactor LJ must operate at alternating current, meet again the characteristic that field effect transistor must operate at direct current supply; Utilize the existing on off operating mode change of the height of water level being replaced as electric switch on the market, and the through and off state that the change of the height of water level is replaced as electric switch can optional level sensor switch.This product is applicable to the water lev el control of the water receptacle such as water tower, well, basement water collecting basin of unit, family.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a safety is again without the water tower waiting for power consumption, water level in water pool control device, it is characterized in that: include overcurrent earth leakage circuit-breaker, contactor LJ, level sensor switch, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, commutator tube D1, commutator tube D2, commutator tube D3, commutator tube D4, commutator tube D5, stabilivolt W, field effect transistor, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4, trigger tube B5, trigger tube B6, trigger tube B7 and relay DJ, this contactor LJ is connected between overcurrent earth leakage circuit-breaker and water supply or drainage equipment, and this level sensor switch-linear hybrid is in water supply or water drain container, one end of this resistance R1 connects the N line output terminal of overcurrent earth leakage circuit-breaker, the input end of the other end connection commutator tube D1 of resistance R1 is connected with commutator tube D2 output terminal again, commutator tube D2 input end is connected with equipotential line with D, commutator tube D1 output terminal is connected with the drain electrode end of field effect transistor, one end of resistance R2 connects the L line output terminal of overcurrent earth leakage circuit-breaker, the other end of resistance R2 connects one end of contactor LJ and the input end of commutator tube D5, the other end of contactor LJ connects commutator tube D3 input end and is connected with commutator tube D4 output terminal again, commutator tube D3 output terminal connects the drain electrode end of field effect transistor, commutator tube D4 input end is connected with equipotential line with D, commutator tube D5 output terminal connects electric capacity C4 one end, contact resistance R9 one end, electric capacity C4 one end, electric capacity C5 one end and relay DJ anode, the electric capacity C4 other end is connected with equipotential line with D, one end of the resistance R9 other end and electric capacity C5 other end contact resistance R3, the negative terminal of relay DJ connects trigger tube B7 one end and connects the normally opened contact end of relay DJ itself, the trigger tube B7 other end connects one end of trigger tube B6, the other end of trigger tube B6 connects the electric capacity C5 other end and one end of contact resistance R3, the other end of resistance R3 connects the output terminal of level sensor switch, the movable contact end of relay DJ is connected with the control inputs anode of overcurrent earth leakage circuit-breaker, the control inputs negative terminal of overcurrent earth leakage circuit-breaker is connected with one end of resistance R10, the other end of resistance R10 is connected with equipotential line with D, one end of resistance R4 connects the input end of level sensor switch, the other end of resistance R4 connects one end of electric capacity C3, the other end of electric capacity C3 is connected with equipotential line with D, the resistance R4 other end is also connected with one end of resistance R5, the other end of resistance R5 is connected with electric capacity C1 one end, the electric capacity C1 other end is connected with equipotential line with D, the other end of resistance R5 is connected with R6 one end again, the resistance R6 other end is connected with equipotential line with D, trigger tube B1, trigger tube B2, trigger tube B3, trigger tube B4 and trigger tube B5 connects successively, the other end of resistance R5 is also connected with one end of trigger tube B1, the other end of trigger tube B5 is connected with one end of resistance R8, the other end of resistance R8 is connected with one end of resistance R7, the other end of resistance R7 is connected with equipotential line with D, the other end of resistance R8 is connected with one end of electric capacity C2 again, the other end of electric capacity C2 is connected with equipotential line with D, the other end of resistance R8 is also connected with one end of stabilivolt W, the other end of stabilivolt W is connected with equipotential line with D, the other end of resistance R8 is connected with the gate terminal of field effect transistor in addition, the drain electrode end of field effect transistor is connected with commutator tube D1 output terminal and is connected with commutator tube D3 output terminal, the source terminal of field effect transistor is connected with equipotential line with D.
2. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R1 and resistance R2 is positive temperature coefficient resistance.
3. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R3 and resistance R4 is external sense line and falls voltage threshold currents resistance.
4. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R6 is dividing potential drop and electric capacity C1 discharge resistance.
5. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R7 is electric capacity C2 time delay discharge resistance.
6. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R8 is trigger current buffer resistance.
7. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: the voltage driven electronic switch of described field effect transistor to be model be 4N90.
8. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R9 is water level inductive switch and wire detection of electrical leakage resistance.
9. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described resistance R10 is for driving current limliting dropping resistor.
10. a kind of safety according to claim 1 is again without water tower, the water level in water pool control device of waiting for power consumption, it is characterized in that: described electric capacity C5 is for detecting energy storage integrating capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520711693.5U CN204945821U (en) | 2015-09-15 | 2015-09-15 | A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520711693.5U CN204945821U (en) | 2015-09-15 | 2015-09-15 | A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption |
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| CN204945821U true CN204945821U (en) | 2016-01-06 |
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| CN201520711693.5U Withdrawn - After Issue CN204945821U (en) | 2015-09-15 | 2015-09-15 | A kind of safety is again without water tower, the water level in water pool control device of waiting for power consumption |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138024A (en) * | 2015-09-15 | 2015-12-09 | 钟兴明 | Safe apparatus for controlling water level of water tower and pool without waiting power dissipation |
| CN106212311A (en) * | 2016-10-13 | 2016-12-14 | 四川森迪科技发展股份有限公司 | A kind of plant drinking trough electric current buffer protection type water level control system |
| CN108986361A (en) * | 2018-09-07 | 2018-12-11 | 泉州南石高速公路有限责任公司 | A kind of highway Stealing-proof Alarming System for Power Cable and anti-theft alarming method |
-
2015
- 2015-09-15 CN CN201520711693.5U patent/CN204945821U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138024A (en) * | 2015-09-15 | 2015-12-09 | 钟兴明 | Safe apparatus for controlling water level of water tower and pool without waiting power dissipation |
| CN105138024B (en) * | 2015-09-15 | 2017-10-03 | 钟兴明 | A kind of safety is again without water tower, the water level in water pool control device for waiting for power consumption |
| CN106212311A (en) * | 2016-10-13 | 2016-12-14 | 四川森迪科技发展股份有限公司 | A kind of plant drinking trough electric current buffer protection type water level control system |
| CN108986361A (en) * | 2018-09-07 | 2018-12-11 | 泉州南石高速公路有限责任公司 | A kind of highway Stealing-proof Alarming System for Power Cable and anti-theft alarming method |
| CN108986361B (en) * | 2018-09-07 | 2020-05-05 | 泉州南石高速公路有限责任公司 | Highway power cable anti-theft alarm system and anti-theft alarm method |
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