Water leakage detection device, cooling device, converter valve, energy storage valve and energy storage system
By designing a water leakage detection device in a high-voltage environment, using circuit data changes and optical signal transmission of detection line groups and communication units, the problem of water leakage detection in a high-voltage environment is solved, more accurate and timely water leakage detection is achieved, and the energy storage system is improved security.
Patent Information
- Application Number
- CN202420110236.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-16
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-01-16
AI Technical Summary
In high-pressure environments, it is difficult for existing water leakage detection devices to effectively conduct water leakage detection, especially when communication restrictions are large in high-pressure environments, it is impossible to promptly notify the water leakage, which poses safety hazards.
A water leakage detection device is designed, including a detection line group, a water collection box, a collection component and a communication unit. It determines whether there is a water leakage through the circuit data changes of the detection line group, and converts it into an optical signal to transmit it to an external control device. Achieve sensitivity and timeliness of water leakage detection.
It realizes more accurate and sensitive water leakage detection in high-pressure environments, can promptly notify water leakage, reduce safety hazards, and improve the safety of energy storage systems.
Smart Images
Figure CN222299100U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of energy storage system safety, and in particular to a water leakage detection device, a cooling device, a converter valve, an energy storage valve and an energy storage system. Background Art
[0002] At present, some devices that are easy to release heat in high-pressure environments will cause their body temperature to be high under long-term working conditions, and usually need to be cooled by cooling equipment. However, if such heat-releasing devices are in a water environment, there may be safety hazards. Therefore, it is necessary to conduct water leakage detection on the environment where such heat-releasing devices are located. However, the current restrictions on communication in high-pressure environments are relatively high, and the usual communication methods cannot achieve communication well in high-pressure environments, so it is difficult to notify the leakage detection results. Utility Model Content
[0003] The purpose of the present application is to provide a water leakage detection device, a cooling device, a converter valve, an energy storage valve and an energy storage system, which can achieve more accurate water leakage detection.
[0004] In a first aspect, the utility model provides a water leakage detection device for use in a high-pressure environment, the water leakage detection device comprising: a detection wire group, a water collecting box, a collection component and a communication unit; the detection wire group comprises a first induction wire, a second induction wire, a first detection wire and a second detection wire, the first induction wire, the second induction wire, the first detection wire and the second detection wire are wound to form the detection wire group; the detection wire group is installed at the bottom of the water collecting box; the collection component is connected to the detection wire group, and is used to detect circuit data of the detection wire group, wherein the circuit data is used to determine whether there is water in the water collecting box; the communication unit is used to convert the electrical signal of the detection result of the circuit data into an optical signal and send it to an external control device.
[0005] In the above-mentioned embodiment, by setting the detection line group so that after the first induction line and the second induction line meet water, the two induction lines are short-circuited, and the detection line and the induction line can form two loops, then it can be determined whether there is water in the water collection box according to the change of the circuit data of the detection line group, so as to determine whether the detection part of the device to be detected leaks into the water collection box. The above-mentioned water leakage detection device is relatively simple and can achieve relatively accurate water leakage detection. Furthermore, since the processing method is to detect the circuit change through the detection line group and the acquisition component, and determine the electrical signal of the water leakage based on the change of the circuit, the circuit change does not require a large amount of water, as long as the detection line group contacts water, it can be detected, so that the water leakage detection can be made more sensitive. Furthermore, under the limitation of the high-voltage environment, the water leakage detection result can be timely transmitted to the external control device by converting the electrical signal into an optical signal.
[0006] In an optional embodiment, the water collecting box includes a water collecting part and a collecting part; the water collecting part is connected to the collecting part; an opening is provided at one end of the water collecting part away from the collecting part, and the opening is used to be provided at the detection part of the device to be detected, for receiving water from the detection part of the device to be detected; the detection line group is installed in the collecting part.
[0007] In the above embodiment, by configuring the water collecting box to be two parts, it is convenient to install the detection line group, and it is also convenient to more accurately install it on the device to be detected when water leakage detection is required.
[0008] In an optional embodiment, the size of the opening of the water collecting part is larger than the connecting part between the water collecting part and the collecting part.
[0009] In the above embodiment, the opening is set to be larger than the connection part between the water collecting part and the collecting part, so that the water collecting box can be more easily connected to the water leakage of the equipment to be detected.
[0010] In an optional embodiment, the collecting portion is provided with a first through hole and a second through hole, and the detection line group passes through the first through hole and the second through hole and is arranged in the collecting portion.
[0011] In an optional embodiment, the first sensing line is a sensing line formed of a conductive polymer; and the second sensing line is a sensing line formed of the conductive polymer.
[0012] In the above embodiment, the sensing line is made of a conductive polymer, so that a short circuit can be formed more easily when the sensing line contacts water.
[0013] In an optional implementation, the resistance per unit length of the first sensing line is a specified value, and the resistance per unit length of the second sensing line is the specified value.
[0014] In the above implementation, the resistance per unit length of the sensing line is set to a specified value so that the resistance is related to the length, so that the location of the fault leakage point can be obtained by measurement and calculation based on the circuit data detected by the acquisition component.
[0015] In an optional implementation, it further includes: a processor, which is used to work with the acquisition component to process the circuit data acquired by the acquisition component; the communication unit is connected to the processor, and is used to send the data processed by the processor to an external control device.
[0016] In the above implementation, by providing a processor, the calculation of the circuit data can be more conveniently implemented.
[0017] In an optional embodiment, applied to a converter valve or an energy storage valve, the water leakage detection device also includes: a power supply module, used to convert a first DC power supply output by a power module of the converter valve or the energy storage valve into a second DC power supply for powering each module of the water leakage detection device.
[0018] In an optional embodiment, the power supply module includes: a first redundant power supply module and a second redundant power supply module; the first redundant power supply module is used to convert the first DC power supply output by the first power module of the converter valve or the energy storage valve into a second DC power supply for powering the various modules of the water leakage detection device; the second redundant power supply module is used to convert the first DC power supply output by the second power module of the converter valve or the energy storage valve into a second DC power supply for powering the various modules of the water leakage detection device.
[0019] In the above implementation, the power provided by the power module of the converter valve or the energy storage valve can be directly converted into a power source that can be used by the water leakage detection device, thereby reducing the difficulty of power supply access.
[0020] In a second aspect, the utility model provides a cooling device, comprising a cooling circuit and a water leakage detection device as described in any one of the aforementioned embodiments; wherein, the cooling circuit comprises cooling pipes, and the water leakage detection device is arranged at the joints between the cooling pipes.
[0021] In an optional embodiment, the cooling circuit includes a plurality of cooling tubes, and the water leakage detection device is disposed between two adjacent cooling tubes.
[0022] In a third aspect, the utility model provides a converter valve, comprising the cooling device described in any one of the aforementioned embodiments.
[0023] In a fourth aspect, the utility model provides an energy storage valve, comprising the cooling device described in any one of the aforementioned embodiments.
[0024] In a fifth aspect, the utility model provides an energy storage system, comprising the energy storage valve described in the aforementioned embodiment. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 A block diagram of a water leakage detection device provided in an embodiment of the present application;
[0027] Figure 2 Another block diagram of the water leakage detection device provided in an embodiment of the present application;
[0028] Figure 3 A schematic diagram of the structure of a detection line group of a water leakage detection device provided in an embodiment of the present application;
[0029] Figure 4 A schematic diagram of the structure of a water collecting box of a water leakage detection device provided in an embodiment of the present application;
[0030] Figure 5 A schematic diagram of the structure of a cooling device provided in an embodiment of the present application;
[0031] Figure 6 A schematic diagram of the structure of the energy storage valve provided in the embodiment of the present application;
[0032] Figure 7 A partial structural schematic diagram of the energy storage valve provided in an embodiment of the present application.
[0033] Icons: 110-detection line group; 111-first induction line; 112-second induction line; 113-first detection line; 114-second detection line; 115-first circuit; 116-second circuit; 120-water collection box; 121-water collection part; 1211-opening; 122-collection part; 1221-first through hole; 130-collection component; 140-processor; 150-communication unit; 151-optical fiber; 160-conversion unit; 171-first redundant power supply module; 172-second redundant power supply module; 210-cooling circuit; 211-cooling pipe; 300-energy storage valve; 310-power module; 320-electric wire. DETAILED DESCRIPTION
[0034] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.
[0036] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.
[0037] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0038] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0039] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).
[0040] In the description of the embodiments of the present application, the orientations or positional relationships indicated by technical terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.
[0041] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0042] The new high-voltage direct-mounted energy storage technology integrates the voltage source converter (VSC) converter valve with the DC energy storage valve, and has the advantages of high modularity, good economic benefits, and high operational reliability. The energy storage valve is the core equipment of the high-voltage DC direct-mounted energy storage system and is the core functional unit for realizing battery charging and discharging. Since the energy storage valve may heat up during use, it is necessary to cool the energy storage valve, and the energy storage valve is generally cooled with pure water. In order to protect the energy storage valve and improve the safety of the energy storage valve, it is necessary to detect whether there is any water leakage in the cooling device of the energy storage valve. In order to avoid leakage problems causing larger failures, it is necessary to monitor the leakage of cooling water earlier.
[0043] In order to detect whether the valve tower of the high-voltage DC direct-mounted energy storage valve is leaking, a leakage detection device can be installed at the lowest point in the shielding cover at the bottom of the valve tower. When the valve tower of the converter valve leaks, the leaked water will drip into the shielding cover at the bottom of the valve tower. The current leakage detection device includes two optical signal transmission channels, one of which is a transmission optical path for transmitting optical signals, and the other is a return optical path for returning optical signals. The leakage detection device can also include a prism, and the emitted optical signal is fully emitted at the prism, and the optical signal is transmitted to the return optical path, and the return optical path feeds the optical signal back to the control system. When the accumulated water in the bottom shielding cover reaches the height of the highest optical signal refraction point on the prism, most of the optical signal will be refracted into the water, and the power of the returned optical signal will be greatly reduced, and the control system will issue a leakage alarm. However, the detection method of this detection device requires that water droplets from the energy storage valve fall into the shielding cover after the water leaks, and there must be a certain water accumulation height before the light signal will be refracted into the water and an alarm can be generated. When a small amount of water leakage occurs, the water level is lower than the refraction point and the leakage cannot be detected. Effective protective measures cannot be taken in time, and there are certain safety hazards.
[0044] Based on the above analysis, an embodiment of the present application provides a water leakage detection device, which can determine whether there is a water leakage by detecting changes in the circuit data of the wire group. It does not need to reach a certain amount of accumulated water, and can detect water leakage as long as the detection wire group at the bottom of the water collection box is wetted by water droplets.
[0045] The water leakage detection device provided in the embodiment of the present application can be used in, but is not limited to, an energy storage system. For example, the energy storage system can be a high-voltage direct-mounted energy storage system. An AC direct-mounted (MMC type) energy storage system, a DC direct-mounted energy storage system, an AC direct-mounted (cascaded) energy storage system, etc. A water leakage detection device disclosed in the present application can be used, which is conducive to timely detecting water leakage in the energy storage system and improving the safety of the energy storage system.
[0046] Figure 1 This is a schematic diagram of the structure of the water leakage detection device provided in the embodiment of the present application. Figure 1 As shown, the water leakage detection device may include a detection line set 110, a water collection box 120 (such as Figure 3 As shown), acquisition component 130 and communication unit 150.
[0047] The water leakage detection device provided in the embodiment of the present application can be applied to a high voltage environment. For example, the high voltage environment can refer to an environment of not less than 35KV. In some cases, the high voltage can also refer to an environment of not less than 10KV.
[0048] Exemplarily, the detection line group 110 includes a first sensing line 111 , a second sensing line 112 , a first detection line 113 , and a second detection line 114 , which are wound to form the detection line group 110 .
[0049] Alternatively, if Figure 3 As shown, a winding carrier may be provided, and the first sensing line 111 , the second sensing line 112 , the first detection line 113 , and the second detection line 114 may be wound around the winding carrier to form the detection line group 110 .
[0050] like Figure 1 As shown, the detection line group 110 is installed at the bottom of the water collecting box 120, and the water collecting box 120 can be used to be set at the detection position of the device to be detected.
[0051] The acquisition component 130 is connected to the detection line group 110 and is used to detect the circuit data of the detection line group 110. Exemplarily, the acquisition component 130 can be used to collect voltage data, current data and other data of the detection line group 110. The resistance value of the detection line group 110 can be calculated based on the voltage data and the current data.
[0052] The circuit data is used to determine whether there is water in the water collecting box 120 .
[0053] Exemplarily, the first sensing line 111 and the second sensing line 112 are conductive wire bundles, and after the first sensing line 111 and the second sensing line 112 are wetted by water, the first sensing line 111 and the second sensing line 112 can form a short circuit. The first sensing line 111 and the first detection line 113 can form a first loop 115, and the second sensing line 112 and the second detection line 114 can form a second loop 116.
[0054] When the first sensing line 111 and the second sensing line 112 are in a dry state, the first sensing line 111 and the second sensing line 112 cannot form a short circuit. In this state, the acquisition component 130 can detect the first circuit data of the detection line group 110. After the first sensing line 111 and the second sensing line 112 are wetted by water, the first sensing line 111 and the second sensing line 112 can form a short circuit. In this state, the acquisition component 130 can detect the second circuit data of the detection line group 110. By comparing the first circuit data and the second circuit data, it can be determined that the first sensing line 111 and the second sensing line 112 are wetted by water, so that the detection part of the device to be detected is leaking water.
[0055] In actual use, a set of standard circuit data can be stored in advance, and the standard circuit data can be the circuit data of the inspection line group collected when the first induction line 111 and the second induction line 112 are in a dry state, that is, when they are not short-circuited. When it is necessary to verify whether there is a water leak in the detection part of the device to be detected, the circuit data of the detection line group 110 collected in real time can be compared with the standard circuit data to determine whether there is a water leak in the detection part of the detection device.
[0056] Exemplarily, the above circuit data may be a resistance value. The acquisition component 130 may be used to detect the resistance of the detection line group 110; under normal circumstances, the resistance value between the detection line group 110 detected by the acquisition component 130 is a constant value. When water drops on the detection line group 110, the first sensing line 111 and the second sensing line 112 are short-circuited due to the conductivity of the water, causing a change in the resistance value of the loop where the entire detection line group 110 is located. The resistance value detected by the acquisition component 130 is different from the resistance value in the normal state.
[0057] Optionally, the communication unit 150 can achieve communication through optical communication, and the communication unit 150 can be an optical fiber 151. Figure 2 As shown, the communication unit 150 may also be connected to a conversion unit 160, and the conversion unit 160 is used to convert the electrical signal into an optical signal. Then, the optical signal is sent out through the optical fiber 151.
[0058] The optical fiber 151 can forward the optical signal converted by the conversion unit 160. For example, the optical signal can be forwarded to the control system of the device to be detected.
[0059] Optionally, the conversion unit 160 may adopt HFBR-1414APZ from AVAGO Company to convert the electrical signal obtained from the water leakage detection into an optical signal.
[0060] In this embodiment, optical fiber is used to realize communication, which can achieve effective electrical isolation between the device to be detected and its control system.
[0061] Through the above method, water leakage detection can be achieved only by detecting the resistance value. The implementation method is relatively simple and does not require a large amount of accumulated water to achieve water leakage detection. The water leakage detection is relatively more timely.
[0062] like Figure 4 As shown, the water collecting box 120 includes a water collecting portion 121 and a collecting portion 122 ; the water collecting portion 121 and the collecting portion 122 can be communicated.
[0063] An opening 1211 is arranged at one end of the water collecting portion 121 away from the collecting portion 122 . The opening 1211 is used to be arranged at a detection position of the device to be detected, and is used to receive water at the detection position of the detection device.
[0064] Optionally, the size of the opening 1211 of the water collecting part 121 is larger than the connection part between the water collecting part 121 and the collecting part 122. Exemplarily, the water collecting part 121 and the collecting part 122 may be hourglass-shaped. The opening 1211 of the water collecting part 121 may be one end of an hourglass. By setting the opening 1211 as a larger opening, it is easier to connect to the water leakage, thereby improving the accuracy of the water leakage detection.
[0065] The detection line set 110 is installed in the collection part 122 .
[0066] Optionally, the collecting portion 122 is provided with a first through hole 1221 and a second through hole, and the detection line group 110 passes through the first through hole 1221 and the second through hole and is arranged in the collecting portion 122 .
[0067] For example, a funnel-shaped water collection box 120 is arranged below the detection part of the device to be detected. When a water leakage problem occurs at the detection part, water will be collected in the water collection box 120. When a water leakage occurs, the detection line group 110 arranged at the bottom of the water collection box 120 can be used to determine whether a water leakage occurs by the resistance value of the detection line group 110. Thus, fast and accurate water leakage information can be provided for the operation of the device to be detected.
[0068] The above embodiments can realize the detection of water leakage. In actual use, in order to better maintain the safety of the equipment to be detected, it is also necessary to determine the location of the water leakage. Based on this requirement, the first sensing line 111 can be a sensing line formed by a conductive polymer; the second sensing line 112 can also be a sensing line formed by a conductive polymer.
[0069] Optionally, the resistance per unit length of the first sensing line 111 is the same as the resistance per unit length of the second sensing line 112. The resistance per unit length of the first sensing line 111 may be a specified value, and the resistance per unit length of the second sensing line 112 may also be a specified value.
[0070] Exemplarily, the first detection line 113 and the second detection line 114 are wires. When the first sensing line 111 and the second sensing line 112 encounter water, the two conductive polymers are short-circuited. Figure 3 As shown, two detection lines and two sensing lines can form two loops. Since the resistance per unit length of the first sensing line 111 and the resistance per unit length of the second sensing line 112 are both specified values, and the resistance is related to the length, the change in the resistance of the detection line group 110 can determine the location where the short circuit occurs, and the location where the fault leakage occurs can be obtained by calculating the resistance value of the detection line group 110.
[0071] In order to facilitate data processing, the water leakage detection device may further include a processor 140 for processing the circuit data collected by the collection component 130 together with the collection component 130 .
[0072] The communication unit 150 may be connected to the processor 140 to send the data processed by the processor 140 to an external control device.
[0073] The acquisition component 130 , the processor 140 and the conversion unit 160 in this embodiment can form a water leakage detection component for realizing water leakage monitoring based on monitoring of the circuit data of the detection line group 110 .
[0074] In order to make the water leakage detection device work more effectively, the water leakage detection device may further include a power supply module for converting the connected first DC power supply into a second DC power supply for supplying power to each module of the water leakage detection device.
[0075] Exemplarily, the first DC power supply may be a power supply connected from a power module in a detection object of the water leakage detection device. The first DC power supply may be a power supply higher than 5V, and the second DC power supply may be a 5V DC power supply.
[0076] For example, the detection object of the water leakage detection device may be a converter valve. Then the power module may be used to convert the first DC power output by the power module of the converter valve into a DC power supply of 5V for supplying power to each module of the water leakage detection device.
[0077] For example, the detection object of the water leakage detection device may be an energy storage valve. Then the power module may be used to convert the DC power output by the power module of the energy storage valve into a DC power supply of 5V for supplying power to each module of the water leakage detection device.
[0078] In order to better supply power to the water leakage detection device, the power supply module may include a first redundant power supply module and a second redundant power supply module.
[0079] When the first redundant power supply module fails, the second redundant power supply module can supply power to each module of the water leakage detection device; when the second redundant power supply module fails, the first redundant power supply module can supply power to each module of the water leakage detection device.
[0080] Optionally, the first redundant power supply module and the second redundant power supply module can be connected to power modules different from the detection object of the water leakage detection device. For example, the detection object of the water leakage detection device can be a storage valve, and the first redundant power supply module is connected to the first power module of the storage valve to obtain power. The second redundant power supply module is connected to the second power module of the storage valve to obtain power. For example, the detection object of the water leakage detection device can be a converter valve, and the first redundant power supply module is connected to the first power module of the converter valve to obtain power. The second redundant power supply module is connected to the second power module of the converter valve to obtain power.
[0081] In the embodiment of the present application, water leakage detection is realized by using a water leakage detection line. The design of the water leakage detection water collection box 120 and the arrangement of the water leakage detection line cooperate with the collection component 130 in the water leakage detection device to improve the sensitivity of water leakage detection and realize the positioning of the water leakage position.
[0082] The present application embodiment may also provide a cooling device, such as Figure 5 As shown, the cooling device may include a cooling circuit 210 and a water leakage detection device.
[0083] The cooling circuit 210 includes cooling pipes 211, and the water leakage detection device is arranged at the joints between the cooling pipes 211. The cooling pipes 211 are filled with cold water to cool down other equipment.
[0084] The water leakage detection device is similar to the water leakage detection device provided in the aforementioned embodiment. For other details about the water leakage detection device in the embodiment of the present application, please refer to the description in the aforementioned embodiment, which will not be repeated here.
[0085] Optionally, the cooling circuit 210 includes a plurality of cooling tubes 211 , and a water leakage detection device is provided between two adjacent cooling tubes 211 .
[0086] Optionally, the cooling circuit 210 includes a plurality of cooling tubes 211 , and a water collecting box 120 of a water leakage detection device is disposed between two adjacent cooling tubes 211 , and a detection line group 110 of the water leakage detection device passes through a collection portion 122 of each water collecting box 120 .
[0087] The embodiment of the present application may further provide an energy storage valve, and the energy storage valve 300 may further include a cooling device.
[0088] like Figure 6 and 7As shown, the energy storage valve 300 may further include a power module 310 and an electric wire 320 .
[0089] The power module of the water leakage detection device described above can be used to convert the DC power 220V output by the power module 310 of the energy storage valve 300 into a DC power 5V for supplying power to various modules of the water leakage detection device.
[0090] The cooling device is similar to the cooling device provided in the aforementioned embodiment. For other details about the cooling device in the embodiment of the present application, please refer to the description in the aforementioned embodiment, which will not be repeated here.
[0091] Optionally, the energy storage valve may be a high voltage direct current direct-mounted energy storage valve.
[0092] Optionally, after the water leakage detection device detects the water leakage information, the water leakage information can be sent to the valve based control system (VBC) by optical communication. The sending protocol can adopt IEC60044-8, which is convenient for seamless connection with the valve based control system. The use of optical communication can achieve effective electrical isolation between the energy storage valve and the VBC control system.
[0093] The induction wire provided in the embodiment of the present application realizes the water leakage detection of the cooling device of the energy storage valve. The water leakage induction wire has a high sensitivity, thereby improving the sensitivity of the water leakage detection of the energy storage valve, and even a small amount of dripping water can be detected in time; the water leakage position can also be detected. It can provide the energy storage valve control system with timely and reliable water cooling system operation status.
[0094] The embodiment of the present application may also provide a converter valve, which may also include a cooling device.
[0095] The cooling device is similar to the cooling device provided in the aforementioned embodiment. For other details about the cooling device in the embodiment of the present application, please refer to the description in the aforementioned embodiment, which will not be repeated here.
[0096] The embodiment of the present application may also provide an energy storage system, which may include an energy storage valve.
[0097] The energy storage valve is similar to the energy storage valve provided in the aforementioned embodiment. For other details about the energy storage valve in the embodiment of the present application, please refer to the description in the aforementioned embodiment, which will not be repeated here.
[0098] Exemplarily, the energy storage system may be a high-voltage direct current direct-mounted energy storage system. The high-voltage direct current direct-mounted energy storage system may include a plurality of energy storage submodules.
[0099] In the above-mentioned embodiments of the energy storage system and the energy storage valve, water leakage detection can be implemented, which can improve the safety of the energy storage system and thus increase the service life of the energy storage system.
[0100] The above description is only an optional embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0101] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A water leakage detection device, characterized in that: Applied in a high-pressure environment, the water leakage detection device comprises: a detection line group, a water collection box, a collection component and a communication unit; The detection line group includes a first sensing line, a second sensing line, a first detection line, and a second detection line, and the first sensing line, the second sensing line, the first detection line, and the second detection line are wound to form the detection line group; The detection line group is installed at the bottom of the water collecting box; The acquisition component is connected to the detection line group and is used to detect the circuit data of the detection line group, wherein the circuit data is used to determine whether there is water in the water collection box; The communication unit is used to convert the electrical signal of the detection result of the circuit data into an optical signal and send it to an external control device.
2. The water leakage detection device according to claim 1, characterized in that: The water collection box comprises a water collection part and a collection part; The water collecting part is in communication with the collecting part, and the water collecting box is used to be arranged at the detection position of the device to be detected; An opening is arranged at one end of the water collecting part away from the collecting part, and the opening is used to be arranged at a detection part of the device to be detected, and is used to collect water at the detection part of the device to be detected; The detection line group is installed on the collection part.
3. The water leakage detection device according to claim 2, characterized in that: The size of the opening of the water collecting part is larger than the connecting part between the water collecting part and the collecting part.
4. The water leakage detection device according to claim 2, characterized in that: The collecting portion is provided with a first through hole and a second through hole, and the detection line group passes through the first through hole and the second through hole and is arranged in the collecting portion.
5. The water leakage detection device according to claim 1, characterized in that: The first sensing line is a sensing line formed by a conductive polymer; and the second sensing line is a sensing line formed by the conductive polymer.
6. The water leakage detection device according to claim 5, characterized in that: The resistance per unit length of the first sensing line is a specified value, and the resistance per unit length of the second sensing line is the specified value.
7. The water leakage detection device according to claim 1, characterized in that: Also includes: A processor, used to work with the acquisition component to process the circuit data acquired by the acquisition component; The communication unit is connected to the processor and is used to send the data processed by the processor to an external control device.
8. The water leakage detection device according to any one of claims 1 to 7, characterized in that: Applied to a converter valve or an energy storage valve, the water leakage detection device also includes: a power supply module, which is used to convert a first DC power supply output by a power module of the converter valve or the energy storage valve into a second DC power supply for supplying power to each module of the water leakage detection device.
9. The water leakage detection device according to claim 8, characterized in that: The power supply module comprises: a first redundant power supply module and a second redundant power supply module; The first redundant power supply module is used to convert the first DC power supply output by the first power module of the converter valve or the energy storage valve into a second DC power supply for supplying power to each module of the water leakage detection device; The second redundant power supply module is used to convert the first DC power supply output by the second power module of the converter valve or the energy storage valve into a second DC power supply for supplying power to each module of the water leakage detection device.
10. A cooling device, characterized in that: comprising a cooling circuit and a water leakage detection device according to any one of claims 1 to 8; Wherein, the cooling circuit includes cooling pipes, and the water leakage detection device is arranged at the joints between the cooling pipes.
11. The cooling device according to claim 10, characterized in that: The cooling circuit comprises a plurality of cooling pipes, and the water leakage detection device is arranged between two adjacent cooling pipes.
12. A flow control valve, characterized in that: Comprising the cooling device according to any one of claims 10-11.
13. An energy storage valve, characterized in that: Comprising the cooling device according to any one of claims 10-11.
14. An energy storage system, characterized in that: Including the energy storage valve as described in claim 13.