CN206803513U - A kind of safety power-off device and electric heater - Google Patents
A kind of safety power-off device and electric heater Download PDFInfo
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- CN206803513U CN206803513U CN201720679756.2U CN201720679756U CN206803513U CN 206803513 U CN206803513 U CN 206803513U CN 201720679756 U CN201720679756 U CN 201720679756U CN 206803513 U CN206803513 U CN 206803513U
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Abstract
The utility model embodiment provides a kind of safety power-off device and electric heater, is related to electric heater technical field.Safety power-off device includes housing, infrared sensor, controller, switch and alarm, the infrared sensor, the controller, the switch and the alarm are arranged in the housing, and the controller electrically connects with the infrared sensor, the switch and the alarm respectively.By infrared ray sensor to being detected in search coverage, if someone is entered in search coverage, controller is sent a signal to, controller controls the switch, to cut off the power supply to electric heater, while can light alarm lamp.The safety power-off device makes electric heater first power off descendant to contact use again, make user overcome the obstacle at heart to get an electric shock, and use is safer, without installing battery, saves manufacturing cost and maintenance cost, and it is high to be electrically connected with reliability by wire, is adapted to be widely popularized.
Description
Technical field
Electric heater technical field is the utility model is related to, in particular to a kind of safety power-off device and electric hot water
Device.
Background technology
Electric heater is a kind of water heater heated using electricity as the energy.China has more causes to use electric heating every year
Human casualty accident caused by hydrophone, to find out its cause, most of is all due to (no ground wire, the ground wire caused by environment electric leakage
Phenomena such as failure, ground wire electrification, powered running water pipe).Existing a kind of electric water heater leakage protection secure box, by box and intelligence
Can socket composition.After box is collected into the useful water behavior of user by water flow sensor, wireless signal is sent to intelligent plug,
Smart jack is cut off the electricity supply three poles, to protect user's bathing safe.But need user first to contact water heater and (open tap
Just powered off after afterwards), potential safety hazard be present, and box is typically powered by dry cell or water flow generator, and maintenance cost is high.
Utility model content
In view of this, the utility model embodiment provides a kind of safety power-off device and electric heater, to improve existing skill
The electric water heater leakage protection secure box of art needs user first to contact the problem of just power-off and maintenance cost are high after water heater.
In a first aspect, a kind of safety power-off device that the utility model embodiment provides, applied to electric heater, including shell
Body, infrared sensor, controller, switch and alarm, the infrared sensor, the controller, the switch and institute
Alarm is stated to be arranged in the housing, the controller respectively with the infrared sensor, it is described switch and the alarm
Device electrically connects；The infrared sensor is configured to detect whether that human body enters predeterminable area, and sends trigger signal, described
Controller is configured to control power supply of the switch cutoff to the electric heater according to the trigger signal, and sends alarm
Instruction, the alarm are configured to alarm according to the alarm command.
With reference in a first aspect, the utility model embodiment additionally provides the first possible embodiment of first aspect, its
In, the safety power-off device also includes reduction voltage circuit, and the reduction voltage circuit is electrically connected with city, and the reduction voltage circuit is configured to
Civil power is dropped into predeterminated voltage and powered for the infrared sensor, the controller and the alarm.
With reference in a first aspect, the utility model embodiment additionally provides second of possible embodiment of first aspect, its
In, the safety power-off device also includes pin and pin base, and the pin is configured to be connected with three poles of civil power, described to insert
Runners is configured to insert the plug of the electric heater.
With reference to second of possible embodiment of first aspect, the utility model embodiment additionally provides the of first aspect
Three kinds of possible embodiments, wherein, the switch is electrical apparatus release, and the electrical apparatus release is electrically connected to the pin and the pin base
Between, the electrical apparatus release is configured to cut off power supply of the pin to the pin base.
With reference to the third possible embodiment of first aspect, the utility model embodiment additionally provides the of first aspect
Four kinds of possible embodiments, wherein, the safety power-off device also includes electric-leakage detection circuit, the electric-leakage detection circuit and institute
Controller electrical connection is stated, the electric-leakage detection circuit is configured to detect whether zero line, live wire or ground wire leak electricity.
With reference to the 4th kind of possible embodiment of first aspect, the utility model embodiment additionally provides the of first aspect
Five kinds of possible embodiments, wherein, the electric-leakage detection circuit includes induction coil, when zero line, live wire or ground wire leak electricity
When, the induction coil exports electric signal to controller, and the controller controls the electrical apparatus release to cut off the pin to described
The power supply of pin base.
With reference in a first aspect, the utility model embodiment additionally provides the 6th kind of possible embodiment of first aspect, its
In, the safety power-off device also includes amplifier, the amplifier be connected to the infrared sensor and the controller it
Between.
With reference in a first aspect, the utility model embodiment additionally provides the 7th kind of possible embodiment of first aspect, its
In, when the controller is not received by the trigger signal of the infrared sensor in preset time, the controller control
Power supply of the switch connection power supply to the electric heater.
With reference in a first aspect, the utility model embodiment additionally provides the 8th kind of possible embodiment of first aspect, its
In, the switch is relay, and the alarm is audible-visual annunciator.
Second aspect, the utility model embodiment additionally provide a kind of electric heater, including water tank, plug and safety power-off
Device, the safety power-off device are used to access civil power, and it is described that the plug, which is configured to insert the safety power-off device,
Water tank is powered；The safety power-off device includes housing, infrared sensor, controller, switch and alarm, the infrared biography
Sensor, the controller, it is described switch and the alarm be arranged in the housing, the controller respectively with it is described red
Outer sensor, the switch and alarm electrical connection；The infrared sensor is configured to detect whether that human body enters
Enter predeterminable area, and send trigger signal, the controller is configured to control the switch cutoff according to the trigger signal
Power supply to the electric heater, the alarm are configured to the instruction alarm according to the controller.
Compared with prior art, the safety power-off device and electric heater that the utility model embodiment provides, safety power-off
Device includes housing, infrared sensor, controller, switch and alarm, the infrared sensor, the controller, described
Switch and the alarm be arranged in the housing, the controller respectively with the infrared sensor, it is described switch with
And the alarm electrical connection.By infrared ray sensor to being detected in search coverage, if someone enters in search coverage
When, controller is sent a signal to, controller controls the switch, to cut off the power supply to electric heater, while can light report
Alert indicator lamp.The safety power-off device makes electric heater first power off descendant to contact use again, overcome user and get an electric shock at heart
Obstacle, use is safer, without installing battery, saves manufacturing cost and maintenance cost, reliability is electrically connected with by wire
Height, it is adapted to be widely popularized.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the annexation figure of the electric heater that the utility model first embodiment provides and safety power-off device.
Fig. 2 is the module map for the safety power-off device that the utility model first embodiment provides.
Fig. 3 is the module map for the safety power-off device that the utility model second embodiment provides.
Fig. 4 is the structural representation for the electric heater that the utility model 3rd embodiment provides.
Icon：10- electric heaters；100- safety power-off devices；200- water tanks；300- plugs；101- pins；102- is depressured
Circuit；103- controllers；104- infrared sensors；105- is switched；106- pin bases；107- electrical apparatus releases；108- amplifiers；109-
Electric-leakage detection circuit；110- alarms.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
First embodiment
Fig. 1 is refer to, is the company of electric heater 10 and safety power-off device 100 that the utility model first embodiment provides
Connect graph of a relation.Electric heater 10 includes water tank 200 and plug 300, and water tank 200 is used for water storage, and has heating to fill in water tank 200
Put, plug 300 is used to be connected with the safety power-off device 100, accesses 220V civil power, makes the heater in water tank 200
Heat, for users to use hot water.
Fig. 2 is refer to, is the module map for the safety power-off device 100 that the utility model first embodiment provides.The peace
Full breaker device 100 includes pin 101, pin base 106, infrared sensor 104, controller 103, switch 105, reduction voltage circuit
102 and alarm 110, the infrared sensor 104, reduction voltage circuit 102, switch 105 and alarm 110 with the control
Device 103 processed electrically connects.
The pin 101 is used to be connected with zero line, live wire, and for accessing 220V civil power, and the pin 101 also connects
Ground.In this way, can be using 220V alternating current as the electric heater 10 of the present embodiment and the power supply of safety power-off device 100.
The pin base 106 is used for the plug 300 for inserting the water heater, specifically, the safety power-off device 100 wraps
Housing is included, for accommodating pin 101, pin base 106, infrared sensor 104, controller 103, switch 105, reduction voltage circuit 102
And the grade device of alarm 110, three through holes are offered on housing, three through holes are corresponding with the pin base 106 respectively, heat
The plug 300 of hydrophone can insert three through holes by conductive copper sheet, be further electrically connected with pin base 106.Three through holes
Shape can be rectangle, semicircle etc..
220V civil power is transmitted to electric heater 10, the switch 105 by pin 101 and pin base 106 can be used for cutting
Disconnected power supply of the pin 101 to pin base 106.The switch 105 can be electrical apparatus release, relay etc..
The reduction voltage circuit 102 electrically connects with the pin 101, and reduction voltage circuit 102, which is used to 220V civil power being depressured, is
Predeterminated voltage is simultaneously converted to direct current, to meet controller 103, infrared ray sensor and the work requirements for switching 105.Such as institute
It can be 12V to state predeterminated voltage, to meet controller 103, infrared ray sensor and the operating voltage for switching 105.
The infrared sensor 104 is used to detect the infrared ray for whether having human body radiation in predeterminable area, the preset areas
Domain is the investigative range of infrared sensor 104, such as the scope apart from 10410 meters of infrared sensor.Infrared sensor 104 is real-time
The infrared ray of human body radiation is detected, is provided with when user enters in the bathroom of the safety power-off device 100, and close to infrared
When in the range of the search coverage of sensor 104, infrared sensor 104 detects the infrared ray of human body radiation, infrared sensor 104 to
Controller 103 sends trigger signal.
The controller 103 is used for the trigger signal according to the infrared sensor 104, and controlling switch 105 closes.Example
Such as, after controller 103 receives the trigger signal of the transmission of infrared sensor 104, the controlling switch 105 of controller 103 disconnects, and cuts
Disconnected power supply of the pin 101 to pin base 106, further cuts off the power supply to electric heater 10.The controller 103 is probably one
Kind IC chip, there is the disposal ability of signal.Above-mentioned controller 103 can be central processing unit (Central
Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be numeral
Signal processor (DSP), application specific integrated circuit (ASIC).
Further, when the controller 103 is not received by the triggering of the infrared sensor 104 in preset time
During signal, the controller 103 is additionally operable to control the switch 105 to open, to connect confession of the civil power to the electric heater 10
Electricity.The preset time can be set in controller 103 in advance, and the time of setting can be 5 minutes, 10 minutes, 11 minutes
Deng.
The alarm 110 is used to alarm according to the instruction of controller 103, and the alarm 110 can be sound and light alarm
Device 110.When controller 103 receives the trigger signal of infrared sensor 104, the first alarm can be sent to alarm 110
Instruction, alarm 110 send the light of yellow.
Monitor in predeterminable area whether someone enters in real time by infrared sensor 104, and opened by controller 103 or
Close the switch 105, user can be using electric heater 10 and when being also not in contact with, the safety power-off device 100
The power supply to electric heater 10 can be cut off, prevents user from getting an electric shock.The talent is contacted with electric heater 10 after first powering off, and makes user gram
The obstacle at heart to get an electric shock is taken, use is safer.
Second embodiment
Fig. 3 is refer to, is the module map for the safety power-off device 100 that the utility model second embodiment provides.This implementation
The safety power-off device 100 and the difference of first embodiment of example are that the safety power-off device 100 of the present embodiment also includes electric leakage
Detect circuit 109 and amplifier 108, and cut-out pin 101 to the device that pin base 106 is powered be electrical apparatus release 107.
The electric-leakage detection circuit 109 electrically connects with the controller 103, and the electric-leakage detection circuit 109 is used to detect
Whether zero line, live wire or ground wire leak electricity.Specifically, the electric-leakage detection circuit 109 includes induction coil, induction coil can be felt
Zero line, live wire or ground wire should be arrived to leak electricity.When zero line, live wire or ground wire leak electricity, electromotive force caused by induction coil
It is unbalance, the induction coil output electric signal to controller 103, after controller 103 detects the change of electric signal, described in control
Electrical apparatus release 107 cuts off power supply of the pin 101 to the pin base 106.
When electric-leakage detection circuit 109 detects that zero line, live wire or ground wire leak electricity, the controller 103 sends the
For two alarm commands to alarm 110, alarm 110 can send the light of red, and send alarm sound.
The amplifier 108 is connected between the infrared sensor 104 and the controller 103, when someone is close to red
When in the range of the search coverage of outer sensor 104, small-signal caused by infrared sensor 104, exported after the amplification of amplifier 108
To controller 103, after controller 103 receives the signal of amplification, control electrical apparatus release 107 is threaded off, make the pin 101 with it is described
Separated between pin base 106, cut off the power supply to electric heater 10.
Need it is to be noted that the safety power-off device 100 of the present embodiment applies also for other electricity consumption devices, as electric cooker,
Washing machine etc..
3rd embodiment
Fig. 4 is refer to, is the structural representation for the electric heater 10 that the utility model 3rd embodiment provides.The present embodiment
A kind of electric heater 10, including water tank 200 and safety power-off device 100 are provided, water tank 200 and safety power-off device 100 pass through
Cable connection.When in use, the pin 101 of safety power-off device 100 is inserted into the interface of 220V civil powers, by powering off safely
Device 100 carries out security monitoring and power-off, it is ensured that user is safe to use to electric heater 10.
Certainly, in other embodiments, plug 300 can also be included in electric heater 10, plug 300 is arranged on
Between water tank 200 and safety power-off device 100, as transition device.In this way, compatibility is in the water heater used.
In summary, the safety power-off device and electric heater that the utility model embodiment provides, including infrared sensor,
Controller, switch and alarm, by infrared ray sensor to being detected in search coverage, if someone enters search coverage
When interior, controller is sent a signal to, controller controls the switch, to cut off the power supply to electric heater, while can light
Alarm lamp.The safety power-off device makes electric heater first power off descendant to contact use again, make user overcome the heart to get an electric shock
In obstacle, use is safer, without installing battery, saves manufacturing cost and maintenance cost, is electrically connected with by wire reliable
Property it is high, be adapted to be widely popularized.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure
Must be fully horizontal, but can be slightly tilted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then it further need not be defined and explained in subsequent accompanying drawing.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. safety power-off device, applied to electric heater, it is characterised in that including housing, infrared sensor, controller, Switch and alarm, the infrared sensor, the controller, the switch and the alarm are arranged at the housing Interior, the controller electrically connects with the infrared sensor, the switch and the alarm respectively；The infrared sensor is configured to detect whether that human body enters predeterminable area, and sends trigger signal, the control Device is configured to control power supply of the switch cutoff to the electric heater according to the trigger signal, and sends alarm and refer to Order, the alarm are configured to alarm according to the alarm command.
- 2. safety power-off device according to claim 1, it is characterised in that the safety power-off device also includes decompression electricity Road, the reduction voltage circuit electrically connect with city, and the reduction voltage circuit is configured to civil power dropping to predeterminated voltage and to be described infrared Sensor, the controller and alarm power supply.
- 3. safety power-off device according to claim 1, it is characterised in that the safety power-off device also include pin and Pin base, the pin are configured to be connected with three poles of civil power, and the pin base is configured to insert the electric heater Plug.
- 4. safety power-off device according to claim 3, it is characterised in that the switch is electrical apparatus release, the electrical apparatus release It is electrically connected between the pin and the pin base, the electrical apparatus release is configured to cut off the pin to the pin base Power supply.
- 5. safety power-off device according to claim 4, it is characterised in that the safety power-off device also includes electric leakage inspection Slowdown monitoring circuit, the electric-leakage detection circuit electrically connect with the controller, and the electric-leakage detection circuit is configured to detect zero line, fire Whether line or ground wire leak electricity.
- 6. safety power-off device according to claim 5, it is characterised in that the electric-leakage detection circuit includes the line of induction Circle, when zero line, live wire or ground wire leak electricity, the induction coil exports electric signal to controller, the controller control The electrical apparatus release cuts off power supply of the pin to the pin base.
- 7. safety power-off device according to claim 1, it is characterised in that the safety power-off device also includes amplification Device, the amplifier are connected between the infrared sensor and the controller.
- 8. safety power-off device according to claim 1, it is characterised in that the controller does not connect in preset time When receiving the trigger signal of the infrared sensor, the controller controls the switch connection power supply to the electric heater Power supply.
- 9. safety power-off device according to claim 1, it is characterised in that the switch is relay, the alarm For audible-visual annunciator.
- 10. a kind of electric heater, it is characterised in that including water tank, plug and any described safety power-off of claim 1 to 9 Device, the safety power-off device are used to access civil power, and it is described that the plug, which is configured to insert the safety power-off device, Water tank is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679756.2U CN206803513U (en) | 2017-06-12 | 2017-06-12 | A kind of safety power-off device and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679756.2U CN206803513U (en) | 2017-06-12 | 2017-06-12 | A kind of safety power-off device and electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803513U true CN206803513U (en) | 2017-12-26 |
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ID=60747056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720679756.2U Active CN206803513U (en) | 2017-06-12 | 2017-06-12 | A kind of safety power-off device and electric heater |
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| Country | Link |
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| CN (1) | CN206803513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701785A (en) * | 2019-10-31 | 2020-01-17 | 山东轻工职业学院 | Intelligent energy-saving hot water system and control method thereof |
-
2017
- 2017-06-12 CN CN201720679756.2U patent/CN206803513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701785A (en) * | 2019-10-31 | 2020-01-17 | 山东轻工职业学院 | Intelligent energy-saving hot water system and control method thereof |
| CN110701785B (en) * | 2019-10-31 | 2021-03-19 | 山东轻工职业学院 | Intelligent energy-saving hot water system and control method thereof |
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