阅读说明：本技术 一种充电桩柔性功率分配的方法和充电桩 (Charging pile flexible power distribution method and charging pile ) 是由 许启锋 翟金春 狄博士 李哲 金伟潮 张丹月 于 2020-11-27 设计创作，主要内容包括：本发明公开一种充电桩柔性功率分配的方法和充电桩,涉及充电桩领域,该充电桩包括第一充电环路、第二充电环路、中继电路、第一充电枪、第二充电枪,第一充电环路、第二充电环路和中继电路均包括多个充电模块,第一充电环路分别于第一充电枪和中继电路连接,第二充电环路分别于第二充电枪和中继电路连接,其中,第一充电环路和第二充电环路的内部电路结构为环式电路结构,中继电路的内部电路结构为矩阵式电路结构,任意充电枪可以通过功率分配原则获取第一充电环路、第二充电环路和中继电路中任意充电模块的功率,通过本申请,解决了充电桩的成本高、充电模块的利用率低的问题,降低了充电桩的成本,提高了充电模块的利用率。(The invention discloses a method for distributing flexible power of a charging pile and the charging pile, which relate to the field of charging piles and comprise a first charging loop, a second charging loop, a relay circuit, a first charging gun and a second charging gun, wherein the first charging loop, the second charging loop and the relay circuit respectively comprise a plurality of charging modules, the first charging loop is respectively connected with the first charging gun and the relay circuit, and the second charging loop is respectively connected with the second charging gun and the relay circuit, the internal circuit structures of the first charging loop and the second charging loop are of a ring circuit structure, the internal circuit structure of the relay circuit is of a matrix circuit structure, any charging gun can obtain the power of any charging module in the first charging loop, the second charging loop and the relay circuit according to the power distribution principle, and the problems of high cost and low utilization rate of the charging modules are solved through the application, the cost of charging the electric pile is reduced, and the utilization rate of the charging module is improved.)

1. A flexible power distribution charging pole, comprising: the charging system comprises a first charging loop, a second charging loop, a relay circuit, a first charging gun and a second charging gun, wherein the first charging loop, the second charging loop and the relay circuit comprise a plurality of charging modules;

the first charging loop is respectively connected with the first charging gun and the relay circuit, wherein the first charging gun acquires the electric quantity of the charging module in the first charging loop, the second charging loop and the relay circuit to charge a charging terminal;

the second charging loop is respectively connected with the second charging gun and the relay circuit, wherein the second charging gun acquires the electric quantity of the charging module in the first charging loop, the second charging loop and the relay circuit to charge the charging terminal.

2. The charging pole of claim 1, wherein the first charging loop comprises a first switching circuit and a first set of charging modules, and the second charging loop comprises a second switching circuit and a second set of charging modules; the relay circuit comprises a relay switch circuit and a relay charging module group;

the first switch circuit is respectively connected with the first charging module group and the first charging gun in a ring circuit mode; the second switch circuit is respectively connected with the second charging module group and the second charging gun in a ring circuit mode; the relay switch circuit is respectively connected with the relay charging module group, the first charging loop and the second charging loop in a matrix circuit mode;

the first charging gun acquires the electric quantity of the first charging module group in the first charging loop in a mode of a loop circuit, and acquires the electric quantity of the relay charging module group and the second charging module group in the relay circuit and the second charging loop in a mode of a matrix circuit and a loop circuit.

3. The charging pile according to claim 2, further comprising a control device, wherein the control device controls the first switch circuit, the second switch circuit and the relay switch circuit respectively, and after the control device receives a charging demand from the first charging gun, the control device configures a path meeting the power demand for the first charging gun through the first switch circuit, the relay switch circuit and the second switch circuit according to a power distribution principle.

4. A charging pile according to claim 3, characterised in that said control means comprise: a power unit characteristic table, a power distribution scheduling mechanism and a power distribution result; wherein:

the power unit characteristic table comprises electrical characteristics between the charging module and the first and second charging guns; the power distribution table records power distribution principles; and the power distribution scheduling mechanism generates a final power distribution result according to the power unit characteristic table and the power distribution table.

5. The charging pole according to claim 3, wherein the control device obtains the power required by the first charging gun from the relay charging loop if the power provided by the first charging loop cannot satisfy the power requirement of the first charging gun, and obtains the power required by the first charging gun from the second charging loop if the power provided by the relay charging loop cannot satisfy the power requirement of the first charging gun.

6. The method for distributing the flexible power of the charging pile is characterized by being applied to the charging pile, wherein the charging pile comprises a first charging loop, a second charging loop, a relay circuit, a first charging gun, a second charging gun and a control device, and the first charging loop, the second charging loop and the relay circuit comprise a plurality of charging modules;

the first charging loop comprises a first switch circuit and a first charging module group, and the second charging loop comprises a second switch circuit and a second charging module group; the relay circuit comprises a relay switch circuit and a relay charging module group;

the method comprises the following steps:

the control device distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the first charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit;

the control device distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the second charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit.

7. The method of claim 6, wherein the controlling means comprises: a power unit characteristic table, a power distribution scheduling mechanism and a power distribution result; wherein:

the power unit characteristic table comprises electrical characteristics between the charging module and the first and second charging guns; the power distribution table records power distribution principles; and the power distribution scheduling mechanism generates a final power distribution result according to the power unit characteristic table and the power distribution table.

8. The method of claim 7, wherein the controlling device obtaining the power required by the first charging gun through the power allocation scheduling mechanism according to the power allocation rules in the power allocation table comprises: and acquiring the power required by the first charging gun for the first charging gun from the first charging loop, the relay charging loop and the second charging loop.

9. The method of claim 7, wherein the control device obtains the power required by the first charging gun from the first charging loop through the power allocation scheduling mechanism according to a physical proximity principle in the power allocation table, obtains the power required by the first charging gun from the relay charging loop in a case where the power provided by the first charging loop cannot satisfy the power requirement of the first charging gun, and obtains the power required by the first charging gun from the second charging loop in a case where the power provided by the relay charging loop cannot satisfy the power requirement of the first charging gun.

10. The method according to claim 8, wherein the control device finds a switch lock-on a path satisfying a power requirement for the first charging gun according to the power distribution rule, switches having contact with the switch lock-on are to be locked-off, and all switches except the switches in the lock-on state and the lock-off state among the first switch circuit, the second switch circuit, and the relay switch circuit are in an irrelevant state, and records into a power distribution result.

Technical Field

The application relates to the field of charging piles, in particular to a charging pile power distribution method and a charging pile.

Background

With the rapid development of the electric automobile industry, after electric automobiles are continuously popularized, the electric automobile charging pile serving as an electric automobile matching facility is also developed greatly. Fill electric pile rectifier cabinet, concentrate a considerable amount of power module, unified management. And according to the actual demands of the charging terminals distributed outside, realizing output on demand by executing a preset distribution strategy. Therefore, the utilization efficiency of the power supply module is improved, the charging pile cost is reduced, and the key breakthrough of the electric automobile charging technology is improved.

Under the condition of pursuing the power module with the highest utilization rate, every group of modules can be conducted to any charging gun on the charging pile. Assuming there are N groups of modules in the system to be assigned to M guns, there are M x N pairs of switches. The power distribution method of the stacking switch realizes the maximum utilization rate of the power supply module, but also increases the system cost. Correspondingly, the other ring power distribution mode can realize the power distribution function in a limited way by using the least switches, but the design method of the ring power distribution mode can only realize full power output under specific conditions.

At present, an effective solution is not provided aiming at the problems of high charging pile system cost and low utilization rate of a power module in the related technology.

Disclosure of Invention

The embodiment of the application provides a method for flexible power distribution of charging piles and the charging piles, and aims to at least solve the problems that in the related art, the cost of a charging pile system is high, and the utilization rate of a power module is low.

In a first aspect, an embodiment of the present application provides a flexible power distribution's electric pile that fills, fill electric pile and include: the charging device comprises a first charging loop, a second charging loop, a relay circuit, a first charging gun and a second charging gun; wherein the first charge loop, the second charge loop, and the relay circuit each include a plurality of charging modules.

The first charging loop is respectively connected with the first charging gun and the relay circuit, wherein the first charging gun acquires the electric quantity of the charging module in the first charging loop, the second charging loop and the relay circuit to charge a charging terminal; the second charging loop is respectively connected with the second charging gun and the relay circuit, wherein the second charging gun acquires the electric quantity of the charging module in the first charging loop, the second charging loop and the relay circuit to charge the charging terminal.

In some of these embodiments, the first charging loop includes a first switching circuit and a first set of charging modules, and the second charging loop includes a second switching circuit and a second set of charging modules; the relay circuit comprises a relay switch circuit and a relay charging module group; the first switch circuit is respectively connected with the first charging module group and the first charging gun in a ring circuit mode; the second switch circuit is respectively connected with the second charging module group and the second charging gun in a ring circuit mode; the relay switch circuit is respectively connected with the relay charging module group, the first charging loop and the second charging loop in a matrix circuit mode;

the first charging gun acquires the electric quantity of the first charging module group in the first charging loop in a mode of a loop circuit, and acquires the electric quantity of the relay charging module group and the second charging module group in the relay circuit and the second charging loop in a mode of a matrix circuit and a loop circuit.

In some embodiments, the charging pile further includes a control device, the control device respectively controls the first switch circuit, the second switch circuit and the relay switch circuit, and after the control device receives a charging demand sent by the first charging gun, the control device configures a path meeting a power requirement for the first charging gun through the first switch circuit, the relay switch circuit and the second switch circuit according to a power distribution principle.

In a second aspect, an embodiment of the present application provides a method for distributing flexible power of a charging pile, which is applied to the charging pile, where the charging pile includes a first charging loop, a second charging loop, a relay circuit, a first charging gun, a second charging gun, and a control device, and the first charging loop, the second charging loop, and the relay circuit include a plurality of charging modules;

the first charging loop comprises a first switch circuit and a first charging module group, and the second charging loop comprises a second switch circuit and a second charging module group; the relay circuit comprises a relay switch circuit and a relay charging module group;

the method comprises the following steps: the control device distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the first charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit; the control device distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the second charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit.

In some of these embodiments, the control device comprises: a power unit characteristic table, a power distribution scheduling mechanism and a power distribution result; wherein:

the power unit characteristic table comprises electrical characteristics between the charging module and the first and second charging guns;

the power distribution table records power distribution principles;

and the power distribution scheduling mechanism generates a final power distribution result according to the power unit characteristic table and the power distribution table.

In some embodiments, the obtaining, by the control device, the power required by the first charging gun through the power allocation scheduling mechanism according to the power allocation principle in the power allocation table includes: and acquiring the power required by the first charging gun for the first charging gun from the first charging loop, the relay charging loop and the second charging loop.

In some embodiments, the control device obtains the power required by the first charging gun from the first charging loop through the power distribution scheduling mechanism according to a physical proximity principle in the power distribution table, obtains the power required by the first charging gun from the relay charging loop in the case that the power provided by the first charging loop cannot meet the power requirement of the first charging gun, and obtains the power required by the first charging gun from the second charging loop in the case that the power provided by the relay charging loop cannot meet the power requirement of the first charging gun.

In some embodiments, the control device finds a switch lock close on the path satisfying the power requirement for the first charging gun according to the power distribution principle, switches in contact with the switch lock close are to be locked open, and all switches except the switches in the lock close state and the lock open state in the first switch circuit, the second switch circuit and the relay switch circuit are in an irrelevant state and recorded in a power distribution result.

Compared with the related art, the control device of the charging pile distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the first charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit; the control device distributes the electric quantity of the first charging module group, the second charging module group and the relay charging module group to the second charging gun for power configuration through the first switch circuit, the second switch circuit and the relay switch circuit, the problems that the cost of a charging pile system is high due to stacking switches in the related technology and the power distribution of the charging modules is limited by the minimum switches are solved, on one hand, the cost is greatly reduced, and on the other hand, the utilization rate of the charging modules is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a block diagram of a charging pile according to an embodiment of the present application;

fig. 2 is a block diagram of the structures of the first charge loop 11, the relay circuit 12, and the second charge loop 13 according to an embodiment of the present application;

fig. 3 is a block diagram of the structures of the first switch circuit 21, the second switch circuit 23, and the relay switch circuit 25 according to an embodiment of the present application;

FIG. 4 is a flow chart illustrating the relationship between components of a power allocation scheme in a control apparatus according to an embodiment of the present application;

fig. 5 is a flowchart of the control device according to the embodiment of the present application, which distributes power to the first charging gun 14 on a power distribution basis;

fig. 6 is a flowchart of the power distribution of the first charging gun 14 on the physical vicinity basis by the control device according to the embodiment of the present application.

Description of the drawings: 11. a first charging loop; 12. a relay circuit; 13. a second charging loop; 14. a first charging gun; 15. a second charging gun; 21. a first switching circuit; 22. a first group of charging modules; 23. a second switching circuit; 24 a second group of charging modules; 25. a relay switch circuit; 26. and a relay charging module group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments provided in the present application without any inventive step are within the scope of protection of the present application.

It is obvious that the drawings in the following description are only examples or embodiments of the present application, and that it is also possible for a person skilled in the art to apply the present application to other similar contexts on the basis of these drawings without inventive effort. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of ordinary skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms referred to herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar words throughout this application are not to be construed as limiting in number, and may refer to the singular or the plural. The present application is directed to the use of the terms "including," "comprising," "having," and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Reference to "connected," "coupled," and the like in this application is not intended to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as referred to herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. Reference herein to the terms "first," "second," "third," and the like, are merely to distinguish similar objects and do not denote a particular ordering for the objects.

The present embodiment provides a charging pile with flexible power distribution, fig. 1 is a block diagram of a charging pile according to an embodiment of the present application, and as shown in fig. 1, the charging pile includes a first charging loop 11, a relay circuit 12, a second charging loop 13, a first charging gun 14, and a second charging gun 15, and each of the first charging loop 11, the relay circuit 12, and the second charging loop 13 includes a plurality of charging modules.

The first charging loop 11 is respectively connected with the first charging gun 14 and the relay circuit 12, and the first charging gun 14 acquires electric quantities of the first charging loop 11, the second charging loop 13 and the relay circuit 12 to charge the charging terminal; the second charging loop 13 is connected to the second charging gun 15 and the relay circuit 12, respectively, and the second charging gun 15 obtains the electric quantity in the first charging loop 11, the second charging loop 13 and the relay circuit 12 to charge the charging terminal.

Through the charging pile provided by the embodiment, under the condition that the first charging gun 14 is connected with the first charging loop 11, the second charging gun 15 is connected with the second charging loop 13, and the relay circuit 12 is respectively connected with the first charging loop 11 and the second charging loop 13, the first charging gun 14 can call the power of the first charging loop 11, and can call the power of the relay circuit 12 and the second charging loop 13 through the relay circuit 12; the second charging gun 15 can not only call the power of the second charging loop 13, but also call the power of the relay circuit 12 and the power of the first charging loop 11 through the relay circuit 12, so that the problem that the first charging gun 14 cannot call the power of the relay circuit 12 and the power of the second charging loop 13 is solved, and the utilization rate of a charging module in the charging pile is improved.

In some embodiments, fig. 2 is a block diagram of structures of the first charging loop 11, the relay circuit 12, and the second charging loop 13 according to an embodiment of the present disclosure, as shown in fig. 2, the first charging loop 11 includes a first switch circuit 21 and a first charging module group 22, the second charging loop 13 includes a second switch circuit 23 and a second charging module group 24, and the relay circuit 12 includes a relay switch circuit 25 and a relay charging module group 26. The first switch circuit 21 is respectively connected with the first charging module group 22 and the first charging gun 14 in a ring circuit manner; the second switch circuit 23 is respectively connected with the second charging module group 24 and the second charging gun 15 in a ring circuit manner; the relay switch circuit 25 is connected to the relay charging module group 26, the first charging loop circuit 11, and the second charging loop circuit 13 by way of a matrix circuit, respectively.

Further, fig. 3 is a block diagram of the first switch circuit 21, the second switch circuit 23 and the relay switch circuit 25 according to the embodiment of the present application, in the case that the number of the charging guns is 6, as shown in fig. 3, the charging modules RM1, RM2 and RM3 in the first charging module group 22 and S1, S2 and S3 in the first switch circuit 21 form a first charging loop 11(Ring1), and each charging module corresponds to a charging Gun1, Gun2 and Gun3 respectively; the charging modules RM7, RM8, RM9 in the second charging module group 24 and S4, S5, S6 in the second switch circuit 23 form a second charging loop 13(Ring2), and each charging module corresponds to a charging Gun4, Gun5, Gun 6; the three groups of charging modules RM4, RM5, RM6 in the relay charging module group 26 correspond to 6 charging guns, respectively, through S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24 in the relay switch circuit 25.

Through the electric pile that fills of this embodiment, under the circuit structure of first switch circuit 21 and second switch circuit 23 is the loop circuit, relay switch circuit 25's circuit structure is the matrix circuit condition, the use of the switch that has significantly reduced has solved the too high problem of electric pile system cost of filling.

The present embodiment provides a method for flexible power distribution of a charging pile, fig. 4 is a flowchart illustrating a relationship between components of a power distribution scheme in a control device according to an embodiment of the present application, and as shown in fig. 4, the method includes the following steps:

s402, the control device acquires power demand information of the charging terminal acquired through the charging gun;

s404, the control device according to the power demand information, the power unit characteristic table and the power distribution table;

s406, a power distribution scheduling mechanism is called to generate a final power distribution result.

The power unit characteristic table comprises electrical characteristics between all charging modules and all charging guns; the power allocation table records the power allocation principle.

Through steps S402 to S406 in this embodiment, the coordinated operation of the power unit characteristic table, the power distribution scheduling mechanism, and the power distribution result in the control device is realized, and the utilization rate of the charging module in the charging pile is improved.

Further, table 1 records the electrical characteristics between the charging modules and the charging guns in the power unit characteristic table, in the case of 6 charging guns, the charging modules RM1, RM2, and RM3 in the first charging module group 22, the charging modules RM7, RM8, and RM9 in the second charging module group 24, and the charging modules RM4, RM5, and RM6 in the relay charging module group 26, and table 1 records the electrical characteristics of the above-described charging modules and the charging guns Gun1, Gun2, Gun3, Gun4, Gun5, and Gun 6.

TABLE 1

In some embodiments, fig. 5 is a flowchart of the control device according to the present application performing power distribution for the first charging gun 14 according to the power distribution principle, and as shown in fig. 5, the method includes the following steps:

s502, the control device acquires power demand information of the charging terminal through the first charging gun 14;

s504, the control device obtains the power required by the first charging gun 14 from the first charging loop 11, the relay circuit 12, and the second charging loop 13 by calling the relevant program;

s506, the power distribution result is recorded, and the power distribution of the first charging gun 14 is ended.

Through steps S502 to S506 in this embodiment, the control device distributes power to the first charging gun 14 through the power distribution scheduling mechanism according to the power distribution principle in the power distribution table, so that the first charging gun 14 can obtain power from the first charging loop 11, the relay circuit 12, and the second charging loop 13, and the utilization rate of the charging module in the charging pile is improved.

In some embodiments, fig. 6 is a flowchart of power allocation for the first charging gun 14 on a physical proximity basis by the control device according to the embodiment of the present application, as shown in fig. 6, the method includes the following steps:

s602, the control device obtains power demand information of the charging terminal through the first charging gun 14;

s604, the control device obtains the power required by the first charging gun 14 from the first charging loop 11 by calling a relevant program, if the power provided by the first charging loop 11 meets the power requirement of the first charging gun 14, the control device jumps to the step S610, and if the power does not meet the power requirement, the control device continues to execute the step S606;

s606, the control device obtains the power required by the first charging gun 14 from the relay loop 12, if the power provided by the first charging loop 11 and the relay loop 12 meets the power requirement of the first charging gun 14, the control device jumps to step S610, and if not, the control device continues to execute step S608;

s608, the control device obtains the power required by the first charging gun 14 from the second charging loop 13;

s610, the power distribution result is recorded, and the power distribution of the first charging gun 14 is ended.

Through steps S602 to S610 in the embodiment of the present application, the first charging gun 11 obtains the power of the relay circuit 12 after obtaining the power of the first charging loop, and then obtains the power of the second charging loop 13 through the relay circuit 12, so that the utilization rate of the charging module in the charging pile is improved.

In some embodiments, the control device finds the switch on the path meeting the power requirement for the first charging gun 14 to be locked closed according to the power distribution principle, the switch in contact with the locked closed switch is locked to be opened, and all the switches except the switch in the locked closed state and the locked open state in the first switch circuit 21, the second switch circuit 23 and the relay switch circuit 25 are in an irrelevant state and recorded in the power distribution result.

By the method for distributing the flexible power of the charging pile in the embodiment, after the power distribution result in the control device records that the power distribution of the first charging gun 11 is finished, the states of all the switches in the first switch circuit 21, the second switch circuit 23 and the relay switch circuit 25 are recorded, so that the orderliness on a charging path after the control device distributes the power to the first charging gun 11 is realized, and the utilization rate of a charging module in the charging pile is improved.

Further, table 2 records three-path switching states of the first charging gun obtaining the seventh group of charging module power in the power distribution result, and in the case where the charging gun has six branches, the control device operates the power distribution scheduling mechanism to control the switches S1, S2, and S3 of the first switching circuit 21, the switches S4, S5, and S6 of the second switching circuit 23, and the switches S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, and S24 of the relay switching circuit 25 to obtain the power of the seventh group of charging modules for the first charging gun 14 through three paths.

TABLE 2

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.