CN205749189U - A kind of bellows-type SF of band remote transfer signal6density controller - Google Patents
A kind of bellows-type SF of band remote transfer signal6density controller Download PDFInfo
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- CN205749189U CN205749189U CN201620685711.1U CN201620685711U CN205749189U CN 205749189 U CN205749189 U CN 205749189U CN 201620685711 U CN201620685711 U CN 201620685711U CN 205749189 U CN205749189 U CN 205749189U
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- corrugated tube
- circuit board
- air chamber
- tube
- movable plate
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Abstract
The utility model discloses bellows-type SF of a kind of band remote transfer signal6Density controller, including body and the body joint that is arranged on outer body, body joint is connected with measuring air chamber；This is the most internal is provided with system bourdon tube, reference rounds reed pipe, dial plate, be arranged on dial plate in be provided with movement, pull bar, base, the upper mounted plate being arranged on base, upper corrugated tube, lower corrugated tube, movable plate, microswitch, circuit board, binding post, teletransmission circuit board and the pressure transducer that pointer is connected with pointer, pressure transducer is connected with body joint, for gathering the SF measuring air chamber6Gas pressure.It is possible not only to make the SF in high-voltage switch gear air chamber6Gas density value shows accurately, it is simple to Field Force observes, it is also possible to accurately, reliably by SF6The relevant parameter signal of gas density is delivered to control backstage.
Description
Technical field
This utility model belongs to high-tension switch gear Condition Monitoring Technology field, relates to the corrugated tube of a kind of band remote transfer signal
Formula SF6Density controller, SF in high-voltage switch gear6The density of gas, pressure, temperature online status monitoring.
Background technology
Present stage, along with the intelligentized proposition of electrical network, increasing "smart" products are progressively used；At power transmission and transformation line
Lu Zhong, high-voltage switch gear plays particularly important effect, and most of high-voltage switch gear uses with SF6Gas is dielectric,
By to SF6The monitoring of gas density value size can realize the insulating properties of high-voltage switch gear, the judgement of gas leakage；Great majority
High-voltage switch gear enterprise uses SF6Density monitor realizes the safety early warning before high-voltage switch gear switching and protection.
In the market, telemetering type SF6Density controller great majority are with mechanical part and teletransmission part, mechanical part master
Bourdon tube to be used is flexible member, is exported the SF of setting by the switching of electric contact6The relevant parameter of gas density；By
In electric contact and the restriction of density domination internal structure, under the significant shock that high-voltage switch gear interrupting process produces, if now
Electric contact contact is set to normally opened, can make instantaneous disconnection between electric shock, sends the signal of mistake, and the most this density controller exists
Status contacts during work can only be arranged to normally opened；As time goes on, the electric contact contact table under this normally open
Face can form oxide layer, it may appear that the phenomenon that contact is the most obstructed, brings the biggest safety to the operation of high-voltage switch gear
Hidden danger.Also has a kind of mechanical type SF6Density controller, employing corrugated tube is flexible member, by the contact switching of microswitch
The SF that output is arranged6The relevant parameter of gas density；Owing to microswitch small volume, internal structure are compact, have the highest anti-
Shock stability, thus contact could be arranged to normally closed, reduces probability obstructed during contact to a certain extent；But by ripple
The restriction of pipe performance, it is impossible to carry out gamut instruction, be unsatisfactory for SF6The national standard of density controller；Teletransmission part great majority
Use pressure transducer and temperature sensor, by measuring SF6Gas pressure and thermometer calculate SF6Gas the closeest
Angle value, is transferred to background monitoring room by cable, remotely monitors.
Utility model content
The technical problems to be solved in the utility model is to provide bellows-type SF of a kind of band remote transfer signal6Density domination
Device.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
A kind of bellows-type SF of band remote transfer signal6Density controller, including body and the basis that is arranged on outer body
Body joint, described body joint is connected with measuring air chamber；Described internal is provided with:
One system bourdon tube, the inlet end of described system bourdon tube is connected with body joint by capillary tube, and in measurement
Air chamber is connected；
One reference rounds reed pipe, one end of described reference rounds reed pipe is connected by sealing with the other end of system bourdon tube, and
Seal；The other end of described reference rounds reed pipe is closed；
One dial plate, is provided with pointer in described dial plate；
One movement, one end of described movement is connected with pointer；
One pull bar, one end that one end of described pull bar is closed with reference rounds reed pipe is connected, and the other end is connected with movement；
One base, a upper mounted plate is installed by stud in the top of described base；
Corrugated tube on one, described upper corrugated tube is arranged on the lower section of upper mounted plate, and one end seal is closed；
Corrugated tube once, described lower corrugated tube is arranged on base, and capillary tube and this are passed through in one end of described lower corrugated tube
Body joint connects, and connects in measuring air chamber；The other end of described lower corrugated tube is connected with upper corrugated tube by sealing；
One movable plate, described movable plate is arranged on lower corrugated tube, and produces displacement with the deformation of lower corrugated tube；
One microswitch, is provided with regulation screw between described microswitch and movable plate, described regulation screw is by movable plate
Control, be used for touching the button in microswitch under the motive force of movable plate；
One circuit board, described circuit board connects a binding post by wire；
One teletransmission circuit board, described teletransmission circuit board is arranged on above upper mounted plate, and described teletransmission circuit board passes through wire
Connect binding post；
One pressure transducer, described pressure transducer is connected with body joint, for gathering the SF measuring air chamber6Gas pressure
Power.
In an embodiment of the present utility model, described outer body is additionally provided with a water joint, described water joint
For drawing the holding wire of body interior.
In an embodiment of the present utility model, described teletransmission circuit board is provided with temperature sensor, and described temperature passes
Sensor is used for carrying out ambient temperature measurement.
By technique scheme, the beneficial effects of the utility model are:
This utility model is possible not only to make the SF in high-voltage switch gear air chamber6Gas density value shows accurately, it is simple to
Field Force observes；Can also be accurate, reliably by SF6The relevant parameter signal of gas density is delivered to control backstage；Especially
To SF6Nonpassage of signal or signal output instability that density controller occurs in the course of the work have improvement greatly；In real time
Transmission SF6The pressure of gas, density, temperature parameter value are to remote port, especially to remote transformer station and unattended transformer station
Provide reliable technical support.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is this utility model structural representation；
Numeral and the corresponding component title represented by letter in figure:
10, body 20, body joint 30, system bourdon tube 40, reference rounds reed pipe 50, dial plate 60, pointer 70, machine
Core 80, pull bar 90, base 91, stud 92, upper mounted plate 100, upper corrugated tube 110, lower corrugated tube 120, movable plate
130, microswitch 140, circuit board 150, teletransmission circuit board 160, pressure transducer 170, regulation screw 180, terminals
Son 190, water joint.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
Shown in participation Fig. 1, the utility model discloses bellows-type SF of a kind of band remote transfer signal6Density controller, bag
Including body 10 and be arranged on the body joint 20 of outer body, body joint 20 is connected with measuring air chamber；It is provided with in body 10
Movement 70 that system bourdon tube 30, reference rounds reed pipe 40, dial plate 50, the pointer 60 that is arranged in dial plate are connected with pointer, pull bar
80, base 90, upper corrugated tube 100, lower corrugated tube 110, movable plate 120, microswitch 130, circuit board 140, teletransmission circuit board
150 and pressure transducer 160；Outer body is additionally provided with a water joint 190, and water joint is for drawing body interior
Holding wire.
The inlet end of system bourdon tube 30 is connected with body joint 20 by capillary tube, and connects in measuring air chamber；Standard
One end of bourdon tube 40 is connected by sealing with the other end of system bourdon tube 30, and seals；The other end of reference rounds reed pipe 40
Close；One end that one end of pull bar 80 is closed with reference rounds reed pipe 40 is connected, and the other end is connected with movement 70；The top of base 90
By stud 91, a upper mounted plate 92 is installed；Upper corrugated tube 100 is arranged on the lower section of upper mounted plate 92, and one end seal is closed；Lower ripple
Stricture of vagina pipe 110 is arranged on base 90, and one end of lower corrugated tube 110 is connected with body joint 20 by capillary tube, and in measuring gas
Room is connected；The other end of lower corrugated tube 110 is connected with upper corrugated tube 100 by sealing；Movable plate 120 is arranged on lower corrugated tube
On 110, and produce displacement with the deformation of lower corrugated tube 110；Regulation screw it is provided with between microswitch 130 and movable plate 120
170, regulation screw 170 is controlled by movable plate 120, is used for touching pressing in microswitch 130 under the motive force of movable plate 120
Button；Circuit board 140 connects a binding post 180 by wire；Teletransmission circuit board 150 is arranged on above upper mounted plate 92, teletransmission
Integrated on circuit board 150 being provided with temperature sensor, temperature sensor is used for carrying out ambient temperature measurement, and teletransmission circuit board 150 leads to
Cross wire and connect binding post 180；Pressure transducer is connected with body joint, for gathering the SF measuring air chamber6Gas pressure.
Operationally, body joint 20 is connected this utility model with measuring air chamber, and dual spring pipe is as display part, and it is
System bourdon tube 30 communicates with measuring air chamber, and system bourdon tube 30 deforms upon along with the change of gas pressure, system bourdon tube 30
Deformation is shown as pointer 60 deflected by movement 70, so from dial plate 50 readable go out gas density value；Reference rounds reed pipe 40
To temperature compensation function；The SF of rated pressure it is filled with in standard pipe6Gas, when ambient temperature changes, standard spring
Pipe 40 and system bourdon tube 50 deformation offset, and therefore, in the case of gas is not revealed, the change of temperature will not cause finger
The deflection of pin, reaches the effect of temperature-compensating, thus can accurately demonstrate the SF in switching gas chamber6Gas density；Double wave
Stricture of vagina pipe is as segment signal output, and its lower corrugated tube 110 is identical with measuring air chamber, and lower corrugated tube 110 finds shape with pressure change
Becoming, produce certain displacement, drive adjustable plate 120 to move, adjustable plate 120 drives regulation screw 170 to touch microswitch 130
Button, and then send SF6Gas density parameter signal；Upper corrugated tube 100 plays temperature compensation function；In upper corrugated tube 100
It is filled with the SF of rated pressure6Gas, upper corrugated tube 100 and lower corrugated tube 110 use the corrugated tube of same specification and size,
When ambient temperature changes, upper corrugated tube 100 and the deformation of lower corrugated tube 110 offset, and when gases did escape, pass through
Microswitch output signal；Teletransmission part, is connected with body joint 20 by pressure transducer 160, gathers and measures SF in air chamber6
The pressure of gas, the temperature sensor on teletransmission circuit board 150 carries out ambient temperature measurement, is obtained by relevant computing formula
To real-time SF6Gas density value, is shown to operate backstage eventually through data transmission, it is possible to by relevant device teletransmission to phase
Close base.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. bellows-type SF of a band remote transfer signal6Density controller, including body and be arranged on the body of outer body and connect
Head, described body joint is connected with measuring air chamber；It is characterized in that, described internal is provided with:
One system bourdon tube, the inlet end of described system bourdon tube is connected with body joint by capillary tube, and in measuring air chamber
Connect；
One reference rounds reed pipe, one end of described reference rounds reed pipe is connected by sealing with the other end of system bourdon tube, and seals；
The other end of described reference rounds reed pipe is closed；
One dial plate, is provided with pointer in described dial plate；
One movement, one end of described movement is connected with pointer；
One pull bar, one end that one end of described pull bar is closed with reference rounds reed pipe is connected, and the other end is connected with movement；
One base, a upper mounted plate is installed by stud in the top of described base；
Corrugated tube on one, described upper corrugated tube is arranged on the lower section of upper mounted plate, and one end seal is closed；
Corrugated tube once, described lower corrugated tube is arranged on base, and one end of described lower corrugated tube is connect with body by capillary tube
Head connects, and connects in measuring air chamber；The other end of described lower corrugated tube is connected with upper corrugated tube by sealing；
One movable plate, described movable plate is arranged on lower corrugated tube, and produces displacement with the deformation of lower corrugated tube；
One microswitch, is provided with regulation screw between described microswitch and movable plate, described regulation screw by movable plate control,
It is used for touching the button in microswitch under the motive force of movable plate；
One circuit board, described circuit board connects a binding post by wire；
One teletransmission circuit board, described teletransmission circuit board is arranged on above upper mounted plate, and described teletransmission circuit board is connected by wire
Binding post；
One pressure transducer, described pressure transducer is connected with body joint, for gathering the SF measuring air chamber6Gas pressure.
Bellows-type SF of a kind of band remote transfer signal the most according to claim 16Density controller, it is characterised in that described
Outer body is additionally provided with a water joint, and described water joint is for drawing the holding wire of body interior.
Bellows-type SF of a kind of band remote transfer signal the most according to claim 16Density controller, it is characterised in that described
Teletransmission circuit board is provided with temperature sensor, and described temperature sensor is used for carrying out ambient temperature measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685711.1U CN205749189U (en) | 2016-07-01 | 2016-07-01 | A kind of bellows-type SF of band remote transfer signal6density controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685711.1U CN205749189U (en) | 2016-07-01 | 2016-07-01 | A kind of bellows-type SF of band remote transfer signal6density controller |
Publications (1)
| Publication Number | Publication Date |
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| CN205749189U true CN205749189U (en) | 2016-11-30 |
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| CN201620685711.1U Active CN205749189U (en) | 2016-07-01 | 2016-07-01 | A kind of bellows-type SF of band remote transfer signal6density controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255601A (en) * | 2017-07-20 | 2017-10-17 | 合肥裕朗机电科技有限公司 | A kind of transformer SF6 gas density is measuring apparatus |
| CN108550499A (en) * | 2018-04-27 | 2018-09-18 | 朗松珂利(上海)仪器仪表有限公司 | Sulfur hexafluoride gas density relay and its assembly technology |
| CN109213214A (en) * | 2017-07-03 | 2019-01-15 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas density controller |
-
2016
- 2016-07-01 CN CN201620685711.1U patent/CN205749189U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213214A (en) * | 2017-07-03 | 2019-01-15 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas density controller |
| CN109213214B (en) * | 2017-07-03 | 2024-04-02 | 国网安徽省电力公司电力科学研究院 | Mixed gas density controller |
| CN107255601A (en) * | 2017-07-20 | 2017-10-17 | 合肥裕朗机电科技有限公司 | A kind of transformer SF6 gas density is measuring apparatus |
| CN107255601B (en) * | 2017-07-20 | 2020-05-08 | 合肥裕朗机电科技有限公司 | Transformer SF6 gas density measuring equipment |
| CN108550499A (en) * | 2018-04-27 | 2018-09-18 | 朗松珂利(上海)仪器仪表有限公司 | Sulfur hexafluoride gas density relay and its assembly technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |