CN205783828U - A kind of insulation water feed apparatus of combinative structure - Google Patents
A kind of insulation water feed apparatus of combinative structure Download PDFInfo
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- CN205783828U CN205783828U CN201620602521.9U CN201620602521U CN205783828U CN 205783828 U CN205783828 U CN 205783828U CN 201620602521 U CN201620602521 U CN 201620602521U CN 205783828 U CN205783828 U CN 205783828U
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- water
- inner tube
- knockout drum
- drain water
- drain
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Abstract
The utility model discloses the insulation water feed apparatus of a kind of combinative structure, all structures of this device all insulate, including entering water adapter, inner tube, drain water knockout drum and middle baffle plate；Water inlet adapter is connected with inner tube threaded one end, the inner tube other end uses screw to be connected with drain water knockout drum top and outer wall is provided with through hole, middle baffle plate is positioned at drain water knockout drum and overlaps on inner pipe, being provided with many group annular muscle sheets inside described drain water knockout drum, described annular muscle sheet is α≤90 ° with the angle of drain water knockout drum sidewall；Length L and inner tube aperture d after described water inlet adapter and inner tube combination meet water resistance principle and make water inlet leakage current less than 2.5mA, it is ensured that the life security of user.This utility model simple in construction can be dismantled, and can be changed the direction of a stream of water by self structure and water velocity, makes the current flowing of entrance inner bag be laminar state, and improves the stability of water temperature and the thermal output of water heater in inner bag.
Description
Technical field
This utility model relates to the insulation water feed apparatus of the water feed apparatus of displacement type water heater, especially combinative structure.
Background technology
At present, the water feed apparatus of displacement type water heater (the most horizontal extension installing type electric heater) has three kinds of common structures:
1. U-shaped path formula water feed apparatus；2. water route leads directly to the board-like water feed apparatus of dash；3. cylindrical circumference many side-hole-type water inlet dress
Put.Owing to the structure in 1. is complicated, pipeline is oversize, and life-time service easily causes water line block, brings dredging and cleans not
Necessary trouble；2. the structure in needs to weld a water fender on inner-tube structure, and this is higher to welding process requirement, easily produces
Raw weld defect, thus cause inner bag to leak；Middle simple in construction, but go out water speed quickly when water feed apparatus water outlet, hold
Easily causing turbulent flow, the cold water made into and the hot water in inner bag carry out unordered mixing, thus cause output hot water water temperature unstable
Fixed (sometimes hot and sometimes cold) so that the hot water delivery rate of water heater will be substantially reduced.In order to solve the defect of above-mentioned three kinds of structures, now carry
Go out the insulation water feed apparatus of a kind of combinative structure.
It addition, the most horizontal electric water heater installed of hanging all uses 220v 50Hz Alternating Current Power Supply；But
When ground wire electrification (generally have two kinds of reasons: one is that wiring is lack of standardization, that earth polar connects and non-real ground wire, extremely mistake
Phase line is received on earth polar；Another kind is most commonly that plugs and sockets loose contact, can produce in the case of big electric current is long-time
And plugs and sockets burns and causes between phase ground short circuit by high temperature rise.), electric power system is without ground wire (water heater self produce electric leakage)
Or in the case of earth leakage protective device damages, when user is currently in use hot water, just have the big electric current (heat of the most high-power heating
Hydrophone) through human body, there is the accident of causing death.
In order to solve this problem, existing needs proposes one insulation water feed apparatus, it is possible to utilize water resistance to limit leakage electricity
The size (" charged water resistance method ") of stream, so that the electric current leaked out in water inlet front end is less than 2.5mA, it is ensured that user
Life safety.
Utility model content
In order to solve the deficiencies in the prior art, the utility model proposes the insulation water feed apparatus of a kind of combinative structure, should
Apparatus structure is simple, and just can be changed the direction of a stream of water by self structure and water velocity without welding water fender on inner bag,
The current flowing making entrance inner bag is laminar state, improves the stability of water temperature and the hot water output work of water heater in inner bag
Rate, and utilize water resistance principle to make the Leakage Current of water in-out port less than 2.5mA, it is ensured that the life security of user.
To achieve the above object, the technical solution adopted in the utility model is:
The insulation water feed apparatus of a kind of combinative structure, all structures of this device all insulate, including entering water adapter, inner tube, drawing
Flow point hydrophone and middle baffle plate；Threadeding with inner tube bottom in water inlet adapter water side, described drain water knockout drum is tied in " cover " shape
Structure, inner tube top is connected with drain water knockout drum top side detachable；
Many group annular muscle sheets from top to bottom it are provided with, in described annular muscle sheet side and drain water knockout drum inside drain water knockout drum
Wall is fixed, and opposite side is inclined upwardly, and angle [alpha]≤90 ° of annular muscle sheet and drain water knockout drum sidewall, and described middle baffle plate is positioned at
Drain water knockout drum is interior and overlaps on inner pipe, and said inner tube top sidewall is provided with through hole；Annular muscle sheet coordinates with middle baffle plate can be right
Fluid plays choked flow effect, effectively reduces water velocity, stabilizes the water temperature in device；
Described water inlet adapter combine with inner tube after length L and inner tube aperture d should meet the requirement of equation below:
According to actually used situation and with reference to the requirement in GB4706.12-2006 appendix A A, in order to ensure user
Life security, the Leakage Current of intake-outlet requires less than 5mA.In this programme, water heater is the exchange at 220V 50HZ
It is operated in the case of electricity, when electric current short circuit acts on water heater, the electric current revealed by entery and delivery port must be limited little
In 2.5mA, resistivity of water is ρ=1250 ± 50 Ω cm the most from the beginning, and the resistance of tap water is RWater≥220V/2.5mA≥88
×103Ω, the water inlet adapter in figure and a length of L, a diameter of d of inner tube after inner tube combination, then:
So, as long as in discharging deviceEnsure that with water resistance limiting leakage electric current
Size, it can be ensured that the life security of user；
Further, described through hole has multiple, can be square or circular, and the fluid in inner tube enters drain water knockout drum from through hole
In.
Further, said inner tube is connected by screw with drain water knockout drum, and drain water knockout drum top is provided with cylindrical hole, described
Screw is inserted in inner tube by drain water knockout drum cylindrical hole；Drain water knockout drum is movably connected by screw with inner tube, it is simple to
It is carried out after dismounting and changes.
Further, described middle baffle plate is between any two annular muscle sheet, and middle baffle plate subtracts together with annular muscle sheet
Slow water velocity, makes current be laminar state.
Further, described water inlet adapter and inner tube are the macromolecular material injection mo(u)lding that insulating properties is good, intensity is high.
Further, described drain water knockout drum and middle baffle plate are the elastomeric material pressure that insulating properties is good, high temperature resistant, soft
Make type.
This utility model uses the program to provide the benefit that:
(1) this utility model provides a kind of simple in construction, just can change current flowing without carrying out welding on inner bag
The drain water knockout drum of direction and water velocity, it is to avoid blocking that structure complexity causes and the inner bag that weld defect causes leak；
(2) middle baffle plate of annular muscle sheet within the drain water knockout drum in this utility model and outer wall of inner tube is to intaking
To the effect of choked flow, that can effectively stablize water feed apparatus goes out water speed so that current flowing is laminar state, decreases turbulent flow existing
The generation of elephant and the instability of inner bag hot water water temperature, improve the hot water delivery rate of water heater；
(3) this utility model utilizes water resistance principle limiting leakage size of current so that water inlet adapter is combined with inner tube
After length L and inner tube aperture d meetSo that the Leakage Current in water in-out port is less than 2.5mA,
Meet safety in GB4706.12-2006 (particular/special requirement of the safe storage-type electric water heater of domestic and similar applications electrical equipment) to use
The requirement of electricity, thus ensure that the life security of user；
(4) all parts in this utility model are all combined by flexible connection, can periodically dismantle, facilitate
Water inlet device of water heater is carried out and overhauls replacing.
Accompanying drawing explanation
Fig. 1 is water feed apparatus complete structure figure of the present utility model:
Fig. 2 is the structural representation of water inlet adapter of the present utility model；
Fig. 3 is the structural representation of inner tube of the present utility model；
Fig. 4 is the structural representation of drain water knockout drum of the present utility model；
Fig. 5 is the structural representation of middle baffle plate of the present utility model.
In figure: 1: water inlet adapter；2: inner tube；3: drain water knockout drum；4: middle baffle plate；5: screw；6: water inlet adapter water inlet
End；7: water inlet adapter water side；8: annular muscle sheet；9: through hole；10: cylindrical hole.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with the accompanying drawings
Type is further elaborated.
In the present embodiment, refering to Fig. 1-5, the insulation water feed apparatus of a kind of combinative structure, all structures of this device are the most exhausted
Edge, including entering water adapter 1, inner tube 2, drain water knockout drum 3 and middle baffle plate 4；Water inlet adapter water side 7 and inner tube 2 bottom screw thread
Connect, described drain water knockout drum 3 is in " cover " shape structure, and its upper part is tapered, and lower part is cylinder, inner tube 2 top with draw
Flow point hydrophone 3 top side detachable connects；
Described drain water knockout drum 3 is internal is from top to bottom provided with many group annular muscle sheets 8, described annular muscle sheet 8 side and drain
Water knockout drum 3 inwall is fixed, and opposite side is inclined upwardly, and angle [alpha]≤90 ° between annular muscle sheet 8 and drain water knockout drum 3 sidewall；
Described middle baffle plate 4 is positioned at drain water knockout drum 3 and is enclosed within inner tube 2 middle part, annular muscle sheet 8 and middle baffle plate
4 coordinate and can play choked flow effect by convection cell, and the flowing to drain water knockout drum 3 internal flow plays choked flow cushioning effect；Said inner tube top
Side wall is provided with through hole 9, and the water in inner tube 2 is gone out entrance drain water knockout drum 3 from described through hole 9；
Length L after described water inlet adapter 1 and inner tube 2 combination and inner tube aperture d should meet the requirement of equation below:
According to actually used situation and with reference to the requirement in GB4706.12-2006 appendix A A, in order to ensure user
Life security, the Leakage Current of intake-outlet requires less than 5mA.In the present embodiment, water heater is the friendship at 220V 50HZ
It is operated in the case of stream electricity, when electric current short circuit acts on water heater, the electric current revealed by entery and delivery port must be limited
Being respectively less than 2.5mA, resistivity of water is ρ=1250 ± 50 Ω cm the most from the beginning, and the resistance of tap water is RWater≥220V/2.5mA
≥88×103Ω, the water inlet adapter 1 in figure and a length of L, a diameter of d of inner tube 2 after inner tube 2 combination, then:
So, as long as in discharging deviceEnsure that with water resistance limiting leakage electric current
Size, it can be ensured that the life security of user.
As a kind of prioritization scheme of the present utility model, described through hole 9 has multiple, can be square or circular, in inner tube
Fluid enters drain water knockout drum 3 from through hole 9.
As a kind of prioritization scheme of the present utility model, said inner tube 2 is connected by screw 5 with drain water knockout drum 3, drain
Water knockout drum 3 top is provided with cylindrical hole 10, and described screw 5 is inserted in inner tube 2 by the cylindrical hole 10 of drain water knockout drum 3；Screw 5 will
Drain water knockout drum 3 is movably connected with inner tube 2, it is simple to is carried out after dismounting and changes.
As a kind of prioritization scheme of the present utility model, described middle baffle plate 4 between any two annular muscle sheet 8,
Middle baffle plate 4 slows down water velocity together with annular muscle sheet 8, makes current be laminar state.
As a kind of prioritization scheme of the present utility model, described water inlet adapter 1 and inner tube 2 be insulating properties well, intensity
High macromolecular material injection mo(u)lding, preferred material is disconnected glass fiber enhanced nylon.
As a kind of prioritization scheme of the present utility model, it is good that described drain water knockout drum 3 and middle baffle plate 4 are insulating properties
Good, high temperature resistant, soft elastomeric material is compressing, and preferred material is silicone rubber.
Water inlet adapter 1 in this utility model device and inner tube 2 is good by insulating properties, intensity is high disconnected fiberglass reinforced
Good by insulating properties, high temperature resistant, the soft silicone rubber of nylon injection-molding molding, drain water knockout drum 3 and middle baffle plate 4 is pressed into
Type, screw 5 is the screw with antiseptic property.Water inlet adapter 1 is attached by the screw thread self being provided with inner tube 2, and
In figure, size L and d meet formulaRequirement, inner tube 2 is carried out even by screw 5 with drain water knockout drum 3
Connecing, middle baffle plate 4 is in drain water knockout drum 3 between arbitrary two annular muscle sheets 8 and be enclosed within inner tube 2.This utility model
When specifically used, being connected by all parts, cold water enters this water feed apparatus, from lower to upper from water inlet adapter water inlet end 6
4 through holes 9 being provided with by inner tube 2 top sidewall that flow are flowed out, and then divide water with drain outside water inlet adapter 1 and inner tube 2
The fluid passage formed inside device 3 flows downward, it is achieved that the change of water flow direction, and meanwhile, drain water knockout drum 3 is internal
Annular muscle sheet 8 and middle baffle plate 4 formed back-shaped passage make water be Laminar Flow, add water flowing resistance and road
Footpath, reduces the speed of fluid flowing.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. the insulation water feed apparatus of a combinative structure, it is characterised in that: all structures of this device all insulate, including entering water adapter
(1), inner tube (2), drain water knockout drum (3) and middle baffle plate (4)；
Water inlet adapter water side (7) is threadeded with inner tube (2) bottom, and described drain water knockout drum (3) is in " cover " shape structure, inner tube
(2) top is connected with drain water knockout drum (3) top side detachable；
Drain water knockout drum (3) is internal is from top to bottom provided with many groups annular muscle sheet (8), and described annular muscle sheet (8) side is divided with drain
Hydrophone (3) inwall is fixed, and opposite side is inclined upwardly, and annular muscle sheet (8) and the angle of drain water knockout drum (3) sidewall be α≤
90°；
Described middle baffle plate (4) is positioned at drain water knockout drum (3) and is enclosed within inner tube (2), and said inner tube (2) top sidewall is provided with
Through hole (9)；
Described water inlet adapter (1) and inner tube (2) combine after length L and inner tube aperture d should meet the requirement of equation below:
The insulation water feed apparatus of a kind of combinative structure the most according to claim 1, it is characterised in that: described through hole (9) has
Multiple, can be square or circular.
The insulation water feed apparatus of a kind of combinative structure the most according to claim 2, it is characterised in that: said inner tube (2) with
Drain water knockout drum (3) is connected by screw (5), and drain water knockout drum (3) top is provided with cylindrical hole (10), and described screw (5) is by drawing
The cylindrical hole (10) of flow point hydrophone (3) is inserted in inner tube (2).
The insulation water feed apparatus of a kind of combinative structure the most according to claim 3, it is characterised in that: described middle baffle plate
(4) it is positioned between any two annular muscle sheet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620602521.9U CN205783828U (en) | 2016-06-17 | 2016-06-17 | A kind of insulation water feed apparatus of combinative structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620602521.9U CN205783828U (en) | 2016-06-17 | 2016-06-17 | A kind of insulation water feed apparatus of combinative structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205783828U true CN205783828U (en) | 2016-12-07 |
Family
ID=58132658
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620602521.9U Active CN205783828U (en) | 2016-06-17 | 2016-06-17 | A kind of insulation water feed apparatus of combinative structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205783828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953431A (en) * | 2016-06-17 | 2016-09-21 | 成都前锋电子有限责任公司 | Insulated water inlet device with combined structure |
-
2016
- 2016-06-17 CN CN201620602521.9U patent/CN205783828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953431A (en) * | 2016-06-17 | 2016-09-21 | 成都前锋电子有限责任公司 | Insulated water inlet device with combined structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |