CN218101932U

CN218101932U - Take control by temperature change protection fill electric pile binding post

Info

Publication number: CN218101932U
Application number: CN202222292126.3U
Authority: CN
Inventors: 毛庭
Original assignee: Nanjing Ruifanda New Energy Technology Co ltd
Current assignee: Nanjing Ruifanda New Energy Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-20
Anticipated expiration: 2032-08-30

Abstract

The invention discloses a charging pile wiring terminal with temperature control protection, which belongs to the technical field of wiring terminals, wherein the temperature of a conductive copper seat is monitored in real time through a detection probe, the conductive copper seat is in contact with a high-heat-conductivity ceramic sleeve wrapped on the detection probe, the detection probe is protected, meanwhile, the accuracy of temperature detection on the conductive copper seat is improved, the detection probe transmits a data signal to a main control board in a microprocessor through a transmission line, a temperature sensor and a lead, the temperature of the conductive copper seat is detected in real time, if the temperature reaches a preset maximum value, the main control board reduces charging current, if the temperature exceeds the preset maximum value, charging is directly cut off, operation under the condition of safe temperature is ensured, then information obtained by the main control board is displayed through a display control module and controls an alarm to alarm, the abnormal condition of a client is informed, the client is reminded to carry out inspection by himself or a professional electrician, and therefore the potential safety hazard generated during charging is reduced.

Description

Take control by temperature change protection fill electric pile binding post

Technical Field

The invention belongs to the technical field of connecting terminals, and particularly relates to a charging pile connecting terminal with temperature control protection.

Background

At present, some customers are when installation electric automobile alternating-current charging stake, in order to practice thrift the cost, use the non-marking cable of purchasing by oneself or install from the non-national standard line of low-priced channel purchase, make and produce very big potential safety hazard in the charging process, especially at terminal row wiring department, the cable is thin leads to the resistance increase at the contact point excessively, electric automobile alternating-current charging stake is high-power load continuous operation again, the condition that binding post is burnt out takes place occasionally, therefore there is certain potential safety hazard.

In view of this, a charging pile terminal with temperature control protection is provided to solve the above problems.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects, the invention provides a charging pile wiring terminal with temperature control protection, which solves the problems that a great potential safety hazard is generated in the charging process, particularly, at the wiring position of a terminal row, the resistance at a contact point is increased due to the fact that a cable is too thin, an electric automobile alternating-current charging pile is continuously operated under a high-power load, and the wiring terminal is burnt out sometimes, so that a certain potential safety hazard exists.

The purpose of the invention is as follows: through increase temperature sensor on the binding post at the power inlet wire that fills electric pile, can detect binding post's temperature value, when binding post's temperature value reachd a definite value, the main control board has the right charging current that reduces or directly cuts off charging to ensure the safety of charging.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take electric pile binding post that fills of control by temperature change protection, includes the terminal box, set up L1 live wire wiring hole, L2 live wire wiring hole, L3 live wire wiring hole, N zero line wiring hole and PE ground wire wiring hole in the terminal box, equal joint has electrically conductive copper seat in L1 live wire wiring hole, L2 live wire wiring hole, L3 live wire wiring hole, N zero line wiring hole and the PE ground wire wiring hole, the top is equipped with two fixing bolt in the electrically conductive copper seat, fixing bolt sets up on the terminal box, all is equipped with spacing subassembly between two adjacent electrically conductive copper seats, the back of spacing subassembly is equipped with temperature sensor, temperature sensor sets up in the mounting hole seted up on the terminal box, two heat-conduction subassemblies that temperature sensor one side set up joint respectively are in two contact grooves, and two contact grooves are all seted up in one side of electrically conductive copper seat, the one end at the temperature sensor back is equipped with the wire, and the other end and the port of four wires are connected, be equipped with siren and display control module on the microprocessor, be equipped with the main control board in the microprocessor.

As a further scheme of the invention: the limiting assembly comprises a pulling plate, the back of the pulling plate is fixedly connected with two limiting columns, the limiting columns are connected in limiting holes in a sliding mode, the limiting holes are formed in the junction box, the back of the pulling plate is fixed with one end of the temperature sensor, and one end, close to the lead, of the temperature sensor is designed in a hemispherical mode.

As a further scheme of the invention: the heat conduction assembly comprises a high-heat-conductivity ceramic sleeve, the high-heat-conductivity ceramic sleeve is in lap joint with the contact groove, the high-heat-conductivity ceramic sleeve is sleeved outside the detection probe, the other end of the detection probe is connected with a transmission line, and a telescopic sleeve is arranged at the position, close to the detection probe, of the transmission line.

As a further scheme of the invention: the high-heat-conductivity ceramic sleeve is arranged in the sliding grooves, the two sliding grooves are formed in one side of the temperature sensor, sliding assemblies are arranged on the two sides of the outside of the high-heat-conductivity ceramic sleeve, and the sliding assemblies are arranged in sliding grooves formed in the sliding grooves.

As a further scheme of the invention: the sliding assembly comprises a sliding block, the sliding block is fixed with the high-heat-conductivity ceramic sleeve, the sliding block is connected in the sliding groove in a sliding mode, and one side of the sliding block is fixed with the sliding groove through a spring.

As a further scheme of the invention: the middle part in the electrically conductive copper seat is provided with an insulating spacer, and one end of the high-thermal-conductivity ceramic sleeve close to the electrically conductive copper seat is designed in a hemispherical shape.

As a further scheme of the invention: the input end of the temperature sensor is connected with the two detection probes through a transmission line, the output end of the temperature sensor is connected with a main control board in the microprocessor through a wire, and the output end of the main control board is connected with the alarm and the display control module.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, a cable is placed by arranging a conductive copper seat, a circuit can be connected after the cable is fixed by a fixing bolt, at the moment, a temperature sensor works, the temperature of the conductive copper seat is monitored in real time by a detection probe, the conductive copper seat has good heat conduction performance, the temperature sensor is in contact with a high-heat-conduction ceramic sleeve wrapped on the detection probe, the detection probe is protected, the accuracy of temperature detection on the conductive copper seat is improved, the detection probe transmits a data signal to a main control board in a microprocessor through a transmission line, the temperature sensor and a lead, the temperature of the conductive copper seat is detected in real time, if the temperature reaches a preset maximum value, a charging current is reduced by the main control board, if the temperature exceeds the preset maximum value, charging is directly cut off, operation under the condition of safe temperature is ensured, and information obtained by the main control board is displayed through a display control module and controls an alarm to inform a customer of abnormal conditions, the customer can remind the customer of himself or arrange a professional to check at home, so that potential safety hazards during charging are reduced.

2. According to the invention, the temperature sensor is inserted into the mounting hole, the corresponding two high-thermal-conductivity ceramic sleeves retract into the sliding groove, when the two high-thermal-conductivity ceramic sleeves are respectively and locally embedded into the contact grooves, the sliding blocks are supported through the elasticity of the springs, the corresponding two sliding blocks drive the detection probe and the high-thermal-conductivity ceramic sleeves to be clamped into the contact grooves, and the high-thermal-conductivity ceramic sleeves are tightly combined with the contact grooves formed in the conductive copper base, so that the temperature detection accuracy is improved.

3. According to the invention, through the two limiting columns arranged on the pull plate, after the limiting columns are clamped into the limiting holes, the effect of limiting the temperature sensor is effectively realized, the normal detection work is not influenced by the deflection angle, the pull plate is pulled when the sensor is taken out, and the high-heat-conductivity ceramic sleeve with the hemispherical design can slide from the contact groove and is separated from the contact groove under the action of certain pulling force, so that the disassembly and assembly work of the temperature sensor is convenient, the convenience is high, and the insulating isolation sheet is arranged to prevent the cable on one side from being influenced by sparks caused by the sharp rise of the temperature, so that the wiring safety is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a rear view of the junction box of the present invention;

FIG. 3 is a schematic cross-sectional view of the terminal box and the conductive copper base of the present invention;

FIG. 4 is a schematic view of the connection structure of the temperature sensor and the limiting assembly of the present invention;

FIG. 5 is a schematic structural diagram of a cross section of a temperature sensor according to the present invention;

FIG. 6 is a functional block diagram of the system of the present invention;

in the figure: 1. a junction box; 2. an L1 live wire wiring hole; 3. an L2 live wire wiring hole; 4. an L3 live wire wiring hole; 5. a N zero line wiring hole; 6. a PE ground wire wiring hole; 7. a conductive copper base; 8. fixing the bolt; 9. a limiting component; 901. pulling a plate; 902. a limiting column; 10. a temperature sensor; 11. a wire; 12. a microprocessor; 13. an alarm; 14. a display control module; 15. a limiting hole; 16. a contact groove; 17. a heat conducting component; 171. a high thermal conductivity ceramic sheath; 172. detecting a probe; 173. a telescopic sleeve; 18. a chute; 19. a sliding assembly; 191. a slider; 192. a spring; 20. an insulating spacer; 21. a sliding groove; 22. a transfer line; 23. and (7) mounting holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the present invention provides a technical solution: the utility model provides a take electric pile binding post that fills of control by temperature change protection, including terminal box 1, set up L1 live wire wiring hole 2 in the terminal box 1, L2 live wire wiring hole 3, L3 live wire wiring hole 4, N zero line wiring hole 5 and PE ground wire wiring hole 6, L1 live wire wiring hole 2, L2 live wire wiring hole 3, L3 live wire wiring hole 4, equal joint has electrically conductive copper seat 7 in N zero line wiring hole 5 and the PE ground wire wiring hole 6, the top is equipped with two fixing bolt 8 in the electrically conductive copper seat 7, fixing bolt 8 sets up on terminal box 1, all be equipped with spacing subassembly 9 between two adjacent electrically conductive copper seats 7, through setting up electrically conductive copper seat 7, electrically conductive copper seat 7 has good heat conductivility, and through the contact with the high heat conduction ceramic cover 171 of parcel on the test probe 172, be favorable to the accurate detection work of test probe 172, the back of spacing subassembly 9 is equipped with temperature sensor 10, temperature sensor 10 sets up in the mounting hole 23 of seting up on terminal box 1, two heat conduction subassemblies 17 that temperature sensor 10 one side set up respectively the joint is in two contact grooves 16, one side of 16 all sets up at the other side of electrically conductive copper seat 11 and the alarm 12, be equipped with the port 12 of alarm 12 of the one side of microprocessor 12 of the other end of microprocessor 12 of connecting wire 12 of microprocessor, be equipped with the alarm wire of microprocessor 12.

Specifically, as shown in fig. 2, fig. 3 and fig. 5, limiting assembly 9 includes a pulling plate 901, two limiting columns 902 of back fixedly connected with of pulling plate 901, limiting column 902 sliding connection is in limiting hole 15, through two limiting columns 902 that set up on pulling plate 901, after limiting column 902 card goes into limiting hole 15, effectively realize the spacing effect to temperature sensor 10, make its difficult deflection angle influence normal detection work, limiting hole 15 sets up on terminal box 1, the back of pulling plate 901 is fixed mutually with temperature sensor 10's one end, temperature sensor 10 is close to the one end of wire 11 and is the hemisphere design, heat-conducting assembly 17 includes high heat conduction ceramic cover 171, high heat conduction ceramic cover 171 and contact slot 16 overlap joint, high heat conduction ceramic cover 171 cup joints outside detection probe 172, through setting up high heat conduction ceramic cover 171, improve the accuracy of temperature detection on electrically conductive copper seat 7 when playing the guard action to detection probe 172, the other end of detection probe 172 is connected with transmission line 22, the position that transmission line 22 is close to detection probe 172 is equipped with flexible cover 173, high heat conduction ceramic cover sets up in the ceramic cover sets up in two sides that sliding groove 21, the sliding groove 21 both sides that sliding assembly 21 all set up sliding groove 19 of high heat conduction ceramic cover 21 outside sliding assembly 21 sets up sliding groove 19.

Specifically, as shown in fig. 1, 5 and 6, the sliding assembly 19 includes a sliding block 191, the sliding block 191 is fixed to the high thermal conductivity ceramic bushing 171, the sliding block 191 is slidably connected to the sliding groove 18, and by the mutual cooperation between the sliding block 191 and the sliding groove 18, the high thermal conductivity ceramic bushing 171 is effectively limited, so that the sliding block 191 is not shaken and is more stable in the sliding process, one side of the sliding block 191 is fixed to the sliding groove 18 through a spring 192, by providing the spring 192, after the high thermal conductivity ceramic bushing 171 is partially embedded into the contact groove 16, the sliding block 191 is supported through the elastic force of the spring 192, so that the two corresponding sliding blocks 191 drive the detection probe 172 and the high thermal conductivity ceramic bushing 171 to be clamped into the contact groove 16, so that the high thermal conductivity ceramic bushing 171 is tightly combined with the contact groove 16 formed on the conductive copper seat 7, thereby improving the temperature detection accuracy, the middle portion in the conductive copper seat 7 is provided with an insulating spacer 20, the insulating spacer 20 prevents the cable on one side from being suddenly increased due to the occurrence of the cable, thereby further improving the wiring safety, the display 171, the display accuracy, the display 171 is designed that one end of the conductive ceramic bushing 7 is connected to the alarm module is connected to the other side of the main control module through the hemispherical control module 10, and the main control module 14, the alarm module is designed to be connected to the main control module 13, the high thermal conductivity ceramic bushing 14, the high thermal conductivity ceramic bushing is conveniently connected to the main control module 10, the high thermal conductivity ceramic bushing 14, the main control module 13, the high thermal sensor 14, the alarm module 10, the high thermal sensor 14, and informing the client of abnormal conditions, and reminding the client to check by oneself or arranging professional electricians to go to the door.

The working principle of the invention is as follows:

when the device is used, the L1 fire wire, the L2 fire wire, the L3 fire wire, the N zero wire and the PE ground wire are respectively connected into the L1 fire wire wiring hole 2, the L2 fire wire wiring hole 3, the L3 fire wire wiring hole 4, the N zero wire wiring hole 5 and the PE ground wire wiring hole 6 and are respectively fixed through the fixing bolts 8, the temperature sensor 10 is inserted into the mounting hole 23, the two high-heat-conductivity ceramic sleeves 171 are retracted into the sliding groove 21, and after the two high-heat-conductivity ceramic sleeves 171 are respectively and partially embedded into the contact grooves 16, the sliding block 191 is supported through the elasticity of the spring 192, so that the two corresponding sliding blocks 191 drive the detection probe 172 and the high-heat-conductivity ceramic sleeves 171 to be clamped into the contact grooves 16, and the high-heat-conductivity ceramic sleeves 171 are tightly combined with the contact grooves 16 formed in the conductive copper base 7;

the main control board in the microprocessor 12 controls the wiring terminal to be powered on to work, at the moment, the temperature sensor 10 works, the temperature of the conductive copper seat 7 is monitored in real time through the detection probe 172, the conductive copper seat 7 has good heat conduction performance, and the detection probe 172 transmits a data signal to the main control board in the microprocessor 12 through the transmission line 22, the temperature sensor 10 and the wire 11 by contacting with the high heat conduction ceramic sleeve 171 wrapped on the detection probe 172, the temperature of the conductive copper seat 7 is detected in real time, if the temperature reaches a preset maximum value, the main control board reduces charging current, if the temperature exceeds the preset maximum value, the charging is directly cut off, and the operation under the condition of safe temperature is ensured;

and secondly, the information acquired by the main control board is displayed through the display control module 14 and controls the alarm 13 to alarm, so that the client is informed of abnormal conditions, and the client is reminded to check by himself or arrange a professional electrician to go to the door.

In conclusion, the following results are obtained:

lay the cable through setting up electrically conductive copper seat 7, can carry out the circuit switch-on after fixing it through fixing bolt 8, temperature sensor 10 carries out work this moment, carry out real time monitoring to the temperature of electrically conductive copper seat 7 through detecting probe 172, and electrically conductive copper seat 7 has good heat conductivility, and through the contact with the high heat conduction ceramic cover 171 of parcel on detecting probe 172, improve the accuracy of temperature detection on electrically conductive copper seat 7 when playing the guard action to detecting probe 172, detecting probe 172 passes through transmission line 22, temperature sensor 10 and wire 11 transmit data signal to the main control board in microprocessor 12, the temperature of electrically conductive copper seat 7 of real-time detection, if the temperature reaches and predetermines the maximum value, then the main control board reduces the charging current, if the temperature exceeds and predetermines the maximum value, then directly cut off the charging, ensure to operate under the safe temperature condition, then the information that the main control board obtained shows and control siren 13 and carry out alarm work through showing accuse module 14, inform the customer abnormal conditions, remind the customer by oneself or arrange the professional to go up the door and inspect, thereby reduce the potential safety hazard that appears when charging.

Through inserting temperature sensor 10 in mounting hole 23, then correspond two high heat conduction ceramic cover 171 then retract in the sliding tray 21, after two high heat conduction ceramic cover 171 are local embedding contact slot 16 respectively, then support slider 191 through the elasticity of spring 192, make and correspond two slider 191 and drive detection probe 172 and high heat conduction ceramic cover 171 card and go into in the contact slot 16, make the contact slot 16 of seting up on high heat conduction ceramic cover 171 and the electrically conductive copper seat 7 closely combine, thereby improve the temperature and detect the accuracy nature, mutually support between contact slot 16 and the high heat conduction ceramic cover 171 simultaneously, still effectively play the spacing effect of temperature sensor 10 installation, make the difficult skew position of temperature sensor 10, be favorable to the accurate detection work of temperature sensor 10.

Through two spacing posts 902 that set up on the arm-tie 901, after in spacing hole 15 is gone into to spacing post 902 card, effectively realize the spacing effect to temperature sensor 10, make it be difficult for the deflection angle influence normal detection work, then stimulate the arm-tie 901 when taking out the sensor, because the high heat conduction ceramic cover 171 of hemisphere design, make it slide and break away from contact slot 16 from high heat conduction ceramic cover 171 under the effect that receives certain pulling force, thereby be convenient for to temperature sensor 10's dismouting work, it is very convenient, and insulating barrier 20's setting prevents that the cable of one side from causing the influence because of the temperature sharply risees the mars to the opposite side cable appearing, thereby further improve wiring security.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a take electric pile binding post that fills of control by temperature change protection, includes terminal box (1), its characterized in that: an L1 live wire wiring hole (2), an L2 live wire wiring hole (3), an L3 live wire wiring hole (4), an N zero line wiring hole (5) and a PE ground wire wiring hole (6) are formed in the junction box (1), conductive copper bases (7) are clamped in the L1 live wire wiring hole (2), the L2 live wire wiring hole (3), the L3 live wire wiring hole (4), the N zero line wiring hole (5) and the PE ground wire wiring hole (6), two fixing bolts (8) are arranged at the top in each conductive copper base (7), each fixing bolt (8) is arranged on the junction box (1), a limiting component (9) is arranged between every two adjacent conductive copper bases (7), a temperature sensor (10) is arranged on the back of each limiting component (9), the temperature sensor (10) is arranged in a mounting hole (23) formed in the junction box (1), two heat conduction components (17) arranged on one side of each temperature sensor (10) are respectively clamped in two contact grooves (16), two contact grooves (16) are formed in each display groove (16), one side of each conductive copper base (7), one end of each temperature sensor (12) is connected with a temperature sensor (12), and one end of a microprocessor (12) is connected with a microprocessor module (13) and one end of a temperature sensor (12), a main control board is arranged in the microprocessor (12).

2. The charging pile wiring terminal with temperature control protection as claimed in claim 1, wherein: the limiting component (9) comprises a pulling plate (901), the back of the pulling plate (901) is fixedly connected with two limiting columns (902), the limiting columns (902) are connected in limiting holes (15) in a sliding mode, the limiting holes (15) are formed in the junction box (1), the back of the pulling plate (901) is fixed to one end of a temperature sensor (10), and one end, close to the lead (11), of the temperature sensor (10) is of a hemispherical design.

3. The charging pile wiring terminal with temperature control protection as claimed in claim 1, wherein: heat-conducting component (17) are including high heat conduction ceramic cover (171), high heat conduction ceramic cover (171) and contact groove (16) overlap joint, high heat conduction ceramic cover (171) cup joint outside detecting probe (172), the other end of detecting probe (172) is connected with transfer line (22), the position that transfer line (22) are close to detecting probe (172) is equipped with flexible cover (173).

4. The charging pile wiring terminal with temperature control protection as claimed in claim 3, wherein: the high-heat-conductivity ceramic sleeve (171) is arranged in the sliding grooves (21), the two sliding grooves (21) are arranged on one side of the temperature sensor (10), sliding assemblies (19) are arranged on the two outer sides of the high-heat-conductivity ceramic sleeve (171), and the sliding assemblies (19) are arranged in sliding grooves (18) formed in the sliding grooves (21).

5. The charging pile wiring terminal with temperature control protection as claimed in claim 4, wherein: the sliding assembly (19) comprises a sliding block (191), the sliding block (191) is fixed with the high-heat-conductivity ceramic sleeve (171), the sliding block (191) is connected into the sliding groove (18) in a sliding mode, and one side of the sliding block (191) is fixed with the sliding groove (18) through a spring (192).

6. The charging pile wiring terminal with temperature control protection as claimed in claim 3, wherein: the middle part in the electrically conductive copper seat (7) is provided with an insulating spacer (20), and one end of the high-thermal-conductivity ceramic sleeve (171) close to the electrically conductive copper seat (7) is designed in a hemispherical shape.

7. The charging pile wiring terminal with temperature control protection as claimed in claim 3, wherein: the input end of the temperature sensor (10) is connected with the two detection probes (172) through a transmission line (22), the output end of the temperature sensor (10) is connected with a main control board in the microprocessor (12) through a lead (11), and the output end of the main control board is connected with the alarm (13) and the display control module (14).