CN207784940U - Heating device for preventing dry heating - Google Patents
Heating device for preventing dry heating Download PDFInfo
- Publication number
- CN207784940U CN207784940U CN201720841247.5U CN201720841247U CN207784940U CN 207784940 U CN207784940 U CN 207784940U CN 201720841247 U CN201720841247 U CN 201720841247U CN 207784940 U CN207784940 U CN 207784940U
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- Prior art keywords
- water
- water tank
- level switch
- electrode liquid
- heater
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Abstract
The utility model is related to a kind of heating devices, disclose a kind of heating device for preventing dry heating, it includes heater (1), further include water tank (2) and the controller for controlling heater (1) heating, water tank (2) bottom is equipped with the outlet pipe (3) being connect with the water inlet of heater (1), the lower part of water tank (2) is equipped with lower electrode liquid-level switch (4), lower electrode liquid-level switch (4) is in the conduction state in water and sends signal to controller, and controller is heated according to the signal control heater (1) received.The utility model controls the interior water level height of water tank (2) by way of electrode (8) liquid-level switch break-make, and it controls whether heater (1) heats according to water tank (2) water level height, efficiently solves the problems, such as heater (1) dry combustion method.
Description
Technical field
The utility model is related to a kind of heating devices, more particularly to a kind of heating device for preventing dry heating.
Background technology
Currently, generally there are two types of forms for method used in the water level anti-dry protection of liquid heating in the market：
(1) close to switch, i.e., the switch that the floating ball and tongue tube of one carry magnet are formed is floated up and down by floating ball
Position come control the folding of tongue tube to control water level height.
(2) mechanical floating ball, the position floated up and down by floating ball is come the folding that control machinery switchs to control water level height
It is low.
In both the above anti-dry burning device, the magnet durability in first way in floating ball is easily influenced by temperature environment,
To cause the magnetic sensitivity declined thus influence tongue tube, and the reliability of liquid-level switch is influenced, to influence anti-dry
Protecting effect, floatings of mechanical floating ball is easily influenced by the cleanliness factor of liquid in the second way, and causes floating ball floating ineffective,
To influence the folding of mechanical switch, to influence the protecting effect of anti-dry.
Utility model content
The utility model is directed in existing heating device the above problem existing for anti-dry technology, provides a kind of anti-dry
Heating device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
Heating device for preventing dry heating, including heater further include water tank and the controller for controlling heater heating, storage
Water tank bottom is equipped with the outlet pipe being connect with the water inlet of heater, and the lower part of water tank is equipped with lower electrode liquid-level switch, lower electricity
Pole liquid-level switch is in the conduction state in water and sends signal to controller, and controller controls heating according to the signal received
Device heats, and then solves the problems, such as to prevent heater in the state of not having water and heats extremely.
Preferably, further including the water inlet pipe being connect with water tank, water inlet pipe is equipped with normally closed solenoid valve, lower electrode liquid level
When switch is off, controller controls normally closed solenoid valve and opens.Controller will be controlled normally closed into water power by the signal
Magnet valve is opened, and is supplied water in water tank, is prevented water shortage in water tank.
Preferably, further including the top electrode liquid-level switch of setting and water storage upper box part, top electrode liquid-level switch is in water
Signal is sent to controller when middle, controller controls normally closed solenoid valve according to the signal that the top electrode liquid-level switch received is sent
It closes, to stop, to supplying water in water tank, preventing water in water tank from overflowing.
Preferably, lower electrode liquid-level switch is identical with top electrode liquid level switch structure, including two, there are gaps
Electrode.
Preferably, lower electrode liquid-level switch and top electrode liquid-level switch are each attached on water tank side wall, outside electrode
Surface is equipped with annular stop plate, and electrode one end passes through water tank side wall and carries out axial limiting by annular stop plate, penetrates
End is fastened by fastening nut.This is simple in structure, easy for installation, and is not easy to be influenced by extraneous factor, and using effect is preferable.
Preferably, being equipped with gasket between annular stop plate and the lateral wall of water tank.The setting of gasket can have
Effect avoids the installation place leak of electrode liquid-level switch.
Preferably, outlet pipe is equipped with water pump, the water in water tank is preferably pumped into heater by water pump.
Preferably, being also associated with drainpipe on outlet pipe.It will can not for a long time have to become in water tank by drainpipe
The water of matter is discharged, and ensures water quality in water tank.
The utility model has significant technique effect as a result of above technical scheme：
The utility model controls water level height in water tank by way of electrode liquid-level switch break-make, and according to storage
Cistern water level just controls whether heater heats, and efficiently solves the problems, such as heater dry combustion method.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of electrode liquid-level switch in Fig. 1.
The toponym that each number designation is referred in attached drawing is as follows：1-heater, 2-water tanks, 3-outlet pipes,
4-lower electrode liquid-level switches, 5-water inlet pipes, 6-normally closed solenoid valves, 7-top electrode liquid-level switches, 8-electrodes, 9-annular limits
Position plate, 10-fastening nuts, 11-gaskets, 12-water pumps, 13-drainpipes.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Heating device for preventing dry heating, as shown in Figure 1 and Figure 2, including heater 1, further include water tank 2 and is heated for controlling
The controller that device 1 heats, 2 bottom of water tank are equipped with the outlet pipe 3 being connect with the water inlet of heater 1, and the lower part of water tank 2 is set
There is lower electrode liquid-level switch 4, lower electrode liquid-level switch 4 is in the conduction state in water and sends signal, controller to controller
It is heated according to the signal control heater 1 received, heater 1 is equipped with hot water mouth, and the water after heating is arranged by hot water outlet
Go out.
Further include the water inlet pipe 5 being connect with water tank 2 in the present embodiment, water inlet pipe 5 is equipped with normally closed solenoid valve 6, lower electricity
When pole liquid-level switch 4 is off, controller controls normally closed solenoid valve 6 and opens.Further include setting and 2 top of water tank
Top electrode liquid-level switch 7 sends signal when top electrode liquid-level switch 7 is in water to controller, and controller is according to receiving
The signal control normally closed solenoid valve 6 that top electrode liquid-level switch 7 is sent is closed.
Lower electrode liquid-level switch 4 is identical with 7 structure of top electrode liquid-level switch, and including two, there are the electrodes 8 in gap.Under
Electrode liquid-level switch 4 and top electrode liquid-level switch 7 are each attached on 2 side wall of water tank, and the outer surface of electrode 8 is equipped with annular and limits
Position plate 9,8 one end of electrode pass through 2 side wall of water tank and carry out axial limiting by annular stop plate 9, and penetrating end is by fastening spiral shell
Mother 10 fastens, and gasket 11 is equipped between annular stop plate 9 and the lateral wall of water tank 2.
Outlet pipe 3 is equipped with water pump 12, the water in water tank 2 is pumped into heater 1 by water pump 12, on outlet pipe 3
It is also associated with drainpipe 13, when the water in water tank is not required to heating for a long time, for the aqueous metamorphism for preventing in water tank 2, can be beaten
The drain valve to begin to rehearse on water pipe 13, to empty the water in water tank 2 and pipeline.
The operation principle of heating device for preventing dry heating is as follows in the present embodiment：
Water pump 12 draws water from water tank 2 supplies heater 1, when not having water or water level deficiency in water tank 2, lower electrode solution
Bit switch 4 will expose in air, since air is nonconducting, or less electrode solution bit switch 4 cannot be connected, this time control
Device control normally closed solenoid valve 6 processed is opened, and is supplied water in water tank 2.
When having water and the dipped lower electrode liquid-level switch 4 of water level in water tank 2, due to water conduction, lower electrode liquid level
Switch 4 is connected and sends signal to controller, and controller is heated according to the signal control heater 1 received at this time, is then solved
The problem of certainly preventing the 1 exception heating of heater in the state of not having water.
When water tank 2 supplies water top electrode liquid-level switch 7 dipped to water level, top electrode liquid-level switch 7 is connected and to control
Device sends signal, and controller will control normally closed entering water electromagnetic valve by the signal and close, to stop supplying water in water tank 2,
Prevent water in water tank 2 from overflowing.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (8)
1. heating device for preventing dry heating, including heater (1), it is characterised in that：It further include water tank (2) and for controlling heater
(1) controller heated, water tank (2) bottom are equipped with the outlet pipe (3) being connect with the water inlet of heater (1), water tank (2)
Lower part be equipped with lower electrode liquid-level switch (4), lower electrode liquid-level switch (4) it is in the conduction state in water and to controller send
Signal, controller are heated according to the signal control heater (1) received.
2. heating device for preventing dry heating according to claim 1, it is characterised in that：Further include connect with water tank (2) into
Water pipe (5), water inlet pipe (5) are equipped with normally closed solenoid valve (6), when lower electrode liquid-level switch (4) is off, controller control
Normally closed solenoid valve (6) processed is opened.
3. heating device for preventing dry heating according to claim 2, it is characterised in that：Further include setting and water tank (2) top
Top electrode liquid-level switch (7), send signal to controller when top electrode liquid-level switch (7) is in water, controller is according to connecing
The signal control normally closed solenoid valve (6) that the top electrode liquid-level switch (7) received is sent is closed.
4. heating device for preventing dry heating according to claim 3, it is characterised in that：Lower electrode liquid-level switch (4) and top electrode
Liquid-level switch (7) structure is identical, and including two, there are the electrode in gap (8).
5. heating device for preventing dry heating according to claim 4, it is characterised in that：Lower electrode liquid-level switch (4) and top electrode
Liquid-level switch (7) is each attached on water tank (2) side wall, and the outer surface of electrode (8) is equipped with annular stop plate (9), electrode (8)
One end passes through water tank (2) side wall and carries out axial limiting by annular stop plate (9), and penetrating end is tight by fastening nut (10)
Gu.
6. heating device for preventing dry heating according to claim 5, it is characterised in that：Annular stop plate (9) and water tank (2)
Gasket (11) is equipped between lateral wall.
7. heating device for preventing dry heating according to claim 1, it is characterised in that：Outlet pipe (3) is equipped with water pump (12).
8. heating device for preventing dry heating according to claim 1, it is characterised in that：Outlet pipe is also associated with drainpipe on (3)
(13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720841247.5U CN207784940U (en) | 2017-07-12 | 2017-07-12 | Heating device for preventing dry heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720841247.5U CN207784940U (en) | 2017-07-12 | 2017-07-12 | Heating device for preventing dry heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207784940U true CN207784940U (en) | 2018-08-31 |
Family
ID=63274466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720841247.5U Active CN207784940U (en) | 2017-07-12 | 2017-07-12 | Heating device for preventing dry heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207784940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199107A (en) * | 2018-09-21 | 2019-01-15 | 莱克电气股份有限公司 | A kind of water purifier |
-
2017
- 2017-07-12 CN CN201720841247.5U patent/CN207784940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199107A (en) * | 2018-09-21 | 2019-01-15 | 莱克电气股份有限公司 | A kind of water purifier |
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