CN209545136U - A kind of parallel running transformer acoustic-optic alarm - Google Patents
A kind of parallel running transformer acoustic-optic alarm Download PDFInfo
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- CN209545136U CN209545136U CN201920478598.3U CN201920478598U CN209545136U CN 209545136 U CN209545136 U CN 209545136U CN 201920478598 U CN201920478598 U CN 201920478598U CN 209545136 U CN209545136 U CN 209545136U
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Abstract
A kind of parallel running transformer acoustic-optic alarm, including transformer circuit and alarm circuit, the transformer circuit includes transformer T1, transformer T2, circuit breaker Q F1, circuit breaker Q F2 and circuit breaker Q F3, the alarm circuit includes relay circuit, warning lamp LD1 and warning lamp LD2, alarm flashing lamp HD1 and alarm flashing lamp HD2, warn sound source LB1 and warning sound source LB2, the transformer T1 is connect with circuit breaker Q F2, transformer T2 is connect with circuit breaker Q F1, QF3 is network interconnecting circuit, the utility model is applied in low-voltage power supply system, when any transformer phase failure of parallel running or when breaking down, low-pressure side breaker or network interconnecting circuit tripping, by this acoustic-optic alarm, sound-light alarm can be issued in time, remind monitoring personnel and When check failure, lighten the load, prevent failure propagation.Device control route is simple, safe and reliable to operation, practical.
Description
Technical field
The utility model relates to a kind of acoustic-optic alarm, specifically a kind of parallel running transformer acoustic-optic alarm.
Background technique
It in AC380V low-voltage power supply system, often will appear the case where more transformers connected in parallel are run, become when any
When depressor low-pressure side circuit breaker trip or network interconnecting circuit trip, other transformer loads that will lead to parallel running increase, such as
It is not equipped with acoustic-optic alarm, monitoring personnel cannot find failure in time, lighten the load, and may cause failure propagation, be equipped with this
After acoustic-optic alarm, sound-light alarm can be issued in time, reminded monitoring personnel to check failure in time, lightened the load, prevent failure
Expand.
The existing most circuit structure of acoustic-optic alarm is complicated, and control process is cumbersome, and response speed is slow, using very not
It is convenient.
Utility model content
The purpose of this utility model is to provide a kind of parallel running transformer acoustic-optic alarms, to solve the background
The problem of being proposed in technology.
In order to achieve the object, the utility model provides the following technical solutions:
A kind of parallel running transformer acoustic-optic alarm, including transformer circuit and alarm circuit, the transformer
Circuit includes transformer T1, transformer T2, circuit breaker Q F1, circuit breaker Q F2 and circuit breaker Q F3, the alarm circuit include after
Electrical circuit, warning lamp LD1 and warning lamp LD2, alarm flashing lamp HD1 and alarm flashing lamp HD2, warning sound source LB1 and warning
Sound source LB2, the transformer T1 are connect with circuit breaker Q F2, and transformer T2 is connect with circuit breaker Q F1, and QF3 is network interconnecting circuit;
Inlet side three-phase A1, B1, C1 of the circuit breaker Q F1 is separately connected relay KA1, relay KA2 and relay
Inlet side three-phase A2, B2, C2 of KA3, circuit breaker Q F2 are separately connected relay KA4, relay KA5 and relay KA6, relay
The contact of KA1, the contact of relay KA2, the contact of relay KA3, the auxiliary contact of circuit breaker Q F1, relay KA7 successively go here and there
Connection connection, the contact of relay KA4, the contact of relay KA5, the contact of relay KA6, circuit breaker Q F2 auxiliary contact, after
Electric appliance KA8 is sequentially connected in series, and the auxiliary contact and relay KA9 of circuit breaker Q F3 are sequentially connected in series, the touching of relay KA7
Point, the contact of relay KA8, the contact of relay KA9, relay KA10 are sequentially connected in series, the normally opened touching of relay KA10
Point one end connects 220V alternating current, and the other end connects warning lamp LD1 and warning lamp LD2, normally-closed contact one end of relay KA10
220V alternating current is connected, the other end connects alarm flashing lamp HD1, alarm flashing lamp HD2, warning sound source LB1 and warning sound source
LB2。
Further technical solution as the utility model: the alarm flashing lamp HD1 is red flashing light lamp.
Further technical solution as the utility model: the alarm flashing lamp HD2 is red flashing light lamp.
Further technical solution as the utility model: it is negative that electricity consumption is connected between the circuit breaker Q F2 and circuit breaker Q F3
Lotus.
Further technical solution as the utility model: it is negative that electricity consumption is connected between the circuit breaker Q F3 and circuit breaker Q F1
Lotus.
Compared with prior art, the utility model has the beneficial effects that the utility model is applied in low-voltage power supply system,
When any transformer phase failure of parallel running or when breaking down, low-pressure side breaker or network interconnecting circuit tripping pass through this
Acoustic-optic alarm can issue sound-light alarm in time, remind monitoring personnel to check failure in time, lighten the load, prevent failure from expanding
Greatly.Device control route is simple, safe and reliable to operation, practical.
Detailed description of the invention
Fig. 1 is the circuit diagram of transformer major loop.
Fig. 2 is the circuit diagram of alarm circuit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: a kind of parallel running transformer acoustic-optic alarm referring to FIG. 1-2, including transformer T1, transformation
Device T2, circuit breaker Q F1, circuit breaker Q F2 and circuit breaker Q F3, the transformer T1 are connect with circuit breaker Q F2, transformer T2 and disconnected
Road device QF1 connection, QF3 is network interconnecting circuit, and is connected to power load between circuit breaker Q F2 and circuit breaker Q F3.Breaker
Power load is connected between QF3 and circuit breaker Q F1.
Inlet side three-phase A1, B1, C1 of circuit breaker Q F1 is separately connected relay KA1, relay KA2 and relay KA3, breaks
Inlet side three-phase A2, B2, C2 of road device QF2 is separately connected relay KA4, relay KA5 and relay KA6, the touching of relay KA1
Point, the contact of relay KA2, the contact of relay KA3, the auxiliary contact of circuit breaker Q F1, relay KA7 are sequentially connected in series,
The contact of relay KA4, the contact of relay KA5, the contact of relay KA6, the auxiliary contact of circuit breaker Q F2, relay KA8
It is sequentially connected in series, the auxiliary contact and relay KA9 of circuit breaker Q F3 are sequentially connected in series, the contact of relay KA7, relay
The contact of device KA8, the contact of relay KA9, relay KA10 are sequentially connected in series, and normally opened contact one end of relay KA10 connects
220V alternating current is connect, the other end connects warning lamp LD1 and warning lamp LD2, and normally-closed contact one end of relay KA10 connects 220V
Alternating current, the other end connect alarm flashing lamp HD1, alarm flashing lamp HD2, warning sound source LB1 and warning sound source LB2.
1, transformer T1 or transformer T2 phase shortage, corresponding low-pressure side breaker inlet side power loss, relay KA1, KA2, KA3,
KA4, KA5, KA6 power loss.2, low-pressure side breaker or network interconnecting circuit tripping, corresponding low-voltage circuit breaker auxiliary contact QF1, QF2,
QF3 is disconnected, and acoustic-optic alarm is by control circuit movement, when normal: green light, when failure: green light goes out, red light dodges, loudspeaker
It rings.3, two sets of acoustic-optic alarms can be placed in as required by different location, such as switchgear house door, monitoring room.
It is in place of embodiment 2, with the difference of embodiment 1, alarm flashing lamp HD1 is red flashing light lamp.Alarm flashing lamp
HD2 is red flashing light lamp, and red warning lamp has more identification for the light of other colors, can draw faster
Play the attention of staff.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of parallel running transformer acoustic-optic alarm, including transformer circuit and alarm circuit, the transformer is returned
Road includes that transformer T1, transformer T2, circuit breaker Q F1, circuit breaker Q F2 and circuit breaker Q F3, the alarm circuit include relay
Device circuit, warning lamp LD1 and warning lamp LD2, alarm flashing lamp HD1 and alarm flashing lamp HD2, warning sound source LB1 and alarming sound
Source LB2, the transformer T1 are connect with circuit breaker Q F2, and transformer T2 is connect with circuit breaker Q F1, and QF3 is network interconnecting circuit,
It is characterized in that, inlet side three-phase A1, B1, C1 of the circuit breaker Q F1 is separately connected relay KA1, relay KA2 and relay
Inlet side three-phase A2, B2, C2 of KA3, circuit breaker Q F2 are separately connected relay KA4, relay KA5 and relay KA6, relay
The contact of KA1, the contact of relay KA2, the contact of relay KA3, the auxiliary contact of circuit breaker Q F1, relay KA7 successively go here and there
Connection connection, the contact of relay KA4, the contact of relay KA5, the contact of relay KA6, circuit breaker Q F2 auxiliary contact, after
Electric appliance KA8 is sequentially connected in series, and the auxiliary contact and relay KA9 of circuit breaker Q F3 are sequentially connected in series, the touching of relay KA7
Point, the contact of relay KA8, the contact of relay KA9, relay KA10 are sequentially connected in series, the normally opened touching of relay KA10
Point one end connects 220V alternating current, and the other end connects warning lamp LD1 and warning lamp LD2, normally-closed contact one end of relay KA10
220V alternating current is connected, the other end connects alarm flashing lamp HD1, alarm flashing lamp HD2, warning sound source LB1 and warning sound source
LB2。
2. a kind of parallel running transformer acoustic-optic alarm according to claim 1, which is characterized in that the warning is dodged
Light lamp HD1 is red flashing light lamp.
3. a kind of parallel running transformer acoustic-optic alarm according to claim 1, which is characterized in that the warning is dodged
Light lamp HD2 is red flashing light lamp.
4. a kind of parallel running transformer acoustic-optic alarm according to claim 1, which is characterized in that the breaker
Power load is connected between QF2 and circuit breaker Q F3.
5. a kind of parallel running transformer acoustic-optic alarm according to claim 1 to 4, which is characterized in that described
Power load is connected between circuit breaker Q F3 and circuit breaker Q F1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478598.3U CN209545136U (en) | 2019-04-10 | 2019-04-10 | A kind of parallel running transformer acoustic-optic alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920478598.3U CN209545136U (en) | 2019-04-10 | 2019-04-10 | A kind of parallel running transformer acoustic-optic alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545136U true CN209545136U (en) | 2019-10-25 |
Family
ID=68276056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920478598.3U Active CN209545136U (en) | 2019-04-10 | 2019-04-10 | A kind of parallel running transformer acoustic-optic alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545136U (en) |
-
2019
- 2019-04-10 CN CN201920478598.3U patent/CN209545136U/en active Active
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