CN102496920B - Surge protection device and method for detecting faults by using surge protection device - Google Patents
Surge protection device and method for detecting faults by using surge protection device Download PDFInfo
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- CN102496920B CN102496920B CN201110314215.7A CN201110314215A CN102496920B CN 102496920 B CN102496920 B CN 102496920B CN 201110314215 A CN201110314215 A CN 201110314215A CN 102496920 B CN102496920 B CN 102496920B
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Abstract
The invention is suitable for the field of lightening protection and provides a surge protection device and a method for detecting faults by using the surge protection device. The surge protection device comprises a surge protector, a voltage detection module, a central processing unit (CPU) processing module, a display module and a communication module. According to the surge protection device provided by the embodiment of the invention, the voltage detection module detects the voltage of the surge protector and outputs voltage data, the CPU processing module performs fault analysis processing on the voltage data and outputs fault information, and the communication module transmits the fault information to a user, so that the user can know whether the protection function of the surge protector is normal or not in time.
Description
Technical field
The invention belongs to lightning protection field, relate in particular to a kind of surge protective device and utilize surge protective device to carry out the method for fault detect.
Background technology
Fig. 1 shows the modular structure of the Surge Protector 1 that prior art provides; Surge Protector 1 comprises: the anti-overheated fuse 11 of anti-overflow fuse 10, first, first pressure-sensitive device the 12, second anti-overheated fuse 13, the second pressure-sensitive device 14, indicator light 15, indicator light protected location 16, the 3rd anti-overheated fuse 17 and the 3rd pressure-sensitive device 18; Wherein, one end of anti-overflow fuse 10 and the phase line of three-phase alternating current are connected; One end of the first anti-overheated fuse 11 is connected with the other end of anti-overflow fuse 10; One end of the first pressure-sensitive device 12 is connected with the other end of the first anti-overheated fuse 11, and the other end of the first pressure-sensitive device 12 connects the zero line of three-phase alternating current; One end of the second anti-overheated fuse 13 is connected with the other end of anti-overflow fuse 10; One end of the second pressure-sensitive device 14 is connected with the other end of the second anti-overheated fuse 13, and the other end of the second pressure-sensitive device 14 connects the zero line of three-phase alternating current; One end of indicator light 15 is connected to the zero line of three-phase alternating current; The input of indicator light protected location 16 is connected to the link that the second pressure-sensitive device 14 is connected with the second anti-overheated fuse 13, and the output of indicator light protected location 16 is connected to the other end of indicator light 15; One end of the 3rd anti-overheated fuse 17 is connected to the zero line of three-phase alternating current; One end of the 3rd pressure-sensitive device 18 is connected to the other end of the 3rd anti-overheated fuse 17, the ground wire of another termination three-phase alternating current of the 3rd pressure-sensitive device 18.
Surge Protector 1 shown in Fig. 1 adopts the mode of pressure-sensitive electric discharge to carry out surge protection, and its basic principle is: when voltage is normal, and the state of Surge Protector 1 in high impedance or shutoff discharge device; When there is surge in moment; Surge Protector 1 is reflection the conducting state in Low ESR or connection discharge device rapidly; energy is released in ground; in the scope that limiting voltage be can bear at subscriber equipment; and then revert to high impedance or off state, thereby do not affect the power supply of subscriber equipment.
Surge Protector 1 is to take different safeguard measures to carry out surge protection to subscriber equipment based on aspects such as temperature, voltage, electric currents; Surge Protector 1 carries out surge protection by indicator light protected location 16 in conjunction with indicator light 15; To thundering or responding to the heavy current impact that high-energy produces, absorb or release, thus the safe operation of other equipment on protection circuit.
Yet Surge Protector 1 belongs to protective device, for the safety of protection power consumption equipment even can be damaged Surge Protector 1 self.When Surge Protector 1 suffer lightning surge or because of long-term use can be damaged when aging; Now Surge Protector 1 has just lost defencive function, can affect the safe operation of other equipment on circuit.In the prior art, after Surge Protector 1 damages, need manually to check and could determine that Surge Protector 1 has lost defencive function; Whether normally so just cause user can not understand in time the defencive function of Surge Protector 1, thereby made the safe operation of other equipment on circuit have hidden danger.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of surge protective device; whether be normally intended to solve in prior art needs manually to check and could determine that Surge Protector has lost defencive function after Surge Protector damages, thereby cause defencive function that user can not understand Surge Protector in time problem.
The embodiment of the present invention is achieved in that a kind of surge protective device, comprises Surge Protector; Also comprise:
Voltage detection module, its input is connected with described Surge Protector, and described Surge Protector is carried out to voltage detecting output voltage data;
CPU processing module, its signal input part is connected to the output of described voltage detection module, and described voltage data is carried out to fault analysis and handling and exports fault message;
Display module, its input is connected to the signal output part of described CPU processing module, for showing the operation conditions of described Surge Protector and described CPU processing module; And
Communication module, its input is connected to the control inputs output of described CPU processing module, by described transmitting fault information to user in case user whether understand in time the defencive function of described Surge Protector normal.
Further, described Surge Protector comprises: anti-overflow fuse, and its one end is connected with the phase line of three-phase alternating current; The first anti-overheated fuse, its one end is connected with the other end of described anti-overflow fuse; The first pressure-sensitive device, its one end is connected with the other end of the described first anti-overheated fuse, and the other end of described the first pressure-sensitive device connects the zero line of three-phase alternating current; The second anti-overheated fuse, its one end is connected with the other end of described anti-overflow fuse; The second pressure-sensitive device, its one end is connected with the other end of the described second anti-overheated fuse, and the other end of described the second pressure-sensitive device connects the zero line of three-phase alternating current; Indicator light, its one end is connected to the zero line of described three-phase alternating current; Indicator light protected location, its input is connected to the link that described the second pressure-sensitive device is connected with the described second anti-overheated fuse, and output is connected to the other end of described indicator light; The 3rd anti-overheated fuse, its one end is connected to the zero line of described three-phase alternating current; The 3rd pressure-sensitive device, its one end is connected to the other end of the described the 3rd anti-overheated fuse, the ground wire of another termination three-phase alternating current of described the 3rd pressure-sensitive device.
Further, described voltage detection module comprises: the first voltage detection unit, its input is connected to the first measurement point, its output is connected to the signal input part of described CPU processing module, for detection of and export the voltage data of described the first measurement point; Described the first measurement point is the link that described anti-overflow fuse is connected with the phase line of described three-phase alternating current; Second voltage detecting unit, its input is connected to the second measurement point, its output is connected to the signal input part of described CPU processing module, for detection of and export the voltage data of described the second measurement point; Described the second measurement point is the link that described anti-overflow fuse is connected with the described second anti-overheated fuse; Tertiary voltage detecting unit, its input is connected to the 3rd measurement point, its output is connected to the signal input part of described CPU processing module, for detection of and export the voltage data of described the 3rd measurement point; Described the 3rd measurement point is the input of described indicator light protected location; The 4th voltage detection unit, its input is connected to the 4th measurement point, its output is connected to the signal input part of described CPU processing module, for detection of and export the voltage data of described the 4th measurement point; Described the 4th measurement point is the output of described indicator light protected location.
Further, described the first voltage detection unit comprises: the first partial pressure unit being connected in series successively, rectification unit, the second partial pressure unit, isolated location and conditioning unit; Described the first partial pressure unit is carried out voltage division processing by the voltage data of described the first measurement point; Described rectification unit carries out rectification processing by the output of described the first partial pressure unit; Described the second partial pressure unit is carried out voltage division processing again by the direct voltage after over commutation is processed of described rectification unit output; Described isolated location carries out photoelectricity isolation by described the second partial pressure unit output through the voltage signal after voltage division processing again; Described conditioning unit carries out the output of described isolated location to export after signal condition.
Further, described communication module is carrier communication module, optical fiber communication module or wireless communication module.
Further, described carrier communication module comprises: modem module, and its control end is connected to the control inputs output of described CPU processing module; Signal transmitter unit, its input is connected to the output of described modem module; Carrier wave coupling unit, its input is connected to the output of described signal transmitter unit, and the control end of described carrier wave coupling unit connects power line; And signal receiving unit, its input is connected to the output of described carrier wave coupling unit, and the output of described signal receiving unit is connected to the input of described modem module; Wherein, described modem module receives the fault message of described CPU processing module output, and described signal transmitter unit is coupled to power line by the described fault message of processing through described modem module by described carrier wave coupling unit; Described carrier wave coupling unit receives the feedback information of described power line and by described signal receiving unit, described feedback information is fed back to described modem module, and described modem module is communicated by letter with described CPU processing module again.
Further, described surge protective device also comprises: be connected to the power module of described CPU processing module and described display module power supply with described CPU processing module, described power module is battery.
The object of the embodiment of the present invention is also to provide a kind of method of utilizing above-mentioned surge protective device to carry out fault detect, comprises the steps:
Voltage detection module is carried out voltage detecting output voltage data to described Surge Protector;
CPU processing module is carried out described voltage data fault analysis and handling and exports fault message;
Communication module is exported to user by described fault message so that whether the defencive function of the described Surge Protector of the timely understanding of user is normal.
Further, the step that described voltage detection module is carried out voltage detecting output voltage data to described Surge Protector specifically comprises: the first voltage detection unit in described voltage detection module detects and export the first voltage of the first measurement point of described Surge Protector; Described the first measurement point is the link that in described Surge Protector, anti-overflow fuse is connected with the phase line of three-phase alternating current; Second voltage detecting unit in described voltage detection module detects and exports the second voltage of the second measurement point of described Surge Protector; Described the second measurement point is the link that in described Surge Protector, anti-overflow fuse is connected with the second anti-overheated fuse; Tertiary voltage detecting unit in described voltage detection module detects and exports the tertiary voltage of the 3rd measurement point of described Surge Protector; Described the 3rd measurement point is the input of indicator light protected location in described Surge Protector; The 4th voltage detection unit in described voltage detection module detects and exports the 4th voltage of the 4th measurement point of described Surge Protector; Described the 4th measurement point is the output of indicator light protected location in described Surge Protector.
Further, the step that described CPU processing module is carried out fault analysis and handling by described voltage data and exported fault message specifically comprises: described the first voltage, described second voltage, described tertiary voltage are compared with the first threshold voltage of setting respectively, the Second Threshold voltage of described the 4th voltage and setting is compared; When described the first voltage is greater than described first threshold voltage, described second voltage is less than or equal to described first threshold voltage, described tertiary voltage is less than or equal to described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, the information of described CPU processing module output anti-overflow blown fuse; When described the first voltage is greater than described first threshold voltage, described second voltage is greater than described first threshold voltage, described tertiary voltage is less than or equal to described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, described CPU processing module output surge protection actuator temperature surpasses the information of limiting temperature; When described the first voltage is greater than described first threshold voltage, described second voltage is greater than described first threshold voltage, described tertiary voltage is greater than described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, the information that described CPU processing module output pressure-sensitive device breaks down.
In embodiments of the present invention, surge protective device carries out voltage detecting output voltage data by voltage detection module to Surge Protector; CPU processing module carries out voltage data to export fault message after fault analysis and handling; Communication module by transmitting fault information to user in case user whether understand in time the defencive function of Surge Protector normal.
Accompanying drawing explanation
Fig. 1 is the modular structure figure of the Surge Protector that provides of prior art;
Fig. 2 is the modular structure figure of the surge protective device that provides of the embodiment of the present invention;
Fig. 3 is the structural representation of voltage detection module in the surge protective device that provides of the embodiment of the present invention;
Fig. 4 is the structure chart of the first voltage detection unit in the voltage detection module that provides of the embodiment of the present invention;
Fig. 5 is the structure chart of the communication module that provides of the embodiment of the present invention;
Fig. 6 is that the surge protective device that utilizes that the embodiment of the present invention provides carries out the flow chart of the method for fault detect.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 2 is the modular structure figure of the surge protective device that provides of the embodiment of the present invention; For convenience of explanation, only show the part relevant to the embodiment of the present invention, details are as follows:
The surge protective device that the embodiment of the present invention provides comprises: Surge Protector 1, CPU processing module 2, voltage detection module 3, communication module 5 and display module 6; Wherein, the input of voltage detection module 3 is connected with Surge Protector 1, and Surge Protector 1 is carried out to voltage detecting output voltage data; The signal input part of CPU processing module 2 is connected to the output of voltage detection module 3, and the voltage data of voltage detection module 3 outputs is carried out to fault analysis and handling and exports fault message; The input of display module 6 is connected to the signal output part of CPU processing module 2, and display module 6 is for showing the operation conditions of Surge Protector 1 and CPU processing module 2; Wherein, operation conditions mainly comprises the information such as voltage status, communications status and failure condition; The input of communication module 5 is connected to the control inputs output of CPU processing module 2, communication module 5 by the transmitting fault information of CPU processing module 2 output to user in case user whether understand in time the defencive function of Surge Protector 1 normal; Wherein, the control inputs output of CPU processing module 2 is the ports that carry out two-way communication with communication module 5, is the output to communication module 5 output communication information, is again the input of received communication module 5 feedback informations; And this two-way communication ports is the port different from the signal output part being connected with display module 6.The operation conditions of this real-time detection Surge Protector 1 self surge protective device of finding in time faults itself can effectively solve user to the surge protective device unwitting problem of whether normally moving and play a protective role.
In embodiments of the present invention, thus Surge Protector 1 is by absorbing the safety that realizes the power consumption equipment on protection power line to surging signal; This Surge Protector 1 is the Surge Protector 1 described in prior art, in order to save space, does not repeat them here.
In embodiments of the present invention, voltage detection module 3 is mainly the voltage in line voltage distribution and Surge Protector 1 is isolated and be converted to the convertible voltage of CPU processing module 2; Fig. 3 shows the structure of voltage detection module 3; Voltage detection module 3 comprises: the first voltage detection unit 31, second voltage detecting unit 32, tertiary voltage detecting unit 33 and the 4th voltage detection unit 34; Wherein the input of the first voltage detection unit 31 is connected to the link that anti-overflow fuse 10 is connected with the phase line of three-phase alternating current, the output of the first voltage detection unit 31 is connected to the signal input part of CPU processing module 2, for detection of the voltage data of the first measurement point A; The input of second voltage detecting unit 32 is connected to the link that anti-overflow fuse 10 is connected with the second anti-overheated fuse 13, the output of second voltage detecting unit 32 is connected to the signal input part of CPU processing module 2, for detection of the voltage data of the second measurement point B; The input of tertiary voltage detecting unit 33 is connected to the input of indicator light protected location 16, and the output of tertiary voltage detecting unit 33 is connected to the signal input part of CPU processing module 2, for detection of the voltage data of the 3rd measurement point C; The input of the 4th voltage detection unit 34 is connected to the output of indicator light protected location 16, and the output of the 4th voltage detection unit 34 is connected to the signal input part of CPU processing module 2, for detection of the voltage data of the 4th measurement point D; In CPU processing module 2, AD converting unit is for changing the voltage data of each measurement point of the first voltage detection unit 31, second voltage detecting unit 32, tertiary voltage detecting unit 33 and the 4th voltage detection unit 34 detections respectively.
As one embodiment of the present of invention, as shown in Figure 4, the first voltage detection unit 31 comprises the modular structure of the first voltage detection unit 31: the first partial pressure unit 300 being connected in series successively, rectification unit 301, the second partial pressure unit 302, isolated location 303 and conditioning unit 304; Wherein the first partial pressure unit 300 is carried out voltage division processing by the voltage of the first measurement point A; Rectification unit 301 carries out rectification processing by the output of the first partial pressure unit 300; The second partial pressure unit 302 is carried out voltage division processing again by the d. c. voltage signal after over commutation is processed of rectification unit 301 outputs; Isolated location 303 carries out photoelectricity isolation by the second partial pressure unit 302 output through the voltage signal of voltage division processing again; Conditioning unit 304 carries out the output of isolated location 303 to export after signal condition, and the AD converting unit 20 in CPU processing module 2 carries out the output of conditioning unit 304 by CPU processing module 2, to export fault messages after conversion process.In addition, the internal module structure of second voltage detecting unit 32, tertiary voltage detecting unit 33 and the 4th voltage detection unit 34 is identical with the internal module structure of the first voltage detection unit 31, does not repeat them here.
In embodiments of the present invention, communication module 5 fault message of the control inputs output output of CPU processing module 2 is externally transferred to user by power line in case user whether understand in time the defencive function of Surge Protector 1 normal; Meanwhile, the control inputs output of CPU processing module 2 also receives corresponding feedback information by communication module 5.Communication module 5 can be carrier communication module, light communication module or wireless communication module; Fig. 5 shows the structure of carrier communication module, and carrier communication module comprises: modem module 51, signal transmitter unit 52, carrier wave coupling unit 53 and signal receiving unit 54; The control end of modem module 51 is connected to the control inputs output of CPU processing module 2, and the fault message of CPU processing module 2 outputs is carried out after modulation /demodulation is processed exporting and the feedback information receiving being fed back to CPU processing module 2; Wherein, the control end of modem module 51 is the ports that carry out two-way communication with CPU processing module 2; The input of signal transmitter unit 52 is connected to the output of modem module 51, the input of carrier wave coupling unit 53 is connected to the output of signal transmitter unit 52, the control end of carrier wave coupling unit 53 connects power line 7, wherein, the control end of carrier wave coupling unit 53 is the ports that carry out two-way communication with power line 7; The input of signal receiving unit 54 is connected to the output of carrier wave coupling unit 53, the output of signal receiving unit 54 is connected to modem module 51, by modem module 51, signal is carried out to coded modulation, by signal transmitter unit 52, be transmitted into carrier wave coupling unit 53 again, finally by carrier wave coupling unit 53, be coupled on power line 7 and carry out the mutual of information with the terminal that monitors surge protective device; Modem module 51 receives the fault message of CPU processing module 2 outputs, signal transmitter unit 52 is coupled to the fault message of processing through modem module 51 power line 7 and is transferred to user by carrier wave coupling unit 53, and whether the defencive function that user can understand Surge Protector 1 thus is in time normal; Then, carrier wave coupling unit 53 receives the feedback information of power line 7 and by signal receiving unit 54, feedback information is fed back to modem module 51, and modem module 51 is communicated by letter with CPU processing module 2 again.
In embodiments of the present invention, display module 6 can be liquid crystal display; The operation conditions that can directly show Surge Protector 1 and CPU processing module 2 by liquid crystal display.
In embodiments of the present invention, surge protective device also comprises power module 4, and power module 4 is connected with the power end of CPU processing module 2; Power module 4 can be battery, and battery is for powering to CPU processing module 2 and display module 6.
Surge protective device for the further description embodiment of the present invention provides, describes its operation principle in detail in conjunction with Fig. 3 as follows now:
The front end of the surge protective device that the embodiment of the present invention provides is added with fuse, when lightning surge occurs and Surge Protector 1 while having to self damage, by voltage detection module 3, carry out the measurement of self voltage in line voltage distribution and device, digital quantity is calculated and is converted in the collection of carrying out voltage by CPU processing module 2, and carries out accident analysis; If determined, Surge Protector 1 breaks down, and can by communication module 5, fault message be given to user's surge protective device monitoring terminal, allows user find that in time surge protective device damages, changes.Wherein, anti-overflow fuse 10 can adopt the fusible safe silk of large electric current, and when exceeding the large electric current earial drainage of Surge Protector 1 protection range, anti-overflow fuse 10 fuses in time, and the accidents such as blast on fire do not appear in protection Surge Protector 1.First anti-overheated fuse the 11, second anti-overheated fuse 13 or the 3rd anti-overheated fuse 17 can be resettable fuse; when Surge Protector 1 causes excess Temperature because of large electric current earial drainage; can cut off, prevent because of overheated cause the damage of other devices or Surge Protector 1 on fire.The first pressure-sensitive device 12, the second pressure-sensitive device 14 or the 3rd pressure-sensitive device 18 adopt the rapid reaction member of surge; when there is surge in moment; protection device reflects rapidly; and the conducting state in low-resistance Chinese People's Anti-Japanese Military and Political College leakage current; energy is released in ground; in the scope that limiting voltage be can bear at subscriber equipment, and then revert to high resistance state, thereby do not affect the power supply of subscriber equipment.Indicator light 15 is used to indicate the running status of Surge Protector 1, and when fuse disconnects, indicator light 15 extinguishes, and indication Surge Protector 1 self breaks down; When the running status of Surge Protector 1 in surge free normal wait, indicator light 15 is normally bright, and the state of indication Surge Protector 1 is normal.Normally whether surge protective device operation; can check by the mode of liquid crystal display; particularly, the content of liquid crystal display mainly comprises: whether the energy of the voltage demonstration of three-phase, the demonstration of three-phase operation state, fault demonstration, internal battery shows and show normally with the communications status of monitoring terminal.In addition, when surge protective device is safeguarded, the measurement of self and Presentation Function can show the running status of surge protective device in real time.
The embodiment of the present invention provides utilize above-mentioned surge protective device carry out fault detect method flow chart as shown in Figure 6, specifically comprise the steps:
Step S1: 3 pairs of Surge Protectors of voltage detection module 1 carry out voltage detecting output voltage data;
Step S2:CPU processing module 2 carries out voltage data to export fault message after fault analysis and handling;
Step S3: communication module 5 fault message is exported to user in case user whether understand in time the defencive function of Surge Protector 1 normal.
As one embodiment of the present of invention, step S1 further comprises:
Step S11: the first voltage detection unit 31 in voltage detection module 3 detects and export the first voltage U 0 of the first measurement point A of Surge Protector 1; The first measurement point A is the link that in Surge Protector 1, anti-overflow fuse 10 is connected with the phase line of three-phase alternating current;
Step S12: the second voltage detecting unit 32 in voltage detection module 3 detects and export the second voltage U1 of the second measurement point B of Surge Protector 1; The second measurement point B is the link that in Surge Protector 1, anti-overflow fuse 10 is connected with the second anti-overheated fuse 13;
Step S13: the tertiary voltage detecting unit 33 in voltage detection module 3 detects and export the tertiary voltage U2 of the 3rd measurement point C of Surge Protector 1; The 3rd measurement point C is the input of indicator light protected location 16 in Surge Protector 1;
Step S14: the 4th voltage detection unit 34 in voltage detection module 3 detects and export the 4th voltage U 3 of the 4th measurement point D of Surge Protector 1; The 4th measurement point D is the output of indicator light protected location 16 in Surge Protector 1.
As one embodiment of the present of invention, step S2 specifically comprises: the first voltage U 0, second voltage U1, tertiary voltage U2 are compared with the first threshold voltage 200V setting respectively, the 4th voltage U 3 is compared with the Second Threshold voltage 10V setting; When the first voltage U 0 is greater than first threshold voltage 200V, second voltage U1 is less than or equal to first threshold voltage 200V, tertiary voltage U2 is less than or equal to first threshold voltage 200V, when the 4th voltage U 3 is more than or equal to Second Threshold voltage 10V, and the information of CPU processing module 2 output anti-overflow blown fuses; When the first voltage U 0 is greater than first threshold voltage 200V, second voltage U1 is greater than first threshold voltage 200V, tertiary voltage U2 is less than or equal to first threshold voltage 200V, when the 4th voltage U 3 is more than or equal to Second Threshold voltage 10V, CPU processing module 2 output surge protection actuator temperatures surpass the information of limiting temperature; When the first voltage U 0 is greater than first threshold voltage 200V, second voltage U1 is greater than first threshold voltage 200V, tertiary voltage U2 is greater than first threshold voltage 200V, when the 4th voltage U 3 is more than or equal to Second Threshold voltage 10V, and the information that CPU processing module output pressure-sensitive device breaks down.
For further description, in conjunction with Fig. 3, details are as follows now: voltage detection module 3 comprises the first voltage detection module 31, second voltage detection module 32, tertiary voltage detection module 33 and the 4th voltage detection module 34, the first voltage U 0 of first 31 pairs of voltage detection module the first measurement point A is measured, the second voltage U1 of 32 couples of the second measurement point B of second voltage detection module measures, the tertiary voltage U2 of 33 couples of the 3rd measurement point C of tertiary voltage detection module measures, the 4th voltage U 3 of 34 couples of the 4th measurement point D of the 4th voltage detection module is measured, the first voltage U 0 that 2 pairs of CPU processing modules collect, second voltage U1, tertiary voltage U2 compare with the first threshold voltage 200V setting respectively, the 4th voltage U 3 is compared with Second Threshold voltage 10V, when U0 > 200V is normal, U1 > 200V is normal, U2 > 200V is normal, and U3 < 10V is normal, work as U0, U1, U2, is undesired when U3 does not meet above-mentioned condition, if the voltage U 0 of A, B, C, D four measuring point, U1, U2, U3 exist and when all normal, Surge Protector 1 this be normal operating conditions mutually, if A, B, C, the voltage U 0 of D four measuring point, U1, U2, U3 are 0 or do not exist, and are no-voltage condition, if the equal no-voltage of three-phase, the phenomenon of reaction is for having a power failure, if the voltage U 0 of A, B, C, D four measuring point, U1, U2, U3 exist, but undesired, Surge Protector 1 this break down mutually, can be to the terminal report fault message that monitors Surge Protector.As shown in Table 1 below particularly:
Table 1
The embodiment of the present invention provides utilizes above-mentioned surge protective device to carry out the method for fault detect can be in real time Surge Protector to be carried out to fault detect and in time by fault or damage information reporting to user, thereby user can change or safeguard that this surge protective device has reduced unnecessary loss to user in advance; User can directly locate the Surge Protector of damage or fault under the prerequisite of existing surge protective device monitoring terminal simultaneously, saves a large amount of repair times.
In embodiments of the present invention, surge protective device carries out voltage detecting output voltage data by voltage detection module to Surge Protector; CPU processing module carries out voltage data to export fault message after fault analysis and handling; Communication module by transmitting fault information to user in case user whether understand in time the defencive function of Surge Protector normal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a surge protective device, comprises Surge Protector; It is characterized in that, described surge protective device also comprises:
Voltage detection module, its input is connected with described Surge Protector, and described Surge Protector is carried out to voltage detecting output voltage data;
CPU processing module, its signal input part is connected to the output of described voltage detection module, and described voltage data is carried out to fault analysis and handling and exports fault message;
Display module, its input is connected to the signal output part of described CPU processing module, for showing the operation conditions of described Surge Protector and described CPU processing module; And
Communication module, its input is connected to the control inputs output of described CPU processing module, by described transmitting fault information to user in case user whether understand in time the defencive function of described Surge Protector normal;
Described Surge Protector comprises:
Anti-overflow fuse, its one end is connected with the phase line of three-phase alternating current;
The first anti-overheated fuse, its one end is connected with the other end of described anti-overflow fuse;
The first pressure-sensitive device, its one end is connected with the other end of the described first anti-overheated fuse, and the other end of described the first pressure-sensitive device connects the zero line of three-phase alternating current;
The second anti-overheated fuse, its one end is connected with the other end of described anti-overflow fuse;
The second pressure-sensitive device, its one end is connected with the other end of the described second anti-overheated fuse, and the other end of described the second pressure-sensitive device connects the zero line of three-phase alternating current;
Indicator light, its one end is connected to the zero line of described three-phase alternating current;
Indicator light protected location, its input is connected to the link that described the second pressure-sensitive device is connected with the described second anti-overheated fuse, and output is connected to the other end of described indicator light;
The 3rd anti-overheated fuse, its one end is connected to the zero line of described three-phase alternating current;
The 3rd pressure-sensitive device, its one end is connected to the other end of the described the 3rd anti-overheated fuse, the ground wire of another termination three-phase alternating current of described the 3rd pressure-sensitive device;
Described voltage detection module comprises:
The first voltage detection unit, its input is connected to the first measurement point, its output is connected to the input of described CPU processing module, for detection of and export the voltage data of described the first measurement point; Described the first measurement point is the link that described anti-overflow fuse is connected with the phase line of described three-phase alternating current;
Second voltage detecting unit, its input is connected to the second measurement point, its output is connected to the input of described CPU processing module, for detection of and export the voltage data of described the second measurement point; Described the second measurement point is the link that described anti-overflow fuse is connected with the described second anti-overheated fuse;
Tertiary voltage detecting unit, its input is connected to the 3rd measurement point, its output is connected to the input of described CPU processing module, for detection of and export the voltage data of described the 3rd measurement point; Described the 3rd measurement point is the input of described indicator light protected location;
The 4th voltage detection unit, its input is connected to the 4th measurement point, its output is connected to the input of described CPU processing module, for detection of and export the voltage data of described the 4th measurement point; Described the 4th measurement point is the output of described indicator light protected location.
2. surge protective device as claimed in claim 1, is characterized in that, described the first voltage detection unit comprises:
The first partial pressure unit being connected in series successively, rectification unit, the second partial pressure unit, isolated location and conditioning unit;
Described the first partial pressure unit is carried out voltage division processing by the voltage data of described the first measurement point;
Described rectification unit carries out rectification processing by the output of described the first partial pressure unit;
Described the second partial pressure unit is carried out voltage division processing again by the direct voltage after over commutation is processed of described rectification unit output;
Described isolated location carries out photoelectricity isolation by described the second partial pressure unit output through the voltage signal after voltage division processing again;
Described conditioning unit carries out the output of described isolated location to export after signal condition.
3. surge protective device as claimed in claim 1, is characterized in that, described communication module is optical fiber communication modules.
4. surge protective device as claimed in claim 1, is characterized in that, described communication module is wireless communication module.
5. surge protective device as claimed in claim 1, is characterized in that, described communication module is carrier communication module.
6. surge protective device as claimed in claim 5, is characterized in that, described carrier communication module comprises:
Modem module, its control end is connected to the control inputs output of described CPU processing module;
Signal transmitter unit, its input is connected to the output of described modem module;
Carrier wave coupling unit, its input is connected to the output of described signal transmitter unit, and the control end of described carrier wave coupling unit connects power line; And
Signal receiving unit, its input is connected to the output of described carrier wave coupling unit, and the output of described signal receiving unit is connected to the input of described modem module;
Wherein, described modem module receives the fault message of described CPU processing module output, and described signal transmitter unit is coupled to power line by the described fault message of processing through described modem module by described carrier wave coupling unit; Described carrier wave coupling unit receives the feedback information of described power line and by described signal receiving unit, described feedback information is fed back to described modem module, and described modem module is communicated by letter with described CPU processing module again.
7. surge protective device as claimed in claim 1, is characterized in that, described surge protective device also comprises: be connected to the power module of described CPU processing module and described display module power supply with described CPU processing module, described power module is battery.
8. the method that the surge protective device of utilization as described in claim 1-7 any one carries out fault detect, is characterized in that, described method comprises the steps:
Voltage detection module is carried out voltage detecting output voltage data to described Surge Protector;
CPU processing module is carried out described voltage data fault analysis and handling and exports fault message;
Communication module is exported to user by described fault message so that whether the defencive function of the described Surge Protector of the timely understanding of user is normal.
9. method as claimed in claim 8, is characterized in that, the step that described voltage detection module is carried out voltage detecting output voltage data to described Surge Protector specifically comprises:
The first voltage detection unit in described voltage detection module detects and exports the first voltage of the first measurement point of described Surge Protector; Described the first measurement point is the link that in described Surge Protector, anti-overflow fuse is connected with the phase line of three-phase alternating current;
Second voltage detecting unit in described voltage detection module detects and exports the second voltage of the second measurement point of described Surge Protector; Described the second measurement point is the link that in described Surge Protector, anti-overflow fuse is connected with the second anti-overheated fuse;
Tertiary voltage detecting unit in described voltage detection module detects and exports the tertiary voltage of the 3rd measurement point of described Surge Protector; Described the 3rd measurement point is the input of indicator light protected location in described Surge Protector;
The 4th voltage detection unit in described voltage detection module detects and exports the 4th voltage of the 4th measurement point of described Surge Protector; Described the 4th measurement point is the output of indicator light protected location in described Surge Protector.
10. method as claimed in claim 9, is characterized in that, the step that described CPU processing module is carried out fault analysis and handling by described voltage data and exported fault message specifically comprises:
Described the first voltage, described second voltage, described tertiary voltage are compared with the first threshold voltage of setting respectively, the Second Threshold voltage of described the 4th voltage and setting is compared;
When described the first voltage is greater than described first threshold voltage, described second voltage is less than or equal to described first threshold voltage, described tertiary voltage is less than or equal to described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, the information of described CPU processing module output anti-overflow blown fuse;
When described the first voltage is greater than described first threshold voltage, described second voltage is greater than described first threshold voltage, described tertiary voltage is less than or equal to described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, described CPU processing module output surge protection actuator temperature surpasses the information of limiting temperature;
When described the first voltage is greater than described first threshold voltage, described second voltage is greater than described first threshold voltage, described tertiary voltage is greater than described first threshold voltage, when described the 4th voltage is more than or equal to described Second Threshold voltage, the information that described CPU processing module output pressure-sensitive device breaks down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110314215.7A CN102496920B (en) | 2011-10-17 | 2011-10-17 | Surge protection device and method for detecting faults by using surge protection device |
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| CN201110314215.7A CN102496920B (en) | 2011-10-17 | 2011-10-17 | Surge protection device and method for detecting faults by using surge protection device |
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| CN102496920A CN102496920A (en) | 2012-06-13 |
| CN102496920B true CN102496920B (en) | 2014-04-23 |
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Families Citing this family (6)
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| CN103487703A (en) * | 2013-10-10 | 2014-01-01 | 邱续东 | Device and method as well as client for monitoring lightning protection box of surge protective device |
| CN104981039B (en) * | 2015-07-29 | 2017-09-12 | 南通皋鑫电子股份有限公司 | Micro-wave oven starts moment surge pulse detection means |
| CN105807153B (en) * | 2015-12-29 | 2019-04-23 | 深圳市恒毅兴实业有限公司 | Power source surge protector failure cause diagnostic method and device |
| CN107817403A (en) * | 2017-10-31 | 2018-03-20 | 惠州鼎宝金属制品有限公司 | A kind of fault detection system for oven |
| CN109270396B (en) * | 2018-11-09 | 2024-03-12 | 中电装备山东电子有限公司 | Intelligent voltage fault detection device |
| CN109921828B (en) * | 2019-01-11 | 2020-07-17 | 西安电子科技大学 | Inspection system based on narrowband low-voltage power line carrier communication |
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| CN102496920A (en) | 2012-06-13 |
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