CN220872641U - Control panel for detecting quality of heating sheet - Google Patents
Control panel for detecting quality of heating sheet Download PDFInfo
- Publication number
- CN220872641U CN220872641U CN202322448923.0U CN202322448923U CN220872641U CN 220872641 U CN220872641 U CN 220872641U CN 202322448923 U CN202322448923 U CN 202322448923U CN 220872641 U CN220872641 U CN 220872641U
- Authority
- CN
- China
- Prior art keywords
- heating sheet
- heating
- control panel
- module
- control board
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 111
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims description 2
- 206010053615 Thermal burn Diseases 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 8
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 230000007488 abnormal function Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 iron-chromium-aluminum Chemical compound 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses a control board for detecting the quality of a heating sheet, which comprises a control board mounting seat and a control board main body, wherein the control board mounting seat is fixedly arranged on the upper end face of the control board main body, a mounting box is arranged on the upper end face of the control board mounting seat, a ventilation cover is arranged on the upper end face of the mounting box, an input end is arranged on the inner side of the ventilation cover, an output end is arranged on one side of the ventilation cover, a heating sheet internal resistance detection module is arranged on the inner side of the ventilation cover, the heating sheet internal resistance detection module comprises a singlechip, a current detection resistor and a voltage division circuit module, a current detection resistor on one side of the singlechip, and a MOS (metal oxide semiconductor) tube control module is arranged on one end of the current detection resistor. According to the utility model, the resistance value in the heating process of the heating sheet is measured and calculated and compared, so that the heating operation of the overheated heating sheet is stopped, and the potential safety hazard caused by the fact that the heating wire fires or scalds a consumer due to the fact that the local temperature of the heating wire is too high is prevented.
Description
Technical Field
The utility model relates to the technical field of control boards, in particular to a control board for detecting whether a heating sheet is good or not.
Background
The heating wire is made of iron-chromium-aluminum and nickel-chromium electrothermal alloy, the oxidation resistance is strong, the diameter thickness of the heating wire is a parameter related to the highest use temperature, the larger the diameter of the heating wire is, the easier the deformation problem at high temperature is overcome, the service life of the heating wire is prolonged, the heating wire power supply mode mainly comprises a CV constant voltage mode and a CC constant current mode, and then electric energy is directly converted into heat energy.
The existing heating sheet has no abnormal function of detecting heating, and when the heating sheet is abnormal, for example, a heating wire of the heating sheet is short-circuited, and the heating wire breaks, so that the temperature at a certain point is abnormal, and the potential safety hazard of a customer is caused by fire and scald; therefore, the prior requirements are not met, and a control board for detecting whether the heating sheet is good or not is provided.
Disclosure of utility model
The utility model aims to provide a control board for detecting whether a heating sheet is good or not, so as to solve the problems that the existing heating sheet provided in the background art does not detect abnormal heating functions, and when the heating sheet is abnormal, for example, a heating wire of the heating sheet is short-circuited, broken and the like, the temperature of a certain point is abnormal, so that the potential safety hazard of a customer is burnt.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detect control panel of heating plate quality, includes control panel mount pad and control panel main part, the up end fixed mounting of control panel main part has the control panel mount pad, the mounting box is installed to the up end of control panel mount pad, the ventilation cap is installed to the up end of mounting box, the input is installed to the inboard of ventilation cap, one side of ventilation cap is equipped with the output, the inboard of mounting box is equipped with the internal resistance detection module of heating plate, the internal resistance detection module of heating plate includes singlechip, electric current detection resistance and bleeder circuit module, one side electric current detection resistance of singlechip, MOS pipe control module is installed to the one end of electric current detection resistance, bleeder circuit module is installed to one side of MOS pipe control module.
Preferably, the current detection resistor and the voltage division circuit module are electrically connected with the heating sheet main body, and the heating sheet internal resistance detection module is connected with the control panel main body through an input end and an output end.
Preferably, the chip of the control panel main body is a single chip microcomputer control management chip, and the model of the single chip microcomputer control management chip is PMS133.
Preferably, the MOS tube control module is connected with an input circuit of the heating sheet main body, and the model of the MOS tube control module is JST35N60D3.
Preferably, voltages at two ends of the current detection resistor are detected by a single chip microcomputer, and the voltage and the resistor on the current detection resistor are measured and calculated by the single chip microcomputer to obtain the on-state current.
Preferably, the singlechip detects the voltages at two ends of the heating sheet main body through the voltage dividing circuit module and obtains the heating sheet voltage, and the singlechip obtains the heating sheet resistance through conducting current and heating sheet voltage measurement.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model connects the current detection resistor and the voltage dividing circuit module with the heating sheet main body through electricity, and connects the power supply, the voltage at two ends of the current detection resistor is detected by the single-chip microcomputer, the voltage and the resistance on the current detection resistor are measured and calculated by the single-chip microcomputer to obtain the conducting current, the single-chip microcomputer is used for detecting the voltage at two ends of the heating sheet main body through the voltage dividing circuit module to obtain the heating sheet voltage, and the single-chip microcomputer is used for measuring and calculating the conducting current and the heating sheet voltage to obtain the heating sheet resistance;
2. According to the utility model, the MOS tube control module is connected with the input circuit of the heating sheet main body, so that the MOS tube control module can compare the resistance value of the heating sheet main body with the resistance range of the heating wires in the standard heating sheet, and the heating wires with abnormal resistance values stop the heating operation of the heating wires by controlling the MOS, so that the potential safety hazard caused by heating wire fire or scalding consumers due to overhigh local temperature of the heating wires is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a side view of the entirety of the present utility model;
FIG. 3 is a schematic diagram of a heat-generating sheet internal resistance detection module according to the present utility model;
FIG. 4 is a schematic flow chart of the resistance detection according to the present utility model.
In the figure: 1. a control board mounting seat; 2. a control panel main body; 3. a mounting box; 4. a ventilation cover; 5. an input end; 6. an output end; 7. a single chip microcomputer; 8. a current detection resistor; 9. a voltage dividing circuit module; 10. a MOS tube control module; 11. a heating sheet main body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 4, an embodiment of the present utility model provides: the utility model provides a control panel of detection heating plate quality, includes control panel mount pad 1 and control panel main part 2, and control panel mount pad 1 is fixed to control panel main part 2's up end, and mounting box 3 is installed to control panel mount pad 1's up end, and ventilation cap 4 is installed to mounting box 3's up end, and input 5 is installed to ventilation cap 4's inboard, and one side of ventilation cap 4 is equipped with output 6, and mounting box 3's inboard is equipped with heating plate internal resistance detection module;
The heating sheet internal resistance detection module comprises a single chip microcomputer 7, a current detection resistor 8 and a voltage dividing circuit module 9, wherein the current detection resistor 8 on one side of the single chip microcomputer 7 detects voltages at two ends of the current detection resistor 8 through the single chip microcomputer 7, the resistors on the voltage and current detection resistor 8 are measured and calculated through the single chip microcomputer 7 to obtain conducting current, an MOS tube control module 10 is installed at one end of the current detection resistor 8, the voltage dividing circuit module 9 is installed on one side of the MOS tube control module 10, the current detection resistor 8 and the voltage dividing circuit module 9 are both connected with a heating sheet main body 11 through electrical properties, the heating sheet internal resistance detection module is connected with a control panel main body 2 through an input end 5 and an output end 6, a chip of the control panel main body 2 is a single chip microcomputer control management chip, and the model of the single chip microcomputer control management chip is PMS133;
The resistance value of the heating sheet in the heating process is measured and calculated and compared integrally, so that the overheating heating sheet is stopped to heat, and the potential safety hazard caused by the fact that the heating wire is heated or a consumer is scalded due to the fact that the local temperature of the heating wire is too high is prevented.
The voltage at two ends of the current detection resistor 8 is detected through the singlechip 7, the voltage and the resistor on the current detection resistor 8 are measured and calculated through the singlechip 7 to obtain conducting current, the singlechip 7 is used for detecting the voltage at two ends of the heating sheet main body 11 through the voltage dividing circuit module 9 and obtaining the heating sheet voltage, the singlechip 7 is used for measuring and calculating the conducting current and the heating sheet voltage to obtain the heating sheet resistor, and the heating sheet internal resistance detection module can be used for measuring and calculating the resistance value of the heating sheet.
The MOS tube control module 10 is connected with an input circuit of the heating sheet main body 11, and the model of the MOS tube control module 10 is JST35N60D3, so that the MOS tube control module 10 can compare the resistance value of the heating sheet main body 11 with the resistance range of the heating wire in the standard heating sheet according to the resistance value of the heating sheet main body 11, and the heating wire with the abnormal resistance value stops the heating operation of the heating wire by controlling the MOS, so that the heating wire is prevented from being heated up due to the fact that the local temperature of the heating wire is too high or potential safety hazards caused by scalding consumers are prevented.
When the control board for detecting whether the heating sheet is good or bad is used, the control board main body 2 and the ventilation cover 4 are fixedly connected through the control board mounting seat 1, the heating sheet internal resistance detection module is arranged on the inner side of the mounting box 3 and connected with the control board main body 2 through the input end 5 and the output end 6, the heating sheet internal resistance detection module comprises a single chip microcomputer 7, a current detection resistor 8 and a voltage dividing circuit module 9, the current detection resistor 8 and the voltage dividing circuit module 9 are connected with the heating sheet main body 11 through electrical property, a power supply is connected, the voltages at two ends of the current detection resistor 8 are detected through the single chip microcomputer 7, the voltage at two ends of the heating sheet main body 11 is detected through the voltage dividing circuit module 9, the single chip microcomputer 7 obtains the heating sheet resistance through the voltage dividing circuit module 9, and the MOS tube control module 10 is connected with an input circuit of the heating sheet main body 11 at the same time, the MOS tube control module 10 can compare the resistance value of the heating sheet main body 11 with the resistance range of a heating wire in a standard heating sheet, the heating wire has the potential safety hazard that the heating wire is burnt by controlling the heating wire to stop of the heating wire, and the heating wire is prevented from being burnt or the potential of a user due to the fact that the heating wire is high in a local operation is caused by the abnormal heating wire.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a detect control panel of heating panel quality, includes control panel mount pad (1) and control panel main part (2), its characterized in that: the utility model discloses a control panel, including control panel main part (2), control panel main part (2) up end fixed mounting has control panel mount pad (1), mounting box (3) are installed to the up end of control panel mount pad (1), ventilation cap (4) are installed to the up end of mounting box (3), input (5) are installed to the inboard of ventilation cap (4), one side of ventilation cap (4) is equipped with output (6), the inboard of mounting box (3) is equipped with the internal resistance detection module of piece that generates heat, the internal resistance detection module of piece that generates heat includes singlechip (7), current detection resistance (8) and bleeder circuit module (9), MOS pipe control module (10) are installed to one side current detection resistance (8) one end, bleeder circuit module (9) are installed to one side of MOS pipe control module (10).
2. The control board for detecting the quality of heating sheets according to claim 1, wherein: the current detection resistor (8) and the voltage division circuit module (9) are electrically connected with the heating sheet main body (11), and the heating sheet internal resistance detection module is connected with the control panel main body (2) through the input end (5) and the output end (6).
3. The control board for detecting the quality of heating sheets according to claim 1, wherein: the chip of the control panel main body (2) is a singlechip control management chip, and the model of the singlechip control management chip is PMS133.
4. The control board for detecting the quality of heating sheets according to claim 1, wherein: the MOS tube control module (10) is connected with an input circuit of the heating sheet main body (11), and the model of the MOS tube control module (10) is JST35N60D3.
5. The control board for detecting the quality of heating sheets according to claim 1, wherein: the voltage at two ends of the current detection resistor (8) is detected by the single chip microcomputer (7), and the voltage and the resistor on the current detection resistor (8) are measured and calculated by the single chip microcomputer (7) to obtain the on-state current.
6. The control board for detecting the quality of the heating sheet according to claim 5, wherein: the single chip microcomputer (7) detects the voltages at two ends of the heating sheet main body (11) through the voltage dividing circuit module (9) and obtains the heating sheet voltage, and the single chip microcomputer (7) obtains the heating sheet resistance through conducting current and heating sheet voltage measurement and calculation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322448923.0U CN220872641U (en) | 2023-09-11 | 2023-09-11 | Control panel for detecting quality of heating sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322448923.0U CN220872641U (en) | 2023-09-11 | 2023-09-11 | Control panel for detecting quality of heating sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220872641U true CN220872641U (en) | 2024-04-30 |
Family
ID=90813427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322448923.0U Active CN220872641U (en) | 2023-09-11 | 2023-09-11 | Control panel for detecting quality of heating sheet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220872641U (en) |
-
2023
- 2023-09-11 CN CN202322448923.0U patent/CN220872641U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201532590U (en) | Temperature and humidity controller | |
CN205690454U (en) | A kind of detection device of pot partially and electromagnetic oven | |
CN109613426B (en) | Aging diagnosis method for plum blossom contact of high-voltage circuit breaker | |
CN106450960A (en) | Controller based smart socket and current, voltage and temperature monitoring protection method | |
CN220872641U (en) | Control panel for detecting quality of heating sheet | |
CN209486252U (en) | A kind of CT automatic electricity getting switch cubicle detection device and system | |
CN205967724U (en) | Intelligence electric iron | |
CN216086141U (en) | Power adapter | |
CN210129966U (en) | Thick film heater | |
CN209264886U (en) | The detection system of quality is electrically connected between a kind of conductor | |
CN206132237U (en) | Temperature measurement warning fastener | |
CN209043481U (en) | The detection system of the temperature of the pole of the connector of power battery | |
CN110912838B (en) | Switch with heating function | |
CN207114613U (en) | A kind of Electromagnetic Heating utensil and current sensing means | |
CN210346944U (en) | Temperature detection device for press-fit unit | |
CN109375044A (en) | The method and system of quality are electrically connected between a kind of detection conductor | |
CN220962252U (en) | Temperature detection control circuit suitable for kettle | |
CN206992027U (en) | A kind of breaker with overload-alarm non-tripping function | |
CN117515821A (en) | Control method, device and equipment of electric heater and storage medium | |
CN210694386U (en) | Constant-temperature heating device for electrode plate of medical instrument | |
CN217935985U (en) | Electric blanket capable of intelligently controlling heating | |
CN214621521U (en) | PTC electric heating piece detection circuit and electric blanket | |
CN218994407U (en) | Outdoor power supply device with temperature and humidity display function | |
CN219657802U (en) | Cooling detection device and circuit of heating element | |
CN208091488U (en) | A kind of multiple agent detection device of model uncertainty |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |