CN209460317U - Electricity leakage warner - Google Patents
Electricity leakage warner Download PDFInfo
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- CN209460317U CN209460317U CN201821817061.7U CN201821817061U CN209460317U CN 209460317 U CN209460317 U CN 209460317U CN 201821817061 U CN201821817061 U CN 201821817061U CN 209460317 U CN209460317 U CN 209460317U
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Abstract
The utility model discloses a kind of electricity leakage warners, it belongs to security appliance apparatus field comprising plastic filter circuit, signal amplification driving circuit, oscillation sound light alarming circuit, voice alarm circuit, voltage display circuit and power circuit are picked up in voltage signal monitoring；The input terminal that plastic filter circuit is picked up in voltage signal monitoring is conductively connected monitored object, the output end connection signal amplification driving circuit of plastic filter circuit is picked up in voltage signal monitoring, the corresponding output end of signal amplification driving circuit is separately connected the input terminal of oscillation sound light alarming circuit, voice alarm circuit and voltage display circuit, and power circuit is that plastic filter circuit, signal amplification driving circuit, oscillation sound light alarming circuit, voice alarm circuit and voltage display circuit power supply are picked up in voltage signal monitoring；The utility model can be realized the real-time monitoring to tested equipment drain conditions, and circuit design is succinct, at low cost, high sensitivity.
Description
Technical field
The utility model relates to a kind of electricity leakage warners, belong to security appliance apparatus field.
Background technique
Currently, industrial production mechanical equipment and power equipment are usually caused due to dampness or alive circuit damage in insulation
The unexpected electrifications such as the body of mechanical equipment and power equipment metal material, shell, manipulation handle, the operator's wound thus caused
The accident of dying happens occasionally.
Existing electroprobe detection checks whether can only be to electrification, can not judge the size of electrical leakage voltage, and electroprobe is examined
It surveys and needs nearly body operation, once the case where truly having electric leakage even to discharge, it will be extremely dangerous.In addition, in actual mechanical process to setting
Standby electrification situation does not have real-time monitoring, once accident occurs, is difficult to check, it is more difficult to which warning and prevention in advance, the above problem is urgently
It is to be solved.
Utility model content
Convenient, high sensitivity is installed and used the technical problem to be solved by the utility model is to provide one kind and can be real
When monitor drain conditions electricity leakage warner.
The utility model adopts the technical scheme that
A kind of electricity leakage warner comprising plastic filter circuit, signal amplification driving circuit, vibration are picked up in voltage signal monitoring
Swing sound light alarming circuit, voice alarm circuit, voltage display circuit and power circuit；Shaping filter is picked up in the voltage signal monitoring
The input terminal of wave circuit is conductively connected monitored object, and the output end that plastic filter circuit is picked up in the voltage signal monitoring connects letter
Number amplification driving circuit, the corresponding output end of the signal amplification driving circuit are separately connected oscillation sound light alarming circuit, voice
The input terminal of warning circuit and voltage display circuit, the power circuit are that plastic filter circuit, letter are picked up in voltage signal monitoring
Number amplification driving circuit, oscillation sound light alarming circuit, voice alarm circuit and voltage display circuit power supply.
Further, the power circuit is solar power supply circuit comprising solar panel, rechargeable lithium battery
And charge protector, the input terminal of the output end access charge protector of the solar panel, the charge protection
The charging port of the output end access rechargeable lithium battery of circuit.
Further, the charge protector includes CMOS integrated circuit die I C7, Light-emitting diode LED 1 ~ shine
Diode (LED) 2, zener diode DZ, capacitor C70 ~ capacitor C71 and resistance R70 ~ resistance R73；The pin 4 of the chip IC 7 connects
VSS, the zener diode DZ connect between the pin 4 and ground of chip IC 7, in parallel after the capacitor C70 and resistance R70 series connection
At the both ends zener diode DZ, the output end of the solar panel is connected in parallel on the both ends capacitor C70, and the capacitor C71 is in parallel
Between the pin 2 and pin 3 of chip IC 7, the pin 3 of the chip IC 7 meets VDD, and pin 2 is grounded, the chargeable lithium
The input terminal of battery is connected in parallel on the both ends capacitor C71, is connected in parallel on chip IC 7 after the Light-emitting diode LED 1 and resistance R71 series connection
Pin 5 and VDD between, the Light-emitting diode LED 2 and resistance R73 series connection after be connected in parallel on chip IC 7 pin 1 and VDD it
Between, the pin 6 of the chip IC 7 is grounded through resistance R72.
The model MH4057 of the CMOS integrated circuit die I C7 comprising CD4011XXX HEF4011XXX etc. by 4
The CMOS integrated circuit that a NAND gate is constituted.
Further, it includes the low-voltage sampling unit being electrically connected to each other that plastic filter circuit is picked up in the voltage signal monitoring
Divide and the ungrounded sampling section of transient high voltages；
The low-voltage sampling section includes rectifier D, filter capacitor, divider resistance, current-limiting resistance, sensitivity setting electricity
Hinder R54, R55, R519, R520, diode D51 ~ diode D53 and switching transistor Q1；The input terminal of the rectifier D is to connect
The conductive contact of tested equipment is connect, the output end of the rectifier D is through filter capacitor, divider resistance, current-limiting resistance, diode
The sample circuit that D51 ~ diode D53 and switching transistor Q1 is constituted, corresponding output end are electrically connected the signal amplification driving
The input terminal of circuit 2；
The ungrounded sampling section of transient high voltages include clamp diode DZ1 before being connected on VDD and ground and its
Peripheral component.
Further, the voltage display circuit includes single-chip microcontroller IC1, light-emitting diode display, multiplexer IC2, amplifier
IC3/AA and amplifier IC3/BB；The phase of the multiplexer IC2 of the output termination voltage display circuit of signal amplification driving circuit 2
Input terminal is answered, is connected electrically in multiplexer IC2's after the amplifier IC3/AA and amplifier IC3/BB second level amplification in series
Respective input, the output end of the multiplexer IC2 connect the input terminal of single-chip microcontroller, and the output of the single-chip microcontroller terminates LED
The input terminal of display.
Further, the utility model further includes picking up plastic filter circuit, letter for placing the voltage signal monitoring
Number amplification driving circuit, oscillation sound light alarming circuit, voice alarm circuit, voltage display circuit and power circuit shell, institute
It states the solar panel in power circuit and is mounted on surface of shell, the light-emitting diode display in the voltage display circuit is mounted on
Surface of shell.
Further, the upper surface of the shell is inclined-plane, so that ponding, extension do not use the longevity for described device upper surface
Life.
Further, it further includes being connected on low-voltage sampling unit respectively that plastic filter circuit is picked up in the voltage signal monitoring
Divide and the test switch S1 and test switch S2, the test switch S1 and experiment opening in the ungrounded sampling section of transient high voltages
It closes S2 and uses tongue tube, be fixed on the inside of shell.Make test switch S1 or test switch S2 outside insulation shell with magnet
Conducting, which reaches, examines the whether normal purpose of integrated circuit.This design is opened in order to avoid on the insulation shell of electricity leakage warner
Key hole, this design enhance the waterproof performance of shell.
Further, the shell is insulation shell.
Further, the signal amplification driving circuit include the linear chip IC 5C of logic, the linear chip IC 5D of logic and
Its peripheral component.
Further, the oscillation sound light alarming circuit includes the linear chip IC 5B of logic, the linear chip IC 5A of logic, electricity
Hinder R511 ~ resistance R 514 and switching transistor Q4；The corresponding output end of the signal amplification driving circuit connects the logic line
Property chip IC 5B input terminal, the linear chip IC 5B of the logic and the linear chip IC 5A series connection of logic, the linear core of logic
The output end of piece IC5A connects the base stage of switching transistor Q4 through resistance R513, the external lamp of collector of the switching transistor Q4 or
Loudspeaker are convenient for sound-light alarm.
Further, the linear chip IC 5B of the logic, the linear chip IC 5A of logic, the linear chip IC 5C of logic, logic
The model CD4011BCM of linear chip IC 5D.
Further, the voice alarm circuit includes speech chip IC6 and its peripheral component, the speech chip
The model SC8010B of IC6.
Further, the model HT48R10A-1 of the single-chip microcontroller；The model of the multiplexer
74VHC4052M。
The beneficial effects of the utility model are as follows:
Voltage signal monitoring is picked up plastic filter circuit and is connect by low-voltage sampling section and transient high voltages are non-in this programme
Ground sampling section composition, low-voltage sampling section includes rectifier, filter capacitor, divider resistance, current-limiting resistance, adjustment of sensitivity
Resistance and switching transistor, and the ungrounded sampling section of transient high voltages is formed by components such as clamp diodes.Signal amplification
Driving circuit receives to monitor the signal for picking up plastic filter circuit from voltage signal, and is made whether according to the height of signal
Export alarm signal.Sound light alarming circuit, voice alarm circuit, voltage display circuit is vibrated to receive from signal amplification driving electricity
The signal on road is simultaneously shown according to the presence or absence of signal output sound-light alarm and electrical leakage voltage；In addition shaping filter is picked up in voltage signal monitoring
Wave circuit is equipped with the conductive contact of connection tested equipment, thus realize the real-time monitoring to tested equipment drain conditions,
This programme circuit design is succinct, at low cost, high sensitivity.
Power circuit is solar power supply circuit in this programme comprising solar panel, rechargeable lithium battery and is filled
Electric protection circuit, so that the present apparatus is not necessarily to external power supply, automatically by conversion solar energy self power generation, energy conservation and environmental protection is used
It is convenient, and charge protector is equipped with light emitting diode, convenient for intuitive observation lithium battery charging situation.
It is equipped with light-emitting diode display in voltage display circuit in this programme, can intuitively understand the size of electrical leakage voltage, and it is pacified
Mounted in surface of shell, it is more convenient to observe.Shell uses insulation shell, and use is safer.
Detailed description of the invention
Fig. 1 is the circuit structure functional block diagram of the utility model.
Fig. 2 is whole circuit diagrams of circuit part in embodiment.
Fig. 3 is the circuit diagram of solar power supply circuit in embodiment.
Fig. 4 is the circuit diagram of voltage display circuit in embodiment.
Wherein, plastic filter circuit, 2 signal amplification driving circuits, 3 oscillation sound-light alarm electricity are picked up in the monitoring of 1 voltage signal
Road, 4 voice alarm circuits, 5 voltage display circuits, 6 power circuits.
Specific embodiment
The utility model is described further with Fig. 1-Fig. 4 combined with specific embodiments below.
As Figure 1-Figure 4, the present embodiment is related to a kind of electricity leakage warner comprising shaping filter is picked up in voltage signal monitoring
Wave circuit 1, signal amplification driving circuit 2, oscillation sound light alarming circuit 3, voice alarm circuit 4, voltage display circuit 5 and power supply
Circuit 6；The input terminal that plastic filter circuit 1 is picked up in the voltage signal monitoring is conductively connected monitored object, the voltage signal
The output end connection signal amplification driving circuit 2 of plastic filter circuit 1, the phase of the signal amplification driving circuit 2 are picked up in monitoring
Output end is answered to be separately connected the input terminal of oscillation sound light alarming circuit 3, voice alarm circuit 4 and voltage display circuit 5, the electricity
Source circuit 6 is that plastic filter circuit 1, signal amplification driving circuit 2, oscillation sound light alarming circuit 3, language are picked up in voltage signal monitoring
Sound warning circuit 4 and voltage display circuit 5 are powered.
Further, the power circuit 6 is solar power supply circuit comprising solar panel, chargeable lithium electricity
Pond and charge protector, the input terminal of the output end access charge protector of the solar panel, the charger
The charging port of the output end access rechargeable lithium battery of protection circuit.
Further, the charge protector includes CMOS integrated circuit die I C7, Light-emitting diode LED 1 ~ shine
Diode (LED) 2, zener diode DZ, capacitor C70 ~ capacitor C71 and resistance R70 ~ resistance R73；The pin 4 of the chip IC 7 connects
VSS, the zener diode DZ connect between the pin 4 and ground of chip IC 7, in parallel after the capacitor C70 and resistance R70 series connection
At the both ends zener diode DZ, the output end of the solar panel is connected in parallel on the both ends capacitor C70, and the capacitor C71 is in parallel
Between the pin 2 and pin 3 of chip IC 7, the pin 3 of the chip IC 7 meets VDD, and pin 2 is grounded, the chargeable lithium
The input terminal of battery is connected in parallel on the both ends capacitor C71, is connected in parallel on chip IC 7 after the Light-emitting diode LED 1 and resistance R71 series connection
Pin 5 and VDD between, the Light-emitting diode LED 2 and resistance R73 series connection after be connected in parallel on chip IC 7 pin 1 and VDD it
Between, the pin 6 of the chip IC 7 is grounded through resistance R72.
The model MH4057 of the CMOS integrated circuit die I C7 comprising CD4011XXX HEF4011XXX etc. by 4
The CMOS integrated circuit that a NAND gate is constituted.
Further, it includes the low-voltage sampling being electrically connected to each other that plastic filter circuit 1 is picked up in the voltage signal monitoring
Part and the ungrounded sampling section of transient high voltages；
Further, the low-voltage sampling section includes rectifier D, filter capacitor, divider resistance, current-limiting resistance, spirit
Sensitivity sets resistance R54, R55, R519, R520, diode D51 ~ diode D53 and switching transistor Q1；The rectifier D's
Input terminal is the conductive contact for connecting tested equipment, and the output end of the rectifier D is through filter capacitor, divider resistance, current limliting
The sample circuit that resistance, diode D51 ~ diode D53 and switching transistor Q1 are constituted, corresponding output end are electrically connected the letter
The input terminal of number amplification driving circuit 2；
Further, the ungrounded sampling section of the transient high voltages includes two pole of clamper before being connected on VDD and ground
Pipe DZ1 and its peripheral component.
Further, the voltage display circuit includes single-chip microcontroller IC1, light-emitting diode display, multiplexer IC2, amplifier
IC3/AA and amplifier IC3/BB；The phase of the multiplexer IC2 of the output termination voltage display circuit of signal amplification driving circuit 2
Input terminal is answered, is connected electrically in multiplexer IC2's after the amplifier IC3/AA and amplifier IC3/BB second level amplification in series
Respective input, the output end of the multiplexer IC2 connect the input terminal of single-chip microcontroller, and the output of the single-chip microcontroller terminates LED
The input terminal of display.
Further, the utility model further includes picking up plastic filter circuit 1, letter for placing the voltage signal monitoring
Number amplification driving circuit 2, oscillation sound light alarming circuit 3, voice alarm circuit 4, voltage display circuit 5 and power circuit shell
Body, the solar panel in the power circuit 6 are mounted on surface of shell, the light-emitting diode display in the voltage display circuit 5
It is mounted on surface of shell.
It further includes being connected on low-voltage sampling section and transient state respectively that plastic filter circuit 1 is picked up in the voltage signal monitoring
Test switch S1 and test switch S2, the test switch S1 and test switch S2 in the ungrounded sampling section of high voltage are used
Tongue tube is fixed on the inside of shell.It with magnet is connected outside insulation shell test switch S1 or test switch S2 to reach
Examine the whether normal purpose of integrated circuit.This is designed in order to avoid the open button hole on the insulation shell of electricity leakage warner,
This design enhances the waterproof performance of shell.
Further, the housing upper surface is inclined-plane, so that described device upper surface not ponding, prolongs the service life.
Further, the shell is insulation shell.
Further, the signal amplification driving circuit 2 include the linear chip IC 5C of logic, the linear chip IC 5D of logic and
Its peripheral component.
Further, the oscillation sound light alarming circuit 5 include the linear chip IC 5B of logic, the linear chip IC 5A of logic,
Resistance R511 ~ resistance R 514 and switching transistor Q4；The corresponding output end of the signal amplification driving circuit 2 connects described patrol
The input terminal of linear chip IC 5B is collected, the linear chip IC 5B and linear chip IC 5A of logic of logic connects, the logic line
The output end of property chip IC 5A connects the base stage of switching transistor Q4 through resistance R513, and the collector of the switching transistor Q4 is external
Lamp or loudspeaker are convenient for sound-light alarm.
Further, the linear chip IC 5B of the logic, the linear chip IC 5A of logic, the linear chip IC 5C of logic, logic
The model CD4011BCM of linear chip IC 5D.
Further, the voice alarm circuit 4 includes speech chip IC6 and its peripheral component, the speech chip
The model SC8010B of IC6.
Further, the model HT48R10A-1 of the single-chip microcontroller；The model of the multiplexer
74VHC4052M。
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of electricity leakage warner, it is characterised in that: it includes that plastic filter circuit (1) is picked up in voltage signal monitoring, signal is put
Big driving circuit (2), oscillation sound light alarming circuit (3), voice alarm circuit (4), voltage display circuit (5) and power circuit
(6)；The input terminal that plastic filter circuit (1) is picked up in the voltage signal monitoring is conductively connected monitored object, the voltage signal
The output end connection signal amplification driving circuit (2) of plastic filter circuit (1), the signal amplification driving circuit are picked up in monitoring
(2) corresponding output end is separately connected oscillation sound light alarming circuit (3), voice alarm circuit (4) and voltage display circuit (5)
Input terminal, the power circuit (6) be voltage signal monitoring pick up plastic filter circuit (1), signal amplification driving circuit (2),
Vibrate sound light alarming circuit (3), voice alarm circuit (4) and voltage display circuit (5) power supply.
2. electricity leakage warner according to claim 1, it is characterised in that: the power circuit (6) is solar powered electricity
Road comprising solar panel, rechargeable lithium battery and charge protector, the output end access of the solar panel
The input terminal of charge protector, the charging port of the output end access rechargeable lithium battery of the charge protector.
3. electricity leakage warner according to claim 2, it is characterised in that: the charge protector includes the integrated electricity of CMOS
Road chip IC 7,1 ~ Light-emitting diode LED of Light-emitting diode LED 2, zener diode DZ, capacitor C70 ~ capacitor C71 and resistance R70
~ resistance R73；The pin 4 of the chip IC 7 meets VSS, and the zener diode DZ connects between the pin 4 and ground of chip IC 7,
The both ends zener diode DZ are connected in parallel on after the capacitor C70 and resistance R70 series connection, the output end of the solar panel is in parallel
At the both ends capacitor C70, the capacitor C71 is connected in parallel between the pin 2 of chip IC 7 and pin 3, and the pin 3 of the chip IC 7 connects
VDD, pin 2 are grounded, and the input terminal of the rechargeable lithium battery is connected in parallel on the both ends capacitor C71, the Light-emitting diode LED 1
And it is connected in parallel between the pin 5 of chip IC 7 and VDD after resistance R71 series connection, the Light-emitting diode LED 2 and resistance R73 series connection
It is connected in parallel between the pin 1 of chip IC 7 and VDD afterwards, the pin 6 of the chip IC 7 is grounded through resistance R72.
4. electricity leakage warner according to claim 1, it is characterised in that: shaping filter electricity is picked up in the voltage signal monitoring
Road (1) includes the low-voltage sampling section being electrically connected to each other and the ungrounded sampling section of transient high voltages；
The low-voltage sampling section includes rectifier D, filter capacitor, divider resistance, current-limiting resistance, sensitivity setting resistance
R54, R55, R519, R520, diode D51 ~ diode D53 and switching transistor Q1；The input terminal of the rectifier D is connection
The conductive contact of tested equipment, the output end of the rectifier D is through filter capacitor, divider resistance, current-limiting resistance, diode
The sample circuit that D51 ~ diode D53 and switching transistor Q1 is constituted, corresponding output end are electrically connected the signal amplification driving
The input terminal of circuit (2)；
The ungrounded sampling section of transient high voltages includes clamp diode DZ1 and its periphery before being connected on VDD and ground
Component.
5. electricity leakage warner according to claim 1, it is characterised in that: the voltage display circuit (5) includes single-chip microcontroller
IC1, light-emitting diode display, multiplexer IC2, amplifier IC3/AA and amplifier IC3/BB；The output of signal amplification driving circuit (2)
The respective input of the multiplexer IC2 of termination voltage display circuit (5), the amplifier IC3/AA and amplifier IC3/BB series connection
Constitute the respective input that multiplexer IC2 is connected electrically in after second level is amplified, the output end order of the multiplexer IC2
The input terminal of piece machine, the input terminal of the output termination light-emitting diode display of the single-chip microcontroller.
6. electricity leakage warner according to claim 1, it is characterised in that: it further includes for placing the voltage signal prison
It surveys and picks up plastic filter circuit (1), signal amplification driving circuit (2), oscillation sound light alarming circuit (3), voice alarm circuit
(4), the shell of voltage display circuit (5) and power circuit (6), the solar panel in the power circuit (6) are mounted on
Surface of shell, the light-emitting diode display in the voltage display circuit (5) are mounted on surface of shell.
7. electricity leakage warner according to claim 6, it is characterised in that: the upper surface of the shell is inclined-plane.
8. electricity leakage warner according to claim 1 or 4, it is characterised in that: it further includes for placing the voltage letter
Number monitoring pick up plastic filter circuit (1), signal amplification driving circuit (2), oscillation sound light alarming circuit (3), audio alert electricity
Road (4), voltage display circuit (5) and power circuit (6) shell；Plastic filter circuit (1) is picked up in the voltage signal monitoring
It further include being connected on low-voltage sampling section and test switch S1 and test in the ungrounded sampling section of transient high voltages respectively
Switch S2, the test switch S1 and test switch S2 use tongue tube, are fixed on the inside of shell.
9. electricity leakage warner according to claim 6 or 7, it is characterised in that: the shell is insulation shell.
10. electricity leakage warner according to claim 8, it is characterised in that: the shell is insulation shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821817061.7U CN209460317U (en) | 2018-11-06 | 2018-11-06 | Electricity leakage warner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821817061.7U CN209460317U (en) | 2018-11-06 | 2018-11-06 | Electricity leakage warner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460317U true CN209460317U (en) | 2019-10-01 |
Family
ID=68038113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821817061.7U Active CN209460317U (en) | 2018-11-06 | 2018-11-06 | Electricity leakage warner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289692A (en) * | 2019-12-27 | 2020-06-16 | 浙江新寰科环保科技股份有限公司 | Automatic gas monitoring system and monitoring method thereof |
| CN112098892A (en) * | 2020-09-18 | 2020-12-18 | 新兴铸管股份有限公司 | Electricity leakage alarm circuit for electricity utilization equipment |
-
2018
- 2018-11-06 CN CN201821817061.7U patent/CN209460317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289692A (en) * | 2019-12-27 | 2020-06-16 | 浙江新寰科环保科技股份有限公司 | Automatic gas monitoring system and monitoring method thereof |
| CN112098892A (en) * | 2020-09-18 | 2020-12-18 | 新兴铸管股份有限公司 | Electricity leakage alarm circuit for electricity utilization equipment |
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