TWM350146U - Electrical protection device of electrical socket - Google Patents

Electrical protection device of electrical socket Download PDF

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Publication number
TWM350146U
TWM350146U TW97213797U TW97213797U TWM350146U TW M350146 U TWM350146 U TW M350146U TW 97213797 U TW97213797 U TW 97213797U TW 97213797 U TW97213797 U TW 97213797U TW M350146 U TWM350146 U TW M350146U
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Taiwan
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socket
temperature
signal
temperature sensing
power
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TW97213797U
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Chinese (zh)
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Ying-Zhang Liu
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Prodigit Electronics Co Ltd
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Priority to TW97213797U priority Critical patent/TWM350146U/en
Publication of TWM350146U publication Critical patent/TWM350146U/en

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Description

M350146 八、新型說明: 【新型所屬之技術領域】 本創作係關於一種插座保護裝置,特別是關於一種偵 測插座之溫度而達到保護效果之插座用電狀況保護裝置。 【先前技術】 由於電器設備的普及,因此,用以提供電源至電器負 載之插座的安全性也格外重要。而插座使用上的安全性, 主要決定於插座的溫度高低。 然而插座在長時間的使用之下,會因空氣中的水分使 插座氧化生銹,以及因塵埃等物質,使插座累積塵埃。長 期使用後,插錢漸老化,造成積科f後容#使插座發 熱’導致插座在使时產生高熱度。另外長期使用的插座 ’其内部之夾持導電片彈性疲乏造成接觸不良,也會導致 插座在使用中產生高熱度,可能使插座燒毀。 種安全插座,包括一溫度感應器、 一電源供應、一警報器、一漏雷# 因此,在我國公告號第573815號專利案中,提出了一 、一微電腦、一轉換器M350146 VIII. New Description: [New Technology Field] This creation is about a socket protection device, especially for a socket power protection device that detects the temperature of the socket and achieves a protective effect. [Prior Art] Due to the popularity of electrical equipment, the safety of the socket for providing power to the electrical load is also extremely important. The safety of the socket is mainly determined by the temperature of the socket. However, under the long-term use of the socket, the socket will oxidize and rust due to moisture in the air, and the dust will accumulate in the socket due to substances such as dust. After long-term use, the money is gradually aging, causing the product to heat up the socket, causing the socket to generate heat when it is made. In addition, the long-term use of the socket's internal holding conductive sheet is elastic and fatigued, resulting in poor contact, which may also cause the socket to be heated in use, which may cause the socket to burn. A kind of safety socket includes a temperature sensor, a power supply, an alarm device, and a leaking mine. Therefore, in the patent case No. 573815 of our country, a microcomputer, a converter is proposed.

使電器不會因溫度過高或功率的 之功率,並可 不同,而造成 M350146 嚴重的火災或電器的燒壞。 就此而論,如何提供一種能翁 ,、,、去z,,, 勺隨曰守感測插座的溫度, 以達到防止㈣溫度過高之料裝置 解決的問題。 乃為此-業界亟待 【新型内容】 本創作所欲解決之技術問題:The appliance will not be subjected to excessive heat or power, and may be different, resulting in a serious fire or electrical burnout of the M350146. In this connection, how to provide a kind of energy can be used to prevent the temperature of the socket from being detected by the device. For this reason - the industry is urgently needed [new content] The technical problems that this creation wants to solve:

旦由於電線老舊、插頭與插座接觸不良,或是負載耗電 1過大,、皆會致使與插頭接觸的金屬導電片接觸面電阻增 加’造成溫度上升’產生高熱度,引發插座燒毀之危險。 -緣此’本創作之一目的即是提供—種插座用電狀況保 護裝置,當溫度感測元件感測到插座溫度過高,則插座用 電狀況保護裝置會將開關單元予精開,使插座斷電,以 防止插座過熱而燒毀。 本創作之另目的即疋提供一種插座用電狀況保護裝 置,當溫度感測元件感測到電源線溫度過高,則插座用電 狀況保護褒置會將開關單元予以斷開,使插座斷電,以防 止插座過熱而燒毀。 本創作解決問題之技術手段 本碧丨作為解決習知技術之問題所採用之技術手段係提 供一種插座用電狀況保護裝置。包括一溫度感測元件、一 溫度信號處理電路及一驅動電路。將溫度感測元件貼附於 一插座之一插座導電片或是導線表面,溫度感測元件將感 M350146 測一負載電流流經插座或電源線時所產生之一插座溫度信 號,並傳送至溫度信號處理電路。溫度信號處理電路接收 到溫度感測元件所傳送之插座溫度信號之後,將插座溫度 k唬與一基準信號數值做比較,當插座溫度信號高於基準 k號數值時,溫度信號處理電路將產生一斷電控制信號至 驅動電路。由驅動電路產生一驅動信號將開關單元予以斷 開,使電源停止傳送負載電流至插座。 本創作對照先前技術之功效 經由本創作所採用之技術手段,由於本創作係設置於 插座上,藉由溫度感測元件可以隨時感測插座使用時所產 生之溫度高低。當插座或電源線溫度高於基準信號時,驅 動電路將開關單元予以斷開,而電源將停止產生負載電流 至插座,以達到有效控制插座溫度之目的。因此,藉由本 創作可以有效避免插座因為長期使用,而累積塵埃、生銹 或者導電片接觸不良等老化情形,導致插座使用時所造成 的溫度上升、發熱,而產生之危害,進而降低不可預期災 害之風險,進而減少電器走火對家庭所造成之傷害。 本創作所採用的具體實施例,將藉由以下之實施例及 附呈圖式作進一步之說明。 【實施方式】 同時參閱第1圖及第2圖,第1圖係顯示本創作插座 用電狀況保護裝置第一實施例之示意圖,第2圖係顯示本If the wires are old, the plugs and sockets are not in good contact, or the load power consumption is too large, the contact resistance of the metal conductive sheets in contact with the plugs will increase, causing a high temperature, causing the socket to burn out. - The reason for this is to provide a power protection device for the socket. When the temperature sensing component senses that the temperature of the socket is too high, the power consumption protection device of the socket will pre-open the switch unit. The outlet is de-energized to prevent the socket from overheating and burning. Another object of the present invention is to provide a power protection device for a socket. When the temperature sensing component senses that the temperature of the power cable is too high, the power state protection device of the socket will disconnect the switch unit and power off the socket. To prevent the socket from overheating and burning. The technical means for solving the problem in this creation The technical means used by the present invention as a solution to the problem of the conventional technology provides a power protection device for the socket. The invention comprises a temperature sensing component, a temperature signal processing circuit and a driving circuit. The temperature sensing component is attached to a socket conductive piece or a wire surface of a socket, and the temperature sensing component senses a temperature signal generated by the M350146 when a load current flows through the socket or the power line, and transmits the temperature signal to the temperature. Signal processing circuit. After receiving the temperature signal of the socket transmitted by the temperature sensing component, the temperature signal processing circuit compares the socket temperature k唬 with a reference signal value. When the socket temperature signal is higher than the reference k value, the temperature signal processing circuit generates a Power off control signal to the drive circuit. A drive signal is generated by the drive circuit to disconnect the switch unit, causing the power supply to stop transmitting load current to the outlet. The effectiveness of this creation against the prior art is based on the technical means used in this creation. Since the creation system is installed on the socket, the temperature sensing element can sense the temperature generated by the socket at any time. When the socket or power line temperature is higher than the reference signal, the drive circuit will disconnect the switch unit, and the power supply will stop generating load current to the socket to effectively control the socket temperature. Therefore, this creation can effectively prevent the aging of the socket due to long-term use, such as dust, rust or poor contact of the conductive sheet, resulting in temperature rise and heat generated by the socket, thereby causing harm, thereby reducing unpredictable disasters. The risk, which in turn reduces the damage caused by electrical fires to the family. The specific embodiments used in the present application will be further illustrated by the following examples and accompanying drawings. [Embodiment] Referring to FIG. 1 and FIG. 2 together, FIG. 1 is a schematic view showing a first embodiment of the power state protection device of the present invention, and FIG. 2 is a view showing the present embodiment.

Claims (1)

M350146 九、申請專利範圍: ι_ 一種插座用電狀況保護裝置,係用以感測一插座供應至 一電器負載之用電狀況’該插座具有一對插座導電片, 分別經由電源線及一串聯於該電源線之一開關單元連接 至一電源,其特徵在於該插座保護裝置包括: 一溫度感測元件,鄰近配置在該插座之插座導電片,用 .以感測該插座導電片通過一負載電流時所產生之熱 能’並據以產生一插座溫度信號; 一溫度信號處理電路,用以接收該溫度感測元件所產生 之插座溫度信號,並與一預設基準信號比較後,若較 該預設基準信號為高,則據以產生一斷電控制信號; 一驅動電路,連接於該溫度信號處理電路與該開關單 元’該溫度信號處理電路產生之該斷電控制信號經由 該驅動電路產生之一驅動信號,控制該開關單元動 | 作,以切斷供應至該插座之電源。 2. 如申請專利範圍第丨項所述之插座用電狀況保護裝置, 其中該溫度感測元件係貼附在該插座之插座導電片之表 面。 3. 如申請專利範圍第丨項所述之插座用電狀況保護裝置, 其中該溫度感測元件係一熱敏電阻。 -15 - M350146 4·如申凊專利範圍第1項所述之插座用電狀況保護裝置, 其中該溫度信號處理電路包括: 一基準信號產生電路,用以產生該預設基準信號; —偏壓電阻,其一端連接至一工作電源端,另一端連接 該溫度感測元件,與該溫度感測元件組成一分壓電 路,依據該溫度感測元件之電阻變化,而產生該插座 • 溫度信號; # —比較器,該比較器之一輸入端係連接在該溫度感測元 件與該偏壓電阻之間,另一輸入端係連接該基準信號 產生電路,用以比較該溫度感測元件所感測之該插座 溫度彳§號與該預設基準信號,並依據該插座溫度信號 與預设基準#號之大小,產生一比較器輸出信號; —微處理器,連接該比較器與該驅動電路,依據該比較 器產生之比較器輸出信號,而產生該斷電控制信號。 驗 5.如申請專利範圍第1項所述之插座用電狀況保護裝置, 其中該溫度信號處理電路包括: —偏壓電阻,其一端連接至一工作電源端,另一端連接 該溫度感測元件,與該溫度感測元件組成一分壓電 路,依據該溫度感測元件之電阻變化,而產生該插座 溫度信號; 類比至數位轉換器,其輸入端係連接於該溫度感測元 件與偏壓電阻之間,用以將該插座溫度信號轉換為一 數位型態之插座溫度信號; -16 - M350146 理益’連接該類比至數位轉換器之輸出端與該驅 動電路’依據該類比至數位轉換器輸出端產生之該數 位型態之插座溫度信號,與—基準信號數值作一比 較,而產生該斷電控制信號。 6· -種插座用電狀況保護裝置,係用以感測—插座供應至 一電器負載之用電狀況,該插座具有—對插座導電片, 分別經由電源線及一串聯於該電源線之一開關單元連接 至-電源,其特徵在於該插座保護裝置包括: 一溫度感測元件,鄰近配置在該電源線,肋感測該電 源線通過-負载電流時之熱能,並據以產生一導線溫 度信號; /皿度k號處理電路,用以接收該溫度感測元件所產生 之該導線溫度信號,並與一預設基準信號比較後,若 _ 較該預設基準信號為高,關以產生—斷電控制信 號; —驅動電路,連接於該溫度信號處理電路與該開關單 元’該溫度信號處理電路產生之斷電控制信號經由該 驅動電路產生之驅動信號’控制該開關單元動作,以 切斷供應至該插座之電源。 如申請專利範圍第6項所述之插細電狀況保護裝置, 其中該溫度感測TG件係貼附在該電源線之表面。 M350146 8. 如申請專利範圍第6項所述之插座用電狀況保護裝置, 其中該溫度感測元件係一熱敏電阻。 9. 如申請專利範圍第6項所述之插座用電狀況保護裝置, 其中該溫度信號處理電路包括: —基準信號產生電路,用以產生該預設基準信號; ' —偏㈣阻’其—端連接至—卫作電源端,另-端連接 • 該溫度感測元件,與該溫度感測元件組成一分壓電 路,依據該溫度感測元件之電阻變化,而產生該導線 溫度信號; ' -比較器’該比較器之—輸人端係連接在該溫度感測元 件與該偏壓電阻之間,另一輸入端係連接該基準信號 產生電路,用以比較該溫度感測元件所感測之該導線 溫度信號與該預設基準信號,並依據該導線溫度信號 與預設基準信號之大小,產生一比較器輸出信號; • —微處理器,連接該比較器與該驅動電路,依據該比較 器產生之比較器輸出信號,而產生該斷電控制信號。 10.如申請專利範圍第6項所述之插座用電狀況保護裝置, 其中該溫度信號處理電路包括: —偏壓電阻,其一端連接至一工作電源端,另一端連接 該溫度感測元件,與該溫度感測元件組成一分壓電 路,依據該溫度感測元件之電阻變化,而產生該導線 溫度信號; -18- M350146 類比至數位轉換器,其輸入端係連接於該溫度感測元 件與偏壓電阻之間’用以將該導線溫度信號轉換為一 數位型態之導線溫度信號; 一微處理器’連接該類比至數位轉換器之輸出端與該驅 動電路,依據該類比至數位轉換器輸出端產生之該數 =里t之導線溫度錢,與—基準信隸值作一比 較,而產生該斷電控制信號。 -19 -M350146 Nine, the scope of application for patent: ι_ A power status protection device for sockets, which is used to sense the power supply status of a socket supplied to an electrical load. The socket has a pair of socket conductive sheets, respectively, connected via a power cord and a serial A switch unit of the power line is connected to a power source, wherein the socket protection device comprises: a temperature sensing component adjacent to the socket conductive piece disposed at the socket, for sensing the socket conductive piece through a load current The heat energy generated by the time is generated to generate a socket temperature signal; a temperature signal processing circuit for receiving the socket temperature signal generated by the temperature sensing component and comparing with a predetermined reference signal When the reference signal is high, a power-off control signal is generated; a driving circuit is connected to the temperature signal processing circuit and the switching unit generates the power-off control signal generated by the temperature signal processing circuit via the driving circuit. A driving signal is controlled to switch off the power supply to the socket. 2. The socket electrical condition protection device of claim 1, wherein the temperature sensing component is attached to a surface of the socket conductive strip of the socket. 3. The electrical condition protection device for a socket according to the above aspect of the invention, wherein the temperature sensing component is a thermistor. -15 - M350146. The electric power condition protection device of the socket according to claim 1, wherein the temperature signal processing circuit comprises: a reference signal generating circuit for generating the preset reference signal; a resistor, one end of which is connected to a working power terminal, and the other end is connected to the temperature sensing component, and the temperature sensing component forms a voltage dividing circuit, and the socket is generated according to the temperature change of the sensing element; ## comparator, one of the comparators is connected between the temperature sensing element and the bias resistor, and the other input is connected to the reference signal generating circuit for comparing the sense of the temperature sensing component Detecting the socket temperature 彳§ and the preset reference signal, and generating a comparator output signal according to the size of the socket temperature signal and the preset reference # number; - a microprocessor connecting the comparator and the driving circuit The power-off control signal is generated according to the comparator output signal generated by the comparator. 5. The electrical condition protection device for a socket according to claim 1, wherein the temperature signal processing circuit comprises: a bias resistor having one end connected to a working power terminal and the other end connected to the temperature sensing component Forming a voltage dividing circuit with the temperature sensing component to generate the socket temperature signal according to the temperature change of the sensing element; analog to digital converter, the input end of which is connected to the temperature sensing component and the bias Between the voltage resistors, the socket temperature signal is used to convert the socket temperature signal into a digital type; -16 - M350146 The benefit of 'connecting the analog to the output of the digital converter and the driving circuit' is based on the analog to digital The socket temperature signal of the digital type generated at the output of the converter is compared with the value of the reference signal to generate the power-off control signal. 6·---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- The switch unit is connected to the power source, wherein the socket protection device comprises: a temperature sensing component disposed adjacent to the power line, the rib sensing the thermal energy of the power line through the load current, and generating a wire temperature accordingly a signal processing circuit for receiving the temperature of the wire generated by the temperature sensing component, and comparing with a predetermined reference signal, if _ is higher than the predetermined reference signal, a power-off control signal; a driving circuit connected to the temperature signal processing circuit and the switching unit 'the power-off control signal generated by the temperature signal processing circuit generates a driving signal generated by the driving circuit to control the switching unit to cut Power is supplied to the outlet. The plug-in condition protection device according to claim 6, wherein the temperature sensing TG member is attached to a surface of the power line. The electric power condition protection device for a socket according to claim 6, wherein the temperature sensing element is a thermistor. 9. The electrical condition protection device for a socket according to claim 6, wherein the temperature signal processing circuit comprises: - a reference signal generating circuit for generating the preset reference signal; - a partial (four) resistance The end is connected to the weiwei power terminal, and the other end is connected. The temperature sensing component and the temperature sensing component form a voltage dividing circuit, and the wire temperature signal is generated according to the temperature sensing component of the temperature sensing component; '- Comparator' of the comparator - the input end is connected between the temperature sensing element and the bias resistor, and the other input is connected to the reference signal generating circuit for comparing the sense of the temperature sensing element Detecting the wire temperature signal and the preset reference signal, and generating a comparator output signal according to the wire temperature signal and the preset reference signal; • a microprocessor connecting the comparator and the driving circuit, according to The comparator generates a comparator output signal to generate the power down control signal. 10. The electrical condition protection device for a socket according to claim 6, wherein the temperature signal processing circuit comprises: a bias resistor having one end connected to a working power terminal and the other end connected to the temperature sensing component. Forming a voltage dividing circuit with the temperature sensing component to generate the wire temperature signal according to the resistance change of the temperature sensing component; -18- M350146 analog to digital converter, the input end of which is connected to the temperature sensing a wire temperature signal between the component and the bias resistor for converting the wire temperature signal into a digital type; a microprocessor 'connecting the analog to the output of the digital converter and the driving circuit, according to the analog The number of wires generated by the output of the digital converter = the temperature of the wire in the t, compared with the reference signal value, to generate the power-off control signal. -19 -
TW97213797U 2008-08-01 2008-08-01 Electrical protection device of electrical socket TWM350146U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI602361B (en) * 2016-04-11 2017-10-11 勝德國際研發股份有限公司 Power plug and outlet with smart thermal protection
TWI706611B (en) * 2018-03-30 2020-10-01 日商松下知識產權經營股份有限公司 Countermeasures against overheating of sockets and sockets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI602361B (en) * 2016-04-11 2017-10-11 勝德國際研發股份有限公司 Power plug and outlet with smart thermal protection
TWI706611B (en) * 2018-03-30 2020-10-01 日商松下知識產權經營股份有限公司 Countermeasures against overheating of sockets and sockets
TWI733570B (en) * 2018-03-30 2021-07-11 日商松下知識產權經營股份有限公司 Countermeasures against overheating of sockets and sockets

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