CN201348905Y - Temperature-measurable resistor - Google Patents
Temperature-measurable resistor Download PDFInfo
- Publication number
- CN201348905Y CN201348905Y CNU2009201295461U CN200920129546U CN201348905Y CN 201348905 Y CN201348905 Y CN 201348905Y CN U2009201295461 U CNU2009201295461 U CN U2009201295461U CN 200920129546 U CN200920129546 U CN 200920129546U CN 201348905 Y CN201348905 Y CN 201348905Y
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- Prior art keywords
- resistor
- electrically conductive
- thermo
- film
- conductive film
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Abstract
The utility model discloses a temperature-measurable resistor, which comprises a ceramic substrate, a power resistive film and a power resistor terminal conducting film. The two ends of the power resistive film are both connected with the power resistor terminate conducting film. In particular, the resistor also comprises a temperature-sensitive resistive film and a temperature-sensitive resistor terminal conducting film, and the two ends of the temperature-sensitive resistive film are both connected with the temperature-sensitive resistor terminal conducting film. The temperature-measurable resistor overcomes the shortcomings in the prior art, can protect the entire circuit by measuring or controlling the temperature of the power resistor thereof, avoids the hidden trouble of damage of the entire circuit during the operation, and improves the performance of the circuit by effectively utilizing the temperature rise of the power resistor.
Description
Technical field
The utility model relates to a kind of electrical resistor, the measurable resistor of particularly a kind of temperature.
Background technology
Commonly used to power resistor in electronic instruments, power resistor is a heater element, the degree of heat of power resistor, or the temperature rise size of power resistor, can have bigger difference with the difference of ambient temperature, and the power resistor febrile state can also reflect the operating state of place circuit to a certain extent, when the decreased performance of power resistor with when breaking down, the phenomenon that the resistor temperature raises can appear in power resistor, and the overheated entire circuit that will damage and damage the place of resistor.
But in the prior art, realize the temperature rise of power resistor is monitored, increased the design complexities and the circuit elements device cost of circuit by affix thermosensitive circuit in circuit or other resistance temperature induction components and parts.Single resistor can not realize protecting by the temperature of measuring or control self power resistor the effect of entire circuit; entire circuit is in operation exists impaired at any time hidden danger, more can't realize improving the performance of circuit by the temperature rise that effectively utilizes power resistor.
The utility model content
At the shortcomings and deficiencies that exist in the prior art; the technical problems to be solved in the utility model is not increase under the situation of thermosensitive circuit or other extra resistance temperature induction components and parts at circuit; make resistor can by measure and moment synchronous feedback resistor temperature or the temperature of controlling self power resistor protect entire circuit; avoid entire circuit to be in operation and exist impaired hidden danger and the performance that improves circuit by the temperature rise that effectively utilizes power resistor.
The utility model has overcome deficiency of the prior art, provide a kind of temperature measurable electrical resistor, comprise ceramic substrate, the power resistor film, power resistor termination electrically conductive film, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, especially, described resistor also comprises the thermo-sensitive resistor film, thermo-sensitive resistor termination electrically conductive film, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
Described power resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the power resistor film be arranged at power resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, described thermo-sensitive resistor film and thermo-sensitive resistor termination electrically conductive film, be arranged on the ceramic substrate back side simultaneously at power resistor film place, thermo-sensitive resistor termination electrically conductive film is arranged at the two ends on the ceramic substrate, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
Described power resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the power resistor film be arranged at power resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, on power resistor film and power resistor termination electrically conductive film, cover a buffer layer is set, thermo-sensitive resistor termination electrically conductive film is arranged at the two ends on the buffer layer, the thermo-sensitive resistor film is arranged on the buffer layer, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
Described thermo-sensitive resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the thermo-sensitive resistor film be arranged at thermo-sensitive resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively, on thermo-sensitive resistor film and thermo-sensitive resistor termination electrically conductive film, cover a buffer layer is set, power resistor termination electrically conductive film is arranged at the two ends on the buffer layer, the power resistor film is arranged on the buffer layer, and the two ends of power resistor film join with power resistor termination electrically conductive film respectively.
The material that described thermo-sensitive resistor film adopts is a kind of in negative temperature coefficient material or the PTC material.
Described power resistor termination electrically conductive film and thermo-sensitive resistor termination electrically conductive film are respectively equipped with a lead-out wire at separately an end, and the lead-out wire of power resistor termination electrically conductive film is in parallel with the lead-out wire of thermo-sensitive resistor termination electrically conductive film.
The encapsulation of described resistor is adopted lead packages or is not had a kind of in the lead packages.
Compared with prior art; the beneficial effects of the utility model are: do not increase at circuit under the situation of thermosensitive circuit or other extra resistance temperature induction components and parts; make resistor can be effectively by measure and moment synchronous feedback resistor temperature or the temperature of controlling self power resistor protect entire circuit; the impaired hidden danger of avoiding entire circuit to be in operation existing reduces greatly; and the performance that can improve circuit by the temperature rise that effectively utilizes power resistor; this resistor can be used as common power resistor; can be used as simultaneously the transducer of temperature controller again, is a kind of multi-functional resistor element.Not only reduce the design complexities of circuit but also saved the components and parts cost of circuit.
Description of drawings
The resistor front schematic view of the measurable resistor most preferred embodiment of a kind of temperature of Fig. 1 the utility model;
The resistor schematic rear view of the measurable resistor most preferred embodiment of a kind of temperature of Fig. 2 the utility model;
The resistor side schematic diagram of the measurable resistor most preferred embodiment of a kind of temperature of Fig. 3 the utility model;
The resistor side schematic diagram of the measurable resistor embodiment 2 of a kind of temperature of Fig. 4 the utility model;
The resistor side schematic diagram of the measurable resistor embodiment 3 of a kind of temperature of Fig. 5 the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Most preferred embodiment:
As shown in Figure 1 to Figure 3, manufacture and design the measurable resistor of a kind of temperature, comprise ceramic substrate 11, power resistor film 12, power resistor termination electrically conductive film 13, the two ends of power resistor film 12 join with power resistor termination electrically conductive film 13 respectively, especially, described resistor also comprises thermo-sensitive resistor film 22, thermo-sensitive resistor termination electrically conductive film 23, and the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively.
Described power resistor termination electrically conductive film 13 is arranged at the two ends of ceramic substrate 11 one sides, power resistor film 12 be arranged at power resistor termination electrically conductive film 13 ceramic substrates 11 with one side on, the two ends of power resistor film 12 join with power resistor termination electrically conductive film 13 respectively, described thermo-sensitive resistor film 22 and thermo-sensitive resistor termination electrically conductive film 23, be arranged on ceramic substrate 11 back side simultaneously at power resistor film 12 places, the two ends that thermo-sensitive resistor termination electrically conductive film 23 is arranged on the ceramic substrate 11, the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively.
The material that described thermo-sensitive resistor film 22 adopts is a kind of in negative temperature coefficient material or the PTC material.
Described power resistor termination electrically conductive film 13 and thermo-sensitive resistor termination electrically conductive film 23 are respectively equipped with a lead-out wire at separately an end, and the lead-out wire of power resistor termination electrically conductive film 13 is in parallel with the lead-out wire of thermo-sensitive resistor termination electrically conductive film 23.
The encapsulation of described resistor is adopted lead packages or is not had a kind of in the lead packages.
Embodiment 2:
As shown in Figure 4, manufacture and design the measurable resistor of a kind of temperature, comprise ceramic substrate 11, power resistor film 12, power resistor termination electrically conductive film 13, the two ends of power resistor film 12 join with power resistor termination electrically conductive film 13 respectively, especially, described resistor also comprises thermo-sensitive resistor film 22, thermo-sensitive resistor termination electrically conductive film 23, and the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively.
Described power resistor termination electrically conductive film 13 is arranged at the two ends of ceramic substrate 11 one sides, power resistor film 12 be arranged at power resistor termination electrically conductive film 13 ceramic substrates 11 with one side on, the two ends of power resistor film 12 join with power resistor termination electrically conductive film 13 respectively, on power resistor film 12 and power resistor termination electrically conductive film 13, cover a buffer layer 31 is set, the two ends that thermo-sensitive resistor termination electrically conductive film 23 is arranged on the buffer layer 31, thermo-sensitive resistor film 22 is arranged on the buffer layer 31, and the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively.
The material that described thermo-sensitive resistor film 22 adopts is a kind of in negative temperature coefficient material or the PTC material.
Described power resistor termination electrically conductive film 13 and thermo-sensitive resistor termination electrically conductive film 23 are respectively equipped with a lead-out wire at separately an end,
The encapsulation of described resistor is adopted lead packages or is not had a kind of in the lead packages.
Embodiment 3:
As shown in Figure 5, manufacture and design the measurable resistor of a kind of temperature, comprise ceramic substrate 11, power resistor film 12, power resistor termination electrically conductive film 13, the two ends of power resistor film 12 join with power resistor termination electrically conductive film 13 respectively, especially, described resistor also comprises thermo-sensitive resistor film 22, thermo-sensitive resistor termination electrically conductive film 23, and the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively.
Described thermo-sensitive resistor termination electrically conductive film 23 is arranged at the two ends of ceramic substrate 11 one sides, thermo-sensitive resistor film 22 be arranged at thermo-sensitive resistor termination electrically conductive film 23 ceramic substrates 11 with one side on, the two ends of thermo-sensitive resistor film 22 join with thermo-sensitive resistor termination electrically conductive film 23 respectively, on thermo-sensitive resistor film 22 and thermo-sensitive resistor termination electrically conductive film 23, cover a buffer layer 31 is set, the two ends that power resistor termination electrically conductive film 23 is arranged on the buffer layer 31, power resistor film 12 is arranged on the buffer layer 31, and the two ends of power resistor film 22 join with power resistor termination electrically conductive film 23 respectively.
The material that described thermo-sensitive resistor film 22 adopts is a kind of in negative temperature coefficient material or the PTC material.
Described power resistor termination electrically conductive film 13 and thermo-sensitive resistor termination electrically conductive film 23 are respectively equipped with a lead-out wire at separately an end.
The encapsulation of described resistor is adopted lead packages or is not had a kind of in the lead packages.
More than the measurable resistor of a kind of temperature closely stated of each embodiment because the making near power resistor of thermo-sensitive resistor, so its response speed is very fast, when the power resistor temperature raise, thermo-sensitive resistor will increase or reduce immediately.Utilize thermo-sensitive resistor to increase or reduce to constitute temperature-control circuit or temperature protection circuit, improve circuit performance.
Being implemented in circuit does not simultaneously increase under the situation of thermosensitive circuit or other extra resistance temperature induction components and parts; make resistor can be effectively by measure and moment synchronous feedback resistor temperature or the temperature of controlling self power resistor protect entire circuit, avoid the be in operation impaired hidden danger of existence of entire circuit to reduce greatly.This resistor can be used as common power resistor, can be used as the transducer of temperature controller simultaneously again, is a kind of multi-functional resistor element.Not only reduce the design complexities of circuit but also saved the components and parts cost of circuit
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. measurable resistor of temperature, comprise ceramic substrate, the power resistor film, power resistor termination electrically conductive film, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, it is characterized in that: described resistor also comprises the thermo-sensitive resistor film, thermo-sensitive resistor termination electrically conductive film, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
2. the measurable resistor of a kind of temperature as claimed in claim 1, it is characterized in that: described power resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the power resistor film be arranged at power resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, described thermo-sensitive resistor film and thermo-sensitive resistor termination electrically conductive film, be arranged on the ceramic substrate back side simultaneously at power resistor film place, thermo-sensitive resistor termination electrically conductive film is arranged at the two ends on the ceramic substrate, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
3. the measurable resistor of a kind of temperature as claimed in claim 1, it is characterized in that: described power resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the power resistor film be arranged at power resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of power resistor film join with power resistor termination electrically conductive film respectively, on power resistor film and power resistor termination electrically conductive film, cover a buffer layer is set, thermo-sensitive resistor termination electrically conductive film is arranged at the two ends on the buffer layer, the thermo-sensitive resistor film is arranged on the buffer layer, and the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively.
4. the measurable resistor of a kind of temperature as claimed in claim 1, it is characterized in that: described thermo-sensitive resistor termination electrically conductive film is arranged at the two ends of ceramic substrate one side, the thermo-sensitive resistor film be arranged at thermo-sensitive resistor termination electrically conductive film with the one side ceramic substrate on, the two ends of thermo-sensitive resistor film join with thermo-sensitive resistor termination electrically conductive film respectively, on thermo-sensitive resistor film and thermo-sensitive resistor termination electrically conductive film, cover a buffer layer is set, power resistor termination electrically conductive film is arranged at the two ends on the buffer layer, the power resistor film is arranged on the buffer layer, and the two ends of power resistor film join with power resistor termination electrically conductive film respectively.
5. the measurable resistor of a kind of temperature as claimed in claim 1 is characterized in that: the material that described thermo-sensitive resistor film adopts is a kind of in negative temperature coefficient material or the PTC material.
6. the measurable resistor of a kind of temperature as claimed in claim 1 is characterized in that: power resistor termination electrically conductive film and thermo-sensitive resistor termination electrically conductive film are respectively equipped with a lead-out wire at separately an end.
7. the measurable resistor of a kind of temperature as claimed in claim 1 is characterized in that: the encapsulation of described resistor is adopted lead packages or is not had a kind of in the lead packages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201295461U CN201348905Y (en) | 2009-01-19 | 2009-01-19 | Temperature-measurable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201295461U CN201348905Y (en) | 2009-01-19 | 2009-01-19 | Temperature-measurable resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348905Y true CN201348905Y (en) | 2009-11-18 |
Family
ID=41368373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201295461U Expired - Lifetime CN201348905Y (en) | 2009-01-19 | 2009-01-19 | Temperature-measurable resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348905Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102450944A (en) * | 2011-05-30 | 2012-05-16 | 浙江苏泊尔家电制造有限公司 | Electrothermal cooker |
| CN102613879A (en) * | 2012-01-13 | 2012-08-01 | 浙江绍兴苏泊尔生活电器有限公司 | Electric cooking appliance with high-precision temperature measuring device |
-
2009
- 2009-01-19 CN CNU2009201295461U patent/CN201348905Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102450944A (en) * | 2011-05-30 | 2012-05-16 | 浙江苏泊尔家电制造有限公司 | Electrothermal cooker |
| CN102613879A (en) * | 2012-01-13 | 2012-08-01 | 浙江绍兴苏泊尔生活电器有限公司 | Electric cooking appliance with high-precision temperature measuring device |
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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 |
Granted publication date: 20091118 |
|
| CX01 | Expiry of patent term |