CN217181101U - Alarm device for detecting equipment current leakage - Google Patents
Alarm device for detecting equipment current leakage Download PDFInfo
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- CN217181101U CN217181101U CN202220531666.XU CN202220531666U CN217181101U CN 217181101 U CN217181101 U CN 217181101U CN 202220531666 U CN202220531666 U CN 202220531666U CN 217181101 U CN217181101 U CN 217181101U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The application discloses an alarm device for detecting equipment current leakage relates to chemical production technical field, has solved among the prior art equipment and has taken place the problem that electric leakage needs in time to detect and report to the police at the in-process of work. The embodiment of the utility model provides an alarm device for check out test set current is revealed, including hall current sensor, external auxiliary power supply, current detection subassembly, contactor and siren. The ground wire of the device to be tested passes through the Hall current sensor. The input end of the Hall current sensor is connected with an external auxiliary power supply, and the output end of the Hall current sensor is connected with the input end of the current detection assembly. And the external auxiliary power supply is used for providing current for the Hall current sensor. The output end of the current detection component is connected with the input end of the contactor, and the output end of the contactor is connected with the input end of the alarm. Adopt the utility model provides an alarm device for check out test set electric current is revealed has realized carrying out the purpose that electric leakage detected and sent the police dispatch newspaper to equipment.
Description
Technical Field
The application relates to the technical field of chemical production, in particular to an alarm device for detecting current leakage of equipment.
Background
Electrolysis is a process of synthesizing chemicals, producing high-purity substances, and treating the surface of materials by utilizing an electrochemical reaction occurring at the interface between an electrode as an electron conductor and an electrolyte as an ion conductor. Therefore, it is widely used in industrial processes.
In the process of producing chlorine, hydrogen and caustic soda by electrolyzing salt water, in order to ensure the safe and stable operation of production equipment, part of the production equipment is required to be not electrified. Therefore, on one hand, energy can be saved, and on the other hand, the metal pipeline can be prevented from being corroded and damaged by electrochemical reaction in the liquid inlet and outlet processes of the electrolyte. Most importantly, the condition that the equipment or facilities have excessive current and further cause certain potential safety hazards to operators is avoided.
Therefore, an alarm device capable of detecting the leakage of the equipment in time is needed.
Disclosure of Invention
The embodiment of the application provides an alarm device for detecting equipment current leakage, solves the problems that in the prior art, equipment needs to be detected and alarmed in time when electric leakage occurs in the working process, and achieves the purposes of detecting the electric leakage of the equipment and giving an alarm.
The embodiment of the utility model provides an alarm device for detecting equipment current leakage, which comprises a Hall current sensor, an external auxiliary power supply, a current detection component, a contactor and an alarm;
a grounding wire of the device to be detected penetrates through the Hall current sensor;
the input end of the Hall current sensor is connected with the external auxiliary power supply, and the output end of the Hall current sensor is connected with the input end of the current detection assembly;
the external auxiliary power supply is used for providing current for the Hall current sensor;
the output end of the current detection assembly is connected with the input end of the contactor, and the output end of the contactor is connected with the input end of the alarm.
In one possible implementation manner, the plurality of hall current sensors are provided, and the plurality of hall current sensors are connected in parallel with each other and used for measuring leakage currents in a plurality of lines.
In one possible implementation, the external auxiliary power source includes a single power source, a dual power source, and a dc power source.
In one possible implementation, the current detection assembly includes a detection circuit board;
the detection circuit board is provided with an MCU (microprogrammed control unit) which is used for detecting the received current and controlling whether to output the received current to the contactor.
In a possible implementation manner, a control switch is connected between the contactor and the current detection assembly.
In one possible implementation, the alarm and the contactor are connected through a signal line.
In a possible implementation manner, the system further comprises an installation box;
the Hall current sensor, the current detection assembly and the contactor are installed in the installation box;
the alarm is installed on the outer surface of the installation box.
In a possible implementation manner, a temperature detector and a smoke detector are further arranged in the installation box;
the temperature detector and the smoke detector are respectively connected with the alarm.
In one possible implementation, a flame retardant layer is provided within the installation box.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the invention adopts the alarm device for detecting the current leakage of the equipment, which comprises the Hall current sensor, the external auxiliary power supply, the current detection assembly, the contactor and the alarm, wherein the external auxiliary power supply provides current for the Hall current sensor and generates a magnetic field, the grounding wire of the equipment to be detected penetrates through the magnetic field generated by the Hall current sensor and generates induction current, and the induction current is transmitted to the current detection assembly. When the current in the current detection assembly is larger than the set current A1, the contactor and the alarm are in a closed state, and the alarm works; when the current in the current detection assembly is less than the set current A1, the contactor is disconnected with the alarm, and the alarm does not work. Adopt the utility model provides a pair of alarm device that check out test set electric current was revealed has effectively solved among the prior art problem that the equipment took place the electric leakage at the in-process of work and need in time detect and report to the police, and then has realized carrying out the purpose that electric leakage detected and sent the police dispatch newspaper to equipment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic circuit connection diagram of an alarm device for detecting current leakage of equipment according to an embodiment of the present disclosure;
fig. 2 is a main structural schematic diagram of an installation box provided in the embodiment of the present application.
Reference numerals: 100-hall current sensor; 200-external auxiliary power supply; 300-a current sensing component; 400-a contactor; 500-an alarm; 600-installing a box; 610-a temperature detector; 620-smoke detector; 700-the device to be tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 and 2, an embodiment of the present invention provides an alarm device for detecting current leakage of a device, including a hall current sensor 100, an external auxiliary power supply 200, a current detection assembly 300, a contactor 400, and an alarm 500. The external auxiliary power supply 200 is connected to the positive and negative electrodes of the hall current sensor 100 through wires, and provides a magnetic field for the hall current sensor 100.
The ground line of the device 700 to be tested is passed through the hall current sensor 100, and when a current flows through the ground line, the ground line of the device 700 to be tested excites a specific current a2 in the hall current sensor 100. The input end of the hall current sensor 100 is connected with the external auxiliary power supply 200, and the output end of the hall current sensor 100 is connected with the input end of the current detection assembly 300. When an induced current is generated in the hall current sensor 100, the output terminal of the hall current sensor 100 outputs the induced current to the current detecting assembly 300.
The external auxiliary power supply 200 is used for providing current for the hall current sensor 100, and the external auxiliary power supply 200 provides required power for the hall current sensor 100.
The output terminal of the current detection assembly 300 is connected to the input terminal of the contactor 400, and the output terminal of the contactor 400 is connected to the input terminal of the alarm 500. When the current in the current detecting element 300 is greater than the set current value a1, the contactor 400 and the alarm 500 are in a closed state, and when the current in the current detecting element 300 is less than the set current value a1, the contactor 400 and the alarm 500 are in an open state.
The embodiment of the invention adopts the alarm device for detecting the current leakage of the equipment, which comprises the Hall current sensor 100, the external auxiliary power supply 200, the current detection assembly 300, the contactor 400 and the alarm 500, wherein specifically, the external auxiliary power supply 200 provides current for the Hall current sensor 100 and generates a magnetic field, the ground wire of the equipment to be detected 700 penetrates through the magnetic field generated by the Hall current sensor 100 and generates induction current, and the induction current is transmitted to the current detection assembly 300. When the current in the current detection assembly 300 is greater than the set current a1, the contactor 400 and the alarm 500 are in a closed state, and the alarm 500 operates; when the current in the current detecting assembly 300 is less than the set current a1, the contactor 400 is disconnected from the alarm 500 and the alarm 500 is not operated. Adopt the utility model provides a pair of alarm device that check out test set electric current was revealed has effectively solved among the prior art problem that the equipment took place the electric leakage at the in-process of work and need in time detect and report to the police, and then has realized carrying out the purpose that electric leakage detected and sent the police dispatch newspaper to equipment.
As shown in fig. 2, in one possible implementation, a plurality of hall current sensors 100 are provided, and the plurality of hall current sensors 100 are connected in parallel with each other and used for measuring leakage currents in a plurality of lines. In the actual production process, one alarm device for detecting the current leakage of the equipment is provided with 50 groups of wiring terminals at most, so that the magnitude of the current carried by each group of grounding wires in 50 groups of grounding wires can be detected simultaneously, and the effects of high integrated control, flexible detection and convenience in installation are achieved. In addition, the plurality of hall current sensors 100 are connected in parallel with each other and used to measure leakage currents in a plurality of devices or in different positions of one device.
In one possible implementation, the external auxiliary power source 200 includes a single power source, dual power sources, and a dc power source, as shown in fig. 1. The external auxiliary power supply 200 can use a plurality of types of power supplies, thereby widening the use occasions of the alarm device. The device can be used in common process production places, and can be used in dangerous areas with fire and explosion, such as production, use and storage of flammable liquid, flammable gas, liquefied gas and the like.
As shown in fig. 1 and 2, in one possible implementation, the current detection assembly 300 includes a detection circuit board for integrated processing of a plurality of lines.
The detection circuit board is provided with an MCU for detecting the received current and controlling whether to output the received current to the contactor 400. The MCU compares the current value A2 on the circuit board with the current value A1 set in the MCU, and then controls whether to output the current on the circuit board.
As shown in fig. 1, in one possible implementation, a control switch is connected between the contactor 400 and the current detection assembly 300. The control switch directly controls the opening and closing of the line between the contactor 400 and the current detection assembly 300. When the current value A1 is set to be less than the current value A2 in the current detection assembly 300, the control switch is in a closed state; when the current value a2 < the set current value a1 in the current detection assembly 300, the control switch is in an open state.
Further, the alarm 500 is connected to the contactor 400 through a signal line. When the control switch is in a closed state, the alarm 500 operates; when the control switch is in the open state, the alarm 500 does not operate. When the alarm 500 gives an alarm, it indicates that an abnormal condition occurs in the production system, and the current value of the device 700 to be detected exceeds the allowable range, so the alarm 500 reminds the operator of taking emergency measures to deal with. Therefore, the alarm device can rapidly judge whether the device 700 to be detected leaks electricity and the position of the leakage electricity, and further eliminates the hidden danger of electric shock injury accidents of personnel and equipment damage accidents.
As shown in fig. 2, in a possible implementation manner, the hall current sensor device further includes an installation box 600, and the hall current sensor 100, the current detection assembly 300, and the contactor 400 are installed in the installation box 600. The mounting box 600 is used to mount a plurality of circuit components and protect the components in a centralized manner. In addition, still be provided with the mounting bracket in the install bin 600, the mounting bracket is provided with the multilayer. When the alarm device is used for measuring the current in a plurality of lines, the mounting rack prevents a plurality of circuit components from being wound together.
The alarm 500 is mounted to an outer surface of the installation case 600. When the alarm 500 is turned on, the operator may further determine whether there is an electrical leakage condition in the apparatus 700 to be tested by observing the alarm 500 of the installation case 600. When the device 700 to be detected leaks the alarm 500 and rings, the operation personnel can further control and process the leakage equipment in time, thereby eliminating the potential safety hazard caused by the leakage of the equipment and the problem that the equipment is corroded by electrochemistry.
As shown in fig. 2, in one possible implementation, a temperature detector 610 and a smoke detector 620 are also disposed in the installation box 600. The temperature detector 610 and the smoke detector 620 together monitor the operating environment inside the installation case 600 in real time.
The temperature detector 610 and the smoke detector 620 are respectively connected to the alarm 500. When the data monitored by the temperature detector 610 and the smoke detector 620 are abnormal, the alarm 500 gives an alarm and reminds an operator to adjust and overhaul the working environment in the installation box 600.
Further, in one possible implementation, a flame retardant layer is provided within the installation case 600. When a fire occurs in the installation case 600, the fire retardant layer protects the installation case 600 from being burned out and prevents the fire in the installation case 600 from being further spread.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (9)
1. An alarm device for detecting equipment current leakage is characterized by comprising a Hall current sensor (100), an external auxiliary power supply (200), a current detection assembly (300), a contactor (400) and an alarm (500);
the grounding wire of the device to be detected (700) penetrates through the Hall current sensor (100);
the input end of the Hall current sensor (100) is connected with the external auxiliary power supply (200), and the output end of the Hall current sensor (100) is connected with the input end of the current detection assembly (300);
the external auxiliary power supply (200) is used for providing current for the Hall current sensor (100);
the output end of the current detection component (300) is connected with the input end of the contactor (400), and the output end of the contactor (400) is connected with the input end of the alarm (500).
2. The alarm apparatus for detecting a device current leakage according to claim 1, wherein the plurality of hall current sensors (100) are provided, and the plurality of hall current sensors (100) are connected in parallel with each other and are used to measure leakage currents in a plurality of lines.
3. The alarm apparatus for detecting current leakage of equipment according to claim 1, wherein the external auxiliary power source (200) includes a single power source, a dual power source, and a direct current power source.
4. The alarm device for detecting device current leakage according to claim 1, wherein the current detection assembly (300) includes a detection circuit board;
the detection circuit board is provided with an MCU (microprogrammed control unit) which is used for detecting the received current and controlling whether to output the received current to the contactor (400).
5. The alarm device for detecting current leakage of equipment according to claim 4, wherein a control switch is connected between the contactor (400) and the current detection assembly (300).
6. The alarm apparatus for detecting device current leakage according to claim 5, wherein the alarm (500) is connected to the contactor (400) through a signal line.
7. The alarm device for detecting the current leakage of the equipment according to claim 1, further comprising a mounting case (600);
the Hall current sensor (100), the current detection assembly (300) and the contactor (400) are installed in the installation box (600);
the alarm (500) is mounted on the outer surface of the mounting box (600).
8. The alarm device for detecting the current leakage of the equipment as claimed in claim 7, wherein a temperature detector (610) and a smoke detector (620) are further provided in the installation box (600);
the temperature detector (610) and the smoke detector (620) are respectively connected with the alarm (500).
9. The alarm device for detecting equipment current leakage according to claim 7, characterized in that a flame retardant layer is provided in the installation box (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220531666.XU CN217181101U (en) | 2022-03-11 | 2022-03-11 | Alarm device for detecting equipment current leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220531666.XU CN217181101U (en) | 2022-03-11 | 2022-03-11 | Alarm device for detecting equipment current leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217181101U true CN217181101U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220531666.XU Active CN217181101U (en) | 2022-03-11 | 2022-03-11 | Alarm device for detecting equipment current leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217181101U (en) |
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2022
- 2022-03-11 CN CN202220531666.XU patent/CN217181101U/en active Active
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