CN209471230U - A kind of on-line testing device of DC power system insulation monitoring device - Google Patents
A kind of on-line testing device of DC power system insulation monitoring device Download PDFInfo
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- CN209471230U CN209471230U CN201920047385.5U CN201920047385U CN209471230U CN 209471230 U CN209471230 U CN 209471230U CN 201920047385 U CN201920047385 U CN 201920047385U CN 209471230 U CN209471230 U CN 209471230U
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Abstract
A kind of on-line testing device of DC power system insulation monitoring device, including heat-dissipating casing, crust of the device and device case lid, the surrounding of heat-dissipating casing is equidistantly fixed with several cooling fins, the edge of one side bottom of heat-dissipating casing offers opening, the edge of one side bottom of crust of the device offers working power interface, and the setting corresponding with opening of working power interface, the side on crust of the device top is embedded with LED display.The utility model is conducted the heat in crust of the device into cooling fin using heat-dissipating casing; the heat dissipation of effective accelerator interior of shell; internal component is burnt avoiding device interior of shell when the temperature is excessively high; device case lid is closed usually; the contact at the top of crust of the device with dust in air can be as much as possible reduced in this way; it avoids dust to enter the inside of crust of the device as far as possible, effectively protects the service life of crust of the device internal component.
Description
Technical field
The utility model relates to a kind of on-line testing device, specially a kind of DC power system insulation monitoring device
Line calibration equipment.
Background technique
Power station or transforming plant DC power-supply system are the protective relaying devices for power station or substation, important control equipment,
The key equipment of the equipment such as breaker offer working power.The positive and negative electrode bus of DC power system is earth-free, if direct current
When insulation fault occurs in source system, the output voltage of power supply can be seriously affected, will lead to protective relaying device, the breaker of institute's band
Equal load equipments can malfunction or tripping, so as to cause serious electric power accident.Prevent electric power raw according to relevant criterion and country
25 important requirements of production accident, DC power system answer configuring direct current mains isolation monitoring device.
Currently, the on-line testing device of traditional DC power system insulation monitoring device is all that nude is placed mostly, by
It is non-stop run in the device, a large amount of heat can be distributed, but generally lack auxiliary radiating device outside it, radiates
Effect is poor, and in addition the on-line testing device of existing DC power system insulation monitoring device does not all cover generally at the top of it
Son is easy to make the surface of device to fall dust, if dust enters inside device, will lead to device damage.Therefore we are right
This makes improvement, proposes a kind of on-line testing device of DC power system insulation monitoring device.
Fig. 7 is DC power system working principle diagram in the prior art, and the figure shows DC power system insulating monitorings
The on-line testing device 19 of device 18 and DC power system insulation monitoring device, in the prior art, DC power system
The on-line testing device 19 of insulation monitoring device includes DC power system insulation monitoring device on-line testing instrument, and Fig. 8 is shown
DC power system insulation monitoring device on-line testing instrument structural schematic diagram in the prior art, Fig. 9 show straight in the prior art
Galvanic electricity source system insulation monitoring device on-line testing instrument structural block diagram.In addition to this, application publication number is CN107505579A's
Chinese patent discloses a kind of DC power supply insulation state monitoring system.
Summary of the invention
To solve the defect of the existing technology pointed out in background technique, the utility model provides a kind of excellent in heat dissipation effect
DC power system insulation monitoring device on-line testing device.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of on-line testing device of DC power system insulation monitoring device, including heat-dissipating casing, crust of the device and dress
Case lid is set, crust of the device is placed on the inside of heat-dissipating casing, and the surrounding of heat-dissipating casing is equipped with several cooling fins, heat-dissipating casing
Side is equipped with opening, and working power interface setting corresponding with opening, the other side on crust of the device top is fixed with jack, fills
The avris for setting cover top portion is hinged by hinge and device case lid, and through-hole, fixation hole and cunning are offered at the top of device case lid
Slot, sliding slot are in semicircular arc-shaped, the circular arc heart of fixation hole and sliding slot, at the one end in the center of circle of through-hole, the center of circle of fixation hole and sliding slot
In on same straight line, cap rotating device is provided at the top of through-hole.
Above-mentioned cap rotating device includes door, handle, slide post and rotary shaft, and the bottom end of handle and the side on door top are solid
The top of fixed connection, slide post and rotary shaft is fixedly connected with the two sides of door bottom end respectively, and slide post is plugged in sliding slot,
Hand and slide post are located at the same side of device case lid, and rotary shaft is plugged in fixation hole and is fixedly connected with device case lid.
The rotation junction of above-mentioned fixation hole and rotary shaft is provided with wind spring, the inner ring of the wind spring and the outer wall of rotary shaft
It is fixedly connected, the outer ring of the wind spring is fixedly connected with the inner wall of fixation hole.
The rotation junction of above-mentioned rotary shaft and device case lid is fixed with rolling bearing, the inner ring of the rolling bearing with
The surface of rotary shaft bottom is fixedly connected.
Several described cooling fins are vertically fixed, and the cross section of the cooling fin is in fin shape.
Above-mentioned jack and through-hole are six and are divided into three groups, through-hole setting corresponding with jack.
Seal gasket, and the bottom end on the top of the seal gasket and door are provided between above-mentioned door and device case lid
It is fixedly connected.
Crust of the device top is embedded with LED display.
The beneficial effects of the utility model are: the on-line testing device of this kind of DC power system insulation monitoring device, leads to
It crosses and is equipped with heat-dissipating casing and cooling fin, the heat in crust of the device is conducted into cooling fin using heat-dissipating casing, utilizes heat dissipation
Piece increases the contact area of heat-dissipating casing and air, can effective accelerator interior of shell heat dissipation, avoiding device shell
Component inside when internal temperature is excessively high is burnt；Additionally by device case lid, through-hole and door is equipped with, usually by device case
Lid is closed, and falls dust at the top of avoiding device shell, and when needing the grafting conducting wire in jack, can only open door will
Conducting wire is inserted into jack by through-hole, can as much as possible reduce connect at the top of crust of the device with dust in air in this way
Touching, avoids dust from entering the inside of crust of the device as far as possible, and effectively protect crust of the device internal component uses the longevity
Life.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the on-line testing device of DC power system insulation monitoring device of the utility model
Figure；
Fig. 2 is a kind of crust of the device top of the on-line testing device of DC power system insulation monitoring device of the utility model
Portion's structural schematic diagram；
Fig. 3 is a kind of heat-dissipating casing knot of the on-line testing device of DC power system insulation monitoring device of the utility model
Structure schematic diagram；
Fig. 4 is that a kind of shield structure of the on-line testing device of DC power system insulation monitoring device of the utility model is put
Big figure；
Fig. 5 is that a kind of sliding slot of on-line testing device of DC power system insulation monitoring device of the utility model overlooks knot
Structure schematic diagram；
Fig. 6 is that a kind of door side view of the on-line testing device of DC power system insulation monitoring device of the utility model is cutd open
Face figure；
Fig. 7 is DC power system working principle diagram in the prior art；
Fig. 8 is DC power system insulation monitoring device on-line testing instrument structural schematic diagram in the prior art；
Fig. 9 is DC power system insulation monitoring device on-line testing instrument structural block diagram in the prior art.
In figure: 1, heat-dissipating casing；2, crust of the device；3, device case lid；4, cooling fin；5, it is open；6, working power interface；
7, LED display；8, jack；9, hinge；10, through-hole；11, fixation hole；12, sliding slot；13, door；14, handle；15, it slides
Column；16, rotary shaft；17, wind spring.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of DC power system insulation of the utility model
The on-line testing device of monitoring device, including heat-dissipating casing 1, crust of the device 2 and device case lid 3, crust of the device 2 are placed on heat dissipation
The inside of shell 1, the surrounding of heat-dissipating casing 1 are equidistantly fixed with several cooling fins 4,1 one side bottom of heat-dissipating casing
Edge offers opening 5, and the edge of 2 one side bottom of crust of the device offers working power interface 6, and working power interface
6 with opening 5 corresponding settings, the side on 2 top of crust of the device is embedded with LED display 7, the other side on 2 top of crust of the device
It is fixed with jack 8, an avris at 2 top of crust of the device is hinged by hinge 9 and device case lid 3, and the top of device case lid 3 is opened
Equipped with through-hole 10, fixation hole 11 and sliding slot 12, sliding slot 12 is in semicircular arc-shaped, the circular arc heart of fixation hole 11 and sliding slot 12, through-hole 10
The center of circle, the center of circle of fixation hole 11 and one end of sliding slot 12 be on same straight line, the top of through-hole 10 is provided with cap rotating device,
Cap rotating device includes door 13, handle 14, slide post 15 and rotary shaft 16, and the bottom end of handle 14 and the side on 13 top of door are solid
The top of fixed connection, slide post 15 and rotary shaft 16 is fixedly connected with the two sides of 13 bottom end of door respectively, and slide post 15 is plugged in
In sliding slot 12, handle 14 and slide post 15 are located at the same side of device case lid 3, rotary shaft 16 be plugged in fixation hole 11 and with dress
Case lid 3 is set to be fixedly connected.
Wherein, the rotation junction of fixation hole 11 and rotary shaft 16 is provided with wind spring 17, the inner ring and rotary shaft of wind spring 17
16 outer wall is fixedly connected, and the outer ring of wind spring 17 is fixedly connected with the inner wall of fixation hole 11, and setting wind spring 17 can be in door 13
Apply an elastic force after opening to it, can allow automatic returning under the action of 17 elastic force of wind spring of door 13 former after use in this way
Position.
Wherein, the rotation junction of rotary shaft 16 and device case lid 3 is fixed with rolling bearing, the inner ring of rolling bearing with
The surface of 16 bottom of rotary shaft is fixedly connected, and in this way while rotary shaft 16 is fixed, guarantees that rotary shaft 16 can be just
Normal rotation.
Wherein, several cooling fins 4 are vertical fixed, and the cross section of cooling fin 4 is in fin shape, and cross section is in fin shape
Cooling fin 4 can increase the contact area of heat-dissipating casing 1 Yu air, be conducive to accelerate heat dissipation, to the component in crust of the device 2
It is effectively protected.
Wherein, jack 8 and through-hole 10 are six and are divided into three groups, the setting corresponding with jack 8 of through-hole 10, in this way can be with
Guarantee that external conducting wire is smoothly inserted into jack 8, the top for reducing crust of the device 2 is contacted with the dust in air, to dress
It sets and is effectively protected inside the top machine of shell 2.
Wherein, seal gasket, and the bottom on the top of seal gasket and door 13 are provided between door 13 and device case lid 3
End is fixedly connected, and can guarantee the leakproofness between door 13 and device case lid 3 in this way, will not in effective guarantee crust of the device 2
Into dust.
When work, first by the whole inside for being placed into heat-dissipating casing 1 of crust of the device 2, the heat dissipation for thering is copper material to manufacture
The heat that shell 1 generates when effectively crust of the device 2 can work timely is transferred to outside, and in addition cross section is in fin shape
Cooling fin 4 can increase the contact area of heat-dissipating casing 1 Yu air, be conducive to accelerate heat dissipation, to first device in crust of the device 2
Part is effectively protected, and external power supply is inserted into working power interface 6 and inside crust of the device 2 from opening 5
Digital adjustable milliampere current source, digital adjustable alternating current source are connected with digital adjustable resistor, then are held handle 14 and surrounded
Rotary shaft 16 rotate door 13, when door 13 rotates, wind spring 17 can apply an elastic force, and slide post to rotary shaft 16
15 can guarantee that door 13 is moved in fixed track, and when slide post 15 is moved to the other end of sliding slot 12, external is led
Line is inserted into jack 8 from through-hole 10, and at this moment the electric elements inside crust of the device 2 can be carried out normally working, and allows dress
The operation quality insulating monitoring dress of DC power system branch leakage current test Current Transmit can be found in time by setting shell 2
It sets the quality of operating condition and waits the operation conditions of important components, operation conditions quality prevents from not alarming because of DC system fault
Cause electric power accident, extract external conducting wire after use, door 13 can return automatically under the elastic force effect of wind spring 17
It is grouped into original position, the top of crust of the device 2 is effectively protected, can as much as possible reduce 2 top of crust of the device in this way
Contact with dust in air avoids dust from entering the inside of crust of the device 2 as far as possible, effectively protects crust of the device 2
The service life of internal component.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of on-line testing device of DC power system insulation monitoring device, which is characterized in that including heat-dissipating casing (1),
Crust of the device (2) and device case lid (3), crust of the device (2) are placed on the inside of heat-dissipating casing (1), the surrounding of heat-dissipating casing (1)
Several cooling fins (4) are equipped with, heat-dissipating casing (1) side is equipped with opening (5), and working power interface (6) and opening (5) are opposite
It should be arranged, the other side on crust of the device (2) top is fixed with jack (8), and the avris at the top of crust of the device (2) passes through hinge
(9) hingedly with device case lid (3), through-hole (10), fixation hole (11) and sliding slot (12) are offered at the top of device case lid (3), it is sliding
Slot (12) is in semicircular arc-shaped, the circular arc heart of fixation hole (11) and sliding slot (12), the center of circle of through-hole (10), fixation hole (11) the center of circle
It is on same straight line with one end of sliding slot (12), through-hole is provided with cap rotating device at the top of (10).
2. a kind of on-line testing device of DC power system insulation monitoring device according to claim 1, feature exist
In, the cap rotating device include door (13), handle (14), slide post (15) and rotary shaft (16), the bottom end of handle (14) with
The side on door (13) top is fixedly connected, the top of slide post (15) and rotary shaft (16) respectively with door (13) bottom end two
Side is fixedly connected, and slide post (15) is plugged in sliding slot (12), and handle (14) is located at the same of device case lid (3) with slide post (15)
Side, rotary shaft (16) are plugged in fixation hole (11) and are fixedly connected with device case lid (3).
3. a kind of on-line testing device of DC power system insulation monitoring device according to claim 1 or 2, feature
It is, the rotation junction of the fixation hole (11) and rotary shaft (16) is provided with wind spring (17), the inner ring of the wind spring (17)
It is fixedly connected with the outer wall of rotary shaft (16), the outer ring of the wind spring (17) is fixedly connected with the inner wall of fixation hole (11).
4. a kind of on-line testing device of DC power system insulation monitoring device according to claim 2, feature exist
In the rotation junction of the rotary shaft (16) and device case lid (3) is fixed with rolling bearing, the inner ring of the rolling bearing
It is fixedly connected with the surface of rotary shaft (16) bottom.
5. a kind of on-line testing device of DC power system insulation monitoring device according to claim 1 or 2, feature
It is, several described cooling fins (4) are vertical fixed, and the cross section of the cooling fin (4) is in fin shape.
6. a kind of on-line testing device of DC power system insulation monitoring device according to claim 1, feature exist
In the jack (8) and through-hole (10) are six and are divided into three groups, through-hole (10) setting corresponding with jack (8).
7. a kind of on-line testing device of DC power system insulation monitoring device according to claim 2 or 4, feature
It is, is provided with seal gasket, and the top of the seal gasket and door between the door (13) and device case lid (3)
(13) bottom end is fixedly connected.
8. a kind of on-line testing device of DC power system insulation monitoring device according to claim 1, feature exist
In crust of the device (2) top is embedded with LED display (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047385.5U CN209471230U (en) | 2019-01-09 | 2019-01-09 | A kind of on-line testing device of DC power system insulation monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920047385.5U CN209471230U (en) | 2019-01-09 | 2019-01-09 | A kind of on-line testing device of DC power system insulation monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796231A (en) * | 2020-06-23 | 2020-10-20 | 中南华兴科技有限公司 | Portable high-voltage electrified display testing device |
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2019
- 2019-01-09 CN CN201920047385.5U patent/CN209471230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796231A (en) * | 2020-06-23 | 2020-10-20 | 中南华兴科技有限公司 | Portable high-voltage electrified display testing device |
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