CN206212320U - Electromagnetic oven - Google Patents
Electromagnetic oven Download PDFInfo
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- CN206212320U CN206212320U CN201621298471.6U CN201621298471U CN206212320U CN 206212320 U CN206212320 U CN 206212320U CN 201621298471 U CN201621298471 U CN 201621298471U CN 206212320 U CN206212320 U CN 206212320U
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- electromagnetic oven
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- 238000005070 sampling Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract 3
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000012905 input function Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model provides an electromagnetic oven, include: the circuit board is provided with controller, sampling circuit and sound production circuit on this circuit board, and this sampling circuit, sound production circuit all are connected with the same input/output port of controller, and this controller obtains the numerical value signal that sampling circuit gathered through input/output port in the first time quantum, and this controller is through input/output port output control signal in order to control sound production circuit's operating condition in the second time quantum. The technical scheme of the utility model, multiple different functions can be realized to the same input/output port of controller in the time quantum of difference, have effectively avoided because product redevelopment, the development cost that leads to increases, the problem of development cycle extension.
Description
Technical field
The utility model is related to circuit structure technical field, more particularly to a kind of electromagnetic oven.
Background technology
Electromagnetic oven also known as electromagnetic stove, are the products of modern kitchen revolution, and it allows hot straight without naked light or conduction-type heating
The bottom of a pan generation is connected on, therefore the thermal efficiency is greatly improved.
Existing electromagnetic oven mainly uses single-chip microcomputer as controller, by by electromagnetic oven on the wiring board of electromagnetic oven
Each module be connected with input and output (I/O) port of single-chip microcomputer, and then control respectively or manage by each input/output port
Manage the function of each module.For example, the acquisition module of electromagnetic oven and buzzer module connect with two I/O ports of single-chip microcomputer respectively
Connect, using piping for I/O Port Management buzzer, the collection of voltage or current value is responsible for using another I/O port.
But, because the I/O port numbers of single-chip microcomputer are limited, after the wiring board exploitation of electromagnetic oven is completed, in view of certain
When a little demands are extended to the function of electromagnetic oven, in fact it could happen that cannot be extended because the I/O port numbers of single-chip microcomputer are not enough
Problem, can only now be realized by changing the single-chip microcomputer of more I/O ports, can so cause product overlapping development, cause
Development cost increases, the problem of construction cycle extension.
Utility model content
For at least one problem for solving to be mentioned in background technology, the utility model provides a kind of electromagnetic oven, controller
Same input/output port within the different time periods be capable of achieving various difference in functionalitys, effectively prevent due to product repeat open
Hair, caused development cost increases, the problem of construction cycle extension.
The utility model provides a kind of electromagnetic oven, including：Wiring board, is provided with controller, sampling on the wiring board
Circuit and phonation circuit, the sample circuit, the phonation circuit are connected with the same input/output port of the controller；
The controller obtains the number that the sample circuit is collected in first time period by the input/output port
Value signal, the controller is in second time period by the input/output port output control signal controlling sounding electricity
The working condition on road.
So the same input/output port of the device for controlling electromagnetic field oven is capable of achieving various different work(within the different time periods
Can, be capable of the input/output port of rational and efficient use controller limited quantity, the intrinsic resource of controller is performed to it is ultimate attainment,
Effectively prevent to a certain extent due to product overlapping development, caused development cost increases, the problem of construction cycle extension.
In an embodiment of the present utility model, the controller includes：Time-sharing control module；
The Time-sharing control module, is input port, control in the first time period for controlling the input/output port
It is output port in the second time period to make the input/output port.
The Time-sharing control module can control input delivery outlet within the different time periods have different functions, be realize
The time-sharing multiplex of input/output port is laid a good foundation.
In another embodiment of the present utility model, the phonation circuit includes sounding component, and the sounding component is used for
Sound is sent in the presence of the control signal.
Sound is sent using the sounding component, user can be made to recognize the working condition of electromagnetic oven in time, improve use
The experience at family.
In above-described embodiment of the present utility model, the electromagnetic oven also includes：Protection circuit；
The protection circuit is connected between the input/output port and the phonation circuit, for partial pressure and isolation institute
Phonation circuit is stated with the sample circuit.
The protection circuit is both acted on partial pressure, can get the portion voltage of control signal, it is ensured that phonation circuit is just
Often work, can isolate phonation circuit and sample circuit again, it is to avoid phonation circuit produces influence to sample circuit, it is ensured that timesharing
It is multiplexed the accuracy of each circuit of the input/output port.
In above-described embodiment of the present utility model, the protection circuit, including：Current limiting capacitance.
The current limiting capacitance can either ensure that the signal for being input to phonation circuit meets requirement, can damage short in phonation circuit again
Lu Shi, it is to avoid phonation circuit produces influence to sample circuit.
In another embodiment of the present utility model, the sample circuit is temperature sampling circuit, the temperature sampling electricity
Road includes：Temperature sensor, socket and divider resistance；
The temperature sensor is connected by the socket with the input/output port, one end of the divider resistance and base
Quasi- power supply connection, the other end of the divider resistance is connected with the socket.
So controller can get the numerical signal that sample circuit is collected in first time period, and then can basis
The numerical signal controls the working condition of electromagnetic oven.
In above-described embodiment of the present utility model, the sample circuit also includes：Filter circuit, the filter circuit connects
It is connected between the socket and the input/output port.
The filter circuit can effectively filter out the high-frequency noise in sample circuit, it is ensured that controller passes through the input/output port
The corresponding voltage of numerical signal for getting is smoothed, and improves the degree of accuracy of numerical signal.
Construction of the present utility model and its other utility model purposes and beneficial effect will be by with reference to accompanying drawings
Description of preferred embodiments and it is more obvious understandable.
Brief description of the drawings
The electrical block diagram of the electromagnetic oven embodiment one that Fig. 1 is provided for the utility model；
The electrical block diagram of the electromagnetic oven embodiment two that Fig. 2 is provided for the utility model；
The circuit theory diagrams of the electromagnetic oven that Fig. 3 is provided for the utility model embodiment.
Reference：
100：Wiring board； 1：Controller； 2：Sample circuit；
3：Phonation circuit； 10：Input/output port； 11：Time-sharing control module；
31：Sounding component； 4：Reference power supply； 5：Protection circuit；
21：Temperature sensor； 22：Filter circuit.
Specific embodiment
Embodiment one
The electrical block diagram of the electromagnetic oven embodiment one that Fig. 1 is provided for the utility model.As shown in figure 1, this implementation
The electromagnetic oven that example is provided, including：Wiring board 100, is provided with controller 1, sample circuit 2 and phonation circuit on the wiring board 100
3.The sample circuit 2, phonation circuit 3 are connected with the same input/output port 10 of controller 1.
Specifically, controller 1 obtains the number that sample circuit 2 is collected in first time period by the input/output port 10
Value signal, controller 1 passes through the output control signal of input/output port 10 to control the work of phonation circuit 3 in second time period
Make state.
Used as a kind of example, controller 1 can be realized using single-chip microprocessor MCU, it would however also be possible to employ digital signal processor DSP
Realize.What the present embodiment did not limit controller 1 implements form, as long as having input/output port, can realize defeated
Entering can be used with the device of output function.
The present embodiment is illustrated so that controller 1 is as single-chip microprocessor MCU as an example.Under normal circumstances, single-chip microcomputer has multiple defeated
Enter output (I/O) port, each input and output (I/O) port can be connected with external circuit.Specifically, when the input of single-chip microcomputer
When output (I/O) port is input port, the numerical signal that single-chip microcomputer passes through input/output port acquisition external circuit, and
When input and output (I/O) port of single-chip microcomputer is output port, single-chip microcomputer passes through the input/output port output control signal control
The working condition of external circuit processed.
In the present embodiment, when using electromagnetic oven, in order to accurately control the working condition of electromagnetic oven, the line of the electromagnetic oven
Sample circuit 2 is provided with road plate 100, using the numerical signal of each module in the sample circuit 2 collection electromagnetic oven, so that control
Device 1 obtains the numerical signal by the input/output port 10, and the working condition of electromagnetic oven is adjusted according to the numerical signal, and then
Further improve the thermal efficiency of electromagnetic oven.
What deserves to be explained is, above-mentioned numerical signal can be temperature detecting module detect be positioned over electromagnetic oven heating face
Pan temperature value on plate, or each module current value and magnitude of voltage.The utility model embodiment not logarithm value signal
Specific manifestation form be defined, as long as represent that the numerical signal of electromagnetic oven service behaviour or working condition belongs to this reality
Apply the protection category of example.
Additionally, be provided with phonation circuit 3 on the wiring board 100 of electromagnetic oven, the phonation circuit 3 start working in electromagnetic oven or
During person's transformation working condition, the newest working condition of user's electromagnetic oven is notified by sending sound.For example, when user is by pressing off
During beginning key, controller 1 controls the phonation circuit 3 to send sound by the output control signal of input/output port 10, notifies user's electricity
Magnetic stove enters operational mode state, and when each power button on user's pressing electromagnetic stove control panel, the phonation circuit 3 sends
The corresponding heated condition of entrance corresponding power of sound notification user's electromagnetic oven.
In the utility model embodiment, controller 1 has time-division processing function, and what it can be performed electromagnetic oven appoints
Business is distributed in different working time sections and performs, and then makes controller 1 that different tasks are performed within the different time periods.Example
Such as, controller 1 can obtain the numerical signal that sample circuit 2 is collected in first time period by the input/output port 10, and
Pass through the output control signal of input/output port 10 in second time period to control the working condition of phonation circuit 3.
Used as a kind of example, the electromagnetic oven that the present embodiment is provided may also include other circuits or module, for example, thermometric is electric
Road, radio transmitter or wireless receiving circuit etc..The present embodiment does not limit electromagnetic oven and specifically constitutes, and designer can
The function to electromagnetic oven is extended as needed, increases or decreases the various circuits set on wiring board 100.
The electromagnetic oven that the utility model embodiment is provided, including wiring board, are provided with controller, sampling electricity on the wiring board
Road and phonation circuit, the sample circuit, phonation circuit are connected with the same input/output port of controller, and controller exists
The numerical signal that sample circuit is collected is obtained by the input/output port in first time period, controller is in second time period
By the input/output port output control signal to control the working condition of phonation circuit, the same input of such controller is defeated
Outlet is capable of achieving various different functions within the different time periods, is so capable of rational and efficient use controller limited quantity
Input/output port, the intrinsic resource of controller is performed to it is ultimate attainment, effectively prevent to a certain extent due to product repeat open
Hair, caused development cost increases, the problem of construction cycle extension.
Embodiment two
On the basis of embodiment illustrated in fig. 1, the circuit structure of the electromagnetic oven embodiment two that Fig. 2 is provided for the utility model
Schematic diagram.As shown in Fig. 2 in the electromagnetic oven that the present embodiment is provided, controller noted above 1 includes：Time-sharing control module 11.
The Time-sharing control module 11, for control input delivery outlet 10 the first time period be input port, control
Input/output port 10 is output port in the second time period.
Used as a kind of example, the controller 1 includes a Time-sharing control module 11, and controller 1 utilizes the Time-sharing control module
The functional status of 11 control input delivery outlets 10.Specifically, in first time period, the output of the control input of Time-sharing control module 11
Mouth 10 is input port, and in second time period, the control input delivery outlet 10 of Time-sharing control module 11 is output port.
Herein, described first time period and second time period are a relative concepts, and it can be electromagnetic oven work
Any time period, but within each time period, the input/output port 10 only has One function, i.e., with input function or
Output function.
For example, when the numerical signal that the controller 1 of electromagnetic oven needs the external circuits such as acquisition Acquisition Circuit to get, should
Time-sharing control module 11 then controls the input/output port 10 only with input function, and needs output information to pass through in electromagnetic oven
When phonation circuit 3 sends sound, the Time-sharing control module 11 then controls the input/output port 10 only with output function.
The Time-sharing control module can control input delivery outlet within the different time periods have different functions, be realize
The time-sharing multiplex of input/output port is laid a good foundation.
Further, the circuit theory diagrams of the electromagnetic oven that Fig. 3 is provided for the utility model embodiment.Such as Fig. 2 and Fig. 3 institutes
Show, in the electromagnetic oven that the utility model embodiment is provided, above-mentioned phonation circuit 3 includes sounding component 31.
The sounding component 31 is used to send sound in the presence of control signal.
In an embodiment of the present utility model, phonation circuit 3 at least includes a sounding component 31, passes through in controller 1
During above-mentioned 10 output control signal of input/output port, the control signal acts on the sounding component 31, so that it sends sound.
Sound is sent using the sounding component, user can be made to recognize the working condition of electromagnetic oven in time, improve use
The experience at family.
In the embodiment that utility model is provided, the electromagnetic oven also includes reference power supply 4, the reference power supply 4 and sounding electricity
Road 3 connects, for providing electric energy for phonation circuit 3.
In one embodiment, the sounding component 31 can be buzzer or loudspeaker, or other there is sounding
The component of function, as long as the component that can send sound can be used in the present embodiment, falls within this implementation
The protection category of example.
Further, as shown in Figures 2 and 3, the electromagnetic oven that the utility model embodiment is provided also includes：Protection circuit
5。
The protection circuit 5 is connected between input/output port 10 and phonation circuit 3, for partial pressure and isolation phonation circuit
3 with sample circuit 2.
Specifically, because the voltage swing that controller 1 passes through the control signal that input/output port 10 is exported may be with sounding
The operating voltage of circuit 3 is inconsistent, therefore, increase by a protection circuit 5 between controller 1 and phonation circuit 3, using the protection
5 points of circuit falls the portion voltage of control signal, and then is applied to the voltage swing of phonation circuit 5 and the work of phonation circuit 3
Voltage is consistent, and the sounding component 31 in such phonation circuit 3 sends sound under the control action of the control signal, and then realizes
The purpose of electromagnetic oven sounding.
Further, since phonation circuit 3 and sample circuit 2 are both connected to the same input/output port 10 of controller 1, in order to
Phonation circuit 3 is avoided to produce influence to sample circuit 2, the present embodiment sets by between input/output port 10 and phonation circuit 3
Protection circuit 5 is put, the protection circuit 5 is again connected between phonation circuit 3 and sample circuit 2, therefore, it is possible to by phonation circuit 3
Keep apart with sample circuit 2.
The protection circuit is both acted on partial pressure, can get the portion voltage of control signal, it is ensured that phonation circuit is just
Often work, can isolate phonation circuit and sample circuit again, it is to avoid phonation circuit produces influence to sample circuit, it is ensured that timesharing
It is multiplexed the accuracy of each circuit of the input/output port.
As a kind of example, as shown in figure 3, in the electromagnetic oven that the utility model is provided, above-mentioned protection circuit 5, including：
Current limiting capacitance C1.
For example, as shown in figure 3, above-mentioned sounding component 31 is realized using buzzer BZ1.Specifically, buzzer BZ1
With two pins, the pin 2 of buzzer BZ1 is connected with reference power supply 4, and the reference voltage of the reference power supply 4 output is 5V, honeybee
The pin 1 of ring device BZ1 is connected with the first end of current limiting capacitance C1, and second end of current limiting capacitance C1 is above-mentioned defeated with controller 1
Enter delivery outlet 10 to connect, the input/output port 10 is chosen as the pin 15 of controller 1.
In actual applications, the drive signal of buzzer BZ1 is 4KHZ square waves, and controller 1 passes through above-mentioned input/output port
10 control signals of the output comprising 4KHZ square waves, using current limiting capacitance C1 current limliting partial pressures, it can not only ensure control signal
In 4KHZ square waves pass through, and buzzer BZ1 damage short circuit when, can prevent what is be connected with the pin 2 of buzzer BZ1 again
The input/output port 10 of the direct transmission control unit (TCU) 1 of 5V reference voltage signals of the output of reference power supply 4, so as to avoid benchmark electricity
Pressure produces influence to sample circuit 2.That is, the current limiting capacitance can either ensure that the voltage swing for being input to phonation circuit meets wanting
Ask, again can be when phonation circuit damages short circuit, it is to avoid phonation circuit produces influence to sample circuit.
Further, as shown in figure 3, in the electromagnetic oven that the utility model embodiment is provided, above-mentioned sample circuit 2 is temperature
Degree sample circuit, the temperature sampling circuit includes：Temperature sensor 21, socket CN1 and divider resistance R1.
The temperature sensor 21 is connected by socket CN1 with input/output port 10, one end of divider resistance R1 and benchmark
Power supply 4 is connected, and the other end of divider resistance R1 is connected with socket CN1.
Specifically, the temperature sensor 21 can be realized by thermistor.As shown in figure 3, one end of divider resistance R1 with
Reference power supply 4 is connected, using the 5V voltages of the output of reference power supply 4 for temperature sampling circuit is powered, the other end of divider resistance R1
It is connected with socket CN1.
As a kind of example, when socket CN1 is 3 pin sockets (3pin socket), the other end of divider resistance R1 with
The pin 1 of socket CN1 is connected, and the pin 2 and pin 3 of socket CN1 are grounded, and thermistor is connected to temperature sampling by socket CN1
In circuit.
In actual applications, in first time period, when thermistor changes because of temperature change its resistance, socket
The pin 1 of CN1, its output voltage signal changes, the output voltage signal of pin 1 of CN1 by pass to controller 1 this is defeated
Enter delivery outlet 10 (i.e. pin 15), controller 1 makes corresponding place according to the temperature that the voltage for getting calculates thermistor
Reason.
The electromagnetic oven that the present embodiment is provided, the sample circuit is temperature sampling circuit, and the temperature sampling circuit includes temperature
Sensor, socket and divider resistance, the temperature sensor are connected by socket with input/output port, one end of the divider resistance with
Reference power supply is connected, and the other end of divider resistance is connected with socket, and such controller can get in first time period and adopt
The numerical signal that sample circuit is collected, and then the working condition of electromagnetic oven can be controlled according to the numerical signal.
Further, as shown in Figures 2 and 3, in the electromagnetic oven that the utility model embodiment is provided, above-mentioned sample circuit
2 also include：Filter circuit 22, the filter circuit 22 is connected between socket CN1 and input/output port 10.
Specifically, as shown in figure 3, the filter circuit 22 includes filter resistance R2 and filter capacitor C2, filter capacitor C2
First end be connected with filter resistance R2, second end of filter capacitor C2 ground connection, the first termination partial pressure electricity of filter resistance R2
Resistance R1 and filter capacitor C2, second end of filter resistance R2 is connected with above-mentioned input/output port 10.The filter circuit 22 can have
Effect filters the high-frequency noise in sample circuit 2, it is ensured that the numerical signal correspondence that controller 1 is got by the input/output port 10
Voltage smooth, improve the degree of accuracy of numerical signal.
What deserves to be explained is, the task of electromagnetic oven is divided into multiple by the electromagnetic oven that the utility model is provided using controller 1
Time period, different tasks are performed within the different time periods, so as to various work(can be realized using same input/output port 10
Energy.
Specifically, as shown in figure 3, in second time period, when the buzzer in phonation circuit 3 needs to pipe, controlling
The pin 15 of device 1 switches to output function, performs buzzer call task, control signal of the output comprising 4KHZ square waves.
In one time period, when the buzzer in phonation circuit 3 need not pipe, the pin 15 of controller 1 switches to input function, this
When controller 1 the sampling of pin 15 obtain socket CN1 the position of pin 1 magnitude of voltage, calculate actual temperature.The two functions
Realized within the different time periods, therefore both are independent of each other.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of electromagnetic oven, including：Wiring board (100), controller (1), sample circuit are provided with the wiring board (100)
And phonation circuit (3) (2), it is characterised in that the sample circuit (2), the phonation circuit (3) with the controller (1)
Same input/output port (10) connection；
The controller (1) obtains the sample circuit (2) and gathers in first time period by the input/output port (10)
The numerical signal for arriving, the controller (1) in second time period by the input/output port (10) output control signal with
Control the working condition of the phonation circuit (3).
2. electromagnetic oven according to claim 1, it is characterised in that the controller (1) includes：Time-sharing control module
(11)；
The Time-sharing control module (11), is input in the first time period for controlling the input/output port (10)
Mouthful, it is output port in the second time period to control the input/output port (10).
3. electromagnetic oven according to claim 1, it is characterised in that the phonation circuit (3) includes sounding component (31), institute
Sounding component (31) is stated for sending sound in the presence of the control signal.
4. electromagnetic oven according to claim 3, it is characterised in that the electromagnetic oven also includes：Protection circuit (5)；
The protection circuit (5) is connected between the input/output port (10) and the phonation circuit (3), for partial pressure and
Isolate the phonation circuit (3) with the sample circuit (2).
5. electromagnetic oven according to claim 4, it is characterised in that the protection circuit (5), including：Current limiting capacitance (C1).
6. electromagnetic oven according to claim 1, it is characterised in that the sample circuit (2) is temperature sampling circuit, described
Temperature sampling circuit includes：Temperature sensor (21), socket (CN1) and divider resistance (R1)；
The temperature sensor (21) is connected by the socket (CN1) with the input/output port (10), the divider resistance
(R1) one end is connected with reference power supply (4), and the other end of the divider resistance (R1) is connected with the socket (CN1).
7. electromagnetic oven according to claim 6, it is characterised in that the sample circuit (2) also includes：Filter circuit
(22), the filter circuit (22) is connected between the socket (CN1) and the input/output port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298471.6U CN206212320U (en) | 2016-11-29 | 2016-11-29 | Electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298471.6U CN206212320U (en) | 2016-11-29 | 2016-11-29 | Electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206212320U true CN206212320U (en) | 2017-05-31 |
Family
ID=58754275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298471.6U Expired - Fee Related CN206212320U (en) | 2016-11-29 | 2016-11-29 | Electromagnetic oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206212320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696902A (en) * | 2018-12-06 | 2019-04-30 | 奇瑞汽车股份有限公司 | A kind of signal recording apparatus, fault point detection circuit and method |
-
2016
- 2016-11-29 CN CN201621298471.6U patent/CN206212320U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696902A (en) * | 2018-12-06 | 2019-04-30 | 奇瑞汽车股份有限公司 | A kind of signal recording apparatus, fault point detection circuit and method |
| CN109696902B (en) * | 2018-12-06 | 2022-06-10 | 奇瑞汽车股份有限公司 | Signal recording device, fault point detection circuit and method |
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