CN218101351U

CN218101351U - Insulation structure for all-vanadium redox flow battery

Info

Publication number: CN218101351U
Application number: CN202221999218.9U
Authority: CN
Inventors: 汪澍; 张平; 杜康
Original assignee: Hangzhou Lide Machinery Equipment Co ltd
Current assignee: Hangzhou Lide Machinery Equipment Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-20
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses an insulation structure for an all-vanadium redox flow battery, which comprises a copper pipe and a metal pipe connected with the copper pipe; it is characterized in that a sealing insulating connecting piece is connected between the copper pipe and the metal pipe; the sealing insulating connecting piece comprises an insulating tube and sealing rings arranged at two ends of the insulating tube; two ends of the insulating tube are respectively connected with the copper tube and the metal tube; and the sealing rings at the two ends are respectively positioned at the connecting parts of the copper pipe and the insulating pipe and the connecting parts of the metal pipe and the insulating pipe. The utility model discloses a setting of sealed insulating module, electron in the electrolyte jar can not remove outside pipeline again on to guarantee outside pipeline no longer electrified, guarantee people and do not have the risk of electrocuteeing when using again, thereby protect people, and improve insulating module's leakproofness, improve insulating module and copper union coupling's leakproofness, prevent that electrolyte from leaking, guarantee the safety when using.

Description

Insulation structure for all-vanadium redox flow battery

Technical Field

The utility model relates to an all vanadium redox flow battery technical field, concretely relates to an insulation system for all vanadium redox flow battery.

Background

The all-vanadium redox flow battery is a redox battery with active substances in a circulating flow liquid state. The vanadium battery electric energy is stored in sulfuric acid electrolyte of vanadium ions with different valence states in a chemical energy mode.

The existing all-vanadium redox flow battery comprises an electrolyte tank with positive and negative poles, a water pump, a middle electric pile and a copper pipe for the inlet and outlet of cooling liquid. When the device works, electrons of vanadium ions in the electrolyte tanks of the positive electrode and the negative electrode move to enable the electrolyte tank to be electrified, so that a copper pipe connected with the electrolyte tank is electrified, the copper pipe is connected with an external metal pipeline to enable the external pipeline to be electrified, people have electric shock danger in use, insulators are added at the joints of the copper pipe and the external pipeline in some factories for insulation protection, but the sealing performance among the insulators, the copper pipe and the external pipeline is poor, cooling liquid leakage is caused, and potential safety hazards are generated. Therefore the utility model provides an insulation system for making perfect vanadium redox flow battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can insulate outside pipeline, and the good insulation system of leakproofness and put forward an insulation system for all vanadium redox flow battery.

In order to achieve the purpose, the utility model provides an insulation structure for an all-vanadium redox flow battery, which comprises a copper pipe and a metal pipeline connected with the copper pipe; a sealing insulating connecting piece is connected between the copper pipe and the metal pipeline; the sealing insulating connecting piece comprises an insulating tube and sealing rings arranged at two ends of the insulating tube; two ends of the insulating pipe are respectively connected with the copper pipe and the metal pipeline; and the sealing rings at the two ends are respectively positioned at the connecting parts of the copper pipe and the insulating pipe and the connecting parts of the metal pipeline and the insulating pipe.

Optionally, the sealing insulation connector further comprises clamping bands mounted at two ends of the insulation pipe.

Optionally, both ends of the insulating tube are provided with grooves; the sealing ring is arranged in the groove.

Optionally, the copper pipe and the insulating pipe, and the insulating pipe and the metal pipeline are connected by threads.

Optionally, the inner diameters of the copper pipe, the insulating pipe and the metal pipeline are the same.

Optionally, nuts are arranged on the copper pipe and the metal pipe.

Compared with the prior art, the utility model provides an insulation system for making perfect vanadium redox flow battery possesses following beneficial effect:

1. this an insulation system for full vanadium redox flow battery, through the setting of insulating tube, make the electron in the electrolyte jar can not remove again with outside pipeline to the metal pipe way of being connected to guarantee again that the outside pipeline that is used for the coolant liquid to flow no longer electrified, guarantee that people do not have the risk of electrocuting when using, thereby protect people.

2. This an insulation system for all vanadium redox flow battery, through the setting of sealing washer, copper pipe and insulating tube, metal pipeline with carry on when revolving, can extrude the sealing washer and make the sealing washer produce deformation, fill the gap of copper pipe and insulating tube, insulating tube and metal tube junction to improve insulating assembly's leakproofness, prevent that the coolant liquid from leaking, guarantee safe in utilization.

3. This an insulation system for all vanadium redox flow battery, through the setting of clamp, the back is closed soon with insulating tube, insulating tube and tubular metal resonator to copper pipe, insulating tube and tubular metal resonator, and the rethread clamp is tightly hooped the insulating tube port, makes the insulating tube and copper pipe, insulating tube and tubular metal resonator close closely soon to improve the leakproofness of junction, prevent that the coolant liquid from leaking, guarantee safe in utilizationly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a sectional view of the insulating tube of the present invention.

The following are marked in the figure: 1. a copper pipe; 2. a metal tube; 3. sealing the insulated connecting piece; 31. an insulating tube; 311. a groove; 32. a seal ring; 33. clamping a hoop; 4. and a nut.

Detailed Description

The following detailed description and specific examples are described in connection with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms without departing from the spirit or essential characteristics thereof, which should not be construed as limited to the embodiments set forth herein.

The utility model relates to an insulation system for all vanadium redox flow battery can be applicable to occasions such as all vanadium redox flow battery's electrolyte tank, also can be used to other similar application scenes certainly, uses an insulation system for all vanadium redox flow battery to describe in detail below as an example.

Referring to fig. 1-3, an insulation structure for an all-vanadium redox flow battery comprises a copper tube 1 and a metal tube 2 connected with the copper tube 1; a sealing insulating connecting piece 3 is connected between the copper pipe 1 and the metal pipe 2; the utility model discloses a copper pipe 1 that is connected with the heat exchange tube in the electrolyte jar and the tubular metal resonator 2 that is connected with outside pipeline in the sealed insulation connecting piece 3 connects and inserts the electrolyte jar blocks the electron in the electrolyte jar, makes its unable tubular metal resonator 2 that gets into and outside tube coupling to insulate, and seal insulating tube 31 and copper pipe 1, insulating tube 31 and tubular metal resonator 2's junction, prevent that the electrolyte from leaking, thereby guarantee safe in utilizationly.

Referring to fig. 1-2, the sealing and insulating connector 3 includes an insulating tube 31, sealing rings 32 installed at both ends of the insulating tube 31, and clips 33 installed at both ends of the insulating tube 31; wherein, two ends of the insulating tube 31 are respectively connected with the copper tube 1 and the metal tube 2, and the joint of the insulating tube and the metal tube is also provided with a sealing ring 32; the utility model uses the insulating tube 31 to connect the copper tube 1 connected with the electrolytic solution tank and the metal tube 2 connected with the external pipeline, and the insulating tube 31 has insulating property, so that electrons in the electrolytic solution tank can not move to the external pipeline, thereby ensuring that the external pipeline is not electrified any more, ensuring that people can not have electric shock risk when in use, and protecting people; through the arrangement of the sealing ring 32, when the two ends of the insulating tube 31 are screwed with the copper tube 1 and the insulating tube 31 and the metal tube 2, the sealing ring 32 is extruded to deform, and gaps existing at the joints of the insulating tube 31 and the copper tube 1 and the joints of the insulating tube 31 and the metal tube 2 are filled, so that the sealing performance of the joints is improved, the electrolyte is prevented from leaking from the joints, potential safety hazards are avoided, and the use safety of the all-vanadium redox flow battery is ensured; through the setting of clamp 33, close the back at insulating tube 31 and copper pipe 2 soon, clamp 33 carries out the lock ring to insulating tube 31 port, because insulating tube 31 is made by PEEK plastic materials, has certain deformation volume, and clamp 33 makes insulating tube 31 produce certain deformation, makes insulating tube 31 and copper pipe 2 close inseparabler soon, and the gap of junction still less to improve the leakproofness of junction, prevent that electrolyte from leaking, guarantee safe in utilization.

Referring to fig. 1-3, in the present invention, a groove 311 for limiting the installation position of the sealing ring 32 is provided in the insulating tube 31, and when the sealing ring 32 contacts with the bottom of the groove 311, the installation of the sealing ring 32 is in place, which is simple and convenient to operate.

In the utility model, the bearable temperature range of the insulating tube 31 is-50 ℃ to 80 ℃, so that the insulating tube 31 can be normally used at room temperature; the bearable pressure of the insulating tube 31 is more than or equal to 1.5 MPa, so that the insulating tube 31 cannot be broken due to overlarge pressure; the resistance is more than 1 megohm, so that the insulativity of the cable is ensured; among the existing materials, the PEEK material meets the requirements, so the insulating tube 31 is made of the PEEK material.

Referring to fig. 1 to 3, in the present invention, the copper pipe 1 and the insulating pipe 31, and the insulating pipe 31 and the metal pipe 2 are connected by threads; the inner diameters of the copper pipe 1, the insulating pipe 31 and the metal pipe 2 are the same; the copper pipe 1 and the metal pipe 2 are both fixedly provided with nuts 4; the utility model connects the copper pipe 1 with the insulating pipe 31 and the insulating pipe 31 with the metal pipe 2 in a threaded connection mode, the operation is simple and convenient, and the installation efficiency is improved; the inner diameters of the copper pipe 1, the insulating pipe 31 and the metal pipe 2 are all set to be the same, so that the change of the flow rate and the pressure of the cooling liquid caused by the change of the inner diameter in an internal pipeline is prevented, and the influence of the change of the flow rate and the pressure of the cooling liquid on the operation of an external cooling device is avoided; through the setting of nut 4, be convenient for copper pipe 1 and tubular metal resonator 2 to install on insulating tube 31, be convenient for with the tightening of copper pipe 1 and tubular metal resonator 2.

Referring to fig. 1-3, the utility model discloses an operating principle does, when electrolyte gets into the electrolyte tank, because copper pipe 1 can be connected with the heat exchange tube in the electrolyte tank, and the heat exchange tube can conduct electricity for the metal material, lead to partial electron to remove to the copper pipe 1 of being connected with the heat exchange tube along the heat exchange tube in, cause copper pipe 1 to be electrified, but the coolant liquid in the heat exchange tube is freon, can not electrically conduct, consequently, when the electron removes insulating tube 31, the electron receives to block and can't continue to remove, and the tubular metal resonator 2 of being connected with outside pipeline just can not receive the influence of the electron in the copper pipe 1, just no electron in its subsequent outside pipeline, the user just can not be electrocuted during the use, safety to the user provides the guarantee.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. An insulation structure for an all-vanadium redox flow battery comprises a copper pipe (1) and a metal pipe (2) connected with the copper pipe (1); it is characterized in that a sealing insulating connecting piece (3) is connected between the copper pipe (1) and the metal pipe (2); the sealing insulating connecting piece (3) comprises an insulating pipe (31) and sealing rings (32) arranged at two ends of the insulating pipe (31); two ends of the insulating tube (31) are respectively connected with the copper tube (1) and the metal tube (2); and the sealing rings (32) at the two ends are respectively positioned at the connecting parts of the copper pipe (1) and the insulating pipe (31) and the metal pipe (2) and the insulating pipe (31).

2. An insulation structure for an all-vanadium flow battery according to claim 1, wherein the sealing insulation connector (3) further comprises a clamping band (33) mounted at both ends of the insulation tube (31).

3. The insulation structure for the all-vanadium flow battery according to claim 1, wherein both ends of the insulation tube (31) are provided with grooves (311); the sealing ring (32) is arranged in the groove (311).

4. The insulation structure for the all-vanadium redox flow battery according to claim 1, wherein the copper tube (1) and the insulation tube (31) and the metal tube (2) are connected in a threaded manner.

5. The insulation structure for the all-vanadium flow battery according to claim 4, wherein the inner diameters of the copper tube (1), the insulation tube (31) and the metal tube (2) are the same.

6. The insulation structure for the all-vanadium redox flow battery according to claim 5, wherein nuts (4) are arranged on the copper pipe (1) and the metal pipe (2).