CN107978465A - High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process - Google Patents
High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process Download PDFInfo
- Publication number
- CN107978465A CN107978465A CN201711329224.7A CN201711329224A CN107978465A CN 107978465 A CN107978465 A CN 107978465A CN 201711329224 A CN201711329224 A CN 201711329224A CN 107978465 A CN107978465 A CN 107978465A
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- China
- Prior art keywords
- switch cabinet
- tension switch
- contact
- temperature
- alarm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of high-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process, at least alarm unit all the way is equipped with the shell of heating alarm device, alarm unit includes temperature-sensitive and driving element and the elastic mechanism with contact circuit, temperature-sensitive and driving element are to be contradicted using flexible member made of marmem, elastic mechanism on temperature-sensitive and driving element；Foregoing heating alarm device is equipped with the breaker chamber of the high-tension switch cabinet body of high-tension switch cabinet；Application process step includes realizing the alarm of different temperatures based on multiple alarm unit.It is strong interference immunity of the present invention, simple in structure, compact, simple installation, of low cost, safe and can realize Multi-stage alarming, suitable for field working conditions environment.
Description
Technical field
The present invention relates to high-tension switch cabinet contact heat warning effect technology, and in particular to a kind of height based on marmem
Compress switch cabinet contact heating alarm device, high-tension switch cabinet and application process, and the thermo-responsive characteristic based on marmem is real
It is existing, have sensing and the function of driving concurrently.
Background technology
High-tension switch cabinet is very important electrical equipment in electric power enterprise, be directly related to electric energy power supply stability and
Reliability.High-tension switch cabinet due to its design, manufacture, installation and the reason such as operation and maintenance, accident rate maintain always one compared with
High level.Wherein thermal fault be again the most failure of faulty middle occurrence frequency.Produce thermal fault the reason on the one hand be
Since there are multiple contacts, electrical equipment tie point, these opening-closing structures can be because of sole mass problem, peace in high-voltage switch cabinet
Dress problem, prolonged break-in oxidation or connection mode do not increase the contact resistance for causing contact surface, when large load current stream
When the contact through the increase of these contact resistances, connector, contact, connector will appear from fever phenomenon；On the other hand it is due to switchgear
Internal generally use enclosed construction, internal heat dissipating condition difference and operational process in cabinet door cannot open, contact, connector produce
Heat is easy to be accumulated by so as to cause inside switch cabinet temperature to raise.Switchgear in-cabinet temperature is excessive will to cause switchgear
Failure even triggers accident, and great economic loss is caused to electric system.Therefore, all the time people all pay much attention to for
The research of temperature monitoring technique in high-tension switch cabinet.
At present, common contact temperature of high-voltage switch cabinet monitoring method mainly has hand to touch cabinet door sense temperature method, thermal resistance
Thermometry, temperature display wax sheet thermometry, optical fiber temperature-measurement method and IR thermometry etc..Although switchgear thermometry compared with horn of plenty,
But each method all has some limitations, accuracy and stability, reliability and anti-interference, the structure letter of monitoring
Unisexuality, compact, simple installation, cost efficiency and security etc. are difficult to take into account.Therefore, it is tight for high-tension switch cabinet
The structure and forceful electric power magnetic environment gathered, develop a set of heating alarm device simple in structure, easy for installation and relative inexpensiveness
There is urgent and real demand.
The content of the invention
The technical problem to be solved in the present invention is：For the above problem of the prior art, there is provided a kind of high-tension switch cabinet touches
Head heating alarm device, high-tension switch cabinet and application process, high-tension switch cabinet contact heating alarm device of the invention are based on shape
The thermo-responsive characteristic of shape memory alloys realizes high-tension switch cabinet contact heat warning effect, and marmem has sensing and the work(of driving concurrently
Can, its transformation temperature can be controlled by the component of design shape memorial alloy, and then different alarm temperatures is set.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
The present invention provides a kind of high-tension switch cabinet contact heating alarm device, including shell, is equipped with least all the way in the shell
Alarm unit, the alarm unit include temperature-sensitive and driving element and the elastic mechanism with contact circuit, the temperature-sensitive and drive
Dynamic element is to be contradicted using flexible member made of marmem, the elastic mechanism on temperature-sensitive and driving element.
Preferably, the temperature-sensitive and driving element are using sleeve structure made of marmem.
Preferably, the elastic mechanism includes push rod and biasing spring, and positioning plate, the pusher slide are equipped with the shell
Dynamic to be arranged on positioning plate, described push rod one end is connected with contact circuit, the other end is equipped with protrusion, and the biasing spring is arranged
In on push rod and one end is contradicted on positioning plate, opposite side is contradicted in the inner side of protrusion.
Preferably, the contact circuit includes contact and a pair of contact, and the contact and a pair of contact are positioned opposite, described
Contact is fixed on the end of push rod, and the pair of contact is fixed on the inner wall of shell, and alarm list is drawn in the pair of contact
The warning output terminal of member.
Preferably, the marmem is NiTi marmems.
Preferably, the marmem for the alarm unit do not gone the same way has different phase point temperatures respectively.
The present invention provides a kind of high-tension switch cabinet, including high-tension switch cabinet body, the open circuit of the high-tension switch cabinet body
Foregoing high-tension switch cabinet contact heating alarm device is equipped with device room.
Preferably, the high-tension switch cabinet body is equipped with alarm, the high-tension switch cabinet contact heating alarm device
Output terminal be connected with alarm.
Preferably, the alarm is audible-visual annunciator.
The present invention provides a kind of application process of foregoing high-tension switch cabinet contact heating alarm device, implementation steps bag
Include：
1）It is described outer in the high-tension switch cabinet contact heating alarm device that the breaker indoor location of high-tension switch cabinet body is foregoing
Multiple alarm unit is equipped with shell, and the marmem of multiple alarm unit has different phase point temperatures respectively；
2）In high-tension switch cabinet body operational process, the open circuit of high-tension switch cabinet body is detected respectively by multiple alarm unit
The temperature of device room, if the temperature of breaker chamber reaches the phase point temperature of any marmem of alarm unit all the way,
The temperature-sensitive of Ze Gai roads alarm unit and driving element deformation elongation promote elastic mechanism to cause contact circuit conducting output alarm signal
Number；If the temperature of breaker chamber is less than the phase point temperature of any marmem of alarm unit all the way, Ze Gai roads report
The temperature-sensitive and driving element deformation retract of alert unit are promoted by elastic mechanism so that contact circuit, which disconnects, stops output alarm signal.
The high-tension switch cabinet contact heating alarm device tool of the present invention has the advantage that：
1st, the high-tension switch cabinet contact heating alarm device of invention realizes high-voltage switch gear based on shape memory alloy heat sensitivity characteristic
Cabinet contact heat warning effect, marmem have concurrently sensing with driving function, have principle it is simple, it is compact-sized, layout close
Reason, the advantages of anti-electromagnetic interference capability is strong, reliability is high, of low cost.
2nd, the high-tension switch cabinet contact heating alarm device of invention realizes high pressure based on shape memory alloy heat sensitivity characteristic
Switch cabinet contact heat warning effect, can control its transformation temperature by the component of design shape memorial alloy, and then set different
Alarm temperature, so as to fulfill the alarm of different temperatures rank.
Brief description of the drawings
Fig. 1 is the structure diagram of high-tension switch cabinet contact heating alarm device of the embodiment of the present invention.
Fig. 2 is the structure diagram of high-tension switch cabinet of the embodiment of the present invention.
Marginal data：1st, shell；11st, positioning plate；2nd, alarm unit；21st, temperature-sensitive and driving element；22nd, elastic mechanism；
221st, push rod；222nd, biasing spring；223rd, protrusion；23rd, contact circuit；231st, contact；232nd, contact；3rd, audible-visual annunciator.
Embodiment
As shown in Figure 1, the present embodiment provides a kind of high-tension switch cabinet contact heating alarm device, including shell 1, shell 1
It is interior be equipped with least alarm unit 2, alarm unit 2 include temperature-sensitive and driving element 21 and the elastic machine with contact circuit 23 all the way
Structure 22, temperature-sensitive and driving element 21 be using flexible member made of marmem, elastic mechanism 22 contradict in temperature-sensitive and
In driving element 21.It is real that the high-tension switch cabinet contact heating alarm device of the present embodiment is based on shape memory alloy heat sensitivity characteristic
Existing high-tension switch cabinet contact heat warning effect, marmem have sensing and the function of driving concurrently, can be remembered by design shape
The component of alloy controls its transformation temperature, and then sets different alarm temperatures, has that principle is simple, compact-sized, layout is closed
Reason, the advantages of anti-electromagnetic interference capability is strong, reliability is high, of low cost.High-tension switch cabinet contact heating alarm device of the present invention
Key technology be shape memory effect using marmem.Marmem (Shape Memory Alloy,
SMA the alloy for) referring to have certain original shape passes through heating at low temperature after plastic deformation and being fixed into another shape
A kind of alloy of original shape can be reverted back to more than to a certain critical-temperature again.What marmem had can remember that it is former
The function of beginning shape is known as shape memory effect (Shape Memory Effect, SME).Marmem is as a kind of special
Different new function material, be integrate perception with driving intellectual material, high-tension switch cabinet contact heat warning effect of the present invention
Crucial sensing driving element will be made using this material in device.
In the present embodiment, temperature-sensitive and driving element 21 are using sleeve structure made of marmem, in addition
Other elastic constructions can also be made as needed, as long as can realize that deformation promotes elastic mechanism 22, its structure is simultaneously
It is not limited to a certain specific mechanism.
As shown in Figure 1, elastic mechanism 22 includes push rod 221 and biasing spring 222, positioning plate 11, push rod are equipped with shell 1
221 are slidably arranged on positioning plate 11, and 221 one end of push rod is connected with contact circuit 23, the other end is equipped with protrusion 223, biased
Spring 222 is sheathed on push rod 221 and one end is contradicted on positioning plate 11, opposite side is contradicted in the inner side of protrusion 223, is passed through
Said structure, it can be ensured that elastic mechanism 22 stablizes rebound.
As shown in Figure 1, contact circuit 23 includes contact 231 and a pair of contact 232, contact 231 and a pair of contact 232 are opposite
Arrangement, contact 231 are fixed on the end of push rod 221, and a pair of contact 232 is fixed on the inner wall of shell 1, and a pair of contact 232
The warning output terminal of alarm unit 2 is drawn, said structure contact is simple, circuit turn-on is reliable and stable.
In the present embodiment, marmem is NiTi marmems, and different transformation temperatures can be obtained by changing its component
Temperature.
In the present embodiment, the marmem for the alarm unit 2 do not gone the same way has different phase point temperatures respectively.
As shown in Fig. 2, the present embodiment provides a kind of high-tension switch cabinet, including high-tension switch cabinet body, high-tension switch cabinet sheet
Foregoing high-tension switch cabinet contact heating alarm device is equipped with the breaker chamber of body（Referring to the label A in Fig. 2）.
As shown in Fig. 2, the present embodiment middle-high voltage switch body is equipped with alarm 3, high-tension switch cabinet contact fever report
The output terminal of alarm device is connected with alarm 3.In the present embodiment, alarm 3 is audible-visual annunciator.In addition it is also possible to according to need
To use other kinds of alarm.
The present embodiment provides a kind of application process of foregoing high-tension switch cabinet contact heating alarm device, implementation steps bag
Include：
1）In the high-tension switch cabinet contact heating alarm device that the breaker indoor location of high-tension switch cabinet body is foregoing, shell 1
It is interior to be equipped with multiple alarm unit 2, and the marmem of multiple alarm unit 2 has different phase point temperatures respectively；
2）In high-tension switch cabinet body operational process, the disconnected of high-tension switch cabinet body is detected respectively by multiple alarm unit 2
The temperature of road device room, if the temperature of breaker chamber reaches the transformation temperature temperature of any marmem of alarm unit 2 all the way
Degree, the temperature-sensitive of Ze Gai roads alarm unit 2 and 21 deformation of driving element elongation promote elastic mechanism 22 that contact circuit 23 is turned on
Output alarm signal；If the temperature of breaker chamber is less than the transformation temperature temperature of any marmem of alarm unit 2 all the way
Degree, the temperature-sensitive and 21 deformation retract of driving element of Ze Gai roads alarm unit 2 are promoted by elastic mechanism 22 so that contact circuit 23 is disconnected
Start-stop stops output alarm signal.
Specifically, 3 road alarm units 2 are equipped with shell 1 in the present embodiment（2#1~2#3）, and 3 road alarm units 2（2#1
~2#3）Marmem there is different phase point temperatures respectively；Using the shape memory effect of marmem,
Three NiTi base marmems springs are designed as temperature-sensitive and driving element 21, by adjusting alloying component, are made it have
Specific phase point temperature, is respectively designated as SMA1, SMA2 and SMA3, their transformation temperature is respectively 57 DEG C, 62 DEG C and 67
DEG C, it is in elongation state in phase point temperature and the above.SMA1, SMA2 and SMA3 are compressed at normal temperatures, are respectively charged into outer
Corresponding position in shell 1.When switch in-cabinet temperature reaches 57 DEG C, SMA1 will be reverted to elongation state by contracted state, so as to push away
Dynamic push rod causes the contact closure of No. 1 warning circuit, connects warning circuit, audible-visual annunciator is sent first group of light and sound report
Alert signal.When high-voltage switch gear in-cabinet temperature reaches 62 DEG C, SMA2 will be reverted to elongation state by contracted state, so as to promote push rod to cause
The contact closure of No. 2 warning circuits, connects warning circuit, audible-visual annunciator is sent second group of light and audible ringing signal.When
When switch in-cabinet temperature reaches 67 DEG C, SMA3 will be reverted to elongation state by contracted state, so as to promote push rod to cause No. 3 warning circuits
Contact closure, connect warning circuit, audible-visual annunciator is sent the 3rd group of light and audible ringing signal.When in high-tension switch cabinet
When temperature is less than alarm temperature, opened in common biasing spring effect lower band movable contact, disconnecting warning circuit.The height of the present embodiment
The cabinet contact heating alarm device that compresses switch can realize 3 grades of alarms, and can effectively prevent switchgear thermal fault causes the pernicious thing such as scaling loss
Therefore generation, easy to switchgear fever monitoring technology popularization and application.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. high-tension switch cabinet contact heating alarm device, it is characterised in that：Including shell（1）, the shell（1）Inside it is equipped with At least alarm unit all the way（2）, the alarm unit（2）Including temperature-sensitive and driving element（21）With with contact circuit（23）'s Elastic mechanism（22）, the temperature-sensitive and driving element（21）For using flexible member made of marmem, the elasticity Mechanism（22）Contradict in temperature-sensitive and driving element（21）On.
- 2. high-tension switch cabinet contact heating alarm device according to claim 1, it is characterised in that：The temperature-sensitive and driving Element（21）For using sleeve structure made of marmem.
- 3. high-tension switch cabinet contact heating alarm device according to claim 1, it is characterised in that：The elastic mechanism （22）Including push rod（221）And biasing spring（222）, the shell（1）It is interior to be equipped with positioning plate（11）, the push rod（221）It is sliding It is dynamic to be arranged in positioning plate（11）On, the push rod（221）One end and contact circuit（23）It is connected, the other end is equipped with protrusion （223）, the biasing spring（222）It is sheathed on push rod（221）Upper and one end is contradicted in positioning plate（11）Upper, opposite side contradicts Protrusion（223）Inner side.
- 4. high-tension switch cabinet contact heating alarm device according to claim 3, it is characterised in that：The contact circuit （23）Including contact（231）And a pair of contact（232）, the contact（231）And a pair of contact（232）It is positioned opposite, it is described to touch Piece（231）It is fixed on push rod（221）End, the pair of contact（232）It is fixed on shell（1）Inner wall on, and described one To contact（232）Draw alarm unit（2）Warning output terminal.
- 5. high-tension switch cabinet contact heating alarm device according to claim 1, it is characterised in that：The shape memory closes Gold is NiTi marmems.
- 6. high-tension switch cabinet contact heating alarm device according to claim 1, it is characterised in that：The alarm list do not gone the same way Member（2）Marmem there is different phase point temperatures respectively.
- 7. a kind of high-tension switch cabinet, including high-tension switch cabinet body, it is characterised in that：The breaker of the high-tension switch cabinet body Interior is equipped with the high-tension switch cabinet contact heating alarm device described in any one in claim 1~6.
- 8. high-tension switch cabinet according to claim 7, it is characterised in that：The high-tension switch cabinet body is equipped with alarm （3）, the output terminal and alarm of the high-tension switch cabinet contact heating alarm device（3）It is connected.
- 9. high-tension switch cabinet according to claim 8, it is characterised in that：The alarm（3）For audible-visual annunciator.
- 10. a kind of application process of the high-tension switch cabinet contact heating alarm device in claim 1~6 described in any one, It is characterized in that implementation steps include：1）High-tension switch cabinet in the breaker indoor location claim 1~6 of high-tension switch cabinet body described in any one Contact heating alarm device, the shell（1）It is interior to be equipped with multiple alarm unit（2）, and multiple alarm unit（2）Shape memory Alloy has different phase point temperatures respectively；2）In high-tension switch cabinet body operational process, pass through multiple alarm unit（2）High-tension switch cabinet body is detected respectively The temperature of breaker chamber, if the temperature of breaker chamber reaches any alarm unit all the way（2）Marmem phase transformation Point temperature, Ze Gai roads alarm unit（2）Temperature-sensitive and driving element（21）Deformation elongation promotes elastic mechanism（22）So that contact Circuit（23）Turn on output alarm signal；If the temperature of breaker chamber is less than any alarm unit all the way（2）Shape memory The phase point temperature of alloy, Ze Gai roads alarm unit（2）Temperature-sensitive and driving element（21）Deformation retract is by elastic mechanism（22） Promote so that contact circuit（23）Disconnect and stop output alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329224.7A CN107978465A (en) | 2017-12-13 | 2017-12-13 | High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329224.7A CN107978465A (en) | 2017-12-13 | 2017-12-13 | High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107978465A true CN107978465A (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329224.7A Pending CN107978465A (en) | 2017-12-13 | 2017-12-13 | High-tension switch cabinet contact heating alarm device, high-tension switch cabinet and application process |
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| Country | Link |
|---|---|
| CN (1) | CN107978465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567001A (en) * | 2021-07-26 | 2021-10-29 | 湖北亿纬动力有限公司 | Battery heating temperature detection device and detection method thereof |
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| CN2378475Y (en) * | 1999-06-18 | 2000-05-17 | 西安工业学院 | Memory puzzle lock |
| CN2671619Y (en) * | 2003-12-29 | 2005-01-19 | 顾永飞 | Automatic temperature control fire fighting device |
| CN101221868A (en) * | 2008-01-28 | 2008-07-16 | 张陈 | Dual temperature sensing switch |
| CN202274947U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Middle-high voltage switch cabinet multi-point temperature monitor device |
| CN202930748U (en) * | 2012-10-07 | 2013-05-08 | 河南省电力公司南阳供电公司 | Switch cabinet |
| CN202976385U (en) * | 2012-12-31 | 2013-06-05 | 重庆大学 | Mining fire alarm device |
| CN204854976U (en) * | 2015-08-04 | 2015-12-09 | 国网山东省电力公司潍坊供电公司 | High tension switchgear high temperature monitoring alarm device |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2378475Y (en) * | 1999-06-18 | 2000-05-17 | 西安工业学院 | Memory puzzle lock |
| CN2671619Y (en) * | 2003-12-29 | 2005-01-19 | 顾永飞 | Automatic temperature control fire fighting device |
| CN101221868A (en) * | 2008-01-28 | 2008-07-16 | 张陈 | Dual temperature sensing switch |
| CN202274947U (en) * | 2011-10-14 | 2012-06-13 | 安徽一天电气技术有限公司 | Middle-high voltage switch cabinet multi-point temperature monitor device |
| CN202930748U (en) * | 2012-10-07 | 2013-05-08 | 河南省电力公司南阳供电公司 | Switch cabinet |
| CN202976385U (en) * | 2012-12-31 | 2013-06-05 | 重庆大学 | Mining fire alarm device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567001A (en) * | 2021-07-26 | 2021-10-29 | 湖北亿纬动力有限公司 | Battery heating temperature detection device and detection method thereof |
| CN113567001B (en) * | 2021-07-26 | 2023-12-05 | 湖北亿纬动力有限公司 | Battery heated temperature detection device and detection method thereof |
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Application publication date: 20180501 |
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