CN110780240A - Photovoltaic module terminal box connector detection device - Google Patents
Photovoltaic module terminal box connector detection device Download PDFInfo
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- CN110780240A CN110780240A CN201911242137.7A CN201911242137A CN110780240A CN 110780240 A CN110780240 A CN 110780240A CN 201911242137 A CN201911242137 A CN 201911242137A CN 110780240 A CN110780240 A CN 110780240A
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Abstract
The invention provides a detection device for a connector of a junction box of a photovoltaic assembly, which belongs to the field of detection tools for the photovoltaic assembly and comprises a shell, an anode testing part, a cathode testing part, an anode pressure sensor, a cathode pressure sensor and an alarm module, wherein the anode testing part and the cathode testing part are respectively arranged on the shell, a first depth mark is arranged on the anode testing part, and a second depth mark is arranged on the cathode testing part; the outer diameter of the positive pressure sensor is larger than the standard inner diameter of the positive beryllium copper net, and the outer diameter of the negative pressure sensor is larger than the standard inner diameter of the negative metal core; the alarm module is arranged in the shell and is respectively in communication connection with the anode pressure sensor and the cathode pressure sensor. The photovoltaic module junction box connector detection device provided by the invention does not need a universal meter and has no direct relation with manual operation; a tensile machine is not needed, the operation is convenient, and destructive tests do not exist; visual inspection is not needed, missing detection and error detection are avoided, and the device is convenient to carry.
Description
Technical Field
The invention belongs to the technical field of photovoltaic module detection tools, and particularly relates to a photovoltaic module junction box connector detection device.
Background
The photovoltaic module junction box is a connecting device between a solar cell array formed by solar cell modules and a solar charging control device, and mainly used for connecting and protecting the solar photovoltaic modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules. The connecting part of the photovoltaic module junction box is a junction box connector, the junction box is provided with a positive terminal and a negative terminal, a connecting line is usually led out from each terminal, a connector is arranged at the connecting line and is divided into a positive connector and a negative connector, the positive connector and the negative connector can be inserted into each other, the positive connector and the negative connector are also called a male connector and a female connector, and due to the requirement of the protection grade of the connector, usually, the conducting part cannot leak outside after being connected, and the standard requirement of IP67 needs to be met. Because the tubular metal core in the positive connector and the rod-shaped metal core in the negative connector are not placed at the same position or the retaining ring fails, poor contact can be caused due to too deep placement, and thus the running device is burnt; too shallow can cause and can not install in place, influences the protection level simultaneously, has the potential safety hazard. In order to ensure the reliability of the connector connection, the positive and negative connectors are often required to be tested.
The current detection mode is generally to use a universal meter to perform resistance detection or on-off detection so as to achieve the purpose of detecting the electric connection performance; measuring the tension by using a tension machine so as to achieve the purpose of detecting the internal firmness of the connector; the tester can visually check whether the cross sections of the anode and the cathode are correct or not, so as to achieve the purpose of detecting the contact performance of the anode and the cathode. The detection mode has the following defects: 1) sampling detection is usually adopted, so that detection omission is easy; 2) the detection equipment has complex structure and high cost; 3) the detection equipment cannot judge the contact performance, and the detection of the contact performance is finished by visual inspection, because the conductive part of the connector is arranged inside the connector, the conductive part is not convenient to view, and the missed detection and the high false detection rate are caused; 4) the electrical performance can only be subjected to shaping detection, and the integrity of contact cannot be judged, the contact of the multimeter pen has certain resistance, has a certain relation with manual operation, is complex to operate and is inconvenient for full detection; 5) in tension measurement, a connecting buckle structure between the positive and negative connectors needs to be removed, so that the method belongs to destructive tests and is inconvenient to operate.
Disclosure of Invention
The invention aims to provide a detection device for a connector of a junction box of a photovoltaic module, which aims to solve the technical problems that the measurement operation of the electrical connection performance, the connection firmness performance and the contact performance of a positive electrode and a negative electrode between connectors of a positive electrode and a negative electrode is complex, the influence of human factors is more, and the measurement cost is high in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a photovoltaic module junction box connector detection device, comprising: the device comprises a shell, an anode testing part, a cathode testing part, an anode pressure sensor, a cathode pressure sensor and an alarm module;
the positive electrode test part and the negative electrode test part are respectively arranged on the shell, the positive electrode test part and the negative electrode test part are both columnar members, a first depth mark is arranged on the positive electrode test part, the distance from the first depth mark to the free end face of the positive electrode test part is equal to the standard distance from the outer end face of a positive electrode connector to the outer end face of a positive electrode beryllium copper mesh, a second depth mark is arranged on the negative electrode test part, and the distance from the second depth mark to the free end face of the negative electrode test part is equal to the standard distance from the outer end face of the negative electrode connector to the outer end face of a negative electrode metal core;
the anode pressure sensor and the cathode pressure sensor are both columnar components, the anode pressure sensor is coaxially arranged at the free end of the anode testing part, the outer diameter of the anode pressure sensor is larger than the standard inner diameter of the anode beryllium copper net, the cathode pressure sensor is coaxially arranged at the free end of the cathode testing part, and the outer diameter of the cathode pressure sensor is larger than the standard inner diameter of the cathode metal core;
the alarm module is arranged in the shell and is respectively in communication connection with the anode pressure sensor and the cathode pressure sensor;
the alarm module is used for acquiring anode pressure numerical value information of the anode pressure sensor, judging whether the anode pressure numerical value information is consistent with an anode standard pressure numerical value or not, and giving an alarm when the anode pressure numerical value information is consistent with the anode standard pressure numerical value;
the alarm module is used for acquiring the negative pressure numerical value information of the negative pressure sensor, judging whether the negative pressure numerical value information is consistent with a negative standard pressure numerical value or not, and giving an alarm when the negative pressure numerical value information is consistent with the negative standard pressure numerical value.
As another embodiment of the present application, the case is a cylindrical member, and the positive electrode test part and the negative electrode test part are respectively provided at both ends of the case.
As another embodiment of the present application, the positive electrode test part and the negative electrode test part are both disposed coaxially with the housing.
As another embodiment of this application, anodal test section with negative pole test section is the tube-shape component, and with the inner chamber intercommunication of shell, anodal pressure sensor inserts and locates in the anodal test section, just anodal pressure sensor's test end stretches out the free end of anodal test section, negative pole pressure sensor inserts and locates in the negative pole test section, just negative pole pressure sensor's test end stretches out the free end of negative pole test section.
As another embodiment of this application, anodal pressure sensor with through metal connecting strip communication connection between the alarm module, negative pole pressure sensor with through metal connecting strip communication connection between the alarm module.
As another embodiment of the application, a positive electrode limiting protrusion for abutting and limiting with an inner end face of a positive electrode pressure sensor is arranged in the positive electrode testing part, and the positive electrode pressure sensor is in communication connection with the alarm module through a lead; the negative electrode testing part is internally provided with a negative electrode limiting bulge which is used for being abutted and limited with the inner end face of the negative electrode pressure sensor, and the negative electrode pressure sensor is in communication connection with the alarm module through a lead.
As another embodiment of this application, first degree of depth mark is the annular and encircles the setting of anodal test portion outer wall, second degree of depth mark is the annular and encircles the setting of negative pole test portion outer wall.
As another embodiment of the present application, the alarm module is an audio alarm module, a lighting alarm module, or a sound and light alarm module.
As another embodiment of the present application, the housing is provided with a non-slip protrusion.
As another embodiment of the present application, a grip handle is provided on the housing.
The photovoltaic module junction box connector detection device provided by the invention has the beneficial effects that: compared with the prior art, when the photovoltaic module junction box connector detection device measures the positive connector, the positive test part is inserted from the opening of the positive connector, the positive pressure sensor is gradually inserted into the positive beryllium copper net, if the positive beryllium copper net in the positive connector is installed in place, when the outer end face of the positive connector is aligned with the first depth mark, the positive pressure sensor is also inserted into the specified position of the positive beryllium copper net, and because the outer diameter of the positive pressure sensor is larger than the inner diameter of the positive beryllium copper net, the pressure value sensed by the positive pressure sensor is the positive standard pressure value, and the alarm module gives an alarm; the testing principle of the negative electrode connector is similar to that of the positive electrode connector, if the negative electrode metal core in the negative electrode connector is installed in place, after the negative electrode connector is inserted, when the outer end face of the negative electrode connector is aligned with the second depth mark, the negative electrode pressure sensor is also inserted into the designated position of the negative electrode metal core, the outer diameter of the negative electrode pressure sensor is larger than the inner diameter of the negative electrode metal core, the pressure value sensed by the negative electrode pressure sensor is the negative electrode standard pressure value, and the alarm module gives an alarm. Through the test process, the positive beryllium copper mesh in the positive connector and the negative metal core in the negative connector are installed in place, so that the electrical performance, the connection firmness and the positive and negative contact performance of the positive connector and the negative connector after being connected with each other are qualified. The photovoltaic module junction box connector detection device provided by the invention does not need a universal meter to carry out resistance detection or on-off detection, can judge the integrity of contact, and has no direct relation with manual operation; the tension machine is not needed to measure the tension, the operation is convenient, the buckle needs to be removed, and no destructive test exists; the dual standard through degree of depth and pressure judges its positive negative pole contact performance, is convenient for watch degree of depth and pressure whether up to standard, need not the measurement personnel and through experience visual measurement, effectively avoids lou examining and the false retrieval, can avoid the later stage hidden danger because of contact failure causes, and testing cost is lower greatly, simultaneously, device portable, convenient to use is convenient for examine entirely, avoids lou examining the loss that causes.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a sectional view showing an internal structure of a positive electrode connector;
fig. 2 is a sectional view of the internal structure of the negative electrode connector;
FIG. 3 is a schematic view of the assembled structure of the positive and negative connectors;
fig. 4 is a schematic structural diagram of a detecting device for a connector of a terminal box of a photovoltaic module according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a state of use of the negative connector detected by the detecting device for the connector of the terminal box of the photovoltaic module according to the first embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a state of use of the positive connector detected by the detecting device for the connector of the terminal box of the photovoltaic module according to the first embodiment of the present invention;
fig. 7 is a cross-sectional view of an internal structure of a detecting device for a connector of a terminal box of a photovoltaic module according to an embodiment of the present invention;
fig. 8 is a sectional view of the internal structure of a photovoltaic module terminal box connector detection device according to a second embodiment of the present invention;
FIG. 9 is a block diagram of an alarm module according to a second embodiment of the present invention;
FIG. 10 is a block diagram of an alarm module according to a third embodiment of the present invention;
fig. 11 is a block diagram of an alarm module according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a housing; 2-positive electrode test part; 3-negative electrode testing part; 4-positive pressure sensor; 5-a negative pressure sensor; 6-an alarm module; 601-a data processing unit; 602-a buzzer; 603-an LED light source; 7-first depth mark; 8-positive electrode connector; 9-positive beryllium copper mesh; 10-a second depth mark; 11-a negative connector; 12-a negative metal core; 13-metal connecting strips; 14-positive limit protrusion; 15-a wire; 16-negative pole limiting bulge
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 9, the detecting device for the connector of the terminal box of the photovoltaic module according to the present invention will be described. The photovoltaic module junction box connector detection device comprises a shell 1, a positive electrode testing part 2, a negative electrode testing part 3, a positive electrode pressure sensor 4, a negative electrode pressure sensor 5 and an alarm module 6.
The anode testing part 2 and the cathode testing part 3 are respectively arranged on the shell 1, the anode testing part 2 and the cathode testing part 3 are columnar members, a first depth mark 7 is arranged on the anode testing part 2, the distance from the first depth mark 7 to the free end face of the anode testing part 2 is equal to the standard distance from the outer end face of the anode connector 8 to the outer end face of the anode beryllium copper net 9, a second depth mark 10 is arranged on the cathode testing part 3, and the distance from the second depth mark 10 to the free end face of the cathode testing part 3 is equal to the standard distance from the outer end face of the cathode connector 11 to the outer end face of the cathode metal core 12;
the positive pressure sensor 4 and the negative pressure sensor 5 are both columnar components, the positive pressure sensor 4 is coaxially arranged at the free end of the positive testing part 2, the outer diameter of the positive pressure sensor 4 is larger than the standard inner diameter of the positive beryllium copper net 9, the negative pressure sensor 5 is coaxially arranged at the free end of the negative testing part 3, and the outer diameter of the negative pressure sensor 5 is larger than the standard inner diameter of the negative metal core 12;
the alarm module 6 is arranged in the shell 1 and is respectively in communication connection with the anode pressure sensor 4 and the cathode pressure sensor 5;
the alarm module 6 is used for acquiring the anode pressure numerical value information of the anode pressure sensor 4, judging whether the anode pressure numerical value information is consistent with the anode standard pressure numerical value or not, and giving an alarm when the anode pressure numerical value information is consistent with the anode standard pressure numerical value;
the alarm module 6 is used for acquiring the negative pressure numerical value information of the negative pressure sensor 5, judging whether the negative pressure numerical value information is consistent with the negative standard pressure numerical value, and giving an alarm when the negative pressure numerical value information is consistent with the negative standard pressure numerical value.
The casing 1, the positive electrode test part 2 and the negative electrode test part 3 are all insulating members.
Compared with the prior art, when the positive connector 8 is measured, the positive testing part 2 is inserted into the opening of the positive connector 8, the positive pressure sensor 4 is gradually inserted into the positive beryllium copper net 9, if the positive beryllium copper net 9 in the positive connector 8 is installed in place, when the outer end face of the positive connector 8 is aligned with the first depth mark 7, the positive pressure sensor 4 is also inserted into the specified position of the positive beryllium copper net 9, and as the outer diameter of the positive pressure sensor 4 is larger than the inner diameter of the positive beryllium copper net 9, the pressure value sensed by the positive pressure sensor 4 is the positive standard pressure value, and the alarm module 6 gives an alarm; the principle of testing the negative connector 11 is similar to that of the positive connector 8, if the negative metal core 12 in the negative connector 11 is installed in place, after the negative metal core is inserted, when the outer end face of the negative connector 11 is aligned with the second depth mark 10, the negative pressure sensor 5 is also inserted into the specified position of the negative metal core 12, and because the outer diameter of the negative pressure sensor 5 is larger than the inner diameter of the negative metal core 12, the pressure value sensed by the negative pressure sensor 5 is the negative standard pressure value, and the alarm module 6 gives an alarm. Through the above test process, it can be determined that the positive beryllium copper mesh 9 in the positive connector 8 and the negative metal core 12 in the negative connector 11 are installed in place, and thus it can be determined that the electrical properties, the connection firmness and the positive and negative contact properties of the positive connector 8 and the negative connector 11 after being connected with each other are all qualified. The photovoltaic module junction box connector detection device provided by the invention does not need a universal meter to carry out resistance detection or on-off detection, can judge the integrity of contact, and has no direct relation with manual operation; the tension machine is not needed to measure the tension, the operation is convenient, the buckle needs to be removed, and no destructive test exists; the dual standard through degree of depth and pressure judges its positive negative pole contact performance, is convenient for watch degree of depth and pressure whether up to standard, need not the measurement personnel and through experience visual measurement, effectively avoids lou examining and the false retrieval, can avoid the later stage hidden danger because of contact failure causes, and testing cost is lower greatly, simultaneously, device portable, convenient to use is convenient for examine entirely, avoids lou examining the loss that causes.
Wherein, the length of the collecting pressure sensor 4 and the negative pressure sensor 5 may be 3mm to 7mm according to the general structure of the positive connectors 8 and the negative connectors 11. The standard pressure value of the anode and the standard pressure value of the cathode are set according to design requirements, and 4N-10N can be selected.
As a specific embodiment of the photovoltaic module junction box connector detection device provided by the invention, the photovoltaic module junction box connector detection device further comprises a positive protective cover and a negative protective cover, wherein the positive protective cover is arranged on the periphery of the positive pressure sensor 4 and is in interference fit with the positive testing part 2, and the negative protective cover is arranged on the periphery of the negative pressure sensor 5 and is in interference fit with the negative testing part 3. Under the non-use state, the protective cover can play a good protective role for the pressure sensor, and the measuring head of the pressure sensor is prevented from being damaged in the storage process; when the device is needed to be used, the anode protective cover and the cathode protective cover are respectively pulled down to carry out detection operation.
Referring to fig. 4 to 8, as an embodiment of the detecting device for the connector of the junction box of the photovoltaic module according to the present invention, the casing 1 is a cylindrical member, and the positive testing part 2 and the negative testing part 3 are respectively disposed at two ends of the casing 1. The shell 1 of tube-shape can make things convenient for the measurement personnel to grip, and 1 both ends of shell set up anodal test portion 2 and negative pole test portion 3 and make detection device overall structure compact, convenient storage, and the outward appearance is also more pleasing to the eye.
Referring to fig. 4 to 8, as an embodiment of the detecting device for the connector of the junction box of the photovoltaic module according to the present invention, the positive testing portion 2 and the negative testing portion 3 are disposed coaxially with the housing 1. The structure of coaxial setting makes shell 1, anodal test portion 2 and the manufacturing of negative pole test portion 3 simpler, and the internals assembly is more convenient.
As a specific embodiment of the detection device for the connector of the junction box of the photovoltaic module, openings respectively corresponding to the positive electrode test part 2 and the negative electrode test part 3 are arranged at two ends of the shell 1, the shell 1 is detachably connected with the positive electrode test part 2 at the openings, and the shell 1 is detachably connected with the negative electrode test part 3 at the openings. When needing to maintain, dismantle anodal test portion 2 and negative pole test portion 3, just can overhaul the component of locating the shell 1 inside to alarm module 6 etc. also can conveniently overhaul the pressure sensor who locates on anodal test portion 2 and negative pole test portion 3. The detachable connection of the housing 1 to the positive electrode testing part 2 and the negative electrode testing part 3 may be a threaded connection, for example, an internal thread is provided at the opening, and corresponding external threads are provided at the ends of the positive electrode testing part 2 and the negative electrode testing part 3, respectively.
Referring to fig. 4 to 8, as a specific embodiment of the device for detecting the connector of the junction box of the photovoltaic module provided by the present invention, the positive electrode testing portion 2 and the negative electrode testing portion 3 are both cylindrical members and are communicated with the inner cavity of the housing 1, the positive electrode pressure sensor 4 is inserted into the positive electrode testing portion 2, the testing end of the positive electrode pressure sensor 4 extends out of the free end of the positive electrode testing portion 2, the negative electrode pressure sensor 5 is inserted into the negative electrode testing portion 3, and the testing end of the negative electrode pressure sensor 5 extends out of the free end of the negative electrode testing portion 3. In positive pressure sensor 4 and negative pressure sensor 5 inserted respectively and located tubular structure, tubular structure can play the effect of fixed stay to pressure sensor for the even evil of positive pressure sensor 4 and negative pressure sensor 5 is more firm, avoids positive pressure sensor 4 and negative pressure sensor 5 to drop from anodal test part 2 and negative test part 3 at the in-process of using.
Referring to fig. 7, as a specific embodiment of the detecting device for the connector of the junction box of the photovoltaic module according to the present invention, the positive pressure sensor 4 and the alarm module 6 are connected in communication through a metal connecting strip 13, and the negative pressure sensor 5 and the alarm module 6 are connected in communication through a metal connecting strip 13. The metal connecting strip 13 has certain rigidity, can realize conductive connection, and can support the positive pressure sensor 4 and the negative pressure sensor 5 respectively to prevent the positive pressure sensor 4 and the negative pressure sensor 5 from generating axial displacement, so that the testing accuracy is influenced, and the total length of the two sensors can be determined.
Referring to fig. 8, as a specific embodiment of the device for detecting the connector of the junction box of the photovoltaic module according to the present invention, a positive electrode limiting protrusion 14 for abutting against and limiting an inner end surface of the positive electrode pressure sensor 4 is disposed in the positive electrode testing portion 2, and the positive electrode pressure sensor 4 and the alarm module 6 are connected by a wire 15 in a communication manner; the negative electrode testing part 3 is internally provided with a negative electrode limiting bulge 16 which is used for being abutted and limited with the inner end face of the negative electrode pressure sensor 5, and the negative electrode pressure sensor 5 is in communication connection with the alarm module 6 through a wire 15. The positive electrode limiting bulge 14 has a limiting effect on the positive electrode pressure sensor 4, and prevents the positive electrode pressure sensor 4 from generating relative displacement with the positive electrode testing part 2 in the plugging process; the negative electrode limit projection 16 has the same effect on the negative electrode pressure sensor 5. By adopting the structure, the alarm module 6 and the pressure sensor can be connected through a conventional lead structure, the connection structure is simpler, and the cost is lower.
Referring to fig. 4 to 6, as an embodiment of the detecting device for the connector of the terminal box of the photovoltaic module according to the present invention, the first depth mark 7 is disposed annularly around the outer wall of the positive testing portion 2, and the second depth mark 10 is disposed annularly around the outer wall of the negative testing portion 3. Because the depth marks are arranged in a surrounding mode, the depth marks can be conveniently observed from any angle, and the detection process is further simplified.
As a specific embodiment of the connector detection device for the junction box of the photovoltaic module provided by the present invention, annular grooves may be respectively formed on the outer wall of the positive electrode test part 2 and the outer wall of the negative electrode test part 3, and substances such as ink may be applied to the annular grooves to form the first depth mark 7 and the second depth mark 10, respectively. Because the printing ink is positioned in the groove, the printing ink coating can be effectively prevented from being abraded in the plugging process.
According to the specific embodiment of the photovoltaic module junction box connector detection device, the colors of the ink used by the first depth mark 7 and the second depth mark 10 are different, so that a detector is prevented from inserting a test part which does not correspond to the connector into the connector, and the detection efficiency is improved.
As a specific embodiment of the detection device for the connector of the junction box of the photovoltaic module provided by the invention, the first depth mark 7 and the second depth mark 10 can be respectively coated on the outer wall of the positive electrode test part 2 and the outer wall of the negative electrode test part 3 by adopting fluorescent materials, so that an operator can conveniently observe whether the end surface of the positive electrode connector 8 and the end surface of the negative electrode connector 11 are respectively aligned with the two depth marks under a test environment with unsatisfactory illumination intensity.
Referring to fig. 9 to 11, as a specific embodiment of the detecting device for the connector of the terminal box of the photovoltaic module according to the present invention, the alarm module 6 is a sound alarm module, a lighting alarm module or a sound and light alarm module. The alarm sent by the alarm module 6 can be sound and light, so that the sense organs of the detection personnel can be visually stimulated, and the detection personnel can conveniently sense the alarm.
Referring to fig. 9 and 11, as a specific embodiment of the device for detecting the connector of the junction box of the photovoltaic module according to the present invention, when the alarm module 6 is an audio alarm module, the alarm module 6 includes a data processing unit 601 and a buzzer 602 connected to the data processing unit 601, the issued alarm is an audio alarm, the positive pressure sensor 4 and the negative pressure sensor 5 are respectively in communication connection with the data processing unit 601, the data processing unit 601 is configured to obtain positive pressure value information of the positive pressure sensor 4, and determine whether the positive pressure value information is consistent with a positive standard pressure value, and when the positive pressure value information is consistent with the positive standard pressure value, the buzzer 602 is controlled to sound; the data processing unit 601 is further configured to obtain the negative pressure value information of the negative pressure sensor 5, determine whether the negative pressure value information is consistent with the negative standard pressure value, and control the buzzer 602 to sound when the negative pressure value information is consistent with the negative standard pressure value. A speaker opening corresponding to the buzzer 602 is provided in the housing 1, facilitating sound transmission.
Referring to fig. 10 and 11, as a specific embodiment of the device for detecting the connector of the junction box of the photovoltaic module according to the present invention, when the alarm module 6 is an illumination alarm module, the alarm module 6 includes a data processing unit 601 and an LED light source 603 connected to the data processing unit 601, the emitted alarm is a flash of light, the positive pressure sensor 4 and the negative pressure sensor 5 are respectively in communication connection with the data processing unit 601, the data processing unit 601 is configured to obtain positive pressure value information of the positive pressure sensor 4, and determine whether the positive pressure value information is consistent with a positive standard pressure value, and when the positive pressure value information is consistent with the positive standard pressure value, the LED light source 603 is controlled to flash to emit light; the data processing unit 601 is further configured to obtain the negative pressure value information of the negative pressure sensor 5, determine whether the negative pressure value information is consistent with the negative standard pressure value, and control the LED light source 603 to flash and emit light when the negative pressure value information is consistent with the negative standard pressure value. The transparent window corresponding to the LED light source is arranged on the shell, so that light rays can be conveniently transmitted out.
Referring to fig. 9 to 11, as a specific embodiment of the device for detecting a connector of a terminal box of a photovoltaic module according to the present invention, when the alarm module 6 is an audible and visual alarm module, the alarm module 6 includes a data processing unit 601, an LED light source 603 connected to the data processing unit 601, and a buzzer 602 connected to the data processing unit 601, the alarm is an audible alarm and a flashing light, and the working principle is similar to the aforementioned alarm working principle. Meanwhile, the shell 1 is provided with a loudspeaking opening and a transparent window, so that sound transmission and light transmission are facilitated.
Or, when the housing 1 is thin, sound can pass through without opening a speaker opening; when the housing 1 has a certain transparency, the light flicker can be observed without opening a transparent window.
In addition, as a specific embodiment of the detection device for the connector of the junction box of the photovoltaic module provided by the invention, the detection device for the connector of the junction box of the photovoltaic module may further include a display screen, and the display screen is disposed on the housing 1, and is in communication connection with the data processing unit 601 in the alarm module 6, and is configured to display a pressure value sensed by the current positive pressure sensor 4 or the current negative pressure sensor 5.
As a specific embodiment of the detecting device for the connector of the junction box of the photovoltaic module provided by the invention, the shell 1 is provided with an anti-skid bulge. The anti-skid bumps are punctiform bumps or stripe bumps and are arranged at the positions, with higher holding frequency, of the shell 1, so that friction force is increased, and detection personnel can conveniently insert and pull the device.
As a specific implementation manner of the photovoltaic module junction box connector detection device provided by the invention, a holding handle is arranged on the shell 1, and the holding handle is convenient for applying force and is convenient for detection personnel to insert and pull out the device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Photovoltaic module terminal box connector detection device, its characterized in that: the device comprises a shell, an anode testing part, a cathode testing part, an anode pressure sensor, a cathode pressure sensor and an alarm module;
the positive electrode test part and the negative electrode test part are respectively arranged on the shell, the positive electrode test part and the negative electrode test part are both columnar members, a first depth mark is arranged on the positive electrode test part, the distance from the first depth mark to the free end face of the positive electrode test part is equal to the standard distance from the outer end face of a positive electrode connector to the outer end face of a positive electrode beryllium copper mesh, a second depth mark is arranged on the negative electrode test part, and the distance from the second depth mark to the free end face of the negative electrode test part is equal to the standard distance from the outer end face of the negative electrode connector to the outer end face of a negative electrode metal core;
the anode pressure sensor and the cathode pressure sensor are both columnar components, the anode pressure sensor is coaxially arranged at the free end of the anode testing part, the outer diameter of the anode pressure sensor is larger than the standard inner diameter of the anode beryllium copper net, the cathode pressure sensor is coaxially arranged at the free end of the cathode testing part, and the outer diameter of the cathode pressure sensor is larger than the standard inner diameter of the cathode metal core;
the alarm module is arranged in the shell and is respectively in communication connection with the anode pressure sensor and the cathode pressure sensor;
the alarm module is used for acquiring anode pressure numerical value information of the anode pressure sensor, judging whether the anode pressure numerical value information is consistent with an anode standard pressure numerical value or not, and giving an alarm when the anode pressure numerical value information is consistent with the anode standard pressure numerical value;
the alarm module is used for acquiring the negative pressure numerical value information of the negative pressure sensor, judging whether the negative pressure numerical value information is consistent with a negative standard pressure numerical value or not, and giving an alarm when the negative pressure numerical value information is consistent with the negative standard pressure numerical value.
2. The photovoltaic module terminal block connector inspection device of claim 1, wherein: the shell is a cylindrical component, and the positive electrode testing part and the negative electrode testing part are respectively arranged at two ends of the shell.
3. The photovoltaic module terminal block connector inspection device of claim 2, wherein: the positive electrode testing part and the negative electrode testing part are coaxially arranged with the shell.
4. The photovoltaic module terminal block connector inspection device according to any one of claims 1 to 3, wherein: the positive pole test portion with negative pole test portion is the tube-shape component, and with the inner chamber intercommunication of shell, anodal pressure sensor inserts and locates in the anodal test portion, just anodal pressure sensor's test end stretches out the free end of anodal test portion, negative pole pressure sensor inserts and locates in the negative pole test portion, just negative pole pressure sensor's test end stretches out the free end of negative pole test portion.
5. The photovoltaic module terminal block connector inspection device of claim 4, wherein: the positive pressure sensor is in communication connection with the alarm module through a metal connecting strip, and the negative pressure sensor is in communication connection with the alarm module through a metal connecting strip.
6. The photovoltaic module terminal block connector inspection device of claim 4, wherein: the positive electrode testing part is internally provided with a positive electrode limiting bulge which is used for abutting and limiting with the inner end surface of the positive electrode pressure sensor, and the positive electrode pressure sensor is in communication connection with the alarm module through a lead; the negative electrode testing part is internally provided with a negative electrode limiting bulge which is used for being abutted and limited with the inner end face of the negative electrode pressure sensor, and the negative electrode pressure sensor is in communication connection with the alarm module through a lead.
7. The photovoltaic module terminal block connector inspection device of claim 1, wherein: the first depth mark is annularly surrounded on the outer wall of the positive testing part, and the second depth mark is annularly surrounded on the outer wall of the negative testing part.
8. The photovoltaic module terminal block connector inspection device of claim 1, wherein: the alarm module is a sound alarm module, a lighting alarm module or a sound-light alarm module.
9. The photovoltaic module terminal block connector inspection device of claim 1, wherein: the shell is provided with an anti-skid bulge.
10. The photovoltaic module terminal block connector inspection device of claim 1, wherein: the shell is provided with a holding handle.
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| CN201911242137.7A CN110780240A (en) | 2019-12-06 | 2019-12-06 | Photovoltaic module terminal box connector detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856754A (en) * | 2021-01-29 | 2021-05-28 | 青岛海尔空调器有限总公司 | Air conditioner and sterilization control method thereof |
| CN114577455A (en) * | 2022-03-03 | 2022-06-03 | 武汉电信器件有限公司 | Optical module unlocking function detection device and use method thereof |
| CN115356675A (en) * | 2022-07-12 | 2022-11-18 | 海南电网有限责任公司 | Electric power measurement data abnormity detection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856754A (en) * | 2021-01-29 | 2021-05-28 | 青岛海尔空调器有限总公司 | Air conditioner and sterilization control method thereof |
| CN114577455A (en) * | 2022-03-03 | 2022-06-03 | 武汉电信器件有限公司 | Optical module unlocking function detection device and use method thereof |
| CN114577455B (en) * | 2022-03-03 | 2024-02-23 | 武汉电信器件有限公司 | Optical module unlocking function detection device and application method thereof |
| CN115356675A (en) * | 2022-07-12 | 2022-11-18 | 海南电网有限责任公司 | Electric power measurement data abnormity detection system |
| CN115356675B (en) * | 2022-07-12 | 2023-08-22 | 海南电网有限责任公司 | Power metering data anomaly detection system |
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