CN207299555U - Electric heater and its security protection system - Google Patents
Electric heater and its security protection system Download PDFInfo
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- CN207299555U CN207299555U CN201721288135.8U CN201721288135U CN207299555U CN 207299555 U CN207299555 U CN 207299555U CN 201721288135 U CN201721288135 U CN 201721288135U CN 207299555 U CN207299555 U CN 207299555U
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Abstract
The utility model discloses a kind of electric heater and its security protection system, the security protection system includes：Leak electricity display module, and electric leakage display module includes electric leakage indicator light, and electric leakage display module sends display light when electric heater leaks electricity by the indicator light that leaks electricity；Light-receiving component, light-receiving component correspond to electric leakage display module and set, and light-receiving component generates electric leakage signal to receive display light when receiving display light；Controllable switch components；Main control unit, main control unit are connected with light-receiving component and controllable switch components respectively, and main control unit is when receiving electric leakage signal by controlling controllable switch components so that the heater of electric heater powers off.The system of the utility model, it is simple in structure, it is easier to realize, electric leakage prompting can not only be carried out, additionally it is possible to the heating circuit of electric heater is automatically cut off when electric heater leaks electricity, substantially increases the security of electric heater.
Description
Technical field
It the utility model is related to electric heater technical field, the security protection system and one of more particularly to a kind of electric heater
Kind electric heater.
Background technology
Current storage-type electric water heater, carries out electric leakage prompting by the way of indicator light is shown mostly, but during electric leakage
Electric heater is still normal access power supply, this naturally there are larger security risk.
Utility model content
The utility model is intended to solve one of technical problem in above-mentioned technology at least to a certain extent.For this reason, this reality
It is to propose a kind of security protection system of electric heater with a new purpose, electric leakage prompting can not only be carried out, moreover it is possible to
Enough heating circuits that electric heater is automatically cut off when electric heater leaks electricity, greatly improve the security of electric heater, and
And the security protection system is simple in structure, it is easier to realize.
Second purpose of the utility model is to propose a kind of electric heater.
To reach above-mentioned purpose, the utility model first aspect proposes a kind of security protection system of electric heater, should
System includes：Leak electricity display module, and the electric leakage display module includes electric leakage indicator light, and the electric leakage display module is in the electricity
Display light is sent by the electric leakage indicator light when water heater leaks electricity；Light-receiving component, the light-receiving component correspond to institute
State electric leakage display module to set, the light-receiving component is given birth to receive the display light when receiving the display light
Into electric leakage signal；Controllable switch components；Main control unit, the main control unit is respectively with the light-receiving component and described controllable opening
Close component to be connected, the main control unit is when receiving the electric leakage signal by controlling the controllable switch components so that described
The heater power-off of electric heater.
The security protection system of electric heater according to the present utility model, passes through the electric leakage indicator light in the display module that leaks electricity
Display light is sent when electric heater leaks electricity, and by light-receiving component according to the display photogenerated electric leakage signal, and
Controllable switch components are controlled according to the electric leakage signal by main control unit, so that the heater power-off of electric heater, thus, not only
It can carry out electric leakage prompting, additionally it is possible to the heating circuit of electric heater is automatically cut off when electric heater leaks electricity, is carried significantly
The high security of electric heater, and the security protection system is simple in structure, is easier to realize.
In addition, can also be had according to the security protection system of the utility model electric heater set forth above following additional
Technical characteristic：
Further, the electric leakage display module further includes the first signal lamp, first signal lamp and institute
Electric leakage indicator light series connection is stated, the light-receiving component corresponds to first signal lamp and sets, so as in the electric heater
The display light that first signal lamp is sent is received when leaking electricity.
Further, the electric leakage display module further includes the first current-limiting resistance, first current-limiting resistance and the leakage
It is connected to after electric indicator light series connection between electricity-insulation wall water pipe and ground, wherein, it is described anti-electric when the electric heater leaks electricity
Loop of electric leakage is formed between insulation wall water pipe and ground.
Further, the electric leakage display module further includes secondary signal indicator light, the second current-limiting resistance and the 3rd current limliting
Resistance, the secondary signal indicator light are connected with second current-limiting resistance, the electric leakage indicator light and the 3rd current limliting electricity
It is in parallel with the secondary signal indicator light connected and second current-limiting resistance after resistance series connection.
Wherein, the light-receiving component correspond to it is described electric leakage indicator light and the secondary signal indicator light set, so as to
The display light that the secondary signal indicator light and the electric leakage indicator light are sent is received when the electric heater leaks electricity at the same time.
Wherein, the light-receiving component is light-inductive device.
Alternatively, the controllable switch components include the heating relay that the corresponding heater is set, wherein, the master
Control unit controls the heating relay to disconnect when receiving the electric leakage signal.
Alternatively, the controllable switch components include power supply relay, and the power supply relay is arranged on the electric hot water
On the power panel of device, wherein, the main control unit control the power supply relay to disconnect when receiving the electric leakage signal with
Power off the power panel.
Wherein, the power supply relay is three pole relays, double-pole relay or monopole L relays.
To reach above-mentioned purpose, the utility model second aspect proposes a kind of electric heater, it is included according to this practicality
The security protection system of new electric heater set forth above.
Electric heater according to the present utility model, can not only carry out electric leakage prompting, additionally it is possible to automatic when leaking electricity
Heating circuit is cut off, security is higher.
Brief description of the drawings
Fig. 1 is the block diagram according to the security protection system of the electric heater of the utility model embodiment；
Fig. 2 is the structure diagram according to the security protection system of the electric heater of the utility model one embodiment；
Fig. 3 is the structural representation according to the security protection system of the electric heater of the utility model second aspect embodiment
Figure；
Fig. 4 is the structural representation according to the security protection system of the electric heater of the utility model third aspect embodiment
Figure；
Fig. 5 is the structural representation according to the security protection system of the electric heater of the utility model fourth aspect embodiment
Figure；
Fig. 6 is the structural representation according to the security protection system of the electric heater of the 5th aspect embodiment of the utility model
Figure；
Fig. 7 is the structural representation according to the security protection system of the electric heater of the 6th aspect embodiment of the utility model
Figure；
Fig. 8 is the structural representation according to the security protection system of the electric heater of the 7th aspect embodiment of the utility model
Figure；
Fig. 9 is the structural representation according to the security protection system of the electric heater of the utility model eighth aspect embodiment
Figure；
Figure 10 is the structural representation according to the security protection system of the electric heater of the 9th aspect embodiment of the utility model
Figure.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The electric heater of the utility model embodiment can be storage-type electric water heater, it may include water storage liner, such electricity
Water heater is to the more demanding of security protection.Prevent in consideration of it, the utility model embodiment proposes a kind of safety of electric heater
Protecting system and a kind of electric heater.
Fig. 1 is the block diagram according to the security protection system of the electric heater of the utility model embodiment.
As shown in Figure 1, the security protection system of the electric heater of the utility model embodiment, including：Leak electricity display module
10th, light-receiving component 20, controllable switch components 30 and main control unit 40.
Wherein, the display module 10 that leaks electricity includes electric leakage indicator light, and electric leakage display module 10 is when electric heater leaks electricity
Display light is sent by the indicator light that leaks electricity；Light-receiving component 20 correspond to electric leakage display module 10 set, light-receiving component 20 to
Receive and show light, and electric leakage signal is generated when receiving display light；Main control unit 40 respectively with light-receiving component 20 and controllable
Switch module 30 is connected, and main control unit 40 is when receiving electric leakage signal by controlling controllable switch components 30 so that electric heater
Heater power-off.
In one embodiment of the utility model, electric leakage display module 10 may be disposed between electricity-insulation wall water pipe and ground,
Such as it is arranged on the conducting wire between electricity-insulation wall water pipe and wall, so that when electric heater leaks electricity, electricity-insulation wall water pipe and ground
Between can form voltage difference, that is, form the loop of electric leakage for making electric leakage indicator light send display light.
In one embodiment of the utility model, light-receiving component can be optical inductor, such as photo resistance or photosensitive two
The light-sensitive elements such as pole pipe, it can make to return where it when receiving the signal of display light by the change of resistance value or conducting situation etc.
The electric current on road changes, you can to produce electric signal.
It should be noted that controllable switch components 30 may be provided at the optional position in electric water heater heating circuit, master control
Module 40, by being controlled to controllable switch components 30, can power off heater when receiving electric leakage signal.Specifically
Ground, in one embodiment of the utility model, controllable switch components 30 may include the heating relay that corresponding heater is set,
Wherein, main control unit controls heating relay to disconnect when receiving electric leakage signal.In one embodiment of the utility model,
Controllable switch components may include power supply relay, and power supply relay is arranged on the power panel of electric heater, wherein, main control unit
Power supply relay is controlled to disconnect so that power panel is powered off when receiving electric leakage signal.Wherein, power supply relay can be three poles after
Electric appliance, double-pole relay or monopole L relays.
In one embodiment of the utility model, as shown in Fig. 2, electric leakage display module 10 is except including the indicator light that leaks electricity
Outside L1, further include after the first current-limiting resistance R1, the first current-limiting resistance R1 connects with electric leakage indicator light L1 and be connected to electricity-insulation wall water pipe
Between ground, wherein, when electric heater leaks electricity, loop of electric leakage can be formed between electricity-insulation wall water pipe and ground, so as to for
The indicator light L1 that leaks electricity provides the required power supply that shines.When the indicator light L1 that leaks electricity sends display light, light-receiving component 20 is such as photosensitive
Inductor can be according to display photogenerated electric signal, and main control unit 40 is after the electric signal is received, the electricity on controllable power plate
The L (fire) of source relay, N (zero), E () three poles disconnect so that the heater power-off of electric heater.
In the other embodiment of the utility model, as shown in Figure 3 and Figure 4, main control unit 40 is receiving the electric signal
Afterwards, can also by controlling L, N the two poles of the earth of power supply relay to disconnect, or by controlling the L monopoles end of power supply relay to open so that
The heater power-off of electric heater.
According to the security protection system of the electric heater of the utility model embodiment, pass through the electric leakage in the display module that leaks electricity
Indicator light sends display light when electric heater leaks electricity, and is leaked electricity and believed according to the display photogenerated by light-receiving component
Number, and controllable switch components are controlled according to the electric leakage signal by main control unit, so that the heater power-off of electric heater, by
This, can not only carry out electric leakage prompting, additionally it is possible to the heating circuit of electric heater is automatically cut off when electric heater leaks electricity,
The security of electric heater is substantially increased, and the security protection system is simple in structure, is easier to realize.
In one embodiment of the utility model, as shown in figure 5, electric leakage display module may also include the first signal designation
Lamp L2, the first signal lamp L2 connect with electric leakage indicator light L1, light-receiving component 20, such as also corresponding first letter of light-inductive device
Number indicator light L2 is set, to receive the display light that the first signal lamp L2 is sent when electric heater leaks electricity.Leaking
Electric indicator light L1 and/or the first signal lamp L2 send display light when, light-inductive device can according to display photogenerated electric signal,
Main control unit 40 is after the electric signal is received, and tri- pole of L, N, E of the power supply relay on controllable power plate disconnects, so that electric
The heater power-off of water heater.
In the other embodiment of the utility model, as shown in Figure 6 and Figure 7, main control unit 40 is receiving the electric signal
Afterwards, can also by controlling L, N the two poles of the earth of power supply relay to disconnect, or by controlling the L monopoles end of power supply relay to open so that
The heater power-off of electric heater.
Thus, it is in series by increase in the loop of electric leakage that is formed between electricity-insulation wall water pipe and ground and the indicator light L1 that leaks electricity
The first signal lamp L2, can prevent because electric leakage indicator light L1 is caused by the interference of external light source light-inductive device to be judged by accident
Situation, improve the reliability of security protection.
In one embodiment of the utility model, as shown in figure 8, electric leakage display module may also include secondary signal instruction
Lamp L3, the second current-limiting resistance R2 and the 3rd current-limiting resistance R3, secondary signal indicator light L3 connect with the second current-limiting resistance R2, electric leakage
Indicator light L1 is in parallel with the secondary signal indicator light L3 to connect and the second current-limiting resistance R2 after connecting with the 3rd current-limiting resistance R3.Light
Receiving unit 20, light-inductive device corresponds to the electric leakage indicator light L1 and secondary signal indicator light L3 settings, so as to
Receive that the secondary signal indicator light L3 and electric leakage indicator light L1 sends when the electric heater leaks electricity at the same time is aobvious
Show light.When the indicator light L1 and/or secondary signal indicator light L3 that leaks electricity sends display light, light-inductive device can be according to display photoproduction
Into electric signal, for main control unit 40 after the electric signal is received, L, N, E tri- of the power supply relay on controllable power plate is extremely disconnected
Open, so that the heater power-off of electric heater.
In the other embodiment of the utility model, as shown in Figure 9 and Figure 10, main control unit 40 is receiving the electric signal
Afterwards, can also by controlling L, N the two poles of the earth of power supply relay to disconnect, or by controlling the L monopoles end of power supply relay to open so that
The heater power-off of electric heater.
Thus, increase in the loop of electric leakage that is formed between electricity-insulation wall water pipe and ground and branch where electric leakage indicator light L1 are passed through
The secondary signal indicator light L3 branches that road is in parallel, can prevent from causing to leak because of indicator light L1 failures of leaking electricity, such as open circuit
Light-inductive device can not generate the situation of electric leakage signal when electric, further increase the reliability of security protection.
Corresponding above-described embodiment, the utility model also propose a kind of electric heater.
The electric heater of the utility model embodiment, includes the peace of the electric heater of the utility model above-described embodiment proposition
Full protection system, its specific embodiment can refer to above-described embodiment, and to avoid redundancy, details are not described herein.
According to the electric heater of the utility model embodiment, electric leakage prompting can not only be carried out, additionally it is possible to leaking electricity
When automatically cut off heating circuit, security is higher.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
Combine in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this area
Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
- A kind of 1. security protection system of electric heater, it is characterised in that including：Leak electricity display module, and the electric leakage display module includes electric leakage indicator light, and the electric leakage display module is in the electric hot water Display light is sent by the electric leakage indicator light when device leaks electricity；Light-receiving component, the light-receiving component correspond to the electric leakage display module and set, and the light-receiving component is receiving The display light, and generate electric leakage signal when receiving the display light；Controllable switch components；Main control unit, the main control unit are connected with the light-receiving component and the controllable switch components respectively, the master control Unit is when receiving the electric leakage signal by controlling the controllable switch components so that the heater of the electric heater breaks Electricity.
- 2. the security protection system of electric heater according to claim 1, it is characterised in that the electric leakage display module is also Including the first signal lamp, first signal lamp is connected with the electric leakage indicator light, and the light-receiving component corresponds to First signal lamp is set, and is sent to receive first signal lamp when the electric heater leaks electricity Display light.
- 3. the security protection system of electric heater according to claim 1 or 2, it is characterised in that the electric leakage display group Part further includes the first current-limiting resistance, first current-limiting resistance be connected to after connect with the electric leakage indicator light electricity-insulation wall water pipe and Between ground, wherein, when the electric heater leaks electricity, loop of electric leakage is formed between the electricity-insulation wall water pipe and ground.
- 4. the security protection system of electric heater according to claim 1, it is characterised in that the electric leakage display module is also Including secondary signal indicator light, the second current-limiting resistance and the 3rd current-limiting resistance, the secondary signal indicator light and the described second limit Leakage resistance is connected, the electric leakage indicator light connect with the 3rd current-limiting resistance after with the secondary signal indicator light connected and Second current-limiting resistance is in parallel.
- 5. the security protection system of electric heater according to claim 4, it is characterised in that the light-receiving component corresponds to The electric leakage indicator light and the secondary signal indicator light are set, to receive institute at the same time when the electric heater leaks electricity State the display light that secondary signal indicator light and the electric leakage indicator light are sent.
- 6. the security protection system of electric heater according to claim 1, it is characterised in that the light-receiving component is light Quick inductor.
- 7. the security protection system of electric heater according to claim 1, it is characterised in that the controllable switch components bag The heating relay that the corresponding heater is set is included, wherein, the main control unit is controlled when receiving the electric leakage signal The heating relay disconnects.
- 8. the security protection system of electric heater according to claim 1, it is characterised in that the controllable switch components bag Power supply relay is included, the power supply relay is arranged on the power panel of the electric heater, wherein, the main control unit is connecing The power supply relay is controlled to disconnect when receiving the electric leakage signal so that the power panel powers off.
- 9. the security protection system of electric heater according to claim 8, it is characterised in that the power supply relay is three Pole relay, double-pole relay or monopole L relays.
- 10. a kind of electric heater, it is characterised in that include the peace of the electric heater according to any one of claim 1-9 Full protection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288135.8U CN207299555U (en) | 2017-09-30 | 2017-09-30 | Electric heater and its security protection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288135.8U CN207299555U (en) | 2017-09-30 | 2017-09-30 | Electric heater and its security protection system |
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| Publication Number | Publication Date |
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| CN207299555U true CN207299555U (en) | 2018-05-01 |
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| CN201721288135.8U Active CN207299555U (en) | 2017-09-30 | 2017-09-30 | Electric heater and its security protection system |
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| CN (1) | CN207299555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595821A (en) * | 2017-09-30 | 2019-04-09 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its security protection system |
-
2017
- 2017-09-30 CN CN201721288135.8U patent/CN207299555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595821A (en) * | 2017-09-30 | 2019-04-09 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its security protection system |
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Effective date of registration: 20220810 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |