CN206803514U - Safety device and electric heater - Google Patents
Safety device and electric heater Download PDFInfo
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- CN206803514U CN206803514U CN201720679779.3U CN201720679779U CN206803514U CN 206803514 U CN206803514 U CN 206803514U CN 201720679779 U CN201720679779 U CN 201720679779U CN 206803514 U CN206803514 U CN 206803514U
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Abstract
The utility model proposes a kind of safety device and electric heater.The safety device is applied to electric heater, including body and smart jack, body includes electricity generation module, voltage detecting circuit, power module, first communication module and main control chip, voltage detecting circuit and power module electrically connect with electricity generation module, voltage detecting circuit, power module and first communication module are electrically connected with main control chip, and body is communicated by first communication module with smart jack.Electricity generation module generates electricity in electric heater water flowing and charged to power module, stops generating electricity when electric heater is cut off the water supply, power module is powered to first communication module and main control chip.The output voltage of the output end of voltage detecting circuit detection electricity generation module exports testing result to main control chip, main control chip controls first communication module to send control instruction to smart jack according to testing result, and smart jack is switched off or on external power source according to control instruction.The safety device cost is low, and space is small, is easy to design.
Description
Technical field
Technical field of water heaters is the utility model is related to, in particular to a kind of safety device and electric heater.
Background technology
With the continuous development and progress of society, to meet the needs of user, water heater technology is also evolving and entered
Step, at this stage, electric heater has come into huge numbers of families, and great convenience is brought with water to user.However, in electric heater
While bringing advantage to the user, also inevitably there is potential safety hazard, the security of the lives and property of user, China threaten
There is the event that more causes cause casualty accident using electric heater every year, therefore how to ensure user using electric heating
The Electrical Safety of the process of hydrophone, accident is reduced, be all the emphasis of those skilled in the art's concern all the time.
The safety device of existing electric heater, water-flow signal is detected by water flow sensor Hall element, with control
Electric heater processed powers off in water flowing, is powered when cutting off the water supply, and then ensures that user uses the safety of electric heater.But the safety
The manufacturing cost of device is high, and space-consuming is big, influences the design of structure, and needs constantly to change rechargeable battery increasing when in use
Use cost is added.
Utility model content
The purpose of this utility model is to provide a kind of safety device, with cost-effective, diminution structure space.
The purpose of this utility model, which also resides in, provides a kind of electric heater, with cost-effective, diminution structure space.
To achieve these goals, the technical scheme that the utility model embodiment uses is as follows：
In a first aspect, the utility model embodiment proposes a kind of safety device, applied to electric heater.The safety device
Including body and smart jack, the smart jack electrically connects with the electric heater, and the body includes electricity generation module, voltage
Detect circuit, power module, first communication module and main control chip, the voltage detecting circuit and the power module are and institute
State electricity generation module electrical connection, the voltage detecting circuit, power module and the first communication module with the main control chip
Electrical connection, the body are communicated to connect by the first communication module and the smart jack.The electricity generation module is used for
Generate electricity during the electric heater water flowing and charged to the power module, the electricity generation module is additionally operable to break in the electric heater
Stop generating electricity during water, the power module is used to power to the first communication module and the main control chip.The voltage inspection
Slowdown monitoring circuit is used for the output voltage for detecting the output end of the electricity generation module and exports testing result to the main control chip, described
Main control chip is used to control the first communication module to send control instruction, institute to the smart jack according to the testing result
Smart jack is stated to be used to either connect external power source according to control instruction cut-out so that electric heater power-off or logical
Electricity.
Second aspect, the utility model embodiment also propose a kind of electric heater, and the electric heater includes safety device.
The safety device includes body and smart jack, and the body includes electricity generation module, voltage detecting circuit, power module, the
One communication module, main control chip and reminding module, the voltage detecting circuit and the power module with the electricity generation module
Electrical connection, the voltage detecting circuit, power module, first communication module and the reminding module are electric with the main control chip
Connection, the body are communicated to connect by the first communication module and the smart jack.The electricity generation module is used in institute
Generate electricity when stating electric heater water flowing and charged to the power module, the electricity generation module is additionally operable to cut off the water supply in the electric heater
When stop generating electricity, the power module is used to power to the first communication module and the main control chip.The voltage detecting
Circuit is used for the output voltage for detecting the output end of the electricity generation module and exports testing result, the master to the main control chip
Chip is controlled to be used to control the first communication module to send control instruction to the smart jack according to the testing result, it is described
Smart jack be used for according to the control instruction cut-out either connect external power source so that the electric heater power-off or be powered,
And feed back power-off to the first communication module and confirm instruction or be powered to confirm instruction, the main control chip is additionally operable to described
First communication module does not receive the power-off and confirms that instruction or described be powered confirm to control the reminding module to send during instruction
Prompt message is to prompt user to break down.
Compared with the prior art, the utility model has the advantages that：
Safety device provided by the utility model, applied to electric heater, including body and smart jack, the intelligence is inserted
Seat electrically connects with the electric heater, and the body includes electricity generation module, voltage detecting circuit, power module, the first communication mould
Block and main control chip, the voltage detecting circuit and the power module electrically connect with the electricity generation module, the voltage inspection
Slowdown monitoring circuit, power module and the first communication module electrically connect with the main control chip, and the body passes through described first
Communication module communicates to connect with the smart jack.The electricity generation module is used to generate electricity in the electric heater water flowing and to institute
Power module charging is stated, the electricity generation module is additionally operable to stop generating electricity when the electric heater is cut off the water supply, and the power module is used
In to the first communication module and main control chip power supply.The voltage detecting circuit is used to detect the electricity generation module
The output voltage of output end simultaneously exports testing result to the main control chip, and the main control chip is used for according to the testing result
The first communication module is controlled to send control instruction to the smart jack, the smart jack is used to refer to according to the control
Order cut-out either connects external power source so that electric heater power-off or energization.Safety device provided by the utility model into
This is relatively low, and structure space is small, is easy to design.
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 shows the connection diagram of safety device and electric heater provided by the utility model.
Fig. 2 shows the functional block diagram for the safety device that the utility model first embodiment is provided.
Fig. 3 shows the connection diagram of shaping circuit and generator.
Fig. 4 shows the structured flowchart of power module in Fig. 2.
Fig. 5 shows the functional block diagram of smart jack in Fig. 2.
Fig. 6 shows the structured flowchart for the safety device that the utility model second embodiment is provided.
Fig. 7 shows the structural representation for the electric heater that the utility model 3rd embodiment is provided.
Icon：10- safety devices；20- electric heaters；21- water pipes；22- power-line plugs；100- bodies；200- intelligence
Socket；110- electricity generation modules；120- voltage detecting circuits；130- power modules；140- first communication modules；150- master control cores
Piece；160- reminding modules；210- controllers；220- electrical apparatus releases；230- second communication modules；240- pins；250- pin bases；
260- reduction voltage circuits；270- electric-leakage detection circuits；280- alarm modules；112- generators；114- shaping circuits；131- charging electricity
Road；132- farad capacitors；1141- rectification circuits；1142- filter regulator circuits.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
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 meanwhile new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
Fig. 1 is refer to, by the connection signal of the safety device 10 that the utility model embodiment provides and electric heater 20
Figure.The safety device 10 can be applied on the electric heater 20, for ensureing use of the user in using electric heater 20
Electric safety.The safety device 10 includes body 100 and smart jack 200, and the body 100 is logical with the smart jack 200
Letter connection, the smart jack 200 electrically connect with the electric heater 20.In the present embodiment, the smart jack 200 and one
External power source is connected, it is preferable that the external power source is that 220V AC voltage (i.e. civil power) electric heater 20 can pass through
The smart jack 200 accesses external power source energization work.In the present embodiment, the smart jack 200 is described for controlling
Electric heater 20 is powered or powered off.
First embodiment
Fig. 2 is refer to, the functional block diagram of the safety device 10 provided by the utility model first embodiment.Described
Body 100 includes electricity generation module 110, voltage detecting circuit 120, power module 130, first communication module 140 and main control chip
150, the voltage detecting circuit 120 and the power module 130 electrically connect with the electricity generation module 110, the voltage inspection
Slowdown monitoring circuit 120, power module 130 and the first communication module 140 electrically connect with the main control chip 150, the body
100 are communicated to connect by the first communication module 140 and the smart jack 200.
The electricity generation module 110 is used to generate electricity in 20 water flowing of electric heater, and is charged to the power module 130
Accumulation of energy, the electricity generation module 110 are additionally operable to stop generating electricity when the electric heater 20 is cut off the water supply.In the present embodiment, the hair
Electric module 110 includes generator 112 and shaping circuit 114, the input electricity of the generator 112 and the shaping circuit 114
Connection, the output end of the power module 130 and the voltage detecting circuit 120 with the shaping circuit 114 electrically connect.When
During 20 water flowing of electric heater, the generator 112 starts to generate electricity, and gives the power supply mould by the shaping circuit 114
Block 130 charges, and now the body 100, which is in, wakes up working condition；When the electric heater 20 is cut off the water supply, the generator 112
Stop generating electricity, now the body 100 is Low-power-consumptiodormancy dormancy state.In the present embodiment, the generator 112 may include impeller,
PM rotor, stator, wire and housing etc., when 20 water flowing of electric heater, water jet propulsion impeller drives PM rotor
Rotate, the coil cutting magnetic induction line of stator produces electric energy and the power supply is given after the rectification of shaping circuit 114, filtering, voltage stabilizing
Module 130 charges.
As shown in figure 3, the connection diagram for the shaping circuit 114 and generator 112.In the present embodiment, it is described
Shaping circuit 114 includes rectification circuit 1141 and filter regulator circuit 1142, the rectification circuit 1141 and the filtering voltage regulation
Circuit 1142, the generator 112 electrically connect, the filter regulator circuit 1142 and the power module 130, the voltage
Detection circuit 120 electrically connects.The rectification circuit 1141 is used to the alternating current that the generator 112 exports being converted to direct current
Electricity, the filter regulator circuit 1142 be used for the rectification circuit 1141 output the direct current be filtered and voltage stabilizing with
Just the stable direct current is exported to the power module 130.
Specifically, the rectification circuit 1141 includes the rectifier bridge connected into by 4 diodes D1, D2, D3 and D4, described
Filter regulator circuit 1142 includes the first filter capacitor C1, the second filter capacitor C2 and voltage stabilizing chip IC, wherein, diode D1's
Positive pole electrically connects with the one end of diode D2 positive pole with the first filter capacitor C1, diode D3 negative pole and diode
D4 negative pole electrically connects with the other end of the first filter capacitor C1, and the positive pole of diode D1 negative pole and diode D3 is electrically connected
One end of the generator 112 is connected to, diode D2 negative pole is electrically connected to the generator 112 with diode D4 positive pole
The other end.The voltage stabilizing chip IC includes input VIN, output end VOUT and earth terminal GND, wherein, the voltage stabilizing chip IC
Input VIN electrically connected with the other end of the first filter capacitor C1, the output end VOUT of the voltage stabilizing chip IC and institute
The second filter capacitor C2 one end electrical connection is stated, the other end of the second filter capacitor C2 is with the first filter capacitor C1's
One end and the voltage stabilizing chip IC earth terminal GND are electrically connected, and the earth terminal GND ground connection of the voltage stabilizing chip IC.Institute
The direct current for stating the output of rectification circuit 1141 is carried out through the first filter capacitor C1, the second filter capacitor C2 and voltage stabilizing chip IC
After filtering voltage regulation, steady dc voltage U1 is exported to the power module 130.
In the present embodiment, the power module 130 is used for the first communication module 140 and the main control chip
150 power supplies.As shown in figure 4, the power module 130 may include charging circuit 131 and farad capacitor 132, the farad capacitor
132 electrically connect with the first communication module 140, the main control chip 150, the output end of the filter regulator circuit 1142
It is electrically connected to give farad electricity by the charging circuit 131 by the charging circuit 131 and the farad capacitor 132
Hold 132 chargings, specifically, the charging circuit 131 electrically connects with the output end VOUT of the voltage stabilizing chip IC.The farad electricity
Hold 132 to be used to power to the first communication module 140 and the main control chip 150 in electric discharge, in the present embodiment, work as institute
When stating the generating of generator 112, the charging circuit 131 passes through the galvanic current that voltage stabilizing chip IC output end VOUT is exported
U1 is pressed to give the farad capacitor 132 charging accumulation of energy, no matter whether the generator 112 is generating electricity, by the farad capacitor 132
By cycle charge-discharge, powered as power supply to the first communication module 140 and the main control chip 150, to ensure this
No matter body 100 can normal work in wake-up working condition or Low-power-consumptiodormancy dormancy state.
In the present embodiment, the voltage detecting circuit 120 is used for the output for detecting the output end of the electricity generation module 110
Voltage simultaneously exports testing result to the main control chip 150, and the main control chip 150 is used to control institute according to the testing result
State first communication module 140 and send control instruction to the smart jack 200, the smart jack 200 is used for according to the control
System instruction cut-out either connects external power source so that the electric heater 20 powers off or is powered.
Specifically, when the voltage detecting circuit 120 detects the output voltage of the output end of the electricity generation module 110
When (being the voltage U1 of voltage stabilizing chip IC output end VOUT outputs) is more than first threshold (such as more than 0), the master control core
Piece 150 controls the first communication module 140 to send electrical instruction, the foundation of smart jack 200 to the smart jack 200
The electrical instruction connects the external power source so that the electric heater 20 is powered.When the voltage detecting circuit 120 detects
When being less than or equal to the first threshold to the output voltage of the output end of the electricity generation module 110, the main control chip 150 is controlled
Make the first communication module 140 and send cut-offing instruction to the smart jack 200, the smart jack 200 is according to described disconnected
Electricity instruction cuts off the external power source so that the electric heater 20 powers off.
As shown in figure 5, the functional block diagram for the smart jack 200.The smart jack 200 include controller 210,
Electrical apparatus release 220, second communication module 230, the electrical apparatus release 220 and the second communication module 230 with the controller 210
Electrical connection, the second communication module 230 are communicated to connect to realize the body 100 and institute with the first communication module 140
State the communication between smart jack 200.
In the present embodiment, when the second communication module 230 is received described in the transmission of first communication module 140
During cut-offing instruction, the controller 210 controls the electrical apparatus release 220 to thread off to cut off the external power source.When described second logical
When letter module 230 receives the electrical instruction that the first communication module 140 is sent, the controller 210 controls described
The suction buckle of electrical apparatus release 220 is to connect the external power source.
Further, the smart jack 200 also includes pin 240 and pin base 250, and the smart jack 200 passes through
The pin 240 electrically connects with the external power source, and the pin 240 passes through the electrical apparatus release 220 and the electricity of pin base 250
Connection, the electric heater 20 are electrically connected by the pin base 250 with the smart jack 200.In the present embodiment, it is described
Electrical apparatus release 220 is used to control the pin 240 to separate with the pin base 250 so that the electric heater 20 powers off, and being ought
When the electrical apparatus release 220 is threaded off successfully under the control of the controller 210, the pin 240 divides with the pin base 250
From so as to realize that electric heater 20 powers off.The electrical apparatus release 220 is additionally operable to control the pin 240 to connect with the pin base 250
Touch so that the electric heater 20 is powered, be when suction buckle success under control of the electrical apparatus release 220 in the controller 210
When, the pin 240 is in contact with the pin base 250, so as to realize that electric heater 20 is powered.
Further, the smart jack 200 also includes reduction voltage circuit 260, and the reduction voltage circuit 260 is electrically connected to described
Between pin 240 and the controller 210, the reduction voltage circuit 260 is used for the voltage that the external power source provides through decompression
Powered afterwards to the controller 210.
Further, the smart jack 200 may also include electric-leakage detection circuit 270 and alarm module 280, the electric leakage
Detection circuit 270 and the alarm module 280 electrically connect with the controller 210.The electric-leakage detection circuit 270 is used to examine
Survey whether the smart jack 200 leaks electricity, it is preferable that predominantly detect whether zero line, live wire and ground wire leak electricity, when the leakage
When power detection circuit 270 detects that the smart jack 200 leaks electricity, the controller 210 controls the electrical apparatus release 220 to cut
Break the external power source, and controls the alarm module 280 to be alarmed, so as to realize creepage protection function.In the present embodiment
In, the alarm module 280 can carry out electric leakage row by sound or alarming lamp prompt user to circuit and electric heater 20
Look into.
It should be noted that in the present embodiment, the first communication module 140 and second communication module 230 can be,
But it is not limited to, RF radio-frequency modules, Modbus communication modules, ZigBee communication module, bluetooth communication, WiFi module etc..
Second embodiment
Fig. 6 is refer to, the structured flowchart of the safety device 10 provided by the utility model second embodiment.Second implements
The safety device 10 that example is provided includes body 100 and smart jack 200, and compared with first embodiment, its difference is
The body 100 also includes reminding module 160, and the reminding module 160 electrically connects with the main control chip 150, and described
Body 100 can realize two-way communication with the smart jack 200 by first communication module 140 and second communication module 230.
Specifically, the generator 112 is used to generate electricity in 20 water flowing of electric heater, and the shaping circuit 114 is used
In carrying out rectification, filtering and voltage stabilizing to electric energy caused by the generator 112 to export steady dc voltage, and by described
Charging circuit 131 charges to the farad capacitor 132, and the farad capacitor 132 is by discharging to the first communication module 140
And the main control chip 150 is powered.The generator 112 is additionally operable to stop generating electricity when the electric heater 20 is cut off the water supply.It is described
The output voltage of output end of the voltage detecting circuit 120 for detecting the shaping circuit 114 is simultaneously defeated to the main control chip 150
Go out testing result, the main control chip 150 is used to control the first communication module 140 to the intelligence according to the testing result
Energy socket 200 sends control instruction, and the smart jack 200 is used to external power source is cut off or connected according to the control instruction
(such as 220V AC voltage of the access of pin 240) is so that the electric heater 20 powers off or is powered, and leads to described first
Believe that the feedback power-off of module 140 confirms instruction or be powered to confirm instruction.For example, when the voltage detecting circuit 120 detects institute
When stating the output voltage of the output end of shaping circuit 114 and being more than first threshold, the main control chip 150 controls first communication
Module 140 sends cut-offing instruction, the controller of the smart jack 200 to the second communication module 230 of the smart jack 200
210 control the electrical apparatus release 220 to thread off and (cut off the external power source) so that the electric heater according to the cut-offing instruction
20 power-off, and the second communication module 230 is controlled to the first communication module when the electrical apparatus release 220 is threaded off successfully
140 feedback power-off confirm instruction.When the voltage detecting circuit 120 detects the output of the output end of the shaping circuit 114
When voltage is less than or equal to the first threshold, the main control chip 150 controls the first communication module 140 to the intelligence
The second communication module 230 of socket 200 sends electrical instruction, and the controller 210 of the smart jack 200 is according to described in reception
Electrical instruction controls the suction buckle of electrical apparatus release 220 (connecting the external power source) so that the electric heater 20 is powered, and
Control the second communication module 230 to feed back to the first communication module 140 in the suction buckle of electrical apparatus release 220 success to be powered
Confirm instruction.
The main control chip 150, which is additionally operable to not receive the second communication module 230 in the first communication module 140, to be sent out
The power-off sent confirm instruction or it is described be powered when confirming instruction, control the reminding module 160 send prompt message with
Prompting user breaks down.In the present embodiment, after the first communication module 140 sends electrical instruction or cut-offing instruction not
Receive it is described be powered confirm instruction or it is described power-off confirm instruction when, then the main control chip 150 control it is described first communication
Module 140 continuously transmits electrical instruction or cut-offing instruction, if do not receive within the predetermined time it is described be powered confirm instruction or
Power-off confirms instruction described in person, then main control chip 150 controls the reminding module 160 to send prompt message, such as by sending
Sound is broken down (for example communication failure or electrical apparatus release 220 break down) with the prompt messages such as warning lamp prompting user.
3rd embodiment
Fig. 7 is refer to, the structural representation of the electric heater 20 provided by the utility model 3rd embodiment.Such as Fig. 7
Shown, the safety device 10 is arranged on the electric heater 20.It should be noted that described in the utility model embodiment
Safety device 10, its general principle and caused technique effect are identical with the safety device 10 that second embodiment is provided, and are
Briefly describe, do not refer to part in the present embodiment, refer to the corresponding contents in second embodiment.The safety device 10 includes
Body 100 and smart jack 200, wherein, the body 100 is arranged on the water pipe 21 of the electric heater 20, the electric heating
The power-line plug 22 of hydrophone 20 be inserted on the pin base 250 of the smart jack 200 so that the electric heater 20 can with it is outer
Portion's power on.
In the present embodiment, the body 100 is communicated to connect by first communication module 140 and the smart jack 200,
The electricity generation module 110 be used in 20 water flowing of electric heater (thering are current to flow through the water pipe 21) start to generate electricity and to
The power module 130 charges, and the electricity generation module 110 is additionally operable to (i.e. no current stream when the electric heater 20 is cut off the water supply
Through the water pipe 21) stop generating electricity, the power module 130 is used for the first communication module 140 and the main control chip
150 power supplies, the voltage detecting circuit 120 are used to detect the output voltage of the output end of the electricity generation module 110 and to described
Main control chip 150 exports testing result, and the main control chip 150 is used for according to testing result control the first communication mould
Block 140 to the smart jack 200 send control instruction, the smart jack 200 be used for according to the control instruction cut-out or
Person connects external power source so that the electric heater 20 powers off or is powered, and feeds back and power off to the first communication module 140
Confirmation instruction or the confirmation instruction that is powered, the main control chip 150 are additionally operable to not receive described break in the first communication module 140
The prompt message of reminding module 160 is controlled to prompt user to break down when electricity instruction or the electrical instruction.
In summary, the safety device and electric heater that the utility model embodiment is provided, the safety device body and
Smart jack, the body are arranged on the water pipe of the electric heater, and the power-line plug of the electric heater is inserted in the intelligence
So that electric heater can be connected with external power source on the pin base of energy socket.When electric heater water flowing, generator starts to generate electricity,
Caused electric energy after shaping circuit rectification, filtering, voltage stabilizing by exporting steady dc voltage, and by charging circuit to farad
Electric capacity charging accumulation of energy, so that the farad capacitor can be used as power supply to be powered to main control chip and first communication module, voltage detecting electricity
Road detects that the output voltage of the output end of shaping circuit is more than first threshold, and main control chip controls first communication module to intelligence
The second communication module of socket sends cut-offing instruction, the controller of smart jack threaded off according to cut-offing instruction control electrical apparatus release so that
Pin and pin base separation so as to realize that electric heater powers off, and when electrical apparatus release is threaded off successfully control second communication module to the
The feedback power-off of one communication module confirms instruction.When the electric heater is cut off the water supply, generator stops generating electricity, voltage detecting circuit inspection
The output voltage for measuring the output end of shaping circuit is less than or equal to the first threshold, main control chip control first communication module
Electrical instruction is sent to the second communication module of smart jack, the controller of smart jack is de- according to the electrical instruction control received
Button device suction buckle is so that pin and pin base are contacted so as to realize that electric heater is powered, and control second in the success of electrical apparatus release suction buckle
Communication module is fed back to be powered to first communication module confirms instruction.
Do not receive energization after first communication module sends electrical instruction or cut-offing instruction and confirm that instruction or power-off confirm
During instruction, main control chip control first communication module continuously transmits electrical instruction or cut-offing instruction, if equal within the predetermined time
Energization is not received and confirms that instruction or power-off confirm instruction, then main control chip judges to be likely to occur communication failure or electrical apparatus release
Break down, by controlling reminding module to send sound or prompting user to break down with prompt messages such as warning lamps.In addition, should
Smart jack also has creepage protection function, detects whether the smart jack leaks electricity by electric-leakage detection circuit, works as detection
To when leaking electricity, electrical apparatus release is controlled to cut off the electricity supply three poles by controller, and control alarm module to be alarmed to prompt to use
Family carries out electric leakage investigation.The safety device is powered using farad capacitor as power supply, service life length, non-maintaining, also not
Need to change battery, save use cost and maintenance cost, and the safety device detects water-flow signal using voltage detecting circuit,
Water flow sensor is not needed, structure space can be reduced, saves manufacturing cost.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
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.
Claims (10)
- A kind of 1. safety device, applied to electric heater, it is characterised in that the safety device includes body and smart jack, The smart jack electrically connects with the electric heater, the body include electricity generation module, voltage detecting circuit, power module, First communication module and main control chip, the voltage detecting circuit and the power module electrically connect with the electricity generation module, The voltage detecting circuit, power module and the first communication module electrically connect with the main control chip, and the body leads to The first communication module is crossed to communicate to connect with the smart jack；The electricity generation module is used to generate electricity in the electric heater water flowing and charged to the power module, the electricity generation module It is additionally operable to stop generating electricity when the electric heater is cut off the water supply；The power module is used for the first communication module and the master Control chip power supply；The output voltage of output end of the voltage detecting circuit for detecting the electricity generation module is simultaneously defeated to the main control chip Go out testing result；The main control chip is used to control the first communication module to the smart jack according to the testing result Send control instruction；The smart jack is used to cut off or connect according to the control instruction external power source so that the electric heating Hydrophone powers off or is powered.
- 2. safety device as claimed in claim 1, it is characterised in that the electricity generation module includes generator and shaping circuit, The generator electrically connects with the input of the shaping circuit, the power module and the voltage detecting circuit with it is described The output end electrical connection of shaping circuit, the generator is used to generate electricity in the electric heater water flowing, and passes through the shaping Circuit charges to the power module.
- 3. safety device as claimed in claim 2, it is characterised in that the shaping circuit includes rectification circuit and filtering voltage regulation Circuit, the rectification circuit electrically connect with the filter regulator circuit, the generator, the filter regulator circuit with it is described Power module, the voltage detecting circuit electrically connect；The rectification circuit is used to the alternating current that the generator exports being converted to direct current；The filter regulator circuit is used for The direct current of rectification circuit output is filtered and voltage stabilizing is so as to described in power module output stabilization Direct current.
- 4. safety device as claimed in claim 3, it is characterised in that the power module includes charging circuit and farad electricity Hold, the farad capacitor electrically connects with the first communication module, the main control chip, the output of the filter regulator circuit End is electrically connected to charge to the farad capacitor by the charging circuit by the charging circuit and the farad capacitor, The farad capacitor is used to power to the first communication module and the main control chip in electric discharge.
- 5. safety device as claimed in claim 1, it is characterised in that when the voltage detecting circuit detects the generating mould When the output voltage of the output end of block is more than first threshold, the main control chip controls the first communication module to the intelligence Socket sends electrical instruction, and the smart jack connects the external power source so that the electric heater according to the electrical instruction It is powered；When the voltage detecting circuit detects that the output voltage of the output end of the electricity generation module is less than or equal to described first During threshold value, the main control chip controls the first communication module to send cut-offing instruction to the smart jack, and the intelligence is inserted Seat cuts off the external power source so that the electric heater powers off according to the cut-offing instruction.
- 6. safety device as claimed in claim 5, it is characterised in that the smart jack includes controller, electrical apparatus release, second Communication module, the electrical apparatus release and the second communication module electrically connect with the controller, the second communication module with The first communication module communication connection；When the second communication module receives the cut-offing instruction that the first communication module is sent, the controller control Make the electrical apparatus release and cut off the external power source；When the second communication module receives the institute of the first communication module transmission When stating electrical instruction, the controller controls the electrical apparatus release to connect the external power source.
- 7. safety device as claimed in claim 6, it is characterised in that the smart jack also includes pin and pin base, institute State pin to electrically connect with the external power source, the pin is electrically connected by the electrical apparatus release with the pin base, the electric heating Hydrophone is electrically connected by the pin base with the smart jack；The electrical apparatus release is used to control the pin and the pin base Separate so that electric heater power-off；The electrical apparatus release is additionally operable to control the pin to contact with the pin base so that described Electric heater is powered.
- 8. safety device as claimed in claim 7, it is characterised in that the smart jack also includes reduction voltage circuit, the drop Volt circuit is electrically connected between the pin and the controller, and the reduction voltage circuit is used to pass through the voltage of the external power source Powered after decompression to the controller.
- 9. safety device as claimed in claim 6, it is characterised in that the smart jack also includes electric-leakage detection circuit and report Alert module, the electric-leakage detection circuit and the alarm module electrically connect with the controller；The electric-leakage detection circuit is used to detect whether the smart jack leaks electricity, when the electric-leakage detection circuit detects When the smart jack leaks electricity, the controller controls the electrical apparatus release to cut off the external power source, and controls the report Alert module is alarmed.
- 10. a kind of electric heater, it is characterised in that the electric heater includes safety device, and the safety device includes body And smart jack, the body include electricity generation module, voltage detecting circuit, power module, first communication module, main control chip and Reminding module, the voltage detecting circuit and the power module electrically connect with the electricity generation module, the voltage detecting electricity Road, power module, first communication module and the reminding module electrically connect with the main control chip, and the body passes through described First communication module communicates to connect with the smart jack；The electricity generation module is used to generate electricity in the electric heater water flowing and charged to the power module, the electricity generation module It is additionally operable to stop generating electricity when the electric heater is cut off the water supply；The power module is used for the first communication module and the master Control chip power supply；The output voltage of output end of the voltage detecting circuit for detecting the electricity generation module is simultaneously defeated to the main control chip Go out testing result；The main control chip is used to control the first communication module to the smart jack according to the testing result Send control instruction；The smart jack is used to cut off or connect according to the control instruction external power source so that the electric heating Hydrophone powers off or is powered, and feeds back power-off to the first communication module and confirm instruction or be powered to confirm instruction；The master Control chip is additionally operable to not receive the power-off confirmation instruction in the first communication module or described be powered confirms instruction time control Make the reminding module and send prompt message to prompt user to break down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679779.3U CN206803514U (en) | 2017-06-12 | 2017-06-12 | Safety device and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679779.3U CN206803514U (en) | 2017-06-12 | 2017-06-12 | Safety device and electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803514U true CN206803514U (en) | 2017-12-26 |
Family
ID=60747003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720679779.3U Active CN206803514U (en) | 2017-06-12 | 2017-06-12 | Safety device and electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803514U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989519A (en) * | 2017-06-12 | 2017-07-28 | 广东万家乐燃气具有限公司 | Safety device and electric heater |
| CN111799788A (en) * | 2020-07-14 | 2020-10-20 | 三一重机有限公司 | Power-off control system, engineering machinery and power-off control method |
-
2017
- 2017-06-12 CN CN201720679779.3U patent/CN206803514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989519A (en) * | 2017-06-12 | 2017-07-28 | 广东万家乐燃气具有限公司 | Safety device and electric heater |
| CN111799788A (en) * | 2020-07-14 | 2020-10-20 | 三一重机有限公司 | Power-off control system, engineering machinery and power-off control method |
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