CN205230800U - Outdoor current transformer of open -type - Google Patents
Outdoor current transformer of open -type Download PDFInfo
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- CN205230800U CN205230800U CN201521116677.8U CN201521116677U CN205230800U CN 205230800 U CN205230800 U CN 205230800U CN 201521116677 U CN201521116677 U CN 201521116677U CN 205230800 U CN205230800 U CN 205230800U
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- current transformer
- open type
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- type outdoor
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims description 8
- 230000003111 delayed effect Effects 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 7
- 241000256844 Apis mellifera Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an outdoor current transformer of open -type, the problem of the current transformer alarm device the that whether rainwater has leak in in not can this current transformer of visual display is solved, a technical solution is characterized in that, be coupled on the casing and be used for detecting the detection alarm circuit that the rainwater got into the interior realization warning of casing, the detection alarm circuit gets into interior output detection signal's the rainwater sensor of casing including being used for detecting the rainwater, an alarm unit is reported to the police with the realization that is used for receiving detection signal and exports control signal's the control unit and be controlled by control signal, the utility model discloses an outdoor current transformer of open -type is through the setting of detection alarm circuit for the rainwater sensor is with whether to rainy hourglass goes into to detect, and report to the police in order to realize the ability intuitive judgment condition of rainy hourglass income through the alarm unit.
Description
Technical field
The utility model relates to current transformer, and more particularly, it relates to a kind of open type Outdoor Current Transformer.
Background technology
Instrument transformer is the equipment of scaling transformation voltage or electric current.The function of instrument transformer high voltage or big current scaling transformation is become normal low voltage (100V) or standard small area analysis (5A or 10A all refers to rated value), to realize standardization, the miniaturization of measuring instrument, proterctive equipment and automatic control equipment.Instrument transformer also can be used to separate high-voltage system, to ensure the safety of the person and equipment.
A kind of outdoor open-type current transformer disclosed in application number 201320753833.6, stable, the high accuracy that can be realized current transformer by this outdoor open-type current transformer are used, its structure is simple, it is convenient to install, leakage field is few, and measuring accuracy is high, office puts that performance is good, anti-aging, use safety, life-span are long.But outdoor open-type current transformer is generally all arranged on open air, often thunderstorm weather can be experienced in summer, and this outdoor open-type current sensor needs to reach rainproof effect, so this outdoor open-type current sensor generally all can arrange hermetically-sealed construction, time long when deployed, hermetically-sealed construction can lose efficacy gradually, if when rainwater bleeds in the housing of current transformer, then can corrode its inside winding, thus cause the damage of current transformer, and then need to change current transformer, and just current used current transformer intuitively can not show the warning device that in this current transformer, whether rainwater has bled, so current used open type Outdoor Current Transformer has certain room for improvement.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of open type Outdoor Current Transformer, can detect and realize reporting to the police to the rainwater that whether bleeds in its housing.
For achieving the above object, the utility model provides following technical scheme: a kind of open type Outdoor Current Transformer, comprise housing, described housing is coupled with and enters in housing for detecting rainwater and to realize the detection alarm circuit of reporting to the police, described detection alarm circuit comprise for detect rainwater to enter in housing and the rain sensor of output detection signal, for receive detection signal and the control unit exporting control signal be controlled by the alarm unit of control signal to realize reporting to the police.
Adopt such scheme, by the setting of detection alarm circuit, make rain sensor to detect rain bleeds, whether control that alarm unit carries out reporting to the police realizing by control unit can the intuitive judgment rain situation of bleeding simultaneously, so that maintenance personal carries out the situation keeping in repair and know open type Outdoor Current Transformer.
As preferably, described detection alarm circuit also comprises delay cutoff unit, and described delay cutoff unit is coupled to the control signal that control unit exports with reception control unit, and corresponding with control signal to control the keying of open type Outdoor Current Transformer.
As preferably, described delay cutoff unit comprise be controlled by control signal and the time delay time delay portion that exports time delayed signal be controlled by time delayed signal and control the control part that open type Outdoor Current Transformer opens and closes.
As preferably, described time delay portion is 555 delay circuits.
Adopt such scheme, after making being achieved time delay, open type Outdoor Current Transformer is being cut off by delay cutoff unit, namely while alarm unit starts, delay unit starts, if within the time of time delay, nobody hears or maintenance personal does not note, cuts off open type Outdoor Current Transformer.
As preferably, described control unit comprises switch element and executive component, and described switch element is coupled to rain sensor to receive detection signal and output switching signal, and described executive component is coupled to switch element with receiving key signal and exports control signal.
Adopt such scheme, the while of making circuit structure simple, realize the function controlling alarm unit keying, be convenient to control.
As preferably, described alarm unit realizes reporting to the police by light and/or sound.
Adopt such scheme, realize namely being undertaken reporting to the police by light and also can being reported to the police by sound, light and sound can also report to the police simultaneously simultaneously, make that there is multiple choices mode, greatly improve the environment of application.
As preferably, described alarm unit by light flash to realize reporting to the police.
Adopt such scheme, light flash carries out warning and makes more eye-catching, is convenient to the situation that in housing that maintenance personal obtains this open type electrical outdoor flow sensor, rain bleeds.
As preferably, the output of described rain sensor is also coupled with wireless communication module.
Adopt such scheme, situation about rain in the housing of open type electrical outdoor flow sensor can be bled by wireless communication module is directly fed back in terminal, be convenient to the situation of the open type electrical outdoor flow sensor directly being obtained multiple position by terminal, raise the efficiency.
The utility model is in terms of existing technologies:
1, by the setting of detection alarm circuit, make rain sensor to detect rain bleeds, and undertaken reporting to the police realizing by alarm unit can the intuitive judgment rain situation of bleeding;
Situation about 2, rain in the housing of open type electrical outdoor flow sensor can be bled by wireless communication module is directly fed back in terminal, is convenient to the situation of the open type electrical outdoor flow sensor directly being obtained multiple position by terminal, raises the efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the control unit of the present embodiment and the circuit theory diagrams of alarm unit;
Fig. 3 is the circuit theory diagrams of the delay cutoff unit of the present embodiment.
In figure: 1, housing; 2, detection alarm circuit; 21, rain sensor; 22, control unit; 23, alarm unit; 24, delay cutoff unit; 241, time delay portion; 242, control part.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification, as long as but be all subject to the protection of Patent Law in right of the present utility model.
A kind of open type Outdoor Current Transformer disclosed in the present embodiment, as shown in Figure 1, comprise housing 1, housing 1 is coupled with and enters in housing 1 for detecting rainwater and to realize the detection alarm circuit 2 of reporting to the police, detection alarm circuit 2 comprise for detect rainwater to enter in housing 1 and the rain sensor 21 of output detection signal, for receive detection signal and the control unit 22 exporting control signal be controlled by the alarm unit 23 of control signal to realize reporting to the police.
As shown in Figure 2, rain sensor 21 is preferably RY-YX type, this rain sensor 21 is for qualitative detection with presence or absence of rainwater, come outside sensing chamber with or without raining or snowing by the method for output switching signal, the small raindrop of energy perception, to mist, white antijamming capability by force, in intelligent greenhouse, the railway system etc., industry is widely used.
As shown in Figure 2, control unit 22 comprises switch element and executive component, switch element is preferably the triode Q1 of positive-negative-positive, executive component is preferably relay K M1, switch element is coupled to rain sensor 21 to receive detection signal and output switching signal, executive component is coupled to switch element with receiving key signal and exports control signal, namely the base stage of triode Q1 is connected with rain sensor 21, to receive the detection signal that rain sensor 21 exports, power supply is connected after the collector electrode of triode Q1 is connected to the coil of relay K M1, the grounded emitter of triode Q1.
Alarm unit 23 realizes reporting to the police by light and/or sound.
Embodiment one, not shown, alarm unit 23 realizes reporting to the police only by light, and by light flash to realize reporting to the police, alarm unit 23 comprises oscillator, triode Q2 and warning lamp LED1, power supply is connected after the controlled terminal of oscillator is coupled to the normally opened contact of relay K M1, the output of oscillator is coupled to the base stage of triode Q2, and control the break-make of triode Q2, power supply is connected after the collector electrode of triode Q2 is connected to warning lamp LED1, the grounded emitter of triode Q2, when the base stage of triode Q1 receives as low level detection signal, triode Q1 conducting, and then it is electric to make the coil of relay K M1 obtain, the normally opened contact of control relay KM1 closes, make to control oscillator operation, export a control signal, control signal is square wave, control triode Q2 and replace break-make, report to the police to make warning lamp LED1 discontinuity, realize the function of warning.
Embodiment two, not shown, alarm unit 23 realizes reporting to the police only by sound, alarm unit 23 comprises buzzer H, between the emitter that buzzer H is connected to triode Q1 and ground connection, when the base stage of triode Q1 receives low level time, triode Q1 conducting, control buzzer H work, realize the function of warning.
Embodiment three, as shown in Figure 2, alarm unit 23 realizes reporting to the police by light and sound, and by light flash to realize reporting to the police.
Alarm unit 23 comprises oscillator, triode Q2 and warning lamp LED1, power supply is connected after the controlled terminal of oscillator is coupled to the normally opened contact of relay K M1, the output of oscillator is coupled to the base stage of triode Q2, and control the break-make of triode Q2, power supply is connected after the collector electrode of triode Q2 is connected to warning lamp LED1, the grounded emitter of triode Q2, when the base stage of triode Q1 receives as low level detection signal, triode Q1 conducting, and then it is electric to make the coil of relay K M1 obtain, the normally opened contact of control relay KM1 closes, make to control oscillator operation, export a control signal, control signal is square wave, control triode Q2 and replace break-make, report to the police to make warning lamp LED1 discontinuity, realize the function of warning.
Alarm unit 23 also comprises buzzer H, and between the emitter that buzzer H is connected to triode Q1 and ground connection, when the base stage of triode Q1 receives low level time, triode Q1 conducting, controls buzzer H work, realize the function of warning.
As shown in Figure 3, detection alarm circuit 2 also comprises delay cutoff unit 24, delay cutoff unit 24 is coupled to the control signal that control unit 22 exports with reception control unit 22, and corresponding with control signal to control the keying of open type Outdoor Current Transformer, delay cutoff unit 24 comprise be controlled by control signal and the time delay time delay portion 241 that exports time delayed signal be controlled by time delayed signal and control the control part 242 that open type Outdoor Current Transformer opens and closes, and control part 242 controls alarm unit 23 disconnects, time delay portion 241 is 555 delay circuits.
The annexation of 555 delay circuits as shown in Figure 3, the delay time that time delay portion 241 opens for setting open type Outdoor Current Transformer, the controlled end in time delay portion 241 is coupled to the normally opened contact of relay K M1 with reception control signal, and export time delayed signal, the controlled end of 555 chips is the second pin, therefore the normally opened contact of relay K M1 is connected to the second pin, when the normally opened contact of relay K M1 closes, be then that the direct ground connection of the second pin is to be transfused to a low level, time delay portion 241 is low level triggering, therefore time delay portion 241 starts, export high level within a certain period of time, realize the function of time delayed turn-off.
Control part 242 comprises triode Q3 and the relay K M2 of NPN type, the base stage of triode Q3 is connected to the output of 555 delay circuits, the collector electrode of triode Q3 is connected to the coil of relay K M2, grounded emitter, when triode Q3 receives high level signal, then triode Q3 conducting, makes the coil of relay K M2 obtain electric, to make the normally-closed contact of triode Q3 open, to disconnect open type Outdoor Current Transformer.
As shown in Figure 2, the output of rain sensor 21 is also coupled with wireless communication module, and wireless communication module is ZigBee module.ZigBee is the low-power consumption LAN protocol based on IEEE802.15.4 standard.According to international standard regulation, ZigBee technology is the wireless communication technology of a kind of short distance, low-power consumption.This title (also known as ZigBee protocol) derives from the Eight characters dance of honeybee, due to honeybee (bee) by circle in the air and " drone " (zig) shake wing " dancing " and come to transmit pollen place azimuth information with companion, that is honeybee relies on such mode to constitute communication network in colony.Be characterized in closely, low complex degree, self-organizing, low-power consumption, low data rate.Mainly be suitable for automatically controlling and remote control field, various equipment can be embedded.By ZigBee module can directly by data cube computation to control terminal, to realize terminal demonstration.
Claims (8)
1. an open type Outdoor Current Transformer, comprise housing (1), it is characterized in that: described housing (1) is coupled with and enters in housing (1) for detecting rainwater and to realize the detection alarm circuit (2) of reporting to the police, described detection alarm circuit (2) comprise for detect rainwater to enter in housing (1) and the rain sensor (21) of output detection signal, for receive detection signal and the control unit (22) exporting control signal be controlled by the alarm unit (23) of control signal to realize reporting to the police.
2. a kind of open type Outdoor Current Transformer according to claim 1, it is characterized in that: described detection alarm circuit (2) also comprises delay cutoff unit (24), described delay cutoff unit (24) is coupled to the control signal that control unit (22) exports with reception control unit (22), and corresponding with control signal to control the keying of open type Outdoor Current Transformer.
3. a kind of open type Outdoor Current Transformer according to claim 2, is characterized in that: described delay cutoff unit (24) comprise be controlled by control signal and the time delay time delay portion (241) that exports time delayed signal be controlled by time delayed signal and control the control part (242) that open type Outdoor Current Transformer opens and closes.
4. a kind of open type Outdoor Current Transformer according to claim 3, is characterized in that: described time delay portion (241) is 555 delay circuits.
5. a kind of open type Outdoor Current Transformer according to claim 1, it is characterized in that: described control unit (22) comprises switch element and executive component, described switch element is coupled to rain sensor (21) to receive detection signal and output switching signal, and described executive component is coupled to switch element with receiving key signal and exports control signal.
6. a kind of open type Outdoor Current Transformer according to claim 1, is characterized in that: described alarm unit (23) realizes reporting to the police by light and/or sound.
7. a kind of open type Outdoor Current Transformer according to claim 6, is characterized in that: described alarm unit (23) by light flash with realize report to the police.
8. a kind of open type Outdoor Current Transformer according to claim 1, is characterized in that: the output of described rain sensor (21) is also coupled with wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116677.8U CN205230800U (en) | 2015-12-29 | 2015-12-29 | Outdoor current transformer of open -type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116677.8U CN205230800U (en) | 2015-12-29 | 2015-12-29 | Outdoor current transformer of open -type |
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| Publication Number | Publication Date |
|---|---|
| CN205230800U true CN205230800U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116677.8U Expired - Fee Related CN205230800U (en) | 2015-12-29 | 2015-12-29 | Outdoor current transformer of open -type |
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| Country | Link |
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| CN (1) | CN205230800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866522A (en) * | 2016-05-30 | 2016-08-17 | 石家庄汇点科技有限公司 | Starting-type holographic high-pressure wireless current transformer |
-
2015
- 2015-12-29 CN CN201521116677.8U patent/CN205230800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866522A (en) * | 2016-05-30 | 2016-08-17 | 石家庄汇点科技有限公司 | Starting-type holographic high-pressure wireless current transformer |
| CN105866522B (en) * | 2016-05-30 | 2018-08-03 | 石家庄汇点科技有限公司 | Open-type holography high-voltage wireless current transformer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 |