CN106199092B - A kind of combined high-power electronic load device - Google Patents
A kind of combined high-power electronic load device Download PDFInfo
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- CN106199092B CN106199092B CN201610848840.2A CN201610848840A CN106199092B CN 106199092 B CN106199092 B CN 106199092B CN 201610848840 A CN201610848840 A CN 201610848840A CN 106199092 B CN106199092 B CN 106199092B
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- resistance
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- power electronic
- electronic load
- load device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
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Abstract
The embodiment of the invention discloses a kind of combined high-power electronic load devices, disassemble and install repeatedly for solving the resistance on existing high-power electronic load, problem troublesome in poeration.A kind of combined high-power electronic load device in the embodiment of the present invention, comprising: frame, more than one detachable resistance unit, resistance upper bracket and resistance lower bracket；On said frame, the two is correspondingly arranged up and down and retains clearance space for the resistance upper bracket and the setting of resistance lower bracket；More than one described detachable resistance unit is removably mounted on the resistance upper bracket or resistance lower bracket on corresponding installation position.
Description
Technical field
The present invention relates to power electronics field more particularly to a kind of combined high-power electronic load devices.
Background technique
Currently, various power electronic equipments are widely used in the rapid development of power electronic technique and industrial technology
The fields such as power supply, metallurgy, chemical system and various manufacturing industry, such as convertible frequency air-conditioner, frequency conversion refrigerator, large power supply, electric car
Etc., these equipment require to be equipped with respective load in research and development and production process, are mainly used for high power system, power
Test, the aging of the products such as battery pack, power electronic element.Due to high-power electronic load protection control function, thermal diffusivity,
High pressure resistant, equipment operation and maintenance etc. performance are preferable, therefore high-power electronic load is needed with production, the development of life
Ask more and more, the effect of performance is also increasing.
However, since existing high-power electronic load will be according to various parameters such as different voltages, resistance values in test
The replacement that test request is loaded generally requires repeatedly to disassemble and install the resistance on high-power electronic load, to meet
The parameter request currently tested, it is troublesome in poeration, reduce testing efficiency.
Summary of the invention
The embodiment of the invention provides a kind of combined high-power electronic load devices, are able to solve existing high-power electricity
Resistance in son load disassembles and installs repeatedly, problem troublesome in poeration.
A kind of combined high-power electronic load device provided in an embodiment of the present invention, comprising: frame, more than one is removable
Unload formula resistance unit, resistance upper bracket and resistance lower bracket；
On said frame, the two is correspondingly arranged up and down and retains interval for the resistance upper bracket and the setting of resistance lower bracket
Space；
More than one described detachable resistance unit is removably mounted on the resistance upper bracket or resistance lower bracket
On upper corresponding installation position.
Optionally, the resistance upper bracket includes the first limb and the second limb, and first limb and the second limb are flat
The length of row setting, interval and the detachable resistance unit between the two matches；
The resistance lower bracket includes third limb and the 4th limb, and the third limb and the 4th limb are arranged in parallel,
The length at interval and the detachable resistance unit between the two matches.
Optionally, it is provided with resistance mounting hole on first limb and the second limb, on the resistance upper bracket
Installation position is corresponding；
It is provided with resistance mounting hole on the third limb and the 4th limb, with the installation position phase on the resistance lower bracket
It is corresponding；
The detachable resistance unit passes through the resistance mounting hole by fixed screw and is fixed on the installation position.
Optionally, left protective plate is installed in the front installation front fender of the frame, left side, and right protection is installed in right side
Plate, the back side are equipped with back shroud.
Optionally, the frame outer surface between the resistance upper bracket and resistance lower bracket configures protective net.
Optionally, the first axial flow blower and the second axial flow blower are also equipped in the frame.
Optionally, first axial flow blower and the second axial flow blower are arranged in the resistance upper bracket and resistance lower bracket
Between
Optionally, combined high-power electronic load device bottom is provided with the universal wheel of strap brake function.
Optionally, the detachable resistance unit includes the first U-shaped resistance, the second U-shaped resistance, the installation of double-U-shaped resistance
Plate and ceramics bracket；
The first U-shaped resistance and the second U-shaped resistance are set side by side and are mounted on two pieces of double-U-shaped resistance mounting plates
On, and be supported and position by the ceramics bracket.
Optionally, the detachable resistance unit further includes temperature controller and fuse；
The temperature controller and fuse arrangement are on the conductive path of the described first U-shaped resistance and the second U-shaped resistance.
One of embodiment of the present invention combined high-power electronic load device installs detachable resistance list thereon
Member can meet the parameter request currently tested without disassembling and installing repeatedly, easy to operate, improve testing efficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of combined high-power electronic load device in the embodiment of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the front view of detachable resistance unit in the embodiment of the present invention；
Fig. 5 is the bottom view of detachable resistance unit in the embodiment of the present invention；
Fig. 6 is a kind of control circuit structural representation of combined high-power electronic load device in the embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of combined high-power electronic load devices, for solving existing high-power electricity
Resistance in son load disassembles and installs repeatedly, problem troublesome in poeration.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Fig. 1 be the embodiment of the present invention in a kind of schematic perspective view of combined high-power electronic load device, Fig. 2 and
Fig. 3 is respectively the front view and left view of Fig. 1.As shown in Figure 1, Figure 2, Figure 3 shows, the combined high-power electronic load device packet
It includes: detachable resistance unit 101, resistance upper bracket 102, resistance lower bracket 103, front fender 104, the first axial flow blower
105, the second axial flow blower 106, the universal wheel 107 of strap brake function, resistance mounting hole 108, protective net 109, left side protective plate
With right protective plate.
Resistance upper bracket 102 and resistance lower bracket 103 are provided on the frame of the combined high-power electronic load device.
Resistance upper bracket 102 and about 103 resistance lower bracket are correspondingly arranged and retain certain space interval, so that air flows and dissipates
Heat.Wherein, resistance upper bracket 102 includes the first limb and the second limb, and the first limb and the second limb be arranged in parallel, the two it
Between interval and the length of the detachable resistance unit 101 match.This has can be set on first limb and the second limb
Resistance mounting hole 108, to be fixed when detachable resistance unit 101 is mounted on resistance upper bracket 102.It is preferred that
Ground, can be arranged multiple installation positions between the first limb and the second limb, and each installation position is correspondingly arranged multiple resistance installations
Hole 108, an installation position can be supplied to a detachable resistance unit 101 and place installation, and be pacified by resistance thereon
The detachable resistance unit 101 is fixed in dress hole 108.Similarly, resistance lower bracket 103 includes third limb and the 4th limb,
Set-up mode is similar with the resistance upper bracket 102.
It, can the protection before the front installation of frame in order to improve the safety of the combined high-power electronic load device
Left protective plate 110 is installed in plate 104, left side, and right protective plate is installed in right side, and the back side is equipped with back shroud etc., not only can be with
It avoids tester's misconnection from contacting the charging member of the inside, dust-proof clean keeping can also be played the role of.Furthermore it is also possible in resistance
Frame outer surface between upper bracket 102 and resistance lower bracket 103 configures protective net 109, further increases safety.
In use due to the combined high-power electronic load device, the detachable resistance unit 101 is conductive
It is easy fever afterwards and generates high temperature, there is only security risks if temperature is excessively high, while test can be made to generate error.Therefore, may be used
To configure blower in the combined high-power electronic load device, radiate.In the present embodiment, it is preferable that configuration two
Blower, respectively the first axial flow blower 105 and the second axial flow blower 106.It is understood that 105 He of the first axial flow blower
Second axial flow blower 106 can also be arranged between resistance upper bracket 102 and resistance lower bracket 103, be more advantageous to as on resistance
Detachable resistance unit 101 on bracket 102 and resistance lower bracket 103 radiates.
In addition, since the combined high-power electronic load device may need often to move, it can be in combined type
Universal wheel 107 is arranged in the bottom of high-power electronic load device, is the universal wheel 107 of strap brake function particularly.To survey
Examination personnel move the combined high-power electronic load device in which can be convenient.
Fig. 4 is the front view of detachable resistance unit 101 in the embodiment of the present invention, and Fig. 5 is can in the embodiment of the present invention
The bottom view of detachable resistance unit 101.As shown in Figure 4 and Figure 5, which may include first U-shaped
Resistance 301, the second U-shaped resistance 302, temperature controller 303, fuse 304, double-U-shaped resistance mounting plate 305, ceramics bracket and wiring
Terminal 307.Wherein, the first U-shaped resistance 301 and the second U-shaped resistance 302 are set side by side and are mounted on two pieces of double-U-shaped resistance installations
On plate 305, and ceramics bracket is cooperated to be supported and position.It should be noted that the first U-shaped resistance 301 and the second U-shaped electricity
Temperature controller 303 and fuse 304 are configured on the conductive path of resistance 302, to prevent its temperature excessively high or even the feelings of short circuit occur
Condition.If there is short circuit, fuse 304 can be disconnected rapidly, it is ensured that the instrument of test will not be burned out.
As shown in figure 5, the wiring of temperature controller 303 and fuse 304 on the detachable resistance unit 101 is respectively one
Terminate the red firewire 309 of blue zero curve 310, another termination, common end grounding line 308.
It should be strongly noted that the detachable resistance unit 101 of this in the present embodiment includes the first U-shaped resistance 301
With the second U-shaped resistance 302, two U-shaped resistance.But it can need to be extended for three resistance, four electricity according to the actual situation
Resistance etc..The present embodiment should not be construed as the limitation to resistance number on the detachable resistance unit 101.
In the following, the present embodiment will combine practical control circuit to a kind of combined high-power electronic load device of the invention
It is described in detail:
Fig. 6 is a kind of control circuit structural representation of combined high-power electronic load device in the embodiment of the present invention.
The control circuit includes such as lower component: multi-piece terminal platform P (201), main contactor 202, earth leakage circuit breaker 203, combination
Formula terminal board L (204), double-U-shaped resistive module 205, the power supply terminal platform 206 of earth leakage circuit breaker 203, multi-piece terminal platform
N (207) and air-blower control panel 208.
As shown in fig. 6, termination multi-piece terminal platform P (201) of test power supply, other end meet multi-piece terminal platform N
(207), the road N power supply can be at most tested simultaneously；Main contactor 202 is by multi-piece terminal platform L (204) and double-U-shaped resistive mode
The firewire 309 of block 205 is connected, and is attracted by the contact that earth leakage circuit breaker 203 controls main contactor 202, can increase or
Person reduces the double-U-shaped resistive module 205 of connection, meets tested power supply and adjusts output power variation at any time；Double-U-shaped resistive module
205 zero curve 310 connects multi-piece terminal platform N (207)；Air-blower control panel 208 is provided with the first axial flow blower 105 and second
Control button is fixed/shaken the head to the high, medium and low of axial flow blower 106, stopping blast velocity control and blower.
It is as shown in Figure 1, Figure 2 and Figure 3, each detachable for combined high-power electronic load device of the invention
Resistance unit 101 can be mounted on above the resistance upper bracket 102 and resistance lower bracket 103 of load device, pass through double-U-shaped electricity
Resistance mounting plate 305 is fixed on resistance upper bracket 102 or resistance lower bracket 103, it is only necessary to by double-U-shaped resistance mounting plate 305
After the resistance mounting hole 108 for installing vacancy alignment resistance upper bracket 102 (or resistance lower bracket 103), insertion fixed screw is just
It can be with resistance mounting hole 108 can be selected arbitrarily.In test, can be needed according to the watt level selection of test power supply several
A detachable resistance unit 101 is combined, and the bigger detachable resistance unit 101 for usually requiring connection of measured power is more
It is more.The present apparatus can install 24 detachable resistance units 101 simultaneously, and tested power maximum can achieve 200KW；It is removable
Unloading the front fender 104 with heat release hole, the protective net 109 of removable strip heat release hole, left protective plate 110 with heat release hole etc. can be with
The detachable resistance unit 101 of installation is isolated from the outside, plays the role of protective separation, while heat dissipation ventilation is good, adds
Upper first axial flow blower 105 and the second axial flow blower 106 can be adjusted according to the needs wind speed and wind direction, effectively prevent detachable
101 localized hyperthermia's point of resistance unit and easy calcination point, allow the combined high-power electronic load device to accomplish that continuous 24 is small
Shi Yunhang, and detachable resistance unit 101 is without red heat phenomenon.
As shown in Figure 4 and Figure 5, each detachable resistance unit 101 is fitted with temperature controller 303, fuse 304, tool
Have overheat overcurrent protection function, in the case where blower does not turn, will not there is a situation where overheat, scaling loss.Therefore the combined type
High-power electronic load device has longer safe life；And device matches 24 detachable 101 structures of resistance unit, property
Energy, resistance value etc. are consistent, can arbitrarily replace combination between each other.In addition, the first U-shaped electricity of detachable resistance unit 101
It in series or in parallel can be combined between resistance 301 and the second U-shaped resistance 302, multiple detachable resistance units 101 can be mutual
Series, parallel is applied in combination in series and parallel, to adapt to the requirement of the tests such as various different voltages, resistance value, replacement combination maintenance side
Just.
Compared with prior art, the beneficial effect of combined high-power electronic load device includes: in the present invention
1, single-machine capacity is big, can achieve 200KW；
2, the first of each detachable resistance unit 101 the U-shaped resistance 301 and the second U-shaped resistance 302 can connect or
Parallel combination, multiple detachable resistance units 101 can be with series, parallel, be in series and parallel applied in combination, to adapt to various different electricity
The requirement of the various parameters such as pressure, resistance value, replacement combination are convenient；
3, each detachable resistance unit 101 prevents temperature excessive current excessive with temperature controller 303, fuse 304,
Even if encountering detachable resistance unit 101 in special circumstances to damage, another can be replaced at any time, does not influence normally to survey
Examination；
4, using low-noise energy-saving fan forced air cooling, volume is relatively small, and all baffles of device are provided with several dissipate
Hot hole, cabinet body structure have optimal cooling air-flow access, localized hyperthermia's point and easy calcination point are eliminated, in continuous duty
Under, there is high reliability, the smaller load thermal diffusivity of temperature drift is good；
5, load is separated with control circuit, far from the load for connecing high-voltage electricity, uses safe operation；
6, the load device uses 107 castor of universal wheel (strap brake type) structure, and mobile and positioning is convenient；
7, load has the multiple protection functions such as overvoltage, overcurrent, overheat, blower exception, unloads automatically when causing danger
It carries, can also realize forced unloading by manual emergency stop switch.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of combined high-power electronic load device characterized by comprising frame, more than one detachable resistance
Unit, resistance upper bracket and resistance lower bracket；
On said frame, the two is correspondingly arranged up and down and retains interval sky for the resistance upper bracket and the setting of resistance lower bracket
Between；
It is right on the resistance upper bracket or resistance lower bracket that more than one described detachable resistance unit is removably mounted on
On the installation position answered；
The resistance upper bracket includes the first limb and the second limb, and first limb and the second limb are arranged in parallel, the two
Between interval and the length of the detachable resistance unit match；
The resistance lower bracket includes third limb and the 4th limb, and the third limb and the 4th limb are arranged in parallel, the two
Between interval and the length of the detachable resistance unit match；
It is provided with resistance mounting hole on first limb and the second limb, it is opposite with the installation position on the resistance upper bracket
It answers；
It is provided with resistance mounting hole on the third limb and the 4th limb, it is opposite with the installation position on the resistance lower bracket
It answers；
The detachable resistance unit passes through the resistance mounting hole by fixed screw and is fixed on the installation position.
2. combined high-power electronic load device according to claim 1, which is characterized in that the front peace of the frame
Front fender is filled, left protective plate is installed in left side, and right protective plate is installed in right side, and the back side is equipped with back shroud.
3. combined high-power electronic load device according to claim 1, which is characterized in that the resistance upper bracket and
Frame outer surface between resistance lower bracket configures protective net.
4. combined high-power electronic load device according to claim 1, which is characterized in that also installed in the frame
There are the first axial flow blower and the second axial flow blower.
5. combined high-power electronic load device according to claim 4, which is characterized in that first axial flow blower
And second axial flow blower be arranged between the resistance upper bracket and resistance lower bracket.
6. combined high-power electronic load device according to claim 1, which is characterized in that the combined high-power
Electronic load device bottom is provided with the universal wheel of strap brake function.
7. combined high-power electronic load device according to claim 1, which is characterized in that the detachable resistance
Unit includes the first U-shaped resistance, the second U-shaped resistance, double-U-shaped resistance mounting plate and ceramics bracket；
The first U-shaped resistance and the second U-shaped resistance are set side by side and are mounted on two pieces of double-U-shaped resistance mounting plates, and
It is supported and positions by the ceramics bracket.
8. combined high-power electronic load device according to claim 7, which is characterized in that the detachable resistance
Unit further includes temperature controller and fuse；
The temperature controller and fuse arrangement are on the conductive path of the described first U-shaped resistance and the second U-shaped resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848840.2A CN106199092B (en) | 2016-09-23 | 2016-09-23 | A kind of combined high-power electronic load device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848840.2A CN106199092B (en) | 2016-09-23 | 2016-09-23 | A kind of combined high-power electronic load device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106199092A CN106199092A (en) | 2016-12-07 |
| CN106199092B true CN106199092B (en) | 2019-04-05 |
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ID=58067478
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848840.2A Active CN106199092B (en) | 2016-09-23 | 2016-09-23 | A kind of combined high-power electronic load device |
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| Country | Link |
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| CN (1) | CN106199092B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275600U (en) * | 2012-12-26 | 2013-11-06 | 大禹电气科技股份有限公司 | Draw-out high-pressure high-power load apparatus |
| CN203966701U (en) * | 2014-04-16 | 2014-11-26 | 广东福德电子有限公司 | The high heat radiation of a kind of high power braking resistor box |
| CN105652177A (en) * | 2016-03-11 | 2016-06-08 | 广东明阳龙源电力电子有限公司 | Testing tool for multi-specification IGBT performance testing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2212040C2 (en) * | 1999-12-02 | 2003-09-10 | Тацуми Корпорейшн | Testing gear of dry load |
-
2016
- 2016-09-23 CN CN201610848840.2A patent/CN106199092B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203275600U (en) * | 2012-12-26 | 2013-11-06 | 大禹电气科技股份有限公司 | Draw-out high-pressure high-power load apparatus |
| CN203966701U (en) * | 2014-04-16 | 2014-11-26 | 广东福德电子有限公司 | The high heat radiation of a kind of high power braking resistor box |
| CN105652177A (en) * | 2016-03-11 | 2016-06-08 | 广东明阳龙源电力电子有限公司 | Testing tool for multi-specification IGBT performance testing |
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| Publication number | Publication date |
|---|---|
| CN106199092A (en) | 2016-12-07 |
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Address after: 510000 No.1 by helongsha villager group, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Kaili HVAC Co.,Ltd. Address before: 510000 No.1 by helongsha villager group, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG CHIGO HEATING AND VENTILATION EQUIPMENT Co.,Ltd. |