CN219758468U - Liquid leakage alarm - Google Patents

Abstract

The utility model discloses a liquid leakage alarm. The utility model provides a liquid leakage alarm, which comprises: the alarm comprises an alarm box body, a horn loudspeaker, an alarm lamp, a power indicator lamp, an alarm indicator lamp, a current leakage test button and a voltage leakage test button; the liquid leakage alarm provided by the utility model can provide voice and light alarm, warn and persuade people in the area to leave when equipment and lines leak electricity due to damage, flooding, condensation, creepage and other conditions, so that the personal safety is effectively protected; the utility model adopts dual detection of current and voltage, is stable and reliable, is convenient to use, and can be suitable for environments such as municipal administration and park illumination, traffic guidance, construction sites, river courses and beach culture and the like. The utility model can carry out remote wireless data transmission, and related data is transmitted to a data center for summarizing, thereby being convenient for unified monitoring and timely finding out and processing faults.

Description

Liquid leakage alarm

Technical Field

The utility model relates to the technical field of leakage alarm, in particular to a liquid leakage alarm.

Background

Leakage is a leakage of current due to insulation damage or other reasons. After the electric appliance shell is communicated with the commercial power fire wire for some reason, certain potential difference is generated between the electric appliance shell and the ground, so that electric leakage can be generated. Under outdoor environment, if the protection measures are improper, the circuit is easy to leak electricity due to damage, flooding, condensation, creepage and other conditions, and potential safety hazards are generated. The existing leakage alarm usually utilizes a high-precision electronic element to detect the real-time voltage of the electric equipment during working, and compared with the set voltage of the equipment, when the actual measured voltage is larger than the set voltage, the leakage alarm immediately starts an audible and visual alarm. At present, a current leakage alarm device uses a relatively large amount of current detection, such as a common leakage protection switch, but the detection is incomplete in this way, so that a liquid leakage alarm device is necessary to be provided to solve the above problems.

Disclosure of Invention

The utility model aims to provide a liquid leakage alarm aiming at the defects of the prior art, so as to solve the problem that the existing leakage alarm is incomplete in detection.

The utility model provides a liquid leakage alarm, comprising: the alarm comprises an alarm box body, a horn loudspeaker, an alarm lamp, a power indicator lamp, an alarm indicator lamp, a current leakage test button and a voltage leakage test button; the horn loudspeaker and the alarm lamp are arranged outside the alarm box body, and the power supply indicator lamp, the alarm indicator lamp, the current leakage test button and the voltage leakage test button are arranged inside the alarm box body; the alarm box is internally provided with a data processing center circuit, a power circuit connected with a power indicator lamp, a voltage detection circuit connected with a voltage leakage test button, a current detection circuit connected with a current leakage test button, a voice broadcasting circuit connected with a horn loudspeaker, a lamp light warning circuit connected with an alarm lamp and the alarm indicator lamp and a remote data communication circuit; the voltage detection circuit, the current detection circuit, the voice broadcasting circuit, the light warning circuit and the remote data communication circuit are respectively connected with the data processing center circuit; the data processing center circuit, the voltage detection circuit, the current detection circuit, the voice broadcasting circuit, the light warning circuit and the remote data communication circuit are respectively connected with the power supply circuit.

Further, one side of the alarm box body is connected with an alarm box door, and a door lock is arranged on the alarm box door.

Further, a wire inlet hole is formed in the bottom of the alarm box body.

Further, a monitoring horn is arranged in the alarm box body, and the monitoring horn is connected with the voice broadcasting circuit.

Further, the horn loudspeaker is arranged on two sides of the alarm box body, and the alarm lamp is arranged on the top of the alarm box body.

Further, the data processing center circuit is connected with the experiment circuit and the environment detection circuit respectively.

The utility model has the following beneficial effects: the liquid leakage alarm provided by the utility model can provide voice and light alarm, warn and persuade people in the area to leave when equipment and lines leak electricity due to damage, flooding, condensation, creepage and other conditions, so that the personal safety is effectively protected; the utility model adopts dual detection of current and voltage, is stable and reliable, is convenient to use, and can be suitable for environments such as municipal administration and park illumination, traffic guidance, construction sites, river courses and beach culture and the like. The utility model can carry out remote wireless data transmission, and related data is transmitted to a data center for summarizing, thereby being convenient for unified monitoring and timely finding out and processing faults.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the external structure of a liquid leakage alarm of the present utility model;

FIG. 2 is a schematic view of the internal structure of the liquid leakage alarm of the present utility model;

FIG. 3 is a schematic block diagram of the internal circuitry of the liquid leakage alarm of the present utility model;

FIG. 4 is a circuit diagram of the data processing center circuit of the liquid leakage alarm of the present utility model;

FIG. 5 is a circuit diagram of a voltage detection circuit of the liquid leakage alarm of the present utility model;

FIG. 6 is a circuit diagram of a current detection circuit of the liquid leakage alarm of the present utility model;

FIG. 7 is a circuit diagram of a voice broadcast circuit of the liquid leakage alarm of the present utility model;

FIG. 8 is a circuit diagram of a remote data communication circuit of the liquid leakage alarm of the present utility model;

FIG. 9 is a circuit diagram of an experimental circuit of the liquid leakage alarm of the present utility model;

FIG. 10 is a circuit diagram of an environment detection circuit of the liquid leakage alarm of the present utility model;

FIG. 11 is a circuit diagram of a light warning circuit of the liquid leakage alarm of the present utility model;

FIG. 12 is a circuit diagram of a power circuit of the liquid leakage alarm of the present utility model;

fig. 13 is a schematic view of a liquid leakage alarm to wiring terminal block of the present utility model.

Illustration of: 1-an alarm box body; 2-an alarm box door; 3-horn speaker; 4-an alarm lamp; 5-door locks; 6-a wire inlet hole; 7-monitoring a loudspeaker; 8-a power indicator lamp; 9-an alarm indicator lamp; 10-a current leakage test button; 11-voltage leakage test button; 101-a data processing center circuit; 102-a power supply circuit; 103-a voltage detection circuit; 104-a current detection circuit; 105-an experimental circuit; 106 an environment detection circuit; 107-voice broadcasting circuit; 108-a lamplight warning circuit; 109-remote data communication circuitry.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present utility model will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, thicknesses of layers and regions are exaggerated for clarity, and identical reference numerals are used to denote identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides a liquid leakage alarm, including: alarm box 1, alarm chamber door 2, horn speaker 3, alarm lamp 4, lock 5, monitor loudspeaker 7, power indicator 8, alarm indicator 9, electric current leakage test button 10 and voltage leakage test button 11.

Wherein, one side of alarm box 1 is connected with alarm chamber door 2, is provided with lock 5 on the alarm chamber door 2. The bottom of the alarm box body 1 is provided with a wire inlet hole 6. Horn speaker 3 sets up in the both sides of alarm box 1, and alarm lamp 4 sets up in the top of alarm box 1. The monitoring loudspeaker 7, the power indicator lamp 8, the alarm indicator lamp 9, the current leakage test button 10 and the voltage leakage test button 11 are arranged in the alarm box body 1.

Specifically, referring to fig. 4 to 12, the alarm box 1 is further provided therein with a data processing center circuit 101, a power supply circuit 102 connected to the power supply indicator lamp 8, a voltage detection circuit 103 connected to the voltage leakage test button 11, a current detection circuit 104 connected to the current leakage test button 10, a voice broadcast circuit 107 connected to the horn speaker 3 and the monitor speaker 7, a light warning circuit 108 connected to the alarm lamp 4 and the alarm indicator lamp 9, and a remote data communication circuit 109.

The voltage detection circuit 103, the current detection circuit 104, the voice broadcasting circuit 107, the light warning circuit 108, and the remote data communication circuit 109 are connected to the data processing center circuit 101, respectively. The experiment circuit 105 is connected with the voltage detection circuit 103 and the current detection circuit 104 respectively, and the environment detection circuit 106 is connected with the data processing center circuit 101; the data processing center circuit 101, the voltage detection circuit 103, the current detection circuit 104, the experiment circuit 105, the environment detection circuit 106, the voice reporting circuit 107, the light warning circuit 108, and the remote data communication circuit 109 are respectively connected to the power supply circuit 102.

The voltage detection circuit 103 is used for detecting leakage voltage, and early detection of faults is more sensitive. The current detection circuit 104 is used for leakage current monitoring and immediately alarms when the leakage current exceeds a safety range. The alarm lamp 4 flashes to give an alarm to effectively remind pedestrians nearby. The horn loudspeaker 3 adopts a 20W multiplied by 2 waterproof horn loudspeaker, and the horn loudspeaker can carry out cyclic voice alarm and can be persuaded away in time. The alarm box body 1 adopts an IP65 waterproof stainless steel box body, and is suitable for severe environments in rainy seasons.

The embodiment of the utility model provides a liquid leakage alarm, which is installed and distributed as follows: before installation, the line voltage is confirmed to be between 175 and 240V, and the line grounding resistance is less than or equal to 4Ω. And the power supply of the circuit is disconnected, so that the safety is ensured. And opening the case door lock, and taking down four M4 screws of the fixed panel. Referring to fig. 13, a wiring terminal block is found at the lower left part of the cabinet.

The terminal is defined as follows: a- - - -line input phase line (L); b- -line input neutral (N); c- -protecting the ground line (PE); d— protecting the ground line (PE); e- -line output phase (Lo); f- - -line output zero line (No); g- -voltage sensing electrode (Vt); h- -equipment maintenance switch.

The matched cable is selected according to the maximum load power, and the terminal is suitable for cables with flexible wires of 2.5mm below (hard wires of 4mm below); the maintenance switch is turned off, and the output cable is connected to the E, F terminal. And the lead-out wire of the D-shaped terminal is connected to the metal upright post or the flange of the electric pole, and the problem of rust or oxidization on the contact surface cannot be solved due to firm and reliable connection. And the G-number terminal lead wire (the wire diameter is not less than 1.5 mm) is connected with the voltage detection electrode. The input cable is connected to the A, B, C terminal, and finally the maintenance switch is closed. After the circuit connection is checked to be correct, the panel is installed back, and the fixing screw is screwed. Restoring line power supply, carrying out experiments according to requirements, and delivering the test products to use after the test products are normal.

The specific use method of the liquid leakage alarm is as follows:

after the installation and wiring are completed, the main loop power supply is connected. The alarm power indicator lamp 8 is lightened to indicate that the alarm enters the working state. In order to ensure reliable operation of the equipment, experiments should be carried out periodically after the equipment is turned on. The experimental intervals can be referred to in the following table:

TABLE 1 experimental intervals

Before the experiment, the equipment is required to be powered on, and the power indicator lamp is lighted. The current test button is pressed by hand, and the alarm starts the alarm function. The alarm mode is as follows (same below), the alarm indicator lights are lighted, the alarm lights flash, the monitoring horn and the horn synchronously and circularly play voices to detect the surrounding lines, the electric leakage is found, the people please bypass-! ". After the test button is loosened and the voice is played, the indicator lamp is synchronously extinguished, and the alarm is released. The voltage test button is pressed by hand, and the test result is the same as above, which indicates that the equipment works normally.

In the work, if equipment and lines leak electricity, the alarm can start an alarm function, drive on-site personnel to get close to a fault point, effectively ensure personal safety until the lines are out of order and restore safety. An alarm with a remote wireless communication function is provided, and when the alarm function is started, the alarm can send alarm data (including time, fault type, equipment serial number and the like) to a remote data center according to requirements. Thus, the data center can quickly know the fault condition and process the fault in time.

The maintenance method of the liquid leakage alarm is as follows: the circuit is inspected regularly without damage, the connection is firm and reliable, and particularly the electrode connection point of leakage is inspected in a major way. The electrode connection points are subjected to rust prevention treatment, and maintenance is performed regularly. For the rusted fittings, the fittings should be replaced in time. The equipment is broken down, and the maintenance switch is disconnected firstly, and then maintenance treatment is carried out.

In summary, the liquid leakage alarm can use two modes of voltage and current to perform leakage detection, so that the detection reliability can be effectively improved; one detection mode can be used alone, and the other detection circuit is not connected to an external circuit. The alarm can alarm after detecting the electric leakage, and the alarm modes comprise 3 modes of sound, light and remote data, but the load circuit cannot be cut off. For many important devices, infrastructure, such as communications, power, emergency services, lu Zheng, etc., is effective to maintain continued power during an alarm until the professional determines the nature for processing. If the power supply is cut off when an alarm is needed, a contactor can be added in the alarm.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be capable of being practiced otherwise than as specifically illustrated and described.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A liquid leakage alarm, comprising: the alarm comprises an alarm box body (1), a horn loudspeaker (3), an alarm lamp (4), a power supply indicator lamp (8), an alarm indicator lamp (9), a current leakage test button (10) and a voltage leakage test button (11);

the horn loudspeaker (3) and the alarm lamp (4) are arranged outside the alarm box body (1), and the power supply indicator lamp (8), the alarm indicator lamp (9), the current leakage test button (10) and the voltage leakage test button (11) are arranged inside the alarm box body (1);

the alarm box body (1) is internally provided with a data processing center circuit (101), a power supply circuit (102) connected with a power supply indicator lamp (8), a voltage detection circuit (103) connected with a voltage leakage test button (11), a current detection circuit (104) connected with a current leakage test button (10), a voice broadcasting circuit (107) connected with a horn loudspeaker (3), a light warning circuit (108) connected with an alarm lamp (4) and an alarm indicator lamp (9) and a remote data communication circuit (109);

the voltage detection circuit (103), the current detection circuit (104), the voice broadcasting circuit (107), the lamplight warning circuit (108) and the remote data communication circuit (109) are respectively connected with the data processing center circuit (101);

the data processing center circuit (101), the voltage detection circuit (103), the current detection circuit (104), the voice broadcasting circuit (107), the lamplight warning circuit (108) and the remote data communication circuit (109) are respectively connected with the power supply circuit (102).

2. A liquid leakage alarm according to claim 1, characterized in that one side of the alarm box (1) is connected with an alarm box door (2), and the alarm box door (2) is provided with a door lock (5).

3. A liquid leakage alarm according to claim 1, characterized in that the bottom of the alarm housing (1) is provided with a feed hole (6).

4. The liquid leakage alarm according to claim 1, wherein a monitoring horn (7) is arranged in the alarm box (1), and the monitoring horn (7) is connected with the voice broadcasting circuit (107).

5. A liquid leakage alarm according to claim 1, characterized in that the horn loudspeakers (3) are arranged on both sides of the alarm box (1), and the alarm lamp (4) is arranged on the top of the alarm box (1).

6. A liquid leakage alarm according to claim 1, wherein an experiment circuit (105) is connected to the voltage detection circuit (103) and the current detection circuit (104), respectively, and an environment detection circuit (106) is connected to the data processing center circuit (101); the experiment circuit (105) and the environment detection circuit (106) are respectively connected with the power supply circuit (102).