CN117200051A - Ammeter case based on overvoltage protection - Google Patents
Ammeter case based on overvoltage protection Download PDFInfo
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- CN117200051A CN117200051A CN202311163349.2A CN202311163349A CN117200051A CN 117200051 A CN117200051 A CN 117200051A CN 202311163349 A CN202311163349 A CN 202311163349A CN 117200051 A CN117200051 A CN 117200051A
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Abstract
The invention discloses an electric meter box based on overvoltage protection, which comprises an electric meter box, an insulating door, a fixed assembly, a monitoring assembly and a reaction ball, wherein a sensor module in an overvoltage interaction system mounted on a total electric meter is used for controlling a voltage sensor to monitor the voltage of a power grid in real time, once exceeding a threshold value is detected, a trigger module is used for controlling a built-in relay to rapidly cut off a power supply for overvoltage protection, meanwhile, a sensor module is used for controlling a thermocouple to monitor the temperature changes of different positions of the total electric meter and transmit data to a user terminal for facilitating early warning of a user, when the temperature rises to a dangerous level, an electromagnet mounted in a movable block is driven by an early warning control module, so that a plurality of reaction balls are piled up to be high Wen Weizhi, the fragile block is crushed and broken under compression, cooling particles and water are subjected to strong endothermic reaction, heat on the surface of the electric meter is rapidly absorbed, and the electric meter is efficiently cooled in a short time through linkage of a plurality of reaction processes, and potential safety hazards caused by overheat are effectively prevented.
Description
Technical Field
The invention relates to the technical field of ammeter boxes, in particular to an ammeter box based on overvoltage protection.
Background
The utility meter box is a protection device for electric meter, which has a wide range of application, particularly in civil field, and one household meter has been a standard configuration for each household, such as a cable branch box, a low voltage distribution box, a water pump control box, a communication device cabinet, a street lamp and traffic light control box, a multifunctional metering box, a comprehensive distribution box, a capacitance compensation box, a terminal box, a wall-hanging type distribution box, a metering box, etc., and an electric meter box based on overvoltage protection is a device implemented by applying overvoltage sensor technology, control algorithm and logic, and protection device and switching device technology, which can monitor the change of the voltage of the electric network and cut off the power supply or reduce the voltage by the protection device when the voltage exceeds the safety range, so as to protect the electric meter and other electric devices from the damage of the excessive voltage.
The ammeter is as important measuring instrument, and its operational environment often faces the risk of temperature too high, and high temperature all has adverse effect to ammeter reliability and security, and current domestic ammeter case is when total ammeter is overheated, because of user outdoor activities duty cycle time is many, is difficult to early warning the user, and can not in time take first aid measures to cool down it when reaching the temperature range of certain potential safety hazard simultaneously, leads to easily taking place the conflagration and causes the loss.
Therefore, in view of the above technical problems, it is necessary to provide an electric meter box based on overvoltage protection.
Disclosure of Invention
The invention aims to provide an electric meter box based on overvoltage protection so as to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides the following technical solution:
the utility model provides an ammeter case based on overvoltage protection, includes ammeter case, insulated gate, fixed subassembly, monitoring subassembly and reaction ball, a plurality of evenly distributed's louvres have all been seted up at ammeter case both ends, total ammeter is installed to ammeter incasement wall, and ammeter incasement wall installs radiator fan, carry on overvoltage interaction system and voltage sensor on the total ammeter, and a pair of wire is installed on total ammeter top; the insulating door is connected with the ammeter box through a hinge, and an observation window and a handle are arranged on the insulating door; the fixing component comprises a connecting block, the connecting block is fixedly connected with the outer end of the ammeter box, and the connecting block is communicated with the inner cavity of the ammeter box; the monitoring assembly comprises an annular frame, the annular frame is fixedly connected with the inner wall of the electric meter box, and the annular frame is arranged at the outer surrounding part of the total electric meter; the quantity of the reaction balls is multiple, and the reaction balls are all arranged on the annular frame.
As a further improvement of the invention, the inner wall of the connecting block is rotationally connected with a screw rod, one end of the screw rod penetrates through the connecting block and extends to one end of the outer side of the connecting block to be fixedly connected with a rotating block, a plurality of uniformly distributed threaded sleeves are sleeved outside the screw rod in a surrounding manner, one end of each threaded sleeve is fixedly connected with a fixed block, and one end of each fixed block, which is far away from the connecting block, is fixedly connected with an L-shaped plate.
As a further improvement of the invention, a plurality of uniformly distributed springs are fixedly connected at the inner end of the L-shaped plate, a protection pad is fixedly connected at one end of the plurality of springs far away from the L-shaped plate, a sub-ammeter is arranged in the middle of a pair of protection pads, and the sub-ammeter is connected with a total ammeter through a lead.
As a further improvement of the invention, the annular frame is internally surrounded with an annular groove, a plurality of uniformly distributed fixed magnets are embedded in the inner wall of the annular groove, and a plurality of uniformly distributed magnetic sliding blocks matched with the fixed magnets are connected in a sliding manner in the annular groove.
As a further improvement of the invention, one end of the magnetic sliding block, which is close to the total ammeter, is fixedly connected with a moving block, a thermocouple and an electromagnet are arranged on the moving block, and a pair of mutually symmetrical air bags are arranged on the moving block.
As a further improvement of the invention, the movable block is provided with a pair of guide grooves which are symmetrical to each other and are communicated with the air bag, the movable block is provided with an afflux groove which is communicated with a pair of afflux grooves, the bottom end of the movable block is fixedly connected with a fixed cylinder, a sealing rod is connected in the fixed cylinder in a sliding way, the fixed cylinder is communicated with the afflux groove, and the bottom end of the sealing rod is movably connected with a reaction ball.
As a further improvement of the invention, the reaction ball comprises a heat-insulating shell and an elastic heat-conducting shell, wherein the heat-insulating shell is fixedly connected with the elastic heat-conducting shell, the heat-insulating shell is arranged on the upper side of the elastic heat-conducting shell, a heat-conducting soft block is arranged on the inner wall of the heat-insulating shell, a brittle block is arranged on the inner wall of the heat-conducting soft block and the inner wall of the heat-insulating shell, a first reaction cavity and a second reaction cavity are formed in the heat-insulating shell through the brittle block and the heat-conducting soft block, cooling particles are filled in the first reaction cavity, and reaction water is filled in the second reaction cavity.
As a further improvement of the invention, one end of the heat-conducting soft block is provided with the heat-conducting film, a cavity formed by the heat-conducting soft block and the heat-conducting film is filled with heat-conducting oil, and a plurality of heat-conducting strips which are uniformly distributed are arranged on the heat-conducting soft block and penetrate through the heat-conducting soft block and extend to two sides of the heat-conducting soft block.
As a further improvement of the invention, the cooling particles are made of saltpeter particles, the brittle blocks are made of brittle materials, and the space ratio of the first reaction cavity to the second reaction cavity is set between 1:3 and 1:5.
As a further development of the invention, the overvoltage interaction system comprises:
a sensor module: the system is used for controlling the monitoring of the voltage sensor and the thermocouple to the total ammeter;
a wireless communication module: the system is used for connecting a user receiving terminal and transmitting data among all modules;
the early warning control module: the starting of the electromagnet is controlled according to the data monitored by the thermocouple;
the triggering module is used for: the circuit breaker is used for opening the circuit breaker or opening the switch according to the voltage sensor data;
cloud server module: the monitoring data are recorded by the receiving terminal for connecting the user.
Compared with the prior art, the invention has the advantages that:
according to the scheme, the voltage of the power grid is monitored in real time through the sensor module control voltage sensor in the overvoltage interaction system mounted on the total ammeter, once the power supply is rapidly cut off through the trigger module control built-in relay to conduct overvoltage protection once exceeding a threshold value is detected, meanwhile, the sensor module control thermocouple is used for monitoring the temperature change of different positions of the total ammeter, data are transmitted to a user terminal for convenience in early warning, when the temperature rises to a dangerous level, the early warning control module is used for driving the electromagnet mounted in the movable block, a plurality of reaction balls are piled up to be high Wen Weizhi, the brittle blocks are pressed and broken, cooling particles and water are subjected to strong endothermic reaction, heat on the surface of the ammeter is rapidly absorbed, and the intelligent ammeter is linked through a plurality of reaction processes, so that potential safety hazards caused by overheating of the ammeter are effectively prevented in a short time.
Drawings
FIG. 1 is a schematic diagram of an open perspective view of an electric meter box according to the present invention;
FIG. 2 is a schematic perspective view of an electricity meter box and an insulating door according to the present invention;
FIG. 3 is a schematic perspective view of a fixing assembly according to the present invention;
FIG. 4 is a schematic perspective view of a ring frame according to the present invention;
FIG. 5 is a schematic diagram of a front cross-sectional structure of a movable block according to the present invention;
FIG. 6 is a schematic diagram of the front cross-sectional structure of the reaction ball of the present invention;
FIG. 7 is a schematic diagram of an overvoltage interaction system according to the present invention.
The reference numerals in the figures illustrate:
1. an ammeter box; 2. an insulating door; 3. a fixing assembly; 4. a monitoring component; 5. a reaction ball; 11. a heat radiation hole; 12. a total electricity meter; 13. a wire; 14. dividing an ammeter; 21. an observation window; 22. a handle; 31. a connecting block; 32. a screw rod; 33. a rotating block; 34. an L-shaped plate; 35. a spring; 36. a protective pad; 41. an annular frame; 42. a magnetic slider; 43. a moving block; 44. an air bag; 45. a diversion trench; 46. merging into a groove; 47. a fixed cylinder; 48. a sealing rod; 49. an electromagnet; 51. a thermal insulation shell; 52. an elastic heat conductive shell; 53. a thermally conductive mass; 54. a brittle block; 55. cooling particles; 56. reaction water; 57. a heat conducting strip; 58. a heat conductive film; 59. and heat conducting oil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1:
referring to fig. 1-2, an electric meter box based on overvoltage protection comprises an electric meter box 1, an insulating door 2, a fixing component 3, a monitoring component 4 and a reaction ball 5, wherein a plurality of uniformly distributed heat dissipation holes 11 are formed in two ends of the electric meter box 1, a total electric meter 12 is installed on the inner wall of the electric meter box 1, a heat dissipation fan is installed on the inner wall of the electric meter box 1, an overvoltage interaction system and a voltage sensor are installed on the total electric meter 12, and a pair of wires 13 are installed at the top end of the total electric meter 12; the insulating door 2 is connected with the ammeter box 1 through a hinge, and an observation window 21 and a handle 22 are arranged on the insulating door 2; the fixing component 3 comprises a connecting block 31, the connecting block 31 is fixedly connected with the outer end of the electric meter box 1, and the connecting block 31 is communicated with the inner cavity of the electric meter box 1; the monitoring assembly 4 comprises an annular frame 41, the annular frame 41 is fixedly connected with the inner wall of the electric meter box 1, and the annular frame 41 is arranged at the outer periphery of the total electric meter 12; the number of reaction balls 5 is set to be plural, and the plural reaction balls 5 are each provided on the annular frame 41.
The utility model provides a be provided with fixed subassembly 3 on through ammeter case 1 to convenience of customers's installation and dismantlement to split ammeter 14 can dispel the heat to its inside through the radiator fan of installing on ammeter case 1, simultaneously through the excessive pressure interactive system who carries on the total ammeter 12 can be to connecting user receiving terminal, and cooperate monitoring module 4 to realize the long-range real-time temperature monitoring of user to ammeter case 1, and can remind the user when the temperature is overheated, the user can take certain measure in advance according to actual data, simultaneously in the data of monitoring reaches certain potential safety hazard temperature range, start-up through the warning control module control electro-magnet 49 in the excessive pressure interactive system, thereby through the reaction ball 5 and overheated total table case butt of installing on the monitoring module 4, realize the timely heat dissipation to total table case, thereby prevent total ammeter overheated emergence that leads to the accident to a certain extent.
Referring to fig. 3, the inner wall of the connecting block 31 is rotatably connected with a screw rod 32, one end of the screw rod 32 penetrates through the connecting block 31 and extends to one end of the outer side of the connecting block 31 to be fixedly connected with a rotating block 33, a plurality of uniformly distributed threaded sleeves are sleeved on the outer periphery of the screw rod 32, one end of each threaded sleeve is fixedly connected with a fixing block, and one end of each fixing block, far away from the connecting block 31, is fixedly connected with an L-shaped plate 34.
The inner fixedly connected with a plurality of evenly distributed springs 35 of L shaped plate 34, a plurality of springs 35 keep away from L shaped plate 34 one end fixedly connected with protection pad 36, and a pair of protection pad 36 intermediate department is provided with branch ammeter 14, and branch ammeter 14 is connected with total ammeter 12 through wire 13.
When the split ammeter 14 is disassembled, the rotating block 33 is rotated by a user, so that the screw rod 32 is synchronously driven to rotate in the connecting block 31, the threaded sleeve mounted on the outer periphery of the screw rod 32 is synchronously driven to move, two pairs of threads with opposite directions are formed on the outer periphery of the screw rod 32, the two pairs of threaded sleeves are synchronously driven to move towards one end far away from each other, the L-shaped plate 34 and the protection pad 36 are synchronously driven to move towards the opposite directions, and the split ammeter 14 is disassembled.
Referring to fig. 4-5, an annular groove is formed on the annular frame 41 in a surrounding manner, a plurality of uniformly distributed fixed magnets are embedded in the inner wall of the annular groove, and a plurality of uniformly distributed magnetic sliding blocks 42 matched with the fixed magnets are slidably connected in the annular groove.
The magnetic sliding block 42 is fixedly connected with a moving block 43 at one end close to the total ammeter 12, a thermocouple and an electromagnet 49 are arranged on the moving block 43, and a pair of mutually symmetrical air bags 44 are arranged on the moving block 43.
The movable block 43 is provided with a pair of guide grooves 45 which are symmetrical to each other and are communicated with the air bags 44, the movable block 43 is provided with an inlet groove 46 which is communicated with a pair of inlet grooves 46, the bottom end of the movable block 43 is fixedly connected with a fixed cylinder 47, a sealing rod 48 is slidably connected in the fixed cylinder 47, the fixed cylinder 47 is communicated with the inlet groove 46, and the bottom end of the sealing rod 48 is movably connected with a reaction ball 5.
The voltage data of the total ammeter 12 is monitored in real time through a voltage sensor in the sensor module, when the monitored voltage exceeds a set overvoltage threshold value, a relay installed in the total ammeter 12 is started through a trigger module, the relay is driven to be closed, the quick disconnection of a power transmission line is achieved, the relay consists of a relay chip and a magnetic contactor, detection signals are matched, even if current passes through a contactor coil, a magnetic field is generated to open or close the contactor, and overvoltage protection of the total ammeter 12 is achieved.
Through the sensor module, thereby the thermocouple of control movable block 43 upper mounting accomplishes the real-time supervision to total ammeter 12 each position temperature to thereby send data information to user terminal through wireless communication module and cloud server module, the convenience of customers can not receive regional restriction real-time understanding information, when the thermocouple monitors that somewhere on the total ammeter 12 reaches the temperature range of potential safety hazard, then through the electro-magnet 49 on the movable block 43 that starts corresponding thermocouple, thereby produce the attraction to a plurality of magnetic sliding blocks 42 around through the start-up of electro-magnet 49, make around magnetic sliding block 42 break loose with the fixed magnet's on the ring channel attraction, realize the mutual extrusion of a plurality of movable blocks 43 and be in one side of the overheated department on the total ammeter 12.
Through mutual extrusion of a plurality of movable blocks 43 to make the gasbag 44 that the movable block 43 both sides were installed extrudeed, make the air in the gasbag 44 be extruded to guiding gutter 45 in, the rethread is gathered groove 46 and is acted on the sealing rod 48 in the fixed section of thick bamboo 47, thereby make the removal that promotes sealing rod 48 and drive reaction ball 5 to the total ammeter 12 surface removal in step, realize the extrusion of a plurality of reaction balls 5 and total ammeter 12 surface temperature reach the region in the potential safety hazard temperature range, the user also can observe through the observation window 21 that sets up on the insulated gate 2 that a plurality of movable blocks 43 are connected together, thereby can know the overheated information of total ammeter 12.
Referring to fig. 6, the reaction ball 5 includes a heat-insulating shell 51 and an elastic heat-conducting shell 52, the heat-insulating shell 51 and the elastic heat-conducting shell 52 are fixedly connected, the heat-insulating shell 51 is disposed on the upper side of the elastic heat-conducting shell 52, a heat-conducting soft block 53 is mounted on the inner wall of the heat-insulating shell 51, a brittle block 54 is mounted on the inner wall of the heat-conducting soft block 53 and the heat-insulating shell 51, the heat-insulating shell 51 is formed with a first reaction cavity and a second reaction cavity through the brittle block 54 and the heat-conducting soft block 53, cooling particles 55 are filled in the first reaction cavity, and reaction water 56 is filled in the second reaction cavity.
The heat conduction membrane 58 is installed to heat conduction soft piece 53 one end, and the cavity that heat conduction soft piece 53 and heat conduction membrane 58 formed is filled with conduction oil 59, installs a plurality of evenly distributed's heat conduction strip 57 on the heat conduction soft piece 53, and heat conduction strip 57 runs through heat conduction soft piece 53 and extends to heat conduction soft piece 53 both sides, and the material of cooling granule 55 adopts the saltpeter granule, and the material of brittle block 54 adopts brittle material, and first reaction chamber and second reaction chamber space ratio scope setting is between 1:3 to 1:5.
The elastic heat conducting shell 52 on the reaction balls 5 is extruded to synchronously drive the heat conducting soft block 53 to be extruded to deform through the extrusion of the area, in which the temperature of the outer surface of the reaction balls 5 and the temperature of the outer surface of the total ammeter 12 reach the safety hazard temperature range, so that the brittle block 54 is extruded through the deformation of the heat conducting soft block 53, the brittle block 54 is broken under the action of the extrusion force, the cooling particles 55 filled in the first reaction cavity and the reaction water 56 filled in the second reaction cavity are mixed together to react, the space ratio range of the first reaction cavity and the second reaction cavity is between 1:3 and 1:5, the advantage of heat absorption of the reaction can be fully exerted when the cooling particles 55 and the reaction water 56 react, and the heat of the outer surface of the total ammeter 12 is absorbed by the heat conducting oil 59 filled in the heat conducting film 58 when the reaction balls 5 are extruded with the total ammeter 12, and the heat is transferred into the heat preserving shell 51 through the strip 57, and the heat is absorbed through the reaction of the cooling particles 55 and the reaction water 56, so that the safety hazard risk of the total ammeter 12 is prevented from being caused by the fact that the total ammeter 12 is excessively high in temperature.
The annular frame 41 and the fixed cylinder 47 and the reaction ball 5 are all of detachable design, so that subsequent replacement is facilitated, meanwhile, the vacuum area in the cavity formed by the heat conducting film 58 and the elastic heat conducting shell 52 and the heat insulating shell 51 are made of heat insulating materials, so that the external temperature of the reaction ball 5 does not influence the cooling particles 55 when the reaction ball is not extruded with the total ammeter 12, and the heat absorbing effect of the reaction of the cooling particles 55 and the brittle blocks 54 is ensured.
The overvoltage interaction system comprises:
a sensor module: for controlling the monitoring of the total electricity meter 12 by the voltage sensor and thermocouple;
a wireless communication module: the system is used for connecting a user receiving terminal and transmitting data among all modules;
the early warning control module: for controlling the actuation of the electromagnet 49 in accordance with the thermocouple monitored data;
the triggering module is used for: the circuit breaker is used for opening the circuit breaker or opening the switch according to the voltage sensor data;
cloud server module: the monitoring data are recorded by the receiving terminal for connecting the user.
Working principle:
the voltage sensor in the sensor module monitors the voltage data of the total ammeter 12 in real time, when the voltage is monitored to exceed a set overvoltage threshold value, a trigger module is used for opening a relay installed in the total ammeter 12, the relay is driven to be closed, the quick disconnection of a power transmission line is achieved, the relay consists of a relay chip and a magnetic contactor, detection signals are matched to enable current to pass through a contactor coil, a magnetic field is generated to open or close the contactor, and overvoltage protection of the total ammeter 12 is achieved.
The thermocouple arranged on the movable block 43 is controlled through the sensor module to complete real-time monitoring of the temperature of each position of the total ammeter 12, so that data information is sent to a user terminal through the wireless communication module and the cloud server module, a user can conveniently know the information in real time without being limited by regions, when the thermocouple monitors that a position of the total ammeter 12 reaches a temperature range of potential safety hazards, the electromagnet 49 on the movable block 43 corresponding to the thermocouple is started, so that attraction to a plurality of surrounding magnetic sliding blocks 42 is generated through the starting of the electromagnet 49, the surrounding magnetic sliding blocks 42 break loose the attraction of fixed magnets on the annular groove, the mutual extrusion of the plurality of movable blocks 43 is realized and the movable blocks are positioned on one side of the overheat position on the total ammeter 12, the air bags 44 arranged on two sides of the movable blocks 43 are extruded, the air in the air bags 44 is extruded into the guide grooves 45, then the sealing rod 48 in the fixed cylinder 47 is acted on by the collecting groove 46, so that the sealing rod 48 is pushed to move and synchronously drive the reaction balls 5 to move towards the outer surface of the total ammeter 12, the extrusion of the areas where the temperatures of the plurality of reaction balls 5 and the outer surface of the total ammeter 12 reach the potential safety hazard temperature range is realized, the elastic heat conducting shell 52 on the reaction balls 5 is extruded, so that the heat conducting soft block 53 is synchronously driven to be extruded and deformed, the brittle block 54 is extruded by the deformation of the heat conducting soft block 53, the brittle block 54 is crushed under the action of the extrusion force, the cooling particles 55 filled in the first reaction cavity and the reaction water 56 filled in the second reaction cavity are mixed together to react, the space ratio range of the first reaction cavity and the second reaction cavity is between 1:3 and 1:5, the advantages of heat absorption of the reaction of the cooling particles 55 and the reaction water 56 can be fully exerted, because the reaction ball 5 is extruded with the total ammeter 12, the elastic heat conducting shell 52 is deformed, so that the heat conducting oil 59 filled in the heat conducting film 58 absorbs the heat of the outer surface of the total ammeter 12, and transfers the heat into the heat insulating shell 51 through the heat conducting strip 57, and the heat is absorbed through the reaction of the cooling particles 55 and the reaction water 56, so that the cooling of the overheating area of the total ammeter 12 is achieved, and the risk of potential safety hazards caused by overhigh temperature of the total ammeter 12 is prevented.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (10)
1. Ammeter case based on overvoltage protection, its characterized in that: comprising the following steps:
the electric meter box (1), a plurality of evenly distributed radiating holes (11) are formed in two ends of the electric meter box (1), a total electric meter (12) is installed on the inner wall of the electric meter box (1), a radiating fan is installed on the inner wall of the electric meter box (1), an overvoltage interaction system and a voltage sensor are mounted on the total electric meter (12), and a pair of wires (13) are mounted on the top end of the total electric meter (12);
the electric meter box comprises an insulating door (2), wherein the insulating door (2) is connected with the electric meter box (1) through a hinge, and an observation window (21) and a handle (22) are arranged on the insulating door (2);
the fixing assembly (3), the fixing assembly (3) comprises a connecting block (31), the connecting block (31) is fixedly connected with the outer end of the electric meter box (1), and the connecting block (31) is communicated with the inner cavity of the electric meter box (1);
the monitoring assembly (4), the monitoring assembly (4) comprises an annular frame (41), the annular frame (41) is fixedly connected with the inner wall of the electric meter box (1), and the annular frame (41) is arranged at the outer periphery of the total electric meter (12);
the number of the reaction balls (5) is multiple, and the reaction balls (5) are arranged on the annular frame (41).
2. An overvoltage protection based electricity meter box according to claim 1, wherein: the utility model discloses a screw rod, including connecting block (31), screw rod (32), connecting block (31) inner wall rotation is connected with lead screw (32), one end fixedly connected with rotating block (33) of connecting block (31) outside is run through to lead screw (32) one end, the outer cover of lead screw (32) is equipped with a plurality of evenly distributed's swivel nut, swivel nut one end fixedly connected with fixed block, connecting block (31) one end fixedly connected with L shaped plate (34) are kept away from to the fixed block.
3. An overvoltage protection based electricity meter box according to claim 2, wherein: the utility model discloses a power distribution system, including L shaped plate (34), a plurality of evenly distributed spring (35) of inner fixedly connected with, a plurality of spring (35) keep away from L shaped plate (34) one end fixedly connected with protection pad (36), a pair of department is provided with branch ammeter (14) in the middle of protection pad (36), branch ammeter (14) are connected with total ammeter (12) through wire (13).
4. An overvoltage protection based electricity meter box according to claim 1, wherein: annular groove is set up in surrounding on annular frame (41), the annular groove inner wall inlays and has a plurality of evenly distributed's fixed magnet, and the annular groove sliding connection has a plurality of evenly distributed and with fixed magnet assorted magnetism slider (42).
5. An overvoltage protection based electricity meter box according to claim 4, wherein: one end of the magnetic sliding block (42) close to the total ammeter (12) is fixedly connected with a moving block (43), a thermocouple and an electromagnet (49) are arranged on the moving block (43), and a pair of mutually symmetrical air bags (44) are arranged on the moving block (43).
6. An overvoltage protection based electricity meter box according to claim 5, wherein: a pair of guide grooves (45) which are symmetrical to each other and are communicated with the air bags (44) are formed in the moving block (43), a converging groove (46) which is communicated with the pair of converging grooves (46) is formed in the moving block (43), a fixed cylinder (47) is fixedly connected to the bottom end of the moving block (43), a sealing rod (48) is slidably connected to the fixed cylinder (47), the fixed cylinder (47) is communicated with the converging groove (46), and a reaction ball (5) is movably connected to the bottom end of the sealing rod (48).
7. An overvoltage protection based electricity meter box according to claim 1, wherein: the reaction ball (5) comprises a heat preservation shell (51) and an elastic heat conduction shell (52), the heat preservation shell (51) and the elastic heat conduction shell (52) are fixedly connected, the heat preservation shell (51) is arranged on the upper side of the elastic heat conduction shell (52), a heat conduction soft block (53) is arranged on the inner wall of the heat preservation shell (51), a brittle block (54) is arranged on the inner wall of the heat conduction soft block (53) and the inner wall of the heat preservation shell (51), the heat preservation shell (51) is provided with a first reaction cavity and a second reaction cavity through the brittle block (54) and the heat conduction soft block (53), cooling particles (55) are filled in the first reaction cavity, and reaction water (56) is filled in the second reaction cavity.
8. An overvoltage protection based electricity meter box according to claim 7, wherein: the heat conduction soft block is characterized in that a heat conduction film (58) is arranged at one end of the heat conduction soft block (53), heat conduction oil (59) is filled in a cavity formed by the heat conduction soft block (53) and the heat conduction film (58), a plurality of heat conduction strips (57) which are uniformly distributed are arranged on the heat conduction soft block (53), and the heat conduction strips (57) penetrate through the heat conduction soft block (53) and extend to two sides of the heat conduction soft block (53).
9. An overvoltage protection based electricity meter box according to claim 8, wherein: the cooling particles (55) are made of saltpeter particles, the brittle blocks (54) are made of brittle materials, and the space ratio range of the first reaction cavity to the second reaction cavity is between 1:3 and 1:5.
10. An overvoltage protection based electricity meter box according to claim 1, wherein: the overvoltage interaction system comprises:
a sensor module: for controlling the monitoring of the total electricity meter (12) by the voltage sensor and the thermocouple;
a wireless communication module: the system is used for connecting a user receiving terminal and transmitting data among all modules;
the early warning control module: for controlling the actuation of the electromagnet (49) in dependence on the thermocouple monitored data;
the triggering module is used for: the circuit breaker is used for opening the circuit breaker or opening the switch according to the voltage sensor data;
cloud server module: the monitoring data are recorded by the receiving terminal for connecting the user.
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| CN117500255A (en) * | 2024-01-02 | 2024-02-02 | 深圳市特瑞华腾新能源有限公司 | DCDC conversion controller applied to power supply battery pack |
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| CN117200051B (en) | 2024-04-02 |
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