CN202649841U - Storage battery oven control circuit - Google Patents
Storage battery oven control circuit Download PDFInfo
- Publication number
- CN202649841U CN202649841U CN 201220261345 CN201220261345U CN202649841U CN 202649841 U CN202649841 U CN 202649841U CN 201220261345 CN201220261345 CN 201220261345 CN 201220261345 U CN201220261345 U CN 201220261345U CN 202649841 U CN202649841 U CN 202649841U
- Authority
- CN
- China
- Prior art keywords
- branch road
- control
- contactor
- circuit
- temperature
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The invention discloses a storage battery oven control circuit. The control circuit includes a main loop and a control loop which are electrically connected with each other; the control loop comprises a first temperature control branch circuit, a second temperature control branch circuit and a heater control branch circuit; the first temperature control branch circuit is connected in parallel with the second temperature control branch circuit; and control output ends of the first temperature control branch circuit and the second temperature control branch circuit are respectively electrically connected with the heater control branch circuit. According to the storage battery oven control circuit of the utility model, a multi-protection function is increased, and as a result, even if an element in one temperature control branch circuit is failed or a manually-set temperature value is wrong, power-off protection can be realized so long as the other temperature control branch circuit is in a normal state so as to enable the heater control branch circuit to control the main loop for stopping heating, thereby decreasing accidents, for example the burnout of a storage battery caused by uncontrollability of the temperature of an oven.
Description
Technical field
The application relates to accumulator and makes the field, is specifically related to the control circuit of baking box used in accumulator baking, the drying process.
Background technology
The accumulator control circuit of oven generally includes major loop and control loop, and wherein, control loop generally includes temperature control branch road and well heater control branch road etc., and major loop is used for heating oven.Its course of work is normally: by artificially setting the heating-up temperature value at the temperature control branch road, when the temperature control branch road detects heating-up temperature on the baking box and exceeds the temperature value of setting, by well heater control branch road control major loop stopped heating.
But in the prior art, the accumulator control circuit of oven is all relatively simple, particularly the temperature control branch road is more single, when in case the malfunctioning or artificial set temperature value of some element is made mistakes on the temperature control branch road, well heater control branch road can't in time be controlled the major loop stopped heating, cause that easily oven temperature is out of control, cause the accumulator on the roasting bad baking box, cause the accident and economic loss.
Summary of the invention
The application provides a kind of accumulator control circuit of oven, comprises major loop and control loop, the two electrical connection; Described control loop comprises the first temperature control branch road, the second temperature control branch road and well heater control branch road; Described the first temperature control branch road and the second temperature control branch circuit parallel connection, the control output end of described the first temperature control branch road and the second temperature control branch road are electrically connected with described well heater control branch road respectively.
Particularly, described the first temperature control branch road comprises temperature controller WK1, auxiliary reclay KA1 and auxiliary reclay KA2, the control output end of described auxiliary reclay KA1 one termination temperature controller WK1, another termination zero-power line, the high temperature alarm output terminal of described auxiliary reclay KA2 one termination temperature controller WK1, another termination zero-power line;
Described the second temperature control branch road comprises temperature controller WK2, auxiliary reclay KA3 and auxiliary reclay KA4, the control output end of described auxiliary reclay KA3 one termination temperature controller WK2, another termination zero-power line, the high temperature alarm output terminal of described auxiliary reclay KA4 one termination temperature controller WK2, another termination zero-power line.
Described well heater control branch road comprises that normally closed contact KA4 and the well heater of normally closed contact KA2, the auxiliary reclay KA4 of the auxiliary reclay KA2 of series connection control sub-branch road; Described well heater controls the first series arm that sub-branch road comprises that normally opened contact KA1 and A.C. contactor KM3 by auxiliary reclay KA1 be in series, by the second series arm that normally opened contact KA3 and the A.C. contactor KM4 of auxiliary reclay KA3 is in series, described the first series arm and the second series arm are in parallel.
Described major loop comprises the first heating branch road and the second heating branch road that is connected in parallel on both ends of power; Described the first heating branch road comprises the primary heater of series connection and the normally opened contact KM3 of A.C. contactor KM3; Described the second heating branch road comprises the secondary heater of series connection and the normally opened contact KM4 of A.C. contactor KM4.
As preferably, described control loop also comprises and the air-blower control branch road of described the first temperature control branch road, the second temperature control branch road, well heater control branch circuit parallel connection, and described air-blower control branch road comprises A.C. contactor KM2; Described major loop comprises also and the blower fan branch road of described the first heating branch road, the second heating branch circuit parallel connection that described blower fan branch road comprises the blower fan M2 of series connection and the first normally opened contact KM2 of A.C. contactor KM2.
As preferably, described air-blower control branch road also comprises the second normally opened contact KM2 and the starting switch SB4 of A.C. contactor KM2; Connect with A.C. contactor KM2 after described the second normally opened contact KM2 and the starting switch SB4 parallel connection.
As preferably, described air-blower control branch road also comprises the shutdown switch SB3 that connects with described A.C. contactor KM2.
As preferably, described air-blower control branch road also comprises the electrothermal relay auxiliary contact FR2 that connects with described A.C. contactor KM2; Described blower fan branch road also comprises the electrothermal relay FR2 that connects with described blower fan M2.
As preferably, described control loop also comprises circuit breaker Q F1, is located at described control loop and power firestreak junction.
As preferably, described major loop also comprises circuit breaker Q F2, is located at described major loop and power firestreak junction.
As preferably, described the first heating branch road, the second heating branch road and blower fan branch road also comprise respectively circuit breaker Q F4, circuit breaker Q F5, circuit breaker Q F6, and described circuit breaker Q F4, circuit breaker Q F5, circuit breaker Q F6 connect with normally opened contact KM3, the normally opened contact KM4 of A.C. contactor KM4 of the second normally opened contact KM2, the A.C. contactor KM3 of described A.C. contactor KM2 respectively.
The application's beneficial effect is: in the application's the control circuit; control loop comprises the first temperature control branch road and two temperature control branch roads of the second temperature control branch road; for the accumulator control circuit of oven has increased the multilayer protection; even wherein malfunctioning the or artificial set temperature value of element in temperature control branch road is made mistakes; as long as an other temperature control branch road normally can be realized power-off protection; make well heater control branch road control major loop stopped heating, reduced the oven temperature incidence that causes the accidents such as roasting bad accumulator out of control.
Description of drawings
The structural representation of a kind of accumulator control circuit of oven that Fig. 1 provides for embodiment one;
The control loop synoptic diagram of a kind of accumulator control circuit of oven that Fig. 2 provides for embodiment two;
Fig. 3 is the major loop synoptic diagram that is subjected to control loop synoptic diagram control among Fig. 2;
The control loop synoptic diagram of the another kind of accumulator control circuit of oven that Fig. 4 provides for embodiment two;
Fig. 5 is the major loop synoptic diagram that is subjected to control loop synoptic diagram control among Fig. 4.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
Please refer to Fig. 1, present embodiment provides a kind of accumulator control circuit of oven, comprises major loop and control loop, the two electrical connection.Wherein, control loop comprises the first temperature control branch road, the second temperature control branch road and well heater control branch road.The first temperature control branch road and the second temperature control branch circuit parallel connection, the control output end of the first temperature control branch road and the second temperature control branch road are electrically connected with well heater control branch road respectively.
In the control circuit of present embodiment; control loop comprises the first temperature control branch road and two temperature control branch roads of the second temperature control branch road; for the accumulator control circuit of oven has increased the multilayer protection; even wherein malfunctioning the or artificial set temperature value of element in temperature control branch road is made mistakes; as long as an other temperature control branch road normally can be realized power-off protection; make well heater control branch road control major loop stopped heating, reduced the oven temperature incidence that causes the accidents such as roasting bad accumulator out of control
Embodiment two:
Please refer to Fig. 2 and Fig. 3, be the better the application that implements, embodiment two provides a kind of concrete accumulator control circuit of oven, and it comprises major loop and control loop, and control loop comprises the first temperature control branch road, the second temperature control branch road and the well heater control branch road that is connected in parallel on both ends of power.
As shown in Figure 2, the first temperature control branch road comprises temperature controller WK1, auxiliary reclay KA1 and auxiliary reclay KA2, the control output end OUT of auxiliary reclay KA1 one termination temperature controller WK1, another termination zero-power line N, the high temperature alarm output terminals A H of auxiliary reclay KA2 one termination temperature controller WK1, another termination zero-power line N.
The second temperature control branch road comprises temperature controller WK2, auxiliary reclay KA 3 and auxiliary reclay KA4, the control output end OUT of auxiliary reclay KA3 one termination temperature controller WK2, another termination zero-power line N, the high temperature alarm output terminals A H of auxiliary reclay KA4 one termination temperature controller WK2, another termination zero-power line N;
Well heater control branch road comprises that normally closed contact KA4 and the well heater of normally closed contact KA2, the auxiliary reclay KA4 of the auxiliary reclay KA2 of series connection control sub-branch road; Well heater controls the first series arm that sub-branch road comprises that normally opened contact KA1 and A.C. contactor KM3 by auxiliary reclay KA1 be in series, by the second series arm that normally opened contact KA3 and the A.C. contactor KM4 of auxiliary reclay KA3 is in series, the first series arm and the second series arm are in parallel.
Major loop comprises the first heating branch road and the second heating branch road that is connected in parallel on both ends of power; The first heating branch road comprises the primary heater (representing with heating resistor R11, R12, R13) of series connection and the normally opened contact KM3 of A.C. contactor KM3; The second heating branch road (representing with heating resistor R21, R22, R23) comprises the secondary heater of series connection and the normally opened contact KM4 of A.C. contactor KM4, as shown in Figure 3.
In the present embodiment, when temperature controller WK1, temperature controller WK2 all working properly, when the temp probe TC1 of temperature controller WK1, the temp probe TC2 of temperature controller WK2 detect oven temperature and are in the temperature value scope that temperature controller WK1, temperature controller WK2 set, auxiliary reclay KA1, auxiliary reclay KA 3 all keep energising, thereby normally opened contact KA1, normally opened contact KA3 are closed; Auxiliary reclay KA2, auxiliary reclay KA4 all keep outage, thereby normally closed contact KA2, normally closed contact KA4 are closed; A.C. contactor KM3, A.C. contactor KM4 energising, thus normally opened contact KM3, normally opened contact KM4 are closed in the control major loop; Primary heater and secondary heater energising work on.
When the malfunctioning or artificial set temperature value of one of them work of temperature controller WK1, temperature controller WK2 is made mistakes and is surpassed the temperature value scope during oven temperature, for example during, temperature controller WK2 malfunctioning as temperature controller WK1 normal operation, the auxiliary reclay KA1 that is connected with temperature controller WK1 obviously keeps "on" position, normally opened contact KA1 is closed, auxiliary reclay KA2 outage, normally closed contact KA2 remains closed.But the auxiliary reclay KA3 that is connected with temperature controller WK2 outage, normally opened contact KA3 disconnects, auxiliary reclay KA4 energising, normally closed contact KA4 disconnects; A.C. contactor KM3, A.C. contactor KM4 outage, thus normally opened contact KM3, normally opened contact KM4 disconnect in the control major loop; Primary heater (representing with heating resistor R11, R12, R13) and secondary heater (representing with heating resistor R21, R22, R23) outage quit work.
The control circuit of present embodiment comprises two temperature controller; a plurality of auxiliary reclays and A.C. contactor have been set up simultaneously; for the accumulator control circuit of oven has increased the multilayer protection; even the situation that the malfunctioning or artificial set temperature value of part temperature controller is made mistakes occurs; as long as wherein there is a temperature controller normally can realize power-off protection, the control heater stopped heating.Be, the temperature controller in the present embodiment also can be more than three with being appreciated that, only needs corresponding increase auxiliary reclay or A.C. contactor and press in the present embodiment each auxiliary reclay to be connected mode of connection connection with A.C. contactor and to get final product.
See also Fig. 4 and Fig. 5, the control loop in the present embodiment comprises also and the air-blower control branch road of the first temperature control branch road, the second temperature control branch road, well heater control branch circuit parallel connection that the air-blower control branch road comprises A.C. contactor KM2, as shown in Figure 4.Major loop comprises also and the blower fan branch road of the first heating branch road, the second heating branch circuit parallel connection that the blower fan branch road comprises the blower fan M2 of series connection and the first normally opened contact KM2 of A.C. contactor KM2, as shown in Figure 5.
Above-mentioned air-blower control branch road is used for the blower fan M2 on the control blower fan branch road, is convenient to the overtemperature baking box is dispelled the heat.Its control procedure is: when A.C. contactor KM2 switches in the air-blower control branch road, and the first normally opened contact KM2 on the control blower fan branch road closed (circuit breaker Q F4 is also closed, below meeting introduction), thereby the energising of the blower fan M2 on blower fan branch road work.
Above-mentioned air-blower control branch road is called the second air-blower control branch road temporarily in the present embodiment, and above-mentioned blower fan branch road is called the second blower fan branch road temporarily.For the purpose of correspondence, Fig. 4 also comprised with above-mentioned the second air-blower control branch road in equal consistent the first air-blower control branch road of element and element connected mode.Fig. 5 also comprised with above-mentioned the second blower fan branch road in equal consistent the first blower fan branch road of element and element connected mode.The first air-blower control branch road to the control procedure of the first blower fan branch road with reference to the control procedure of the second air-blower control branch road to the second blower fan branch road.
In the present embodiment, the second air-blower control branch road also comprises the second normally opened contact KM2 and the starting switch SB4 of A.C. contactor KM2; Connect with A.C. contactor KM2 after the second normally opened contact KM2 and the starting switch SB4 parallel connection.Equally, the first air-blower control branch road also comprises the second normally opened contact KM1 and the starting switch SB2 of A.C. contactor KM1; Connect with A.C. contactor KM1 after the second normally opened contact KM1 and the starting switch SB2 parallel connection.
After starting switch SB2, the SB4 closure (shutdown switch SB1, SB3 are also closed, and the below can introduce), A.C. contactor KM1, A.C. contactor KM2 energising, it is closed to control the second normally opened contact KM2, the second normally opened contact KM1.So far starting switch SB2, SB4 finish its initiating task, and no matter starting switch SB2, SB4 disconnect or closure afterwards, and this first air-blower control branch road, the second air-blower control branch road all can keep energising.
Further, the second air-blower control branch road also comprises the shutdown switch SB3 that connects with A.C. contactor KM2 in the present embodiment; The first air-blower control branch road also comprises the shutdown switch SB1 that connects with A.C. contactor KM1.Shutdown switch SB1, SB3 are by closed or disconnection control the first air-blower control branch road, the energising of the second air-blower control branch road or outage.
In addition, the second air-blower control branch road also comprises the electrothermal relay auxiliary contact FR2 that connects with A.C. contactor KM2, and the second blower fan branch road also comprises the electrothermal relay FR2 that connects with blower fan M2.The first air-blower control branch road also comprises the electrothermal relay auxiliary contact FR1 that connects with A.C. contactor KM2, and the first blower fan branch road also comprises the electrothermal relay FR1 that connects with blower fan M1.
Electrothermal relay is to produce heat by the electric current that flows into thermal element, makes the bimetallic strip generation deformation of different expansion coefficient, when deformation reaches certain distance; just promote the connecting rod action, control circuit is disconnected, thereby make the contactor dead electricity; main circuit disconnects, and realizes the overload protection of motor.Electrothermal relay FR1, FR2 in the present embodiment is mainly for the protection of the motor of blower fan M1, blower fan M2.
For further guaranteeing the control circuit safe operation of present embodiment, control loop also comprises circuit breaker Q F1, is located at control loop and power firestreak L junction.Major loop also comprises circuit breaker Q F2, is located at described major loop and power firestreak junction.
Isolating switch is a kind of circuit protecting switch, common existing hand switch effect, also have automatically carry out decompression, under-voltage, the overload and the short-circuit protection effect.Can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for the circuit of its protection or element, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.
Equally; for further protecting the control circuit of present embodiment; the first heating branch road, the second heating branch road and the first blower fan branch road, the second blower fan branch road also comprise respectively circuit breaker Q F3, circuit breaker Q F4, circuit breaker Q F5, circuit breaker Q F6, and these isolating switchs are connected with normally opened contact KM3, the normally opened contact KM4 of A.C. contactor KM4 of the second normally opened contact KM2, the A.C. contactor KM3 of the second normally opened contact KM1, the A.C. contactor KM2 of A.C. contactor KM1 respectively.
In addition, A.C. contactor KM1, A.C. contactor KM2, A.C. contactor KM3, A.C. contactor KM4 also are respectively equipped with indicator HD1, indicator HD2, indicator HD3, the indicator HD4 that indicates its duty in the present embodiment.Also be provided with selector switch SA1, selector switch SA2 in the control circuit for heater, be convenient to further control heater control circuit.These newly-increased elements and connected mode thereof see also Fig. 4.
Above content is the further description of the present invention being done in conjunction with concrete embodiment, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (9)
1. an accumulator control circuit of oven comprises major loop and control loop, the two electrical connection; It is characterized in that described control loop comprises the first temperature control branch road, the second temperature control branch road and well heater control branch road; Described the first temperature control branch road and the second temperature control branch circuit parallel connection, the control output end of described the first temperature control branch road and the second temperature control branch road are electrically connected with described well heater control branch road respectively.
2. control circuit as claimed in claim 1, it is characterized in that, described the first temperature control branch road comprises temperature controller WK1, auxiliary reclay KA1 and auxiliary reclay KA2, the control output end of described auxiliary reclay KA1 one termination temperature controller WK1, another termination zero-power line, the high temperature alarm output terminal of described auxiliary reclay KA2 one termination temperature controller WK1, another termination zero-power line;
Described the second temperature control branch road comprises temperature controller WK2, auxiliary reclay KA3 and auxiliary reclay KA4, the control output end of described auxiliary reclay KA3 one termination temperature controller WK2, another termination zero-power line, the high temperature alarm output terminal of described auxiliary reclay KA4 one termination temperature controller WK2, another termination zero-power line;
Described well heater control branch road comprises that normally closed contact KA4 and the well heater of normally closed contact KA2, the auxiliary reclay KA4 of the auxiliary reclay KA2 of series connection control sub-branch road; Described well heater controls the first series arm that sub-branch road comprises that normally opened contact KA1 and A.C. contactor KM3 by auxiliary reclay KA1 be in series, by the second series arm that normally opened contact KA3 and the A.C. contactor KM4 of auxiliary reclay KA3 is in series, described the first series arm and the second series arm are in parallel;
Described major loop comprises the first heating branch road and the second heating branch road that is connected in parallel on both ends of power; Described the first heating branch road comprises the primary heater of series connection and the normally opened contact KM3 of A.C. contactor KM3; Described the second heating branch road comprises the secondary heater of series connection and the normally opened contact KM4 of A.C. contactor KM4.
3. control circuit as claimed in claim 2 is characterized in that, described control loop comprises also and the air-blower control branch road of described the first temperature control branch road, the second temperature control branch road, well heater control branch circuit parallel connection that described air-blower control branch road comprises A.C. contactor KM2; Described major loop comprises also and the blower fan branch road of described the first heating branch road, the second heating branch circuit parallel connection that described blower fan branch road comprises the blower fan M2 of series connection and the first normally opened contact KM2 of A.C. contactor KM2.
4. control circuit as claimed in claim 3 is characterized in that, described air-blower control branch road also comprises the second normally opened contact KM2 and the starting switch SB4 of A.C. contactor KM2; Connect with A.C. contactor KM2 after described the second normally opened contact KM2 and the starting switch SB4 parallel connection.
5. control circuit as claimed in claim 4 is characterized in that, described air-blower control branch road also comprises the shutdown switch SB3 that connects with described A.C. contactor KM2.
6. such as each described control circuit in the claim 3 to 5, it is characterized in that described air-blower control branch road also comprises the electrothermal relay auxiliary contact FR2 that connects with described A.C. contactor KM2; Described blower fan branch road also comprises the electrothermal relay FR2 that connects with described blower fan M2.
7. such as each described control circuit in the claim 2 to 5, it is characterized in that described control loop also comprises circuit breaker Q F1, be located at described control loop and power firestreak junction.
8. control circuit as claimed in claim 6 is characterized in that, described major loop also comprises circuit breaker Q F2, is located at described major loop and power firestreak junction.
9. control circuit as claimed in claim 8, it is characterized in that, described the first heating branch road, the second heating branch road and blower fan branch road also comprise respectively circuit breaker Q F4, circuit breaker Q F5, circuit breaker Q F6, and described circuit breaker Q F4, circuit breaker Q F5, circuit breaker Q F6 connect with normally opened contact KM3, the normally opened contact KM4 of A.C. contactor KM4 of the second normally opened contact KM2, the A.C. contactor KM3 of described A.C. contactor KM2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261345 CN202649841U (en) | 2012-06-05 | 2012-06-05 | Storage battery oven control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261345 CN202649841U (en) | 2012-06-05 | 2012-06-05 | Storage battery oven control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649841U true CN202649841U (en) | 2013-01-02 |
Family
ID=47418925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220261345 Expired - Lifetime CN202649841U (en) | 2012-06-05 | 2012-06-05 | Storage battery oven control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649841U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019547A (en) * | 2014-06-27 | 2014-09-03 | 江苏中热机械设备有限公司 | Double-pump conduction oil heating system |
| CN104019548A (en) * | 2014-06-27 | 2014-09-03 | 江苏中热机械设备有限公司 | Single-pump conduction oil heating system |
| CN108551695A (en) * | 2018-05-09 | 2018-09-18 | 无锡市万里实业发展有限公司 | A kind of electric-heating control system |
| CN110037567A (en) * | 2019-04-09 | 2019-07-23 | 中山百得厨卫有限公司 | A kind of operation control formula oven and its control method |
| CN110630549A (en) * | 2019-09-05 | 2019-12-31 | 北方华锦化学工业股份有限公司 | Control method of double-speed fan heating control device of circulating water cooling tower |
| CN114690811A (en) * | 2020-12-29 | 2022-07-01 | 广东美的厨房电器制造有限公司 | Temperature control circuit and household electrical appliance |
| CN114690811B (en) * | 2020-12-29 | 2024-04-19 | 广东美的厨房电器制造有限公司 | Temperature control circuit and household appliance |
-
2012
- 2012-06-05 CN CN 201220261345 patent/CN202649841U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019547A (en) * | 2014-06-27 | 2014-09-03 | 江苏中热机械设备有限公司 | Double-pump conduction oil heating system |
| CN104019548A (en) * | 2014-06-27 | 2014-09-03 | 江苏中热机械设备有限公司 | Single-pump conduction oil heating system |
| CN104019548B (en) * | 2014-06-27 | 2017-05-24 | 江苏中热机械设备有限公司 | Single-pump conduction oil heating system |
| CN104019547B (en) * | 2014-06-27 | 2017-06-13 | 江苏中热机械设备有限公司 | A kind of double pump heat-conducting oil heating system |
| CN108551695A (en) * | 2018-05-09 | 2018-09-18 | 无锡市万里实业发展有限公司 | A kind of electric-heating control system |
| CN110037567A (en) * | 2019-04-09 | 2019-07-23 | 中山百得厨卫有限公司 | A kind of operation control formula oven and its control method |
| CN110630549A (en) * | 2019-09-05 | 2019-12-31 | 北方华锦化学工业股份有限公司 | Control method of double-speed fan heating control device of circulating water cooling tower |
| CN114690811A (en) * | 2020-12-29 | 2022-07-01 | 广东美的厨房电器制造有限公司 | Temperature control circuit and household electrical appliance |
| CN114690811B (en) * | 2020-12-29 | 2024-04-19 | 广东美的厨房电器制造有限公司 | Temperature control circuit and household appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202649841U (en) | Storage battery oven control circuit | |
| CN203399029U (en) | Dual-motor switching starting control device | |
| CN201298176Y (en) | Oil pump controlling cabinet of transformer cooling fan | |
| CN202648051U (en) | Electric heating interlocking control system for central air conditioner | |
| CN101702604A (en) | Multi-functional electric motor protecting and starting device | |
| CN102402233B (en) | Self-control device of transformer cooling system | |
| CN106225250A (en) | A kind of control system of electric water heater of tape relay fault feedback function | |
| CN203645309U (en) | Three-phase motor overcurrent protection device | |
| CN105470917B (en) | Fan frequency converter cabinet overtemperature protection device | |
| CN202586838U (en) | Multipath time-delay starting and overheating protection device | |
| CN207652056U (en) | Energy storage inverter and off-network switching system | |
| CN203434597U (en) | Motor overheating delay protection self-lock device | |
| CN205297994U (en) | Power failure way is opened in automation of external fan of transformer | |
| CN204733099U (en) | A kind of reduced-voltage starting control system | |
| CN203377449U (en) | Duel temperature regulation safety socket | |
| CN209104790U (en) | Low-voltage variable-frequency motor cooling blower electric control circuit | |
| CN203434594U (en) | Motor overheating delay protection device | |
| CN202889265U (en) | Soft starter control system driving three-phase squirrel cage asynchronous motor to operate | |
| CN203098239U (en) | Protective device of heating pump | |
| CN102255289A (en) | Thyristor alternating current power regulator control system and application thereof in electrical heating temperature control | |
| CN105406443A (en) | Instantaneous electric water heater dry heating prevention detection protection circuit | |
| CN102368632B (en) | Dual-power switching system | |
| CN201611861U (en) | Star-delta reduced voltage starter of electromotor | |
| CN204721621U (en) | A kind of heating wire circuit protection structure | |
| CN203798137U (en) | Heating control device for furnace body of vertical oxidation furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |