CN104901671B - A kind of inductance approach switch - Google Patents
A kind of inductance approach switch Download PDFInfo
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- CN104901671B CN104901671B CN201510231411.6A CN201510231411A CN104901671B CN 104901671 B CN104901671 B CN 104901671B CN 201510231411 A CN201510231411 A CN 201510231411A CN 104901671 B CN104901671 B CN 104901671B
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- mounting
- inductance approach
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Abstract
The invention discloses a kind of inductance approach switch, including Switch main body, it is characterised in that：The external connection of the switch is with Switch main body to be detachably connected, the back side of Switch main body is equipped with mounting and fixing support, the two is bolted, the Switch main body is equipped with the indicator light being connected with internal circuit, connector is equipped between external connection and Switch main body, connector includes plug and socket, socket is arranged on Switch main body, plug is arranged on the end of external connection, and the mounting and fixing support is equipped with channel-shaped trepanning, and bolt passes through channel-shaped trepanning, bolt is threadedly coupled with hex nut, it is easy to use, it is easy to repair, improve efficiency.
Description
Technical field
The present invention relates to power switch field, more particularly to a kind of inductance approach switch.
Background technology
Inductance approach switch is made of three parts：Oscillator, switching circuit and amplification output circuit.Oscillator generates
One alternating magnetic field.When metal target is close to this magnetic field, and reaches distance of reaction, vortex is generated in metal target, from
And lead to oscillatory extinction, so that failure of oscillation.Oscillator vibrates and the variation of failure of oscillation is processed and converted to switch by rear class amplifying circuit
Signal triggers drive control device, so as to reach contactless testing goal.
According to for many years close to the reason of switch fault and empirical analysis, we have concluded that following reason.
Environmental factor：Coal pulverizer running environment dust is larger, and temperature is higher, and vibration is big, belongs to electronic product close to switch,
Influenced by ambient temperature very big, often usage time is burnt out not long, the abnormal cisco unity malfunction of feedback signal.
It is of poor quality close to switching：There are many this kind of close switch producer of China's production at present, and product quality is irregular, adds
Counterfeit and shoddy goods, OEM product it is more, cause equipment quality unqualified, failure rate is also very big, therefore strengthens the matter of spare unit
Amount and reliability are very necessary.
Close to switch wire connection complexity：What the factory used at present exchanges two-wire system wiring close to switch for 220V, replaces switch
When have to disconnect 220V power supplys, by switch leads with cable welding together with, in order to replace convenient and save the time, maintenance people
Both ends line is often only threaded together just by member, invisible in this way to cause the illusive security risk of wiring, in addition at coal pulverizer
Vibration is big, and the possibility that cable disconnects is increased by, and the replacement switch complicated time is long, and maintenance workload also increases, operations staff
Operation order is complicated.
Invention content
The technical problems to be solved by the invention are to provide a kind of inductance approach switch, to solve to cause in the prior art
The above-mentioned defects.
To achieve the above object, the present invention provides following technical solution：A kind of inductance approach switch, including switch originally
Body, for the external connection of the switch with Switch main body to be detachably connected, the back side of Switch main body is equipped with mounting and fixing support, the two spiral shell
It tethers and connects, which is equipped with the indicator light being connected with internal circuit, and connection is equipped between external connection and Switch main body
Device, connector include plug and socket, and socket is arranged on Switch main body, and plug is arranged on the end of external connection, the installation
Fixed frame is equipped with channel-shaped trepanning, and bolt passes through channel-shaped trepanning, and bolt is threadedly coupled with hex nut.
Preferably, the lateral wall of the socket is equipped with external screw thread, and the outside of plug is equipped with lantern ring, and lantern ring inner wall is equipped with phase
The internal thread matched.
Preferably, the outside of the lantern ring is equipped with rubber layer, and rubber layer is equipped with antiskid particles.
Preferably, the mounting and fixing support is equipped with strip slot, and the back side of the Switch main body is equipped with sliding block, sliding block setting
In strip slot.
Preferably, the mounting and fixing support is equipped with groove at the back side of channel-shaped trepanning, the width of groove and hex nut
Equivalent width, hex nut are arranged in groove.
It is using the advantageous effect of above technical scheme：External connection is plug-type structure, and power-off can not had to by replacing,
Coal pulverizer also can be replaced easily when running, and replace succinct convenience, and without bonding wire, speed is fast, substantially reduces maintenance
The workload and working strength of personnel；Originally used close to switch from the appearance point of view, lacked switch tail portion state electronics refer to
Show lamp, and the switch newly used has state electronics indicator light, very convenient service personnel judges the accuracy of switch quality, when opening
Close contacting metal object when indicator light will when red display switch action, otherwise switch fault needs to change.And old type tube is opened
Close due to there is no indicator light, can only according to DCS show judge, can cause secondary circuit, channel failure etc. cause state accidentally hair and
Switch normal false judgment；Originally what is used corresponds to pore-throat close to switch installation fixed screw holes using 5 screws of Φ, switchs position
Fixed no activity space is put, after fixed frame displacement or deformation, position of the switch variation can cause accidentally to send out or refuse heat condition.And change
Switch after making increases the fixed frame of channel-shaped trepanning, can inching switch position as the case may be, deft design, flexible side
Just, practicability is very strong.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of mounting and fixing support；
Fig. 3 is the structure diagram of connector；
Fig. 4 is the structure diagram of lantern ring.
Wherein, 1-- Switch main bodies, 2-- external connections, 3-- connectors, 4-- mounting and fixing supports, 5-- bolts, 6-- indicator lights,
7-- plugs, 8-- sockets, the trepanning of 9-- channel-shaped, 10-- hex nuts, 11-- lantern rings, 12-- rubber layers, 13-- antiskid particles,
14-- strip slots, 15-- sliding blocks, 16-- grooves.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1, Fig. 2 and Fig. 3 show the specific embodiment of the present invention：A kind of inductance approach switch, including Switch main body
1, to be detachably connected, the back side of Switch main body 1 is equipped with mounting and fixing support 4 for the external connection 2 of the switch and Switch main body 1, and two
Person's bolt 5 connects, which is equipped with the indicator light 6 being connected with internal circuit, between external connection 2 and Switch main body 1
Equipped with connector 3, connector 3 includes plug 7 and socket 8, and socket 8 is arranged on Switch main body 1, and plug 7 is arranged on external connection 2
End, the mounting and fixing support 4 is equipped with channel-shaped trepanning 9, and bolt 5 passes through channel-shaped trepanning 9, bolt 5 and 10 spiral shell of hex nut
Line connects.
The lateral wall of socket 8 is equipped with external screw thread, and the outside of plug 7 is equipped with lantern ring 11, and 11 inner wall of lantern ring is equipped with what is matched
Internal thread；The outside of lantern ring 11 is equipped with rubber layer 12, and rubber layer 12 is equipped with antiskid particles 13；Mounting and fixing support 4 is equipped with item
Shape slot 14, the back side of the Switch main body 1 are equipped with sliding block 15, and sliding block 15 is arranged in strip slot 14；Mounting and fixing support 4 is in channel-shaped
The back side of trepanning 9 is equipped with groove 16, and the width of groove 16 and the equivalent width of hex nut 10, hex nut 10 are arranged on groove
In 16.
External connection is plug-type structure, and power-off can not had to by replacing, and coal pulverizer also can be replaced easily when running, and
Replace succinct convenience, without bonding wire, speed is fast, substantially reduces the workload and working strength of service personnel；Originally make
Close to switch from the appearance point of view, having lacked the state electronics indicator light of switch tail portion, and the switch newly used has state electricity
Sub- indicator light, very convenient service personnel judge the accuracy of switch quality, and when switch contact metal object, indicator light will be red
The bright display switch action of lamp, otherwise switch fault needs to change.And the switch of old type tube is not due to having indicator light, it can only be according to DCS
Display judges, can cause secondary circuit, channel failure etc. that state is caused accidentally to send out and switch normal false judgment；Originally it used
Pore-throat is corresponded to using 5 screws of Φ close to switch installation fixed screw holes, no activity space is fixed in the position of the switch, when fixed frame position
After moving or deforming, position of the switch variation can cause accidentally to send out or refuse heat condition.And improved switch increases consolidating for channel-shaped trepanning
Determine frame, it can inching switch position, deft design, flexibly and easily, practicability be very strong as the case may be.
From 2014 compared with No. 1 unit grinding roller lifting in eight months after 2015 is close to switch fault renewal cost, relatively
Former years save switching material expense：
61（It is a）×260（Member/）-8（It is a）×260（Member/）=13780 yuan；
Maintenance number is reduced, reduces personnel labor intensity and saves about 50000 yuan of expense；
Improve coal pulverizer hour utilization rate 53 × 3=159 hours；
If calculated by two units, save within 8 months artificial and Master Cost 2 ×（13780+50000）=63780 yuan.
It is higher close to switch relative safety using new plug-type tape light, do not have to carve when replacing switch first
Meaning stop grinding, replace switch when a few minutes in can complete field, greatly reduce workload and working strength, while coal-grinding can be reduced
Strong guarantor has been carried out in as many as machine overhauling time, the 159 hours standby time of longer coal pulverizer, the safe operation for unit
Barrier.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of inductance approach switch, including Switch main body, it is characterised in that：The external connection of the switch is with Switch main body
It is detachably connected, the back side of Switch main body is equipped with mounting and fixing support, and the two is bolted, which is equipped with and inside electricity
The indicator light that road is connected, is equipped with connector between external connection and Switch main body, connector includes plug and socket, socket setting
On Switch main body, plug is arranged on the end of external connection, and the mounting and fixing support is equipped with channel-shaped trepanning, and bolt passes through channel-shaped
Trepanning, bolt are threadedly coupled with hex nut.
2. inductance approach switch according to claim 1, it is characterised in that：The lateral wall of the socket is equipped with outer spiral shell
Line, the outside of plug are equipped with lantern ring, and lantern ring inner wall is equipped with the internal thread to match.
3. inductance approach switch according to claim 2, it is characterised in that：The outside of the lantern ring is equipped with rubber layer,
Rubber layer is equipped with antiskid particles.
4. inductance approach switch according to claim 1, it is characterised in that：The mounting and fixing support is equipped with strip
Slot, the back side of the Switch main body are equipped with sliding block, and sliding block is arranged in strip slot.
5. inductance approach switch according to claim 1, it is characterised in that：The mounting and fixing support is in channel-shaped trepanning
The back side is equipped with groove, and the width of groove and the equivalent width of hex nut, hex nut are arranged in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231411.6A CN104901671B (en) | 2015-05-08 | 2015-05-08 | A kind of inductance approach switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231411.6A CN104901671B (en) | 2015-05-08 | 2015-05-08 | A kind of inductance approach switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104901671A CN104901671A (en) | 2015-09-09 |
| CN104901671B true CN104901671B (en) | 2018-06-19 |
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ID=54034094
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510231411.6A Active CN104901671B (en) | 2015-05-08 | 2015-05-08 | A kind of inductance approach switch |
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| Country | Link |
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| CN (1) | CN104901671B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786069A (en) * | 2019-02-14 | 2019-05-21 | 绵阳伟成科技有限公司 | A kind of multinomial coupling inductor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655481Y (en) * | 2003-09-30 | 2004-11-10 | 郭德平 | Fastened switch socket panel and bottom box |
| CN202488423U (en) * | 2012-01-16 | 2012-10-10 | 浙江沪工自动化科技有限公司 | Inductive proximity switch |
| CN104300957A (en) * | 2014-08-20 | 2015-01-21 | 上海索迪龙自动化有限公司 | High voltage resistant inductance approach switch |
| CN204144185U (en) * | 2014-11-01 | 2015-02-04 | 国家电网公司 | A kind of novel breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10035996B4 (en) * | 2000-07-25 | 2004-03-04 | Balluff Gmbh | proximity switch |
-
2015
- 2015-05-08 CN CN201510231411.6A patent/CN104901671B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655481Y (en) * | 2003-09-30 | 2004-11-10 | 郭德平 | Fastened switch socket panel and bottom box |
| CN202488423U (en) * | 2012-01-16 | 2012-10-10 | 浙江沪工自动化科技有限公司 | Inductive proximity switch |
| CN104300957A (en) * | 2014-08-20 | 2015-01-21 | 上海索迪龙自动化有限公司 | High voltage resistant inductance approach switch |
| CN204144185U (en) * | 2014-11-01 | 2015-02-04 | 国家电网公司 | A kind of novel breaker |
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|---|---|
| CN104901671A (en) | 2015-09-09 |
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