CN208188671U - Electrical heater counter monitoring device - Google Patents
Electrical heater counter monitoring device Download PDFInfo
- Publication number
- CN208188671U CN208188671U CN201820719029.9U CN201820719029U CN208188671U CN 208188671 U CN208188671 U CN 208188671U CN 201820719029 U CN201820719029 U CN 201820719029U CN 208188671 U CN208188671 U CN 208188671U
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- China
- Prior art keywords
- processor
- temperature
- monitoring device
- humidity
- electrical heater
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Abstract
The utility model relates to a kind of electrical heater counter monitoring devices, including processor, connect temperature and humidity detection equipment, warning device and the current sensor and switch of processor；One end of current sensor connects processor, and the other end passes through switch connection external heater；The control signal that the temperature-humidity signal transmitted based on temperature and humidity detection equipment is generated is sent to switch by processor, so that switch starting or closing external heater；The trigger signal that the current signal transmitted based on current sensor is generated is sent to warning device by processor.The monitoring device inside electrical cabinet is installed on while controlling external heater, the actual motion state of external heater can be monitored.
Description
Technical field
The utility model relates to electric power electric technical fields, more particularly to a kind of electrical heater counter monitoring device.
Background technique
Currently, being generally fitted with heater inside electrical cabinet；Heater is controlled using temperature controller at present
Starting, temperature then turn on the switch starting heater lower than setting value, and temperature is higher than setting value and then turns off the switch stopping heater.
But during realization, inventor has found that at least there are the following problems in traditional technology: traditional technology can not be true
It can correctly be closed after knowing the normal starting situation of heater, heater starting or whether heater damages；That is, traditional temperature
Degree controller can not monitor the actual motion state of heater.
Utility model content
Based on this, it is necessary to aiming at the problem that traditional technology can not monitor the actual motion state of heater, provide one kind
Electrical heater counter monitoring device.
To achieve the goals above, the utility model embodiment provides a kind of electrical heater counter monitoring device, including
Processor connects temperature and humidity detection equipment, warning device and the current sensor and switch of processor；
One end of current sensor connects processor, and the other end passes through switch connection external heater；
The control signal that the temperature-humidity signal transmitted based on temperature and humidity detection equipment is generated is sent to switch by processor, with
Switch is set to start or close external heater；The trigger signal that processor generates the current signal transmitted based on current sensor
It is sent to warning device.
Temperature and humidity detection equipment includes the temperature testing equipment for connecting processor, humidity inspection in one of the embodiments,
Measurement equipment.
Temperature and humidity detection equipment is Temperature Humidity Sensor in one of the embodiments,.
Temperature Humidity Sensor is AM2301 type Temperature Humidity Sensor in one of the embodiments,.
Processor is STM32F103 type processor in one of the embodiments,.
Current sensor is ACS725LLCTR-20AB-T type current sensor in one of the embodiments,.
Warning device is combined aural and visual alarm in one of the embodiments,.
Warning device includes the buzzer for connecting processor in one of the embodiments,.
Warning device includes the LED light for connecting processor in one of the embodiments,.
It in one of the embodiments, further include the communication equipment for connecting processor；
Communication equipment is for connecting background server.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Processor connects temperature and humidity detection equipment, warning device and current sensor；Current sensor is connected by switch
Connect external heater；The control signal that the temperature-humidity signal transmitted based on temperature and humidity detection equipment is generated is sent to out by processor
It closes, so that switch starting or closing external heater；The touching that processor generates the current signal transmitted based on current sensor
Signalling is sent to warning device.The electrical heater counter monitoring device inside electrical cabinet is installed in control external heater
Meanwhile, it is capable to monitor the actual motion state of external heater, when external heater does not work normally, can and alarm
It reminds.
Detailed description of the invention
By being more particularly described for the preferred embodiment of the utility model shown in the drawings, addressed on the utility model
Other purposes, feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and
Attached drawing deliberately is not drawn by actual size equal proportion scaling, it is preferred that emphasis is the purport of the utility model is shown.
Fig. 1 is the structural schematic diagram of conventional temperature controller；
Fig. 2 is the first schematic diagram of electrical heater counter monitoring device in one embodiment；
Fig. 3 is the second schematic diagram of electrical heater counter monitoring device in one embodiment；
Fig. 4 is the third schematic diagram of electrical heater counter monitoring device in one embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element and it is in combination be integrated, or may be simultaneously present centering elements.It is term as used herein " one end ", " another
One end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Heater is generally fitted with inside electrical cabinet；Heater is all that starting is controlled using temperature controller at present,
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of conventional temperature controller.Traditional temperature controller is only to open heater
Switch, and the actual motion state of heater is known nothing.It, cannot in the case where heater failure or switching damage
Know whether heater normally starts or stops.
To achieve the goals above, in one embodiment, as shown in Fig. 2, Fig. 2 is electrical cabinet heating in one embodiment
First schematic diagram of device monitoring device provides a kind of electrical heater counter monitoring device 100, including processor 110,
Connect temperature and humidity detection equipment 120, warning device 130 and the current sensor 140 and switch 150 of processor 110；
One end of current sensor 140 connects processor 110, and the other end connects external heater by switch 150；
The control signal that the temperature-humidity signal transmitted based on temperature and humidity detection equipment 120 is generated is sent to by processor 110
Switch 150, so that the starting of switch 150 or closing external heater；The electricity that processor 110 will be transmitted based on current sensor 140
The trigger signal that stream signal generates is sent to warning device 130.
Specifically, processor 110 connects temperature and humidity detection equipment 120, warning device 130 and current sensor 140；
Current sensor 140 connects external heater by switch 150；Processor 110 receives the temperature that temperature and humidity detection equipment 120 is transmitted
Moisture signal, the control signal generated based on temperature-humidity signal are simultaneously sent to switch 150；It is external that switch 150 is based on control signal
Portion's heater is controlled (including start or close)；Processor 110 receives the current signal that current sensor 140 transmits, base
In current signal generate trigger signal and be sent to warning device 130.
It should be noted that processor can control starting or the pass of external heater by transmission control signal to switch
It closes, trigger signal can be also sent according to the current signal of current sensor to warning device, can be realized to external heater
Control and monitoring.
Temperature and humidity detection equipment can carry out temperature detection and air humidity detection inside electrical cabinet；
The trigger signal that warning device can be sent according to processor carries out warning reminding, realizes to heater actual motion shape
The monitoring of condition.
The utility model embodiment can be fixedly installed in electrical cabinet, while controlling external heater, can be monitored
The actual motion state of external heater；Electrical heater counter monitoring device is connected with external heater, in electrical cabinet and cabinet
Other devices are relatively independent；The type of external heater is unrestricted.
In one embodiment, before switch starts external heater, processor can detect electric current by current sensor
The turn-off current value I1 in circuit；After switch starts external heater, processor can be by current sensor again measure loop
Working current value I2, if I2 be greater than 2 times of I1, then it is assumed that external heater normally starts, otherwise it is assumed that external heater is not
Normal starting.
Before switch closes external heater, processor detects the operating current on current loop by current sensor
I2；After switch closes external heater, processor passes through the turn-off current I1 of current sensor measure loop, if I1 is small
In the half of I2, then it is assumed that external heater normal switching-off, otherwise it is assumed that external heater does not have normal switching-off.If outside adds
Hot device is without normally starting or closing, and processor sends trigger signal to warning device, and warning device is carried out according to trigger signal
Warning reminding realizes the monitoring to the actual operating state of external heater.Increase electric current in external heater control loop
Sensor, due to sensor, the value of turn-off current I1 will not be 0, but the value of a very little, so setting threshold value is
2 times of I1；Judge whether external heater works normally according to whether operating current is twice or more of turn-off current.
In addition, the purpose of installation heater is to reduce the relative humidity in electrical cabinet, but traditional temperature controller
Only detection temperature, does not detect humidity, the start and stop of heater is caused not contact directly with humidity.Starting heater purpose be
The relative humidity inside electrical cabinet is reduced, temperature controller only controls heater in terms of temperature, causes heater usually not
It opens if necessary, i.e. waste electric energy, and reduces the service life of heater.
For this purpose, in one embodiment, as shown in figure 3, Fig. 3 is electrical heater counter monitoring device in one embodiment
Second schematic diagram, temperature and humidity detection equipment include the temperature testing equipment for connecting processor, Humidity Detection equipment.
Specifically, Humidity Detection equipment includes temperature testing equipment and Humidity Detection equipment；Processor is separately connected temperature
Spend detection device and Humidity Detection equipment.
It should be noted that temperature testing equipment can detect the air themperature in electrical cabinet；Specifically, temperature testing equipment
It can be temperature sensor.
Humidity Detection equipment can detect the air humidity in electrical cabinet；Specifically, Humidity Detection equipment can be humidity sensor
Device.
According to the multiple conditions of temperature and humidity to determine whether opening external heater；The only situation low in the big temperature of humidity
Lower just starting heating, avoids heater and starts for a long time, save electric energy, increase heater life.
In one embodiment, when temperature W1 is less than desired temperature W, and humidity S1 is greater than humidity set point S, processing
Device just can start external heater by switch；When humidity S1 is less than setting value S, do not start external heater.Outside heating
Device only starts work when needed.
It should be noted that desired temperature W and humidity set point S can be configured according to actual needs.
In one embodiment, temperature and humidity detection equipment is Temperature Humidity Sensor.
Specifically, Temperature and Humidity is can be the Temperature Humidity Sensor for connecting processor；Temperature Humidity Sensor can be examined
Survey the air themperature and air humidity inside electrical cabinet.
In one embodiment, Temperature Humidity Sensor is AM2301 type Temperature Humidity Sensor.
Specifically, Temperature Humidity Sensor can be AM2301 type Temperature Humidity Sensor.
In one embodiment, processor is STM32F103 type processor.
Specifically, the model of processor can be STM32F103.
In one embodiment, current sensor is ACS725LLCTR-20AB-T type current sensor.
Specifically, current sensor model can be ACS725LLCTR-20AB-T.
In one embodiment, as shown in figure 4, Fig. 4 is the third of electrical heater counter monitoring device in one embodiment
Schematic diagram, warning device are combined aural and visual alarm.
Specifically, warning device can be combined aural and visual alarm；In external heater irregular operating, according to processor
Trigger signal carries out sound-light alarm.
In one embodiment, warning device includes the buzzer for connecting processor.
Specifically, warning device may include buzzer；Buzzer can be used for sound warning.
In one embodiment, warning device further includes the LED light for connecting processor.
Specifically, warning device may include LED light；LED light can be used for light warning.
In one embodiment, as shown in figure 4, further including the communication equipment for connecting processor；
Communication equipment is for connecting background server.
Specifically, processor connection communication equipment, communication equipment connects background server；Processor can be set by communication
It is standby that trigger signal, temperature-humidity signal are sent to background server；Background server can send prompt information according to trigger signal
To relevant staff, temperature-humidity signal can also be recorded, be realized to the long-range record of electrical cabinet and monitoring.
In the utility model embodiment, processor connects temperature and humidity detection equipment, warning device and current sensor；Electricity
Flow sensor passes through switch connection external heater；Processor generates the temperature-humidity signal transmitted based on temperature and humidity detection equipment
Control signal and be sent to switch so that switch starting or close external heater；Processor will be passed based on current sensor
The trigger signal that defeated current signal generates is sent to warning device.The monitoring device inside electrical cabinet is installed on outside control
While heater, the actual motion state of external heater can be monitored.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electrical heater counter monitoring device, which is characterized in that including processor, connect the temperature and humidity inspection of the processor
Measurement equipment, warning device and current sensor and switch；
One end of the current sensor connects the processor, and the other end connects external heater by the switch；
The control signal that the temperature-humidity signal transmitted based on the temperature and humidity detection equipment is generated is sent to institute by the processor
Switch is stated, so that the switch starts or close the external heater；The processor will be passed based on the current sensor
The trigger signal that defeated current signal generates is sent to the warning device.
2. electrical heater counter monitoring device according to claim 1, which is characterized in that the temperature and humidity detection equipment packet
Include the temperature testing equipment for connecting the processor, Humidity Detection equipment.
3. electrical heater counter monitoring device according to claim 1, which is characterized in that the temperature and humidity detection equipment is
Temperature Humidity Sensor.
4. electrical heater counter monitoring device according to claim 3, which is characterized in that the Temperature Humidity Sensor is
AM2301 type Temperature Humidity Sensor.
5. electrical heater counter monitoring device according to claim 1, which is characterized in that the processor is
STM32F103 type processor.
6. electrical heater counter monitoring device according to claim 1, which is characterized in that the current sensor is
ACS725LLCTR-20AB-T type current sensor.
7. according to claim 1 to electrical heater counter monitoring device described in 6 any one, which is characterized in that the alarm
Equipment is combined aural and visual alarm.
8. according to claim 1 to electrical heater counter monitoring device described in 6 any one, which is characterized in that the alarm
Equipment includes the buzzer for connecting processor.
9. according to claim 1 to electrical heater counter monitoring device described in 6 any one, which is characterized in that the alarm
Equipment includes connecting the LED light of processor.
10. according to claim 1 to electrical heater counter monitoring device described in 6 any one, which is characterized in that further include connecting
Connect the communication equipment of the processor；
The communication equipment is for connecting background server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719029.9U CN208188671U (en) | 2018-05-14 | 2018-05-14 | Electrical heater counter monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719029.9U CN208188671U (en) | 2018-05-14 | 2018-05-14 | Electrical heater counter monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188671U true CN208188671U (en) | 2018-12-04 |
Family
ID=64430336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820719029.9U Expired - Fee Related CN208188671U (en) | 2018-05-14 | 2018-05-14 | Electrical heater counter monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208188671U (en) |
-
2018
- 2018-05-14 CN CN201820719029.9U patent/CN208188671U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20200514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |