CN214099310U

CN214099310U - Transformer overhauls warning device

Info

Publication number: CN214099310U
Application number: CN202120088883.1U
Authority: CN
Inventors: 徐劲松
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-08-31
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a transformer overhauls warning device relates to the technical field of transformer, has solved warning needs of warning sign for warning sign's size and weight are great, the staff's transport of not being convenient for and the problem of hand-carrying, it includes: the transformer comprises a suspension plate which can be attached to the transformer in an adsorption mode, a detection unit which is arranged on one side, far away from the transformer, of the suspension plate and used for detecting a human body and converting the human body into a human body detection signal, a control device which is coupled with the detection unit and used for receiving the human body detection signal and outputting a control signal, and an alarm device which is coupled with the control device and used for receiving the control signal and outputting an alarm signal. The utility model discloses have and make things convenient for the staff transport and hand-carry, improved the effect of the convenience that warning device used.

Description

Transformer overhauls warning device

Technical Field

The utility model belongs to the technical field of the technique of transformer and specifically relates to a transformer overhauls warning device is related to.

Background

A transformer is a stationary electrical device used to transform ac voltage, current and transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. The transformer can be classified into a power transformer, a test transformer, an instrument transformer and a transformer for special use according to its use; the power transformer is necessary equipment for power transmission and distribution and power consumer distribution; the device is used for carrying out voltage withstand (boosting) test on electrical equipment by the test transformer; the instrument transformer is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformer for special purposes comprises a furnace transformer for smelting, an electric welding transformer, a rectifier transformer for electrolysis, a small-sized regulating transformer and the like.

The power transformer is at the in-process that uses, need overhaul and maintain on an irregular basis, overhauls and when maintaining power transformer, and the staff can adopt to place the warning sign around power transformer to warn the pedestrian usually to remind the emergence that the pedestrian reduced the accident.

The above prior art solutions have the following drawbacks: the warning needs of the warning board make the size and the weight of the warning board larger, which is inconvenient for workers to carry and carry about, and has improved space.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a transformer overhauls warning device makes things convenient for the staff's transport and hand-carries, has improved the convenience that warning device used.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a transformer overhauls warning device, includes adsorbable suspension plate of installing on the transformer, locate suspension plate and keep away from transformer one side and be used for detecting the human body and convert into human detection signal's detecting element, coupling is in order to receive human detection signal and output control signal's controlling means and coupling is in order to receive control signal and output alarm signal's alarm device in controlling means.

Through adopting above-mentioned technical scheme, warning device can hang on objects such as transformer through hanging the board, and detecting element is used for detecting transformer human all around, and when detecting element detected the human body, controlling means control alarm device reports an emergency and asks for help or increased vigilance to the pedestrian, for warning tablet volume and weight littleer, make things convenient for staff's transport and hand-carry, improved the convenience that warning device used.

The present invention may be further configured in a preferred embodiment as: one side of the suspension plate close to the transformer is provided with a strong magnetic block, and one side of the suspension plate close to the transformer is provided with a mounting groove for the strong magnetic block to be embedded and installed.

Through adopting above-mentioned technical scheme, the setting of strong magnetic block for warning device can adsorb in magnetic metal object through magnetic force, uses on the transformer with warning device adsorption installation in order to make things convenient for, has improved the convenience that warning device used.

The present invention may be further configured in a preferred embodiment as: and a pressing bulge for pressing the strong magnetic block is arranged on the inner side wall of the mounting groove.

Through adopting above-mentioned technical scheme, compress tightly bellied setting, through the elastic deformation of self tight strong magnetic block of clamp, make strong magnetic block be difficult for following the landing in the mounting groove, improved strong magnetic block and the fastness that hangs the board and be connected.

The present invention may be further configured in a preferred embodiment as: and at least three suckers are arranged on one side of the suspension plate close to the transformer, and at least three suckers are arranged around the strong magnetic block.

Through adopting above-mentioned technical scheme, the setting of sucking disc for warning device can install on the non-metallic plane through the adsorption of sucking disc, has improved warning device's application scope.

The present invention may be further configured in a preferred embodiment as: the alarm device comprises a sound generator arranged on one side of the suspension plate, which is far away from the transformer.

By adopting the technical scheme, the warning device gives an alarm through the sound generator to remind pedestrians not to approach the transformer, and the coverage range is wide.

The present invention may be further configured in a preferred embodiment as: the warning device further comprises a projection lamp hinged to one side of the suspension plate, which is far away from the transformer.

Through adopting above-mentioned technical scheme, the pedestrian of process is reminded through the mode of projection illumination to the setting of projection lamp, makes the scope that the pedestrian can know the warning more directly perceivedly, has improved warning device's warning effect.

The present invention may be further configured in a preferred embodiment as: the projection lamp is characterized in that a film is stuck to one side, away from the transformer, of the projection lamp, a warning groove is formed in the film, and the warning groove is in a stop-step and high-voltage danger character shape.

Through adopting above-mentioned technical scheme, the film cooperation projection lamp is used, will "stop, high-pressure danger" projection subaerial, can remind the pedestrian more directly perceivedly, has improved warning device's warning effect.

The present invention may be further configured in a preferred embodiment as: a first support plate is fixed on one side, away from the transformer, of the suspension plate, a second support plate hinged to the first support plate is fixed on one side, close to the suspension plate, of the projection lamp, adjusting teeth evenly arranged in the circumferential direction around a hinge point are arranged on one side, close to the second support plate, of the first support plate, and engaging teeth meshed with the adjusting teeth are arranged on one side, close to the first support plate, of the second support plate.

Through adopting above-mentioned technical scheme for the projection angle of projection lamp can be adjusted according to the needs that use the scene, and locks through the intermeshing of adjusting tooth and meshing tooth, has improved the application scope of projection lamp, and then has improved warning device's application scope.

Drawings

Fig. 1 is a schematic structural diagram of a transformer maintenance warning device and a transformer in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a transformer overhaul warning device in an embodiment of the present application.

Fig. 3 is a circuit diagram of the detecting unit and amplifying device 27, the control device, and the sound generator in the embodiment of the present application.

FIG. 4 is an exploded view of the suspension plate and the ferromagnetic block in the embodiment of the present application.

Fig. 5 is an exploded view of the suspension plate and the projection lamp in the embodiment of the present application.

Fig. 6 is an enlarged view of a portion a in fig. 5.

In the figure, 1, a transformer; 2. a warning device; 21. a suspension plate; 211. mounting grooves; 212. compressing the bulge; 213. a first support plate; 2131. adjusting teeth; 22. a detection unit; 23. a control device; 241. a sound generator; 242. a projection lamp; 2421. a second support plate; 2422. meshing teeth; 243. film; 2431. a warning slot; 25. a strong magnetic block; 26. a suction cup; 27. and an amplifying device 27.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1 to 6.

Referring to fig. 1, 2 and 3, the transformer overhaul warning device 2 disclosed in this embodiment includes a suspension plate 21, a detection unit 22, an amplification device 27, a control device 23 and an alarm device; the suspension plate 21 is installed on one side of the transformer 1, the detection unit 22 is installed on one side of the suspension plate 21 far away from the transformer 1 and used for detecting a human body and converting the human body into a human body detection signal, the amplification device 27 is coupled to the detection unit 22 to receive the human body detection signal and amplify the human body detection signal, the control device 23 is coupled to the amplification device 27 to receive the amplified human body detection signal and output a control signal, and the alarm device is coupled to the control device 23 to receive the control signal and output an alarm signal to warn a pedestrian close to the transformer 1.

The detection unit 22 is a pyroelectric infrared sensor N1 with the model number LN074B, and is installed on one side of the suspension plate 21, which is far away from the transformer 1, so as to detect whether a person approaches the transformer 1; the amplifying device 27 includes an amplifier IC1, a resistor R1, and a resistor R2. Amplifier IC1 is model LM 324; the resistance value of the resistor R2 is 10K omega; the resistance of the resistor R1 is 100K omega.

The D end of the pyroelectric infrared sensor N1 is connected with a power supply VCC, the G end is connected with ground GND, the S end of the pyroelectric infrared sensor N1 is connected with the equidirectional input end of the amplifier IC1, the reverse input end of the amplifier IC1 is respectively connected with one end of a resistor R1 and one end of a resistor R2, the other end of a resistor R2 is connected with ground GND, and the other end of the resistor R1 is connected with the output end of the amplifier IC.

The control device 23 comprises a triode Q1, a resistor R3, a resistor R4 and a relay K1; the resistance value of the resistor R3 is 1.5K omega; the resistance value of the resistor R4 is 1K omega, the relay K1 is a normally open relay with the model of PQ 1A-3V; the triode Q1 is an NPN type triode with the model number of 2SC4019, wherein the conduction threshold value of the triode is 0.7V; the resistance of the resistor R6 is 50K Ω.

The base electrode of the triode Q1 is respectively connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is connected with the output end of the amplifier IC, and the other end of the resistor R4 is respectively connected with the emitting electrode of the triode Q1 and the ground GND; one end of the relay K1 is connected with the collector of the triode Q1, and the other end of the relay K1 is connected with the power supply VCC.

The alarm device comprises a sound generator SP241 and a resistor R5; the sound generator SP241 is arranged on one side, away from the transformer 1, of the suspension plate 21, and the model of the sound generator SP241 is NMD12065 YB; the resistance of the resistor R5 is 1K Ω.

One end of the sound generator SP241 is connected with one end of a normally open contact K1-1 of the relay K1, the other end of the sound generator SP241 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with the ground GND, and the other end of the normally open contact K1-1 of the relay K1 is connected with the power supply VCC.

The warning device further comprises a projection lamp 242, the projection lamp 242 is hinged to one side, away from the transformer 1, of the suspension plate 21, the projection lamp 242 is used for warning pedestrians in a projection lighting mode to remind the pedestrians not to be close to the transformer 1, and the projection lamp 242 is connected with the sound generator SP241 in parallel.

When the pyroelectric infrared sensor N1 detects a human body, a human body detection signal is high level, the triode Q1 is electrified and conducted, the relay K1 is electrified, the normally open contact K1-1 of the relay K1 is closed, and the sound generator SP241 and the projection lamp 242 work; when the pyroelectric infrared sensor N1 cannot detect a human body, the human body detection signal is low level, the triode Q1 is not conducted, the relay K1 is not electrified, the normally open contact K1-1 of the relay K1 is kept open, and the sound generator SP241 and the projection lamp 242 do not work.

Referring to fig. 4, a strong magnet 25 is disposed on a side of the suspension plate 21 away from the projection lamp 242, a mounting groove 211 is disposed on a side of the suspension plate 21 away from the projection lamp 242, and the strong magnet 25 is embedded in the mounting groove 211, so that the warning device 2 can be attached to a magnetic metal object through the strong magnet 25; it compresses tightly protruding 212 to go back integrated into one piece on the inside wall of mounting groove 211, compresses tightly protruding 212 and is the hemisphere setting to conveniently install strong magnet 25 in mounting groove 211, and compress tightly strong magnet 25 through the elastic deformation of self, make strong magnet 25 be difficult for following the landing in mounting groove 211.

One side that hang board 21 and keep away from projection lamp 242 still is fixed with at least three sucking disc 26, and at least three sucking disc 26 sets up around strong magnet 25 to make warning device 2 can also install on non-metallic plane through sucking disc 26's adsorption, improved warning device 2's application scope.

Referring to fig. 5, the warning device 2 further includes a film 243, the film 243 is adhered to a side of the projection lamp 242 away from the transformer 1, a warning groove 2431 is formed on the film 243, and the warning groove 2431 is in a shape of "step stop, high pressure danger"; when a pedestrian approaches the transformer 1, the projection lamp 242 projects "step-out, high voltage hazard" onto the ground to warn the pedestrian.

Referring to fig. 5 and 6, a first support plate 213 is fixed on one side of the suspension plate 21 close to the projection lamp 242, a second support plate 2421 is fixed on one side of the projection lamp 242 close to the suspension plate 21, and the first support plate 213 and the second support plate 2421 are hinged through bolts, so that the projection angle of the projection lamp 242 can be adjusted through the relative rotation of the first support plate 213 and the second support plate 2421; a plurality of adjusting teeth 2131 are integrally arranged on one side, close to the second support plate 2421, of the first support plate 213, the adjusting teeth 2131 are uniformly arranged around the circumference of the bolt, engaging teeth 2422 are integrally arranged on one side, close to the first support plate 213, of the second support plate 2421, the engaging teeth 2422 are meshed with the adjusting teeth 2131, so that the projection angle of the projection lamp 242 can be accurately adjusted, and meanwhile, after the projection angle of the projection lamp 242 is adjusted, the projection angle can be locked by the engagement of the adjusting teeth 2131 and the engaging teeth 2422, so that the projection angle of the projection lamp 242 is not easy to change after the adjustment is completed.

The implementation principle of the embodiment is as follows: the suspension plate 21 is arranged on the transformer 1 in an adsorption way through the strong magnet 25 or the sucking disc 26, when the pyroelectric infrared sensor N1 detects a human body, the sound generator SP241 and the projection lamp 242 work, and the projection lamp 242 and the film 243 are matched for projecting a 'step-out, high-voltage danger' word to the periphery of the transformer 1 to warn pedestrians; when the pyroelectric infrared sensor N1 cannot detect a human body, the sound generator SP241 does not work with the projection lamp 242.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a transformer overhauls warning device which characterized in that: the device comprises a suspension plate (21) which can be arranged on a transformer (1) in an adsorption manner, a detection unit (22) which is arranged on one side of the suspension plate (21) far away from the transformer (1) and is used for detecting a human body and converting the human body into a human body detection signal, a control device (23) which is coupled with the detection unit (22) to receive the human body detection signal and output a control signal, and an alarm device which is coupled with the control device (23) to receive the control signal and output an alarm signal.

2. The transformer overhaul warning device of claim 1, wherein: one side of the suspension plate (21) close to the transformer (1) is provided with a strong magnetic block (25), and one side of the suspension plate (21) close to the transformer (1) is provided with a mounting groove (211) for embedding and installing the strong magnetic block (25).

3. The transformer overhaul warning device of claim 2, wherein: and a pressing bulge (212) for pressing the strong magnetic block (25) is arranged on the inner side wall of the mounting groove (211).

4. The transformer overhaul warning device of claim 2, wherein: one side of the suspension plate (21) close to the transformer (1) is provided with at least three suckers (26), and at least three suckers (26) are arranged around the strong magnetic block (25).

5. The transformer overhaul warning device of claim 1, wherein: the alarm device comprises a sound generator (241) arranged on one side of the suspension plate (21) far away from the transformer (1).

6. The transformer overhaul warning device of claim 5, wherein: the warning device also comprises a projection lamp (242) hinged to one side of the suspension plate (21) far away from the transformer (1).

7. The transformer overhaul warning device of claim 6, wherein: one side that transformer (1) was kept away from in projection lamp (242) is pasted and is had film (243), take shape warning groove (2431) on film (243), warning groove (2431) are "stopping, high-pressure dangerous" typely and set up.

8. The transformer overhaul warning device of claim 6, wherein: a first support plate (213) is fixed on one side, away from the transformer (1), of the suspension plate (21), a second support plate (2421) hinged with the first support plate (213) is fixed on one side, close to the suspension plate (21), of the projection lamp (242), adjusting teeth (2131) uniformly arranged around the circumferential direction of a hinge point are arranged on one side, close to the second support plate (2421), of the first support plate (213), and engaging teeth (2422) meshed with the adjusting teeth (2131) are arranged on one side, close to the first support plate (213), of the second support plate (2421).