CN105910283B - A kind of electric heating unit and the thermal storage electric boiler with the unit - Google Patents
A kind of electric heating unit and the thermal storage electric boiler with the unit Download PDFInfo
- Publication number
- CN105910283B CN105910283B CN201610491399.7A CN201610491399A CN105910283B CN 105910283 B CN105910283 B CN 105910283B CN 201610491399 A CN201610491399 A CN 201610491399A CN 105910283 B CN105910283 B CN 105910283B
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- China
- Prior art keywords
- electric heating
- heating tube
- snap ring
- mounting hole
- heating unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0233—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
Abstract
The invention discloses a kind of electric heating unit and with the thermal storage electric boiler of the unit, its key points of the technical solution are that a kind of electric heating unit, the electric heating tube fixed plate being oppositely arranged including two and several electric heating tubes being installed between two electric heating tube fixed plates, several mounting holes are equipped in the electric heating tube fixed plate, limit assembly is installed in the mounting hole, the limit assembly is accommodated in mounting hole and has the cavity slid for limit assembly in mounting hole, it is contradicted between limit assembly and mounting hole simultaneously and is connected with elastic component, the electric heating tube is removably connected in limit assembly.A kind of electric heating unit of the invention and the thermal storage electric boiler with the unit are easy to remove and repair, and structure simple operations are convenient.
Description
Technical field
The present invention relates to a kind of thermal storage electric boilers, more specifically, it relates to which one kind can disassemble and install electric heating machine
The thermal storage electric boiler of group.
Background technique
Currently, usually used heating system or the heat source for supplying hot water supply system are coal-fired, fuel oil or gas fired-boiler,
But the pollutant discharged is more, is easy to pollute ambient enviroment, in recent years in order to avoid the pollution to air, occurs
Thermal storage electric boiler, and thermal storage electric boiler can in night low price low valley point period by circulating pump by the water in hot water storage tank
Circulating-heating is stored in hot water storage tank with form of thermal energy and is used for peak potential period on daytime to 95 DEG C, keeps away peak completely to reach
Or peak period electricity consumption is reduced, greatly reduce the purpose of operating cost.
Such as the Chinese patent of Patent No. " CN100541043C " in the prior art, which describe a kind of full-automatic thermal storage electricity
Boiler, it includes electric heater unit, accumulation of heat water installations, the circulatory system, automatic electromagnetic valve and automatic control system, the storage
Hot type device has quick hot water storage tank, waste heat hot water storage tank and hot water storage tank to constitute, and described heating device is by three electric heating
Pipe is constituted, and the electric heating tube surface is coated with nano electroheating coating, is equipped with charging accumulation of heat battery, the program in the boiler bottom
With night low price low ebb electric heat storage can be made full use of, thus not only will not generation environment pollution, and operation can also be reduced
Expense.
But thermal storage electric boiler in the market is directed to internal electric heating unit, usually all using electric heating tube, and
The namely electric heating unit of thermal storage electric boiler service life is usually determined, because electric heating unit is thermal storage electric boiler work
Core component needs to generate a large amount of heat, and the average life of electric heating unit is caused compared to other component to be most short
, it is therefore desirable to the new scheme of one kind is proposed to extend the service life of electric heating unit, to extend making for thermal storage electric boiler
Use the service life.
Certainly, also there are the scheme for the service life for improving electric heating unit, such as Patent No. in the prior art
The Chinese patent of " CN2826886Y ", which describe a kind of removable ptc heater, by setting cross section it is U-shaped first
Shell and second housing be opposite to be fastened and corresponding two side arms are fixed by fastening screw respectively, middle part formed one with
PTC heats the adaptable cavity of plate shape, and PTC heating sheet is arranged in cavity and is connected by conductive sheet with connecting terminal, PTC
It is provided with insulating paper between heating sheet and the first shell and second housing, is respectively equipped with radiating fin on the first shell and second housing
Piece, setting has the function that be convenient for changing heating sheet in this way, but the program is still needed in replacement by the first shell
It is disassembled with second housing and just can be carried out replacement and installation, it is very troublesome.
Summary of the invention
It, will be in unit in view of the deficiencies of the prior art, the present invention intends to provide a kind of electric heating unit
Each electric heating tube is disposed as independent and detachable installation, so that being convenient for changing for electric heating tube is realized, to extend whole
The service life of a electric heating unit.
To achieve the above object, the present invention provides the following technical scheme that a kind of electric heating unit, including two are oppositely arranged
Electric heating tube fixed plate and several electric heating tubes for being installed between two electric heating tube fixed plates, the electric heating tube fix
Be equipped with several mounting holes on plate, limit assembly be installed in the mounting hole, the limit assembly be accommodated in mounting hole and
There is the cavity slid for limit assembly in mounting hole, while being contradicted between limit assembly and mounting hole and being connected with elastic component, institute
Electric heating tube is stated to be removably connected in limit assembly.
By using above-mentioned technical proposal, several mounting holes are opened up in two electric heating tube fixed plates, are pacified in mounting hole
Limit assembly is filled, and limit assembly is mounted in limit hole by elastic component conflict, electric heating tube is removably connected to
In limit assembly, in this way when needing to dismantle or installing electric heating tube, electric heating tube is extracted out or put in out of limit assembly, but
It is because two electric heating tube fixed plates are to be oppositely arranged and formed fixation, the distance between two electric heating tube fixed plates are
It needs to need than the length of electric heating tube shorter, therefore limit assembly is contradicted in limit hole by spring with one section short
The stroke of distance moved up and down, in this way when electric heating tube needs to dismantle, the limit assembly for first compressing one end keeps the other end de-
From mounting hole, then electric heating tube is taken out in lateral tilt, so that the disassembly of electric heating tube is realized, it is very convenient, and install
Shi Ze, which is adopted, to be achieved the purpose that facilitate installation in a like fashion.
Further, the limit assembly includes snap ring, and the mounting hole is equipped with retention bead, and the snap ring passes through limit
Position protrusion is restricted in mounting hole, and the electric heating tube is connected in snap ring.
By using above-mentioned technical proposal, retention bead is set on mounting hole, the snap ring in limit assembly is connected to peace
It fills in hole and is limited protrusion and be limited in mounting hole, because the elastic conflict of flexible part acts on, card can be prevented in this way
Ring is detached from mounting hole, has the function that limit.
Further, the retention bead is annularly arranged and is located at the upper end of mounting hole, the snap ring and limit convex
It rises and matches.
By using above-mentioned technical proposal, by retention bead setting circlewise and positioned at the upper end of mounting hole, snap ring
It is contradicted in mounting hole with retention bead cooperation by elastic component, the conflict power of such snap ring being subject to is relatively uniform, it is not easy to send out
Energy is arranged simultaneously as snap ring needs to be connected electric heating tube fixed plate and electric heating tube in the case where raw inclination is got stuck in this way
Enough guarantee that snap ring is effectively connected with electric heating tube fixed plate and electric heating tube, the convenient heat effect to electric heating tube.
Further, the snap ring is threadedly coupled with electric heating tube.
By using above-mentioned technical proposal, the connective stability of electric heating tube and snap ring, electricity is added in order to further increase
Heat pipe is threadedly coupled with snap ring, so that being output in electric heating tube of electrical power stabilization can be made in electrified regulation by realizing.
Further, scalable fixed structure is provided between the snap ring and electric heating tube and by scalable fixed knot
It is configured to fix.
By using above-mentioned technical proposal, it is to reach that telescopic structure fixation is arranged between snap ring and electric heating tube
To quantity of heat given up that can be stable when electric heating unit is in normal use, the stability of connection is improved to reduce the hair of failure
Raw probability.
Further, the retractable structure includes jumping bean spring, and the jumping bean spring is installed on the inner wall of snap ring, institute
It states to open up on the side wall of electric heating tube and fluted be matched with jumping bean spring.
By using above-mentioned technical proposal, jumping bean spring is set by retractable structure, and jumping bean spring is placed in card
On the inner wall of ring, groove is set on the side wall of electric heating tube and is protruded into for jumping bean spring, in this way when electric heating tube is protruded into snap ring
When interior, jumping bean spring, which is under pressure, to be retracted in snap ring, is contradicted in groove until extending into groove jumping bean spring and stretching out, in this way
It is achieved that the fixation of electric heating tube, patches so very convenient.
Further, the every electric heating tube is respectively connected with independent detection device, and detection device is installed on electric heating
The outside of pipe fixed plate.
By using above-mentioned technical proposal, each electric heating tube is connected into independent detection device and is used to detect electric heating
Whether pipe is in normal operating conditions, is arranged on the outside of electric heating tube fixed plate for facilitating observation, to know whether electricity
Heating tube damage.
Further, the detection device includes the neon light tube being electrically connected with electric heating tube.
By using above-mentioned technical proposal, it will test device and be set as neon light tube, neon light tube is connect with electric heating tube,
When electric heating tube work, whether neon light tube occurs to be in the observation electric heating tube that the light that color indicates can be apparent
Normal operating conditions, when not working such as neon light tube, then the electric heating tube connecting with the neon light tube breaks down, then is removed
The electric heating tube more renewed.
Present invention simultaneously provides a kind of thermal storage electric boilers with above-mentioned electric heating unit.
By using above-mentioned technical proposal, it regard above-mentioned electric heating units' installation as heating part in thermal storage electric boiler
Part, such thermal storage electric boiler break down when electric heating unit in use, then carry out replacing individual electric heating tube, can
To guarantee continuing working for thermal storage electric boiler, it ensure that the service life of thermal storage electric boiler is continued.
Further, which is removably connected to rack.
By using above-mentioned technical proposal, which is removably attachable in rack, also for side
Just replacing or install electric heating tube can pass through when the location of electric heating unit is not easy to directly replace electric heating tube
Then disassembly to electric heating unit carries out replacing individual electric heating tube again, increase convenience, while easy access.
The present invention has an advantage that compared with prior art
One, by the way that electric heating tube is arranged to removably, while electric heating unit be also provided with into it is demountable, this
Sample can facilitate in the electric heating tube in the thermal storage electric boiler that needs repairing and disassemble electric heating unit then to electric heating
Electric heating tube on unit repairs, easy to operate, facilitates maintenance, ensure that the service life of entire thermal storage electric boiler；
Secondly, by what every electric heating tube was arranged that detection device is used to facilitate every electric heating tube of observation use shape
State can overhaul in time when detection device shows that electric heating tube breaks down, and guarantee electric heating unit and thermal storage electric boiler
Effective use；
Thirdly, by the way that when every electric heating tube is mounted on limiting device, limiting device can have certain elasticity
The stroke moved up and down avoids the need for electric heating tube fixed plate is whole to reach the easy to disassemble and install of electric heating tube
It is a to disassemble the problem of just can be carried out installation, so that the installation and removal of electric heating tube can be realized by simple structure；
Four, it by increasing connection structure when electric heating tube is mounted in limiting device, is connected through a screw thread or jumps
The mode of beans spring makes electric heating tube is more firm to be connected in limiting device, to guarantee electric heating unit and hot stored electric
The stability of boiler in use reduces poor contact or the probability of happening of other failures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric heating unit, is mainly used for showing the overall structure of electric heating unit；
Fig. 2 is the front view of electric heating unit；
Fig. 3 is the top view of electric heating unit；
Fig. 4 is the cross-sectional view of the electric heating unit of embodiment one, is mainly used for showing the connection between each component and closes
System；
Fig. 5 is the portion the A enlarged diagram of Fig. 4, is mainly used for showing the connection relationship between electric heating tube and limit assembly；
Fig. 6 is the cross-sectional view of the electric heating unit of embodiment two, is mainly used for showing the connection between each component and closes
System；
Fig. 7 is the portion the B enlarged diagram of Fig. 6, is mainly used for showing the connection relationship between electric heating tube and limit assembly；
Fig. 8 is the cross-sectional view of the electric heating unit of embodiment three, is mainly used for showing the connection between each component and closes
System；
Fig. 9 is the portion the C enlarged diagram of Fig. 8, is mainly used for showing the connection relationship between electric heating tube and limit assembly.
In figure: 1, electric heating tube fixed plate；2, electric heating tube；3, neon light tube；4, cable；5, connector；6, limit convex
It rises；7, mounting hole；8, snap ring；9, spring；10, jumping bean spring；11, groove；12, bolt hole.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment one: a kind of electric heating unit has upper and lower two pieces of electric heating tubes being oppositely arranged solid as depicted in figs. 1 and 2
Fixed board 1 is made, and as shown in Figure 4 and Figure 5, several mounting holes 7, upper and lower two blocks of electricity is offered in electric heating tube fixed plate 1
Mounting hole 7 in heating tube fixed plate 1 is oppositely arranged and its center of circle is located on same axis, between upper and lower corresponding mounting hole 7
Electric heating tube 2 is installed, the both ends of electric heating tube 2 stick into mounting hole 7 respectively, are equipped with limit assembly in mounting hole 7 and are used for
Electric heating tube 2 is fixed.
As shown in figure 5, limit assembly includes snap ring 8, hole is opened up among snap ring 8 and is adapted with electric heating tube 2, and is being pacified
The upper surface in dress hole 7 is provided with the retention bead 6 of annular, and retention bead 6 protrudes from the side wall of mounting hole 7, and snap ring 8 is mounted on
In dress hole 7 and the lateral wall of snap ring 8 is matched with retention bead 6, as shown in Figure 4 and Figure 5, and is also pacified in mounting hole 7
Equipped with spring 9, spring 9 contradicts snap ring 8 and the upper surface of snap ring 8 and electric heating tube fixed plate 1 is kept same plane, at this time
Snap ring 8 is limited protrusion 6 just and blocks, and snap ring 8 at this time is bonded with the full contact of the side wall of mounting hole 7, and works as
When needing that electric heating tube 2 is installed, one end of electric heating tube 2 is first put in the hole of snap ring 8, pressing electric heating tube 2 at this time makes card
8 compressed spring 9 of ring puts in mounting hole 7, then electric heating tube 2 is also and then put in mounting hole 7, then electric heating tube 2 at this time
It is formed with gap between the electric heating tube fixed plate 1 of the end connection when other end state in a vertical shape is arranged, unclamps apply at this time
Pressure, the other end can be put in the hole of snap ring 8 under the action of resilient pressing force below, to realize electric heating tube 2
Fixation, fixed between electric heating tube 2 and snap ring 8 by frictional force at this time, and be complete between electric heating tube 2 and snap ring 8
Contact, it will not be sintered at work there is a situation where localized contact is excessive between electric heating tube 2 and snap ring 8 in this way,
So as to guarantee the normal use of work, and when needing to remove electric heating tube 2, then by upwardly or downwardly to electric heating
Pipe 2 applies pressure, then electric heating tube 2 can be detached from the snap ring 8 of one end, and the other end then compresses snap ring 8 and puts in mounting hole 7,
Then it is slightly tilted after electric heating tube 2 and extracts electric heating tube 2 disengaging of electric heating tube 2 can be realized.
And in order to cooperate the detachable of electric heating tube 2, detection dress is also equipped in the side of electric heating tube fixed plate 1
It sets, detection device includes neon light tube 3, and the terminals of neon light tube 3 are connected on each individual electric heating tube 2, electric heating
Light occurs for neon light tube 3 when pipe 2 is powered, and then indicates the electric heating tube 2 not logical when some electric heating tube 2 breaks down
Electricity fever, the neon light tube 3 being attached thereto in this way would not also shine, then it is which electric heating tube 3 that staff, which is known that,
Failure has occurred, stop electric heating unit in time at this time, and then the electric heating tube 2 is dismantled and then replaced, so as to
It continues to use, improves the service efficiency of electric heating unit, save cost of labor.
Embodiment two: a kind of electric heating unit, as shown in Figure 6 and Figure 7, the difference with embodiment one is electric heating tube 2
Different from the connection type of snap ring 8, one electric heating tube 2 of embodiment and snap ring 8 are to be fixed by stiction, and this programme exists
It is provided with internal screw thread in the hole of snap ring 8, the both ends of electric heating tube 2 are provided with external screw thread, make the company of electric heating tube 2 Yu snap ring 8
The mode of connecing is to be threadedly coupled, and can further increase the connective stability between electric heating tube 2 and snap ring 8 in this way, will not be because of
External vibration and there is a situation where undesirably falling off, when installation or removal, snap ring 8 is first oppressed into one end of electric heating tube 2, so
After make electric heating tube 2 present vertical state, then rotate electric heating tube 2 screw electric heating tube 2 in snap ring 8 by screw thread, so
The other end is screwed again by screw thread afterwards, and this makes it possible to keep electric heating tube 2 fixed, vice versa when disassembly is desired, and
It can be further improved the contact area and contact force between electric heating tube 2 and snap ring 8 after setting in this way, thus in conduction
It can guarantee better connective stability when work, reduce the failure rate of electric heating tube 2.
Embodiment three: a kind of electric heating unit, as shown in Figure 8 and Figure 9, the difference with embodiment one is electric heating tube 2
Different from the connection type of snap ring 8, this programme installs 10 structure of jumping bean spring on the hole inner sidewall of snap ring 8, in electric heating tube 2
Both ends open up fluted 11 respectively, in this way when needing for electric heating tube 2 to be installed in snap ring 8, one end of electric heating tube 2 is stretched
Into in the hole of snap ring 8, compressed jumping bean spring 10 is now in when then rotating electric heating tube 2 and is proceeded in groove 11 just
And it puts in groove 11 to contradict with it, such electric heating tube 2 can be fixed by stable, at this time in the effect of spring 9
The lower other end is put in the hole of snap ring 8, rotates electric heating tube 2 at this time, the snap ring 8 of the one end engaged is in the existing structure
It can and then rotate, until the jumping bean spring 10 at that end engaged is needed just to stick into groove 11, thereby realize fixation
Then slightly firmly upwardly or downwardly lifting can be such that jumping bean spring 10 and groove 11 is detached from when acting on, and needing to dismantle, thus
Realize disassembly, setting installation in this way is very convenient, and connective stability is also high.
Example IV: a kind of thermal storage electric boiler possesses any electric heating unit in above three embodiments, and
The two sides of the electric heating unit are also connected with connector 5, state as shown in figures 1 and 3, electric heating machine by cable 4 respectively
Group is fixedly mounted on the machine of thermal storage electric boiler by the way that bolt hole 12 is arranged in electric heating tube fixed plate 1 by way of bolt
Heat generating component is used as in frame, and energization action can be realized in connector 5 and extraneous circuit grafting, if setting is for electricity in this way
Electric heating tube 2 in heating unit is when being damaged, when only dismantling electric heating tube 2 can because the inconvenience of station setting and
Cause to be difficult to operate, be fixed by way of bolt, can be dismantled when needing to dismantle, then takes connector 5
Under, then electric heating unit can be disassembled and carry out replacing individual electric heating tube 2 again, then very easily installed again
Up, to realize function easy to disassemble and install, and when electric heating tube 2 is damaged or electric heating unit damages
Then bad when, can be replaced by disassembly and realize continuing to use for thermal storage electric boiler, so as to avoid the stoppage in transit of whole equipment
The loss overhauled and operated.
Claims (8)
1. a kind of electric heating unit, the electric heating tube fixed plate (1) being oppositely arranged including two and to be installed on two electric heating tubes solid
Several electric heating tubes (2) between fixed board (1), it is characterised in that: be equipped with several peaces on the electric heating tube fixed plate (1)
It fills hole (7), limit assembly is installed, the limit assembly is accommodated in mounting hole (7) and mounting hole in the mounting hole (7)
(7) there is the cavity slid for limit assembly in, while being contradicted between limit assembly and mounting hole (7) and being connected with elastic component, institute
Electric heating tube (2) is stated to be removably connected in limit assembly；The limit assembly includes snap ring (8), is set on the mounting hole (7)
Have retention bead (6), the snap ring (8) is restricted in mounting hole (7) by retention bead (6), electric heating tube (2) card
It is connected in snap ring (8)；The retention bead (6) annularly setting and be located at mounting hole (7) upper end, the snap ring (8) with
Retention bead (6) matches.
2. a kind of electric heating unit according to claim 1, it is characterised in that: the snap ring (8) and electric heating tube (2) spiral shell
Line connection.
3. a kind of electric heating unit according to claim 1, it is characterised in that: the snap ring (8) and electric heating tube (2) it
Between be provided with scalable fixed structure and fixation formed by scalable fixed structure.
4. a kind of electric heating unit according to claim 3, it is characterised in that: the scalable fixed structure includes jumping bean
Spring (10), the jumping bean spring (10) are installed on the inner wall of snap ring (8), offer on the side wall of the electric heating tube (2)
Groove (11) is matched with jumping bean spring (10).
5. a kind of electric heating unit according to claim 1, it is characterised in that: the every electric heating tube (2) is all connected with
There is independent detection device, detection device is installed on the outside of electric heating tube fixed plate (1).
6. a kind of electric heating unit according to claim 5, it is characterised in that: the detection device includes and electric heating tube
(2) neon light tube (3) being electrically connected.
7. a kind of thermal storage electric boiler, including such as above-mentioned electric heating unit described in any one of claims 1-6.
8. a kind of thermal storage electric boiler according to claim 7, including rack, it is characterised in that: the electric heating unit is removable
It unloads and is connected to rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491399.7A CN105910283B (en) | 2016-06-28 | 2016-06-28 | A kind of electric heating unit and the thermal storage electric boiler with the unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491399.7A CN105910283B (en) | 2016-06-28 | 2016-06-28 | A kind of electric heating unit and the thermal storage electric boiler with the unit |
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| CN105910283A CN105910283A (en) | 2016-08-31 |
| CN105910283B true CN105910283B (en) | 2019-01-22 |
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| CN201610491399.7A Active CN105910283B (en) | 2016-06-28 | 2016-06-28 | A kind of electric heating unit and the thermal storage electric boiler with the unit |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822531A (en) * | 2018-08-09 | 2020-02-21 | 广西大学 | Electric heater based on heat exchange is strengthened to graphite alkene |
| CN110864352B (en) * | 2019-11-29 | 2021-05-07 | 辽宁力泰中节能科技有限公司 | Energy converter auxiliary fixing device for electromagnetic heat pump |
| CN111068421A (en) * | 2020-01-13 | 2020-04-28 | 梁国莉 | Industrial and mining is pulse bag dust collector ware for tail gas |
| CN114738999B (en) * | 2022-03-29 | 2024-01-30 | 济南萨博特种汽车有限公司 | Rotary heating device |
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| CN2765102Y (en) * | 2005-01-24 | 2006-03-15 | 广州市奥特朗企业有限公司 | Heating device for electric water heater |
| CN201363893Y (en) * | 2008-12-31 | 2009-12-16 | 江苏裕兴电器有限公司 | High-pressure replaceable electric heater assembly |
| CN203233553U (en) * | 2013-04-02 | 2013-10-09 | 广东美的暖通设备有限公司 | An installing mechanism of an electric heater and an electric heater |
| US9234677B2 (en) * | 2007-07-20 | 2016-01-12 | Catem Gmbh & Co. Kg | Electric heating device, in particular for motor vehicles |
| CN205747499U (en) * | 2016-06-28 | 2016-11-30 | 北京大正永业科技有限公司 | A kind of electrical heating unit and the thermal storage electric boiler with this unit |
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2016
- 2016-06-28 CN CN201610491399.7A patent/CN105910283B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2765102Y (en) * | 2005-01-24 | 2006-03-15 | 广州市奥特朗企业有限公司 | Heating device for electric water heater |
| US9234677B2 (en) * | 2007-07-20 | 2016-01-12 | Catem Gmbh & Co. Kg | Electric heating device, in particular for motor vehicles |
| CN201363893Y (en) * | 2008-12-31 | 2009-12-16 | 江苏裕兴电器有限公司 | High-pressure replaceable electric heater assembly |
| CN203233553U (en) * | 2013-04-02 | 2013-10-09 | 广东美的暖通设备有限公司 | An installing mechanism of an electric heater and an electric heater |
| CN205747499U (en) * | 2016-06-28 | 2016-11-30 | 北京大正永业科技有限公司 | A kind of electrical heating unit and the thermal storage electric boiler with this unit |
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| CN105910283A (en) | 2016-08-31 |
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