CN201875876U - Isolation safe electric water heater - Google Patents
Isolation safe electric water heater Download PDFInfo
- Publication number
- CN201875876U CN201875876U CN2010205639413U CN201020563941U CN201875876U CN 201875876 U CN201875876 U CN 201875876U CN 2010205639413 U CN2010205639413 U CN 2010205639413U CN 201020563941 U CN201020563941 U CN 201020563941U CN 201875876 U CN201875876 U CN 201875876U
- Authority
- CN
- China
- Prior art keywords
- water storage
- metal tube
- storage liner
- electrically heated
- heated rod
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model relates to an isolation safe electric water heater which belongs to the technical field of household appliances. The water heater comprises a water storage liner and an electric heating rod, wherein the water storage liner is fixedly connected with an inner extending metal tube which forms a sealed chamber with the water storage liner; the electric heating rod is sleeved with a heat conducting insulation pipe of which the external contour is matched with the inner contour of the metal tube; the electric heating rod sleeved with the heat conducting insulation pipe extends into the water storage liner by inserting into the metal tube; and an orifice of the heat conducting insulation pipe is provided with an insulation separation board for separating the electric heating rod, an electric control board, a wire, a connecting piece and the water storage liner. The sealing chamber formed by the metal tube and the water storage liner forms a first leak-proof defensive line; and the reliable isolation separation is formed by the heat conducting insulation pipe and the insulation separation board among the electric heating rod, the electric control board, the wire, the connecting piece and the liner so as to form a second leak-proof defensive line, so that water is not splashed to a strong current part even the liner leaks, and the electric safety can be ensured.
Description
Technical field
The utility model relates to a kind of electric heater, and especially a kind of isolation type safety electric heater belongs to the electrical heating household electrical appliance technical field.
Background technology
Electric heater mainly relies on the electrically heated rod energising heating that is inserted in the water storage liner, is a kind of typical I electric appliances, for its electric security performance country compulsory standard is arranged.Understand according to the applicant, the heating rod terminals of existing electric heater directly expose outside inner bag, owing to there are not quarantine measures, in case therefore inner bag seeps water, are easy to splash the forceful electric power position, thereby cause adverse consequences each other.In addition, electrically heated rod is only fixed by plug-in mounting usually, lacks reliable radial location measure, has the possibility of rocking.Especially some electric heater is because the electrically heated rod outside is with earthenware (be referring to application number 200510134956.1 Chinese patent application), as can not secure fixation, causes the damage of earthenware in transit easily and influences the security performance of electric heater.
Retrieval is found, application number is that the Chinese patent application that CN200420088577.4, name are called " strong and weak electricity isolate electromagnet water heater controller " discloses the electromagnet water heater controller that a kind of strong and weak electricity is isolated, each functional circuit of its strong power part is connected with function corresponding interface on the single-chip microcomputer, each functional circuit of weak current part is connected with function corresponding interface on another single-chip microcomputer, is provided with the light-coupled isolation channel that is used for carrying out between the single-chip microcomputer data communication between two single-chip microcomputers.The measure that this technical scheme has taked strong and weak electricity to isolate on circuit, but fail to address the above problem.
The utility model content
The purpose of this utility model primarily is: the shortcoming that exists at above-mentioned prior art even propose a kind of fortuitous event such as inner bag infiltration that occurs, also can guarantee the isolation type safety electric heater of electric security performance.
The further purpose of the utility model is: propose the isolation type safety electric heater that a kind of electric heating device is able to quick secure fixation, thereby further strengthen its electric security performance.
In order to reach above purpose, the utility model isolation type safety electric heater comprises water storage liner and electrically heated rod, it is characterized in that: described water storage liner be connected constitute with it seal chamber in stretch metal tube, described electrically heated rod is with the heat conductive insulating pipe that exterior feature matches in gabarit and the described metal tube outward, the described electrically heated rod that is with the heat conductive insulating pipe stretches in the water storage liner by inserting metal tube, and the mouth of pipe of described heat conductive insulating pipe is settled the insulation division board that electrically heated rod, automatically controlled plate, lead, connector and water storage liner are separated.
Like this, because the seal chamber that metal tube and water storage liner constitute has formed anti-leak defence line, first road, and heat conductive insulating pipe and insulation division board have formed reliable barrier and have separated between electrically heated rod, automatically controlled plate, lead and connector and inner bag, formed anti-leak insulation defence line, second road, other electrical control circuit except that the electrically heated rod terminals also can be placed in outside the insulation division board, even therefore inner bag infiltration, can not splash the forceful electric power position yet, thereby guarantee the electric security of electric heater.
The utility model further improves: an end seal weld of described water storage liner is connected to boss, embeds with the spacing metal tube end cap of flange the interior and metal tube seal welding of described metal tube end cap in the endoporus of described boss.
In order to reach further purpose, the terminals of described electrically heated rod form V word fork, has the locator card that is positioned at the plug-in opening both sides on described boss or the insulation division board, after the electrically heated rod plug-in mounting is in place, snap in the two ends of Strip-like clip fastener between described two locator cards, the both sides pressure holding of described fastener is blocked electrically heated rod in described V word fork.
Easy understanding behind the plug-in mounting electrically heated rod, as long as fastener is stuck in the V word fork of its terminals, can solve axial, the circumferential and radial location of electrically heated rod simultaneously, and is both rapid quick, very reliable again.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A cutaway view Amplified image of Fig. 2.
The specific embodiment
Embodiment one
The isolation type safety electric heater of present embodiment as depicted in figs. 1 and 2, tubbiness water storage liner 1 one ends are fitted with electrically heated rod 3.As shown in Figure 3, one end seal weld of water storage liner 1 is connected to boss 2, embed in the endoporus of this boss with the spacing metal tube end cap 2-2 of flange, interior and the metal tube 3-2 seal welding of this metal tube end cap, and and be embedded with sealing ring 2-1 between the boss, therefore when it is fixedly connected each other, the inwall of water storage liner 1 and stretch into the sealed cavity that wherein metal tube 3-2 outer wall has constituted water storage.Be with the heat conductive insulating earthenware 3-1 that exterior feature matches in gabarit and the metal tube 3-2 outside the electrically heated rod 3.During assembling, the electrically heated rod 3 that is with earthenware stretches in the water storage liner 1 by inserting metal tube 3-2.The heat conductive insulating earthenware 3-1 mouth of pipe place that is bell mouth shape settles the insulation division board 5 that electrically heated rod 3, automatically controlled plate 7 and lead, connector and water storage liner 1 are separated.
The terminals of electrically heated rod 3 form V word fork, has the locator card 6 that is positioned at the plug-in opening both sides on boss 2 or the insulation division board 5, after electrically heated rod 3 plug-in mountings are in place, snap in the two ends of Strip-like clip fastener 4 between two locator cards 6, the both sides pressure holding of fastener 4 is blocked electrically heated rod 3 in V word fork.
Because insulation division board and safe edge and rib structure, between electric heater terminals and inner bag, formed reliable barrier and separated, even the inner bag infiltration can not splash the forceful electric power position yet, thereby guarantee the electric security of II class electric heater.And other electrical control circuit also can be placed in the rib of insulation division board, one-object-many-purposes.In addition, fixedly the structure of electrically heated rod is not only easy to assembly quick by fastener, and can satisfy the assembly precision requirement, the cumulative errors that compensation part dimensional tolerance causes.
Claims (5)
1. isolation type safety electric heater, comprise water storage liner and electrically heated rod, it is characterized in that: described water storage liner be connected constitute with it seal chamber in stretch metal tube, described electrically heated rod is with the heat conductive insulating pipe that exterior feature matches in gabarit and the described metal tube outward, the described electrically heated rod that is with the heat conductive insulating pipe stretches in the water storage liner by inserting metal tube, and the mouth of pipe of described heat conductive insulating pipe is settled the insulation division board that electrically heated rod, automatically controlled plate, lead, connector and water storage liner are separated.
2. isolation type safety electric heater according to claim 1, it is characterized in that: an end seal weld of described water storage liner is connected to boss, embed with the spacing metal tube end cap of flange the interior and metal tube seal welding of described metal tube end cap in the endoporus of described boss.
3. isolation type safety electric heater according to claim 2, it is characterized in that: the terminals of described electrically heated rod form V word fork, has the locator card that is positioned at the plug-in opening both sides on described boss or the insulation division board, after the electrically heated rod plug-in mounting is in place, snap in the two ends of Strip-like clip fastener between described two locator cards, the both sides pressure holding of described fastener is blocked electrically heated rod in described V word fork.
4. isolation type safety electric heater according to claim 2 is characterized in that: described insulation division board extends safe edge around boss towards a side of inner bag, deviates from a side of inner bag and extends rib and the step rib that contains terminals.
5. isolation type safety electric heater according to claim 1 and 2 is characterized in that: described heat conductive insulating pipe is an earthenware, and its mouth of pipe is bell mouth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205639413U CN201875876U (en) | 2010-10-15 | 2010-10-15 | Isolation safe electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205639413U CN201875876U (en) | 2010-10-15 | 2010-10-15 | Isolation safe electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875876U true CN201875876U (en) | 2011-06-22 |
Family
ID=44163793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205639413U Expired - Lifetime CN201875876U (en) | 2010-10-15 | 2010-10-15 | Isolation safe electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059717A (en) * | 2013-03-22 | 2014-09-24 | 中国石油化工股份有限公司 | Antioxidant composition, lubricating oil composition and method for improving oxidation resistance of lubricating oil |
-
2010
- 2010-10-15 CN CN2010205639413U patent/CN201875876U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059717A (en) * | 2013-03-22 | 2014-09-24 | 中国石油化工股份有限公司 | Antioxidant composition, lubricating oil composition and method for improving oxidation resistance of lubricating oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205355092U (en) | High temperature sealant battery | |
| CN203551186U (en) | Pressure sensor | |
| CN201875876U (en) | Isolation safe electric water heater | |
| CN203298789U (en) | Shell of gas inlet pressure and temperature sensor | |
| CN203478587U (en) | Electrical heater for pump cavity | |
| CN208608240U (en) | A kind of electric lids of high-energy density lithium battery | |
| CN201655671U (en) | Hydraulic pressure switch | |
| CN214407813U (en) | Temperature detection device for household appliance | |
| CN205355391U (en) | High temperature resistant, subminiature armor cable plug | |
| CN202339985U (en) | Pre-insulated wiring terminal | |
| CN207116757U (en) | High-voltage plug and the electric connector for including it | |
| CN109449815A (en) | A kind of gas-filling cabinet electrical insulations | |
| CN201430574Y (en) | Filter insulation terminal | |
| CN102543903A (en) | Encapsulation improved structure of triode | |
| CN212673496U (en) | Gas water heater | |
| CN204204635U (en) | The two flange insulating sleeve of fire prevention power capacitor | |
| CN104505607B (en) | A kind of bus tie and simultaneously cabinet | |
| CN203772444U (en) | Energy-saving anti-dry-heating type NTC temperature sensor used for household electrical appliances | |
| CN205900922U (en) | Single core logging instrument sealing joint | |
| CN202902626U (en) | Water storage device with anode bar | |
| CN214477005U (en) | Simple to operate's foot is played switch | |
| CN206907728U (en) | A kind of automobile fuel pump fuse of band RF switches control | |
| CN201733472U (en) | High-power heater | |
| CN205429233U (en) | Canned type conducting strip | |
| CN201636965U (en) | Wall mounted heater provided with combined switch with electric shock prevention hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |