CN206944453U - Electric water heater equipped with thyristor cooling system - Google Patents

Abstract

The utility model discloses an dispose silicon controlled rectifier cooling system's electric water heater, include: the water inlet pipe assembly is arranged in the shell, and the heat exchange pipe assembly is arranged in the electric heating assembly; the water inlet pipe assembly is connected to an inlet of the heat exchange pipe set, the water inlet pipe assembly is provided with a regulating valve, and the water outlet pipe assembly is connected to an outlet of the heat exchange pipe set; be provided with the silicon controlled rectifier on the circuit board subassembly, a side of governing valve is an open structure, disposes a heat transfer board in this open structure department, and the silicon controlled rectifier pastes tightly on this heat transfer board, and the cold water of the governing valve of flowing through can take away the heat that the silicon controlled rectifier during operation produced through the heat transfer board the utility model discloses in, dispose heat radiation structure through the governing valve an organic whole to be connected with the silicon controlled rectifier, simple structure assembles convenient and fast, and the heat transfer board is made by the heat conduction material, and heat exchange efficiency is far above traditional direct subsides dress structure, improves radiating efficiency.

Description

Electric water heater equipped with thyristor cooling system

technical field

The utility model relates to the field of water heaters, in particular to an electric water heater equipped with a thyristor cooling system.

Background technique

The thyristor, also known as the silicon controlled rectifier element, is a high-power semiconductor device with a four-layer structure of three PN junctions, also known as a thyristor. It has the characteristics of small size, relatively simple structure, and strong functions. It is one of the more commonly used semiconductor devices. In electric water heaters, the thyristor is used as the main rectifier element of the electric heating unit. It will generate a lot of heat. If it is not dissipated in time, it will cause the thyristor to burn out and cause circuit failure.

Therefore, all electric water heaters are thyristor counterweight radiators. In order to improve the efficiency of heat dissipation, at present, the thyristor is installed closely on the water inlet pipe, and the cold water is used to dissipate heat. The thyristor is then connected to the circuit board through wires. Although the heat dissipation effect is good, the structure is unreasonable, and the installation is inconvenient, and the assembly efficiency is not high.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides an electric water heater equipped with a thyristor cooling system which is easy to assemble.

The technical scheme that the utility model solves its technical problem adopts is:

An electric water heater equipped with a thyristor cooling system includes an electric water heater body, and the electric water heater body includes:

case;

An electric heating assembly, the electric heating assembly is arranged in the casing, and a heat exchange tube group is arranged in the electric heating assembly;

A water inlet pipe assembly, the water inlet pipe assembly is connected to the inlet of the heat exchange tube group, and a regulating valve is arranged on the water inlet pipe assembly;

an outlet pipe assembly, the outlet pipe assembly is connected to the outlet of the heat exchange tube group;

A circuit board assembly, the circuit board assembly is provided with a thyristor, one side of the regulating valve is an opening structure, and a heat exchange plate is arranged at the opening structure, and the thyristor is closely attached to the heat exchange plate. On the plate, the cold water flowing through the regulating valve can take away the heat generated when the thyristor works through the heat exchange plate.

The regulating valve includes a valve body, a valve core and a rotating drive device. The valve body is provided with a water inlet channel and an adjusting channel. The valve core is arranged at the junction of the water inlet channel and the adjusting channel. The device and the spool can adjust the water intake of the regulating channel when the spool rotates.

The opening structure is arranged on the side of the water inlet channel.

A gasket is disposed between the heat exchange plate and the opening structure.

The heat exchange plate is installed and fixed on the opening structure by screws.

The opening structure includes at least one cold water port, and the number and position of the cold water ports correspond to the thyristors on the circuit board assembly.

The back of the thyristor is tightly mounted on the heat exchange plate by screws or glue, and the front of the thyristor is provided with a cooling fin.

A heat-conducting silica gel is arranged between the silicon controlled rectifier and the heat exchange plate.

The thyristor is soldered and fixed on the circuit board assembly.

The heat exchange plate is made of heat conducting material.

The beneficial effect of the utility model is that: the electric water heater equipped with a thyristor cooling system includes an electric water heater body, and the electric water heater body includes: a shell, an electric heating component, a water inlet pipe assembly, a water outlet pipe assembly, and a circuit board assembly. The electric heating assembly is arranged in the casing, and a heat exchange tube group is arranged in the electric heating assembly; the water inlet pipe assembly is connected to the inlet of the heat exchange pipe group, and a regulating valve is arranged on the water inlet pipe assembly, and the outlet The water pipe assembly is connected to the outlet of the heat exchange tube group; the circuit board assembly is provided with a thyristor, one side of the regulating valve is an opening structure, and a heat exchange plate is arranged at the opening structure, and the controllable The silicon is attached to the heat exchange plate, and the cold water flowing through the regulating valve can take away the heat generated by the thyristor during operation through the heat exchange plate. Silicon connection, simple structure, convenient and quick assembly, and the heat exchange plate is made of heat-conducting materials, the heat exchange efficiency is much higher than the traditional direct mounting structure, improving the efficiency of heat dissipation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the water outlet pipe assembly and the circuit board assembly of the utility model;

Fig. 3 is an exploded schematic diagram of the water outlet pipe assembly and the circuit board assembly of the utility model;

Fig. 4 is a schematic cross-sectional view of the outlet pipe assembly of the present invention;

Fig. 5 is a structural schematic diagram of the valve core of the present invention.

detailed description

Referring to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5 are structural schematic diagrams of a specific embodiment of the present utility model, as shown in the figure, the electric water heater equipped with the thyristor cooling system includes the electric water heater body, and the electric water heater body It includes: a housing 1 , an electric heating component 2 , a water inlet pipe component 4 , a water outlet pipe component 6 , and a circuit board component 7 .

As shown in the figure, the electric heating assembly 2 is arranged in the casing 1, and the heat exchange tube group 3 is arranged in the electric heating assembly 2, and the water inlet pipe assembly 4 is connected to the inlet of the heat exchange tube group 3. The water inlet pipe assembly 4 is equipped with a regulating valve 5 for regulating the flow rate; the water outlet pipe assembly 6 is connected to the outlet of the heat exchange tube group 3; the circuit board assembly 7 is provided with a silicon controlled rectifier 71, and the regulating valve One side of 5 is an opening structure, and a heat exchange plate 50 is arranged at the opening structure, and the silicon controlled rectifier 71 is attached to the heat exchange plate 50, and the cold water flowing through the regulating valve 5 can pass through the heat exchange plate 50 Take away the heat generated when the thyristor 71 is working. In the utility model, a heat dissipation structure is integrally configured through the regulating valve and connected with the thyristor. The structure is simple and the assembly is convenient and fast.

In this embodiment, preferably, the circuit board assembly 7 is located on the side of the regulating valve 5, and the thyristor 71 is welded and fixed on the circuit board assembly 7. When the circuit board assembly 7 is installed on the housing 1, The silicon controlled rectifier 71 corresponds to the position of the heat exchange plate 50 , without the need for external lead wires, and modular production and assembly can be realized, the assembly is convenient and quick, and the inside of the housing 1 is more compact.

Preferably, in this embodiment, the heat exchange plate 50 is made of heat-conducting materials such as copper and aluminum, and the heat exchange efficiency is much higher than that of the traditional direct mount structure, improving the heat dissipation efficiency.

Preferably, the regulating valve 5 includes a valve body 51, a spool 52 and a rotating driving device 53, the rotating driving device 53 is a motor or a steering gear or an electromagnetic device, and the valve body 51 is provided with a water inlet channel 511 and the regulating channel 512, the valve core 52 is arranged at the junction of the water inlet channel 511 and the regulating channel 512, the rotating drive device 53 and the valve core 52 can adjust the water intake of the regulating channel 512 when the valve core 52 rotates, Preferably, the structure of the spool 52 is shown in FIG. 5 , a central hole 521 connected to the water inlet channel 511 is opened in the center, and an arc-shaped groove 522 corresponding to the adjustment channel 512 is opened on the circumference of the spool 52 , the arc-shaped groove 522 communicates with the central hole 521, and the depth of the arc-shaped groove 522 gradually decreases.

Preferably, the opening structure is arranged on the side of the water inlet channel 511, and the water inlet channel 511 is directly connected with tap water, with a large flow rate and a low water temperature, further improving the efficiency of heat dissipation.

Preferably, a gasket is arranged between the heat exchange plate 50 and the opening structure to improve sealing performance and prevent water leakage, and the heat exchange plate 50 is fixed on the opening structure by screws, and the gasket is pressed.

Preferably, the back of the thyristor 71 is tightly mounted on the heat exchange plate 50 by screws or glue, and the front of the thyristor 71 is provided with a heat sink 72 to further improve the effect of heat dissipation. Preferably, in the controllable A thermally conductive silica gel is also provided between the silicon 71 and the heat exchange plate 50 to improve the efficiency of heat conduction.

Preferably, the opening structure includes at least one cold water port 54, the cold water port 54 is connected to the water inlet channel 511, the number and position of the cold water port 54 correspond to the thyristor 71 on the circuit board assembly 7, that is, each The thyristor 71 is configured with an independent cold water port 54 to further improve the efficiency of heat dissipation. In this embodiment, two thyristors 71 are configured, and two cold water ports 54 are configured. Of course, in the specific implementation process, it can be determined according to In fact, three or more cold water ports 54 need to be configured, which will not be described in detail here.

The preferred implementation of the present utility model has been specifically described above. Of course, the present utility model can also adopt forms different from the above-mentioned embodiments, and those skilled in the art can make equivalent transformations or modifications without violating the spirit of the present invention. Corresponding changes should all belong to the protection scope of the present utility model.

Claims (10)

1. the electric heater of controllable silicon cooling system is configured with, including electric heater body, it is characterised in that the electric heater Body includes：

Housing (1)；

Electric-heating assembly (2), the electric-heating assembly (2) are arranged in housing (1), and are provided with heat exchange in the electric-heating assembly (2) Pipe group (3)；

Water inlet pipe component (4), the water inlet pipe component (4) are connected to the import of set of heat exchange tubes (3), the water inlet pipe component (4) On be configured with a regulating valve (5)；

Outlet pipe component (6), the outlet pipe component (6) are connected to the outlet of set of heat exchange tubes (3)；

Circuit board assemblies (7), controllable silicon (71) are provided with the circuit board assemblies (7), the one side of the regulating valve (5) is One hatch frame, is configured with a heat exchanger plates (50) at the hatch frame, and the controllable silicon (71) is adjacent in the heat exchanger plates (50) On, heat caused by controllable silicon (71) work can be taken away by heat exchanger plates (50) by flowing through the cold water of regulating valve (5).

2. the electric heater according to claim 1 for being configured with controllable silicon cooling system, it is characterised in that：

The regulating valve (5) includes a valve body (51), valve element (52) and device of rotation driving (53), is set in the valve body (51) There are intake tunnel (511) and regulation passage (512), the valve element (52) is arranged on intake tunnel (511) and regulation passage (512) Joint, the device of rotation driving (53) and valve element (52), valve element (52) can adjust regulation passage (512) when rotating Inflow.

3. the electric heater according to claim 2 for being configured with controllable silicon cooling system, it is characterised in that：

The hatch frame is arranged on intake tunnel (511) side.

4. the electric heater according to claim 2 for being configured with controllable silicon cooling system, it is characterised in that：

The heat exchanger plates (50) are configured with sealing gasket between hatch frame.

5. the electric heater according to claim 2 for being configured with controllable silicon cooling system, it is characterised in that：

The heat exchanger plates (50) by screw be fixed on on hatch frame.

6. the electric heater according to claim 2 for being configured with controllable silicon cooling system, it is characterised in that：

The hatch frame includes at least one cold water outlet (54), the quantity and position and circuit board assemblies of the cold water outlet (54) (7) controllable silicon (71) on is corresponding.

7. the electric heater according to claim 1 for being configured with controllable silicon cooling system, it is characterised in that：

Controllable silicon (71) back side by screw or it is gluing be adjacent on heat exchanger plates (50), the controllable silicon (71) front It is provided with fin (72).

8. the electric heater for being configured with controllable silicon cooling system according to claim 1 or 7, it is characterised in that：

Heat conductive silica gel is provided between the controllable silicon (71) and heat exchanger plates (50).

9. the electric heater according to claim 1 for being configured with controllable silicon cooling system, it is characterised in that：

The controllable silicon (71) is weldingly fixed on circuit board assemblies (7).

10. the electric heater according to claim 1 for being configured with controllable silicon cooling system, it is characterised in that：

The heat exchanger plates (50) are made from a material that be thermally conductive.