CN203574351U - Infrared ray safety protector for high-voltage tests - Google Patents
Infrared ray safety protector for high-voltage tests Download PDFInfo
- Publication number
- CN203574351U CN203574351U CN201320813123.8U CN201320813123U CN203574351U CN 203574351 U CN203574351 U CN 203574351U CN 201320813123 U CN201320813123 U CN 201320813123U CN 203574351 U CN203574351 U CN 203574351U
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- Prior art keywords
- infrared
- microprocessor
- diverter switch
- protector
- triode
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Abstract
The utility model discloses an infrared ray safety protector for high-voltage tests. The infrared ray safety protector for the high-voltage tests comprises a controller and several sets of infrared detection probes, and each set of infrared detection probes is composed of an infrared emitter and an infrared receiver; and the infrared receiver is electrically connected with the controller, and the controller comprises a microprocessor U, a power break-off circuit, an alarm circuit and a change over switch. When a person enters a high-voltage test area by mistake, one corresponding infrared receiver sends signals to the microprocessor, the microprocessor sends out signals, the signals are amplified by a triode, and then a coil of a relay is driven to be closed, a normally open contact of the relay is broken off, a load is disconnected with a power supply, high voltage disappears, the microprocessor sends out signals to control a loudspeaker to emit alarm sounds, and the infrared ray safety protector for the high-voltage tests is high in safety; and the number of sets of the infrared emitters and the infrared receivers which are in a working state can be selected by the change over switch, and the infrared ray safety protector for the high-voltage tests is convenient to use.
Description
Technical field
The utility model relates to a kind of high voltage test equipment, specifically, relates to a kind of high voltage test infrared ray protector, belongs to electrical safety technical field.
Background technology
High voltage test owing to being employing, test by the special equipment that boosts generation high voltage, in process of the test, can generate the voltage levels up to nearly 100KV, so there is very high danger in process of the test, accidentally may cause personal injury accidents, and testing ground environment relative complex, the cross-operation simultaneously of different work posts, easy generation inoperative personnel are strayed into trial zone and cause personal injury accidents, testing crew also may be because iron because equipment discharges to dodge in process of the test, change wiring, the reasons such as equipment state change enter trial zone in the situation that not cutting off experiment power supply, directly contact electrification high-tension testing apparatus, cause the personal injury to testing crew.
In order to guarantee the safety of the person in process of the test, conventionally at pilot region, adopt red white warning tape to enclose at present and block quarantine measures, this mode can only play the effect of passive isolation at work, when having people's mistakenly entering into charged region, the measure of cannot initiatively making a response, can not eliminate thoroughly the potential safety hazard occurring to guarantee the safety of the person and equipment in process of the test, fail safe is undesirable.
Utility model content
Problem to be solved in the utility model is for above deficiency, and a kind of safe high voltage test infrared ray protector is provided.
For overcoming the above problems, the technical solution adopted in the utility model is: a kind of high voltage test infrared ray protector, is characterized in that: described infrared ray protector comprises controller and some groups of infrared detection probes;
Described every group of infrared detection probe is comprised of infrared transmitter and infrared receiver;
Described infrared receiver is electrically connected with controller.
A kind of prioritization scheme, described controller comprises;
Microprocessor U, connects infrared transmitter through photoelectrical coupler, and the signal of exporting for receiving infrared-ray reflector is also processed;
Power-down circuit, U is connected with microprocessor, for receiving the signal of microprocessor U and carrying out power-off action;
Warning circuit, U is connected with microprocessor, for receiving the signal of microprocessor U and carrying out actuation of an alarm;
Diverter switch, U is connected with microprocessor, for controlling the work of infrared detection probe.
Another kind of prioritization scheme, described power-down circuit comprises resistance R 1, triode Q1, diode D1 and relay J, one end of the P3.0 pin contact resistance R1 of microprocessor U, the base stage of another termination triode Q1 of resistance R 1, the grounded emitter of triode Q1, the collector electrode of triode Q1 connects the positive pole of diode D1, and the negative pole of diode D1 connects power supply, the coil of relay J is in parallel with diode D1, and load is connected with the normally opened contact of relay J.
Another prioritization scheme, described warning circuit comprises resistance R 2, triode Q2 and loud speaker LS, one end of the P3.1 pin contact resistance R2 of microprocessor U, the base stage of another termination triode Q2 of resistance R 2, the grounded emitter of triode Q2, the collector electrode of triode Q2 connects power supply through loud speaker LS.
Further, the quantity of described infrared detection probe is four groups.
Further, described diverter switch comprises system diverter switch K, the first diverter switch K1, the second diverter switch K2, the 3rd diverter switch K3 and the 4th diverter switch K4;
Described system diverter switch K one end is connected to the P2.4 pin of microprocessor U, and the other end is connected with ground, and its effect is to realize the switching of protector in working order and between detected state;
Described first diverter switch K1 one end is connected to the P2.0 pin of microprocessor U, and the other end is connected with ground, for realizing the switching between first group of infrared detection probe operating state of protector and halted state;
Described second diverter switch K2 one end is connected to the P2.1 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between second group of infrared detection probe operating state of protector and halted state;
Described the 3rd diverter switch K3 one end is connected to the P2.2 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between the 3rd group of infrared detection probe operating state of protector and halted state;
Described the 4th diverter switch K4 one end is connected to the P2.3 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between the 4th group of infrared detection probe operating state of protector and halted state.
The utility model adopts above technical scheme, compared with prior art, have the following advantages: when having people to be strayed in high voltage test region, corresponding infrared receiver is passed to microprocessor by signal, and microprocessor sends signal, through triode, amplify the coil adhesive of rear drive relay, the normally opened contact of relay disconnects, and load and power supply disconnect, and high-tension electricity disappears, microprocessor sends signal controlling loud speaker and sends chimes of doom simultaneously, safe; Diverter switch can be selected infrared transmitter, the infrared receiver group quantity of work, easy to use.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment middle infrared (Mid-IR) protector;
Accompanying drawing 2 is the circuit theory diagrams of the utility model embodiment middle controller;
In figure,
1-the first infrared transmitter, 2-the first infrared receiver, 3-the second infrared transmitter, 4-the second infrared receiver, 5-the 3rd infrared transmitter, 6-the 3rd infrared receiver, 7-the 4th infrared transmitter, 8-the 4th infrared receiver.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
Embodiment, describes as an example of four groups of infrared transmitter and infrared receiver example, as shown in Figure 1.A kind of high voltage test infrared ray protector, comprises controller and four groups of infrared detection probes.First group of infrared detection probe comprises that the first infrared transmitter 1 and the first infrared receiver 2 form; Second group: infrared detection probe comprises the second infrared transmitter 3 and the second infrared receiver 4; The 3rd group of infrared detection probe comprises the 3rd infrared transmitter 5 and the 3rd infrared receiver 6; The 4th group of infrared detection probe comprises the 4th infrared transmitter 7 and the 4th infrared receiver 8.So just formed the region of a sealing, the first infrared receiver 2, the second infrared receiver 4, the 3rd infrared receiver 6 are connected with controller with the 4th infrared receiver 8.
As shown in Figure 2, controller comprises power-down circuit, microprocessor U, warning circuit, indicating circuit and diverter switch, the model of microprocessor U is STC12C5A60S2, the first infrared receiver 2 connects microprocessor U through the first photoelectrical coupler U1, and the output of the first photoelectrical coupler U1 connects the P3.2 pin of microprocessor U.
The second infrared receiver 4 connects microprocessor U through the second photoelectrical coupler U2, and the output of the second photoelectrical coupler U2 connects the P3.3 pin of microprocessor U;
The 3rd infrared receiver 6 connects microprocessor U through the 3rd photoelectrical coupler U3, and the output of the 3rd photoelectrical coupler U3 connects the P3.4 pin of microprocessor U;
The 4th infrared receiver 8 connects microprocessor U through the 4th photoelectrical coupler U4, and the output of the 4th photoelectrical coupler U4 connects the P3.5 pin of microprocessor U.
Photoelectrical coupler is the one electricity-light-power conversion device take light as the media transmission signal of telecommunication, and it is comprised of light emitting source and light-receiving device two parts.Light emitting source and light-receiving device are assembled in same airtight housing, with transparent insulator, isolate to each other.Play isolation safe effect here.
Power-down circuit comprises resistance R 1, triode Q1, diode D1 and relay J, one end of the P3.0 pin contact resistance R1 of microprocessor U, the base stage of another termination triode Q1 of resistance R 1, the grounded emitter of triode Q1, the collector electrode of triode Q1 connects the positive pole of diode D1, the negative pole of diode D1 connects power supply, and the coil of relay J is in parallel with diode D1, and load is connected with the normally opened contact of relay J.
Warning circuit comprises resistance R 2, triode Q2 and loud speaker LS, one end of the P3.1 pin contact resistance R2 of microprocessor U, the base stage of another termination triode Q2 of resistance R 2, the grounded emitter of triode Q2, the collector electrode of triode Q2 connects power supply through loud speaker LS.
Diverter switch comprises system diverter switch K, the first diverter switch K1, the second diverter switch K2, the 3rd diverter switch K3 and the 4th diverter switch K4.
System diverter switch K one end is connected to the P2.4 pin of microprocessor U, and the other end is connected with ground, and its effect is to realize the switching of protector in working order and between detected state.
First diverter switch K1 one end is connected to the P2.0 pin of microprocessor U, and the other end is connected with ground, and its effect is the switching realizing between first group of infrared detection probe operating state of protector and halted state.
Second diverter switch K2 one end is connected to the P2.1 pin of microprocessor U, and the other end is connected with power supply ground, and its effect is the switching realizing between second group of infrared detection probe operating state of protector and halted state.
The 3rd diverter switch K3 one end is connected to the P2.2 pin of microprocessor U, and the other end is connected with power supply ground, and its effect is the switching realizing between the 3rd group of infrared detection probe operating state of protector and halted state.
The 4th diverter switch K4 one end is connected to the P2.3 pin of microprocessor U, and the other end is connected with power supply ground, and its effect is the switching realizing between the 4th group of infrared detection probe operating state of protector and halted state.
The effect of indicating circuit is current real-time working and the malfunction of indication safety alarm.Amount to 12 tunnel outputs.
Wherein LED1 when red represents first group of infrared detection probe alarm failure;
LED2 green light represents first group of normal work of infrared detection probe;
LED1, LED2 are entirely bright is that first group of infrared detection of the bright expression of amber light popped one's head in halted state.
LED3 when red represents second group of infrared detection probe alarm failure;
Second group of normal work of infrared detection probe of the green bright expression of LED4;
LED3, LED4 are entirely bright is that second group of infrared detection of the bright expression of amber light popped one's head in halted state.
LED5 when red represents the 3rd group of infrared detection probe alarm failure;
The 3rd group of normal work of infrared detection probe of the green bright expression of LED6;
LED5, LED6 are entirely bright is that the 3rd group of infrared detection of the bright expression of amber light popped one's head in halted state.
LED7 when red represents the 4th group of infrared detection probe alarm failure;
The 4th group of normal work of infrared detection probe of the green bright expression of LED8;
LED7, LED48 are entirely bright is that the 4th group of infrared detection of the bright expression of amber light popped one's head in halted state.
LED9 green light represents that alarm is in running order;
LED10 when red represents that alarm is in detected state;
LED11 when red represents that alarm, in alarm and protection state, cuts off the electricity supply;
LED12 green light represents that alarm is in normal operating conditions, i.e. out-put supply;
LED11, LED12 complete bright be amber light when bright, represent that alarm is in detected state, i.e. no-output.
The operation principle of alarm:
1, move system diverter switch K to detected state
2, determine the usage quantity that uses infrared sensor
Select the first diverter switch K1, the second diverter switch K2, the 3rd diverter switch K3 and the 4th diverter switch K4 closure of alarm rear board or disconnect, determining the way of using.
When diverter switch is closed, the status indicator lamp that front panel is corresponding shows red or green; During disconnection, show yellow.
3, alarm self check
This object is whether the fine or not Ji Ge road infrared sensor in order to detect infrared sensor is aimed at.First move system diverter switch K to detected state place, the indicator light green light of corresponding way during the infrared transmission sensor alignment receiving sensor of every road, represents normal.When red represents to block or transducer damages, and the bright expression circuit switching of amber light switch disconnects.
4, move system diverter switch K to operating state
Complete after the self check of alarm, each line state indicator light is green.Then move system diverter switch K to operating state, microprocessor sends control signal, control relay J adhesive, and the normal opened contact closure of relay, load circuit is connected, output power supply.
When having detected that people or other article enter pilot region, the light that infrared transmitter is sent is blocked, microprocessor U receives break signal, and it is carried out to intelligent debounce processing, after judgement effectively, send control signal, through triode Q1, amplify the coil blackout of rear drive relay J, the normally opened contact of relay J disconnects, and causes load output loop open circuit, load loses power supply, and high-tension electricity disappears.The P3.1 human hair combing waste of microprocessor U goes out signal simultaneously, through resistance R 2 and triode Q2, amplifies, and loud speaker LS sends chimes of doom.
After relay J coil blackout, whole system can not oneself be resumed work, and after must manually recovering, can again move, and plays the effect of safeguard protection.
When three groups of needs or two groups of infrared transmitter, infrared receiver, corresponding diverter switch can be disconnected and can realize, convenient and practical.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. a high voltage test infrared ray protector, is characterized in that: described infrared ray protector comprises controller and some groups of infrared detection probes;
Described every group of infrared detection probe is comprised of infrared transmitter and infrared receiver;
Described infrared receiver is electrically connected with controller.
2. high voltage test as claimed in claim 1 infrared ray protector, is characterized in that: described controller comprises;
Microprocessor U, connects infrared transmitter through photoelectrical coupler, and the signal of exporting for receiving infrared-ray reflector is also processed;
Power-down circuit, U is connected with microprocessor, for receiving the signal of microprocessor U and carrying out power-off action;
Warning circuit, U is connected with microprocessor, for receiving the signal of microprocessor U and carrying out actuation of an alarm;
Diverter switch, U is connected with microprocessor, for controlling the work of infrared detection probe.
3. high voltage test as claimed in claim 2 infrared ray protector; it is characterized in that: described power-down circuit comprises resistance R 1, triode Q1, diode D1 and relay J; one end of the P3.0 pin contact resistance R1 of microprocessor U; the base stage of another termination triode Q1 of resistance R 1; the grounded emitter of triode Q1; the collector electrode of triode Q1 connects the positive pole of diode D1; the negative pole of diode D1 connects power supply; the coil of relay J is in parallel with diode D1, and load is connected with the normally opened contact of relay J.
4. high voltage test infrared ray protector as claimed in claim 2 or claim 3; it is characterized in that: described warning circuit comprises resistance R 2, triode Q2 and loud speaker LS; one end of the P3.1 pin contact resistance R2 of microprocessor U; the base stage of another termination triode Q2 of resistance R 2; the grounded emitter of triode Q2, the collector electrode of triode Q2 connects power supply through loud speaker LS.
5. high voltage test as claimed in claim 4 infrared ray protector, is characterized in that: the quantity of described infrared detection probe is four groups.
6. high voltage test as claimed in claim 5 infrared ray protector, is characterized in that: described diverter switch comprises system diverter switch K, the first diverter switch K1, the second diverter switch K2, the 3rd diverter switch K3 and the 4th diverter switch K4;
Described system diverter switch K one end is connected to the P2.4 pin of microprocessor U, and the other end is connected with ground, and its effect is to realize the switching of protector in working order and between detected state;
Described first diverter switch K1 one end is connected to the P2.0 pin of microprocessor U, and the other end is connected with ground, for realizing the switching between first group of infrared detection probe operating state of protector and halted state;
Described second diverter switch K2 one end is connected to the P2.1 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between second group of infrared detection probe operating state of protector and halted state;
Described the 3rd diverter switch K3 one end is connected to the P2.2 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between the 3rd group of infrared detection probe operating state of protector and halted state;
Described the 4th diverter switch K4 one end is connected to the P2.3 pin of microprocessor U, and the other end is connected with power supply ground, for realizing the switching between the 4th group of infrared detection probe operating state of protector and halted state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813123.8U CN203574351U (en) | 2013-12-12 | 2013-12-12 | Infrared ray safety protector for high-voltage tests |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813123.8U CN203574351U (en) | 2013-12-12 | 2013-12-12 | Infrared ray safety protector for high-voltage tests |
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| Publication Number | Publication Date |
|---|---|
| CN203574351U true CN203574351U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320813123.8U Expired - Fee Related CN203574351U (en) | 2013-12-12 | 2013-12-12 | Infrared ray safety protector for high-voltage tests |
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| CN (1) | CN203574351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628474A (en) * | 2017-11-17 | 2018-01-26 | 郑州中电新能源汽车有限公司 | Electric wire winding frame |
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2013
- 2013-12-12 CN CN201320813123.8U patent/CN203574351U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628474A (en) * | 2017-11-17 | 2018-01-26 | 郑州中电新能源汽车有限公司 | Electric wire winding frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140430 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |