CN201118996Y - Heating device - Google Patents
Heating device Download PDFInfo
- Publication number
- CN201118996Y CN201118996Y CNU2007201704040U CN200720170404U CN201118996Y CN 201118996 Y CN201118996 Y CN 201118996Y CN U2007201704040 U CNU2007201704040 U CN U2007201704040U CN 200720170404 U CN200720170404 U CN 200720170404U CN 201118996 Y CN201118996 Y CN 201118996Y
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- CN
- China
- Prior art keywords
- resistance
- lead
- joint
- wire
- heater
- 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
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Abstract
The utility model discloses a heating device, which comprises a resistance wire and a resistance change-over switch, wherein, the resistance wire is provided with two first outgoing lines and at least one second outgoing line, the resistance change-over switch is provided with a first connector group corresponding to a volt external connecting voltage and a second connector group corresponding to b volt external connecting voltage, the first connector group is provided with two first connectors which is corresponding to the two first outgoing lines and can respectivley connect the both ends of the external connecting voltage, the second connector group is provided with a second r connector and a third adapter connector, the second connector is corresponding to one second outgoing line of the resistance wire, and the third connector is corresponding to the two first outgoing lines of the resistance wire or one of other second outgoing lines. The resistance wire is provided with at least three outgoing lines, is selected through a resistance selective switch, and can be compatible with different external connecting voltages, when externally connecting different voltages, the resistance of the whole heater can be adjusted through changing the connection method of the outgoing line, further, the consistent output power is ensured under different situations of external connecting voltage.
Description
Technical field
The utility model is about a kind of heater, especially about a kind of heater with resistance wire.
Background technology
The heating components and parts generally adopt thin film heater in the biochemical instruments, for high-power heating components and parts, consider electric current and power consumption, generally adopt AC-powered, promptly use the alternating voltage of external 110V or 220V.In order to guarantee heater total power consumption unanimity, general is a kind of heater of using that adopts the 110V power supply, and the use another kind that adopts the 220V power supply is with power consumption but the different heater of resistance.
Existing thin film heater as shown in Figure 1, it comprises insulation film 5 and is adhesively fixed on resistance wire 4 on this insulation film 5 that two ends of this resistance wire 4 have first lead-out wire 41 and second lead-out wire 42 respectively.When adopting the 110V power supply, the resistance of setting resistance wire is R, and then power output is P; When adopting the 220V power supply, the resistance of resistance wire is R, but power output is 4P.There is following shortcoming in this kind thin film heater: when equipment need be changed alternating voltage, for the guaranteed output unanimity, just need to change resistance, promptly need to change heater, caused very big replacement cost, heater adopts two kinds of materials also to increase the cost of material and the cost of maintenance simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, and a kind of heater that can compatible multiple external voltage under the constant situation of power output is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of heater, comprise heater block and comprise the resistance change over switch, this heater block has two first lead-out wires and at least one second lead-out wire, this resistance change over switch has the first joint group corresponding with a volt external voltage and lies prostrate the second corresponding joint group of external voltage with b, this first joint group has and two first corresponding two first joints that also can connect the external voltage two ends respectively of lead-out wire, this second joint group has second joint and the 3rd joint that can connect the external voltage two ends respectively, this second joint is corresponding with one second lead-out wire of heater block, two first lead-out wires of the 3rd joint and heater block and any one in other second lead-out wire are corresponding, and when this heater block and this resistance switch conducting, the resistance between two first joints and the ratio of the resistance between second joint and the 3rd joint equal a
2/ b
2
Described heater block is a resistance wire, and two first lead-out wires lay respectively at the two ends of its resistance live part, and this second lead-out wire is between these two ends.
Described first lead-out wire and second lead-out wire other position between two ends, position, middle or the two ends of resistance wire.
Described two first lead-out wires lay respectively at the two ends of resistance wire, and second lead-out wire has one and be positioned at the position, middle of resistance wire.
Described second lead-out wire has one, and the second joint group also has the 4th joint, and this second joint is corresponding with this second lead-out wire, and the 3rd joint and the 4th joint are corresponding with two first lead-out wires respectively, and the 3rd joint and the connection of the 4th joint.
Described resistance wire is fixed on the insulation film.
Described second lead-out wire has two at least.
The invention has the beneficial effects as follows, heater block has at least three lead-out wires, and select by the resistance selector switch, can compatible different external voltage, when external different voltage, the mode of connection that changes lead-out wire is the resistance of the whole heater of scalable, and then guarantees power output unanimity under the different external connection voltage condition.
Description of drawings
Fig. 1 is the structural representation of existing thin film heater;
Fig. 2 is the insulation film of present embodiment heater and the structural representation of resistance wire;
Fig. 3 is the structural representation of resistance selector switch.
Embodiment
As shown in Figures 2 and 3, the present embodiment heater comprises insulation film 1, heater block and resistance selector switch 3, this heater block such as resistance wire 2, this resistance wire 2 is circuitous be tiled on this insulation film 1 and with this insulation film 1 bonding one.This resistance wire 2 has two first lead-out wires 21 that are black and is the two ends that red 22, two first lead-out wires 21 of one second lead-out wire lay respectively at this resistance wire 2, and this second lead-out wire 22 is positioned at the position, middle of this resistance wire 2.This resistance selector switch 3 has first joint group 31 and with the 110V external voltage corresponding second joint group 32 corresponding with the 220V external voltage, this first joint group 31 has respectively two first joints 311 corresponding with two first lead-out wires 21, and these two first joints 311 are connected with the two ends of external voltage respectively.This second joint group 32 has respectively three joint 322 and four joint 323 corresponding with two first lead-out wires 21, this second joint group 32 also has second joint 321 corresponding with second lead-out wire 22, the 3rd joint 322 is connected with the 4th joint 323 and is connected with an end of external voltage, and this second joint 321 is connected with the other end of external voltage.
The operation principle of this heater is as follows:
The resistance value of setting resistance wire 2 is constant to be R, when resistance selector switch 3 is selected 220V, two first lead-out wires 21 of resistance wire are connected two first joints 311 of resistance selector switch 3 respectively, and then the resistance between these two first joints 311 is R, and the power of output is P;
When the resistance selector switch is selected 110V, two first lead-out wires 21 of resistance wire are connected with the 3rd joint 322 and the 4th joint 323 respectively, and second lead-out wire 22 and second joint 321 are connected, the 3rd joint 322 and the 4th joint 323 are connected again, the resistance parallel connection that to be equivalent to two resistances be R/2, then the resistance between this second joint 321 and the 3rd joint 322 is R/4, and power output still is P.
When voltage need change, only need put the resistance that just can regulate this heater by the mode of connection that changes lead-out wire to the 110V or the 220V voltage gear of needs to the resistance selector switch, and then guaranteed the power unanimity exported under the different voltage condition, and do not need heater is changed, save Material Cost and safeguarded the change cost.
For this resistance wire, it can have three lead-out wires, also can have the lead-out wire more than three; Each lead-out wire can be separately positioned on end, centre position or other position of resistance wire.The resistance selector switch also can correspond to three kinds of resistance and select or select more than three kinds of resistance.
In the present embodiment, this heater comprises resistance wire and resistance change over switch, this resistance wire has two first lead-out wires laying respectively at its resistance live part two ends and at least one second lead-out wire between these two ends, this resistance change over switch has the first joint group corresponding with a volt external voltage and lies prostrate the second corresponding joint group of external voltage with b, this first joint group has and two first corresponding two first joints that also can connect the external voltage two ends respectively of lead-out wire, this second joint group has second joint and the 3rd joint that can connect the external voltage two ends respectively, this second joint is corresponding with one second lead-out wire of resistance wire, two first lead-out wires of the 3rd joint and resistance wire and any one in other second lead-out wire are corresponding, and when this resistance wire and this resistance switch conducting, the resistance between two first joints and the ratio of the resistance between second joint and the 3rd joint equal a
2/ b
2This resistance live part is the part that electric current is arranged after the resistance wire energising.Second lead-out wire of this resistance wire can have more than two or two, and then the joint of resistance change over switch is also corresponding increases, and is switched on or switched off by setting requirement between each joint, only need make the requirement of resistor satisfied setting ratio.For the external voltage of 220V, two first joints of resistance change over switch are connected with two first lead-out wires of resistance wire respectively, are R thereby make resistance, and power output is P.For the external voltage of 110V, it is in parallel that the 3rd joint and the 4th joint were connected; Also the 4th joint can be set, only need make second lead-out wire be positioned at 1/4 place of whole resistance wire, and this second lead-out wire is connected second joint respectively with one first lead-out wire and the 3rd joint gets final product.
This heater block can also be metal electric heating membrane, silica gel heating plate, heating plate, carbon back Electric radiant Heating Film, carbon fiber heating line, ceramic electrothermal film.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. heater, comprise heater block, it is characterized in that: also comprise the resistance change over switch, this heater block has two first lead-out wires and at least one second lead-out wire, this resistance change over switch has the first joint group corresponding with a volt external voltage and lies prostrate the second corresponding joint group of external voltage with b, this first joint group has and two first corresponding two first joints that also can connect the external voltage two ends respectively of lead-out wire, this second joint group has second joint and the 3rd joint that can connect the external voltage two ends respectively, this second joint is corresponding with one second lead-out wire of heater block, two first lead-out wires of the 3rd joint and heater block and any one in other second lead-out wire are corresponding, and when this heater block and this resistance switch conducting, the resistance between two first joints and the ratio of the resistance between second joint and the 3rd joint equal a
2/ b
2
2. heater according to claim 1 is characterized in that: described heater block is a resistance wire, and two first lead-out wires lay respectively at the two ends of its resistance live part, and this second lead-out wire is between these two ends.
3. heater according to claim 2 is characterized in that: described first lead-out wire and second lead-out wire other position between two ends, position, middle or the two ends of resistance wire.
4. heater according to claim 3 is characterized in that: described two first lead-out wires lay respectively at the two ends of resistance wire, and second lead-out wire has one and be positioned at the position, middle of resistance wire.
5. heater according to claim 1, it is characterized in that: described second lead-out wire has one, the second joint group also has the 4th joint, this second joint is corresponding with this second lead-out wire, the 3rd joint and the 4th joint are corresponding with two first lead-out wires respectively, and the 3rd joint and the connection of the 4th joint.
6. heater according to claim 2 is characterized in that: described resistance wire is fixed on the insulation film.
7. according to any described heater among the claim 1-6, it is characterized in that: described second lead-out wire has two at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201704040U CN201118996Y (en) | 2007-10-24 | 2007-10-24 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201704040U CN201118996Y (en) | 2007-10-24 | 2007-10-24 | Heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118996Y true CN201118996Y (en) | 2008-09-17 |
Family
ID=39993598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201704040U Expired - Lifetime CN201118996Y (en) | 2007-10-24 | 2007-10-24 | Heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118996Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430777A (en) * | 2015-12-16 | 2016-03-23 | 阮保清 | Vehicle-mounted heating body |
| CN106333387A (en) * | 2015-07-15 | 2017-01-18 | 深圳市新宜康科技有限公司 | Method for realizing multiple resistance values of electronic cigarette atomizing heating wires and arrangement structure |
-
2007
- 2007-10-24 CN CNU2007201704040U patent/CN201118996Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106333387A (en) * | 2015-07-15 | 2017-01-18 | 深圳市新宜康科技有限公司 | Method for realizing multiple resistance values of electronic cigarette atomizing heating wires and arrangement structure |
| CN106333387B (en) * | 2015-07-15 | 2023-10-03 | 深圳市新宜康科技股份有限公司 | Multi-resistance realization method and arrangement structure of electronic cigarette atomizing heating wire |
| CN105430777A (en) * | 2015-12-16 | 2016-03-23 | 阮保清 | Vehicle-mounted heating body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080917 |