CN111766536A - High-power high stable heavy current short circuit test load cabinet of new forms of energy power battery - Google Patents
High-power high stable heavy current short circuit test load cabinet of new forms of energy power battery Download PDFInfo
- Publication number
- CN111766536A CN111766536A CN202010734038.7A CN202010734038A CN111766536A CN 111766536 A CN111766536 A CN 111766536A CN 202010734038 A CN202010734038 A CN 202010734038A CN 111766536 A CN111766536 A CN 111766536A
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- Prior art keywords
- cabinet body
- cabinet
- short circuit
- heat
- power battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a high-power high-stability large-current short circuit test load cabinet for a new energy power battery, which comprises a cabinet body, a disconnecting link switch and an integrated resistor, wherein the cabinet body is provided with a plurality of connecting wires; a plurality of packaging resistors and knife switch are installed in the cabinet body, the packaging resistors are connected with the knife switch in series, a fan is arranged below each vertical packaging resistor, the fan is installed at the bottom end of the cabinet body, and a heat dissipation screen plate is also installed at the top end of the cabinet body; the large-current test load cabinet changes the resistance of the load cabinet by controlling the electrifying number of the integrated resistors in the cabinet body through the disconnecting link switch, is convenient to adjust the load, and is suitable for large-current short-circuit test of a high-power and high-stability new energy battery; the collection dress resistance has good insulating effect and heat conduction effect, adopts the fan to blow to every collection dress resistance of erectting, makes the heat that collection dress resistance gived off flow by supreme following wind down, finally derives from the heat dissipation otter board on cabinet body top, has high-efficient quick radiating effect to guarantee the normal operating of load cabinet.
Description
Technical Field
The invention relates to a large-current test load cabinet, in particular to a high-power high-stability large-current short circuit test load cabinet for a new energy power battery, and belongs to the technical field of new energy power battery test equipment.
Background
The load cabinet is a power supply detection device, mainly detects and maintains a generator, an Uninterruptible Power Supply (UPS) and power transmission equipment, is a periodic maintenance tool device for the generator set and the UPS, and is particularly applied to the field of short circuit testing of the current new energy power battery day by day.
In the prior art, the load cabinet has the following defects:
1. the product with the same function and performance has the advantages of large volume, heavy weight and large occupied space area of the used resistor;
2. whether the traditional porcelain tube painting resistor and aluminum shell resistor or metal tube resistor are used, the painting, chemical resin and chemical solvent used in the production and manufacturing process, silica powder, magnesium oxide powder and other materials can cause adverse effects on the human health and the environment;
3. the traditional resistance mode has higher cost than the product of the new technology when the product with the same function and performance is made.
Disclosure of Invention
The invention provides a high-power high-stability large-current short circuit test load cabinet for a new energy power battery, which solves the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a high-power high-stability large-current test load cabinet for a new energy power battery. A plurality of integrated resistors and knife switch are arranged in the cabinet body; the assembly resistors are connected with the knife switch in series, and a fan corresponds to the lower part of each vertical assembly resistor; the fan is arranged at the bottom end of the cabinet body; and a heat dissipation screen plate is also installed at the top end of the cabinet body.
As a preferred technical scheme of the invention, the back of the cabinet body is also provided with two copper bar leading-out ends, and a plurality of the integrated resistors are connected in series or in parallel and then connected between the two copper bar leading-out ends.
As a preferred technical scheme of the invention, each container resistor comprises a metal support, three fixing screws, three transverse rows of insulating bakelite strips, heat-absorbing mica insulating spacers, alloy resistor sheets and a busbar, wherein the metal support is provided with the three fixing screws, three groups of heat-absorbing mica insulating spacers are clamped on the three insulating bakelite strips on each vertical row together, the number of each group of heat-absorbing mica insulating spacers is two, one alloy resistor sheet is clamped in the two heat-absorbing mica insulating spacers together, the tail end of each alloy resistor sheet is connected with the busbar, and the busbar is further fixed with two leading-out end copper bars through outer hexagonal fixing screws.
According to a preferable technical scheme, the confluence copper bar is fixed on a metal support through outer hexagonal fixing screws, the inner side of the metal support is tightly attached with a mica insulation spacer on the inner side of the support, and the mica insulation spacer on the inner side of the support is also fixed through a fixing screw rod.
As a preferred technical scheme of the present invention, the insulated bakelite bars are divided into three horizontal rows, and the number of the insulated bakelite bars in each horizontal row is equal.
As a preferable technical scheme of the invention, each knife switch is connected with a knife handle, and the knife handle is arranged on the front surface of the cabinet body.
As a preferred technical scheme of the invention, a fan switch is arranged on the front surface of the cabinet body and is electrically connected with a fan.
As a preferable technical scheme of the invention, the front surface of the cabinet body is also provided with an indicator light.
The invention has the following beneficial effects: compared with the prior art, the high-power high-stability large-current short circuit test load cabinet for the new energy power battery has the following beneficial effects:
1. the heavy-current test load cabinet controls the on-off of the disconnecting link switch according to the current magnitude by matching the disconnecting link switch with the container resistor, further controls the electrifying number of the container resistor in the cabinet body, and changes the resistance magnitude of the load cabinet, so that the load cabinet meets the load requirement of the current, is convenient to use and adjust the load, is suitable for heavy-current short circuit test of a high-power and high-stability new energy power battery, and can realize the required resistance value and current by applying a plurality of container resistors in series or in parallel according to the requirement of the short circuit test current.
2. The container resistor uses the high-temperature resistant mica plates as heat-absorbing mica insulation spacers to be tightly attached to two sides of the alloy resistor sheet, so that heat generated by instantaneous operation of the resistor is immediately conducted on the mica sheet, thereby reducing the heat load on the alloy resistor sheet and improving the stability of the resistor.
3. By using the container resistor with the structure, the large-current test load cabinet can save a large amount of social resources, reduce the manufacturing cost, play a great role in energy conservation, environmental protection and protection of the health of staff, and have the advantages of attractive structure, high mechanical strength, firmness, durability, safety and no worry.
4. The high-current test load cabinet also adopts the fan to blow the packaging resistors in each vertical column, so that the heat emitted by the packaging resistors flows along with the wind from bottom to top and is finally led out from the heat dissipation screen plate at the top end of the cabinet body, and the high-efficiency and quick heat dissipation effect is achieved, so that the normal operation of the load cabinet is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a subjective structure of a high-power high-stability large-current short-circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 2 is a schematic diagram of a front structure of a cabinet body of a high-power high-stability large-current short-circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 3 is a schematic structural diagram of the back of a cabinet body of a high-power high-stability large-current short circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 4 is a top view of the interior of a cabinet body of a high-power high-stability large-current short circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 5 is a schematic diagram of a container resistor structure of a high-power high-stability large-current short-circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 6 is a sectional assembly resistor top view of a high-power high-stability large-current short-circuit test load cabinet for a new energy power battery provided by the invention;
FIG. 7 is a schematic structural diagram of a fan of a high-power high-stability large-current short-circuit test load cabinet for a new energy power battery provided by the invention;
in the figure: 1. a cabinet body; 2. a knife switch; 3. assembling a resistor; 4. a fan; 5. a fan switch; 6. a knife switch handle; 7. an indicator light; 8. a copper bar leading-out end; 9. a metal bracket; 10. fixing the screw rod; 11. insulating bakelite bars; 12. a heat absorbing mica insulation spacer; 13. alloy resistance sheets; 14. a busbar; 15. leading-out terminal copper bars; 16. a mica insulation spacer for absorbing heat at the inner side of the bracket; 17. a heat dissipation screen plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-7, the invention provides a high-power high-stability large-current short circuit test load cabinet for a new energy power battery, which comprises a cabinet body 1, a disconnecting link switch 2 and an assembly resistor 3, wherein a plurality of assembly resistors 3 and disconnecting link switches 2 are installed in the cabinet body 1, the assembly resistors 3 are connected in series with the disconnecting link switch 2, a fan 4 corresponds to the lower part of each vertical row of the assembly resistors 3, the fan 4 is installed at the bottom end of the cabinet body 1, and a heat dissipation screen 17 is also installed at the top end of the cabinet body 1.
Two copper bars are still installed at the back of the cabinet body 1 and are drawn forth end 8, a plurality of collection dress resistance 3 are established ties or parallelly connected back through the copper bar 14 that converges, connect and draw forth between end 8 at two copper bars, collection dress resistance 3 through a plurality of series connections or parallelly connected together, then establish ties a plurality of switch 2 and collection dress resistance together, two copper bars are drawn forth end 8 and can be regarded as positive negative pole link, with 1 circular telegram of the cabinet body, when the test, break-make through switch 2, the control collection dress resistance 3 circular telegram is counted, change the total resistance of collection dress resistance 3 in the cabinet body 1, thereby change the load size of load cabinet, use with the current test who is applicable to high-power high stability.
Each knife switch 2 is connected with a knife handle 6, the knife handle 6 is installed on the front face of the cabinet body 1, and the on-off of the knife switch 2 can be controlled through the knife handle 6.
Fan switch 5 is installed in the front of the cabinet body 1, fan 4 is connected to fan switch 5 electricity, through fan switch 5, can control fan 4's work, because every vertical row collection dress resistance 3's below all corresponds a fan 4, fan 4 installs the bottom at the cabinet body 1, heat dissipation otter board 17 is still installed on the top of the cabinet body 1, consequently, fan 4 during operation, can blow collection dress resistance 3 above it, the heat that makes collection dress resistance 3 distribute derives the cabinet body 1 along with the wind from heat dissipation otter board 17's clearance, reach radiating purpose.
The front of the cabinet body 1 is also provided with a plurality of indicator lamps 7, and the indicator lamps 7 can respectively correspond to resistors with different sizes.
Example 2
As shown in fig. 1-6, each container resistor 3 includes a metal support 9, a fixing screw 10, insulating bakelite strips 11, heat-absorbing mica insulating spacers 12, alloy resistor sheets 13 and a busbar 14, three transverse rows of insulating bakelite strips 11 are installed on the metal support 9 through three fixing screws 10, a plurality of groups of heat-absorbing mica insulating spacers 12 are clamped on the three insulating bakelite strips 11 on each vertical row, the number of each group of heat-absorbing mica insulating spacers 12 is two, one alloy resistor sheet 13 is clamped in each two heat-absorbing mica insulating spacers 12, the tail end of each alloy resistor sheet 13 is connected with the busbar 14, and two leading-out end copper bars 15 are fixed on the busbar 14 through outer hexagonal fixing screws.
The alloy resistance sheets 13 are in contact with the busbar bar 14 and can be connected into the whole load cabinet through the leading-out terminal copper bar 15 on the busbar bar 14 for electrifying.
The busbar 14 is fixed on the metal support 9 through outer hexagonal fixing screws, the inner side of the metal support 9 is also tightly attached with the inner side heat absorption mica insulation spacer 16 of the support, the inner side heat absorption mica insulation spacer 16 of the support is also fixed through the fixing screw rod 10, and the inner side heat absorption mica insulation spacer 16 of the support can utilize the insulation heat conduction function of the self to insulate and dissipate the heat of the whole container resistor 3.
The insulated bakelite strips 11 are divided into three transverse rows, and the number of the insulated bakelite strips 11 in each transverse row is equal.
As shown in fig. 5-6, a plurality of insulated bakelite strips 11 are arranged in three rows, each row of insulated bakelite strips 11 is fixed on a metal support 9 by a fixing screw 10, then each group of heat-absorbing mica insulation spacer 12 is perpendicular to three rows of insulated bakelite strips 11 and is clamped in three insulated bakelite strips 11 aligned in the vertical direction, a gap is left between two adjacent groups of heat-absorbing mica insulation spacers 12, meanwhile, each group of heat-absorbing mica insulation spacer 12 is composed of two heat-absorbing mica insulation spacers 12, an alloy resistor 13 is clamped between the two heat-absorbing mica insulation spacers 12, insulation protection is performed by using the insulation performance of the heat-absorbing mica insulation spacers 12, so that heat generated by instantaneous operation of the resistor is immediately conducted on the mica, thereby reducing the heat load on the alloy sheet 13, reducing the consumption of alloy resistor sheets and improving the stability of the resistor, not only can save a large amount of social resources and reduce the manufacturing cost, but also can play a great role in energy conservation, environmental protection and the protection of the health of staff, and has the advantages of beautiful structure, high mechanical strength, firmness, durability, safety and no worry; moreover, the structure is easy to lead out the heat of the alloy resistance chip 13, so that the heat dissipation work can be rapidly carried out under the action of the fan 4.
According to the heavy-current short-circuit test load cabinet, the disconnecting link switch 2 and the integrated resistor 3 are matched for use, the on-off of the disconnecting link switch 2 is controlled according to the current, the electrifying number of the integrated resistors 3 in the cabinet body 1 is further controlled, and the resistor size of the load cabinet is changed, so that the load cabinet meets the load requirement of the current, is convenient to use and load adjustment, and is suitable for being used for a heavy-current short-circuit test of a high-power and high-stability new energy power battery;
the container resistor 3 clamps the alloy resistor disc 13 in the two heat-absorbing mica insulation spacers 12, then regularly fixes the heat-absorbing mica insulation spacers 12 clamped with the alloy resistor disc 13 through the insulation bakelite bars 11, and uses a high-temperature resistant mica plate as the heat-absorbing mica insulation spacers 12 to be tightly attached to two sides of the alloy resistor disc 13, so that heat generated by instantaneous work of the resistor is immediately conducted on the mica disc, thereby lightening the heat load on the alloy resistor disc 13, improving the stability of the resistor, not only saving a large amount of social resources and reducing the manufacturing cost, but also playing a great role in energy conservation, environmental protection and protecting the health of staff, and having the advantages of attractive structure, high mechanical strength, firmness, durability and no worry; still adopt fan 4 to blow to every collection dress resistance 3 of erectting the row, make the heat that collection dress resistance 3 gived off flow by supreme following the wind down, finally derive from the heat dissipation otter board 17 on the cabinet body 1 top, have high-efficient quick radiating effect to in the normal operating of assurance load cabinet.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-power high stable heavy current test load cabinet of new forms of energy power battery, includes the cabinet body (1), switch (2) and collecting resistor (3), its characterized in that, install a plurality of collection dress resistance (3) and switch (2) in the cabinet body (1), collection dress resistance (3) series connection switch (2), every erects and is listed as the below of collection dress resistance (3) all corresponds a fan (4), the bottom at the cabinet body (1) is installed in fan (4), heat dissipation otter board (17) are still installed on the top of the cabinet body (1).
2. The high-power high-stability large-current short circuit test load cabinet for the new energy power battery as claimed in claim 1, wherein two copper bar leading-out ends (8) are further mounted on the back of the cabinet body (1), and the plurality of integrated resistors (3) are connected in series or in parallel and then connected between the two copper bar leading-out ends (8).
3. The load cabinet for testing the high-power high-stability large-current short circuit of the new energy power battery according to claim 1, wherein each container resistor (3) comprises a metal support (9), fixing screws (10), insulating bakelite bars (11), heat-absorbing mica insulating spacers (12), alloy resistor discs (13) and a busbar (14), three transverse rows of insulating bakelite bars (11) are mounted on the metal support (9) through three fixing screws (10), a plurality of groups of heat-absorbing mica insulating spacers (12) are clamped on three insulating bakelite bars (11) on each vertical row together, the number of each group of heat-absorbing mica insulating spacers (12) is two, an alloy disc (13) is clamped in each two heat-absorbing mica insulating spacers (12), and the tail end of each alloy resistor disc (13) is further connected with the busbar (14), and two leading-out end copper bars (15) are fixed on the confluence copper bar (14) through outer hexagonal fixing screws.
4. The load cabinet for testing the short circuit of the large power, the high stability and the large current of the new energy power battery according to claim 3, wherein the busbar (14) is fixed on the metal bracket (9) through an outer hexagonal fixing screw, the inner side of the metal bracket (9) is also tightly attached with a bracket inner side heat absorption mica insulation spacer (16), and the bracket inner side heat absorption mica insulation spacer (16) is also fixed through a fixing screw (10).
5. The high-power high-stability large-current short circuit test load cabinet for the new energy power battery as claimed in claim 3, wherein the insulated bakelite bars (11) are divided into three transverse rows, and the number of the insulated bakelite bars (11) in each transverse row is equal.
6. The high-power high-stability large-current short circuit test load cabinet with the new energy power battery as claimed in claim 1, wherein each knife switch (2) is connected with a knife handle (6), and the knife handles (6) are installed on the front side of the cabinet body (1).
7. The high-power high-stability large-current short circuit test load cabinet for the new energy power battery as claimed in claim 1, wherein a fan switch (5) is installed on the front surface of the cabinet body (1), and the fan switch (5) is electrically connected with a fan (4).
8. The high-power high-stability large-current short circuit test load cabinet for the new energy power battery as claimed in claim 1, wherein an indicator lamp (7) is further installed on the front face of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734038.7A CN111766536A (en) | 2020-07-27 | 2020-07-27 | High-power high stable heavy current short circuit test load cabinet of new forms of energy power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010734038.7A CN111766536A (en) | 2020-07-27 | 2020-07-27 | High-power high stable heavy current short circuit test load cabinet of new forms of energy power battery |
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| Publication Number | Publication Date |
|---|---|
| CN111766536A true CN111766536A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010734038.7A Pending CN111766536A (en) | 2020-07-27 | 2020-07-27 | High-power high stable heavy current short circuit test load cabinet of new forms of energy power battery |
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| CN (1) | CN111766536A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866527A (en) * | 2021-08-11 | 2021-12-31 | 合肥通用机械研究院有限公司 | Resistance load cabinet and resistance value control method thereof |
-
2020
- 2020-07-27 CN CN202010734038.7A patent/CN111766536A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866527A (en) * | 2021-08-11 | 2021-12-31 | 合肥通用机械研究院有限公司 | Resistance load cabinet and resistance value control method thereof |
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