CN209780964U - Automatic acousto-optic early warning device for mining electrical test site - Google Patents
Automatic acousto-optic early warning device for mining electrical test site Download PDFInfo
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- CN209780964U CN209780964U CN201920550624.9U CN201920550624U CN209780964U CN 209780964 U CN209780964 U CN 209780964U CN 201920550624 U CN201920550624 U CN 201920550624U CN 209780964 U CN209780964 U CN 209780964U
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Abstract
The utility model discloses an automatic acousto-optic early warning device for a mine electrical test site, which comprises a power module, a photoelectric switch, a time relay, a warning module and a voice module; a coil in the time relay is connected with a normally open contact K in the photoelectric switch in series, a normally open contact KT-1 in the time relay is connected with a coil in the relay in series, a normally open contact J-1 in the relay is connected with a warning module in series, a normally open contact J-2 in the relay is connected with a voice module in series, and the photoelectric switch, the time relay, the warning module and the voice module are all connected with a power module; when the photoelectric switch detects a human body, the normally open contact K is closed, the normally open contact KT-1 is closed after the coil in the time relay is electrified, and the normally open contact J-1 and the normally open contact J-2 are closed after the coil in the relay is electrified, so that the warning module and the voice module send warning prompts, and the safe and efficient operation of electrical overhaul and test work of a machine maintenance factory is ensured.
Description
Technical Field
The utility model relates to a mining auxiliary device, concretely relates to mining electric test place uses automatic reputation early warning device.
Background
the overhaul, maintenance and test of mining high-low voltage electrical equipment are important work responsible for our factory, in order to further ensure overhaul quality and fulfill the requirement of making electrical tests for higher leaders, i mine that an electrical test center is established in 2017, and the center is provided with a microcomputer relay protection calibrator, a breaker mechanical characteristic tester, an alternating current high-current tester and a high-low voltage withstand voltage test device, so that the electrical tests of high-low voltage electrical equipment such as switches, feeds, lighting comprehensive protection and motors which are overhauled are carried out comprehensively, a good effect is achieved, but when the electrical test operation is carried out, particularly when the high-voltage test is involved, the following problems which are not beneficial to safety exist:
1. The electric test center is arranged in an electric overhaul operation area of the factory building, and more people are nearby and the movement range is closer to a test field;
2. The cross operation in the factory building is more, the noise is large, no sound and light warning is provided during the electrical test, and the effect is not obvious only by the posted warning slogan;
3. personnel in the test center concentrate on the test process, and cannot know and stop the entering of external personnel into a test place in time, so that the safety operation is not facilitated;
4. In case of emergency or when external personnel enter the operation area, timely and clear early warning cannot be obtained, and accidents such as electric shock of personnel can be caused.
in order to meet the safe operation requirement of a test center and the mine safe production requirement, engineering technicians of our factory actively invest in the research work of preventing personnel from running the early warning device by mistake in an electrical test area, and through multiple experiments and debugging, the existing accessory materials are used for technical transformation, and a set of full-automatic acousto-optic early warning device is designed.
Disclosure of Invention
According to prior art's not enough, the utility model provides a mining electric test place uses automatic reputation early warning device has solved the problem that exists among the prior art well, has ensured the safe high-efficient of mechanical maintenance factory electrical overhaul, test work and has gone on.
the utility model discloses realize according to following technical scheme:
an automatic acousto-optic early warning device for a mine electrical test site comprises a power supply module, a photoelectric switch, a time relay, a warning module and a voice module; a coil in the time relay is connected with a normally open contact K in the photoelectric switch in series, a normally open contact KT-1 in the time relay is connected with a coil in the relay in series, a normally open contact J-1 in the relay is connected with a warning module in series, and a normally open contact J-2 in the relay is connected with a voice module in series, wherein the photoelectric switch, the time relay, the warning module and the voice module are all connected with a power module; when the photoelectric switch detects a human body, the normally open contact K is closed, the normally open contact KT-1 is closed after a coil in the time relay is electrified, and the normally open contact J-1 and the normally open contact J-2 are closed after the coil in the relay is electrified, so that the warning module and the voice module send warning prompts.
Further, the photoelectric switch is a photoelectric emitting module and a photoelectric receiving module, and the normally open contact K is arranged in the photoelectric receiving module; one end of the photoelectric emission module is connected with the anode of the power supply module, the other end of the photoelectric emission module is connected with one end of the photoelectric receiving module, and the other end of the photoelectric receiving module is connected with the anode of the power supply module.
Further, the mining electric test site is enclosed by a stainless steel guardrail, and an inlet and an outlet are arranged in the stainless steel guardrail; the photoelectric emission module and the photoelectric receiving module are respectively installed on two sides of an entrance and an exit of the stainless steel guardrail and used for detecting personnel entering a mining electrical test site.
Further, power module, time relay, relay and voice module all integrate in an electrical apparatus box, realize power module, time relay, relay and voice module's electrical connection through the wire, and power module, time relay, relay and voice module all pass through the fix with screw on the electrical apparatus box inner face.
Further, the electrical box is placed on the top surface of the box body located at the mine electrical test site, and the warning module is installed on the side face of the box body.
furthermore, the warning module is a rotary warning red light, wherein one end of the rotary warning red light is connected with the negative electrode of the power module, and the other end of the rotary warning red light is connected with the positive electrode of the power module after being connected with the normally open contact J-1 in series.
Further, the voice module comprises a voice chip and a loudspeaker, wherein the loudspeaker is connected with the power module in series, and the voice chip is connected with the power module after being connected with the normally open contact J-2 in series; the voice chip is connected with the loudspeaker, and when the normally open contact J-2 is closed, the voice chip drives the loudspeaker to give out a voice alarm.
and further, the device also comprises a manual switch S, wherein the manual switch S is connected with a normally open contact K in the photoelectric switch in parallel and is used as a test switch of an automatic acousto-optic early warning device for the mining electric test field.
Further, the power supply module comprises a 12V direct current chip and a 5V direct current chip, wherein the 12V direct current chip converts 220V alternating current in a mine electrical test site into 12V direct current so as to supply power for the photoelectric switch, the time relay, the relay and the warning module; the 5V direct current chip converts 220V alternating current in the mine electrical test site into 5V direct current so as to supply power for the voice module.
Furthermore, the time relay adopts a power-off delay time relay.
the utility model discloses beneficial effect:
1. The design is scientific, safe and reliable. The early warning device has two early warning functions of sound and light, the working voltage is DC12V and DC5V, and the early warning device belongs to safety control voltage; the early warning device and the electric test area are connected in parallel to supply power, the early warning device automatically runs and stands by when the electric test area is in power transmission test, and the possibility that the power is forgotten to be turned on manually is avoided.
2. early warning is timely, and performance is sensitive and reliable. In the electrical test process, as long as personnel pass through the test area inlet, the photoelectric sensor can be triggered to act instantly, and the acousto-optic early warning can be started immediately to automatically give an alarm.
3. the early warning effect is obvious and reliable. During the early warning, the red light can send striking rotatory light and carry out vision warning, and simultaneously, the pronunciation early warning can send the pronunciation flood ' has the electric danger, and the pronunciation warning of strictly forbidden being close to ' can both in time arouse warning with the experimenter under double early warning by mistake to avoid accident's emergence.
4. The potential safety hazard during the test is eliminated, and the test safety is ensured. The application of the test device solves the safety risk possibly caused by the error entry of personnel during the test of the test center from the technical aspect, and ensures the safe and reliable operation of the electrical test.
Drawings
FIG. 1 is a schematic diagram of the circuit connection of the present invention;
Fig. 2 is a structural layout diagram of the automatic acousto-optic early warning device of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, an automatic acousto-optic early warning device for a mine electrical test site comprises a power supply module, a photoelectric switch, a time relay, a warning module and a voice module; a coil in the time relay is connected with a normally open contact K in the photoelectric switch in series, a normally open contact KT-1 in the time relay is connected with a coil in the relay in series, a normally open contact J-1 in the relay is connected with a warning module in series, and a normally open contact J-2 in the relay is connected with a voice module in series, wherein the photoelectric switch, the time relay, the warning module and the voice module are all connected with a power module; when the photoelectric switch detects a human body, the normally open contact K is closed, the normally open contact KT-1 is closed after a coil in the time relay is electrified, and the normally open contact J-1 and the normally open contact J-2 are closed after the coil in the relay is electrified, so that the warning module and the voice module send warning prompts.
The following provides a preferred embodiment of the photoelectric switch, the warning module, the voice module and the power module:
The photoelectric switch is composed of a photoelectric emitting module and a photoelectric receiving module, and the normally open contact K is arranged in the photoelectric receiving module; one end of the photoelectric emission module is connected with the anode of the power supply module, the other end of the photoelectric emission module is connected with one end of the photoelectric receiving module, and the other end of the photoelectric receiving module is connected with the anode of the power supply module.
The warning module is a rotary warning red light, wherein one end of the rotary warning red light is connected with the negative electrode of the power module, and the other end of the rotary warning red light is connected with the positive electrode of the power module after being connected with the normally open contact J-1 in series.
The voice module comprises a voice chip and a loudspeaker, wherein the loudspeaker is connected with the power module in series, and the voice chip is connected with the power module after being connected with the normally open contact J-2 in series; the voice chip is connected with the loudspeaker, and when the normally open contact J-2 is closed, the voice chip drives the loudspeaker to give out a voice alarm.
The power supply module comprises a 12V direct current chip and a 5V direct current chip, wherein the 12V direct current chip converts 220V alternating current in a mine electrical test site into 12V direct current so as to supply power for the photoelectric switch, the time relay, the relay and the warning module; the 5V direct current chip converts 220V alternating current in the mine electrical test site into 5V direct current so as to supply power for the voice module.
It should be noted that the photoelectric emitting module, the photoelectric receiving module, the rotary warning red light, the voice chip, the speaker and the power module are all found in a mining area (i.e., a machine repair factory has electronic components, accessories and electric tools required by installation of the device, so that good material conditions are provided for the design and installation of the early warning device), and extra cost does not need to be paid.
Fig. 2 shows an actual structural layout diagram of the automatic acousto-optic early warning device in the mine, and of course, the automatic acousto-optic early warning device can be adjusted correspondingly according to actual requirements. The mining electric test site is enclosed by a stainless steel guardrail 700, and an inlet and an outlet are arranged in the stainless steel guardrail 700; the photoelectric transmitting module 500 and the photoelectric receiving module 600 are respectively installed on two sides of an entrance and an exit of the stainless steel guardrail and used for detecting personnel entering a mining electrical test site.
Power module, time relay, relay and voice module all integrate in an electrical apparatus box 100, realize power module, time relay, relay and voice module's electrical connection through the wire, and power module, time relay, relay and voice module all install through my long electric personnel on electrical apparatus box 100 inner face through the fix with screw (above-mentioned process all).
The electrical box 100 is placed on the top surface of the cabinet 200 located at the mine electrical test site, the rotary warning red light 300 is installed on the side surface of the cabinet 200, a plurality of through holes 400 are provided on the electrical box 100, and the plurality of through holes 400 are used as sound outlet holes of the internal speaker.
Further aspects of the above examples are given below:
The manual switch S is connected with a normally open contact K in the photoelectric switch in parallel and used as a test switch of an automatic acousto-optic early warning device used in a mine electrical test field.
The working process is as follows:
Continuing to refer to fig. 1 and fig. 2, in the operation process of the electrical test center, an operator needs to perform early warning, and can press a manual switch S, at the moment, the power-off delay type time relay KT is powered on and then powered off, the power-off delay type time relay KT-1 is instantaneously closed and keeps a closed state for a period of time (the power-off delay time can be adjusted at will), at the moment, the relay J is powered on, the normally open contact J-1 and the normally open contact J-2 are closed simultaneously, the voice module starts to play early warning voice, namely 'danger of electricity exists, and does not need to approach', meanwhile, the red light is rotationally warned to be powered on to emit red striking light, after the delay is finished, the power-off delay type time contact KT-1 is disconnected, the relay J is powered off, the normally open contact J-1 and the normally open contact J. The manual switch S may also be used as a test button of the warning device.
in the experimental operation, if there are other personnel to get into test center, can trigger the photoelectric switch who installs at central rail gate, a set of normally open contact K of photoelectric switch output is closed, outage time delay type time relay KT gets electric action, then relay J gets electric, normally open contact J-1, normally open contact J-2 is closed simultaneously, voice module work begins broadcast early warning pronunciation "there is the electricity danger," do not close to ", rotatory warning red light is got electric and is sent red striking light simultaneously, after the time delay, outage time delay type time relay KT disconnection, relay J loses the electricity, normally open contact J-1, normally open contact J-2 contact disconnection, pronunciation, the early warning is ended in light loss of electricity.
To sum up, the utility model provides an used automatic reputation early warning device stable performance of mining electric test field is reliable, and the early warning effect is fabulous, puts into operation the back, can effectively solve the potential safety hazard that probably appears in the electric test process, has ensured that test work's safety goes on smoothly.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides a mining electric test place is with automatic reputation early warning device which characterized in that: the intelligent alarm device comprises a power supply module, a photoelectric switch, a time relay, a warning module and a voice module;
a coil in the time relay is connected with a normally open contact K in the photoelectric switch in series, a normally open contact KT-1 in the time relay is connected with a coil in the relay in series, a normally open contact J-1 in the relay is connected with a warning module in series, a normally open contact J-2 in the relay is connected with a voice module in series,
The photoelectric switch, the time relay, the warning module and the voice module are all connected with the power supply module;
When the photoelectric switch detects a human body, the normally open contact K is closed, the normally open contact KT-1 is closed after a coil in the time relay is electrified, and the normally open contact J-1 and the normally open contact J-2 are closed after the coil in the relay is electrified, so that the warning module and the voice module send warning prompts.
2. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the photoelectric switch comprises a photoelectric emitting module and a photoelectric receiving module, and the normally open contact K is arranged in the photoelectric receiving module;
one end of the photoelectric emission module is connected with the anode of the power supply module, the other end of the photoelectric emission module is connected with one end of the photoelectric receiving module, and the other end of the photoelectric receiving module is connected with the anode of the power supply module.
3. the automatic acousto-optic early warning device for the mining electrical test site according to claim 2, characterized in that: the mining electrical test site is enclosed by a stainless steel guardrail, and two sides of an inlet and an outlet of the guardrail are used for detecting personnel entering the mining electrical test site.
4. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: power module, time relay, relay and voice module all integrate in an electrical apparatus box, realize power module, time relay, relay and voice module's electrical connection through the wire, and power module, time relay, relay and voice module all pass through the fix with screw on the electrical apparatus box inner face.
5. The automatic acousto-optic early warning device for the mining electric test site according to claim 4, characterized in that: the electrical box is placed on the top surface of the box body located in the mine electrical test site, and the warning module is installed on the side face of the box body.
6. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the warning module is a rotary warning red light, wherein one end of the rotary warning red light is connected with the negative electrode of the power module, and the other end of the rotary warning red light is connected with the positive electrode of the power module after being connected with the normally open contact J-1 in series.
7. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the voice module comprises a voice chip and a loudspeaker, wherein the loudspeaker is connected with the power module in series, and the voice chip is connected with the power module after being connected with the normally open contact J-2 in series;
The voice chip is connected with the loudspeaker, and when the normally open contact J-2 is closed, the voice chip drives the loudspeaker to give out a voice alarm.
8. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the automatic acousto-optic early warning device is characterized by further comprising a manual switch S, wherein the manual switch S is connected with a normally open contact K in the photoelectric switch in parallel and is used as a test switch of the automatic acousto-optic early warning device for the mining electric test field.
9. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the power supply module comprises a 12V direct current chip and a 5V direct current chip, wherein the 12V direct current chip converts 220V alternating current in a mine electrical test site into 12V direct current so as to supply power for the photoelectric switch, the time relay, the relay and the warning module; the 5V direct current chip converts 220V alternating current in the mine electrical test site into 5V direct current so as to supply power for the voice module.
10. The automatic acousto-optic early warning device for the mining electric test site according to claim 1, characterized in that: the time relay adopts a power-off delay time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550624.9U CN209780964U (en) | 2019-04-22 | 2019-04-22 | Automatic acousto-optic early warning device for mining electrical test site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550624.9U CN209780964U (en) | 2019-04-22 | 2019-04-22 | Automatic acousto-optic early warning device for mining electrical test site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780964U true CN209780964U (en) | 2019-12-13 |
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ID=68803568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920550624.9U Expired - Fee Related CN209780964U (en) | 2019-04-22 | 2019-04-22 | Automatic acousto-optic early warning device for mining electrical test site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780964U (en) |
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2019
- 2019-04-22 CN CN201920550624.9U patent/CN209780964U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20200422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |