CN210669005U - Power switch cabinet with alarm function - Google Patents
Power switch cabinet with alarm function Download PDFInfo
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- CN210669005U CN210669005U CN201920248065.6U CN201920248065U CN210669005U CN 210669005 U CN210669005 U CN 210669005U CN 201920248065 U CN201920248065 U CN 201920248065U CN 210669005 U CN210669005 U CN 210669005U
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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
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model discloses a power switch cabinet with an alarm function, which comprises a power switch cabinet, wherein the front side of the power switch cabinet is hinged with a cabinet door; the portable receiving device is characterized in that an installation frame is fixed on the top surface of the power switch cabinet, threading ports are formed in the left side and the right side of the installation frame, a control device is installed in the installation frame, USB (universal serial bus) sockets for connecting sensors are formed in the left side and the right side of the control device, a display screen is installed on the front side of the control device, and a transparent plate is embedded in the front side of the installation frame; the utility model discloses with the inside temperature of power switch cabinet, humidity, smog and oxygen degree pass through wireless network transmission to receiving arrangement, conveniently report to the police through receiving arrangement for maintainer can in time look over and maintain convenient operation, simple to use.
Description
Technical Field
The utility model relates to a power switch cabinet technical field specifically is a power switch cabinet with alarm function.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instruments, automatic control, motor magnetic switches, various alternating current contactors and the like, some switch cabinets with high-voltage chambers and low-voltage chambers are also provided, high-voltage buses are arranged, such as power plants and the like, some switch cabinets with low-frequency load shedding for protecting main equipment are also provided, and the switch cabinets are used for opening, closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The internal parts of the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The main faults of the switch cabinet are: failure of operation refusal and misoperation; open and close failures; an insulation failure; a current carrying fault; external force and other faults, the power switch cabinet sometimes makes a periodic hoarseness sound, and the periodic sound indicates that an abnormal discharge breakdown phenomenon possibly occurs in the switch cabinet. This phenomenon means insulation or poor contact of the switchgear. In the insulation system of the switch cabinet, the electric field intensity of each part is different, once the electric field intensity of a certain area reaches the breakdown field intensity, the area can generate a discharge phenomenon, however, the whole discharge process is not penetrated between two conductors applying voltage, namely, the insulation system is not broken down by discharge, and the phenomenon is partial discharge. The electric field distribution in the insulating medium, the electrical and physical properties of the insulation, and the like determine the conditions under which partial discharge occurs, and in general, partial discharge easily occurs under conditions of high electric field strength and low electrical strength. Although partial discharges do not generally penetrate through the insulation, they can locally damage the dielectric, which, if present over a long period of time, can reduce the electrical strength of the insulating medium under certain conditions. Therefore, partial discharge belongs to hidden danger in electrical equipment, and the damage process of the partial discharge shows the characteristics of slowness and long-term property. Since the sound is often influenced by the environment and some discharge phenomena produce very little sound, which is hardly perceptible to the human ear. The internal insulation defect or aging of the switch cabinet and poor contact of the conductive connection part can cause discharge phenomena, and the safe and reliable operation of the switch cabinet is influenced. Because the cubical switchboard all adopts the air as insulating medium usually, when the cubical switchboard has the discharge phenomenon, can consume the oxygen in the cabinet, turn into ozone with it, so can be through detecting whether the discharge phenomenon exists in the cubical switchboard of the inside oxygen concentration change indirect monitoring of cubical switchboard to reach the aassessment to the insulating state in the cubical switchboard, discover the potential safety hazard in time. In addition, the situation that temperature, humidity or internal smoke is generated in the switch cabinet can generate serious consequences, so that a specially-assigned person needs to be alarmed in time to arrive at the site for maintenance, however, the existing alarm device specially arranged for the switch cabinet is lacked, and the maintenance personnel cannot be informed of the timely arrival at the site for maintenance and rush repair.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the power switch cabinet who provides has alarm function.
The utility model adopts the technical proposal that: a power switch cabinet with an alarm function comprises a power switch cabinet, wherein a cabinet door is hinged to the front face of the power switch cabinet; the method is characterized in that: the power switch cabinet is characterized by further comprising a portable receiving device, wherein a mounting frame is fixed on the top surface of the power switch cabinet, a protective cover is hinged to the top surface of the mounting frame, a butt strap is arranged at the front end inside the mounting frame, when the protective cover covers the mounting frame, the protective cover is lapped on the butt strap, threading ports are arranged on the left side and the right side of the mounting frame, a control device is arranged inside the mounting frame, USB (universal serial bus) sockets for connecting sensors are arranged on the left side and the right side of the control device, a display screen is arranged on the front side of the control device, and a transparent plate is embedded in the front side of;
the power switch cabinet is also provided with four installation parts extending to the inside of the power switch cabinet and provided with probe holes at the bottom surface, wherein sensors are respectively installed on the four installation parts, the sensors are a temperature sensor with the model of PT100, a humidity sensor with the model of LM-410, a smoke sensor with the model of JTY-GD-S836 and a fluorescence oxygen sensor with the model of LOX-02 from left to right;
a singlechip with the model of AT91SAM7S256, a signal conditioning module with the model of ADAM-3000, a signal amplifying module with the model of LM358, an analog-to-digital conversion module with the model of A1S68AD, a wireless transmitting module, a display module with the model of TM12232A-1 and a lithium battery module are arranged in the control device;
the signal conditioning module with the model of ADAM-3000, the signal amplifying module with the model of LM358 and the analog-to-digital conversion module with the model of A1S68AD are arranged one by one aiming AT corresponding sensors, the input end of the signal conditioning module is electrically connected with a USB socket, then the sensors are electrically connected, the conditioned signals are output to the input end of the signal amplifying module after being subjected to impurity removal, the conditioned sensing signals are amplified by the signal amplifying module and then output to the input end of the analog-to-digital conversion module, the analog-to-digital conversion module converts the analog signals into digital signals and inputs the digital signals to the singlechip control with the model of AT91SAM7S256, the singlechip with the model of AT91SAM7S256 is respectively output to the display module with the model of TM12232A-1, the wireless transmitting module and the GPS positioning module, the analog signals are output to the display screen through the display module with the model of TM12232A-1, sensing numbers are displayed on the display screen, and the sensing signals are wirelessly, also transmitting the orientation of the power switch cabinet to a receiving device;
the portable receiving device receives a sensing signal and a positioning signal in the power switch cabinet sent by the wireless sending module, a liquid crystal display screen and an alarm loudspeaker are installed on the front face of the portable receiving device, and a switch button is installed on the lower right corner of the receiving device;
a control chip with the model CY8C 243354, a wireless receiving module, an alarm module with the model DS7457, a storage module, a liquid crystal display module with the model LCE1602 and a micro lithium battery are arranged in the portable receiving device;
wireless receiving module and GPS receive orientation module are connected to control chip input electricity, and are the liquid crystal display module of LCE1602 with the signal output who receives to the model, and export the liquid crystal display module that is LCE1602 by the model and show to liquid crystal display, when the numerical value of sensing signal is greater than the inside memory data of memory module, report to the police by alarm module electricity connection warning loudspeaker, shift knob electricity connection control chip and lithium micro battery respectively.
Preferably, the temperature sensor with the model of PT100, the humidity sensor with the model of LM-410, the smoke sensor with the model of JTY-GD-S836 and the fluorescent oxygen sensor with the model of LOX-02 are all provided with connecting wires, and USB sockets are arranged on the connecting wires and are respectively inserted into corresponding USB interfaces to form electric connection.
Preferably, a charging hole is formed in the back of the control device and electrically connected with the lithium battery.
Preferably, the top surface of the installation frame is hinged with a protective cover, the front end inside the installation frame is provided with an access board, and when the protective cover covers the installation frame, the protective cover is arranged on the access board.
Preferably, the number of the signal conditioning modules, the number of the signal amplifying modules and the number of the analog-to-digital conversion modules are four.
Preferably, the portable receiving device is provided with a thumb ring on the left side and four finger rings on the right side.
Preferably, the portable receiving device is provided with a charging port at the lower left corner of the back surface, and the charging port is electrically connected with the miniature lithium battery.
Preferably, the wireless sending and receiving module type number MD149 is a 3G, 4G, 2G network supporting china telecom and china unicom.
Further, the alarm module adopts an ISD1760 chip.
The utility model discloses the beneficial effect is: control device of installation in power switch cabinet fixed mounting's installing frame, the USB interface that inserts the sensor in the installation department that is equipped with power switch cabinet through its connection is connected to the USB socket electricity that the controlling means left and right sides was equipped with, send sensing signal and locating signal to receiving arrangement by controlling means control, make things convenient for maintainer to look over through liquid crystal display, and be greater than the numerical value ground of the inside storage of storage module when sensing signal, report to the police by warning loudspeaker, this portable receiving arrangement conveniently carries and can look over power switch cabinet internal environment anytime and anywhere, convenient maintenance, this power switch cabinet can be with inside temperature, humidity, smog and oxygen degree are convenient for report to the police and are reminded through wireless network transmission to portable receiving arrangement, make maintainer can in time look over and maintain, and convenient operation, and is simple to use.
Drawings
Fig. 1 is a schematic structural diagram of a power switch cabinet with an alarm function according to the present invention;
FIG. 2 is a schematic structural diagram of the control device of the present invention;
FIG. 3 is a schematic electrical connection diagram of FIG. 2 according to the present invention;
fig. 4 is a schematic structural view of the portable receiving device of the present invention;
fig. 5 is a schematic electrical connection diagram of fig. 4 according to the present invention.
In the figure: the electric switch cabinet comprises a power switch cabinet 1, a cabinet door 11, a mounting frame 2, a protective cover 21, an attachment strap 22, a transparent plate 23, a threading opening 24, a mounting portion 3, a probing hole 31, a temperature sensor 32, a humidity sensor 33, a smoke sensor 34, a fluorescence oxygen sensor 35, a connecting wire 36, a USB interface 37, a control device 4, a charging hole 41, a USB socket 42, a display screen 43, a single chip microcomputer 44, a signal conditioning module 45, a signal amplifying module 46, an analog-to-digital conversion module 47, a wireless sending module 48, a display module 50, a lithium battery module 51, a portable receiving device 6, a liquid crystal display screen 61, an alarm loudspeaker 62, a switch button 63, a control chip 64, a wireless receiving module 65, an alarm module 67, a storage module 68, a miniature lithium battery 69, a liquid crystal display module 70, a charging opening 71, a thumb ring.
Detailed Description
Referring to fig. 1-5, the technical solution provided by the present invention is: the utility model provides a power switch cabinet with alarm function, includes power switch cabinet 1, power switch cabinet 1 openly articulates there is cabinet door 11. The portable receiving device comprises a power switch cabinet 1 and is characterized by further comprising a portable receiving device 6, wherein a mounting frame 2 is fixed on the top surface of the power switch cabinet 1, threading ports 24 are formed in the left side and the right side of the mounting frame 2 and used for electrically connecting sensors, a control device 4 is installed inside the mounting frame 2, as shown in fig. 2, USB (universal serial bus) sockets 42 used for connecting the sensors are formed in the left side and the right side of the control device 4, the sensors can be electrically connected with the control device and used for transmitting sensed data signals to the control device, a display screen 43 is installed on the front side of the control device 4 and used for displaying numerical values sensed to the inside of the power switch cabinet, and a transparent plate 23 is; the transparent plate is opposite to the display screen for protecting the display screen installed by the control device, and meanwhile, the display screen is convenient to see from the outside. The top surface of the mounting frame 2 is hinged with a protective cover 21, the front end inside the mounting frame 2 is provided with an access board 22, and when the protective cover 21 covers the mounting frame 2, the protective cover is arranged on the access board 22. For protecting the control device.
The power switch cabinet 1 is also provided with four mounting parts 3 which extend into the power switch cabinet 1 and are provided with probe holes 31 on the bottom surface, wherein sensors are respectively mounted on the four mounting parts, the sensors are provided with a temperature sensor 32 with the model of PT100, a humidity sensor 33 with the model of LM-410, a smoke sensor 34 with the model of JTY-GD-S836 and a fluorescent oxygen sensor 35 with the model of LOX-02 from left to right; the temperature, humidity, smoke and oxygen sensors are respectively used for stretching into the interior of the power switch cabinet and sensing the temperature, humidity, smoke and oxygen in the power switch cabinet in real time. The temperature sensor with the model number of PT100, the humidity sensor with the model number of LM-410, the smoke sensor with the model number of JTY-GD-S836 and the fluorescent oxygen sensor with the model number of LOX-02 are all provided with connecting wires 36, and USB sockets 37 are arranged on the connecting wires 36 and are respectively inserted into corresponding USB interfaces to form electric connection.
As shown in fig. 3, a single chip microcomputer 44 with a model number of AT91SAM7S256, a signal conditioning module 45 with a model number of ADAM-3000, a signal amplification module 46 with a model number of LM358, an analog-to-digital conversion module 47 with a model number of A1S68AD, a wireless transmission module 48, a display module 50 with a model number of TM12232A-1, and a lithium battery module 51 are installed inside the control device 4;
the signal conditioning module 45 with the model number of ADAM-3000, the signal amplification module 46 with the model number of LM358, and the analog-to-digital conversion module 47 with the model number of A1S68AD are arranged one by one for corresponding sensors, in this embodiment, four signal conditioning modules 45, four signal amplification modules 46, and four analog-to-digital conversion modules 47 are respectively provided, and the electrical connection manners thereof are shown in fig. 3.
The input end of the signal conditioning module 45 is electrically connected with the sensor and removes impurities from the signal, and then outputs the conditioned signal to the input end of the signal amplifying module 46, the conditioned sensing signal is amplified by the signal amplifying module 46 and then output to the input end of the analog-to-digital conversion module 47, the analog-to-digital conversion module 47 converts the analog signal into a digital signal and inputs the digital signal to the single chip microcomputer 44 with the model of AT91SAM7S256 for control, the single chip microcomputer 44 with the model of AT91SAM7S256 is respectively output to the display module 50 and the wireless sending module 48, and is output to the display screen 43 through the display module 50 with the model of TM12232A-1, the sensed number is displayed on the display screen 43, and meanwhile, the sensing signal is wirelessly transmitted to the portable receiving device 6 through the wireless sending module 48, so that the receiving device can receive the sensing data, and the portable receiving device is carried by maintenance personnel and; a charging hole 41 is formed in the back of the control device 4 and electrically connected to the lithium battery module 51 for charging the lithium battery module.
As shown in fig. 4, portable receiving device 6 receives the sensing signal and the locating signal of the power switch cabinet that wireless sending module sent portable receiving device 6 openly installs liquid crystal display 61 and warning loudspeaker 62, and warning loudspeaker set up in the liquid crystal display below, installs shift knob 63 in receiving device 6 lower right corner, presses shift knob and can the switch on. The portable receiving device 6 is provided with a thumb ring 72 on the left side and four finger rings 73 on the right side, and when the portable receiving device is held in the hand, the thumb is inserted into the thumb ring, and the thumb is held from the back and the four fingers are inserted into the four finger rings.
As shown in fig. 5, a control chip 64 of type CY8C 243333, a wireless receiving module 65, a GPS receiving module 66, an alarm module 67 of type DS7457, a storage module 68(SRAM), a liquid crystal display module 70 of type LCE1602 and a micro lithium battery 59 are installed inside the receiving device 6, the input end of the control chip 64 is electrically connected to the wireless receiving module 65, and outputs a received signal to the liquid crystal display module 70 of type LCE1602, and the received signal is output to the liquid crystal display 61 by the liquid crystal display module 70 of type LCE1602 for display, and when the value of the sensing signal is greater than the storage standard sensing data inside the storage module, the alarm module 67 is electrically connected to the alarm horn 62. The portable receiving device 6 is provided with a charging port 71 at the lower left corner of the back surface, and the charging port is electrically connected with the micro lithium battery 69.
In the above, the wireless sending and receiving module type number MD149 supports 3G, 4G, and 2G networks of china telecom and china unicom. The alarm module adopts an ISD1760 chip.
The power switch cabinet with the alarm function has the working principle that as the installation frame is fixed on the power switch cabinet, the control device is installed in the installation frame, the USB sockets are respectively arranged on the left side and the right side of the control device and correspond to the threading ports on the left side and the right side of the installation frame, when the control device is transversely installed in the installation frame, the hinged frame covers the lapping plate, as the installation part is arranged on the power switch cabinet, the temperature, humidity, smoke and fluorescence oxygen sensors are respectively installed in the installation part, as the USB interfaces are installed on the sensors, the sensors are inserted into the USB sockets, the signal conditioning module, the signal amplification module and the analog-to-digital conversion module are installed in the control device, the sensor signals are output to the signal conditioning module for impurity removal and filtration, and after the filtered signals are amplified by the signal amplification module, the analog signals are converted into digital signals by the analog-to-digital conversion module, the wireless receiving module in the receiving device receives the sensing signal and displays the sensing signal on the liquid crystal display screen through the liquid crystal display module, and when the displayed value is larger than the value stored in the storage module, the alarming horn gives an alarm.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A power switch cabinet with an alarm function comprises a power switch cabinet, wherein a cabinet door is hinged to the front face of the power switch cabinet; the method is characterized in that: the power switch cabinet is characterized by further comprising a portable receiving device, wherein a mounting frame is fixed on the top surface of the power switch cabinet, a protective cover is hinged to the top surface of the mounting frame, a butt strap is arranged at the front end inside the mounting frame, when the protective cover covers the mounting frame, the protective cover is lapped on the butt strap, threading ports are arranged on the left side and the right side of the mounting frame, a control device is arranged inside the mounting frame, USB (universal serial bus) sockets for connecting sensors are arranged on the left side and the right side of the control device, a display screen is arranged on the front side of the control device, and a transparent plate is embedded in the front side of;
the power switch cabinet is also provided with four installation parts extending to the inside of the power switch cabinet and provided with probe holes at the bottom surface, wherein sensors are respectively installed on the four installation parts, the sensors are a temperature sensor with the model of PT100, a humidity sensor with the model of LM-410, a smoke sensor with the model of JTY-GD-S836 and a fluorescence oxygen sensor with the model of LOX-02 from left to right;
a singlechip with the model of AT91SAM7S256, a signal conditioning module with the model of ADAM-3000, a signal amplifying module with the model of LM358, an analog-to-digital conversion module with the model of A1S68AD, a wireless transmitting module, a display module with the model of TM12232A-1 and a lithium battery module are arranged in the control device;
the signal conditioning module with the model of ADAM-3000, the signal amplifying module with the model of LM358 and the analog-to-digital conversion module with the model of A1S68AD are arranged one by one aiming AT corresponding sensors, the input end of the signal conditioning module is electrically connected with a USB socket, then the sensors are electrically connected, the conditioned signals are output to the input end of the signal amplifying module after being subjected to impurity removal, the conditioned sensing signals are amplified by the signal amplifying module and then output to the input end of the analog-to-digital conversion module, the analog-to-digital conversion module converts the analog signals into digital signals and inputs the digital signals to the singlechip control with the model of AT91SAM7S256, the singlechip with the model of AT91SAM7S256 is respectively output to the display module with the model of TM12232A-1, the wireless transmitting module and the GPS positioning module, the analog signals are output to the display screen through the display module with the model of TM12232A-1, sensing numbers are displayed on the display screen, and the sensing signals are wirelessly, also transmitting the orientation of the power switch cabinet to a receiving device;
the portable receiving device receives a sensing signal and a positioning signal in the power switch cabinet sent by the wireless sending module, a liquid crystal display screen and an alarm loudspeaker are installed on the front face of the portable receiving device, and a switch button is installed on the lower right corner of the receiving device;
a control chip with the model CY8C 243354, a wireless receiving module, an alarm module with the model DS7457, a storage module, a liquid crystal display module with the model LCE1602 and a micro lithium battery are arranged in the portable receiving device;
wireless receiving module and GPS receive orientation module are connected to control chip input electricity, and are the liquid crystal display module of LCE1602 with the signal output who receives to the model, and export the liquid crystal display module that is LCE1602 by the model and show to liquid crystal display, when the numerical value of sensing signal is greater than the inside memory data of memory module, report to the police by alarm module electricity connection warning loudspeaker, shift knob electricity connection control chip and lithium micro battery respectively.
2. The power switchgear with alarm function according to claim 1, wherein: the temperature sensor with the model of PT100, the humidity sensor with the model of LM-410, the smoke sensor with the model of JTY-GD-S836 and the fluorescent oxygen sensor with the model of LOX-02 are respectively provided with connecting wires, and USB sockets are arranged on the connecting wires and are respectively inserted into corresponding USB interfaces to form electric connection.
3. The power switchgear with alarm function according to claim 1, wherein: and a charging hole is arranged on the back of the control device and electrically connected with the lithium battery.
4. The power switchgear with alarm function according to claim 1, wherein: the signal conditioning module, the signal amplifying module and the analog-to-digital conversion module are respectively provided with four modules.
5. The power switchgear with alarm function according to claim 1, wherein: the portable receiving device is characterized in that a thumb ring is arranged on the left side of the portable receiving device, and four finger rings are arranged on the right side of the portable receiving device.
6. The power switchgear with alarm function according to claim 1, wherein: the portable receiving arrangement back lower left corner is equipped with one and charges the mouth, and miniature lithium cell is connected to its electricity.
7. The power switchgear with alarm function according to claim 1, wherein: the wireless sending and receiving module type uniform number MD149 supports 3G, 4G and 2G networks of China telecom and China Unicom.
8. The power switchgear with alarm function according to claim 1, wherein: the alarm module adopts an ISD1760 chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920248065.6U CN210669005U (en) | 2019-03-01 | 2019-03-01 | Power switch cabinet with alarm function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920248065.6U CN210669005U (en) | 2019-03-01 | 2019-03-01 | Power switch cabinet with alarm function |
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| CN210669005U true CN210669005U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104087A (en) * | 2020-09-30 | 2020-12-18 | 重庆旷闻科技咨询有限公司 | Urban power system monitoring devices based on big data |
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2019
- 2019-03-01 CN CN201920248065.6U patent/CN210669005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104087A (en) * | 2020-09-30 | 2020-12-18 | 重庆旷闻科技咨询有限公司 | Urban power system monitoring devices based on big data |
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