CN215529644U - Cabinet equipment for power plant control system - Google Patents
Cabinet equipment for power plant control system Download PDFInfo
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- CN215529644U CN215529644U CN202121727759.1U CN202121727759U CN215529644U CN 215529644 U CN215529644 U CN 215529644U CN 202121727759 U CN202121727759 U CN 202121727759U CN 215529644 U CN215529644 U CN 215529644U
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Abstract
The utility model provides a cabinet device for a power plant control system. The cabinet apparatus includes: a cabinet body; a base plate connected to the cabinet and arranged in a plane constituted by a height direction and a width direction of the cabinet; a base accommodating device arranged on one surface of the base plate in a height direction of the cabinet, the base accommodating device having a first end and a second end opposed to each other in the height direction of the cabinet; and a fixing unit constituted by a first fixing portion and a second fixing portion which connect the first end portion and the second end portion with the surface of the substrate, respectively, thereby fixing the susceptor-accommodating device on the surface of the substrate. The cabinet equipment can mount the guide rail provided with the air switch base on the cabinet at one time, so that repeated work is reduced, and the error probability is reduced. The cabinet equipment can also enable all the wires on the back of the cabinet to be placed in the wire grooves, so that the wiring is convenient, and the later-stage rectification and modification are convenient.
Description
Technical Field
The utility model relates to a cabinet device for a power plant control system.
Background
In modern power plants or nuclear power plants, Distributed Control Systems (DCS) have been widely introduced, and such Distributed Control systems perform field data acquisition and state monitoring on power plants by means of computer technology, and also perform centralized management and decentralized Control on the power plants. In general, the rack device of such a control system connects various functional units and performs data communication with external devices through cables or wires that transmit signals.
At present, the design of a guide rail for mounting an air switch base on the back of a cabinet of known cabinet equipment for a power plant control system is not reasonable, the space is too small, the mounting steps are mutually restricted, and the equipment is easily damaged or mounting errors are easily caused during mounting.
In some existing schemes, when the air switch bases need to be installed on the corresponding guide rails, firstly, those air switch bases which will block the screw fixing holes are not installed on the guide rails, but short-circuit wires and short-circuit bar plugs of the air switch bases are connected firstly, and only after the guide rails on which other air switch bases are installed are fixed on the cabinet panel, the rest air switch bases are installed on the guide rails and connected with the short-circuit bars. Another prior art solution is to install all other devices on the rail and then to wire them together, then to remove the 3 to 5 air switch bases blocking the positions of the installation screws separately, and then to install the 3 to 5 air switch bases back onto the rail after the rail is installed in the cabinet. Both of these modes are very inconvenient to operate.
In addition, the existing cabinet back cable slot of the cabinet equipment for the power plant control system is too shallow, the slot cover cannot be completely closed, and enough allowance cannot be left for the wires. The general solution is to leave no margin for the wire, and when too many wires are available, the wire slot cover needs to be bound with a binding band to close the wire slot.
Therefore, there is a need to provide an improved solution for a cabinet arrangement for a power plant control system to at least partly solve the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an improved cabinet device for a power plant control system, which at least can solve a series of technical problems that an air switch base guide rail is inconvenient to install and a cable trough cover on the back surface of the cabinet device cannot be completely closed in the prior art.
The cabinet apparatus includes:
a cabinet body having a width direction, a height direction, and a depth direction when arranged for use in a power plant control system;
a base plate connected with the cabinet and arranged in a plane constituted by a height direction of the cabinet and a width direction of the cabinet;
a base receiving means arranged on one surface of the base plate in a height direction of the cabinet, the base receiving means being configured to receive at least one air switch base of the power plant control system, the base receiving means having a first end and a second end, the first end and the second end being opposite to each other in the height direction of the cabinet;
a fixing unit configured to be adapted to fix the susceptor-accommodating device on the surface of the substrate, the fixing unit being constituted by a first fixing portion connecting the first end portion with the surface of the substrate and a second fixing portion connecting the second end portion with the surface of the substrate.
According to an alternative embodiment of the utility model, the cabinet arrangement further comprises at least one first cable receptacle arranged on the surface of the base plate in the height direction of the cabinet body, the first cable receptacle being configured and adapted to receive a cable of a control component of the power plant control system placed within the cabinet arrangement.
According to an alternative embodiment of the utility model, the cabinet arrangement further comprises a second cable accommodation portion arranged on the surface of the base plate in the width direction of the cabinet body, the second cable accommodation portion being configured and adapted to accommodate cables of control components of the power plant control system placed within the cabinet arrangement.
According to an alternative embodiment of the utility model, the first cable housing comprises a first cable housing body having a first opening and a first cable housing cover configured to close the first opening of the first cable housing body.
According to an alternative embodiment of the utility model, the second cable housing comprises a second cable housing body having a second opening and a second cable housing cover configured to close the second opening of the second cable housing body.
According to an alternative embodiment of the present invention, the first cable housing has a first thickness in a width direction of the cabinet, the first thickness being at least 30 mm.
According to an alternative embodiment of the present invention, the second cable housing has a second thickness in a depth direction of the cabinet, the second thickness being at least 35 mm.
According to an alternative embodiment of the utility model, the cabinet equipment comprises two first cable accommodations arranged on the surface of the base plate in mirror symmetry with respect to a longitudinal center plane of the cabinet, which is perpendicular to a plane constituted by a height direction of the cabinet and a width direction of the cabinet.
According to an alternative embodiment of the present invention, the first cable housing has a first length of 1530mm in a height direction of the cabinet.
According to an optional embodiment of the utility model, the cabinet device further comprises a third cable accommodation portion arranged on the surface of the base plate in a height direction of the cabinet body, the third cable accommodation portion being configured to accommodate a field cable (field cable) of the power plant control system placed within the cabinet device, the third cable accommodation portion having a third length of 1606mm in the height direction of the cabinet body.
According to an alternative embodiment of the utility model, the base housing means comprises a plurality of base housing portions, each of which is configured to accommodate one air switch base, the plurality of base housing portions being arranged between the first fixing portion and the second fixing portion.
According to an alternative embodiment of the utility model, the base housing means comprises fifteen base housings.
According to an alternative embodiment of the utility model, the first fixing portion comprises at least one first fixing screw fixedly connected with the surface of the substrate through a screw hole at a first end of the submount receiving device.
According to an alternative embodiment of the utility model, the second fixing portion comprises at least one second fixing screw fixedly connected with the surface of the substrate through a screw hole at the second end of the submount receiving device.
According to an alternative embodiment of the utility model, the height of the substrate is 2200 mm.
According to an alternative embodiment of the utility model, the base housing means has a base housing means length of 270mm in the height direction of the cabinet.
The cabinet equipment for the power plant control system provided by the utility model can at least realize that the guide rail provided with the air switch base is installed on the cabinet at one time, thereby reducing repeated work and lowering the error probability, facilitating installation and inspection, improving the installation efficiency and the installation quality and facilitating later maintenance. The cabinet equipment for the power plant control system provided by the utility model can also enable all wires on the back of the cabinet equipment to be placed in the wire grooves, so that the wiring is convenient, the later-stage rectification and modification are convenient, and the overall appearance is neat and attractive.
Drawings
The principles, features and advantages of the present invention may be better understood by describing the utility model in more detail below with reference to the accompanying drawings. The drawings comprise:
FIG. 1 shows a schematic perspective view of a cabinet arrangement for a power plant control system according to an exemplary embodiment of the present invention;
fig. 2 shows a schematic plan view of the back side of a cabinet apparatus according to an exemplary embodiment of the present invention, seen along the line of sight direction D of fig. 1;
fig. 3 shows a schematic perspective view of two first cable accommodations of a cabinet arrangement according to an exemplary embodiment of the present invention;
fig. 4 shows a schematic perspective view of a second cable housing of a cabinet apparatus according to an exemplary embodiment of the present invention.
Reference numerals:
1 front door
2 rear door
3 roof wall
4 first side wall
5 second side wall
6 bottom wall
7 rack board
11 base receiving device
11a base accommodating device length
111 first fixed part
112 second fixed part
12 additional containment device
21 first cable housing part
21a first length
21b first thickness
210 first opening
211 first cable accommodation body
212 first cable receiving cover
21' further first cable accommodation part
22 second cable receiving part
22b second thickness
220 second opening
221 second cable housing
222 second cable containment cap
30 third cable housing
30a third length
50 base plate
100 cabinet
Longitudinal central plane of A cabinet body
Height of H substrate
D direction of sight
x width direction of cabinet body
y direction of height of cabinet
z direction of depth of cabinet
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and exemplary embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model. Herein, for the sake of brevity, elements having the same reference numerals are not labeled in all the drawings.
It is noted that the terms "comprising," having, "and variations thereof, as used herein, are intended to be open-ended terms that mean" including, but not limited to. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor are they to implicitly indicate the number of technical features indicated. A feature defined as "first," "second," or "third" may be explicitly or implicitly included as at least one such feature.
It should be noted that the directional terms used herein, such as "upper", "lower", "front", "rear", "top", "bottom", "back", "inner", "outer", "side", should be construed as referring to the directions shown in the drawings, and these directional terms are only used for aiding understanding, and are not intended to specifically limit the present invention.
It is noted that, unless otherwise indicated or apparent from the context, all specific values used herein are within the tolerances common in the art, e.g., + -10%.
Fig. 1 shows a schematic perspective view of a cabinet arrangement for a power plant control system according to an exemplary embodiment of the present invention. Such a cabinet apparatus according to the present invention can be applied to, for example, a model SPPA-T2000 control system developed by siemens corporation, in which case the cabinet apparatus according to the present invention is exemplified as an SPPA-T2000 AP cabinet. It will be appreciated that the cabinet device according to the utility model can also be used for plant control systems or other instrumentation control systems having a corresponding model. Typically, a power plant control system or an instrumentation control system includes an air switch, which typically includes an air switch base for mounting to rack equipment. The air circuit breaker is here a conventional air circuit breaker, which is usually constructed as a switch that automatically opens as soon as the current in the circuit exceeds the rated current.
As shown in fig. 1, the cabinet apparatus includes a cabinet 100. For convenience, a spatial coordinate system xyz is given in each drawing, wherein, when the cabinet apparatus is in a normal placement state when applied to a power plant control system, an x direction represents a width direction of the cabinet 100, a y direction represents a height direction of the cabinet 100, and a z direction represents a depth direction of the cabinet 100.
According to an exemplary embodiment of the utility model, as also shown in fig. 1, the cabinet 100 schematically comprises a top wall 3, a first side wall 4, a second side wall 5, a bottom wall 6 and a base plate 50, the base plate 50 being located in an xy-plane constituted by a height direction y of the cabinet 100 and a width direction x of the cabinet 100, whereby the base plate 50 also constitutes a back wall of the cabinet 100. Preferably, the base plate 50 is integrally formed with the cabinet 100.
Illustratively, the cabinet 100 further comprises at least one front door 1 for closing the cabinet 100 from the front. Illustratively, the cabinet 100 further includes at least one rear door 2 for closing the cabinet 100 from behind. Illustratively, the top wall 3, the first side wall 4, the second side wall 5, the bottom wall 6 and the base plate 50 constitute, with the at least one front door 1 and the at least one rear door 2, a front accommodation space and a rear accommodation space, respectively. Illustratively, at least one frame plate 7 or a frame (not shown) is provided in the front accommodation space for carrying various functional components of the plant control system. The at least one front door 1 and the at least one rear door 2 can play a role of safety protection when closed, and can allow personnel to operate various devices in the front accommodating space and the rear accommodating space respectively when opened.
Fig. 2 shows a schematic plan view of the back side of the cabinet apparatus according to an exemplary embodiment of the present invention, seen along the line of sight direction D of fig. 1.
According to an exemplary embodiment of the utility model, as also shown in fig. 2, the cabinet equipment comprises a base receiving device 11, such as a rail or a rack, for receiving at least one air switch base of the power plant control system, which base receiving device 11 is arranged on one surface of the base plate 50 of the cabinet equipment in the height direction y of the cabinet 100, more precisely on the back side (i.e. the side illustrated in fig. 2) which is conventional for cabinet equipment for a power plant control system.
Illustratively, as also shown in fig. 2, the base housing device 11 is configured in an elongated shape and has a first end and a second end that are opposed in the height direction y of the cabinet 100.
According to an exemplary embodiment of the present invention, the cabinet apparatus includes a fixing unit configured to be adapted to fix the base-receiving device 11 on the surface of the substrate 50, the fixing unit being constituted by a first fixing portion 111 and a second fixing portion 112. Here, the first fixing portion 111 connects the first end portion with the surface of the substrate 50 and the second fixing portion 112 connects the second end portion with the surface of the substrate 50, thereby fixing the susceptor-accommodating device 11 on the surface of the substrate 50 in this manner. In other words, the base housing device 11 is fixed on the surface of the substrate 50 only by the first fixing portion 111 and the second fixing portion 112, that is, no other fixing portion is provided between the first fixing portion 111 and the second fixing portion 112, so that it is adapted to house a plurality of (preferably fifteen) air switch bases arranged in an immediately adjacent side-by-side manner between the first fixing portion 111 and the second fixing portion 112.
According to an exemplary embodiment of the utility model, the base housing means 11 comprises a plurality of (preferably fifteen) base housings, such as recesses or screws, each configured to accommodate one air switch base, which are arranged, for example, in side-by-side close proximity between the first and second fixtures 111, 112.
According to an exemplary embodiment of the present invention, the first fixing portion 111 has at least one first fixing screw, preferably two first fixing screws, fixedly connected with the surface of the substrate, for example, through a screw hole (not shown) at a first end of the susceptor-accommodating device, and the second fixing portion 112 has at least one second fixing screw, preferably two second fixing screws, fixedly connected with the surface of the substrate, for example, through a screw hole (not shown) at a second end of the susceptor-accommodating device. Thereby, particularly with the conventional air switch base, it is possible to directly and reliably fix the base accommodating device 11 on the surface of the base plate 50 in a state where a plurality of (preferably fifteen) air switch bases have been mounted on the base accommodating device 11.
Illustratively, the height H of the substrate 50 in the height direction y of the cabinet 100 is 2200 mm. In this case, the base housing device 11 preferably has a base housing device length 11a of 270mm in the height direction y of the cabinet 100.
According to an exemplary embodiment of the utility model, the cabinet arrangement further comprises at least one first cable accommodation 21, e.g. a wire raceway or a sleeve, arranged on said surface of the base plate 50 in the height direction y of the cabinet 100 for embracingly accommodating cables of various control components of the power plant control system placed within the cabinet arrangement around the height direction y of the cabinet 100.
Preferably, as also shown in fig. 2, the cabinet device further comprises a further first cable accommodation 21' arranged on said surface of the base plate 50. Exemplarily, the first cable receptacle 21 and the further first cable receptacle 21' are mirror-symmetrical with respect to a longitudinal center plane a of the cabinet 100, wherein the longitudinal center plane a is perpendicular to a plane formed by the height direction y of the cabinet 100 and the width direction x of the cabinet 100, and thus the longitudinal center plane a is schematically shown in fig. 2 with a dashed line. For convenience, the following description is made only for the first cable housing 21, but the features are equally applicable to the other first cable housing 21'.
Exemplarily, also in connection with fig. 3, the first cable accommodation part 21 comprises a first cable accommodation body 211 and a first cable accommodation cover 212, the first cable accommodation body 211 having a first opening 210, the first cable accommodation cover 212 being configured to be adapted to close the first opening 210 of the first cable accommodation body 211. Illustratively, in the width direction x of the cabinet 100, the first cable housing 21 has a first thickness 21b, and the first thickness 21b is at least 30 mm. In this case, for a conventional application such as the SPPA-T2000 AP cabinet, a sufficient margin is left in the first cable housing part 21 for the wires arranged therein without causing the first cable housing cover 212 to fail to completely close the first opening 210 of the first cable housing body 211.
According to an exemplary embodiment of the utility model, the cabinet arrangement further comprises a second cable accommodation 22, such as a wire chase or a sleeve, arranged on said surface of the base plate 50 in the width direction x of the cabinet 100 for embracingly accommodating cables of various control components of the power plant control system placed within the cabinet arrangement around the width direction x of the cabinet 100.
Exemplarily, also in connection with fig. 4, the second cable accommodation part 22 comprises a second cable accommodation body 221 and a second cable accommodation cover 222, the second cable accommodation body 221 having a second opening 220, the second cable accommodation cover 222 being configured to be adapted to close the second opening 220 of the second cable accommodation body 221. Illustratively, in the depth direction z of the cabinet 100, the second cable housing 22 has a second thickness 22b, and the second thickness 22b is at least 35 mm. In this case, for a conventional application such as the SPPA-T2000 AP cabinet, a sufficient margin is left in the second cable housing part 21 for the wires arranged therein without causing the second cable housing cover 222 to fail to completely close the second opening 220 of the second cable housing body 221.
According to an exemplary embodiment of the utility model, as also shown in fig. 2, the cabinet arrangement further comprises a third cable receptacle 30 arranged on said surface of the base plate 50 in the height direction y of the cabinet 100, the third cable receptacle 30 being configured for receiving a field cable of the power plant control system placed within the cabinet arrangement. It will be appreciated that field cables are primarily used for digital communication between field devices, such as intelligent instrumentation, controllers, actuators, etc. at the power plant site, and for information or power transfer between these field control devices and the advanced control system. Thus, the third cable housing 30 is, for example, a field cable trough.
Illustratively, the third cable housing 30 has a third length 30a of 1606mm in the height direction y of the cabinet 100, which does not particularly hinder the installation of other housing devices (e.g., the base housing device 11).
According to an exemplary embodiment of the utility model, as also shown in fig. 2, the cabinet arrangement further comprises further receiving means 12 arranged on said surface of the base plate 50 in the height direction y of the cabinet 100, for example for receiving various terminals of a power plant control system. In fig. 2, the further receiving means 12 are arranged, for example, parallel to the second cable receiver 22. Illustratively, the height of the further receiving means 12 in the height direction y of the cabinet 100 is 577mm from the ground, which is 42mm higher than the position of the receiving means in a conventional cabinet installation (for example, SPPA-T2000 AP cabinet), which leaves sufficient installation space for the second cable receiving part 22 or the base receiving means 11 according to the utility model, for example, without restricting the installation steps of the individual components.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent alterations, modifications and combinations can be made by those skilled in the art without departing from the spirit and principles of the utility model.
Claims (10)
1. A cabinet apparatus for a power plant control system, the power plant control system including an air switch base for mounting to the cabinet apparatus,
the cabinet apparatus for a power plant control system includes:
a cabinet (100), the cabinet (100) having a width direction (x), a height direction (y) and a depth direction (z) when arranged for a power plant control system;
a base plate (50), said base plate (50) being connected to said cabinet (100) and being arranged in a plane constituted by a height direction (y) of said cabinet (100) and a width direction (x) of said cabinet (100);
a base housing means (11), said base housing means (11) being arranged on one surface of said base plate (50) in the height direction (y) of said cabinet (100), said base housing means (11) being configured to be adapted to house at least one air switch base of said power plant control system, said base housing means (11) having a first end and a second end, said first end and said second end being opposite to each other in the height direction (y) of said cabinet (100);
a fixing unit configured to be adapted to fix the susceptor-containing device (11) on the surface of the substrate (50), the fixing unit being constituted by a first fixing portion (111) and a second fixing portion (112), the first fixing portion (111) connecting the first end portion with the surface of the substrate (50), the second fixing portion (112) connecting the second end portion with the surface of the substrate (50).
2. The cabinet apparatus for a power plant control system according to claim 1,
the cabinet apparatus for a power plant control system further includes:
at least one first cable receptacle (21), the first cable receptacle (21) being arranged on the surface of the base plate (50) in a height direction (y) of the cabinet (100), the first cable receptacle (21) being configured and adapted to receive cables of control components of the power plant control system placed in a cabinet arrangement and/or
A second cable accommodation portion (22), the second cable accommodation portion (22) being arranged on the surface of the base plate (50) along a width direction (x) of the cabinet body (100), the second cable accommodation portion (22) being configured to accommodate a cable of a control component of the power plant control system placed within a cabinet apparatus.
3. The cabinet apparatus for a power plant control system according to claim 2,
the first cable accommodation part (21) comprises a first cable accommodation body (211) and a first cable accommodation cover (212), the first cable accommodation body (211) having a first opening (210), the first cable accommodation cover (212) being configured to be adapted to close the first opening (210) of the first cable accommodation body (211), and/or
The second cable housing part (22) comprises a second cable housing body (221) and a second cable housing cover (222), the second cable housing body (221) having a second opening (220), the second cable housing cover (222) being configured to be adapted to close the second opening (220) of the second cable housing body (221).
4. The cabinet apparatus for a power plant control system according to claim 2 or 3,
the first cable accommodation part (21) has a first thickness (21b) in a width direction (x) of the cabinet body (100), the first thickness (21b) being at least 30mm, and/or
The second cable housing (22) has a second thickness (22b) in a depth direction (z) of the cabinet (100), the second thickness (22b) being at least 35 mm.
5. The cabinet apparatus for a power plant control system according to any one of claims 1 to 3,
the cabinet equipment for the control system of the power plant comprises two first cable accommodating parts (21), the two first cable accommodating parts (21) are arranged on the surface of the base plate (50) to be mirror-symmetrical about a longitudinal central plane (A) of the cabinet body (100), the longitudinal central plane (A) of the cabinet body (100) is perpendicular to a plane formed by the height direction (y) of the cabinet body (100) and the width direction (x) of the cabinet body (100), and/or
The first cable housing (21) has a first length (21a) of 1530mm in the height direction (y) of the cabinet (100).
6. The cabinet apparatus for a power plant control system according to any one of claims 1 to 3,
the cabinet apparatus for a power plant control system further includes:
a third cable accommodation portion (30), the third cable accommodation portion (30) being arranged on the surface of the base plate (50) along a height direction (y) of the cabinet body (100), the third cable accommodation portion (30) being configured to accommodate a field cable of the power plant control system placed within a cabinet device, the third cable accommodation portion (30) having a third length (30a) of 1606mm along the height direction (y) of the cabinet body (100).
7. The cabinet apparatus for a power plant control system according to any one of claims 1 to 3,
the base housing device (11) includes a plurality of base housing portions each configured to accommodate one air switch base, the plurality of base housing portions being arranged between the first fixing portion (111) and the second fixing portion (112).
8. The cabinet apparatus for a power plant control system according to claim 7,
the susceptor-accommodating device (11) includes fifteen susceptor accommodating portions.
9. The cabinet apparatus for a power plant control system according to any one of claims 1 to 3,
the first fixing portion (111) comprises at least one first fixing screw fixedly connected with the surface of the substrate (50) through a screw hole at a first end of the base accommodating device (11), and/or
The second fixing portion (112) includes at least one second fixing screw fixedly connected with the surface of the substrate (50) through a screw hole at a second end of the base accommodating device (11).
10. The cabinet apparatus for a power plant control system according to any one of claims 1 to 3,
the height (H) of the substrate (50) is 2200mm, and/or
The base accommodating device (11) has a base accommodating device length (11a) of 270mm in a height direction (y) of the cabinet (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727759.1U CN215529644U (en) | 2021-07-27 | 2021-07-27 | Cabinet equipment for power plant control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727759.1U CN215529644U (en) | 2021-07-27 | 2021-07-27 | Cabinet equipment for power plant control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215529644U true CN215529644U (en) | 2022-01-14 |
Family
ID=79787852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121727759.1U Active CN215529644U (en) | 2021-07-27 | 2021-07-27 | Cabinet equipment for power plant control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215529644U (en) |
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2021
- 2021-07-27 CN CN202121727759.1U patent/CN215529644U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211100 No.37 Yihuai street, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: Siemens Energy Automation (Nanjing) Co.,Ltd. Address before: 211100 No.37 Yihuai street, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: SIEMENS POWER PLANT AUTOMATION Ltd. |
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| CP01 | Change in the name or title of a patent holder |