CN206975133U - Electromagnetic oven can present formula electronic load - Google Patents
Electromagnetic oven can present formula electronic load Download PDFInfo
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- CN206975133U CN206975133U CN201720585333.4U CN201720585333U CN206975133U CN 206975133 U CN206975133 U CN 206975133U CN 201720585333 U CN201720585333 U CN 201720585333U CN 206975133 U CN206975133 U CN 206975133U
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Abstract
Electromagnetic oven aging technical field is the utility model is related to, more particularly to a kind of electromagnetic oven can present formula electronic load.The electromagnetic oven of the present embodiment can present formula electronic load, and by the energy coupling of coupling coil and electromagnetic stove coil, the mode that replacement is heated up water with pot makes electromagnetic oven keep working condition, can simplify burn-in test process, improves security, using water wisely；The energy regenerating of coupling coil is used again by inverter circuit, using electricity wisely；By the way that formula electronic load can be presented using the electromagnetic oven in burn-in test process, realize automatic test, efficiency and testing reliability are improved while human cost is reduced, and the information system management of automated production is carried out by wireless communication module, is advantageous to the product control and improvement of product.
Description
Technical field
Electromagnetic oven aging technical field is the utility model is related to, more particularly to electromagnetic oven can present formula electronic load.
Background technology
Electromagnetic oven also known as electromagnetic stove, by high-frequency induction heating coil (i.e. magnet exciting coil), RF power conversion equipment, control
The part such as device and ferromagnetic material the bottom of a pan cooker forms, and is without naked light or conduction heating, passes through magnetic field induction eddy heating for heating mode
To heat a kind of new kitchen of food.In use, being passed through alternating current in heating coil, an alternation magnetic is just produced around coil
, when the magnetic line of force is by the bottom of iron pot in magnetic field, the magnetic line of force is cut, and so as to produce countless small vortex, makes iron pot
The iron atom of itself rotates at a high speed and produces collision friction heat and directly heat in food, so as to reach the purpose cooked.Electricity
Magnetic stove have temperature rise is fast, the thermal efficiency is high, the flames of anger, smoke dust, without pernicious gas, to surrounding environment produce heat radiation it is few, volume
It is small, it is safe the advantages that, electromagnetic oven increasingly receives an acclaim in existing culinary art.
And after the completion of being produced for electromagnetic oven, will through and dispatching from the factory burn-in test to verify the quality of its performance.Traditional
Electromagnetic oven aging is to add water using pot, and full power start a period of time heats up water, and sees whether there is anomaly whether to differentiate electromagnetic oven
Reach factory calibration.So electric energy switchs to heat energy and passed in environment completely, loses electric energy, and wastes water resource, and makes environment
Temperature improves, and causes working environment severe, also hinders automaticity lifting, all unfavorable to the control of production and quality.
The content of the invention
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provide one kind can be in electromagnetism
Formula electronic load can be presented instead of the electromagnetic oven of pot in stove aging, reaches the purpose for saving electric energy and water resource.
The purpose of this utility model is achieved through the following technical solutions：
Formula electronic load can be presented by providing a kind of electromagnetic oven, including be sequentially connected inductively receiving circuit, electronic load
Module, dc bus and output end are connected to the inversion unit of power network, and the signal output part of the electronic load module is connected with
Wireless communication module, the inductively receiving circuit include multiple coupling coils, and each coupling coil output end is connected with
Rectifying and wave-filtering and power control circuit all the way, the output end of every road rectifying and wave-filtering and power control circuit are all connected to electronic load
An electronic load in module, each coupling coil and corresponding electromagnetic stove coil sensing generation alternating voltage, should
The rectified filtering of alternating voltage and power control circuit generation steady dc voltage, the DC voltage through electronic load module and
Dc bus is transferred to the inverter circuit, so as to generate the AC voltages transmission matched with line voltage to power network.
Preferably, the inversion unit includes main control unit and the inversion being connected in turn between dc bus and power network
Circuit, filter circuit, isolating transformer, the inverter circuit are connected to the main control unit by an inverse changing driving circuit.
Preferably, the inverter circuit is full bridge inverter, half-bridge inversion circuit, three-phase inverting circuit or isolated
Inverter circuit.
Preferably, the coupling coil of the inductively receiving circuit is identical with electromagnetic stove coil model.
Preferably, the wireless communication module be Wifi communication modules, EnOcean communication modules, Zigbee communication module,
Z-Wave communication modules or Bluetooth communication modules.
Preferably, the rectifying and wave-filtering and power control circuit include rectifier bridge, LC filter circuits and voltage conversion circuit.
Preferably, the power network is single-phase alternating current pressure network or three-phase alternating current pressure network.
Formula electronic load can be presented by electromagnetic oven of the present utility model, can be heated up water always using iron pan instead of traditional electromagnetic oven
Change test, there is some following beneficial effect：
1st, by the energy coupling of coupling coil and electromagnetic stove coil, electronic load is connected to, replacement is heated up water with pot
Mode makes electromagnetic oven keep working condition, can simplify burn-in test process, improves security, using water wisely.
2nd, the energy regenerating of coupling coil is used again by inverter circuit, using electricity wisely.
3rd, formula electronic load can be presented by electromagnetic oven and realizes automatic test, reduce human cost, improve testing reliability
And efficiency.
4th, the information system management of automated production is carried out by wireless communication module, is advantageous to the product control and improvement of product.
Brief description of the drawings
Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed to of the present utility model
Any restrictions, on the premise of not paying creative work, can also be according to following attached for one of ordinary skill in the art
Figure obtains other accompanying drawings.
Fig. 1 is the system block diagram that the utility model electromagnetic oven can present formula electronic load.
Fig. 2 is the system block diagram for the inversion unit that the utility model electromagnetic oven can present formula electronic load.
Fig. 3 is the inverter circuit structural representation that the utility model electromagnetic oven can present formula electronic load.
Embodiment
The utility model is further described with the following Examples.
Burn-in test is carried out by automatic production line simultaneously to multiple electromagnetic ovens, as shown in figure 1, inductively receiving electricity
Road, electronic load module, dc bus, inversion unit, power network and electromagnetic oven are sequentially connected.Wherein, inductively receiving circuit
Including multiple coupling coils, each coupling coil is identical with electromagnetic stove coil model, can strengthen induction coil and electromagnetism with this
Inductively ability between stove coil, so as to lift the efficiency of transmission of energy.Each coupling coil corresponds to an electromagnetic oven,
And rectifying and wave-filtering all the way and power control circuit are connected with, the output end of every road rectifying and wave-filtering and power control circuit all connects
An electronic load into electronic load module, each electronic load are connected to dc bus, can be with by dc bus
The harmonic wave into power network is reduced, reduces the influence to power network.The signal output part of each electronic load in electronic load module
It is connected with wireless communication module, the wireless communication module in the present embodiment uses Wifi communication modules, can be with during concrete application
According to the actual conditions of test site from EnOcean communication modules, Zigbee communication module, Z-Wave communication modules or
Bluetooth communication modules.
During burn-in test, each electromagnetic oven its electromagnetic stove coil after power network power taking generates alternating magnetic field, electromagnetic stove coil
With corresponding coupling coil inductively, the alternating voltage of high frequency is generated in coupling coil side, energy by electromagnetic oven
Pass to inductively receiving circuit.Inductively multiple coupling coil output ends of receiving circuit are all connected with the filter of rectification all the way
Ripple and power control circuit, the rectifying and wave-filtering and power control circuit include rectifier bridge, LC filter circuits and voltage conversion circuit,
Wherein rectifier bridge is made up of four model RHRP15120 diode, after over commutation, friendship that coupling coil induces
Stream electricity is rectified into direct current, and LC filter circuits are connected to the output end of rectifier bridge, by the direct current medium-high frequency after over commutation
Composition filters, and retains low-frequency component, the voltage conversion circuit voltage stabilizing after being connected to filter circuit again of low-frequency d electricity, is formed
Electronic load corresponding with the rectifying and wave-filtering and power control circuit in steady dc voltage output electron load blocks, this
The impedance matching property of a little electronic load simulation iron pans, feeds back to corresponding electromagnetic oven by inductively receiving circuit, so as to
Electromagnetic oven is set to keep the state of normal work.By the energy coupling of coupling coil and electromagnetic stove coil, Electronic Negative is connected to
Carry, being heated up water without pot startup and normal work, replacement with pot for electromagnetic oven is realized with inductively receiving circuit and electronic load
Mode makes electromagnetic oven keep working condition, can simplify burn-in test process, improves security, using water wisely.
The output end of each electronic load is all connected to dc bus in electronic load module, rectified filtering and power
The steady dc voltage of control circuit generation is exported to inversion unit.Inversion unit includes main control unit and is connected in turn
Inverter circuit, filter circuit, isolating transformer between dc bus and power network, inverter circuit are connected by an inverse changing driving circuit
It is connected to main control unit.Wherein, the list that inverter circuit is formed using four insulated gate bipolar transistors (IGBT) Q1, Q2, Q3, Q4
Phase full bridge inverter, this four insulated gate bipolar transistors (IGBT) Q1, Q2, Q3, Q4 are respectively in control chip output
Open, break under SPWM signals, so as to which steady dc voltage to be converted into the AC voltages transmission telegram in reply net matched with line voltage,
Save electric energy.In actual circuit design process, half-bridge inversion circuit, three-phase inversion electricity can be selected according to particular circuit configurations
The single-phase full bridge inverter circuit is replaced on road or isolated inverter circuit etc..
By the way that formula electronic load can be presented using the electromagnetic oven in burn-in test process, automatic test is realized, is being reduced
Efficiency and testing reliability are improved while human cost, and the information of automated production is carried out by wireless communication module
Change management, be advantageous to the product control and improvement of product.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
It is logical it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this
The spirit and scope of utility model technical scheme.
Claims (7)
1. electromagnetic oven can present formula electronic load, it is characterised in that：Including be sequentially connected inductively receiving circuit, electronic load
Module, dc bus and output end are connected to the inversion unit of power network, and the signal output part of the electronic load module is connected with
Wireless communication module, the inductively receiving circuit include multiple coupling coils, and each coupling coil output end is connected with
Rectifying and wave-filtering and power control circuit all the way, the output end of every road rectifying and wave-filtering and power control circuit are all connected to electronic load
An electronic load in module, each coupling coil and corresponding electromagnetic stove coil sensing generation alternating voltage, should
The rectified filtering of alternating voltage and power control circuit generation steady dc voltage, the DC voltage through electronic load module and
Dc bus is transferred to the inversion unit, so as to generate the AC voltages transmission matched with line voltage to power network.
2. electromagnetic oven according to claim 1 can present formula electronic load, it is characterised in that：The inversion unit includes master control
Unit and the inverter circuit being connected in turn between dc bus and power network, filter circuit, isolating transformer, the inversion electricity
Road is connected to the main control unit by an inverse changing driving circuit.
3. electromagnetic oven according to claim 2 can present formula electronic load, it is characterised in that：The inverter circuit is that full-bridge is inverse
Become circuit, half-bridge inversion circuit, three-phase inverting circuit or isolated inverter circuit.
4. electromagnetic oven according to claim 1 can present formula electronic load, it is characterised in that：The inductively receiving circuit
Coupling coil it is identical with electromagnetic stove coil model.
5. electromagnetic oven according to claim 1 can present formula electronic load, it is characterised in that：The wireless communication module is
Wifi communication modules, EnOcean communication modules, Zigbee communication module, Z-Wave communication modules or Bluetooth communication moulds
Block.
6. electromagnetic oven according to claim 1 can present formula electronic load, it is characterised in that：Rectifying and wave-filtering and the power control
Circuit processed includes rectifier bridge, LC filter circuits and voltage conversion circuit.
7. electromagnetic oven according to claim 1 can present formula electronic load, it is characterised in that：The power network is single-phase alternating current
Pressure network or three-phase alternating current pressure network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585333.4U CN206975133U (en) | 2017-05-24 | 2017-05-24 | Electromagnetic oven can present formula electronic load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585333.4U CN206975133U (en) | 2017-05-24 | 2017-05-24 | Electromagnetic oven can present formula electronic load |
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| CN206975133U true CN206975133U (en) | 2018-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425388A (en) * | 2018-03-08 | 2019-03-05 | 佛山市顺德区美的电热电器制造有限公司 | A kind of Intelligent Dynamic reliability test system and method |
-
2017
- 2017-05-24 CN CN201720585333.4U patent/CN206975133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425388A (en) * | 2018-03-08 | 2019-03-05 | 佛山市顺德区美的电热电器制造有限公司 | A kind of Intelligent Dynamic reliability test system and method |
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