CN210568655U - Cooking utensil capable of monitoring temperature rise of wiring terminal - Google Patents
Cooking utensil capable of monitoring temperature rise of wiring terminal Download PDFInfo
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- CN210568655U CN210568655U CN201921274646.3U CN201921274646U CN210568655U CN 210568655 U CN210568655 U CN 210568655U CN 201921274646 U CN201921274646 U CN 201921274646U CN 210568655 U CN210568655 U CN 210568655U
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Abstract
The cooking utensil comprises a lower cover and a main control board arranged in the lower cover, wherein the main control board is provided with two wiring terminals of an IGBT and an electromagnetic wire coil, one side of the IGBT of the main control board is provided with a temperature measurement acquisition module for measuring the temperature of the IGBT, and the temperature measurement acquisition module is connected with at least one wiring terminal through a heat conduction sheet and is used for measuring the temperature of the IGBT and the wiring terminals; the lower cover is in main control board downside is provided with the groove of collecting temperature, binding post with IGBT is in the projection on the lower cover falls into in the groove of collecting temperature to prevent heat loss. This paper relates to the kitchen appliance field, provides a cooking utensil of can monitoring binding post temperature rise, can solve the low problem of temperature measurement reliability, and it utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, and utilizes the groove of collecting the temperature to prevent the heat to scatter and disappear, has promoted the reliability of temperature measurement.
Description
Technical Field
The present disclosure relates to kitchen appliances, and more particularly, to a cooking appliance capable of monitoring temperature rise of a terminal.
Background
The induction cooker is a common cooking utensil, the bottom of a pot generates a plurality of tiny eddy currents to heat the pot by utilizing a high-frequency electromagnetic field, and the induction cooker has the advantages of high heating efficiency, energy conservation and environmental protection. The electromagnetic wire coil in the electromagnetic wire coil is used as a key part for electromagnetic energy conversion, the overcurrent is large, the heating is large, and the wiring terminal of the electromagnetic wire coil arranged on the main control board is difficult to avoid generating heat due to poor contact caused by screw manufacturing errors of individual wiring terminals or production and manufacturing, and the main control board is burned down due to serious heating of the wiring terminal, and even a machine is caused to be on fire.
At present, a temperature acquisition module is usually arranged at a wiring terminal of an electromagnetic wire coil of an electromagnetic oven, and the temperature at the wiring terminal of the electromagnetic wire coil is acquired to be transmitted to a control module to realize power reduction or stop heating to achieve the purpose of protecting a machine. However, this technique has the following disadvantages: firstly, the cost is high, and the scheme is that a temperature acquisition module is independently arranged on a wiring terminal, a temperature sensor needs to be arranged, and MCU port resources are specially used; secondly, the temperature measurement is easy to be interfered by electromagnetic waves, the reliability is low, and the thermistor is easy to be interfered by the electromagnetic waves to influence the temperature measurement accuracy because the wiring terminal is connected with the electromagnetic wire coil and is positioned in a strong magnetic field area; finally, the circuit thereof is complicated, and the reliability is also lowered.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a but cooking utensil of control binding post temperature rise can solve the problem that the temperature measurement reliability is low, and it utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, and it utilizes the groove of collecting the temperature to prevent the heat to scatter and disappear, has promoted the reliability of temperature measurement.
In order to achieve the purpose of the invention, the utility model provides a cooking utensil capable of monitoring the temperature rise of a connecting terminal, which comprises a lower cover and a main control board arranged in the lower cover, wherein the main control board is provided with two connecting terminals of an IGBT and an electromagnetic wire coil, one side of the IGBT of the main control board is provided with a temperature measurement acquisition module for measuring the temperature of the IGBT, and the temperature measurement acquisition module is connected with at least one connecting terminal through a heat conducting strip for measuring the temperature of the IGBT and the connecting terminal; the lower cover is in main control board downside is provided with the groove of collecting temperature, binding post with IGBT is in the projection on the lower cover falls into in the groove of collecting temperature to prevent heat loss. Through the setting of conducting strip and collection temperature groove, prevent that the heat scatters and disappears, compare current conventional temperature measurement mode, have the more accurate, more timely, more reliable advantage of temperature measurement.
In one possible design, the heat conducting sheet is a copper foil laid on the front surface and/or the back surface of the main control board.
According to one possible design, a heat-conducting material or a heat-insulating material is arranged below the copper foil between the temperature measurement acquisition module and the wiring terminal so as to promote heat transfer between the temperature measurement acquisition module and the wiring terminal.
In one possible design, the copper foil is connected with the temperature measurement acquisition module and the wiring terminal.
According to a possible design, the temperature measurement acquisition module is a thermistor, the copper foil extends to the pin of the IGBT, and the measuring end of the thermistor is connected with the copper foil.
According to a possible design, the temperature measurement acquisition module comprises a first temperature measurement part for measuring the temperature rise of the IGBT and a second temperature measurement part connected with the copper foil.
According to one possible design, the upper end of the lower cover is provided with a protruding enclosing rib, and the enclosing rib encloses the heat collecting groove.
In one possible design, the distance between the temperature measurement acquisition module and the wiring terminal is 15-45 mm.
One possible design comprises a control module, wherein the control module is electrically connected with a temperature measurement acquisition module, and the control module receives temperature information of the temperature measurement acquisition module.
One possible design includes an alarm unit electrically connected to the control module.
Compared with the prior art, the utility model discloses a cooking utensil's beneficial effect as follows:
1. cooking utensil utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, and utilizes the groove of collecting the temperature to prevent that the heat scatters and disappears, has promoted the reliability of temperature measurement.
2. Cooking utensil utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, realizes a temperature measurement collection module multipurpose function, effective reduce cost.
3. And a heat-conducting material is arranged below the copper foil between the temperature measurement acquisition module and the wiring terminal, so that the heat conduction performance of the thermistor and a detected target can be improved, and the temperature measurement sensitivity is improved.
4. The temperature measurement collection module utilizes the conducting strip to connect two binding post, and each binding post's temperature rise of real-time supervision is unusual.
5. The heat conducting strip is a copper foil, the temperature measurement acquisition module is a thermistor, the structure and the process are simple, and the cost is effectively reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a plan view illustrating an internal structure of a cooking appliance according to a first embodiment;
fig. 2 is a schematic view of a lower cover of a cooking appliance according to a first embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partial structural schematic view of a cooking appliance according to a second embodiment.
Reference numerals: 1-lower cover, 2-main control board, 3-IGBT, 4-wiring terminal, 5-radiating fin, 6-heat collecting groove, 7-surrounding barrier rib, 8-temperature measuring collecting module and 9-heat conducting fin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Example one
Please refer to fig. 1 to 3, which illustrate a first embodiment of a cooking device according to the present invention. This cooking utensil can monitor binding post 4 temperature rise, as shown in fig. 1 to fig. 3, it specifically includes lower cover 1 and main control board 2 of setting in lower cover 1, wherein, the upside of main control board 2 is equipped with two binding post 4 of IGBT3 and electromagnetic wire coil, this main control board 2 is provided with the temperature measurement collection module 8 that is used for surveying the temperature of IGBT3 in one side of IGBT3, especially, this temperature measurement collection module 8 is connected with a binding post 4 through conducting strip 9, in order to measure the temperature of IGBT3 and binding post 4, simultaneously, lower cover 1 is provided with thermal-arrest groove 6 at main control board 2 downside, the projection of above-mentioned binding post 4 and IGBT3 on lower cover 1 falls into thermal-arrest groove 6, can prevent the heat loss. From this, the groove 6 that gathers temperature makes binding post 4 and IGBT 3's heat gathering, prevents that the heat from scattering and disappearing fast, has promoted the reliability of temperature measurement, and temperature measurement collection module 8 measurable quantity IGBT3 and binding post 4's temperature moreover can successively measure or measure simultaneously, has simplified the structure to promote the reliability of temperature measurement.
Specifically, as shown in fig. 1 and fig. 3, the distance between the two connection terminals 4 and the temperature measurement acquisition module 8 is preferably 15-45mm, in this embodiment, one connection terminal 4 is disposed near the temperature measurement acquisition module 8, the other connection terminal 4 is disposed far from the temperature measurement acquisition module 8, and the temperature measurement acquisition module 8 preferably employs a thermistor, but may also be a temperature measurement circuit, a thermocouple temperature measurement module, or the like. The above-mentioned conducting strip 9 is for laying the copper foil (binding post 4, main components and parts such as IGBT 3) of main control board 2 reverse side all at main control board 2 openly, temperature measurement collection module 8 is preferred openly, also can be at the reverse side), the shadow part in the dotted line frame in fig. 3 promptly, thermistor's measuring end links to each other with the copper foil, the copper foil will be close to temperature measurement collection module 8 binding post 4 and be connected to temperature measurement collection module 8, simultaneously, the copper foil extends to IGBT 3's pin department, make temperature measurement collection module 8 measurable quantity IGBT3 and a binding post 4's temperature rise.
As shown in fig. 2, the upper end of the lower cover 1 is provided with a protruding surrounding rib 7, and the surrounding rib 7 extends upward to the lower end surface of the main control board 2 and forms a closed ring shape to form the temperature collection groove 6. The projections of the two wiring terminals 4, the temperature measurement acquisition module 8 and the IGBT3 in the vertical direction fall into the temperature collection groove 6, the heat dissipation speed of the wiring terminals 4 and the IGBT3 is low, the temperature can be acquired in time, and meanwhile, the temperature dissipation of the copper foil is less.
In addition, this cooking utensil still includes control module (not shown in the figure) and alarm unit (not shown in the figure), and this control module is connected with temperature measurement collection module 8 and alarm unit electricity respectively, and control module can receive the temperature information of temperature measurement collection module 8 to according to the power or the heating condition of this temperature information control electromagnetic wire coil, protection cooking utensil, steerable alarm unit action simultaneously reminds the user to pay attention to safe in utilization. In one conventional embodiment, the temperature information collected by the temperature collection module is an analog electrical signal, and is converted into a digital signal and then is controlled by the control module.
When the temperature is too high due to poor contact and heating of the wiring terminal 4, heat can be transferred to the temperature measurement acquisition module 8 through the heat conduction of the copper foil, and the control module can control the power reduction of the induction cooker or stop heating; on the other hand, when the junction temperature of the IGBT3 is too high, the temperature measurement acquisition module 8 sends an instruction according to the temperature rise condition, and the control module can also control to reduce the power or stop heating, so that the electromagnetic oven is protected. Therefore, the cooking utensil can prevent the IGBT3 from being overheated, and meanwhile, the over-temperature fire risk caused by poor contact of the wiring terminal 4 is early warned in advance, so that safety accidents are avoided.
Example two
Please refer to fig. 4, which shows a second embodiment of the cooking apparatus of the present invention. The main differences of this implementation with respect to the first embodiment are: the temperature measurement acquisition module is connected with the two wiring terminals.
Specifically, as shown in fig. 4, the copper foil connects the two connection terminals 4 to the temperature measurement collection module 8 (thermistor), and at the same time, the copper foil extends to the pin of the IGBT3, so that the temperature measurement collection module 8 can measure the temperature rise of the IGBT3 and the two connection terminals 4. Therefore, when any connecting terminal 4 is overheated, the temperature measurement acquisition module 8 can detect, and the use safety of the cooking appliance is further improved.
EXAMPLE III
The utility model discloses a cooking utensil's embodiment three. The main differences of this embodiment from the second embodiment are: the heat-conducting material is arranged below the copper foil.
Specifically, a heat-conducting material is arranged below the copper foil between the temperature measurement acquisition module 8 and the wiring terminal 4 to promote heat transfer between the temperature measurement acquisition module 8 and the wiring terminal 4, so that the thermistor and the thermal resistance of a detected target can be reduced, and the temperature measurement sensitivity is improved. In addition, as a substitute of a heat-conducting material, a heat-insulating material can be arranged below the copper foil, so that the heat loss of the copper foil is prevented, and the heat transfer effect can be improved.
Example four
The utility model discloses a cooking utensil's embodiment four. The main differences of this embodiment from the second embodiment are: the heat conducting sheet is a copper foil laid on the front surface of the main control board.
Specifically, the heat conducting fins are copper foils laid on the front face of the main control board, namely the copper foils are laid on the upper end face of the main control board and located on the same face with the key components, and the copper foils can be connected with the wiring terminals and the temperature measurement acquisition module.
In addition, as an alternative, the temperature measurement acquisition module can comprise a first temperature measurement piece for measuring the temperature rise of the IGBT and a second temperature measurement piece connected with the copper foil, the first temperature measurement piece and the second temperature measurement piece can respectively measure the IGBT and the wiring terminal and are respectively electrically connected with the control module, and the temperature measurement acquisition module has the advantages of being respectively controlled, high in precision and timely.
Combine above-mentioned embodiment one to embodiment four, the utility model discloses a cooking utensil utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, and utilizes the groove of collecting the temperature to prevent the heat and scatter and disappear, has promoted the reliability of temperature measurement. The utility model discloses a cooking utensil utilizes temperature measurement collection module and conducting strip simultaneous measurement IGBT and binding post, realizes a temperature measurement collection module multipurpose function, effective reduce cost. The utility model discloses a copper foil below between temperature measurement collection module and the binding post is equipped with heat-conducting material, can reduce thermistor and the thermal resistance that is detected the target, improves temperature measurement sensitivity. The utility model discloses a temperature measurement collection module utilizes the conducting strip to connect two binding post, and each binding post's of real-time supervision temperature rise is unusual. The utility model discloses a conducting strip is the copper foil, and temperature measurement collection module is thermistor, and its structure and simple process effectively the cost is reduced.
In the description of the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A cooking utensil capable of monitoring the temperature rise of wiring terminals comprises a lower cover and a main control board arranged in the lower cover, wherein the main control board is provided with two wiring terminals of an IGBT and an electromagnetic wire coil; the lower cover is in main control board downside is provided with the groove of collecting temperature, binding post with IGBT is in the projection on the lower cover falls into in the groove of collecting temperature to prevent heat loss.
2. The cooking utensil of claim 1, wherein the heat conducting sheet is a copper foil laid on the front and/or back of the main control board.
3. The cooking utensil capable of monitoring the temperature rise of the connecting terminal as claimed in claim 2, wherein a heat conducting material or a heat insulating material is arranged below the copper foil between the temperature measurement acquisition module and the connecting terminal to promote the heat transfer between the temperature measurement acquisition module and the connecting terminal.
4. The cooking appliance capable of monitoring the temperature rise of the connecting terminal according to claim 2, wherein the copper foil is connected with the temperature measurement acquisition module and the connecting terminal.
5. The cooking appliance capable of monitoring the temperature rise of the wiring terminal according to claim 2, wherein the temperature measurement acquisition module is a thermistor, the copper foil extends to the pin of the IGBT, and the measuring end of the thermistor is connected with the copper foil.
6. The cooking appliance capable of monitoring the temperature rise of the wiring terminal according to claim 2, wherein the temperature measurement acquisition module comprises a first temperature measurement part for measuring the temperature rise of the IGBT and a second temperature measurement part connected with the copper foil.
7. The cooking utensil capable of monitoring the temperature rise of the wiring terminal as claimed in any one of claims 1 to 6, wherein a protruding surrounding rib is arranged at the upper end of the lower cover, and the surrounding rib surrounds the temperature collection groove.
8. The cooking appliance capable of monitoring the temperature rise of the wiring terminals as claimed in any one of claims 1 to 6, wherein the distance between the temperature measurement acquisition module and the wiring terminals is 15-45 mm.
9. The cooking appliance capable of monitoring the temperature rise of the wiring terminal as claimed in any one of claims 1 to 6, comprising a control module, wherein the control module is electrically connected with the temperature measurement acquisition module, and the control module receives the temperature information of the temperature measurement acquisition module.
10. The cooking appliance capable of monitoring the temperature rise of the connection terminals as claimed in claim 9, comprising an alarm unit electrically connected to the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274646.3U CN210568655U (en) | 2019-08-08 | 2019-08-08 | Cooking utensil capable of monitoring temperature rise of wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274646.3U CN210568655U (en) | 2019-08-08 | 2019-08-08 | Cooking utensil capable of monitoring temperature rise of wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210568655U true CN210568655U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921274646.3U Active CN210568655U (en) | 2019-08-08 | 2019-08-08 | Cooking utensil capable of monitoring temperature rise of wiring terminal |
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| Country | Link |
|---|---|
| CN (1) | CN210568655U (en) |
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- 2019-08-08 CN CN201921274646.3U patent/CN210568655U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230907 Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Shandong Jiuchuang Home Appliance Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |
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| TR01 | Transfer of patent right |