CN218897303U

CN218897303U - Power supply controller and heating type electric appliance

Info

Publication number: CN218897303U
Application number: CN202222964870.3U
Authority: CN
Inventors: 陈焕军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-21
Anticipated expiration: 2032-11-08

Abstract

The utility model belongs to the technical field of heating power supply control, and relates to a power supply controller which comprises: the device comprises a shell, a main control circuit, a three-pin plug, a control circuit and a first temperature sensor; the three-pin plug is assembled at one end of the first side and is electrically connected with the input end of the main control circuit; the control circuit is provided with a second control module and a control element which can be controlled from the second side of the shell; the first temperature sensor is electrically connected with the first control module and is used for detecting the working temperature of the silicon controlled rectifier. The main control circuit and the control circuit are integrated in the external power supply controller, so that the internal space of the electric appliance can be optimized, and the 3C safety regulation requirement is met; when the power supply controller enters into the working process, the first temperature sensor monitors the temperature of the silicon controlled rectifier in real time, plays a role in protecting the normal working of the silicon controlled rectifier and other components, avoids damage caused by overhigh temperature of the silicon controlled rectifier, and other components in the power supply controller are damaged due to overhigh temperature.

Description

Power supply controller and heating type electric appliance

Technical Field

The utility model relates to the technical field of heating power supply control, in particular to a power supply controller, and particularly relates to a power supply controller which is provided with a plug and can control power, and a heating appliance applying the power supply controller.

Background

The patent relates to a power supply controller of an electric heating appliance, which works by generating temperature required by work when a heating body is electrified and heated, and the power of the heating body is changed by adjusting the electric quantity through a silicon controlled rectifier, so that the temperature is controlled.

Along with the development of science and technology and the higher requirement of product users to the product, the practicality and the security of product are more important, and the circuit board of electric heater class electrical apparatus in the past is installed inside the shell, because the heat-generating body itself generates heat and temperature transmission's characteristics, and the circuit board adopts the mode that the silicon controlled rectifier adjusted out the power transmission, make casing inner space restricted, the circuit board is in the higher operational environment of temperature for a long time, reduce its life greatly, also have the security hidden danger in the daily use, the controller in the past has satisfied the requirement in market, the investigation to the market and the deep understanding to this class product develop the controller that can accord with safe operation standard specially.

Some manufacturers in the prior market design that a power supply control part is integrated on a power supply line of an electric appliance, such as a ceramic stove with a wire control switch, a control circuit is arranged on the wire control switch, and a main control circuit comprising a silicon controlled rectifier is designed in the electric appliance to reduce the influence of the heating of the silicon controlled rectifier on the control circuit, but the silicon controlled rectifier also occupies the internal space of the electric appliance, and the heat dissipation efficiency of the silicon controlled rectifier is greatly influenced due to the influence of the temperature of a heating element in the electric appliance, so that the service life of the main control circuit is influenced, and potential safety hazards are caused; on the other hand, the scheme of installing the control circuit in the wire control switch cannot meet the requirement of 3C safety regulation even if the main control circuit is integrated in the wire control switch.

Disclosure of Invention

The utility model aims to solve the problems that the design of a silicon controlled rectifier and a control circuit in the prior art is in an electric heating appliance, occupies the internal space of the electric appliance, influences the service life of a power circuit and causes potential safety hazards; the main control circuit and the control circuit are integrated in an external power supply controller, a three-pin plug is arranged at one end of a first side of the shell, and a first temperature sensor for detecting the working temperature of the silicon controlled rectifier is configured to solve the problem.

The technical scheme that this patent adopted is as follows:

a power supply controller, comprising: the device comprises a shell, a main control circuit, a three-pin plug, a control circuit and a first temperature sensor; the housing has oppositely disposed first and second sides; the main control circuit is used for controlling output power and comprises a first control module, a controllable silicon capable of adjusting the output power, a power output end and a temperature signal line connection point; the three-pin plug is assembled at one end of the first side and is electrically connected with the input end of the main control circuit; the control circuit is provided with a second control module and a control element which can be controlled from the second side of the shell, and the main control circuit can be controlled through the control element; the first temperature sensor is electrically connected with the first control module and is used for detecting the working temperature of the controllable silicon, and the first control module controls the on/off of the controllable silicon according to the detection value of the first temperature sensor.

Compared with the prior art, the main control circuit and the control circuit are integrated in the external power supply controller, and the three-pin plug is arranged at one end of the first side of the shell, so that the internal space of the electric appliance can be optimized, and meanwhile, the safety requirement can be met; the power supply controller is provided with a first temperature sensor for detecting the working temperature of the silicon controlled rectifier, when the power supply controller enters into operation, the first temperature sensor monitors the temperature of the silicon controlled rectifier in real time, and the power supply controller has a protection effect on normal operation of the silicon controlled rectifier and other components and parts, so that damage caused by overhigh temperature of the silicon controlled rectifier is avoided, and other components in the power supply controller are damaged due to overhigh temperature.

Further, the main control circuit is configured with a radiator for radiating the silicon controlled rectifier, and the first temperature sensor is configured at one of the following positions: is arranged near the radiator; the radiator is contacted with the radiator; the touch is attached to the silicon controlled rectifier. And the heat dissipation efficiency of the silicon controlled rectifier can be improved by configuring the heat radiator.

Furthermore, the input end of the main control circuit is connected with a safety capacitor in parallel. By such a configuration, the safety of the user can be improved while satisfying electromagnetic compatibility "EMC" requirements.

Further, the control circuit is provided with a display element displaying the operating state, the display element being configured such that a user can observe the content of the display state thereof from the second side of the housing. The working parameters of the power supply controller and the temperature parameters fed back by the controlled electric appliance can be visually observed through the display element.

Further, the control element includes a switching element, a gear control element, and a setting element.

Further, the control element is a touch element or a key element.

Further, dodge the boss is provided with to the one end of first side at the casing, is provided with auxiliary support portion at the downside of dodging the boss, and auxiliary support portion extends along the other end of first side to auxiliary support portion's height flushes with dodging the boss, and the width is not less than dodges the width of boss. The use of dodging the boss is when using on some take the socket panel of switch, avoids the interference to the switch cover, but can cause unsettled between power supply controller lower part and the panel, leads to easily to making the tripod plug loosen because of gravity or wire traction, and this patent provides the support through auxiliary support portion for power supply controller lower part and panel, can effectively solve above-mentioned problem.

Further, the length of the auxiliary supporting part is 5-15mm.

Further, the wireless remote controller is provided with a first wireless communication circuit, the control circuit is provided with a second wireless communication module, and the first wireless communication circuit and the second wireless communication module adopt 2.4G or radio frequency RF communication. The wireless remote controller is configured, so that a user can conveniently use the wireless remote controller under the condition that the wireless remote controller is far away from the power controller or the direct control of the power controller is inconvenient, and the working state of the controlled electric appliance can be displayed on the wireless remote controller by adopting 2.4G or radio frequency RF433 communication with mutual communication of the two parties.

This patent still provides heating class electrical apparatus, includes: the heating element, the second temperature sensor, the power supply controller and the power supply wire; the second temperature sensor is used for detecting the working temperature of the heating element; the power line comprises a power supply wire and a signal wire, one end of the power supply wire is connected with the heating element, the other end of the power supply wire is electrically connected with the power output end of the power supply controller, one end of the signal wire is electrically connected with the second temperature sensor, and the other end of the signal wire is electrically connected with the temperature signal wire connecting point of the power supply controller.

Drawings

Fig. 1 is a schematic perspective view 1 of a power supply controller according to the present utility model

Fig. 2 is a schematic perspective view of the power supply controller 2 according to the present utility model

FIG. 3 is a side view of a power controller of the present utility model

FIG. 4 is an exploded view of the power supply controller of the present utility model

FIG. 5 is a schematic diagram of the connecting wires of the power supply controller of the present utility model

FIG. 6 is a circuit diagram of the present utility model

Detailed Description

The power supply controller is suitable for an electric appliance which adopts a resistance heating element and adopts a silicon controlled rectifier to regulate voltage and current to control working temperature, such as a power supply controller for heating and temperature of an electric ceramic stove tea boiler and protecting the temperature of a glass ceramic plate at the same time by a micro-motor water pumping device; the control adopts the national standard plug to have three grounding inserting sheets and does not have two grounding inserting sheets to be suitable for controlling the electric ceramic stove tea boiler made of metal, ceramic, plastic and wood appearance materials, and the functions of the electric ceramic stove tea boiler mainly control the output voltage and the output current, and limit the heating temperature of a heating body in the electric ceramic stove and the work of a water pumping motor. Other electric appliances such as electric baking trays, electric chafing dishes and the like.

Example 1: power supply controller

Referring to fig. 1 to 6, a power supply controller 100 of the present embodiment includes: the device comprises a shell 1, a main control circuit 2, a three-pin plug 3, a control circuit 4 and a first temperature sensor S1; the housing 1 has oppositely arranged first and second sides a, b; the main control circuit 2 is used for controlling output power and comprises a first control module e1, a controllable silicon e0 capable of adjusting the output power, a power output end and a temperature signal line connection point; the three-pin plug 3 is assembled at one end of the first side a and is electrically connected with the input end of the main control circuit 2; the control circuit 4 is provided with a second control module e2 and a control element controllable from the second side b of the housing 1, by means of which the main control circuit 2 can be controlled; the first temperature sensor S1 is electrically connected with the first control module e1, and is configured to detect an operating temperature of the thyristor e0, where the first control module e1 controls on or off of the thyristor e0 according to a detection value of the first temperature sensor S1. The control element comprises a switch element, a gear control element and a setting element, and a touch element is particularly preferably adopted, and a key element can be adopted as required, wherein the several types of elements are all existing electronic elements and are not improvement points of the patent and are not specifically described.

In this embodiment, the housing 1 includes a first housing 1.1 and a second housing 1.2 which are oppositely joined, a first side a being formed on the first housing 1.1 and a second side b being formed on the second housing 1.2; the main control circuit 2 is a power panel, and the control circuit 4 is a control panel. The main control circuit 2 and the control circuit 4 are connected by a flat cable. The first temperature sensor S1 is preferably an NTC temperature sensor, but may be any other existing electronic element that can detect temperature in practical use.

Compared with the prior art, this patent is being furnished with the first temperature sensor S1 that detects silicon controlled rectifier e0 operating temperature, and when power controller 100 got into during operation first temperature sensor S1 real-time supervision silicon controlled rectifier e 0' S temperature, played the guard action to silicon controlled rectifier e0 and other components and parts normal work, avoided silicon controlled rectifier e0 high temperature to lead to damaging to and other components in the power controller 100 are because the high temperature leads to damaging.

The main control circuit 2 is provided with a heat sink 5 for radiating the thyristor e0, and the first temperature sensor S1 is arranged in the vicinity of the heat sink 5; in other embodiments, the heat sink 5 or the thyristor e0 may be attached. The heat sink 5 is disposed to improve the heat dissipation efficiency of the thyristor e 0.

The input end of the main control circuit 2 is connected in parallel with a safety capacitor C. By such a configuration, the safety of the user can be improved while satisfying electromagnetic compatibility "EMC" requirements.

The control circuit 4 is provided with a display element displaying the operating state, which display element is configured such that a user can observe the content of its display state from the second side b of the housing 1. The operating parameters of the power supply controller 100, and the temperature parameters fed back by the controlled electric appliance can be visually observed through the display element. In particular, the second side b of the housing 1 may be configured as a light transmissive material, which allows a user to see the relevant display from the outside when the display element is in operation.

Referring to fig. 2 and 3, an avoidance boss 1.11 is provided at one end of a first side a of the housing 1, an auxiliary support portion 1.12 is provided at a lower side of the avoidance boss 1.11, the auxiliary support portion 1.12 extends along the other end of the first side a, and the auxiliary support portion 1.12 is flush with the avoidance boss 1.11 in height and is not less than the avoidance boss 1.11 in width. Avoidance boss 1.11's use is when using on some socket panels of taking the switch, avoids the interference to the switch cover, but can cause unsettled between power controller 100 lower part and the panel, leads to easily to loosening because of gravity or wire traction makes tripod plug 3, and this patent provides the support through auxiliary stay portion 1.12 for power controller 100 lower part and panel, can effectively solve above-mentioned problem.

The length of the auxiliary supporting part 1.12 is 5-15mm.

In order to improve the space inside the shell 1, an outer boss can be arranged at the position below the auxiliary supporting part 1.12 on the first side a of the shell 1, the height of the outer boss is smaller than that of the auxiliary supporting part 1.12, and a concave position is correspondingly arranged inside the first shell 1.1, so that more space can be improved for the radiator by utilizing the space between the first side a and the avoidance boss 1.11.

The scheme of this patent still disposes wireless remote controller 6, wireless remote controller 6 is provided with third control module e3 and first wireless communication circuit e4, control circuit 4 is provided with second wireless communication module e5, and first wireless communication circuit e4 and second wireless communication module e5 adopt 2.4G or radio frequency RF communication. The wireless remote controller 6 is configured, so that a user can conveniently use the wireless remote controller in the condition that the wireless remote controller 100 is far away from the power controller 100 or the wireless remote controller 100 is inconvenient to directly control the power controller 100, the 2.4G or radio frequency RF433 communication with interactive communication between the two parties is adopted, the working state and the bidirectional signal instruction of the controlled electric appliance can be fed back in a bidirectional mode, the power controller 100 can intuitively know the working state of the controlled electric appliance through a display module of the power controller 100 in a touch control mode and a wireless remote control mode, and meanwhile, the working state of the controlled electric appliance can be displayed on the wireless remote controller 6.

In this patent, the first control module e1, the second control module e2 and the third control module e3 are existing electronic chips, such as ICs or MCUs, and the control principles and the communication connection technologies thereof are all common knowledge, and are not improvement points of this patent, and are not specifically described.

Example 2 heating appliance

Referring to fig. 5 and 6, the present patent also provides a heating appliance (not shown) comprising: a heating element (not shown), a second temperature sensor S2, a power supply controller 100, and a power supply line L2; the second temperature sensor S2 is used for detecting the working temperature of the heating element; the power line comprises a power supply wire and a signal wire, one end of the power supply wire is connected with the heating element, the other end of the power supply wire is electrically connected with the power output end of the power controller 100, one end of the signal wire is electrically connected with the second temperature sensor, and the other end of the signal wire is electrically connected with the temperature signal wire connecting point of the power controller 100. The second temperature sensor S2 is preferably a K-shaped thermocouple, but may of course be any other suitable existing electronic component.

Referring to fig. 5, in one embodiment, the output end of the power supply controller is connected with a wire connector L1, a power supply wire and a signal wire are arranged in the wire connector L1, and the wire connector L1 and the power supply wire L2 are connected through an aviation connector.

Variations and modifications of the above-described embodiments may be made by those skilled in the art in light of the foregoing disclosure and are not to be limited to the specific embodiments disclosed and described herein, but rather should be construed according to the scope of the appended claims.

Claims

1. A power supply controller, comprising:

a housing having oppositely disposed first and second sides;

the main control circuit is used for controlling output power and comprises a first control module, a silicon controlled rectifier capable of adjusting the output power, a power output end and a temperature signal line connection point;

the three-pin plug is assembled at one end of the first side and is electrically connected with the input end of the main control circuit;

the control circuit is provided with a second control module and a control element which can be controlled from the second side of the shell, and the main control circuit can be controlled through the control element;

the first temperature sensor is electrically connected with the first control module and used for detecting the working temperature of the controllable silicon, and the first control module controls the on/off of the controllable silicon according to the detection value of the first temperature sensor.

2. The power supply controller of claim 1, wherein the master circuit is configured with a heat sink for dissipating heat from the thyristor, the first temperature sensor being configured in one of:

is arranged near the radiator;

the radiator is contacted with the radiator;

the touch is attached to the silicon controlled rectifier.

3. The power supply controller according to claim 1, wherein the input of the master control circuit is connected in parallel with a safety capacitor.

4. A power supply controller according to claim 1, wherein the control circuit is provided with a display element for displaying the operating state, the display element being configured such that a user can view its display state content from the second side of the housing.

5. The power supply controller according to claim 1, wherein the control element includes a switching element, a gear control element, and a setting element.

6. The power controller of claim 5, wherein the control element is a touch element or a key element.

7. The power supply controller according to claim 1, wherein an avoidance boss is provided at one end of the first side of the housing, an auxiliary support portion is provided at a lower side of the avoidance boss, the auxiliary support portion extends along the other end of the first side, and the auxiliary support portion is flush with the avoidance boss in height and is not less than the width of the avoidance boss.

8. The power supply controller according to claim 7, wherein the auxiliary supporting portion has a length of 5-15mm.

9. The power supply controller according to claim 1, further comprising a wireless remote control, the wireless remote control comprising a third control module, a first wireless communication circuit, the control circuit being provided with a second wireless communication module, the first wireless communication circuit and the second wireless communication module communicating using 2.4G or radio frequency RF 433.

10. Heating class electrical apparatus, its characterized in that includes:

a heating element;

the second temperature sensor is used for detecting the working environment temperature of the heating element;

the power supply controller of any one of claims 1 to 9;

the power line comprises a power supply wire and a signal wire, one end of the power supply wire is connected with the heating element, the other end of the power supply wire is electrically connected with the power output end of the power supply controller, one end of the signal wire is electrically connected with the second temperature sensor, and the other end of the signal wire is electrically connected with the temperature signal wire connecting point of the power supply controller.