CN111627626A - Super high resistance box - Google Patents
Super high resistance box Download PDFInfo
- Publication number
- CN111627626A CN111627626A CN202010546655.4A CN202010546655A CN111627626A CN 111627626 A CN111627626 A CN 111627626A CN 202010546655 A CN202010546655 A CN 202010546655A CN 111627626 A CN111627626 A CN 111627626A
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- Prior art keywords
- box
- heat
- resistor
- plate
- box body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/082—Cooling, heating or ventilating arrangements using forced fluid flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/084—Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of resistance boxes, and particularly discloses an ultrahigh-resistance box, which comprises a box body, a box cover and a resistor arranged in the box body, wherein one side of the box body is provided with an air inlet, the other side of the box body is provided with an air outlet, the inner wall of the box body, which is close to the air inlet, is provided with a fan, the top end and the bottom end of the resistor are both connected with heat conducting plates, the heat conducting plates are provided with a plurality of heat radiating plates, each heat radiating plate is provided with a through hole, and the heat radiating plates are provided with bulges, the resistor of the invention generates a large amount of heat during operation, the fan is started, external air is sucked into the box body through the air inlet, the heat transfer of the resistor is realized through the heat conducting plates at the upper end and the lower end of the resistor and, meanwhile, the contact area between the heat dissipation plate and the air is increased, and the heat dissipation effect is improved.
Description
Technical Field
The invention relates to the technical field of resistance boxes, in particular to an ultrahigh-resistance box.
Background
The resistance box is a standard resistance value output device, and it generally includes the box and installs the resistance device in the box, and current resistance box is because the inside air convection of box is little, resistance box radiating effect is poor, and the heat that resistance box can produce in the course of the work is difficult for the effluvium, easily makes resistance box wholly produce the high temperature. The high temperature produced can affect the resistance value change of the resistance device for the high-precision resistance box, thereby affecting the use precision of the resistance box and the service life of components, and even the electrical elements in the resistance box can be damaged by the high temperature. For the resistance box of super high resistance, compare general resistance box, super high resistance box generates heat more seriously.
Disclosure of Invention
The invention aims to solve the defect that the ultrahigh-resistance box in the prior art generates heat more seriously during working, and provides the ultrahigh-resistance box.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a super high resistance case, is in including box, case lid and setting resistance in the box, one side of box is provided with the air intake, the opposite side of box is provided with the air outlet, the box is close to the fan is installed to the inner wall of air intake, the top and the bottom of resistance all are connected with the heat-conducting plate, be provided with the heating panel on the heat-conducting plate, the quantity of heating panel is a plurality of, every all be provided with the through-hole on the heating panel, be provided with the arch on the heating panel.
Preferably, one side of the box body is provided with a connecting end, and the connecting end can be electrically connected with the resistor.
Preferably, a dust baffle plate is arranged on one side, away from the air inlet, of the box body, and the dust baffle plate is obliquely arranged above the air outlet.
Preferably, a through hole is formed in one side of the box body, a drawer is arranged in the through hole, a groove is formed in the top end of the drawer, and the groove is used for containing a dehumidifying agent.
Preferably, elastic pieces are arranged on two sides of the drawer and are made of rubber or elastic plastics.
Preferably, the inner wall of the box body is provided with a guide pillar, the middle of the guide pillar is provided with a fixed plate, two ends of the resistor are provided with baffles, the middle of each baffle is provided with a connecting plate, the guide pillar is movably provided with a movable plate, and the movable plate, the connecting plate and the fixed plate are provided with fixing bolts.
Preferably, one side of the heat conducting plate, which is far away from the heat radiating plate, is provided with a partition plate, a mounting groove is formed between the partition plates, and the resistor is embedded in the mounting groove.
Preferably, a heat-conducting silicone layer is coated between the resistor and the heat-conducting plate.
Preferably, the end part of the heat conducting plate is provided with a supporting rod, the end part of the supporting rod positioned at the bottom end abuts against the bottom wall of the box body, and the end part of the supporting rod positioned at the top end abuts against the box cover.
Preferably, the material of the heat dissipation plate is graphite, aluminum, copper, aluminum alloy or copper alloy.
The invention has the beneficial effects that:
1. the resistor works to generate a large amount of heat, the fan is started at the moment, the fan sucks outside air into the box body through the air inlet, heat transfer of the resistor is realized through the heat conducting plates and the heat radiating plates at the upper end and the lower end of the resistor, and the resistor is efficiently cooled.
2. The through holes on the heat dissipation plate can enable air to circulate between the heat dissipation plates, the protrusions on the heat dissipation plate can increase disturbance when the air passes through the heat dissipation plate, and meanwhile, the contact area between the heat dissipation plate and the air is increased, and the heat dissipation effect is increased.
3. According to the invention, the through hole is formed in one side of the box body, the drawer is arranged in the through hole, the groove is formed in the top end of the drawer and is used for placing the dehumidifying agent, the dehumidifying agent can dehumidify the inside of the box body, overhigh humidity caused by temperature change in the ultrahigh resistance box is prevented, and the corrosion of moisture to the resistance in the box body is avoided.
Drawings
Fig. 1 is a perspective view of an ultra-high resistance resistor box according to the present invention;
FIG. 2 is a perspective view of another perspective of the ultra-high resistance resistor box shown in FIG. 1;
FIG. 3 is a top view of the ultra high resistance resistor box of FIG. 1;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a schematic structural diagram of an ultra-high resistance resistor box according to the present invention;
FIG. 6 is an exploded view of the ultra-high resistance resistor box of FIG. 1;
fig. 7 is an exploded view from another perspective of the ultra-high resistance resistor box shown in fig. 6.
In the figure: 1 box cover, 2 box body, 21 air inlet, 22 connecting end, 23 dust board, 24 guide post, 25 through hole, 26 fixing plate, 3 drawer, 31 groove, 32 elastic element, 4 supporting rod, 5 heat dissipation plate, 51 through hole, 52 bulge, 6 resistor, 7 movable plate, 8 baffle, 9 fan, 10 fixing bolt and 11 connecting plate.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-7, an ultra-high resistance resistor box includes a box body 2, a box cover 1 and a resistor 6 disposed in the box body 2, wherein an air inlet 21 is disposed on one side of the box body 2, an air outlet is disposed on the other side of the box body 2, a fan 9 is mounted on the inner wall of the box body 2 close to the air inlet 21, heat-conducting plates are connected to the top and bottom ends of the resistor 6, heat-dissipating plates 5 are disposed on the heat-conducting plates, the number of the heat-dissipating plates 5 is plural, each heat-dissipating plate 5 is provided with a through hole 5125, and a protrusion 52 is disposed on the heat-dissipating.
One side of the box body 2 is provided with a connecting end 22, the connecting end 22 can be electrically connected with the resistor 6, and the connecting end 22 is used for being connected with other electrical equipment. One side of the box body 2, which is far away from the air inlet 21, is provided with a dust baffle plate 23, the dust baffle plate 23 is obliquely arranged above the air outlet, and the dust baffle plate 23 can prevent dust and sundries from entering the air outlet. One side of box 2 is provided with through-hole 5125, be provided with drawer 3 in the through-hole 5125, the top of drawer 3 is provided with recess 31, recess 31 is used for placing the desiccant, and the desiccant can dehumidify in to box 2, prevents that the super high resistance 6 incasement temperature variation and the humidity that leads to is too high, avoids moisture to cause the corruption to box 2 internal resistance 6. The two sides of the drawer 3 are provided with elastic pieces 32, the elastic pieces 32 are specifically made of rubber or elastic plastics, the drawer 3 is inserted into the through hole 5125, and the elastic pieces 32 can be abutted against the inner wall of the box body 2 after being elastically deformed, so that the drawer 3 is fixed with the box body 2. When the drawer 3 needs to be pulled out, the cover 1 is opened, and the drawer 3 is pulled while the elastic member 32 is pressed. The inner wall of the box body 2 is provided with a guide post 24, and the middle part of the guide post 24 is provided with a fixing plate 26. One side of the fan 9 is provided with a filter screen, and the filter screen can prevent dust and other impurities from entering the box body 2 through the air inlet 21.
The two ends of the resistor 6 are provided with baffles 8, the middle of each baffle 8 is provided with a connecting plate 11, the guide post 24 is movably provided with a movable plate 7, the connecting plates 11 and the fixed plate 26 are provided with fixing bolts 10, one side of each connecting plate 11 can be abutted against one side of the corresponding fixed plate 26 by the aid of the fixing bolts 10, the other side of each connecting plate 11 can be abutted against one side of the corresponding movable plate 7, and the baffles 8 and the resistor 6 connected with the baffles 8 can be fixed in the middle of the box body 2.
One side that the heat-conducting plate kept away from heating panel 5 is provided with the baffle, forms the mounting groove between the baffle, resistance 6 inlay card is installed in the mounting groove. Further, in order to improve the heat conduction effect between the resistor 6 and the heat conduction plate, a heat conduction silicone layer is coated between the resistor 6 and the heat conduction plate. The end part of the heat conducting plate is provided with a supporting rod 4, the end part of the supporting rod 4 positioned at the bottom end is abutted against the bottom wall of the box body 2, and the end part of the supporting rod 4 positioned at the top end is abutted against the box cover 1.
Further, the material of the heat dissipation plate 5 is graphite, aluminum, copper, aluminum alloy, or copper alloy.
Further, a temperature sensor is arranged in the box body 2 and electrically connected with a controller, and the controller is electrically connected with the fan 9. When the temperature sensor detects that the temperature in the box body 2 exceeds a preset value, the controller starts the fan 9, and the fan 9 circulates air in the box body 2.
In this embodiment, after resistance 6 in with box 2 is connected with other electrical components through link 22, resistance 6 work produces a large amount of heats, start fan 9 this moment, fan 9 passes through air intake 21 with external air and inhales inside box 2, because resistance 6 is located the middle part of box 2, resistance 6's upper and lower both ends all are provided with heat-conducting plate and heating panel 5, the heat that resistance 6 work produced passes to heating panel 5 through the heat-conducting plate on, the in-process of the air that gets into in the box 2 through the space circulation between the heating panel 5, take away the heat on the heating panel 5, the realization is to resistance 6's heat transfer, and then carry out the efficient cooling to resistance 6. The through holes 5125 on the heat dissipation plate 5 can allow air to circulate between the heat dissipation plates 5, and the protrusions 52 on the heat dissipation plate 5 can increase the turbulence of the air when passing through the heat dissipation plate 5, and increase the contact area between the heat dissipation plate 5 and the air, thereby increasing the heat dissipation effect.
The resistor 6 of the invention generates a large amount of heat when working, at the moment, the fan 9 is started, the fan 9 sucks outside air into the box body 2 through the air inlet 21, heat transfer to the resistor 6 is realized through the heat conducting plates and the heat radiating plates 5 at the upper end and the lower end of the resistor 6, and the resistor 6 is efficiently cooled. The through holes 5125 on the heat dissipation plate 5 can allow air to circulate between the heat dissipation plates 5, and the protrusions 52 on the heat dissipation plate 5 can increase the turbulence of the air when passing through the heat dissipation plate 5, and increase the contact area between the heat dissipation plate 5 and the air, thereby increasing the heat dissipation effect. One side of box 2 is provided with through-hole 5125, be provided with drawer 3 in the through-hole 5125, the top of drawer 3 is provided with recess 31, recess 31 is used for placing the desiccant, and the desiccant can dehumidify in to box 2, prevents that super high resistance 6 incasement temperature variation and the humidity that leads to is too high, avoids moisture to cause the corruption to box 2 internal resistance 6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a super high resistance case, its characterized in that is in including box (2), case lid (1) and setting resistance (6) in box (2), one side of box (2) is provided with air intake (21), the opposite side of box (2) is provided with the air outlet, box (2) are close to fan (9) are installed to the inner wall of air intake (21), the top and the bottom of resistance (6) all are connected with the heat-conducting plate, be provided with heating panel (5) on the heat-conducting plate, the quantity of heating panel (5) is a plurality of, every all be provided with through-hole (51) (25) on heating panel (5), be provided with arch (52) on heating panel (5).
2. The ultra-high resistance resistor (6) box according to claim 1, characterized in that one side of the box body (2) is provided with a connecting end (22), and the connecting end (22) can be electrically connected with the resistor (6).
3. The ultra-high resistance resistor (6) box as claimed in claim 1, wherein a dust baffle plate (23) is arranged on one side of the box body (2) far away from the air inlet (21), and the dust baffle plate (23) is obliquely arranged above the air outlet.
4. The ultra-high resistance (6) box according to claim 1, wherein one side of the box body (2) is provided with through holes (51) (25), a drawer (3) is arranged in the through holes (51) (25), the top end of the drawer (3) is provided with a groove (31), and the groove (31) is used for placing a dehumidifying agent.
5. The ultra-high resistance (6) box according to claim 4, characterized in that, the drawer (3) is provided with elastic members (32) at both sides, and the elastic members (32) are rubber or elastic plastic.
6. The ultra-high resistance resistor (6) box according to claim 1, wherein a guide post (24) is arranged on the inner wall of the box body (2), a fixed plate (26) is arranged in the middle of the guide post (24), baffles (8) are arranged at two ends of the resistor (6), a connecting plate (11) is arranged in the middle of the baffle (8), a movable plate (7) is movably arranged on the guide post (24), and fixing bolts (10) are arranged on the movable plate (7), the connecting plate (11) and the fixed plate (26).
7. The ultra-high resistance resistor (6) box as claimed in claim 1, wherein the heat conducting plate is provided with partition plates at the side away from the heat dissipating plate (5), a mounting groove is formed between the partition plates, and the resistor (6) is embedded in the mounting groove.
8. The ultra-high resistance resistor (6) box according to claim 1, characterized in that a heat-conducting silicone layer is coated between the resistor (6) and the heat-conducting plate.
9. The ultra-high resistance (6) box according to claim 1, characterized in that the end of the heat conducting plate is provided with a supporting rod (4), the end of the supporting rod (4) at the bottom end abuts against the bottom wall of the box body (2), and the end of the supporting rod (4) at the top end abuts against the box cover (1).
10. The ultra-high-resistance tank as claimed in claim 1, wherein the material of said heat-dissipating plate (5) is graphite, aluminum, copper, aluminum alloy or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546655.4A CN111627626A (en) | 2020-06-15 | 2020-06-15 | Super high resistance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546655.4A CN111627626A (en) | 2020-06-15 | 2020-06-15 | Super high resistance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111627626A true CN111627626A (en) | 2020-09-04 |
Family
ID=72261274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010546655.4A Pending CN111627626A (en) | 2020-06-15 | 2020-06-15 | Super high resistance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111627626A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687438A (en) * | 2020-12-29 | 2021-04-20 | 麻城辅创科技有限公司 | Multi-channel controlled high-precision resistor box |
| CN112927872A (en) * | 2021-01-21 | 2021-06-08 | 于贵红 | Resistor with guide rail |
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| CN102903466A (en) * | 2012-11-06 | 2013-01-30 | 上海市电力公司 | Ventilation and heat dissipation device of high-capacity resistor |
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| CN208077704U (en) * | 2018-05-10 | 2018-11-09 | 佛山市聚好自动化***有限公司 | A kind of radiator of braking resistor |
| CN109103792A (en) * | 2018-10-12 | 2018-12-28 | 吉林省明鑫电力设备有限公司 | A kind of power change-over box of moisture-proof heat dissipation |
| CN208444685U (en) * | 2018-04-26 | 2019-01-29 | 张爱华 | A kind of resistance box radiator |
| CN208722660U (en) * | 2018-10-08 | 2019-04-09 | 厦门瑞德利校准检测技术有限公司 | A kind of High-precision standard resistance box |
| CN209119630U (en) * | 2018-10-12 | 2019-07-16 | 金陵科技学院 | A kind of waterproof and dampproof distribution box |
| CN210296058U (en) * | 2019-09-08 | 2020-04-10 | 苏州三垦电子有限公司 | Resistance box convenient to wind-guiding heat dissipation |
| CN210896824U (en) * | 2020-01-08 | 2020-06-30 | 深圳市霆茂电子有限公司 | Precision sampling resistor |
| CN210984416U (en) * | 2019-09-12 | 2020-07-10 | 苏州三垦电子有限公司 | Six-unit combined resistance box |
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2020
- 2020-06-15 CN CN202010546655.4A patent/CN111627626A/en active Pending
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| CN102903466A (en) * | 2012-11-06 | 2013-01-30 | 上海市电力公司 | Ventilation and heat dissipation device of high-capacity resistor |
| CN104852299A (en) * | 2015-04-17 | 2015-08-19 | 安徽藤蔓电气有限公司 | Temperature control distribution box |
| CN207165323U (en) * | 2017-08-22 | 2018-03-30 | 天津市三环电阻有限公司 | It is a kind of to be easy to temperature automatically controlled Power Resistor |
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| CN210296058U (en) * | 2019-09-08 | 2020-04-10 | 苏州三垦电子有限公司 | Resistance box convenient to wind-guiding heat dissipation |
| CN210984416U (en) * | 2019-09-12 | 2020-07-10 | 苏州三垦电子有限公司 | Six-unit combined resistance box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687438A (en) * | 2020-12-29 | 2021-04-20 | 麻城辅创科技有限公司 | Multi-channel controlled high-precision resistor box |
| CN112927872A (en) * | 2021-01-21 | 2021-06-08 | 于贵红 | Resistor with guide rail |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200904 |