CN217214581U - Temperature control device with simple structure and sensitive temperature control - Google Patents
Temperature control device with simple structure and sensitive temperature control Download PDFInfo
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- CN217214581U CN217214581U CN202122314523.1U CN202122314523U CN217214581U CN 217214581 U CN217214581 U CN 217214581U CN 202122314523 U CN202122314523 U CN 202122314523U CN 217214581 U CN217214581 U CN 217214581U
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- temperature control
- movable electrode
- control device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a simple structure accuse temperature sensitive temperature control device, it includes casing, lower casing, fixed electrode piece and movable electrode piece, the connecting portion of fixed electrode piece and movable electrode piece all are located casing and the cavity of casing constitution down, the embedding has the conducting strip in the upper casing, the conducting strip is located movable electrode piece's top, the one end of conducting strip links to each other with movable electrode piece, the last through-hole that is used for the conducting strip radiating is offered to the top surface of upper casing. The utility model provides a simple structure accuse temperature sensitive temperature control device can strengthen the radiating effect, improves the control sensitivity.
Description
Technical Field
The utility model relates to a temperature control device with simple structure and sensitive temperature control.
Background
At present, when the over-temperature and over-current condition or the over-high environment temperature condition appear in the circuit, electronic components in the circuit can be burnt, the existing solution is that a temperature control device is usually added in the circuit, the temperature control device is disconnected with the circuit connection along with the temperature rise to the over-temperature protection value, the protection effect is played, and the accurate temperature control is the root place for ensuring the reliable work of the temperature controller. The existing temperature control device usually adopts a composite metal sheet which can deform along with the temperature change, and the electrical connection between electrode plates of an access circuit in the temperature control device is changed through the composite metal sheet, so that the on-off of the circuit is controlled. However, the existing temperature control device has low heat conduction efficiency, and causes large temperature difference between the inside and the outside, so that the metal sheet is in a deformation state for a long time and cannot be restored to an initial state in time, and the temperature control device cannot act in time to influence the normal use of a circuit.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art not enough, provide a simple structure accuse temperature sensitive temperature control device, can strengthen the radiating effect, improve control sensitivity.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a temperature control device that simple structure accuse temperature is sensitive, it includes casing, lower casing, fixed electrode piece and movable electrode piece, the connecting portion of fixed electrode piece and movable electrode piece all are located the cavity of casing and lower casing constitution, the embedded conducting strip that has in the upper casing, the conducting strip is located the top of movable electrode piece, the one end of conducting strip links to each other with movable electrode piece, the top surface of going up the casing is seted up and is used for the conducting strip to carry out heat-conducting last through-hole.
Further, a positive temperature coefficient thermistor is arranged on the connecting part of the fixed electrode plate, a composite metal sheet is arranged on the positive temperature coefficient thermistor, the composite metal sheet is positioned between the positive temperature coefficient thermistor and the movable electrode plate, and a movable contact is arranged at one end of the movable electrode plate;
when the composite metal sheet is not deformed, the movable electrode plate is electrically connected with the connecting part of the fixed electrode plate through the movable contact;
when the composite metal sheet is deformed, the movable contact is disconnected with the connecting part of the fixed electrode sheet.
Furthermore, the connecting part of the fixed electrode plate is embedded in the lower shell, and the bottom surface of the lower shell is provided with a lower through hole for heat conduction of the connecting part of the fixed electrode plate.
Furthermore, one end of the composite metal sheet is provided with a plurality of arc-shaped notches.
Further, the heat conducting sheet and the movable electrode sheet are of an integrally formed stamping structure, and the movable electrode sheet is bent towards the direction of the composite metal sheet.
Furthermore, a connecting block is arranged between one end of the heat conducting strip and the movable electrode plate, one end of the connecting block is welded with the heat conducting strip, and the other end of the connecting block is welded with the movable electrode plate.
By adopting the technical scheme, the utility model is connected with the movable electrode plate through the heat conducting sheet, and the open type heat dissipation upper through hole is added above the heat conducting sheet, so that the overhigh heat in the product is discharged, the metal sheet can be reset in time, and the product can be restored to a connected state in time; when the ambient temperature is higher, the external heat is quickly transmitted into the temperature control device, so that the composite metal sheet generates directional change at a specific temperature as soon as possible to push the movable sheet, and the movable contact enters different states, thereby controlling the on-off of the fixed electrode sheet and the movable electrode sheet. The bottom surface of the lower shell is provided with the lower through hole for assisting heat conduction, so that the heat dissipation performance of the product in use is improved, and the stability of the product is improved. And carry out edge opening and cambered surface design to the composite metal piece, make the composite metal piece have better response speed when ambient temperature changes and produce deformation, make the reversal deformation of composite metal piece more sensitive.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a temperature control device with simple structure and temperature sensitivity according to the present invention;
fig. 2 is a bottom view of the temperature control device of the present invention with simple structure and temperature control sensitivity;
FIG. 3 is a top view of a temperature control device with simple structure and temperature sensitivity according to the present invention;
FIG. 4 is a schematic structural view of the composite metal sheet of the present invention;
fig. 5 is a schematic structural view of the heat conducting strip and the movable electrode plate of the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 5, the present embodiment provides a temperature control device with simple structure and sensitive temperature control, which includes an upper casing 6, a lower casing 7, a fixed electrode plate 2 and a movable electrode plate 1, wherein the connecting portion of the fixed electrode plate 2 and the movable electrode plate 1 are both located in a cavity formed by the upper casing 6 and the lower casing 7, a heat conducting strip 8 is embedded in the upper casing 6, and the heat conducting strip 8 is located above the movable electrode plate 1. As shown in fig. 1 and 5, the heat conductive sheet 8 and the movable electrode sheet 1 are formed integrally by press molding, and the movable electrode sheet 1 is bent in the direction of the composite metal sheet 4. If the temperature in the cavity is too high, most of heat can be conducted to the conducting strip 8 through the movable electrode plate 1, two upper through holes 61 used for conducting heat conduction on the conducting strip 8 are formed in the top surface of the upper shell 6, punched holes left in the conducting strip 8 after the movable electrode plate 1 is bent downwards are filled by the upper shell 6, and the heat on the conducting strip 8 is distributed out through the upper through holes 61.
As shown in fig. 1, a composite metal sheet 4 and a positive temperature coefficient thermistor 5 are arranged between the connecting part of the fixed electrode sheet 2 and the movable electrode sheet 1, the positive temperature coefficient thermistor 5 is arranged on the connecting part of the fixed electrode sheet 2, and the composite metal sheet 4 is positioned between the positive temperature coefficient thermistor 5 and the movable electrode sheet 1;
when the composite metal sheet 4 is not deformed, the current and the temperature in the circuit are normal, and the movable electrode sheet 1 is electrically connected with the connecting part of the fixed electrode sheet 2 through the movable contact 3;
when the temperature rises due to the abnormal circuit and the abnormal overcurrent generated in the circuit rises, the composite metal sheet 4 deforms, the shape of the composite metal sheet 4 is changed from the shape shown in figure 1, two ends of the composite metal sheet turn upwards, the movable electrode plate 1 is jacked up, the movable contact 3 is disconnected with the connecting part of the fixed electrode plate 2, the movable electrode plate 1, the composite metal sheet 4, the positive temperature coefficient thermistor 5 and the fixed electrode plate 2 are electrically connected, the positive temperature coefficient thermistor 5 is influenced by the temperature rise, the resistance value of the positive temperature coefficient thermistor becomes large, a small continuous temperature working current flows through the positive temperature coefficient thermistor 5, the positive temperature coefficient thermistor 5 is in a high-temperature state, and the composite metal sheet 4 above the positive temperature coefficient thermistor maintains the state that the two ends of the composite metal sheet are warped, so that the protection effect is achieved. When the circuit fault is cleared and the circuit is recovered to normal, the two ends of the composite metal sheet 4 drop to the initial positions shown in fig. 1, the movable electrode sheet 1 is electrically connected with the connecting part of the fixed electrode sheet 2 through the movable contact 3, and the circuit works normally.
As shown in fig. 4, in the present embodiment, one end of the composite metal sheet 4 is provided with a plurality of arc-shaped notches 41, and one end of the composite metal sheet 4 is provided with the arc-shaped notches 41, so that a stress difference at a stress level center when the composite metal sheet 4 deforms can be increased, thereby increasing a response speed of the composite metal sheet 4 in the reverse deformation.
As shown in fig. 2, the connecting portion of the fixed electrode plate 2 of the present embodiment is embedded in the lower casing 7, the heat conducting fin 8 is embedded in the upper casing 6, the bottom surface of the lower casing 7 is provided with a lower through hole 71 for heat conduction of the connecting portion of the fixed electrode plate 2, and a part of heat in the inner cavity is dissipated by the lower through hole 71, so as to assist in heat dissipation.
Example two
As shown in fig. 6, regarding the connection structure of the heat conducting sheet 8 and the movable electrode sheet 1, in the present embodiment, in addition to the first embodiment, another connection structure is provided, in which the heat conducting sheet 8 and the movable electrode sheet 1 are separately provided, a connection block 9 is additionally provided between the heat conducting sheet 8 and the movable electrode sheet 1, one end of the connection block 9 is welded to the heat conducting sheet 8, and the other end of the connection block 9 is welded to the movable electrode sheet 1.
The above embodiments further describe the technical problems, technical solutions and advantageous effects of the present invention in detail, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a temperature control device that simple structure accuse temperature is sensitive which characterized in that: it includes casing (6), lower casing (7), fixed electrode piece (2) and movable electrode piece (1), the connecting portion of fixed electrode piece (2) and movable electrode piece (1) all are located casing (6) and the cavity of casing (7) constitution down, it has heat-conducting strip (8) to go up to bury in casing (6), heat-conducting strip (8) are located the top of movable electrode piece (1), the one end of heat-conducting strip (8) links to each other with movable electrode piece (1), go up the top surface of casing (6) and offer and be used for heat-conducting last through-hole (61) of heat-conducting strip (8).
2. The temperature control device with simple structure and temperature control sensitivity according to claim 1, is characterized in that: a positive temperature coefficient thermistor (5) is arranged on the connecting part of the fixed electrode plate (2), a composite metal sheet (4) is arranged on the positive temperature coefficient thermistor (5), the composite metal sheet (4) is positioned between the positive temperature coefficient thermistor (5) and the movable electrode plate (1), and a movable contact (3) is arranged at one end of the movable electrode plate (1);
when the composite metal sheet (4) is not deformed, the movable electrode sheet (1) is electrically connected with the connecting part of the fixed electrode sheet (2) through the movable contact (3);
when the composite metal sheet (4) deforms, the movable contact (3) is disconnected from the connecting part of the fixed electrode sheet (2).
3. The temperature control device with simple structure and temperature control sensitivity as claimed in claim 1, wherein: the connecting part of the fixed electrode slice (2) is embedded in the lower shell (7), and the bottom surface of the lower shell (7) is provided with a lower through hole (71) for heat conduction of the connecting part of the fixed electrode slice (2).
4. The temperature control device with simple structure and temperature control sensitivity according to claim 2, is characterized in that: one end of the composite metal sheet (4) is provided with a plurality of arc-shaped notches (41).
5. The temperature control device with simple structure and temperature control sensitivity according to claim 1, is characterized in that: the heat conducting sheets (8) and the movable electrode plates (1) are of an integrally formed stamping structure, and the movable electrode plates (1) are bent towards the direction of the composite metal sheets (4).
6. The temperature control device with simple structure and temperature control sensitivity according to claim 1, is characterized in that: a connecting block (9) is arranged between one end of the heat conducting strip (8) and the movable electrode plate (1), one end of the connecting block (9) is welded with the heat conducting strip (8), and the other end of the connecting block (9) is welded with the movable electrode plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314523.1U CN217214581U (en) | 2021-09-24 | 2021-09-24 | Temperature control device with simple structure and sensitive temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314523.1U CN217214581U (en) | 2021-09-24 | 2021-09-24 | Temperature control device with simple structure and sensitive temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217214581U true CN217214581U (en) | 2022-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122314523.1U Active CN217214581U (en) | 2021-09-24 | 2021-09-24 | Temperature control device with simple structure and sensitive temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217214581U (en) |
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2021
- 2021-09-24 CN CN202122314523.1U patent/CN217214581U/en active Active
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