CN100527307C - display apparatus of novel earthing fault breaker - Google Patents
display apparatus of novel earthing fault breaker Download PDFInfo
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- CN100527307C CN100527307C CNB2006101042331A CN200610104233A CN100527307C CN 100527307 C CN100527307 C CN 100527307C CN B2006101042331 A CNB2006101042331 A CN B2006101042331A CN 200610104233 A CN200610104233 A CN 200610104233A CN 100527307 C CN100527307 C CN 100527307C
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Abstract
The present invention discloses a display device for a novel grounding fault breaker, and the device includes a touch switch which is arranged on the printed circuit board of the breaker; a bump block which is positioned on a disconnection device of the breaker and connected movably with a disconnection mechanism, the bump block is arranged in the position where the touch switch can be contacted; and a double-color LED, the first single-color LED of which connects with a power supply via the touch switch and a proper resistor; wherein, the power supply loop of the first single-color LED of the double-color LED can be connected or disconnected through the function of the bump block that is connected movably with the disconnection mechanism of the grounding fault breaker on the touch switch, thereby showing the working status of the grounding fault breaker.
Description
Technical field
The present invention relates to a kind of novel earthing fault protective device, particularly the operating state of circuit breaker shows.
Background technology
Because ground-fault interrupter can effectively prevent the person and get an electric shock, electrical equipment malfunction and fire incident, thereby be used widely.In order to improve the reliability of ground-fault interrupter, state-of-the art ground-fault interrupter has increased the life termination self-checking function.When life termination, circuit breaker should send alarm signal, so that the user upgrades in time, prevents contingency.
So how correctly and scientifically to demonstrate the residing state of circuit breaker, correctly use ground-fault interrupter with the prompting people, just become the current problem that presses for solution.
Summary of the invention
The purpose of the present invention's invention provides a kind of display unit of novel earthing fault breaker.The present invention only uses a light-emitting diode, just can correctly observably show ground-fault interrupter operate as normal, open circuit, three different operating states of life termination so that the prompting people correctly use ground-fault interrupter.Thereby simplified product structure, reduced manufacturing cost.
The above-mentioned purpose of invention is such realization, and a kind of display unit of novel earthing fault breaker comprises:
Touch-switch on printed substrate that is contained in circuit breaker;
A collision block, the device on the trip gear of circuit breaker and with the tripping mechanism interlock, this collision block is arranged on the position that can touch described touch-switch;
A dual-colored LED light-emitting diode, first single color LED of this dichromatic LED is connected power supply via touch-switch with proper resistor, and second single color LED of described dichromatic LED connects the output of the life-span stop detection circuit of described circuit breaker;
Wherein, by with the effect of the collision block of the tripping mechanism interlock of ground-fault interrupter to touch-switch, be switched on or switched off the electric power loop of first single color LED of above-mentioned dichromatic LED, thereby show the operating state of ground-fault interrupter.
Wherein, described dichromatic LED is contained on the printed substrate of circuit breaker by support, and exposes the circuit breaker surface panel.
Wherein, described collision block is positioned at the top of touch-switch.
Wherein, described touch-switch is a normal open switch, or normally closed switch.
Wherein, second single color LED of described dichromatic LED connects the output of the life-span stop detection circuit of described circuit breaker.
Wherein, the collision block of described and tripping mechanism interlock touches touch-switch when circuit breaker tripping, fashionable at circuit breaker closing, breaks away from touch-switch.
Wherein, described first single color LED is a green LED; Described second single color LED is a red light emitting diodes.
Wherein, first single color LED of described dichromatic LED is connected an end of power supply via touch-switch with resistor, and the center-side of described dichromatic LED connects the other end of power supply.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structure chart of novel earthing fault breaker of the present invention (GFCI) display unit;
Fig. 2 is the line map of novel earthing fault breaker of the present invention (GFCI) display unit.
Embodiment
Structure referring to display unit of the present invention shown in Figure 1.Dual-colored LED light-emitting diode (or the light-emitting diode of two different colours) 01 is contained in by support 03 on the printed substrate 02 of circuit breaker, and dichromatic LED 01 usefulness support 03 is propped up, and makes it expose circuit breaker surface panel (not shown); A single color LED (as green LED) of this dichromatic LED 01 is connected power supply via touch-switch 04 with proper resistor.Touch-switch 04 is contained on the printed substrate of circuit breaker.Collision block 05 device on the trip gear of circuit breaker, it and conventional tripping mechanism (sign) interlock, and be positioned at touch-switch 04 top.Above-mentioned tripping mechanism for example can adopt the disclosed tripping mechanism of CN1461032A or CN1549292A.
Operation principle of the present invention is, by with the control of 05 pair of touch-switch 04 of collision block of the tripping mechanism interlock of ground-fault interrupter, be switched on or switched off the electric power loop of a single color LED in the dichromatic LED 01, thereby show whether ground-fault interrupter earth fault takes place.That is to say, because the tripping mechanism interlock of collision block 05 and ground-fault interrupter, therefore the action of collision block 05 has directly reflected the malfunction of ground-fault interrupter, thereby by the control to touch-switch 04, shows this malfunction with dichromatic LED 01.
Details of the present invention and operation principle can be learnt from circuit diagram of the present invention shown in Figure 2.In Fig. 2, touch-switch K is corresponding to the touch-switch among Fig. 1 04; Dichromatic LED LED is corresponding to the dual-colored LED light-emitting diode 01 among Fig. 1.
A single color LED of dichromatic LED, for example green LED (hereinafter to be referred as a green light) end links to each other with touch-switch K terminals by resistance R 1; The touch-switch K other end links to each other with an end of power line, and the center-side of dichromatic LED links to each other with the other end of power supply.
Touch-switch K of the present invention can adopt normally closed interlock and two kinds of dual modes of normally open contact.
In the first kind of mode that adopts normally closed interlock, when ground-fault interrupter energising operate as normal, the reset condition that touch-switch K keeps normally closed (annotate: shown in Figure 2 is often to open) is connected the green light in the dichromatic LED (LED), and ground-fault interrupter will show green.When ground-fault interrupter generation earth fault, the tripping mechanism of circuit breaker begins action, collision block 05 with the tripping mechanism interlock can move downward with releasing structure, press touch-switch K and make its disconnection, thereby green light is extinguished, show that thus ground-fault interrupter is in the off-state of earth fault.
In the second way that adopts normally open contact, when ground-fault interrupter energising operate as normal, touch-switch K keeps often opening the reset condition of (as shown in Figure 2), and the green light in the dichromatic LED (LED) is extinguished, and ground-fault interrupter will not show green.When ground-fault interrupter generation earth fault, the tripping mechanism of circuit breaker begins action, collision block 05 with the tripping mechanism interlock can move downward with releasing structure, press touch-switch K and make its closure, thereby point gives a green light, and shows that ground-fault interrupter is in the off-state of earth fault.
After earth fault is eliminated, can make ground-fault interrupter reset to operating state by the Reset key.This moment, tripping mechanism turned back to the closing of power circuit breaker state, the collision block 05 that touches touch-switch K also moves upward with tripping mechanism, break away from touch-switch K, make touch-switch turn back to reset condition, thereby green light is lighted again in above-mentioned first mode, in above-mentioned second mode, extinguish, show that ground-fault interrupter is in normal operating conditions.
On the other hand, in order to show the ground-fault interrupter life termination, the present invention has also designed ground-fault interrupter life termination display unit, this display unit is by another single color LED of the dichromatic LED among Fig. 2, for example red light emitting diodes (hereinafter to be referred as red light) serves as, one end of this red light links to each other with the output of control circuit by a resistance R 2, connects as an output in the life-span stop detection circuit among Fig. 2.
When the ground-fault interrupter life termination, the life termination testing circuit of novel earthing fault breaker, to send control signal by single-chip microcomputer or other control device (such as the self-diagnostic circuit of the GFCI among the C17773890Y), and make the red light of dichromatic LED, intermittently connect according to the frequency of setting, thereby make dichromatic LED send the ruddiness of flicker, show ground-fault interrupter life termination, function lost efficacy, reminded the user to stop using.
Claims (8)
1. the display unit of a novel earthing fault breaker is characterized in that, it comprises:
Touch-switch on printed substrate that is contained in circuit breaker;
A collision block, the device on the trip gear of circuit breaker and with the tripping mechanism interlock, this collision block is arranged on the position that can touch described touch-switch;
A dual-colored LED light-emitting diode, first single color LED of this dichromatic LED is connected power supply via touch-switch with proper resistor, and second single color LED of described dichromatic LED connects the output of the life-span stop detection circuit of described circuit breaker;
Wherein, by with the effect of the collision block of the tripping mechanism interlock of ground-fault interrupter to touch-switch, be switched on or switched off the electric power loop of first single color LED of above-mentioned dichromatic LED, thereby show the operating state of ground-fault interrupter.
2. display unit according to claim 1 is characterized in that described dichromatic LED is contained on the printed substrate of circuit breaker by support, and exposes the circuit breaker surface panel.
3. display unit according to claim 1 is characterized in that described collision block is positioned at the top of touch-switch.
4. display unit according to claim 1 is characterized in that described touch-switch is a normal open switch.
5. display unit according to claim 1 is characterized in that described touch-switch is a normally closed switch.
6. display unit according to claim 1 is characterized in that, the collision block of described and tripping mechanism interlock touches touch-switch when circuit breaker tripping, fashionable at circuit breaker closing, breaks away from touch-switch.
7. display unit according to claim 1 is characterized in that, described first single color LED is a green LED.
8. display unit according to claim 1 is characterized in that, described second single color LED is a red light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101042331A CN100527307C (en) | 2006-08-03 | 2006-08-03 | display apparatus of novel earthing fault breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101042331A CN100527307C (en) | 2006-08-03 | 2006-08-03 | display apparatus of novel earthing fault breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101118820A CN101118820A (en) | 2008-02-06 |
| CN100527307C true CN100527307C (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101042331A Active CN100527307C (en) | 2006-08-03 | 2006-08-03 | display apparatus of novel earthing fault breaker |
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| Country | Link |
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| CN (1) | CN100527307C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206187B (en) * | 2016-08-31 | 2018-09-18 | 江苏创能电器有限公司 | A kind of leakage circuit breakers |
| US10332698B2 (en) * | 2016-12-21 | 2019-06-25 | Eaton Intelligent Power Limited | System and method for monitoring contact life of a circuit interrupter |
| CN112924899B (en) * | 2019-04-22 | 2022-04-05 | 福建通力达实业有限公司 | Intelligent circuit breaker with short circuit detection function |
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2006
- 2006-08-03 CN CNB2006101042331A patent/CN100527307C/en active Active
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| Publication number | Publication date |
|---|---|
| CN101118820A (en) | 2008-02-06 |
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Owner name: SHANGHAI TONGLING INVESTMENT DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI TONGLING ELECTRIC CO., LTD. Effective date: 20130216 |
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