TWM491286U - Improved extension cord structure with overload alert - Google Patents

Description

Improved extension structure with overload warning

This creation is about an extension of the extension line structure with overload warning, especially an extension of the extension line structure that generates warnings when the load is too high or too high, and cuts off the supply of the mains.

According to the general, indoors are provided with power sockets on the wall. However, as the number of electrical appliances used is increasing, the wall sockets provided are often insufficient to use; or the electrical equipment to be used is not long enough, and the like. In the case of people, the extension cord is used as an extension of the wall socket; in the general case, after the plug at one end of the extension cord is connected to the wall socket, the extension cord body can be placed to the desired place for use; It can be known from the safety that in the residential building, each household will have a main switch, and all kinds of wall sockets will be connected to the main switch. Therefore, the main switch will be equipped with overload protection devices according to the relevant electrical regulations to avoid excessive The connection of electrical appliances causes the voltage and current in the whole circuit to be too large or abnormal. However, once the main switch trips, the so-called power jump will interrupt all the power in the entire household. This kind of situation is often caused by the connection of the household. Excessive electrical appliances are caused, so how can the user be alerted to the use of extension cords? State, people's real creative goal-oriented creation.

In view of the above needs, the creator has carefully studied and accumulated personal Years of experience in this business has finally led to the design of a new extension line structure with overload warning.

One of the purposes of this creation is to provide an extension of the extension line structure with an overload warning that can detect the load status and generate a warning in time.

One of the purposes of this creation is to provide an extension of the extension structure with an overload warning that can generate different warnings depending on the load status.

In order to achieve the above object, the present invention has an extended line structure improvement with an overload warning, which comprises a connecting base, a load detecting module disposed inside the connecting seat, a side disposed on the surface of the connecting seat and a load detecting module. a display module electrically connected, and a protection switch disposed on the other side of the surface of the connector and electrically connected to the load detection module and the plug, wherein the connector comprises a plurality of socket modules disposed on the surface thereof And a plug electrically connected to the connector to introduce a predetermined power supply to the plurality of socket modules; thereby, when the connector is used, the load detection module starts detecting the plurality of socket modules, At this time, the load detection module does not sense that the plurality of socket modules have an abnormal state and does not operate, and the display module displays one of the preset first display states; when the load detection module senses An abnormal state occurs in the plurality of socket modules, but the abnormal state does not exceed the alarm range of the load detection module. The load detection module generates a first alarm signal to be transmitted to the display module, and the display module Receiving an alarm The first display state is changed to a second display state; if the load detection module senses that the plurality of socket modules have an abnormal state, and the abnormal state exceeds the alarm range of the load detection module, At this time, the load detection module generates a second alarm signal to be transmitted to the protection switch, and the protection switch operation interrupts the introduction of the preset utility power into the plurality of socket modules.

1‧‧‧Connector

11‧‧‧Multiple socket module

12‧‧‧ plug

2‧‧‧Load Detection Module

3‧‧‧ display module

31‧‧‧First display unit

32‧‧‧Second display unit

33‧‧‧First display status

34‧‧‧Second display status

4‧‧‧Protection switch

5‧‧‧Main switch

6‧‧‧Multiple USB charging sockets

Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is a block diagram of a preferred embodiment of the present invention.

Figure 3 is a schematic view showing the use of the preferred embodiment of the present invention.

Figure 4 is a block diagram of a preferred embodiment of the present invention.

In order for your review board to have a clear understanding of the content of this creation, please refer to the following description only. Please refer to FIG. 1 to FIG. 3 , the creation includes a connector 1, a load detection module 2, a display module 3, a protection switch 4, a main switch 5 and a plurality of USB charging sockets 6, Wherein: a connector socket 1 is provided with a plurality of socket modules 11 and a plurality of USB charging sockets 6, one end of which is electrically connected with a plug 12, and the plug 12 is introduced into a preset power supply to the plurality of socket modules 11 and the plurality of USB ports. The charging socket 6 and a display module 3, a protection switch 4 and a main switch 5 are respectively disposed at appropriate positions on the surface of the connecting base 1; the plug 12 is first electrically connected to the main switch 5, and the main switch 5 is electrically The protection switch 4 is connected, and then the protection switch 4 is electrically connected to the plurality of socket modules 11 and the load detection module 2, and finally the load detection module 2 is electrically connected to the display module 3; The plug 12 of the connector 1 is connected to a predetermined mains connection. For example, the plug 12 is inserted into a wall socket in the house, and the utility power is introduced into the connector 1. When the power is supplied, the external plug is plugged into the plurality. When the socket module 11 is used, the load detection module 2 detects the complex number The load state of the socket module 11 is due to the load detection module 2 itself A load value is set, and a load value is obtained when the load detection module 2 detects the load state of the plurality of socket modules 11, and the load value is compared with the reference value. If the load value is equal to or slightly When the value is greater than the reference value, the load detection module 2 generates a first alarm signal, and if the load value exceeds the reference value, the load detection module 2 generates a second alarm signal, which should be noted that the reference value is And the load value, generally refers to a value commonly used in the power system to detect the power state, such as voltage, current, impedance, phase, etc.; in the above, if the load detection module 2 does not generate the first alarm signal or The second alarm signal indicates that the display module 3 displays an initial first display state 33, for example, displaying colors such as white, green, blue, or the like, or displaying characters or patterns such as low load; and then, when the load detection module 2 is When the first alarm signal is generated, the display module 3 receives the first alarm signal and is switched from the current first display state 33 to a second display state 34, for example, the display is green or blue, and the display is red, or Is showing, Load text or drawings to remind the user that the current extension line load is too high; it should be noted that the display module 3 can display different display states, and can be multi-color LEDs, liquid crystal displays or LED arrays; If the load detection module 2 senses an abnormal state and the abnormal state exceeds the alarm range of the load detection module 2, when the second alarm signal is generated, the second alarm signal is transmitted to the protection switch. 4. The protection switch 4 operates to cut off the supply of the commercial power to prevent accidental disasters. If the user wants to continue using the connector 1, the protection switch 4 must be returned to make the plug 12 and the plurality of socket modules 11 conductive. In addition, if the user does not use the connector 1 for a long time, but the plug 12 of the connector 1 is not separated from the wall socket, the mains switch 5 can be used to cut off the utility power into the connector 1 ; It is also worth noting that the surface of the connector 1 is provided with a plurality of USB charging sockets 6. Since the voltages, currents, and the like of the plurality of USB charging sockets 6 are relatively low, the plurality of USB charging sockets 6 are directly connected to the slave plug 12 After the electrical connection, the main switch 5 is electrically connected, and the load detection module 2 is not required to detect the load state of the plurality of USB charging sockets 6. When not in use, the main switch 5 can be cut through the action of the main switch 5. The power module enters the plurality of USB charging sockets 6; as shown in FIG. 4, the display module 3 is respectively provided with a first display unit 31 and a second display unit 32. If the load detection module 2 does not generate the first The first display unit 31 is configured to display the first display state 33 when an alarm signal or the second alarm signal is displayed. For example, when the first display unit 31 is a white light, a green light, a blue light, or the like, the color is displayed. Then, when the load detection module 2 generates the first alarm signal, the first display unit 31 stops operating and is extinguished, and then the second display unit 32 operates to display the second display state 34, for example, the first Two display unit 32 is red light The light emitting display color.

The above descriptions are only for the preferred embodiment of the present invention and are not intended to limit the scope of the present invention; any person skilled in the art can make equal changes and modifications without departing from the spirit and scope of the present invention. , should be covered by the scope of this creation patent.

In summary, the improvement of the extension line structure of the overload warning of this creation is patented and valuable for the use of the industry; the applicant filed a patent application with the bureau in accordance with the provisions of the Patent Law.

1‧‧‧Connector

11‧‧‧Multiple socket module

12‧‧‧ plug

2‧‧‧Load Detection Module

3‧‧‧ display module

4‧‧‧Protection switch

5‧‧‧Main switch

6‧‧‧Multiple USB charging sockets

Claims (6)

The invention relates to an improved structure of an extension cord with an overload warning, comprising: a connecting seat, the surface of which is provided with a plurality of socket modules, one end of the connecting seat is electrically connected with a plug, and the plug is introduced into a preset mains transmission to the plurality of socket modules A load detection module is electrically connected to the plurality of socket modules for detecting the plurality of socket modules to generate a first alarm signal and a second alarm signal; The module is electrically connected to the load detection module at the other end of the surface of the connector. If there is no alarm signal during the power-on operation, the module is in a first display state, and if the alarm signal is received, a module is generated. a display state; a protection switch is disposed on the surface of the connector and electrically connected to the load detection module, the plurality of socket modules and the plug, and when the second alarm signal is received, the preset power is interrupted to be introduced into the plurality of sockets. The module is mainly used when the connector is used, the load detection module does not sense that the plurality of socket modules have an abnormal state and does not operate, and the display module displays the first display. When the load detection module senses that the plurality of socket modules have an abnormal state and the load value is equal to or slightly larger than the reference value, the display module is switched to the second display state; if the load detection The test module senses that the abnormal socket module has an abnormal state, and when the load value exceeds the reference value, the protection switch action interrupts the preset utility power introduction into the plurality of socket modules. The improvement of the extension line structure with the overload warning according to the first aspect of the patent application, wherein the load detection module presets a reference value and detects that the plurality of socket modules operate to obtain a load value, then the load A first alarm signal is generated when the value is equal to or slightly greater than the reference value, and a second alarm signal is generated when the load value exceeds the reference value. The extension cord structure with an overload warning as described in claim 1 is wherein the display module is a multi-color LED, a liquid crystal display or an LED array. The display module includes a first display unit and a second display unit, and the first display unit is configured to display the first display state, as described in claim 1, wherein the display module includes a first display unit and a second display unit. The second display unit receives the alarm signal to generate the second display state. The structure of the extension cord with the overload warning described in claim 1 is further improved, wherein the connector further includes a main switch, and the main switch is electrically connected to the plug and the protection switch respectively. The extension cord structure with overload warning according to claim 1 is further provided with a plurality of USB charging sockets on the surface of the connector and electrically connected to the main switch.