CN214795044U - Power supply introducing device for simulating plateau environment test - Google Patents
Power supply introducing device for simulating plateau environment test Download PDFInfo
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- CN214795044U CN214795044U CN202120746229.5U CN202120746229U CN214795044U CN 214795044 U CN214795044 U CN 214795044U CN 202120746229 U CN202120746229 U CN 202120746229U CN 214795044 U CN214795044 U CN 214795044U
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Abstract
The utility model discloses a power introducing device that simulation plateau environmental test used for introduce the test slot with the power, including terminal, flange, steel pipe, first setting element and second setting element, the flange is equipped with first connecting hole and second connecting hole, the flange passes through first connecting hole with second connecting hole and above-mentioned test slot fixed connection. The utility model discloses a power introducing device that simulation plateau environmental test used, it realizes that the sample of external power source and test inslot is connected, introduces test voltage, test current, the test power that external test equipment produced to the test groove, in the environment of simulation plateau low atmospheric pressure, realizes carrying out insulating properties (assaulting withstand voltage, power frequency withstand voltage), temperature rise test, life test etc. to electrical product.
Description
Technical Field
The utility model belongs to the technical field of the power introducing device, concretely relates to power introducing device that simulation plateau environmental test used.
Background
Under the condition of plateau environment, the insulation performance and the electrical performance of low-voltage electrical equipment can be influenced to a certain extent. In a low-altitude laboratory, a high-altitude environment condition is simulated by adopting a high-strength pressure-resistant test tank, so that the method is an economical and practical scheme. However, the key problem is how to introduce a power supply system (including test voltage, test current, test power supply and the like) into a test tank through an introduction device, so as to perform insulation performance (impact withstand voltage, power frequency withstand voltage), temperature rise test, service life test and the like on an electrical product in an environment simulating plateau low pressure.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power introducing device that experimental usefulness of simulation plateau environment, it realizes that external power source is connected with the test article in the test groove, introduces test voltage, test current, the test power that external test equipment produced to the test groove, in the environment of simulation plateau low atmospheric pressure, realizes carrying out insulating properties (assaulting withstand voltage, power frequency withstand voltage), temperature rise test, life-span test etc. to electrical product.
In order to achieve the above object, the utility model provides a power introducing device that experimental usefulness of simulation plateau environment for introduce the test cell with the power, including terminal, flange, steel pipe, first setting element and second setting element, wherein:
the flange is provided with a first connecting hole and a second connecting hole (the number of the connecting holes can be set according to requirements), and the flange is fixedly connected with the test tank through the first connecting hole and the second connecting hole (matched bolts);
the steel pipe part is arranged in the flange and fixedly connected with the flange;
the terminal runs through the inside of steel pipe, and the terminal with be equipped with between the steel pipe first setting element (epoxy board), second setting element (epoxy board) and casting glue (the terminal passes through setting element, casting glue (resin) and steel pipe bonding an organic whole).
As a further preferable technical solution of the above technical solution, the flange is provided with a first extension portion, and the first extension portion is located between the first connection hole and the second connection hole.
As a further preferable technical solution of the above technical solution, one side of the flange facing the first extension portion is provided with the first positioning piece and the second positioning piece, and a distance between the first positioning piece and the flange is smaller than a distance between the second positioning piece and the flange.
As a more preferable mode of the above-described mode, a side of the flange facing the first extension portion (a portion of the power supply lead-in device for simulated plateau environment test) is built in the test chamber, and a side of the flange facing away from the first extension portion (a portion of the power supply lead-in device for simulated plateau environment test) is externally placed in the test chamber.
As a further preferable technical solution of the above technical solution, one end of the binding post close to the second positioning element is electrically connected to the electrical test product placed inside the test chamber, and one end of the binding post close to the first positioning element is electrically connected to the test equipment (such as a voltage withstanding instrument, an impulse voltage withstanding instrument, a current-stabilized power supply, etc.) placed outside the test chamber (for realizing connection between an external power supply and the test product inside the test chamber).
As a further preferable technical solution of the above technical solution, a seal ring is provided at a connection portion of the flange and the test tank.
Drawings
Fig. 1 is a cross-sectional view of a power supply introducing device for simulating plateau environment test of the present invention.
Fig. 2 is a schematic structural diagram of a power supply introducing device for simulating plateau environment test of the present invention.
The reference numerals include: 10. a binding post; 20. a flange; 21. a first connection hole; 22. a second connection hole; 23. a first extension portion; 30. a first positioning member; 40. a second positioning member; 50. pouring a sealant; 60. and (5) steel pipes.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a power introducing device that simulation plateau environmental test used combines preferred embodiment below, further describes utility model's concrete embodiment.
In the embodiments of the present invention, those skilled in the art will note that the test tank, the test power supply, the electrical test product, the test equipment, and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model provides a power introducing device that simulation plateau environmental test used for introduce the test cell with the power, including terminal 10, flange 20, steel pipe, first setting element 30 and second setting element 40, wherein:
the flange 20 is provided with a first connecting hole 21 and a second connecting hole 22 (the number of the connecting holes can be set according to requirements), and the flange 20 is fixedly connected with the test tank through the first connecting hole 21 and the second connecting hole 22 (matching bolts);
the steel pipe 60 is partially arranged in the flange 20, and the steel pipe 60 is fixedly connected with the flange 20;
the binding post 10 runs through the inside of the steel pipe 60, and the first positioning part 30 (epoxy plate), the second positioning part 40 (epoxy plate) and the pouring sealant 50 are arranged between the binding post 10 and the steel pipe 60 (the binding post is bonded with the steel pipe into a whole through the positioning parts and the pouring sealant (resin)).
Specifically, the flange 20 is provided with a first extension portion 23, and the first extension portion 23 is located between the first connection hole 21 and the second connection hole 22.
More specifically, the flange 20 is provided with the first positioning element 30 and the second positioning element 40 on a side facing the first extension portion 23, and a distance between the first positioning element 30 and the flange 20 is smaller than a distance between the second positioning element 40 and the flange 20.
Further, a side of the flange 20 facing the first extension portion 23 (a portion of the power supply lead-in device for plateau environment simulation test) is built in the test chamber, and a side of the flange 20 away from the first extension portion 23 (a portion of the power supply lead-in device for plateau environment simulation test) is externally placed in the test chamber.
Furthermore, one end of the binding post 10 close to the second positioning element 40 is electrically connected to the electrical test product placed inside the test chamber, and one end of the binding post 10 close to the first positioning element 30 is electrically connected to the test equipment (such as a voltage withstanding instrument, an impulse voltage withstanding instrument, a current-stabilized power supply, etc.) placed outside the test chamber (for connecting an external power supply to the test product inside the test chamber).
Preferably, a sealing ring (not shown) is arranged at the connection part of the flange 20 and the test groove.
The utility model discloses an electrical property does: insulating strength: the device is impact-resistant and pressure-resistant 12 KV; power frequency withstand voltage: 6kV/1 min; maximum current: 1000A.
The utility model discloses can be used to single-phase and three-phase (introducing device with the structure totally 3) introduction of power.
The utility model discloses the highest elevation test environment that can be used to: 10000 m.
The utility model discloses an internal pressure control of test cell does: mainly comprises a vacuum unit and an electric control box. a) The mode of a vacuum unit is adopted, and the maximum pumping rate is as follows: 300L/s, maximum vacuum pressure: <1 Pa. The vacuum air pumping unit is formed by serially connecting a roots pump serving as a main pump and a two-stage rotary vane vacuum pump serving as a backing pump. The motor direct-connection vacuum pump is adopted, the two pumps are in up-and-down butt joint, the structure is compact, a 250L/s air suction speed rotary vane pump is configured, and a 200L/s air suction speed roots pump is configured. b) The electric control box can perform constant control of low air pressure according to the pressure corresponding to the altitude.
It is worth mentioning that the utility model discloses a technical characteristics such as test cell, experimental power, electric test article and test equipment that the patent application relates to should be regarded as prior art, and the concrete structure of these technical characteristics, theory of operation and the control mode that can involve, spatial arrangement mode adopt in this field conventional selection can, should not be regarded as the utility model discloses a point of invention is located, the utility model discloses a do not do further specifically expand the detailing.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a power introducing device that experimental usefulness of simulation plateau environment for introduce the test cell with the power, its characterized in that includes terminal, flange, steel pipe, first setting element and second setting element, wherein:
the flange is provided with a first connecting hole and a second connecting hole and is fixedly connected with the test tank through the first connecting hole and the second connecting hole;
the steel pipe part is arranged in the flange and fixedly connected with the flange;
the wiring terminal penetrates through the interior of the steel pipe, and the first positioning piece, the second positioning piece and the pouring sealant are arranged between the wiring terminal and the steel pipe.
2. The power supply leading-in device for simulating the plateau environment test as recited in claim 1, wherein the flange is provided with a first extension portion, and the first extension portion is located between the first connecting hole and the second connecting hole.
3. The device as claimed in claim 2, wherein the first positioning member and the second positioning member are disposed on a side of the flange facing the first extension portion, and a distance between the first positioning member and the flange is smaller than a distance between the second positioning member and the flange.
4. The apparatus as claimed in claim 3, wherein the flange is disposed in the test chamber on a side facing the first extension portion, and the flange is disposed in the test chamber on a side facing away from the first extension portion.
5. The device as claimed in claim 4, wherein the terminal is electrically connected to the electrical test sample inside the test chamber at an end close to the second positioning member, and the terminal is electrically connected to the test equipment outside the test chamber at an end close to the first positioning member.
6. The device of claim 1, wherein a sealing ring is disposed at a connection portion of the flange and the test tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746229.5U CN214795044U (en) | 2021-04-13 | 2021-04-13 | Power supply introducing device for simulating plateau environment test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746229.5U CN214795044U (en) | 2021-04-13 | 2021-04-13 | Power supply introducing device for simulating plateau environment test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214795044U true CN214795044U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120746229.5U Active CN214795044U (en) | 2021-04-13 | 2021-04-13 | Power supply introducing device for simulating plateau environment test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214795044U (en) |
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2021
- 2021-04-13 CN CN202120746229.5U patent/CN214795044U/en active Active
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