CN204009614U - Heat tracing belt control system and air conditioner - Google Patents
Heat tracing belt control system and air conditioner Download PDFInfo
- Publication number
- CN204009614U CN204009614U CN201420370066.5U CN201420370066U CN204009614U CN 204009614 U CN204009614 U CN 204009614U CN 201420370066 U CN201420370066 U CN 201420370066U CN 204009614 U CN204009614 U CN 204009614U
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- temperature
- heat tracing
- tracing band
- controller
- control system
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- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000002411 adverse Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Central Heating Systems (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The embodiment of the application provides a companion tropical control system and air conditioner, including fuse-link and temperature limiter, still include: a control panel provided with a controller and a temperature detector; wherein the temperature limiter is respectively connected with the heat tracing band and the fuse link; the controller is respectively connected with a power supply, the fuse link and the temperature detector; the temperature detector is used for detecting the temperature of air around the heat tracing band. According to the heat tracing band control system provided by the embodiment of the application, when the temperature limiter has a problem and cannot disconnect the input path of the heat tracing band, the controller can monitor that the temperature detected by the temperature detector is higher than the highest temperature which can be limited by the temperature limiter, and the power supply is controlled to be disconnected, so that the purpose of disconnecting the input path of the heat tracing band is achieved.
Description
Technical Field
The utility model relates to a companion torrid zone technical field, in particular to companion torrid zone control system and air conditioner.
Background
At present, a temperature control system of a heat tracing band for an air conditioner and an industrial pipeline mainly comprises an ac contactor, a fuse link and a temperature limiter (as shown in fig. 1), wherein the ac contactor is used for controlling the on or off of the temperature control system of the heat tracing band, the fuse link plays a role of overcurrent protection, and the temperature limiter is used for limiting the highest temperature of the heat tracing band.
Therefore, the temperature control system of the conventional heat tracing band can only realize the temperature control of the heat tracing band through the temperature limiter, the temperature control path is single, once the temperature limiter has a problem, the temperature of the heat tracing band cannot be controlled, and the heat tracing band can be easily operated at a higher temperature for a longer time, so that the serious adverse effect on the surrounding environment and devices is caused, and serious safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a companion torrid zone control system and air conditioner to it is single to solve companion torrid zone control system's control path, when the temperature limiter goes wrong, can not carry out the problem controlled to companion torrid zone's temperature.
In order to achieve the above object, the utility model provides a following technical scheme:
a heat tracing band control system comprises a fuse link and a temperature limiter, and further comprises:
a control panel provided with a controller and a temperature detector; wherein,
the temperature limiter is respectively connected with the heat tracing band and the fuse link;
the controller is respectively connected with the fuse link and the temperature detector;
the temperature detector is used for detecting the temperature of air around the heat tracing band.
The above system, preferably, the control panel further includes: and the transformer is connected with the controller.
In the above system, preferably, the transformer includes:
a rectifier;
an inverter connected to the rectifier; and,
a voltage regulator connected to the inverter;
the voltage stabilizer is connected with the controller.
The above system, preferably, the control panel further includes:
an input device connected with the controller.
In the above system, preferably, the input device includes:
a keyboard and/or a touch screen.
In the above system, preferably, the temperature detector is a temperature sensor.
An air conditioner comprising the heat tracing band control system as described above.
The embodiment of the application provides a companion tropical control system and air conditioner, including fuse-link and temperature limiter, still include: a control panel provided with a controller and a temperature detector; wherein the temperature limiter is respectively connected with the heat tracing band and the fuse link; the controller is respectively connected with the fuse link and the temperature detector; the temperature detector is used for detecting the temperature of air around the heat tracing band.
Therefore, according to the heat tracing band control system provided by the embodiment of the application, when the temperature limiter has a problem and cannot disconnect the input path of the heat tracing band, the controller can monitor that the temperature detected by the temperature detector is higher than the maximum temperature which can be limited by the temperature limiter, and the power supply is controlled to be disconnected, so that the purpose of disconnecting the input path of the heat tracing band is achieved. That is to say, the heat tracing band control system provided by the embodiment of the application realizes that the input path of the heat tracing band can be controlled through the controller and the temperature detector when the input path of the heat tracing band cannot be disconnected due to the problem of the temperature limiter by providing two control lines (one line is controlled by the temperature limiter and the other line is controlled by the control board and the temperature detector in a matching way) for the heat tracing band.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a prior art heat trace control system;
FIG. 2 is a schematic structural diagram of a heat trace control system according to an embodiment of the present application;
fig. 3 is another schematic structural diagram of a control board according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a transformer according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of another control board provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
To better illustrate the solution of the embodiments of the present application, a heat trace control system in the prior art will be described first.
As shown in fig. 1, the control system of the current heat tracing band includes: the temperature limiter comprises an alternating current contactor, a fuse link and a temperature limiter, wherein after the alternating current contactor is powered on, a normally open contact is closed, so that the heat tracing band is powered on to work. The temperature limiter detects the temperature around the heat tracing band, and when the temperature around the heat tracing band is detected to be higher than a first threshold value, the temperature limiter controls an input loop of the heat tracing band to be disconnected, the heat tracing band stops being electrified, and therefore the heat tracing band stops converting electric energy into heat energy; when the temperature around the heat tracing band is detected to be lower than a second threshold value (the second threshold value is smaller than the first threshold value), the temperature limiter controls the input loop of the heat tracing band to be communicated again, the heat tracing band is electrified again, and therefore the heat tracing band can continuously convert electric energy into heat energy. The fuse link plays a role in overcurrent protection.
Therefore, the conventional heat tracing band control system can only control the temperature through the temperature limiter, has a single control path, cannot control the temperature of the heat tracing band once the temperature limiter has a problem, and is easy to cause the heat tracing band to run at a higher temperature for a longer time, so that the surrounding environment and devices are seriously adversely affected, and serious safety accidents are caused.
In view of the above problems, an embodiment of the present invention provides a heat trace control system, which is schematically shown in fig. 2 and may include:
a fuse link 21, a temperature limiter 22, a control board 23, and a temperature detector 24; wherein,
the control panel 23 is provided with a controller 231;
the temperature limiter 22 is respectively connected with the heat tracing band and the fuse link 21;
the controller 231 is respectively connected with the fuse link 21 and the temperature detector 24;
the temperature detector 24 is used for detecting the temperature of the air around the heat tracing band.
Specifically, when in use, the controller is connected to a power supply.
According to the heat tracing band control system provided by the embodiment of the application, when the temperature limiter has a problem and cannot disconnect the input path of the heat tracing band, the controller can monitor that the temperature detected by the temperature detector is higher than the highest temperature which can be limited by the temperature limiter, and the power supply is controlled to be disconnected, so that the purpose of disconnecting the input path of the heat tracing band is achieved. That is to say, the heat tracing band control system provided by the embodiment of the application realizes that the input path of the heat tracing band can be controlled through the controller and the temperature detector when the input path of the heat tracing band cannot be disconnected due to the problem of the temperature limiter by providing two control lines (one line is controlled by the temperature limiter and the other line is controlled by the control board and the temperature detector in a matching way) for the heat tracing band.
In addition, the temperature detector can detect the temperature around the heat tracing band in real time, so that the controller can realize real-time control of the heat tracing band through the temperature of the heat tracing band detected in real time by the heat tracing band control system provided by the embodiment of the application, and the heat tracing band can also be accurately controlled by the heat tracing band control system provided by the embodiment of the application. That is to say, the heat tracing band control system provided by the embodiment of the application provides a hardware basis for realizing accurate control of the heat tracing band.
How the specific controller controls the heat trace band according to the temperature around the heat trace band detected by the temperature detector can be set by a technician according to actual needs.
In the above embodiment, preferably, another schematic structural diagram of the control board 23 is shown in fig. 3, and may further include: a transformer 31;
the transformers 31 are respectively connected to the controllers 231.
In particular, in use, the transformer 31 is also connected to a power supply.
Through the heat tracing band control system provided by the embodiment of the application, a photovoltaic power supply can be used as a power supply of the heat tracing band control system. Specifically, the photovoltaic power output power can be converted into the voltage required by the heat tracing band through the transformer 31. Therefore, the application range of the heat tracing belt control system provided by the embodiment of the application is wider.
In the embodiment shown in fig. 3, a specific structural diagram of the transformer 31 is shown in fig. 4, and may include:
a rectifier 41, an inverter 42, and a regulator 43;
the inverter 42 is connected to the rectifier 41;
the voltage regulator 43 is connected to the controller 231.
In particular, in use, the rectifier 41 is connected to a power supply.
In the above embodiment, preferably, another structural schematic diagram of the control board 23 is shown in fig. 5, and may further include:
and an input device 51 connected to the controller 231.
Through the input device, a user can input system parameters (e.g., a type of the heat tracing band, a use environment, etc.) to the controller 231, so that the controller can call preset temperature control parameters (e.g., parameters related to a resistance change curve of the heat tracing band, etc.) according to the input system parameters, and thus can set a temperature range suitable for the use environment temperature. Therefore, the heat tracing band control system provided by the embodiment of the application provides a hardware basis for realizing further accurate control and intelligent control of the heat tracing band.
In the above embodiment, the input device 51 may be a keyboard and/or a touch screen.
In the above embodiment, the temperature detector 24 may preferably be a temperature sensor.
The embodiment of the application also provides an air conditioner, which comprises the heat tracing belt control system.
The heat tracing belt control system provided by the utility model is described in detail above. The principle and the implementation of the present invention are explained by applying specific embodiments in the embodiment of the present application, and the explanation of the above embodiments is only used to help understanding the method and the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. A heat tracing band control system comprises a fuse link and a temperature limiter, and is characterized by further comprising:
a control panel provided with a controller and a temperature detector; wherein,
the temperature limiter is respectively connected with the heat tracing band and the fuse link;
the controller is respectively connected with the fuse link and the temperature detector;
the temperature detector is used for detecting the temperature of air around the heat tracing band.
2. The system of claim 1, wherein the control board further comprises: and the transformer is connected with the controller.
3. The system of claim 2, wherein the transformer comprises:
a rectifier;
an inverter connected to the rectifier; and,
a voltage regulator connected to the inverter;
the voltage stabilizer is connected with the controller.
4. The system of any one of claims 1-3, wherein the control board further comprises:
an input device connected with the controller.
5. The system of claim 4, wherein the input device comprises:
a keyboard and/or a touch screen.
6. The system of any one of claims 1-3, wherein the temperature detector is a temperature sensor.
7. An air conditioner, characterized in that it comprises the heat tracing band control system as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370066.5U CN204009614U (en) | 2014-07-03 | 2014-07-03 | Heat tracing belt control system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370066.5U CN204009614U (en) | 2014-07-03 | 2014-07-03 | Heat tracing belt control system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009614U true CN204009614U (en) | 2014-12-10 |
Family
ID=52049588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420370066.5U Expired - Lifetime CN204009614U (en) | 2014-07-03 | 2014-07-03 | Heat tracing belt control system and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204009614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744808A (en) * | 2016-04-15 | 2016-07-06 | 珠海格力电器股份有限公司 | Chiller compressor electrical box and control circuit thereof, screw chiller |
-
2014
- 2014-07-03 CN CN201420370066.5U patent/CN204009614U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744808A (en) * | 2016-04-15 | 2016-07-06 | 珠海格力电器股份有限公司 | Chiller compressor electrical box and control circuit thereof, screw chiller |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |