CN203132764U - Protection and insulation apparatus for transmitter - Google Patents
Protection and insulation apparatus for transmitter Download PDFInfo
- Publication number
- CN203132764U CN203132764U CN 201220682312 CN201220682312U CN203132764U CN 203132764 U CN203132764 U CN 203132764U CN 201220682312 CN201220682312 CN 201220682312 CN 201220682312 U CN201220682312 U CN 201220682312U CN 203132764 U CN203132764 U CN 203132764U
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- transmitter
- insulation
- protection
- electric heater
- temperature
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Abstract
The utility model provides a protection and insulation apparatus for a transmitter. The protection and insulation apparatus ensures normal operation of the transmitter in severely cold outdoor environment with a lot of flue dust, improves test precision of the transmitter and reduces fault occurrence. The protection and insulation apparatus comprises an insulation can sleeved over the transmitter, and all sides of the insulation can are packed with fiberglass insulation cotton. An electric heater is arranged in the insulation can. The transmitter is encapsulated in an environment with excellent insulation performance, and icing does not occur. When the electric heater heats, the temperature in the insulation can climbs up to the work temperature required by the transmitter so as to ensure the normal operation of the transmitter in severely cold outdoor environment. Further, the transmitter encapsulated in the insulation can is isolated from external environment, dust and foreign matters in the external environment may not be attached to the transmitter and may not affect the test sensitivity of the transmitter.
Description
Technical field
The utility model relates to protection heat preservation technology field, particularly relates to a kind of device that transmitter is protected and is incubated.
Background technology
Generally, the differential pressure transmitter that is used for measurement gas flow, pressure mostly is installed in outdoor, its operating ambient temperature need remain on-30 ~+85 ℃, and compare area and the time of severe cold at some, outside air temperature probably is down to subzero below 30 degrees centigrade, and this just causes the transmitter can't operate as normal.
When temperature was down to the required minimum temperature of transmitter operate as normal, the data accuracy of its test was lower, and equipment breaks down easily, influenced its measurement result.
In addition, because that transmitter is in is outdoor, and outdoor flue dust etc. are more, if transmitter is exposed outdoor, transmitter can reduce its sensitivity because of adhering to of flue dust etc.
For addressing the above problem, need prevent dust and be incubated processing transmitter, and in the present prior art, not have the protective device at transmitter.
In summary, how a kind of protection attemperator of transmitter being set, to guarantee that transmitter in outdoor normal operation, improves the measuring accuracy of transmitter, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of protection attemperator of transmitter, can guarantee that transmitter runs well under the more outdoor environment of severe cold and flue dust, improves the measuring accuracy of transmitter, reduces equipment failure.
For solving the problems of the technologies described above, the utility model provides a kind of protection attemperator of transmitter, described protection attemperator comprises the insulation can that is sleeved on the transmitter outside, and the cotton encapsulation of spun-glass insulation is all adopted in each side of described insulation can, also is provided with electric heater unit in the described insulation can.
Protection attemperator of the present utility model is equipped with insulation can in the transmitter outer cover, and each side of described insulation can is all by the cotton encapsulation of spun-glass insulation, and then whole transmitter is encapsulated in a heat insulating ability preferably in the environment, can not produce icing phenomenon; When electric heater unit heated, the insulation can temperature inside will raise accordingly, and is temperature required to reach transmitter work, and then guarantees that transmitter in the outdoor operate as normal of severe cold, improves its measuring accuracy; In addition, because transmitter is encapsulated in insulation can inside, is equivalent to insulation can transmitter and external environment condition are isolated, then the foreign matters such as flue dust in the external environment condition can not be attached on the transmitter, just can therefore not influence the measurement sensitivity of transmitter yet.
Preferably, described electric heater unit is electric-heating belt.
Preferably, described electric-heating belt is fixed on the backboard of insulation can agley.
Can adopt electric-heating belt as electric heater unit, in order to regulate heating power automatically, avoid the too high generation security incident of temperature or transmitter is caused damage; And electric-heating belt can also be arranged on the backboard in bending, to guarantee the homogeneity of heating, improves the efficiency of heating surface; Simultaneously, because crooked setting can improve the tightness degree that electric-heating belt is arranged, so can take full advantage of the space of backboard, reduce the volume of insulation can.
Preferably, described electric heater unit links to each other with power supply by terminal row.
Preferably, also be provided with in the described insulation can for the fixing installing plate of transmitter.
Preferably, described insulation can is wall-hanging casing, is convenient to it and installs at outdoor environment.
Preferably, also has the temperature controller that its internal temperature is tested and is connected with described electric heater unit signal in the described insulation can.Temperature controller can realize temperature auto control in the insulation can and adjusting, thereby makes the temperature in the insulation can be in the zone of reasonableness, guarantees the transmitter operate as normal.
Preferably, the top of described insulation can also is provided with rain-proof shelter, is used for waterproof rain-proof, to satisfy the demand of outdoor work better.
Preferably, the bottom of described insulation can also is provided with the cable aperture that at least one stretches out for the cable of transmitter.
Description of drawings
Fig. 1 provides the structure front elevation of protection attemperator in a kind of embodiment for the utility model.
Embodiment
Core of the present utility model provides the protection attemperator of transmitter, can guarantee that transmitter runs well under the more outdoor environment of severe cold and flue dust, improves the measuring accuracy of transmitter, reduces equipment failure.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 provides the structure front elevation of protection attemperator in a kind of embodiment for the utility model.
In a kind of embodiment, protection attemperator of the present utility model comprises insulation can 3, be set with transmitter 5 in the insulation can 3, each side of insulation can 3 all adopts spun-glass insulation cotton 8 to encapsulate, and also be provided with electric heater unit 2 in the insulation can 3, in order to heat in the case of necessary, the internal temperature of guaranteeing insulation can 3 is in the required operating temperature range of transmitter 5.
Protection attemperator of the present utility model, in transmitter 5 outer cover insulation can 3 is housed, and each side of insulation can 3 all encapsulates by spun-glass insulation cotton 8, and then whole transmitter 5 is encapsulated in a heat insulating ability preferably in the environment, the situation that service part freezes can not occur; When electric heater unit 2 heated, insulation can 3 temperature inside will raise accordingly, reaching the required temperature of transmitter 5 work, and then guaranteed that transmitter 5 can operate as normal in the outdoor of severe cold, improved the precision of its test; In addition, because transmitter 5 is encapsulated in insulation can 3 inside, being equivalent to insulation can 3 isolates transmitter 5 and external environment condition, then the foreign matters such as flue dust in the external environment condition can not be attached on the transmitter 5, also just can therefore not influence the measurement sensitivity of transmitter 5, that is to say that protection attemperator of the present utility model can also play the dustproof effect in insulation.
Described electric heater unit 2 can be any device that can generate heat after the energising, a kind of comparatively preferred embodiment in, can adopt electric-heating belt as electric heater unit described herein 2.
Electric tracing has conducting polymer and two parallel metal wire and the sheath that insulate and constitutes, wherein, conducting polymer has very high ptc characteristics, and it is parallel with one another between each conducting polymer, can be along with the temperature variation that is heated system is regulated output power automatically, temperature with the volitional check heating is unlikely to make that insulation can 3 temperature inside are too high, in order to avoid exceed the normal working temperature of transmitter 5.Certainly, the electric-heating belt of this automatic adjusting power can also be in effectively energy savings consumption.
Meanwhile, because electric-heating belt has the insulation sheath, it allows repeatedly juxtaposition setting, and can there be high temperature hotspot, so electric-heating belt can be fixed on the backboard of insulation can 3 agley, this crooked mode that arranges can improve the tightness degree that electric-heating belt is arranged, to take full advantage of the backboard space, effectively save the shared inner space of motor heat device 2, and then reduce the volume of insulation can 3.And insulation can 3 volumes reduce not only make it be more convenient for installing and carrying, can also save the consumption of required spun-glass insulation cotton 8, and keep the energy that the internal temperature of insulation can 3 consumes, cut down the consumption of energy.
For realizing being connected of electric heater unit 2 and power supply, can terminal row 7 be set in insulation can 3 inside, guarantee the power supply supply of electric heater unit 2.
Can expect that the power supply of electric heater unit 2 can be the independent current source that arranges separately, can also be communicated with external power source by terminal row 7 simultaneously.
Described terminal row 7 also can be used as the port of transmitter 5 signals transmission, when the power supply of electric heater unit 2 links to each other with the outside by terminal row 7 with transmitter 5 signal transmission port, can improve the reliability of connection, avoids going offline, and is easy to maintenance.
Can protection attemperator of the present utility model mentioned above be further improved.
A kind of more preferred embodiment in, transmitter 5 can install and fix by installing plate 4, with the reliability of guaranteeing that transmitter 5 is installed, determines concrete layout according to the installation dimension of transmitter 5 then.
For further strengthening the protection effect of protection attemperator of the present utility model, rain-proof shelter 1 can be set, rain-proof shelter 1 is arranged on the top of insulation can 3, enter in the insulation can 3 to prevent rainwater, and then avoid transmitter 5 to suffer erosion, can also prevent that moisture from causing damage to insulation can 3.
On this basis, can also cable aperture 9 be set in the bottom of insulation can 3, the cable of being convenient to transmitter 5 successfully stretches out from the inside of insulation can 3.The number of cable aperture 9 can be carried out relative set according to the bar number of cable, can be one, two or more; Cable aperture 9 can also be as the gateway of the gas circuit connecting pipe of transmitter 5, for the connection of gas circuit connecting pipe provides passage.
Need to prove, the top of described insulation can 3 and bottom are for vertical plane, generally speaking, insulation can 3 will be installed in according to the work requirements of transmitter 5 in the vertical plane, then the top of insulation can 3 just refers under vertical state, be in a face directly over it, correspondingly, the one side that is under it is its bottom.
In addition, insulation can of the present utility model 3 inside can also arrange temperature controller 6, temperature controller 6 is connected with electric heater unit 2 signals, temperature controller 6 can detect insulation can 3 temperature inside, send a signal to electric heater unit 2 according to testing result then, control electric heater unit 2 adds high-power or reduces power, so that the control of insulation can 3 temperature inside in the reasonable scope.
For realizing above-mentioned control, temperature controller 6 can have temperature detecting module and temperature control modules, and two module by signal connect, and temperature control modules is connected with electric heater unit 2 signals:
Described temperature detecting module detects insulation can 3 temperature inside, then the consequential signal that detects is passed to temperature control modules;
Prestore the information of temperature range in the described temperature control modules, then temperature control modules compares judgement with the testing result that receives and the temperature range that prestores, if testing result is in this temperature range, does not then send control signal; If testing result is less than the minimum of temperature range, then output adds high-power signal to electric heater unit 2, controls it and adds high-power, in order to improve insulation can 3 temperature inside, on the contrary, then the signal of output reduction power is given electric heater unit 2, to reduce insulation can 3 temperature inside.
Described temperature range can arrange according to the required temperature province of transmitter 5 operate as normal, but not necessarily be consistent with the required temperature province of transmitter 5 operate as normal, generally speaking, described temperature range should be in the required temperature province of transmitter 5 operate as normal.
Certainly, temperature controller 6 realizes that temperature control and the mode that detects are not limited in above-mentioned modular operation, and other modes can be with reference to prior art.
More than the protection attemperator of transmitter provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the protection attemperator of a transmitter, it is characterized in that, described protection attemperator comprises the insulation can (3) that is sleeved on transmitter (5) outside, spun-glass insulation cotton (8) encapsulation is all adopted in each side of described insulation can (3), also be provided with electric heater unit (2) in the described insulation can (3), the top of described insulation can (3) also is provided with rain-proof shelter (1).
2. protection attemperator as claimed in claim 1 is characterized in that, described electric heater unit (2) is electric-heating belt.
3. protection attemperator as claimed in claim 2 is characterized in that, described electric-heating belt is fixed on the backboard of insulation can (3) agley.
4. protection attemperator as claimed in claim 1 is characterized in that, described electric heater unit (2) links to each other with power supply by terminal row (7).
5. protection attemperator as claimed in claim 1 is characterized in that, also is provided with in the described insulation can (3) for the fixing installing plate (4) of transmitter (5).
6. protection attemperator as claimed in claim 1 is characterized in that, described insulation can (3) is wall-hanging casing.
7. as each described protection attemperator of claim 1 to 6, it is characterized in that also having the temperature controller (6) that its internal temperature is tested and is connected with described electric heater unit (2) signal in the described insulation can (3).
8. as each described protection attemperator of claim 1 to 6, it is characterized in that the bottom of described insulation can (3) also is provided with at least one cable aperture (9) that stretches out for the cable of transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682312 CN203132764U (en) | 2012-12-11 | 2012-12-11 | Protection and insulation apparatus for transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682312 CN203132764U (en) | 2012-12-11 | 2012-12-11 | Protection and insulation apparatus for transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132764U true CN203132764U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682312 Expired - Lifetime CN203132764U (en) | 2012-12-11 | 2012-12-11 | Protection and insulation apparatus for transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132764U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890699A (en) * | 2015-01-26 | 2016-08-24 | 高准有限公司 | Flowmeter capable of adjusting working temperature in self-adaptive manner and method of flowmeter |
| CN105953974A (en) * | 2016-06-30 | 2016-09-21 | 扬中市众成管路配件有限公司 | Pressure transmitter |
| CN111060236A (en) * | 2018-10-17 | 2020-04-24 | 北京自动化控制设备研究所 | Silicon piezoresistive pressure sensor packaging assembly structure |
| CN111307364A (en) * | 2020-03-18 | 2020-06-19 | 厦门易感智能测控技术有限公司 | Anti-icing jam pressure transmitter |
| CN112050999A (en) * | 2020-11-02 | 2020-12-08 | 南京沃天科技股份有限公司 | Pressure transmitter for petroleum transportation |
-
2012
- 2012-12-11 CN CN 201220682312 patent/CN203132764U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890699A (en) * | 2015-01-26 | 2016-08-24 | 高准有限公司 | Flowmeter capable of adjusting working temperature in self-adaptive manner and method of flowmeter |
| CN105953974A (en) * | 2016-06-30 | 2016-09-21 | 扬中市众成管路配件有限公司 | Pressure transmitter |
| CN111060236A (en) * | 2018-10-17 | 2020-04-24 | 北京自动化控制设备研究所 | Silicon piezoresistive pressure sensor packaging assembly structure |
| CN111307364A (en) * | 2020-03-18 | 2020-06-19 | 厦门易感智能测控技术有限公司 | Anti-icing jam pressure transmitter |
| CN112050999A (en) * | 2020-11-02 | 2020-12-08 | 南京沃天科技股份有限公司 | Pressure transmitter for petroleum transportation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |