CN217238211U - Connecting joint and testing device - Google Patents
Connecting joint and testing device Download PDFInfo
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- CN217238211U CN217238211U CN202220090783.7U CN202220090783U CN217238211U CN 217238211 U CN217238211 U CN 217238211U CN 202220090783 U CN202220090783 U CN 202220090783U CN 217238211 U CN217238211 U CN 217238211U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model relates to a connector, including diversion assembly, internal resistance test line, voltage test line, load test line and temperature test line, diversion assembly is used for being connected with the test end of pile, and internal resistance test line, voltage test line, load test line and temperature test line all connect between diversion assembly and accredited testing organization. Through setting up foretell attach fitting, internal resistance test wire, voltage test wire, load test wire and temperature test wire all are connected with guiding subassembly and accredited testing organization, when testing the pile, only need with the guiding subassembly with the test end of pile be connected can, it is more convenient, improved connection efficiency effectively, can realize many test wires and the quick butt joint of the test end of pile. The utility model discloses still relate to a testing arrangement.
Description
Technical Field
The utility model relates to a fuel cell test equipment technical field especially relates to a attach fitting and testing arrangement.
Background
With the increasing of hydrogen energy and fuel cell investment of large enterprises, the annual output of the galvanic pile serving as a power generation core is gradually increased, and how to rapidly perform various tests on the galvanic pile becomes a key development direction of test board manufacturers. However, in the current fuel cell testing process, the pipeline butt joint and the load and other testing lines butt joint are required, wherein the testing line butt joint comprises a load testing line, an internal resistance testing line, a galvanic pile voltage testing line, a terminal temperature measurement and the like, each testing line is independently butt joint with a testing end of a galvanic pile, time and labor are consumed, and the butt joint efficiency is low.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a connection structure and a testing device capable of rapidly docking a plurality of test lines with a testing end of a stack, aiming at the problem that the existing docking efficiency of the plurality of test lines with the testing end of the stack is low.
A connection fitting comprising:
the flow guide assembly is used for being connected with the test end of the galvanic pile;
the internal resistance test line is connected with the flow guide assembly;
the voltage test wire is connected with the flow guide assembly;
the load test line is connected with the flow guide assembly; and
the temperature test line is connected with the flow guide assembly;
the internal resistance test line, the voltage test line, the load test line and the temperature test line are also connected with a test mechanism.
Through setting up foretell attach fitting, internal resistance test wire, voltage test wire, load test wire and temperature test wire all are connected with guiding subassembly and accredited testing organization, when testing the pile, only need with the guiding subassembly with the test end of pile be connected can, it is more convenient, improved connection efficiency effectively, can realize many test wires and the quick butt joint of the test end of pile.
In one embodiment, the connection joint comprises an installation component and a compression component, the flow guide component and the compression component are arranged on the installation component, and the compression component is used for compressing the testing end of the galvanic pile onto the flow guide component so as to connect the flow guide component with the testing end of the galvanic pile.
In one embodiment, the mounting assembly has a mounting space, a connecting space communicated with the mounting space, and a wire inlet, the flow guide assembly is mounted in the mounting space, and a part of the flow guide assembly extends into the connecting space, the pressing assembly is used for pressing a testing end of the cell stack extending into the connecting space onto the flow guide assembly, and the internal resistance testing wire, the voltage testing wire, the load testing wire and the temperature testing wire are all arranged through the wire inlet and connected with the flow guide assembly.
In one embodiment, the mounting assembly comprises a bottom plate and a cover plate, the bottom plate is provided with the mounting space, and the cover plate is arranged on the bottom plate and encloses with the bottom plate to form the connecting space and the wire inlet;
the compressing assembly is arranged on the cover plate and is provided with a compressing end, and the compressing end is configured to operably extend into the connecting space so as to compress the testing end of the galvanic pile extending into the connecting space to the flow guide assembly.
In one embodiment, the mounting assembly further includes a fixing plate connected to the bottom plate to fix the flow guide assembly to the bottom plate, the bottom plate and the fixing plate enclose the mounting space and the wire inlet, the cover plate and the fixing plate enclose the connecting space, and the flow guide assembly partially penetrates through the fixing plate and extends into the connecting space.
In one embodiment, the connection joint further comprises a connector connected to the mounting assembly, the connector being configured to connect to a balancer.
In one embodiment, the connection joint further comprises a handle member fixedly attached to the mounting assembly.
In one embodiment, the flow guide assembly comprises a positive flow guide block and a negative flow guide block, the positive flow guide block is used for being connected with a positive electrode of a test end of the electric pile, the negative flow guide block is used for being connected with a negative electrode of the test end of the electric pile, and the positive flow guide block and the negative flow guide block are connected with the internal resistance test line, the voltage test line, the load test line and the temperature test line.
In one embodiment, the connection joint further comprises a plurality of locking bolts, and the internal resistance test line, the voltage test line, the load test line and the temperature test line are all connected with the flow guide assembly through the locking bolts.
A testing device comprises the connecting joint.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection joint according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the connection joint shown in FIG. 1;
fig. 3 is a schematic view of a portion of the connection joint shown in fig. 1.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to 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, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
As shown in fig. 1 to 3, an embodiment of the present invention provides a connector 100, which includes a diversion assembly 10, an internal resistance test line 21, a voltage test line 22, a load test line 23, and a temperature test line 24.
The current guide assembly 10 is used for being connected with a test end of the galvanic pile, and the internal resistance test line 21, the voltage test line 22, the load test line 23 and the temperature test line 24 are simultaneously connected with the current guide assembly 10 and the test mechanism.
Through setting up foretell attach fitting, internal resistance test wire 21, voltage test wire 22, load test wire 23 and temperature test wire 24 all are connected with water conservancy diversion subassembly 10 and accredited testing organization, when testing the pile, only need with water conservancy diversion subassembly 10 with the test end of pile be connected can, it is more convenient, improved connection efficiency effectively, can realize many test wires and the quick butt joint of the test end of pile.
In some embodiments, the connection joint further includes a mounting assembly 30 and a pressing assembly 40, the flow guide assembly 10 and the pressing assembly 40 are disposed on the mounting assembly 30, and the pressing assembly 40 is used for pressing the testing end of the stack onto the flow guide assembly 10, so that the flow guide assembly 10 is connected with the testing end of the stack.
In order to facilitate understanding of the technical solutions of the above embodiments, the connection manner of the existing test line is described here:
the existing connection mode of the test wires mainly comprises crocodile clip type and a connection lug, wherein for the crocodile clip type, each test wire is connected through the crocodile clip, and then the crocodile clip is clipped at a galvanic pile test end, and the problem of the mode is that the contact is not enough, so that the clip is easy to fall off; and to the wiring nose, specifically compress tightly the test wire through the copper nose, fix to the pile test on holding through the bolt again, the problem that this mode exists is that the elasticity bolt is more troublesome when changing the pile, also has the problem that easily drops simultaneously.
In this embodiment, the compressing assembly 40 can compress the testing end of the stack on the current guiding assembly 10, so as to ensure that the testing end of the stack is stably connected with the current guiding assembly 10, thereby preventing the current guiding assembly 10 and the testing end of the stack from falling off. In addition, the connection joint in the embodiment can realize the connection of the internal resistance test line 21, the voltage test line 22, the load test line 23 and the temperature test line 24 with the test end of the cell stack only by pressing the test end of the cell stack on the flow guide assembly 10 through the pressing assembly 40, so that the cell stack is more convenient to replace.
In some embodiments, the installation assembly 30 has an installation space, a connection space 31 and a wire inlet 32, the connection space is communicated with the installation space, the current guiding assembly 10 is installed in the installation space and partially extends into the connection space 31, the pressing assembly 40 is used for pressing the testing end of the stack extending into the connection space 31 onto the current guiding assembly 10, and the internal resistance testing wire 21, the voltage testing wire 22, the load testing wire 23 and the temperature testing wire 24 are all arranged through the wire inlet 32 and connected with the current guiding assembly 10.
It is understood that the test end of the stack is connected to the current guide assembly 10 by extending into the connection space 31, and the internal resistance test wire 21, the voltage test wire 22, the load test wire 23 and the temperature test wire 24 are connected to the current guide assembly 10 in the installation space, and have external insulation after extending from the connection ports, and the installation assembly 30 may be made of an insulating material as a whole. Therefore, the exposed parts of the connecting joints are all made of insulating materials, no metal part leaks, and the potential safety hazard of electric shock caused by manual misoperation is effectively avoided.
In some embodiments, the mounting assembly 30 includes a bottom plate 33 and a cover plate 34, the flow guiding element 10 is disposed on the bottom plate 33, the cover plate 34 is disposed on the bottom plate 33 and encloses the connecting space 31 with the bottom plate 33, the flow guiding element 10 partially extends into the connecting space 31, and the testing end of the cell stack can extend into the connecting space 31 to connect with the portion of the flow guiding element 10 extending into the connecting space 31.
Further, a pressing assembly 40 is disposed on the cover plate 34, and the pressing assembly 40 has a pressing end configured to operatively extend into the connecting space 31 to press the testing end of the stack extending into the connecting space 31 against the current guiding assembly 10.
In practical applications, the mounting assembly 30 further includes a fixing plate 35, the fixing plate 35 is connected to the bottom plate 33 to fix the air guiding assembly 10 to the bottom plate 33, the cover plate 34 and the fixing plate 35 enclose the connecting space 31, and the air guiding assembly 10 partially penetrates through the fixing plate 35 and extends into the connecting space 31.
It can be understood that the installation space and the wire inlet 32 are defined by the fixing plate 35 and the cover plate 34, the connection space 31 is defined by the fixing plate 35 and the cover plate 34, and the fixing plate 35 is provided with corresponding through holes for the diversion assembly 10 to partially extend into the connection space 31.
In some embodiments, the clamping assembly 40 includes a connecting block 41, a clamping block, a guide pin 42, and a clamp 43, the connecting block 41 is fixedly connected to the cover plate 34, the guide pin 42 is fixedly connected to the connecting block 41 and extends along the arrangement direction of the fixing plate 35 and the cover plate 34, the clamping block is slidably connected to the guide pin 42, the clamping block has the clamping end, and the clamp 43 is connected between the connecting block 41 and the clamping block for driving the clamping block to approach or move away from the fixing plate 35 so as to clamp or release the testing end of the stack.
In some embodiments, the connection joint further includes a connector 50, the connector 50 is connected to the mounting assembly 30, and the connector 50 is used to connect with the balancer, thereby facilitating adjustment of the position of the connection joint, ensuring that the connection joint is aligned with the test end of the stack, so that the test end of the stack can accurately protrude into the connection space 31.
In practice, the connecting member 50 is a ring, and includes two rings, both of which are connected to the cover plate 34.
In some embodiments, the connection joint further includes a handle member 60, the handle member 60 being fixedly attached to the mounting assembly 30 to facilitate movement of the connection joint by an operator via the handle member 60. In practice, the handle member 60 is fixedly attached to the cover 34.
In some embodiments, the current guiding assembly 10 includes a positive current guiding block 11 and a negative current guiding block 12, the positive current guiding block 11 is used for connecting with a positive electrode of a testing end of the stack, the negative current guiding block 12 is used for connecting with a negative electrode of the testing end of the stack, and both the positive current guiding block 11 and the negative current guiding block 12 are connected with the testing mechanism through an internal resistance testing line 21, a voltage testing line 22, a load testing line 23 and a temperature testing line 24.
It is understood that the internal resistance test line 21, the voltage test line 22, the load test line 23, and the temperature test line 24 each include two lines to be connected between the positive electrode current guide block 11 and the test mechanism and between the negative electrode current guide block 12 and the test mechanism, respectively.
It should be noted that, in the present embodiment, the mounting assembly 30 has two wire inlets 32, the two wire inlets 32 correspond to the positive diversion block 11 and the negative diversion block 12, respectively, while in other embodiments, only one wire inlet 32 may be provided and correspond to the positive diversion block 11 and the negative diversion block 12 at the same time, that is, the two internal resistance test wires 21, the two voltage test wires 22, the two load test wires 23, and the two temperature test wires 24 all enter through one wire inlet 32.
In some embodiments, the connection joint further comprises a plurality of locking bolts 70, and the internal resistance test line 21, the voltage test line 22, the load test line 23 and the temperature test line 24 are connected with the current guiding assembly 10 through the locking bolts 70.
It should be explained that, after the internal resistance test line 21, the voltage test line 22, the load test line 23 and the temperature test line 24 are connected to the current guide assembly 10 through the locking bolt 70, the test lines and the current guide assembly 10 do not need to be disassembled and assembled when the test lines and the current guide assembly are connected to the test ends of different galvanic piles.
In some embodiments, the diversion assembly 10 has a temperature measuring hole, the connection joint further includes a corundum tube and a temperature measuring couple, the temperature measuring couple is disposed in the corundum tube, the corundum tube is disposed in the temperature measuring hole, the temperature measuring line is connected with the temperature measuring couple, and the locking bolt 70 is pressed against the corundum tube, so as to prevent the temperature measuring couple from loosening.
It should be explained that the temperature measuring couple is a temperature measuring K-type couple, which can protect the measured position, and the temperature measuring couple is insulated by the corundum tube, which will not affect the heat transfer.
In practical application, temperature measuring holes are formed in the positive guide block 11 and the negative guide block 12.
In order to facilitate understanding of the technical solution of the present invention, the assembling method and the using method of the connection joint in the above embodiments are explained herein:
firstly, the internal resistance test line 21, the voltage test line 22 and the load test line 23 are connected with the anode flow guide block 11 and the cathode flow guide block 12 through the locking bolts 70, meanwhile, the temperature measuring couple connected with the temperature measuring line is placed in the corundum tube, the corundum tube is placed in the temperature measuring hole, and the corundum tube is fixed through the locking bolts 70 after being placed in the temperature measuring hole.
After the test lines (the internal resistance test line 21, the voltage test line 22, the load test line 23, and the temperature test line 24) are connected to the current guide blocks (the positive current guide block 11 and the negative current guide block 12), the current guide blocks are placed on the bottom plate 33, and then are primarily fixed by bolts, the fixing plate 35 is covered, the fixing plate 35 is connected to the bottom plate 33 by bolts, and the current guide blocks are further fixed by the fixing plate 35.
At the same time, the pressing assembly 40 can be mounted on the cover plate 34, the connecting piece 41 in the pressing assembly 40 is fixedly connected with the cover plate 34 by a bolt, and the connecting piece 50 is also connected to the cover plate 34 by a bolt.
Finally, the cover plate 34 is connected to the fixing plate 35, and the assembly of the connection joint is completed.
After the connection joint is assembled, the connecting piece 50 is connected with the balancer, during testing, the tension adjustment is carried out through the handle piece 60 and the balancer, the connection joint is moved to the position of the testing end of the galvanic pile, the connection joint is pushed after the position alignment is ensured, the testing end of the galvanic pile extends into the connecting space 31, and the flow guide block is aligned with the testing end of the galvanic pile.
After the guide block is aligned with the test end of the electric pile, the clamp 43 is pulled, the pressing block is pressed downwards, the test end of the electric pile is pressed on the guide block, and then the test is carried out. After the test is completed, the clamp 43 is pulled up, the compaction block releases the test end of the stack, and then the connection joint is moved back to the original position by the handle member 60 and the balancer.
A testing device comprises the connecting joint in the embodiment.
Further, the testing device also comprises a testing mechanism, and the testing mechanism is connected with the internal resistance testing line 21, the voltage testing line 22, the load testing line 23 and the temperature testing line 24 and is used for testing the electric pile.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A connection fitting, comprising:
the flow guide assembly is used for being connected with a test end of the galvanic pile;
the internal resistance test line is connected with the flow guide assembly;
the voltage test wire is connected with the flow guide assembly;
the load test line is connected with the flow guide assembly; and
the temperature test line is connected with the flow guide assembly;
the internal resistance test wire, the voltage test wire, the load test wire and the temperature test wire are also connected with a test mechanism.
2. The connector according to claim 1, wherein the connector comprises a mounting assembly and a pressing assembly, the guide assembly and the pressing assembly are disposed on the mounting assembly, and the pressing assembly is configured to press the testing end of the stack against the guide assembly, so that the guide assembly is connected to the testing end of the stack.
3. The connector according to claim 2, wherein the mounting assembly has a mounting space, a connecting space communicated with the mounting space, and a wire inlet, the current guiding assembly is mounted in the mounting space and partially extends into the connecting space, the pressing assembly is configured to press the testing end of the stack extending into the connecting space against the current guiding assembly, and the internal resistance testing wire, the voltage testing wire, the load testing wire, and the temperature testing wire are all inserted into the wire inlet and connected to the current guiding assembly.
4. The connector according to claim 3, wherein the mounting assembly comprises a base plate and a cover plate, the base plate has the mounting space, and the cover plate is disposed on the base plate and encloses the base plate to form the connecting space and the wire inlet;
the compressing assembly is arranged on the cover plate and is provided with a compressing end, and the compressing end is configured to operably extend into the connecting space so as to compress the testing end of the galvanic pile extending into the connecting space to the flow guide assembly.
5. The connector according to claim 4, wherein the mounting assembly further comprises a fixing plate connected to the bottom plate to fix the flow guide assembly to the bottom plate, the bottom plate and the fixing plate enclose the mounting space and the wire inlet, the cover plate and the fixing plate enclose the connecting space, and the flow guide assembly partially penetrates through the fixing plate and extends into the connecting space.
6. The connection joint according to claim 2, further comprising a connector connected to the mounting assembly, the connector configured to connect with a balancer.
7. The connection joint of claim 2, further comprising a handle member fixedly attached to the mounting assembly.
8. The connector of any one of claims 1-7, wherein the flow guide assembly comprises a positive flow guide block and a negative flow guide block, the positive flow guide block is configured to be connected to a positive electrode of a testing end of a stack, the negative flow guide block is configured to be connected to a negative electrode of the testing end of the stack, and the positive flow guide block and the negative flow guide block are connected to the internal resistance test line, the voltage test line, the load test line, and the temperature test line.
9. The connector according to any one of claims 1 to 7, further comprising a plurality of locking bolts, wherein the internal resistance test line, the voltage test line, the load test line, and the temperature test line are connected to the current guide assembly through the locking bolts.
10. A test device comprising a connector as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090783.7U CN217238211U (en) | 2022-01-13 | 2022-01-13 | Connecting joint and testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090783.7U CN217238211U (en) | 2022-01-13 | 2022-01-13 | Connecting joint and testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217238211U true CN217238211U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220090783.7U Active CN217238211U (en) | 2022-01-13 | 2022-01-13 | Connecting joint and testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217238211U (en) |
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- 2022-01-13 CN CN202220090783.7U patent/CN217238211U/en active Active
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