CN118692874B

CN118692874B - High-voltage pre-charging circuit breaker with pre-charging and circuit breaking functions and manufacturing method thereof

Info

Publication number: CN118692874B
Application number: CN202411161562.4A
Authority: CN
Inventors: 潘光宇; 王欢; 管庆军; 徐健; 周晓峰
Original assignee: Ningbo Fengmei New Energy Automotive Technology Co ltd
Current assignee: Ningbo Fengmei New Energy Automotive Technology Co ltd
Priority date: 2024-08-23
Filing date: 2024-08-23
Publication date: 2024-11-26
Anticipated expiration: 2044-08-23
Also published as: CN118692874A

Abstract

The invention relates to a high-voltage pre-charging circuit breaker with pre-charging and circuit breaking functions and a manufacturing method thereof, and relates to the technical field of high-voltage pre-charging circuit breakers, wherein the high-voltage pre-charging circuit breaker comprises a relay module, a resistor module and a mounting shell, and the relay module comprises a relay body and a first connecting sheet used for being connected with the outside; the resistor module comprises a resistor piece, a first static contact piece, a second static contact piece and a second connecting piece, wherein the first static contact piece and the second connecting piece are respectively positioned at two sides of the resistor piece; the first placing groove for placing the relay module and the second placing groove for placing the power resistor are formed in the same side of the mounting shell, and the third placing groove for placing the first static contact and the second static contact is formed in the mounting shell. The invention has the effect of improving the assembly efficiency.

Description

High-voltage pre-charging circuit breaker with pre-charging and circuit breaking functions and manufacturing method thereof

Technical Field

The invention relates to the technical field of high-voltage pre-charging circuit breakers, in particular to a high-voltage pre-charging circuit breaker with pre-charging and circuit breaking functions and a manufacturing method thereof.

Background

The high-voltage pre-charging breaker is a key device used in a high-voltage direct-current transmission system, and can rapidly cut off current when faults occur so as to protect safe and stable operation of a power grid. The high-voltage pre-charging circuit breaker is widely applied to new energy commercial vehicles, passenger vehicles, charging piles and energy storage equipment.

The front end of the power battery is generally connected with a capacitor in series, in order to protect the capacitor when the power battery in the circuit pre-charges the capacitor, a main relay is generally required to be connected between the capacitor and the power battery in series, the pre-charging relay and the pre-charging resistor are connected in parallel with the main relay after being connected in series, the pre-charging relay and the pre-charging resistor are connected in series through a cable, and the pre-charging relay and the pre-charging resistor generally exist independently and are respectively placed at a designated position or a reserved space size position.

Because the independent pre-charging relay and the pre-charging resistor are respectively placed at the designated positions and are connected in series by adopting the cables, when the pre-charging relay and the pre-charging resistor are assembled, the cables connected between the pre-charging relay and the pre-charging resistor are required to be assembled, so that the assembly is complex.

Disclosure of Invention

In order to improve assembly efficiency, the invention provides a high-voltage pre-charging circuit breaker with pre-charging and circuit breaking functions and a manufacturing method thereof.

In a first aspect, the present invention provides a high voltage pre-charging circuit breaker with pre-charging and circuit breaking functions, which adopts the following technical scheme:

The high-voltage pre-charging circuit breaker with the pre-charging and circuit breaking functions comprises a relay module for controlling on-off, a resistor module for pre-charging protection and a mounting shell, wherein the relay module comprises a relay body and a first connecting sheet, one end of the first connecting sheet is connected with the relay body, and one end of the first connecting sheet, which is far away from the relay body, is used for being connected with the outside;

The resistor module comprises a resistor piece, a first static contact piece, a second static contact piece and a second connecting piece, wherein the first static contact piece and the second connecting piece are respectively positioned at two sides of the resistor piece, a movable contact spring piece on the relay module is used for controlling and connecting the first static contact piece and the second static contact piece, the second static contact piece is arranged on the mounting shell, and the second connecting piece and the second static contact piece are used for being connected with the outside;

the relay module is characterized in that a first placing groove for placing the relay module is formed in the mounting shell, a second placing groove for placing the resistor is formed in the mounting shell, the first placing groove and the second placing groove are located on the same side of the mounting shell, a third placing groove for placing the first static contact and the second static contact is formed in the mounting shell, and the third placing groove is used for communicating the first placing groove and the second placing groove.

Optionally, be provided with the guard piece that is used for carrying out static and high temperature protection on the installation shell, the second standing groove supplies the guard piece is placed, offer on the guard piece and supply the fourth standing groove that the resistance piece was placed, offer on the guard piece and supply the second connection piece with the second that the second static contact piece was worn to establish wears to establish the hole, the guard piece has been offered and has been supplied the joint groove that the first static contact piece was placed and joint.

Optionally, a cover plate for covering the first placing groove is arranged on the mounting shell, and a first penetrating hole for the first connecting piece to penetrate is formed in the cover plate.

In a second aspect, the present invention provides a method for manufacturing a high voltage pre-charging circuit breaker with pre-charging and breaking functions, which adopts the following technical scheme:

a manufacturing method of a high-voltage pre-charging breaker with pre-charging and breaking functions comprises the following steps:

acquiring information of a demand installation environment;

analyzing and determining relay type information of the relay module, resistance model information of the resistance module and appearance parameter information of the mounting shell according to the required mounting environment information;

According to the demand installation environment information and the resistance model information, analyzing and determining the protection parameter information of the protection piece, and manufacturing according to the protection parameter information;

analyzing and determining the internal parameter information of the installation shell according to the relay type number information and the protection parameter information;

Combining the shape parameter information and the internal parameter information to form shell parameter information of the installation shell, and manufacturing according to the shell parameter information;

the plate body parameter information of the cover plate is determined according to the shell parameter information and the relay type number information, and manufacturing is carried out according to the plate body parameter information;

The mounting shell, the relay module, the resistor module, the protecting piece and the cover plate are sequentially clamped to move and mount.

Optionally, the method for determining the relay type number information, the resistor type number information and the shape parameter information includes:

Calling installation space information and an environment using voltage value based on the requirement installation environment information;

according to the corresponding relation between the installation space information and the preset installation space parameter information, determining the installation space parameter information corresponding to the installation space information, and taking the installation space parameter information as profile parameter information;

According to the corresponding relation between the environment using voltage value and the preset required resistance range, determining the required resistance range corresponding to the resistance model information;

And matching from a preset relay type database and a resistor type database based on the required resistance range to determine the type information of the relay selection and the type information of the resistor selection, taking the type information of the relay selection as the type information of the relay, and taking the type information of the resistor selection as the type information of the resistor.

Optionally, the method for determining the type information of the relay selection and the type information of the resistor selection includes:

Matching from a preset relay type database and a resistor type database based on a required resistance range to obtain initial type information of the relay and corresponding initial type information of the resistor;

Judging whether the initial type information of the relay is only one;

if yes, the relay initial model information is used as relay selection model information, and the resistor initial model information is used as resistor selection model information;

If not, the initial resistance value of the relay is called based on the initial model information of the relay, and the initial resistance value of the resistor is called based on the initial model information of the resistor;

Calculating a difference value between the initial resistance value of the relay and the initial resistance value of the resistor and taking the difference value as a resistance deviation value;

Sorting from small to large based on the resistance deviation values, and taking the resistance deviation value sorted into the first positive value as a resistance selection deviation value;

And taking the initial type information of the relay corresponding to the resistor selection deviation value as the relay selection type information, and taking the initial type information of the resistor corresponding to the resistor selection deviation value as the resistor selection type information.

Optionally, the method further comprises the step of taking the relay selection model information as relay model information and taking the resistor selection model information as resistor model information, and specifically comprises the following steps:

The method comprises the steps of calling a relay selection volume value based on relay selection model information, and calling a resistor selection volume value based on resistor selection model information;

Calculating the sum value between the selected volume value of the relay and the selected volume value of the resistor and taking the sum value as the placement requirement volume value;

According to the corresponding relation between the installation space parameter information and the preset placement tolerance volume value, the placement tolerance volume value corresponding to the installation space parameter information is determined;

judging whether the placement requirement volume value is smaller than the placement tolerance volume value or not;

if yes, continuing to output relay type number information and resistance type information;

if not, calculating the difference between the placement requirement volume value and the placement tolerance volume value and taking the difference as a volume deviation value;

Re-matching and selecting the relay type information from a preset relay type database based on the volume deviation value and the relay type information, and taking the relay type information as relay adjustment type information;

Adjusting a relay adjustment resistance value based on the relay adjustment model information;

Re-matching selection is performed from a preset resistor model database based on the relay adjustment resistance value, and the re-matching selection is used as resistor adjustment model information;

And the relay adjustment model information is used as relay model information, and the resistor adjustment model information is used as resistor model information.

Optionally, the method further comprises the step of continuously outputting the relay type information and the resistor type information, wherein the method specifically comprises the following steps:

calculating a difference value between the placement requirement volume value and the placement tolerance volume value and taking the difference value as a volume redundancy value;

The resistor value and the resistor volume value are called based on the resistor model information;

Calculating a quotient between the volume redundancy value and the resistor volume value and taking the quotient as a redundancy value;

Judging whether the redundant numerical values are larger than a preset placement reference numerical value or not;

If so, determining the parallel single selected reference value corresponding to the redundant numerical value according to the corresponding relation between the redundant numerical value and the preset parallel single selected reference value;

Re-matching the model corresponding to the parallel single selected reference value from a preset resistor model database based on the resistor model information, using the model as the parallel single model information of the resistor, and enabling the resistor to be connected with the single model information in parallel to replace the resistor model information;

If not, continuing to output the resistance model information.

Optionally, the method for determining the protection parameter information includes:

calling an environment temperature value based on the demand installation environment information;

according to the corresponding relation between the environmental temperature value and the preset protective material information, the protective material information corresponding to the environmental temperature value is determined;

according to the corresponding relation between the protection material information and the preset material parameter influence information, determining the material parameter influence information corresponding to the protection material information;

the resistor single parameter information and the resistor placement numerical value are called based on the resistor model information;

According to the corresponding relation between the resistor single parameter information and the preset protection single parameter information, determining the protection single parameter information corresponding to the resistor single parameter information;

determining protection comprehensive parameter information based on combination analysis of protection single parameter information and resistor placement numerical values;

And adjusting the protection comprehensive parameter information based on the material parameter influence information to form protection adjustment parameter information, and taking the protection adjustment parameter information as protection parameter information.

Optionally, the specific steps of sequentially clamping the mounting shell, the relay module, the resistor module, the protection piece and the cover plate to move and mount include:

Acquiring an installation reference position point;

clamping and moving the manufactured mounting shell based on the mounting reference position point;

based on the shell parameter information, calling a relay relative position point, a resistor relative position point, a protection relative position point and a board relative position point;

Determining a relay installation position point according to the installation reference position point and the relay relative position point, and clamping and moving the relay module based on the relay installation position point;

Calculating the distance deviation between the resistor relative position point and the protection relative position point and taking the distance deviation as a resistor installation deviation distance value;

determining a protection installation position point according to the installation reference position point and the protection relative position point;

Determining a combined installation position point according to the installation deviation distance value of the protection installation position point and the resistor, simultaneously clamping and moving the resistor module and the protection piece based on the combined installation position point, and then clamping and moving the protection piece based on the protection installation position point;

and determining a plate body installation position point according to the installation reference position point and the plate body relative position point, and clamping and moving the cover plate based on the plate body installation position point.

In summary, the present invention includes at least one of the following beneficial technical effects:

The relay module is placed in the first placing groove, the resistance piece is placed in the second placing groove, so that the relay module and the resistance piece are simultaneously installed in the installation shell, and the first static contact piece and the second static contact piece are simultaneously controlled and connected through the movable contact spring piece on the relay module, so that the relay module is directly connected with the resistance piece, the relay module and the resistance piece are not required to be connected by cables, and the assembly efficiency is improved;

The protective piece is arranged on the mounting shell, and static electricity and high temperature protection are carried out on the resistor piece through the protective piece, so that the influence of the environment on the resistor piece is reduced;

through set up the apron on the installation shell, cover through the apron and establish first standing groove to make relay module be difficult to receive external influence.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to an embodiment of the present application.

Fig. 2 is an exploded view of a relay module, a resistor module, a mounting case, a cover plate, and a protector according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a guard according to an embodiment of the present application.

Fig. 4 is a flowchart of a method of manufacturing a high voltage precharge circuit breaker with precharge and circuit breaking functions according to an embodiment of the present application.

Fig. 5 is a method flowchart of a method for determining relay type information, resistance type information, and profile parameter information according to an embodiment of the present application.

Fig. 6 is a method flowchart of a method for determining relay selection model information and resistance selection model information according to an embodiment of the present application.

Fig. 7 is a flowchart of a method of an embodiment of the present application after the relay selection model information is used as the relay model information and the resistor selection model information is used as the resistor model information.

Reference numerals illustrate: 1. a relay module; 2. a resistor module; 3. a mounting shell; 4. a relay body; 5. a first connecting piece; 6. a resistive member; 7. the first static contact piece; 8. the second static contact piece; 9. a second connecting piece; 10. a movable contact spring piece; 11. a first placement groove; 12. a second placement groove; 13. a third placement groove; 14. a cover plate; 15. a first through hole; 16. a fixing ring; 17. a guard; 18. a fourth placement groove; 19. a second through hole; 20. a clamping groove; 21. fixing ribs.

Detailed Description

The invention is described in further detail below with reference to figures 1-7 and examples.

Referring to fig. 1 and 2, an embodiment of the present invention discloses a high voltage pre-charge circuit breaker with pre-charge and breaking functions, which includes a relay module 1 for controlling on-off, a resistor module 2 for pre-charge protection, and a mounting case 3 for mounting. The relay module 1 is including being used for controlling relay body 4 and first connecting piece 5 of break-make, and the one end and the relay body 4 of first connecting piece 5 are connected, and the one end that relay body 4 was kept away from to first connecting piece 5 is used for being connected with external components and parts such as power battery, and first connecting piece 5 is provided with two altogether and bilateral symmetry sets up in order to conveniently insert and connect out.

Referring to fig. 1 and 2, the resistor module 2 includes a resistor 6 for performing pre-charge protection, a first static contact 7, a second static contact 8, and a second connecting piece 9, where the first static contact 7 and the second connecting piece 9 are respectively located at two sides of the resistor 6, and one end of the first static contact 7 far away from the resistor 6 and one end of the second static contact 8 are both used for being connected with a movable contact spring 10 on the relay body 4. The movable contact spring 10 on the relay body 4 is used for controlling contact or separation from the first static contact piece 7 and the second static contact piece 8 at the same time so as to control on-off, and the resistor piece 6 is directly connected when the movable contact spring is communicated. One end of the second static contact 8, which is far away from the movable contact spring 10 on the relay body 4, and one end of the second connecting piece 9, which is far away from the resistor 6, are used for being connected with external components such as a capacitor. In this embodiment, the two resistor pieces 6 are provided together, and the second connecting piece 9 is located at the top of the resistor piece 6, so that the second connecting piece 9 is convenient to connect with the outside, the first static contact piece 7 has a zigzag structure, and the first static contact piece 7 is convenient to connect with the movable contact spring 10 and the resistor piece 6 on the relay body 4 at the same time.

Referring to fig. 1 and 2, a first placement groove 11 for placing the relay module 1 is formed in the mounting case 3, a fixing rib 21 for fixing the relay module 1 is formed in the mounting case 3, and the fixing rib 21 is located on a circumferential groove wall of the first placement groove 11. Through placing relay module 1 in first standing groove 11 to fix relay module 1 through fixed rib 21, make relay module 1 be difficult to take place to remove, and improve the structural strength of installation shell 3 through fixed rib 21. The fixed rings 16 used for installation are integrally arranged on two sides of the installation shell 3, so that the installation of the installation shell 3 is facilitated.

Referring to fig. 1 and 2, a cover plate 14 for covering the first placement groove 11 is mounted on the mounting case 3, and a first through hole 15 through which the first connection piece 5 is inserted is formed in the cover plate 14. The relay module 1 is covered by the cover plate 14, so that the relay module 1 is not directly contacted with the outside, the influence of the outside on the relay module 1 is reduced, and the service life of the relay module 1 is prolonged.

Referring to fig. 1,2 and 3, a protecting member 17 for protecting static electricity and high temperature is mounted on the mounting shell 3, a fourth placing groove 18 for placing the resistor member 6 is formed in the protecting member 17, a second penetrating hole 19 for penetrating the second connecting piece 9 and the second static contact piece 8 is formed in the protecting member 17, and the second penetrating hole 19 is used for communicating the fourth placing groove 18 with the outside. The resistor 6 is subjected to static electricity and high-temperature protection through the protection piece 17, so that the service life of the resistor 6 is prolonged. The outer side wall of the protective piece 17, which is close to the relay module 1, is provided with a clamping groove 20 for placing and clamping the first static contact piece 7. The first static contact 7 is placed and clamped in the clamping groove 20, so that the first static contact 7 is fixed, and the total volume occupied by the first static contact 7 and the protective piece 17 is reduced. In this embodiment, the protection piece 17 is made of quartz sand, and the second stationary contact 8 and the second connecting piece 9 are directly preset in the protection piece 17.

Referring to fig. 1 and 2, a second placing groove 12 for placing the resistor 6 is formed in the mounting shell 3, the first placing groove 11 and the second placing groove 12 are located on the same side of the mounting shell 3, a third placing groove 13 for placing the first static contact 7 and the second static contact 8 is formed in the mounting shell 3, and the third placing groove 13 is used for communicating the first placing groove 11 and the second placing groove 12.

After the resistor 6 is placed on the protection piece 17, the second connecting piece 9 and the second static contact piece 8 are penetrated out from the second penetrating hole 19, and the first static contact piece 7 is placed in and clamped in the clamping groove 20. The protection piece 17 is placed in the second placing groove 12, the relay module 1 is placed in the first placing groove 11, the first placing groove 11 is covered by the cover plate 14, and the first connecting piece 5 penetrates out of the first penetrating hole 15. Through connecting resistance spare 6 and relay module 1 and placing in installation shell 3 jointly to no longer need adopt the cable to be connected relay module 1 and resistance spare 6, improve assembly efficiency.

Referring to fig. 4, based on the same inventive concept, an embodiment of the present invention provides a method of manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions, including:

Step S100: and acquiring the information of the required installation environment.

The requirement installation environment information is environment information which needs to be in when the high-voltage pre-charging circuit breaker with the pre-charging and circuit breaking functions is used, and the requirement installation environment information is acquired after being pre-input by an operator.

Step S200: and analyzing and determining relay type information of the relay module 1, resistance model information of the resistance module 2 and appearance parameter information of the installation shell 3 according to the required installation environment information.

The relay type number information is the type information of the relay module 1 which can meet the use requirement, the resistance type information is the type information of the resistance piece 6 which can meet the use requirement, the appearance parameter information is the external shape information of the installation shell 3 which can meet the use requirement, and the relay type number information, the resistance type information and the appearance parameter information are determined by analyzing the requirement installation environment information.

Step S300: and analyzing and determining the protection parameter information of the protection piece 17 according to the required installation environment information and the resistance model information, and manufacturing according to the protection parameter information.

The protection parameter information is shape parameter information corresponding to the protection piece 17 capable of meeting the use requirement, and the protection parameter information is determined by analyzing the requirement installation environment information and the resistance model information, and the protection piece 17 is manufactured according to the protection parameter information, so that the subsequent use is convenient.

Step S400: and analyzing and determining the internal parameter information of the installation shell 3 according to the relay type number information and the protection parameter information.

The internal parameter information is internal shape information of the installation case 3 capable of meeting the use requirement, and the internal parameter information is determined by analyzing the relay type number information and the protection parameter information.

Step S500: the housing parameter information of the mounting housing 3 is formed based on the combination of the shape parameter information and the internal parameter information, and is manufactured in accordance with the housing parameter information.

The shell parameter information is overall parameter information of the installation shell 3 capable of meeting the use requirement, and the external parameter information and the internal parameter information are combined, so that the shell parameter information of the installation shell 3 is formed and manufactured, and the subsequent use is convenient.

Step S600: and analyzing and determining the plate body parameter information of the cover plate 14 according to the shell parameter information and the relay type number information, and manufacturing according to the plate body parameter information.

The board parameter information is shape parameter information corresponding to the cover board 14 capable of meeting the use requirement, and the shape parameter of the required cover board 14 is determined and used as the board parameter information according to the overall parameter of the installation shell 3 and the model of the relay module 1 by analyzing the shell parameter information and the relay type number information, and the board parameter information is manufactured, so that the follow-up use is convenient.

Step S700: the mounting case 3, the relay module 1, the resistor module 2, the protector 17, and the cover plate 14 are sequentially held, moved, and mounted.

Wherein, through carrying out the centre gripping to installation shell 3, relay module 1, resistance module 2, protector 17 and apron 14 in proper order and remove and install to form the high-voltage pre-charge circuit breaker of taking pre-charge and circuit breaking function, make things convenient for follow-up when using directly to take pre-charge and circuit breaking function's high-voltage pre-charge circuit breaker to use, reduce the step of being connected to relay module 1 and resistance module 2, and need not to wire the installation of arranging the cable of connecting between relay module 1 and the resistance module 2, thereby reach the effect that improves assembly efficiency.

In step S200 shown in fig. 4, in order to further secure the rationality of the relay type number information, the resistance model number information, and the external parameter information, further individual analysis and calculation of the relay type number information, the resistance model number information, and the external parameter information are required, and specifically, the detailed description will be given by the steps shown in fig. 5.

Referring to fig. 5, the method for determining the relay type number information, the resistance type information, and the profile parameter information includes the steps of:

step S210: and calling installation space information and environment use voltage values based on the demand installation environment information.

The required installation environment information comprises installation space information and environment use voltage values, wherein the installation space information refers to space shape and size information which can be installed when the device is used, and the environment use voltage values refer to maximum voltage values which need to be borne when the device is used. The installation space information and the environment using voltage value are adjusted according to the requirement of the installation environment information, so that the subsequent use is convenient.

Step S220: according to the corresponding relation between the installation space information and the preset installation space parameter information, the installation space parameter information corresponding to the installation space information is determined, and the installation space parameter information is used as the appearance parameter information.

The installation space parameter information refers to parameter information such as a space shape and the like corresponding to the installation of the installation shell 3 in an installable space, and the installation space information is reduced and irregularly removed through a size proportion and a removal relation between the installation space information and the installation space parameter information, so that the installation space parameter information is formed, the installation space parameter information is taken as profile parameter information, and the accuracy of the obtained profile parameter information is improved.

Step S230: and determining a required resistance range corresponding to the resistance model information according to the corresponding relation between the environment using voltage value and the preset required resistance range.

The required resistance range is the total resistance value range of the relay module 1 and the resistor 6 during use, and the voltage value and the current value range which can be normally used by components under the maximum voltage value are used through the environment, so that the required resistance range is calculated and determined, and the subsequent use is convenient.

Step S240: and matching from a preset relay type database and a resistor type database based on the required resistance range to determine the type information of the relay selection and the type information of the resistor selection, taking the type information of the relay selection as the type information of the relay, and taking the type information of the resistor selection as the type information of the resistor.

The relay type database is a database for storing all models to which the relay module 1 belongs, and is obtained after being queried through related websites of the relay module 1. The resistor model database is a database for storing all models of the resistor 6, and is obtained after the resistor model database is queried through related websites of the resistor 6. The relay selection type information refers to type information after selecting the type to which the relay module 1 belongs, the resistor selection type information refers to type information after selecting the type to which the resistor 6 belongs, and the relay selection type information and the resistor selection type information capable of meeting the required resistor range are selected from a preset relay type database and a resistor type database, so that the relay type information and the resistor type information are determined, and the accuracy of the acquired relay type information and the acquired resistor type information is improved.

In step S240 shown in fig. 5, in order to further ensure the rationality of the relay selection model information and the resistor selection model information, further separate analysis and calculation of the relay selection model information and the resistor selection model information are required, and specifically, the detailed description will be given through the steps shown in fig. 6.

Referring to fig. 6, the method for determining the relay selection model information and the resistance selection model information includes the steps of:

Step S241: and matching from a preset relay type database and a resistor type database based on the required resistance range to obtain initial type information of the relay and corresponding initial type information of the resistor.

The relay initial model information refers to initial information of a model of the selected relay module 1, the resistance initial model information refers to initial information of a model of the selected resistor 6, and all relay initial model information capable of meeting a required resistance range and resistance initial model information capable of being combined with the relay initial model information are selected from a preset relay model database and a resistor model database, so that follow-up use is facilitated.

Step S242: it is determined whether the relay initial model information is only one. If yes, go to step S243; if not, step S244 is performed.

And judging whether the selected model can be directly used or not by judging whether the initial model information of the relay is only one.

Step S243: and taking the initial type information of the relay as the selected type information of the relay, and taking the initial type information of the resistor as the selected type information of the resistor.

When the initial type information of the relay is only one, the relay can be directly used for the selected type at the moment, so that the initial type information of the relay is used as the type information of the relay, the initial type information of the resistor is used as the type information of the resistor, and the accuracy of the obtained type information of the relay and the accuracy of the obtained type information of the resistor are improved.

Step S244: and calling the initial resistance value of the relay based on the initial model information of the relay, and calling the initial resistance value of the resistor based on the initial model information of the resistor.

The initial resistance value of the relay refers to the resistance value corresponding to the initial model of the selected relay module 1, and the initial resistance value of the resistor refers to the resistance value corresponding to the initial model of the selected resistor 6.

When the initial type information of the relay is not only one, the fact that the selected type can not be directly used at the moment is indicated, so that the initial resistance value of the relay is inquired and called through the initial type information of the relay, and the initial resistance value of the resistor is inquired and called through the initial type information of the resistor, and further follow-up use is facilitated.

Step S245: the difference between the initial resistance value of the relay and the initial resistance value of the resistor is calculated and used as a resistance deviation value.

The resistance deviation value is a resistance difference value between the relay module 1 and the resistor 6, and the difference value between the initial resistance value of the relay and the initial resistance value of the resistor is calculated and used as the resistance deviation value, so that the subsequent use is convenient.

Step S246: and sorting from small to large based on the resistance deviation values, and taking the resistance deviation value sorted into the first positive value as the resistance selection deviation value.

The resistance selection deviation value refers to a resistance difference value between the selected relay module 1 and the resistance piece 6, and the resistance deviation value ranked as the first positive value is used as the resistance selection deviation value by ranking the resistance deviation values from small to large, so that the subsequent use is convenient.

Step S247: and taking the initial type information of the relay corresponding to the resistor selection deviation value as the relay selection type information, and taking the initial type information of the resistor corresponding to the resistor selection deviation value as the resistor selection type information.

The relay initial model information and the resistor initial model information corresponding to the resistor selection deviation value are respectively used as the relay selection model information and the resistor selection model information, so that the resistor difference between the relay selection model information and the resistor selection model information is minimum, the resistance value of the relay module 1 is larger than that of the resistor piece 6, and the accuracy of the obtained relay selection model information and the obtained resistor selection model information is improved.

After step S240 shown in fig. 5, in order to further ensure the rationality of the relay type information and the resistance model information, further separate analysis and calculation of the relay type information and the resistance model information are required, and specifically, the steps shown in fig. 7 will be described in detail.

Referring to fig. 7, the steps after the relay selection model information is the relay model information and the resistance selection model information is the resistance model information include the steps of:

step S251: and calling the relay selection volume value based on the relay selection model information, and calling the resistor selection volume value based on the resistor selection model information.

The selected volume value of the relay refers to the volume value corresponding to the model of the selected relay module 1, and the selected volume value of the resistor refers to the volume value corresponding to the model of the selected resistor 6. The volume value selected by the relay is queried and called through the information of the type selected by the relay, and the volume value selected by the resistor is queried and called through the information of the type selected by the resistor, so that the subsequent use is convenient.

Step S252: and calculating the sum value between the selected volume value of the relay and the selected volume value of the resistor and taking the sum value as the placement requirement volume value.

The placing requirement volume value refers to a volume value required by placing the relay module 1 and the resistor module 2, and the sum value between the volume value selected by the relay and the volume value selected by the resistor is calculated and used as the placing requirement volume value, so that the subsequent use is convenient.

Step S253: and determining the placement tolerance volume value corresponding to the installation space parameter information according to the corresponding relation between the installation space parameter information and the preset placement tolerance volume value.

The placement allowable volume value is a volume value corresponding to the fact that the installation shell 3 can place the relay module 1 and the resistor module 2, and the placement allowable volume value is determined through a proportional relation between installation space parameter information and the placement allowable volume value, so that follow-up use is facilitated.

Step S254: and judging whether the placement requirement volume value is smaller than the placement tolerance volume value. If yes, executing step S255; if not, step S256 is performed.

Whether the selected type of the relay module 1 and the type of the resistor 6 can be used or not is judged by placing whether the placement requirement volume value is smaller than the placement tolerance volume value.

Step S255: and continuously outputting the relay type information and the resistance type information.

When the placement requirement volume value is smaller than the placement tolerance volume value, the model of the relay module 1 and the model of the resistor 6 selected at the moment can be used, so that the relay type number information and the resistor type information are continuously output.

Step S256: and calculating the difference between the placement requirement volume value and the placement tolerance volume value as a volume deviation value.

The volume deviation value is a deviation value between a volume which can be placed when the relay module is not placed and a volume which needs to be placed, and when the placement requirement volume value is not smaller than the placement tolerance volume value, the model which the relay module 1 selected at the moment belongs to and the model which the resistor piece 6 belongs to cannot be used, so that the difference value between the placement requirement volume value and the placement tolerance volume value is calculated and used as the volume deviation value, and the follow-up use is convenient.

Step S257: and re-matching and selecting the relay type information from a preset relay type database based on the volume deviation value and the relay type information, and taking the relay type information as relay adjustment type information.

The relay adjustment model information refers to model information after the model of the relay module 1 is adjusted, and the model corresponding to the difference volume deviation value of the relay selection model information is selected from a preset relay model database and used as the relay adjustment model information, so that the relay adjustment model information is convenient to use subsequently.

Step S258: and calling the relay adjustment resistance value based on the relay adjustment model information.

The relay adjusting resistance value refers to a resistance value corresponding to the type 1 of the relay module after adjustment, and the relay adjusting resistance value is inquired and called through relay adjusting type information, so that the relay adjusting resistance value is convenient to use subsequently.

Step S259: and re-matching and selecting the resistor type information from a preset resistor type database based on the relay adjustment resistance value.

The resistor adjustment model information refers to model information after the model of the resistor 6 is adjusted, and the model which is consistent with the relay adjustment resistance value is selected from a preset resistor model database and used as the resistor adjustment model information, so that the resistor adjustment model information is convenient to use subsequently.

Step S25A: and the relay adjustment model information is used as relay model information, and the resistor adjustment model information is used as resistor model information.

The relay type information is used as relay type information, and the resistor type information is used as resistor type information, so that accuracy of the obtained relay type information and resistor type information is improved.

After step S255 shown in fig. 7, in order to further secure the rationality after the relay type information and the resistance model information are continuously output, further individual analysis and calculation after the relay type information and the resistance model information are continuously output is necessary, and the following steps are specifically described.

The step after continuing to output the relay type number information and the resistor type number information comprises the following steps:

step S2551: the difference between the placement demand volume value and the placement allowable volume value is calculated and used as a volume redundancy value.

The volume redundancy value refers to a deviation value between a volume which can be placed and a volume which needs to be placed when the device can be put down, and the difference value between the placement requirement volume value and the placement tolerance volume value is calculated and used as the volume redundancy value, so that the device is convenient to use subsequently.

Step S2552: and calling the resistor resistance value and the resistor volume value based on the resistor model information.

The resistor resistance value refers to the resistance value of the model of the resistor 6, and the resistor volume value refers to the volume value of the model of the resistor 6, and the resistor resistance value and the resistor volume value are queried and called through the resistor model information, so that the subsequent use is convenient.

Step S2553: the quotient between the volume redundancy value and the resistor volume value is calculated and used as redundancy value.

The redundant number is a number when the redundant space is used for placing the resistor 6, and the quotient between the volume redundant value and the volume value of the resistor is calculated and used as the redundant number, so that the subsequent use is convenient.

Step S2554: judging whether the redundant numerical values are larger than a preset placement reference numerical value or not. If yes, go to step S2555; if not, step S2557 is performed.

The reference number of places refers to a reference number that can be placed more than necessary when placing the resistor 6, and the reference number of places is obtained by the operator inputting in advance and stored in the database. By judging whether the redundant number value is larger than a preset placement reference number value, whether the redundant space can place the resistor 6 is judged.

Step S2555: and determining the parallel single selected reference value corresponding to the redundant numerical value according to the corresponding relation between the redundant numerical value and the preset parallel single selected reference value.

The parallel single selection reference value refers to a reference value of selecting a model number after the resistor 6 is connected in parallel, and the parallel single selection reference value is obtained by inquiring a database storing redundant numerical values and the parallel single selection reference value. When the redundant number is larger than the preset placement reference number, the redundant space can place the resistor 6, so that the parallel single selection reference value is determined through the query of the redundant number, and the subsequent use is convenient.

Step S2556: and re-matching the model corresponding to the parallel single selected reference value from a preset resistor model database based on the resistor model information, enabling the model to serve as the parallel single model information of the resistor, and enabling the resistor to be connected with the single model information in parallel to replace the resistor model information.

According to the resistor model information, models corresponding to the parallel single selected reference values are matched from a preset resistor model database and used as resistor parallel single model information, and the resistor parallel single model information is replaced by the resistor parallel single model information, so that accuracy of the obtained resistor model information is improved.

Step S2557: and continuously outputting the resistance model information.

When the redundant number is not greater than the preset placement reference number, it is indicated that the redundant space cannot place the resistor 6 at this time, so that the resistor model information is continuously output.

In step S300 shown in fig. 4, in order to further secure the rationality of the protection parameter information, further individual analysis calculation of the protection parameter information is required, specifically, the following steps are described in detail.

The method for determining the protection parameter information comprises the following steps:

Step S310: and calling an ambient temperature value based on the demand installation ambient information.

The required installation environment information comprises an environment temperature value, wherein the environment temperature value refers to the temperature value of the environment where installation is performed, the environment temperature value can be obtained after a temperature sensor preset near an installation position is inquired, and the environment temperature value can also be obtained through input in advance by an operator.

Step S320: and determining the protective material information corresponding to the environmental temperature value according to the corresponding relation between the environmental temperature value and the preset protective material information.

The shielding material information refers to material information of the shielding member 17, and the shielding material information is obtained by querying from a database storing the environmental temperature value and the shielding material information. And the protection material information is determined through the inquiry of the environmental temperature value, so that the subsequent use is convenient.

Step S330: and determining material parameter influence information corresponding to the protective material information according to the corresponding relation between the protective material information and the preset material parameter influence information.

The material parameter influence information refers to a value of influence of the material of the protection member 17 on the shape, and is obtained by querying a database storing the protection material information and the material parameter influence information. And the material parameter influence information is determined through the inquiry of the protection material information, so that the subsequent use is convenient.

Step S340: and calling the resistor single parameter information and the resistor placement numerical value based on the resistor model information.

The resistor single parameter information refers to shape and size parameter information corresponding to the single resistor piece 6, the resistor placement number refers to a number for placing the single resistor piece 6, and the resistor single parameter information and the resistor placement number are queried and called through resistance model information, so that the subsequent use is facilitated.

Step S350: and determining the protection single parameter information corresponding to the resistor single parameter information according to the corresponding relation between the resistor single parameter information and the preset protection single parameter information.

The protection single parameter information refers to shape parameter information that needs to adjust the shape of the protection piece 17 according to the shape size corresponding to the single resistor piece 6, and the protection single parameter information is determined by analyzing the proportional relation and the cutting processing relation between the resistor single parameter information and the protection single parameter information, so that the subsequent use is convenient.

Step S360: and determining the protection comprehensive parameter information based on the protection single parameter information and the resistor placement numerical value through combined analysis.

Wherein, through combining the single parameter information of protection with the resistor placement number value, thereby form the parameter information that carries out comprehensive adjustment to the shape of guard 17 and regard as protection comprehensive parameter information, convenient follow-up use.

Step S370: and adjusting the protection comprehensive parameter information based on the material parameter influence information to form protection adjustment parameter information, and taking the protection adjustment parameter information as protection parameter information.

The protection comprehensive parameter information is adjusted according to the material parameter influence information, so that protection adjustment parameter information is formed and used as protection parameter information, and accuracy of the obtained protection parameter information is improved.

In step S700 shown in fig. 4, in order to further secure the rationality of the installation case 3, the relay module 1, the resistor module 2, the protector 17, and the cover 14, it is necessary to perform further individual analysis and calculation of the installation case 3, the relay module 1, the resistor module 2, the protector 17, and the cover 14, specifically, the following steps are described in detail.

The specific steps of sequentially clamping the mounting shell 3, the relay module 1, the resistor module 2, the protection piece 17 and the cover plate 14 for moving and mounting comprise the following steps:

step S710: and acquiring an installation reference position point.

The installation reference position point is a reference position point where the installation platform is located when the installation shell 3, the relay module 1 and the resistor module 2 are installed, and the installation reference position point is obtained after being input in advance by an operator.

Step S720: the manufactured mounting case 3 is clamped and moved based on the mounting reference position points.

Wherein, through the centre gripping of the installation shell 3 that will finish after making and remove to installation reference point, the convenience is followed and is installed.

Step S730: and calling the relay relative position point, the resistor relative position point, the protection relative position point and the plate relative position point based on the shell parameter information.

The relay relative position point refers to a position point of the relay module 1 relative to the installation shell 3 after installation, the resistor relative position point refers to a position point of the resistor module 2 relative to the installation shell 3 after installation, the protection relative position point refers to a position point of the protection piece 17 relative to the installation shell 3 after installation, and the board relative position point refers to a position point of the cover plate 14 relative to the installation shell 3 after installation.

Step S740: the relay mounting position point is determined based on the mounting reference position point and the relay relative position point, and the relay module 1 is clamped and moved based on the relay mounting position point.

The relay installation position point is a position point required to be located when the relay module 1 is installed, and the relay installation position point is obtained by calculating the relative position point of the installation reference position point and the relay, and then the relay module 1 is clamped and moved to the relay installation position point, so that the relay module 1 is installed in the installation shell 3.

Step S750: and calculating the distance deviation between the resistor relative position point and the protection relative position point and taking the distance deviation as a resistor installation deviation distance value.

The resistor installation deviation distance value refers to a deviation distance between the resistor module 2 and the protection piece 17 during installation, and the distance deviation between the resistor relative position point and the protection relative position point is calculated and used as the resistor installation deviation distance value, so that the resistor installation deviation distance value is convenient to use subsequently.

Step S760: and determining the protection installation position point according to the installation reference position point and the protection relative position point.

The protection installation position point is a position point required to be located when the protection piece 17 is installed, and the protection installation position point is obtained by calculating the installation reference position point and the protection relative position point, so that the subsequent use is convenient.

Step S770: the combined installation position point is determined according to the deviation distance value between the protection installation position point and the resistor installation, the resistor module 2 and the protection piece 17 are clamped and moved simultaneously based on the combined installation position point, and the protection piece 17 is clamped and moved based on the protection installation position point.

The combined installation position point is a position point required when the resistor module 2 and the guard 17 are installed in a combined manner, and the combined installation position point is obtained by calculating the deviation distance value between the guard installation position point and the resistor installation, and simultaneously, the resistor module 2 and the guard 17 are clamped and moved to the combined installation position point for combined installation, and then the guard 17 is clamped and moved to the guard installation position point, so that the resistor module 2 and the guard 17 are installed in the installation shell 3.

Step S780: the plate body mounting position points are determined based on the mounting reference position points and the plate body relative position points, and the cover plate 14 is clamped and moved based on the plate body mounting position points.

The board body installation position point is a position point required to be located when the cover board 14 is installed, and the installation reference position point and the board body opposite position point are calculated to obtain a board body installation position point, and then the cover board 14 is clamped and moved to the board body installation position point, so that the cover board 14 is installed on the installation shell 3.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. The utility model provides a take precharge and high voltage circuit breaker of function of breaking a circuit which characterized in that: the automatic charging device comprises a relay module (1) for controlling on-off, a resistor module (2) for pre-charging protection and a mounting shell (3), wherein the relay module (1) comprises a relay body (4) and a first connecting piece (5), one end of the first connecting piece (5) is connected with the relay body (4), and one end of the first connecting piece (5) away from the relay body (4) is used for being connected with the outside;

The resistor module (2) comprises a resistor piece (6), a first static contact piece (7), a second static contact piece (8) and a second connecting piece (9), wherein the first static contact piece (7) and the second connecting piece (9) are respectively positioned at two sides of the resistor piece (6), a movable contact spring piece (10) on the relay module (1) is used for controlling and connecting the first static contact piece (7) and the second static contact piece (8), the second static contact piece (8) is arranged on the mounting shell (3), and the second connecting piece (9) and the second static contact piece (8) are used for being connected with the outside;

a first placing groove (11) for placing the relay module (1) is formed in the mounting shell (3), a second placing groove (12) for placing the resistor piece (6) is formed in the mounting shell (3), the first placing groove (11) and the second placing groove (12) are located on the same side of the mounting shell (3), a third placing groove (13) for placing the first static contact piece (7) and the second static contact piece (8) is formed in the mounting shell (3), and the third placing groove (13) is used for communicating the first placing groove (11) with the second placing groove (12);

Be provided with on the installation shell (3) and be used for carrying out static and high temperature protection's guard piece (17), second standing groove (12) confession guard piece (17) are placed, offer on guard piece (17) confession fourth standing groove (18) that resistance piece (6) were placed, offer on guard piece (17) confession second connection piece (9) with second static contact piece (8) are worn to establish hole (19), guard piece (17) are offered and are supplied first static contact piece (7) place and joint's joint groove (20).

2. The high voltage precharge circuit breaker with precharge and circuit breaking function according to claim 1, wherein: the mounting shell (3) is provided with a cover plate (14) for covering the first placing groove (11), and the cover plate (14) is provided with a first penetrating hole (15) for the first connecting piece (5) to penetrate through.

3. The method for manufacturing a high voltage precharge circuit breaker with precharge and circuit breaking function according to claim 2, comprising:

acquiring information of a demand installation environment;

According to the information analysis of the required installation environment, relay type information of the relay module (1), resistance type information of the resistance module (2) and appearance parameter information of the installation shell (3) are determined;

According to the demand installation environment information and the resistance model information, the protection parameter information of the protection piece (17) is analyzed and determined, and the protection piece is manufactured according to the protection parameter information;

according to the relay type number information and the protection parameter information, the internal parameter information of the installation shell (3) is analyzed and determined;

combining the shape parameter information with the internal parameter information to form shell parameter information of the mounting shell (3), and manufacturing according to the shell parameter information;

According to the shell parameter information and the relay type number information, the plate body parameter information of the cover plate (14) is analyzed and determined, and manufacturing is carried out according to the plate body parameter information;

The mounting shell (3), the relay module (1), the resistor module (2), the protection piece (17) and the cover plate (14) are sequentially clamped to move and mounted.

4. The method for manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 3, wherein the method for determining the relay type number information, the resistance type information and the shape parameter information comprises:

5. The method for manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 4, wherein the method for determining the relay selection model information and the resistance selection model information comprises:

Judging whether the initial type information of the relay is only one;

6. The method of manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 4, further comprising the step of, after the relay selection type information is used as the relay type information and the resistor selection type information is used as the resistor type information, concretely comprising the steps of:

7. The method of manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 6, further comprising the step of following the continuous output of relay type number information and resistance type information, in particular:

If not, continuing to output the resistance model information.

8. The method for manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 7, wherein the method for determining the protection parameter information comprises:

9. The method for manufacturing a high voltage pre-charge circuit breaker with pre-charge and circuit breaking functions according to claim 3, characterized in that the specific steps of moving and mounting the mounting case (3), the relay module (1), the resistor module (2), the protection member (17) and the cover plate (14) in sequence include:

Acquiring an installation reference position point;

clamping and moving the manufactured mounting shell (3) based on the mounting reference position points;

Determining a relay installation position point according to the installation reference position point and the relay relative position point, and clamping and moving the relay module (1) based on the relay installation position point;

Determining a combined installation position point according to the installation deviation distance value of the protection installation position point and the resistor, simultaneously clamping and moving the resistor module (2) and the protection piece (17) based on the combined installation position point, and then clamping and moving the protection piece (17) based on the protection installation position point;

and determining a plate body installation position point according to the installation reference position point and the plate body relative position point, and clamping and moving the cover plate (14) based on the plate body installation position point.