TWM482869U - Plug or socket structure of temperature sensing alarm - Google Patents

Description

Plug or socket construction for temperature alarm

The present invention relates to a plug or socket structure for a temperature sensing alarm, and more particularly to a temperature sensing switch element of a body temperature alarm circuit board that can be deformed by heating to a deformation temperature, and is turned on. The electrical circuit of the temperature alarm circuit board in turn issues an alarm plug or socket configuration.

At present, plug construction or socket construction is common in the market, and the electrical appliances currently seen need to be plugged into a wall socket at one end to provide power, and the other end is inserted into the appliance to input the power. To the appliance, the appliance can be activated. However, when the load flowing through the electric wire is too large, it is liable to be burnt due to excessive temperature, and there is a serious problem that the electric wire is ignited. Therefore, the plug structure having the warning function is, for example, the "Motion Structure of the Plug" of the Republic of China New Patent Publication No. M446995, and particularly refers to a warning structure for a plug which can emit a warning smell when overheated, which is mainly attached to a plug body. Forming a slot, the heat sink is provided with a heat-conducting metal seat, and the heat-conducting metal seat is provided with an early warning unit. The early warning unit has a heat-conducting shell which can be attached to the heat-conducting metal seat, and the heat-conducting shell is provided with an aromatic substance. A cover body is fixed on the top surface of the heat-conducting casing, and the cover body is formed with at least one air hole, whereby the fragrance in the warning unit continues to emit fragrance when the temperature of the plug rises to a temperature at which the fragrance emits odor To remind users to view or maintain.

In addition, the socket structure with warning function is as in the case of the Republic of China Invention Patent Announcement No. 422419 "Socket structure with power display and overload warning effect", which is evolved according to the applicant's new patent case No. 682, 908. The improvement is mainly based on the electric power indicator table connected to the circuit in the opening of the original body socket body, and the electric quantity indicator shows that the scale is decorated with appropriate color or warning mark to make a distinction between the safety quantity and the dangerous quantity. When the socket is plugged into the load, the current indicator can display the current load of the current socket, or a thermistor can be used to drive the warning circuit to generate a warning sound, so that the user can adjust the power consumption of the socket. situation.

However, the above-mentioned conventional ones have the following disadvantages that still need to be improved:

1. The conventional "warning structure of the plug" reveals that the plug can emit a warning smell when it is overheated, but the warning smell is not effective and immediately reaches the warning effect, so the plug may be damaged due to overheating or other accidents. The danger.

2. It is known that the "socket structure with power display and overload warning effect" discloses that a power indicator is provided on the side of the socket body to display the current load of the current socket, but the indicator is pointer type, so it is easy to be damaged. The disadvantage of causing errors.

3. It is known that the "socket structure with power display and overload warning effect" has a thermistor that can drive the warning circuit to generate a warning sound, but the components of the thermistor are aging and therefore have poor stability.

In order to improve the above-mentioned "plug warning structure", the creator still has the disadvantage that the plug will be damaged by overheating and the risk of accidents, and the conventional "socket structure with power display and overload warning effect" The disclosed the thermistor component is easy to aging, and thus has the disadvantage of poor stability, so the invention is continuously innovated, and a plug or socket structure for sensing the temperature alarm is proposed, which comprises: a body, the body comprising a temperature alarm circuit The temperature sensing circuit board includes a temperature sensing switch element and a warning element that are deformed after being heated to a deformation temperature, wherein the temperature sensing switch element is heated to the deformation temperature to cause the The electrical circuit of the temperature alarm circuit board is turned on, and the alarm element sends a warning signal.

Wherein, the temperature sensing switch element is a double metal piece, and the bimetal piece comprises two metal pieces with different expansion coefficients.

Further, the temperature alarm circuit board includes a functional test component connected in parallel with the temperature sensitive switch component.

Wherein, the system is one of a plug, a socket or a combination thereof.

Wherein, the socket is one of an extension cord socket or an adapter socket.

Wherein, the alarm component is one of an LED lamp, a speaker or a combination thereof.

The temperature alarm circuit board includes a first AC power source, a first temperature switch, a first test piece, a first resistor, a lamp, a first diode, and a second resistor. a first capacitor and a first buzzer, wherein one end of the first alternating current power source is electrically connected to one end of the first temperature sensing switch and one end of the first test piece, and the other end of the first temperature sensing switch The other end of the first test piece is electrically connected to one end of the first resistor, one end of the first capacitor, and one end of the first buzzer, and the other end of the first resistor is electrically connected to one end of the xenon lamp The other end of the first lamp is electrically connected to the other end of the first AC power source and the anode end of the first diode, and the cathode end of the first diode is electrically connected to one end of the second resistor. The other end of the second resistor is electrically connected to the other end of the first capacitor and the other end of the first buzzer.

The temperature alarm circuit board includes a second AC power source, a second temperature switch, a second test component, a second capacitor, a third resistor, a second diode, and a third a pole body, a third capacitor, a second buzzer, a fourth resistor, and a light emitting diode, wherein one end of the second alternating current power source is electrically connected to one end of the second temperature sensitive switch and the first One end of the second test piece, the other end of the second AC power source is electrically connected to one end of the second capacitor and one end of the third resistor, and the other end of the second temperature sensitive switch is electrically connected to the other end of the second test piece. Connecting an anode end of the second diode to one end of the third capacitor, one end of the second buzzer, one end of the fourth resistor, and the other end of the fourth resistor is electrically connected to the light emitting diode a cathode end of the body, the anode end of the light emitting diode is electrically connected to the other end of the second buzzer, the other end of the third capacitor and the cathode end of the third diode, the third The anode end of the diode is electrically connected to the cathode end of the second diode and the second capacitor One end, the other end of the third resistor.

The effect of this creation is:

1. This creation mainly uses a temperature-sensing relationship on the temperature-sensing alarm circuit board as a pair of metal sheets. When the bi-metal sheet is heated, the metal sheet with a large expansion coefficient is biased toward the metal sheet with a small expansion coefficient. Deformation, and the electrical circuit of the temperature alarm circuit board is turned on, thereby emitting an alarm sound and/or light to avoid a disaster.

2. This creation has a functional test component on the main body, which can test whether the temperature alarm circuit board disclosed in this creation is in a normal state, so the reliability can be improved in the use of the alarm.

3. The temperature-sensing relationship of the creation uses a pair of metal sheets, and the bimetal is not easy to age, so the stability is high and the service life is long.

4. This creation has a wide range of applications, which can be applied to plugs, sockets, extension cord sockets, adapter sockets, etc., so that it has the effect of temperature sensing alarm.

The technical features and enhancements of the present invention can be clearly presented in conjunction with the preferred embodiment of the following drawings. The present invention is a plug or socket structure for a temperature alarm. First, please refer to the first to third figures. Shows that it contains:

A body (1), in the embodiment, is a plug (11) and a socket (12), the plug (11) includes a temperature alarm circuit board (110), a function a test component (111), an LED lamp (112), and a horn hole (113), wherein the temperature alarm circuit board (110) includes a first AC power source (1101) and a first temperature sensor switch (1102). a first test piece (1103), a first resistor (1104), a lamp (1105), a first diode (1106), a second resistor (1107), and a first capacitor (1108) And a first buzzer (1109), and electrically connected to each other: one end of the first alternating current power source (1101) is electrically connected to one end of the first temperature sensing switch (1102) and the first test One end of the first (1103), the other end of the first temperature sensing switch (1102) is electrically connected to the other end of the first test piece (1103) One end of the resistor (1104), one end of the first capacitor (1108), and one end of the first buzzer (1109), and the other end of the first resistor (1104) is electrically connected to one end of the xenon lamp (1105). The other end of the xenon lamp (1105) is electrically connected to the other end of the first alternating current power source (1101) and the anode end of the first diode (1106), and the first diode (1106) is negative. One end of the second resistor (1107) is electrically connected to the other end, and the other end of the second resistor (1107) is electrically connected to the other end of the first capacitor (1108) and the other end of the first buzzer (1109). . The socket (12) further includes a temperature alarm circuit board (120), a functional test component (121), an LED lamp (122) and a horn hole (123), wherein the temperature alarm circuit board The (120) includes a first AC power source (1201), a first temperature sensor switch (1202), a first test component (1203), a first resistor (1204), a lamp (1205), and a a first diode (1206), a second resistor (1207), a first capacitor (1208), and a first buzzer (1209), and electrically connected to each other: the first AC power source ( 1201) One end is electrically connected to one end of the first temperature sensing switch (1202) and one end of the first testing component (1203), and the other end of the first temperature sensing switch (1202) and the first testing component (1203) The other end is electrically connected to one end of the first resistor (1204), one end of the first capacitor (1208), and the first bee One end of the first resistor (1204) is electrically connected to one end of the xenon lamp (1205), and the other end of the xenon lamp (1205) is electrically connected to the first alternating current power source (1201). One end is opposite to the anode end of the first diode (1206), and the cathode end of the first diode (1206) is electrically connected to one end of the second resistor (1207), and the second resistor (1207) The other end is electrically connected to the other end of the first capacitor (1208) and the other end of the first buzzer (1209). In the embodiment, the value of the first resistor (1204) is 120KΩ, the model of the first diode (1206) is 1N4007, and the value of the second resistor (1207) is 6.8KΩ. The value of the first capacitor (1208) is 100 microfarads, and further, when the temperature does not turn on the electrical loop of the temperature alarm circuit board (110) (120), that is, the first temperature switch (1102) (1202) is in an OFF state, at which time the electrical circuit of the temperature alarm circuit board (110) (120) consumes power equal to 0 watts; and if the temperature has reached, the temperature alarm circuit is When the electrical circuit of the board (110) (120) is turned on, that is, the first temperature sensing switch (1102) (1202) is in an ON state, and the temperature sensing circuit board (110) (120) is powered at this time. The power consumption of the circuit is less than 12 mA, and the measured value is between 6 mA and 10 mA.

Further, referring to the fourth and fifth figures, it is to be noted that the first temperature sensing switch (1102) of the temperature sensing circuit board (110) on the plug (11) and the socket (12) The first temperature sensing switch (1202) of the upper temperature sensing circuit board (120) is a double metal piece, and the bimetal piece is a metal piece having two different expansion coefficients, wherein the bimetal piece The principle of heat operation is: using the principle of shrinkage and thermal expansion of metal volume, after two metal sheets with different expansion coefficients are joined together, when the temperature changes, the metal sheet with larger expansion coefficient will be biased toward the metal sheet with small expansion coefficient. That is, the bending deformation is generated. In this embodiment, the electrical circuit of the temperature sensing circuit board (110) (120) is further turned on, and the first buzzer (1109) (1209) is alerted. Sound is emitted through the horn hole (113) (123), and the LED lamp (112) (122) generates an alert light to avoid the plug (1) Or the socket (12) is still used again in the overheated state, thereby increasing the safety in use, and the first test piece (1103) (1203) can be further tested and disposed on the plug (11) / socket (12) Whether the temperature sensing alarm circuit board (110) (120) is in a normal operating state.

Furthermore, another embodiment, as shown in the sixth figure, has an extension cord socket (A), and the extension cord socket (A) includes a temperature alarm circuit board (A1) and a functional test component (A11). , an LED lamp (A12) and a horn hole (A13), and the temperature sensor circuit board (A1) includes electronic components as described above, and the extension cable socket (A) includes a plurality of socket groups The plug of the electric appliance can be inserted. When the load current is too large due to the use of multiple electric appliances at the same time, the temperature will rise and the temperature rises to a deformation temperature, and the temperature alarm circuit board (A1) Because of the deformation temperature, the metal piece having a large expansion coefficient is biased toward the metal piece having a small expansion coefficient, that is, bending deformation occurs, and the electrical circuit of the temperature sensing circuit board (A1) is turned on. The LED lamp (A12) will immediately emit a bright light or a flash, and a warning sound is emitted from the horn hole (A13), thereby effectively alerting the user to immediately handle the state to avoid The temperature continues to be too high, causing an instantaneous wire to escape and causing irreparable damage. In addition, the functional test component (A11) can further test the temperature alarm circuit board (A1) disposed on the extension cable socket (A). Whether it is a normal state of operation.

Furthermore, in another embodiment, please refer to the seventh figure. In this embodiment, there is a one-to-one adapter socket (C), that is, a three-pin socket corresponding to one two-pin socket (C) And the adapter socket (C) is inserted into a wall by using the two pins when in use, when any one of the electrical appliances is inserted into the adapter socket (C), and if the load current is too large, When the temperature rises, the metal piece having a large expansion coefficient of the bimetal may be biased toward the metal piece having a small expansion coefficient, that is, bending deformation is generated, and the electrical circuit of the temperature sensing circuit board (C1) is turned on. A warning light is emitted by the LED lamp (C12), and an alarm sound is emitted from the horn hole (C13) to prevent the transfer socket (C) from being used again in an overheated state, thereby increasing the safety of use. The function test component (C11) is configured to test whether the temperature alarm circuit board (C1) is in a normal working state, that is, whether the warning light is emitted by the LED lamp (C12), and Have Whether packets sent by the horn sound hole (C13), this system design ensures that at normal temperature sensing whether the alarm circuit board (C1) as a normal actuated state, thereby improving the accuracy of use.

Furthermore, another circuit diagram of the present invention, as shown in the eighth figure, has a temperature alarm circuit board (D), wherein the temperature alarm circuit board (D) includes a second AC power source (D1), a first Two temperature sensor switch (D2), a second test piece (D3), a second capacitor (D4), a third resistor (D5), a second diode (D6), and a third diode ( D7), a third capacitor (D8), a second buzzer (D9), a fourth resistor (D10), and a light emitting diode (D11), wherein the electrical connection relationship with each other is: One end of the second alternating current power source (D1) is electrically connected to one end of the second temperature sensing switch (D2) and one end of the second testing component (D3), and the other end of the second alternating current power source (D1) is electrically connected to the first One end of the second capacitor (D4) and one end of the third resistor (D5), and the other end of the second temperature sensing switch (D2) and the other end of the second testing component (D3) are electrically connected to the second diode The anode end of the body (D6) and the third capacitor D8) one end, one end of the second buzzer (D9), one end of the fourth resistor (D10), and the other end of the fourth resistor (D10) is electrically connected to the cathode of the light emitting diode (D11) Extremely, the anode end of the light emitting diode (D11) is electrically connected to the other end of the second buzzer (D9), the other end of the third capacitor (D8) and the third diode (D7) The cathode end of the third diode (D7) is electrically connected to the cathode end of the second diode (D6) and the other end of the second capacitor (D4), the third The other end of the resistor (D5) is mainly formed by the second temperature sensing switch (D2) being a double metal piece, and the metal piece having a large expansion coefficient is biased toward the metal piece having a small expansion coefficient, that is, bending deformation occurs. And causing the electrical circuit of the temperature sensing circuit board (D) to be turned on, thereby emitting an alarm sound or/and a bright light, wherein, in the embodiment, the value of the second capacitance (D4) is 474 joules. The value of the third resistor (D5) is 1MΩ, the model of the second diode (D6) is 1N4749, the model of the third diode (D7) is 1N4007, and the value of the third capacitor (D8) is 3.3μ farad. The value of the fourth resistor (D10) is 220 Ω, and when the temperature does not turn on the electrical loop of the temperature alarm circuit board (D), the second temperature switch (D2) is In the OFF state, the power circuit of the temperature alarm circuit board (D) consumes 0 watts of power; if the temperature has reached, the electrical circuit of the temperature alarm circuit board (D) is turned on, that is, The second temperature sensing switch (D2) is in an ON state, and the power circuit of the temperature sensing alarm circuit board (D) consumes 20 mA.

Furthermore, in another embodiment, please refer to the ninth figure. In this embodiment, there is a one-to-many adapter socket (E), that is, one socket with two sockets corresponding to multiple sockets (E) And the transfer socket (E) includes a temperature alarm circuit board (E1), a functional test component (E2), an LED lamp (E3), and a horn hole (E4), when any electrical device is inserted Placed on the transfer socket (E), and if the load current is too large, the temperature rises, the metal piece on the temperature alarm circuit board (E1) has a large expansion coefficient, and the metal piece has a coefficient of expansion. a small metal piece, that is, bending deformation is generated, and the electrical circuit of the temperature sensing circuit board (E1) is turned on, and a warning light is emitted by the LED lamp (E3), and an alarm sound is emitted by the speaker. The hole (E4) is issued to prevent the transfer socket (E) from being used again in an overheated state, thereby increasing the safety in use, and the functional test element (E2) can be used to test the temperature alarm circuit. Board (E1) Whether it is in normal working condition.

In view of the above description of the embodiments, the above-described embodiments are merely a preferred embodiment of the present invention, and the implementation of the present invention is not limited thereto. The scope, that is, the simple equivalent changes and modifications made in accordance with the scope of the patent application and the description of the invention are within the scope of this creation.

(1)‧‧‧ Body (11)‧‧‧ Plug (110)‧‧‧ Temperature Alarm Circuit Board (1101)‧‧‧First AC Power Supply (1102)‧‧‧First Temperature Switch (1103)‧ ‧‧First test piece (1104)‧‧ First resistance (1105) ‧‧ 氖 lamp (1106) ‧ ‧ first diode (1107) ‧ ‧ second resistance (1108) ‧ ‧ A capacitor (1109) ‧‧‧ first buzzer (111)‧‧‧ functional test component (112)‧‧‧LED lamp (113)‧‧‧ horn hole (12)‧‧‧ socket (120)‧‧ ‧ Temperature alarm circuit board (1201) ‧ ‧ first AC power supply (1202) ‧ ‧ first temperature switch (1203) ‧ ‧ first test piece (1204) ‧ ‧ first resistance (1205) ‧ ‧ 氖 氖 (1206) ‧ ‧ first diode (1207) ‧ ‧ second resistance (1208) ‧ ‧ first capacitance (1209) ‧ ‧ first bee (121)‧‧‧ functional test components (122)‧‧‧LED lights (123)‧‧‧ horn holes (A)‧‧‧ Extension cord sockets (A1)‧‧‧ Temperature alarm circuit board (A11) ‧ ‧ functional test components (A12) ‧ ‧ LED lights (A13) ‧ ‧ horn holes (C) ‧ ‧ sockets (C1) ‧ ‧ temperature alarm circuit board (C11) ‧ ‧ functional test components (C12)‧‧‧LED lights (C13)‧‧‧ Horn holes (D)‧‧‧ Temperature alarm circuit board (D1)‧‧‧Second AC power supply (D2)‧‧‧Second temperature switch (D3 )‧‧‧Second test piece (D4)‧‧‧Second capacitor (D5)‧‧ Third resistance (D6)‧‧‧Second diode (D7)‧‧‧ Third diode (D8 ) ‧ ‧ third capacitor (D9) ‧ ‧ second buzzer (D10) ‧ ‧ fourth resistor (D11) ‧ ‧ light-emitting diode (E) ‧ ‧ adapter socket (E1) ‧ ‧ ‧ Temperature alarm circuit board (E2) ‧‧‧ Test element (E3) ‧‧‧LED lamp (E4) ‧‧‧ speaker hole

[First figure] is a schematic diagram of the structure of the creation, illustrating a plug configuration. [Second figure] is another schematic diagram of the creation of the present invention, illustrating a socket configuration. [Third image] is a circuit diagram of this creation. [Fourth figure] is a schematic diagram of the use state of the first figure of the creation, indicating that the LED light emits a warning light, and an alarm sound is emitted by the horn hole. [Picture 5] is a schematic diagram of the use state of the second diagram of the creation, indicating that the LED light emits a warning light, and an alarm sound is emitted from the horn hole. [Sixth Drawing] is a diagram of another embodiment of the present invention, illustrating application to an extension cord socket. [Seventh] is a perspective view of another embodiment of the present invention, illustrating the application to a one-to-one adapter socket. [The eighth picture] is another circuit diagram of this creation. [9th] is a perspective view of another embodiment of the present invention, illustrating the application to a one-to-many adapter socket.

(1) ‧‧‧ Ontology

(11)‧‧‧ Plug

(110)‧‧‧temperature alarm circuit board

(111)‧‧‧ functional test components

(112)‧‧‧LED lights

(113)‧‧‧ horn holes

(12)‧‧‧ socket

(120)‧‧‧ Temperature alarm circuit board

(121)‧‧‧ functional test components

(122)‧‧‧LED lights

(123)‧‧‧ horn holes

Claims (8)

A plug or socket structure for temperature sensing alarm, comprising: a body, the body comprising a temperature alarm circuit board, wherein the temperature alarm circuit board comprises a temperature sensing deformation due to heating to a deformation temperature The switching element and an alarm element enable the electrical circuit of the temperature sensing circuit board to be turned on after the temperature sensing switch element is heated to the deformation temperature, and cause the alarm element to emit a warning signal. The plug or socket structure of the temperature sensing alarm according to claim 1, wherein the temperature sensing switch element is a double metal piece, and the bimetal piece comprises two metal pieces with different expansion coefficients. . The plug or socket structure of the temperature sensing alarm according to claim 1, wherein the temperature sensing circuit board further comprises a functional test component connected in parallel with the temperature sensing switch component. The plug or socket configuration of the temperature sensing alarm of claim 1, wherein the system is one of a plug, a socket, or a combination thereof. The plug or socket configuration of the temperature sensing alarm of claim 4, wherein the socket is one of an extension cord socket or a patch socket. The plug or socket configuration of the temperature sensing alarm of claim 1, wherein the alarm element is one of an LED lamp, a speaker, or a combination thereof. The plug or socket structure of the temperature sensing alarm according to the first aspect of the invention, wherein the temperature alarm circuit board comprises a first alternating current power source, a first temperature sensing switch, a first test piece, and a first a resistor, a lamp, a first diode, a second resistor, a first capacitor, and a first buzzer, wherein the first AC power source is electrically connected to the first temperature switch One end of the first test piece and the other end of the first test piece are electrically connected to the first resistor end, the first capacitor end and the first bee One end of the first resistor is electrically connected to one end of the xenon lamp, and the other end of the xenon lamp is electrically connected to the other end of the first alternating current power source and the anode end of the first diode. The cathode end of the first diode is electrically connected to one end of the second resistor, and the other end of the second resistor is electrically connected to the other end of the first capacitor and the other end of the first buzzer. The plug or socket structure of the temperature sensing alarm according to claim 1, wherein the temperature alarm circuit board comprises a second alternating current power source, a second temperature sensitive switch, a second test piece, and a first a second capacitor, a third resistor, a second diode, a third diode, a third capacitor, a second buzzer, a fourth resistor, and a light emitting diode, wherein the One end of the second AC power source is electrically connected to one end of the second temperature sensitive switch and one end of the second test piece, and the other end of the second AC power source is electrically connected to one end of the second capacitor and one end of the third resistor. The other end of the second temperature sensing switch and the other end of the second test piece are electrically connected to the anode end of the second diode and the third capacitor end, the second buzzer end, the first One end of the fourth resistor, the other end of the fourth resistor is electrically connected to the cathode end of the light emitting diode, and the anode end of the light emitting diode is electrically connected to the other end of the second buzzer, the third The other end of the capacitor and the cathode end of the third diode, the third diode The anode end is electrically connected to the cathode end of the second diode and the other end of the second capacitor, and the other end of the third resistor.