CN114552401A - Intelligent protection device and protection method for surge protection device - Google Patents

Intelligent protection device and protection method for surge protection device Download PDF

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Publication number
CN114552401A
CN114552401A CN202210070855.6A CN202210070855A CN114552401A CN 114552401 A CN114552401 A CN 114552401A CN 202210070855 A CN202210070855 A CN 202210070855A CN 114552401 A CN114552401 A CN 114552401A
Authority
CN
China
Prior art keywords
surge protector
line
module
surge
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210070855.6A
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Chinese (zh)
Inventor
李洪海
沈金仓
朱振龙
韩丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaian Baokai Electric Appliance Co ltd
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Huaian Baokai Electric Appliance Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaian Baokai Electric Appliance Co ltd filed Critical Huaian Baokai Electric Appliance Co ltd
Priority to CN202210070855.6A priority Critical patent/CN114552401A/en
Publication of CN114552401A publication Critical patent/CN114552401A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24Circuit arrangements for boards or switchyards
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • H02B1/48Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/021Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention relates to the technical field of circuit protection, and discloses an intelligent protection device and a protection method for a surge protector, which comprise a distribution box, a surge protector A, a surge protector B and a protection electric appliance, wherein a warning module is arranged in the distribution box, live wire and zero wire interfaces at the tops of the surge protector A and the surge protector B are respectively connected with an L wire and an N wire of the distribution box correspondingly, and the protected electric appliance, the surge protector A and the surge protector B are connected in parallel with the L wire and the N wire correspondingly. According to the invention, through setting the threshold values of the temperature and the times, when the temperature sensor detects that the temperature of the restraining element house in the surge protector A reaches the threshold value, the thermal release is started to complete separation, or the times of the counting module reach the threshold value, the thermal release is started to complete separation, so that the surge protector A is prevented from being burnt after being punctured, or being separated from a parallel circuit before being burnt, the loss is reduced, and meanwhile, the surge protector reaching the use times is forcibly replaced.

Description

Intelligent protection device and protection method for surge protection device
Technical Field
The invention relates to the technical field of circuit protection, in particular to an intelligent protection device and a protection method for a surge protection device.
Background
The surge protector is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided.
The invention can monitor the power frequency current/power frequency voltage state of the surge protector in real time on line through a control unit, can disconnect the surge protector from a power grid in advance or in time no matter the power grid fails or the surge protector fails due to the fault of the surge protector, can prolong the service life of the surge protector, reduce the failure rate of the surge protector, can ensure that the surge protector can be safely disconnected from the power grid when the surge protector fails, cannot generate potential safety hazards such as fire and the like, but the damage of the surge protector can reach a certain degree to form aging to cause the failure of the surge protector, simultaneously, the over-current of a restraining element of the surge protector exceeds a bearable current value due to instant occurrence, and simultaneously, the surge protector forms short-circuit current after being punctured to cause the quick heating and burning of the restraining element, even if the fuse or the circuit breaker is broken into fragments, the fuse or the circuit breaker is mostly adopted, and the fuse and the circuit breaker can still generate the problem of burning after being separated, so that the parallel circuit influences the main circuit.
Therefore, the intelligent protection device and the protection method for the surge protector are beneficial to monitoring the aging degree of the surge protector, replacing the aged surge protector in advance, and quickly separating the surge protector after the surge protector is broken down to form a broken circuit and separate from a main circuit.
Disclosure of Invention
The invention aims to provide an intelligent protection device and a protection method for a surge protection device, which solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligent protection device of surge protector, includes block terminal, surge protector A, surge protector B and protective apparatus, be provided with warning module in the block terminal, surge protector A and surge protector B top live wire and zero line interface correspond the L line and the N line of block terminal respectively and are connected, correspond L line and N line parallel access by protective apparatus, surge protector A and surge protector B, contain temperature sensor, count module and thermal release in the surge protector A, temperature sensor transmits count module, thermal release and warning module to surge protector A's high temperature signal.
As a preferred embodiment of the present invention, the temperature sensor detects that the temperature reaches a threshold value, and activates the warning module, and the number recorded by the counting module reaches the threshold value.
As a preferred embodiment of the present invention, the protected electrical appliance includes a power module, a control unit, a storage module and a signal module.
In a preferred embodiment of the present invention, the line E of the distribution box is connected in parallel with a surge protector a, a surge protector B and an electric appliance to be protected.
In a preferred embodiment of the present invention, an intelligent protection method for a surge protector utilizes an intelligent protection device for the surge protector, and the intelligent protection method for the surge protector comprises the following steps:
s1: connecting a surge protector A and a surge protector B in parallel corresponding to an L line and an N line in a distribution box, simultaneously connecting protected electric appliances in parallel into an L line loop and an N line loop, and connecting the surge protector A, the surge protector B and the protected electric appliances into an E line;
s2: under the normal working state, the surge protector A and the surge protector B are high-resistance currents which are difficult to pass through, and the protected electric appliance works normally;
s3: when lightning stroke occurs or abnormal operation causes transient voltage, the resistance values of the surge protector A and the surge protector B are suddenly changed into low values, so that the transient voltage passes through the surge protector A and the surge protector B, and the transient voltage is guided to the line E by the surge protector A and the surge protector B;
s4: temperature detection is carried out on the inner conductors of the surge protector A and the surge protector B through the inner temperature sensors of the surge protector A and the surge protector B, instantaneous pressure reduction is carried out, the temperature of the conductors is quickly increased, the temperature is reduced after the conductors pass, and the counting of times is completed through the counting module;
s5: the temperature sensor is provided with a temperature threshold, when the temperature reaches the threshold, the thermal release is started to enable the inner conductor of the surge protection device A to break away to form open circuit, meanwhile, an open circuit signal is transmitted to the warning module, and reminding is completed through the warning module.
S6: the counting module is provided with a frequency threshold, when the frequency reaches the threshold, the thermal release is started to enable the inner conductor of the surge protection device A to break away to form open circuit, meanwhile, an open circuit signal is transmitted to the warning module, and reminding is completed through the warning module.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the surge protector A and the surge protector B, the temperature monitoring of the surge protector A is completed through the temperature sensor, the temperature change of the surge protector A is counted through the counting module, the aging degree of the surge protector A is judged through the temperature change times, and the replacement of the surge protector A is completed through the warning module.
According to the invention, through the arrangement of the surge protector A, the thermal release, the temperature sensor and the counting module, through setting the threshold value for the temperature and the times, when the temperature sensor detects that the temperature of the restraining element house in the surge protector A reaches the threshold value, the thermal release is started to complete the separation, or the times of the counting module reaches the threshold value, the thermal release is started to complete the separation, so that the phenomenon that the surge protector A is burnt after being punctured or is separated from a parallel circuit before being burnt to reduce the loss is avoided, and meanwhile, the surge protector reaching the use times is forcibly replaced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an intelligent protection device of a surge protector according to the present invention;
fig. 2 is a schematic structural diagram of an intelligent protection device of a surge protector according to the present invention.
In the figure: 1. a distribution box; 2. a warning module; 3. an L line; 4. n lines; 5. e line; 6. a protected electrical appliance; 7. a power supply module; 8. a control unit; 9. a storage module; 10. a signal module; 11. a surge protector A; 12. a surge protector B; 13. a temperature sensor; 14. a counting module; 15. a thermal trip unit.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-2, the present invention provides a technical solution: an intelligent protection device and a protection method for a surge protector comprise a distribution box 1, a surge protector A11, a surge protector B12 and a protection electric appliance, wherein a warning module 2 is arranged in the distribution box 1, live wire and zero line interfaces at the tops of the surge protector A11 and the surge protector B12 are respectively connected with an L line 3 and an N line 4 of the distribution box 1, the protected electric appliance 6, the surge protector A11 and the surge protector B12 are connected in parallel with the L line 3 and the N line 4 correspondingly, the surge protector A11 internally comprises a temperature sensor 13, a counting module 14 and a thermal release 15, and the temperature sensor 13 transmits a high-temperature signal of the surge protector A11 to the counting module 14, the thermal release 15 and the warning module 2;
l line is live wire, N line is zero line, E line is grounding wire
Temperature monitoring is completed on the surge protector A11 through the temperature sensor 13, temperature change of the surge protector A11 is counted through the counting module 14, the aging degree of the surge protector A11 is judged through the temperature change frequency, the change of the surge protector A11 is completed through the warning module 2, a threshold value is set through temperature and frequency, when the temperature sensor 13 detects that the temperature of an inhibition element house in the surge protector A11 reaches the threshold value, the thermal release 15 is started to complete separation, or the frequency of the counting module 14 reaches the threshold value, the thermal release 15 is started to complete separation, the phenomenon that the surge protector A11 is burnt after being punctured is avoided, or a parallel circuit is separated before burning to reduce loss, and meanwhile, the surge protector which reaches the use frequency is forcibly replaced.
In this embodiment (please refer to fig. 2), the temperature sensor 13 detects that the temperature reaches the threshold value to start the warning module 2, and the number recorded by the counting module 14 reaches the threshold value to start the warning module 2;
the indoor monitoring of the suppression element in the surge protector A11 by the temperature sensor 13 is completed when the suppression element generates heat and the number of times of heat generation is counted by the technical module, and the warning module 2 is started when the number of times of the counting module 14 exceeds the threshold value.
In this embodiment (please refer to fig. 1), the protected electrical appliance 6 includes a power module 7, a control unit 8, a storage module, and a signal module 10;
the power supply module 7 forms a power supply for the protected electric appliance 6, the power supply module 7 can be additionally provided with circuit protection to form voltage protection, and the control unit 8 is used for controlling the storage module 9 and the signal module 10.
In this embodiment (see fig. 1), the line E5 of the distribution box 1 is respectively connected in parallel with a surge protector a11, a surge protector B12 and a protected electric appliance 6;
the surge protector A11, the surge protector B12 and the protected electric appliance 6 are connected in parallel through the distribution box 1, so that the transient current can directly enter the E line 5 to complete grounding.
The invention also discloses an intelligent protection method of the surge protector, which comprises the following steps of:
s1: connecting a surge protector A11 and a surge protector B12 in parallel corresponding to an L line 3 and an N line 4 in a distribution box 1, connecting a protected electric appliance 6 in parallel into a loop of the L line 3 and the N line 4, and connecting a surge protector A11, a surge protector B12 and the protected electric appliance 6 into an E line 5;
s2: under the normal working state, the surge protector A11 and the surge protector B12 are high-resistance currents which are difficult to pass through, and the protected electric appliance 6 works normally;
s3: when lightning stroke occurs or abnormal operation causes transient voltage, the resistance values of the surge protector A11 and the surge protector B12 are suddenly changed to be low values, so that the transient voltage passes through the surge protector A11 and the surge protector B12, and the transient voltage is guided to an E line 5 by the surge protector A11 and the surge protector B12;
s4: the temperature of the inner conductor of the surge protector A11 and the temperature sensor 13 in the surge protector B12 are detected, the temperature of the conductor is quickly increased after instantaneous pressure reduction, the temperature is decreased after instantaneous pressure reduction, and the counting of times is completed through the counting module 14;
s5: the temperature sensor 13 is provided with a temperature threshold, when the temperature reaches the threshold, the thermal release 15 is started to make the inner conductor of the surge protector A11 break away to form open circuit, meanwhile, the open circuit signal is transmitted to the warning module 2, and the warning is finished through the warning module 2.
S6: the counting module 14 is provided with a time threshold, when the time reaches the threshold, the thermal release 15 is started to make the inner conductor of the surge protector A11 break away to form open circuit, meanwhile, an open circuit signal is transmitted to the warning module 2, and reminding is completed through the warning module 2.
Detailed description of the preferred embodiment 1
Connecting a surge protector A11 and a surge protector B12 in parallel corresponding to an L line 3 and an N line 4 in a distribution box 1, connecting a protected electric appliance 6 in parallel into a loop of the L line 3 and the N line 4, and connecting a surge protector A11, a surge protector B12 and the protected electric appliance 6 into an E line 5; under normal working conditions, the surge protector a11 and the surge protector B12 are high-resistance current and are difficult to pass through, and the protected electric appliance 6 works normally.
Specific example 2
Connecting a surge protector A11 and a surge protector B12 in parallel corresponding to an L line 3 and an N line 4 in a distribution box 1, connecting a protected electric appliance 6 in parallel into a loop of the L line 3 and the N line 4, and connecting a surge protector A11, a surge protector B12 and the protected electric appliance 6 into an E line 5;
under the normal working state, the surge protector A11 and the surge protector B12 are high-resistance currents which are difficult to pass through, and the protected electric appliance 6 works normally;
when lightning stroke occurs or abnormal operation causes transient voltage, the resistance values of the surge protector A11 and the surge protector B12 are suddenly changed to be low values, so that the transient voltage passes through the surge protector A11 and the surge protector B12, and the transient voltage is guided to an E line 5 by the surge protector A11 and the surge protector B12;
the temperature of the inner conductor of the surge protector A11 and the temperature sensor 13 in the surge protector B12 are detected, the temperature of the conductor is quickly increased after instantaneous pressure reduction, the temperature is decreased after instantaneous pressure reduction, and the counting of times is completed through the counting module 14;
the aging degree of the surge protector A11 and the surge protector B12 can be judged by the rapid temperature rise times, and replacement is completed by the reminding of the warning module 2.
Specific example 3
Connecting a surge protector A11 and a surge protector B12 in parallel corresponding to an L line 3 and an N line 4 in a distribution box 1, connecting a protected electric appliance 6 in parallel into a loop of the L line 3 and the N line 4, and connecting a surge protector A11, a surge protector B12 and the protected electric appliance 6 into an E line 5;
under the normal working state, the surge protector A11 and the surge protector B12 are high-resistance currents which are difficult to pass through, and the protected electric appliance 6 works normally;
when lightning stroke occurs or abnormal operation causes transient voltage, the resistance values of the surge protector A11 and the surge protector B12 are suddenly changed to be low values, so that the transient voltage passes through the surge protector A11 and the surge protector B12, and the transient voltage is guided to an E line 5 by the surge protector A11 and the surge protector B12;
the temperature of the inner conductor of the surge protector A11 and the temperature sensor 13 in the surge protector B12 are detected, the temperature of the conductor is quickly increased after instantaneous pressure reduction, the temperature is decreased after instantaneous pressure reduction, and the counting of times is completed through the counting module 14;
the temperature sensor 13 is provided with a temperature threshold, when the temperature reaches the threshold, that is, the surge protector a11 has a breakdown risk, the thermal release 15 is started to make the inner conductor of the surge protector a11 break away to form a broken circuit, meanwhile, a broken circuit signal is transmitted to the warning module 2, and the warning is finished through the warning module 2.
The counting module 14 is provided with a time threshold, when the time reaches the threshold, that is, the aging degree of the surge protector a11 is in risk, the thermal release 15 is started to make the inner conductor of the surge protector a11 break away to form open circuit, meanwhile, the open circuit signal is transmitted to the warning module 2, and the warning is finished through the warning module 2.
When an intelligent protection device and a protection method for a surge protector are used, it should be noted that the invention relates to the intelligent protection device and the protection method for the surge protector, each component is a universal standard component or a component known by a person skilled in the art, and the structure and the principle of the intelligent protection device and the protection method are known by the person skilled in the art through technical manuals or conventional experimental methods.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an intelligent protection device of surge protector, includes block terminal (1), surge protector A (11), surge protector B (12) and protective apparatus, its characterized in that: be provided with warning module (2) in block terminal (1), surge protector A (11) and surge protector B (12) top live wire and zero line interface correspond L line (3) and N line (4) of block terminal (1) respectively and are connected, correspond L line (3) and N line (4) parallel connection by protective apparatus (6), surge protector A (11) and surge protector B (12), contain temperature sensor (13), count module (14) and thermal release (15) in surge protector A (11), temperature sensor (13) give count module (14), thermal release (15) and warning module (2) high temperature signal transmission to surge protector A (11).
2. A surge protector intelligent protection device according to claim 1, characterized in that: the temperature sensor (13) detects that the temperature reaches a threshold value and starts the warning module (2), and the number recorded by the counting module (14) reaches the threshold value and starts the warning module (2).
3. A surge protector intelligent protection device according to claim 1, characterized in that: the protected electric appliance (6) comprises a power module (7), a control unit (8), a storage module and a signal module (10).
4. A surge protector intelligent protection device according to claim 1, characterized in that: and the E line (5) of the distribution box (1) is respectively connected with a surge protector A (11), a surge protector B (12) and a protected electric appliance (6) in parallel.
5. An intelligent protection method for surge protectors, characterized in that, by using the intelligent protection device for surge protectors of any claim 1 to 4, the steps of the intelligent protection method for surge protectors are as follows:
s1: connecting a surge protector A (11) and a surge protector B (12) in parallel corresponding to an L line (3) and an N line (4) in a distribution box (1), connecting a protected electric appliance (6) in parallel into a loop of the L line (3) and the N line (4), and connecting the surge protector A (11), the surge protector B (12) and the protected electric appliance (6) into an E line (5);
s2: under the normal working state, the surge protector A (11) and the surge protector B (12) are high-resistance current and are difficult to pass through, and the protected electric appliance (6) works normally;
s3: when lightning strike occurs or abnormal operation causes transient voltage, the resistance values of the surge protector A (11) and the surge protector B (12) are suddenly changed to be low values, so that the transient voltage passes through the surge protector A (11) and the surge protector B (12), and the transient voltage is guided to the E line (5) through the surge protector A (11) and the surge protector B (12);
s4: the temperature of an inner conductor of the surge protector A (11) and the surge protector B (12) is detected by an inner temperature sensor (13), the temperature of the conductor is quickly increased after instantaneous pressure reduction, the temperature is decreased after instantaneous pressure reduction, and the frequency counting is completed by a counting module (14);
s5: temperature sensor (13) are provided with the temperature threshold, and when the temperature reached the threshold, start hot release (15) and make surge protector A (11) inner conductor break away from and form and open circuit, will break circuit signal transmission simultaneously and warn module (2) to accomplish through warning module (2) and remind.
S6: the counting module (14) is provided with a frequency threshold, when the frequency reaches the threshold, the thermal release (15) is started to enable the inner conductor of the surge protection device A (11) to be separated to form open circuit, meanwhile, an open circuit signal is transmitted to the warning module (2), and reminding is completed through the warning module (2).
CN202210070855.6A 2022-01-21 2022-01-21 Intelligent protection device and protection method for surge protection device Pending CN114552401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210070855.6A CN114552401A (en) 2022-01-21 2022-01-21 Intelligent protection device and protection method for surge protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210070855.6A CN114552401A (en) 2022-01-21 2022-01-21 Intelligent protection device and protection method for surge protection device

Publications (1)

Publication Number Publication Date
CN114552401A true CN114552401A (en) 2022-05-27

Family

ID=81672039

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210070855.6A Pending CN114552401A (en) 2022-01-21 2022-01-21 Intelligent protection device and protection method for surge protection device

Country Status (1)

Country Link
CN (1) CN114552401A (en)

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