CN101169342B - Cable adapter temperature monitoring system - Google Patents
Cable adapter temperature monitoring system Download PDFInfo
- Publication number
- CN101169342B CN101169342B CN200710113077XA CN200710113077A CN101169342B CN 101169342 B CN101169342 B CN 101169342B CN 200710113077X A CN200710113077X A CN 200710113077XA CN 200710113077 A CN200710113077 A CN 200710113077A CN 101169342 B CN101169342 B CN 101169342B
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- triode
- diode
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a temperature monitoring system in the power engineering filed, in particular to a temperature monitoring system for a cable connector. The invention has the technical proposal that the temperature monitoring system comprises a power supply circuit, a detecting display circuit, an alarming circuit and a gate-control circuit, which are connected with each other. The invention is characterized in that the power supply circuit consists of capacitors C1 and C2, a diode D1 and a voltage stabilizing diode DW; the detecting display circuit consists of a triode T1, resistancesR1, R2 and R3, a thermistor RW1 and an LED 1; the alarming circuit consists of a triode T4 and a buzzer L; and the gate-control circuit is formed by connecting a diode D2 with a current limit resistance R10 in series. The invention has the advantages of easy mounting, low production cost, good effect of monitoring a plurality of connectors and safe and reliable use.
Description
Technical field
The present invention relates to a kind of temperature monitoring system in power engineering field, especially relate to a kind of cable adapter temperature monitoring system.
Background technology
In the power engineering field, cable adapter generally all is erected in dark place or the cable duct, if bringing onto load or deal with improperly over a long time, cable lug place easily heating is loosening, if in time do not find, connector temperature raises, and line resistance increases, and often causes three-phase imbalance or electrical hazard occurs.
Summary of the invention
Purpose of the present invention is exactly the defective that exists at prior art, a kind of simple installation is provided, can monitors and safe and reliable cable adapter temperature monitoring system by a plurality of contacts.
Its technical scheme is: comprise that power circuit, detection display circuit, warning circuit and gating circuit connect to form, it is characterized in that: power circuit connects fuse BR by an end of first capacitor C 1, its other end one tunnel connects the positive pole of the first diode D1, another road connects the negative pole of voltage stabilizing diode DW, the positive pole of second capacitor C 2 connects the negative pole of the first diode D1, its negative pole connects the composition of voltage stabilizing diode DW, wherein the positive terminal of second capacitor C 2 is a power positive end, and the negative pole of second capacitor C 2 is that power-is extreme; Detect display circuit is connected second resistance R 2 by the base stage one tunnel of the first triode T1 a end, another road connects an end of the 3rd resistance R 3, the collector one tunnel of the first triode T1 connects an end of first resistance R 1, another road connects the negative pole of the second diode D2, be in series with the first thermistor RW1 between the other end of the 3rd resistance R 3 and the power positive end, be in series with first LED 1 between the other end of first resistance R 1 and the power positive end, the base stage one tunnel of the second triode T2 connects an end of the 5th resistance R 5, another road connects an end of the 6th resistance R 6, the collector one tunnel of the second triode T2 connects an end of the 4th resistance R 4, another road connects the negative pole of the 3rd diode D3, be in series with the second thermistor RW2 between the other end of the 6th resistance R 6 and the power positive end, be in series with second LED 2 between the other end of the 4th resistance R 4 and the power positive end, the base stage one tunnel of the 3rd triode T3 connects an end of the 8th resistance R 8, another road connects an end of the 9th resistance R 9, the collector one tunnel of the 3rd triode T3 connects an end of the 7th resistance R 7, another road connects the negative pole of the 4th diode D4, be in series with the 3rd thermistor RW3 between the other end of the 9th resistance R 9 and the power positive end, be in series with the 3rd LED 3, the second resistance R 2 between the other end of the 7th resistance R 7 and the power positive end, the 5th resistance R 5, the other end of the 8th resistance R 8 and the first triode T1, the second triode T2, the emitter of the 3rd triode T3 connects power-jointly and extremely forms; Warning circuit connects an end of the tenth resistance R 10 by the base stage of the 4th triode T4, and the emitter of the 4th triode T4 connects power positive end, connects power-behind the collector series connection hummer L of the 4th triode T4 and extremely forms; Gating circuit is made up of positive pole connection back series connection the tenth resistance R 10 1 ends of the second diode D2, the 3rd diode D3, the 4th diode D4.
Detect display circuit by many groups and compose in parallel multichannel detection display circuit, current limliting the tenth resistance R 10 channeling gating circuits of connecting again after the diode cathode in the gating circuit connects.
Effect of the present invention has and installs additional easyly, and cost of manufacture is low, can a plurality of contacts monitoring and safe and reliable.
Description of drawings
Accompanying drawing is the circuit theory diagrams of present embodiment;
U connects the 220V power supply among the figure; K1 is a power switch; BR is a fuse.
Specific embodiment
Be further described with regard to its principle of work below in conjunction with accompanying drawing: the present invention mainly detects display circuit, warning circuit and three road gating circuits by power circuit, three tunnel and connects to form, and power circuit connects the first diode D1 by first capacitor C 1 and voltage stabilizing diode DW second capacitor C 2 in parallel is formed; First via detection display circuit connects first resistance R 1, second resistance R 2, the 3rd resistance R 3, the first thermistor RW1 and first LED 1 by the first triode T1 and forms, first resistance R 1, second resistance R 2, the 3rd resistance R 3, first thermistor RW1 series connection; The second tunnel detection display circuit connects the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the second thermistor RW2 and second LED 2 by the second triode T2 and forms; Third Road detection display circuit connects the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the 3rd thermistor RW3 and the 3rd LED 3 by the 3rd triode T3 and forms; The 4th triode T4 connects hummer L and forms warning circuit; The second diode D2, the 3rd diode D3, the 4th diode D4, the tenth current-limiting resistance R10 form three road gating circuits.
U connects the 220V power supply; Turning on the power switch K1, is example with the first via, and just often the first thermistor RW1 resistance is bigger for the cable lug temperature at ordinary times, and the base stage of the first triode T1 is an electronegative potential, not conducting of T1, and first LED 1 is not luminous.Simultaneously, the second also not conducting of diode D2, the 4th triode T4 by, hummer L is noiseless.If when the cable lug temperature raise, the first thermistor RW1 resistance diminished, the base stage that makes the triode T1 that wins is a noble potential, the T1 conducting, and first LED 1 is luminous.Simultaneously, the second also conducting of diode D2, the 4th triode T4 conducting, hummer L sends tweeting sound.Second and third road in like manner.
Claims (2)
1. cable adapter temperature monitoring system, comprise power circuit, detect display circuit, warning circuit and gating circuit connect to form, it is characterized in that: power circuit connects fuse (BR) by an end of first electric capacity (C1), its other end one tunnel connects the positive pole of first diode (D1), another road connects the negative pole of voltage stabilizing diode (DW), the positive pole of second electric capacity (C2) connects the negative pole of first diode (D1), its negative pole connects the composition of voltage stabilizing diode (DW), wherein the positive terminal of second electric capacity (C2) is a power positive end, and the negative pole of second electric capacity (C2) is that power-is extreme; Detect display circuit is connected second resistance (R2) by the base stage one tunnel of first triode (T1) a end, another road connects an end of the 3rd resistance (R3), the collector one tunnel of first triode (T1) connects an end of first resistance (R1), another road connects the negative pole of second diode (D2), be in series with first thermistor (RW1) between the other end of the 3rd resistance (R3) and the power positive end, be in series with first light emitting diode (LED1) between the other end of first resistance (R1) and the power positive end, the base stage one tunnel of second triode (T2) connects an end of the 5th resistance (R5), another road connects an end of the 6th resistance (R6), the collector one tunnel of second triode (T2) connects an end of the 4th resistance (R4), another road connects the negative pole of the 3rd diode (D3), be in series with second thermistor (RW2) between the other end of the 6th resistance (R6) and the power positive end, be in series with second light emitting diode (LED2) between the other end of the 4th resistance (R4) and the power positive end, the base stage one tunnel of the 3rd triode (T3) connects an end of the 8th resistance (R8), another road connects an end of the 9th resistance (R9), the collector one tunnel of the 3rd triode (T3) connects an end of the 7th resistance (R7), another road connects the negative pole of the 4th diode (D4), be in series with the 3rd thermistor (RW3) between the other end of the 9th resistance (R9) and the power positive end, be in series with the 3rd light emitting diode (LED3) between the other end of the 7th resistance (R7) and the power positive end, second resistance (R2), the 5th resistance (R5), the other end of the 8th resistance (R8) and first triode (T1), second triode (T2), the emitter of the 3rd triode (T3) connects power-jointly and extremely forms; Warning circuit connects an end of the tenth resistance (R10) by the base stage of the 4th triode (T4), and the emitter of the 4th triode (T4) connects power positive end, and collector series connection hummer (L) back of the 4th triode (T4) connects power-and extremely forms; Gating circuit is made up of positive pole connection back series connection the tenth resistance (R10) end of second diode (D2), the 3rd diode (D3), the 4th diode (D4).
2. cable adapter temperature monitoring system according to claim 1, it is characterized in that: detect display circuit by many groups and compose in parallel multichannel detection display circuit, current limliting the tenth resistance (R10) the channeling gating circuit of connecting again after the diode cathode in the gating circuit connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710113077XA CN101169342B (en) | 2007-10-31 | 2007-10-31 | Cable adapter temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710113077XA CN101169342B (en) | 2007-10-31 | 2007-10-31 | Cable adapter temperature monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101169342A CN101169342A (en) | 2008-04-30 |
| CN101169342B true CN101169342B (en) | 2010-06-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710113077XA Expired - Fee Related CN101169342B (en) | 2007-10-31 | 2007-10-31 | Cable adapter temperature monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101169342B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639385B (en) * | 2009-09-02 | 2011-09-07 | 北京交通大学 | Passive audible and visual alarm temperature indicating device |
| CN113324667B (en) * | 2021-04-22 | 2023-08-04 | 贵州电网有限责任公司 | Join in marriage net wireless temperature measurement monitoring devices |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278970A (en) * | 1979-05-02 | 1981-07-14 | Michael Streczyn | Alarm circuit for detecting overheated condition |
| CN86203224U (en) * | 1986-05-15 | 1987-03-18 | 廖德 | Over-temp. warner |
| CN1790213A (en) * | 2005-12-26 | 2006-06-21 | 南京农业大学 | Thermistor temperature measurement control method with voice prompt alarm function |
| CN201149531Y (en) * | 2007-10-28 | 2008-11-12 | 王亮德 | Device for monitoring temperature of cable conductor joint |
-
2007
- 2007-10-31 CN CN200710113077XA patent/CN101169342B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278970A (en) * | 1979-05-02 | 1981-07-14 | Michael Streczyn | Alarm circuit for detecting overheated condition |
| CN86203224U (en) * | 1986-05-15 | 1987-03-18 | 廖德 | Over-temp. warner |
| CN1790213A (en) * | 2005-12-26 | 2006-06-21 | 南京农业大学 | Thermistor temperature measurement control method with voice prompt alarm function |
| CN201149531Y (en) * | 2007-10-28 | 2008-11-12 | 王亮德 | Device for monitoring temperature of cable conductor joint |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-140047A 1997.05.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101169342A (en) | 2008-04-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20111031 |