CN208158913U - A kind of electric-heating control system - Google Patents
A kind of electric-heating control system Download PDFInfo
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- CN208158913U CN208158913U CN201820690072.7U CN201820690072U CN208158913U CN 208158913 U CN208158913 U CN 208158913U CN 201820690072 U CN201820690072 U CN 201820690072U CN 208158913 U CN208158913 U CN 208158913U
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- temperature controller
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- heating control
- detection device
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Abstract
The utility model discloses a kind of electric-heating control systems, belong to electric heating control field.The system includes heating circuit, computer heating control detection device and temperature controller；Heating circuit includes that heating relay and electric heater unit, heating circuit are connect with computer heating control detection device；The contact of heating relay is connect with computer heating control detection device, and computer heating control detection device is connect with electric heater unit, and the contact for heating relay is connected to power supply by self-melt temperature controller；Low liquid level switch, the coil for heating relay are connect by the first temperature controller and the second temperature controller with computer heating control detection device；The desired temperature of second temperature controller is greater than the desired temperature of the first temperature controller, and the desired temperature of self-melt temperature controller is greater than the desired temperature of the second temperature controller；It solves the problem of can not stopping electric heater unit after temperature controller damage in electric heating circuit, be easy to appear safety accident, achievees the effect that the reliability and safety that improve electrical-heating control circuit.
Description
Technical field
The utility model embodiment is related to electric heating control field, in particular to a kind of electric-heating control system.
Background technique
Due to certain media vulnerable to storage environment temperature change and generating state change, for example, the temperature of storage environment
Degree reduces, and the endure cold volume that freezes of the medium inside container becomes larger, and the temperature of storage environment increases, and the medium inside container is heated to be melted
Change volume to become smaller, the container of storage medium damages under the variation that medium expands with heat and contract with cold.
In order to avoid container is damaged, electric heater unit generally is set in the inside of container or the external of container, to appearance
The medium stored in device heats the effect to realize heat preservation.During heating in order to avoid the temperature of container inner medium is excessively high,
Temperature controller would generally be set in heating circuit, however, in actual use, if temperature controller breaks down, electric heating dress
Meeting continuous heating is set, security risk is easy to appear.
Utility model content
In order to solve problems in the prior art, the utility model embodiment provides a kind of electric-heating control system.The skill
Art scheme is as follows：
In a first aspect, providing a kind of electric-heating control system, which includes heating circuit, computer heating control detection device
And temperature controller；
Heating circuit includes that heating relay and electric heater unit, heating circuit are connect with computer heating control detection device；
Temperature controller includes the first temperature controller, the second temperature controller and self-melt temperature controller；
The one end for heating the contact of relay is connect with computer heating control detection device, computer heating control detection device and electric heating
Device connection, the other end for heating the contact of relay are connected to power supply by self-melt temperature controller；
Low liquid level switch, the coil for heating relay are filled by the first temperature controller and the detection of the second temperature controller and computer heating control
Set connection；
Wherein, the desired temperature of the second temperature controller is greater than the desired temperature of the first temperature controller, self-melt temperature controller
Desired temperature is greater than the desired temperature of the second temperature controller.
Optionally, self-melt temperature controller is made of metal sleeve and the Thermal Cutoffs being arranged in metal sleeve.
Optionally, the first temperature controller is that liquid rises formula runback bit-type temperature controller, and the second temperature controller is sheet metal runback bit-type temperature
Control device.
Optionally, the first temperature controller is arranged in inside the container for storage medium；
The outer wall of the container for storage medium is arranged in second temperature controller and self-melt temperature controller.
Technical solution bring beneficial effect provided by the embodiment of the utility model is：
The electric-heating control system includes the heating circuit being made of electric heater unit and heating relay, computer heating control inspection
Device, the first temperature controller, the second temperature controller and self-melt temperature controller are surveyed, is including by the first temperature controller and the setting of the second temperature controller
In the control loop of computer heating control detection device, self-melt temperature controller is arranged between power supply and heating circuit, in the first temperature control
When device, the second temperature controller, heating relay break down, the connection of heating circuit and power supply is directly cut off, solves part electricity
It the problem of can not stopping electric heater unit after temperature controller damage in heater circuit, be easy to appear safety accident, efficiently reduces
The quantity of high tension loop improves safety when hotline maintenance upkeep operation, while the low, electric current using control loop voltage
Small feature increases the service life of the contact of heating relay.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural block diagram of electric-heating control system shown according to an exemplary embodiment；
Fig. 2 is a kind of structural schematic diagram of self-melt temperature controller shown according to an exemplary embodiment；
Fig. 3 is a kind of circuit diagram of electric-heating control system shown according to an exemplary embodiment.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Referring to FIG. 1, the structural block diagram of the electric-heating control system provided it illustrates the utility model one embodiment.
As shown in Figure 1, the electric-heating control system includes heating circuit 110, computer heating control detection device 120 and temperature controller.
Temperature controller includes the first temperature controller 140, the second temperature controller 150 and self-melt temperature controller 130.
Heating circuit 110 includes heating relay and electric heater unit, electric heater unit for heating the container in store
Medium.
Heating circuit 110 is connect with computer heating control detection device 120.
Computer heating control detection device is for controlling, detecting heating circuit.
Computer heating control detection device 120 can export heating indication signal and fuser malfunction signal；When heating circuit is normal
When work, heating control apparatus output heating indication signal H_N, when heating circuit breaks down, heating device output heating
Fault-signal H_F.
Optionally, computer heating control detection device can be connect with indicator light, and the work shape of heating circuit is shown by indicator light
State；Alternatively, system or device that computer heating control detection device needs to heat indication signal and fuser malfunction signal with other are connect,
And heating indication signal and fuser malfunction signal are sent to corresponding system or device.
The heating one end control detection device 120 of the contact of heating relay in heating circuit 110 connects, computer heating control
Detection device 120 is connect with the electric heater unit in heating circuit 110, and the other end for heating the contact of relay passes through self-melt
Temperature controller connects to power supply.
Self-melt temperature controller 130 connects heating power supply.
First temperature controller 140 and the series connection of the second temperature controller 150, low liquid level switch 160, the coil for heating relay pass through the
One temperature controller 140 and the second temperature controller 150 are connect with computer heating control detection device 120.
When low liquid level switch is for preventing the liquid level of the medium in container lower than predetermined value, electric heater unit to medium into
Row heating.
Wherein, the desired temperature of the second temperature controller 150 is greater than the desired temperature of the first temperature controller 140, self-melt temperature
The desired temperature for controlling device 130 is greater than the desired temperature of the second temperature controller 150.
Such as：The desired temperature of first temperature controller is 5 DEG C, and the desired temperature of the second temperature controller is 30 DEG C, self-melt
The desired temperature of temperature controller is 65 DEG C.
Optionally, the first temperature controller is arranged in inside the container for storage medium, during installation the temperature of the first temperature controller
Control probe and media contact.
Optionally, the outer wall of the container for storage medium is arranged in the second temperature controller and self-melt temperature controller.
First temperature controller, the second temperature controller, self-melt temperature controller successively act on.
Optionally, the first temperature controller is that liquid rises formula runback bit-type temperature controller, and the second temperature controller is sheet metal runback bit-type temperature
Control device.
Optionally, self-melt temperature controller is made of the Thermal Cutoffs in metal sleeve and metal sleeve.
As shown in Fig. 2, the Thermal Cutoffs 22 of self-melt temperature controller 20 is arranged in metal sleeve 21.
The Thermal Cutoffs of self-melt temperature controller is built-in with organic compound temperature-sensing particle.Self-melt temperature controller belongs to can not
Recovery-type temperature controller, when the temperature that the outer wall of the metal sleeve 21 of self-melt temperature controller is experienced is more than self-melt temperature controller
Desired temperature when, the Thermal Cutoffs 22 inside self-melt temperature controller fuses, and Thermal Cutoffs can not restore, namely i.e.
After reducing environment temperature, self-melt temperature controller will not be connected again.
Self-melt temperature controller is connect with heating circuit, is conducive to the generation for avoiding safety accident.
Fig. 3 schematically illustrates a kind of circuit theory of electric-heating control system provided by the embodiment of the utility model
Figure.
As shown in figure 3, heating circuit includes heating relay K1 and heating device E1, E2, E3, E4.
Self-melt temperature controller S3 is connect with one end of the contact of heating relay K1, heats the another of the contact of relay K1
End is connect with computer heating control detection device A1, and computer heating control detection device A1 is connect with heating device, and heating relay K1's is every
The corresponding heating device in a contact.
One end of first temperature controller S1 is connect with low liquid level switch P1, and the first temperature controller S1 connects with the second temperature controller S2,
Second temperature controller S2 is connect with the coil of heating relay K1.
Low liquid level switch P1, the coil for heating relay K1 are controlled by the first temperature controller S1 and the second temperature controller S2 and heating
Detection device A1 connection processed.
The port 15,16,17,18 of computer heating control detection device A1 is respectively temperature control 1, temperature control 2, temperature control 3,4 signal of temperature control
End, port 5 is for exporting heating indication signal H_N, and port 6 is for exporting fuser malfunction signal H_F, 7 connection -24V electricity of port
Source, 8 connection+24V power supply of port.
The working principle of electric-heating control system provided by the utility model is：
Temperature in first temperature controller, the second temperature controller and self-melt temperature controller real-time detection container, when the first temperature controller
When detecting that the temperature of the medium in container is lower than the desired temperature of the first temperature controller, computer heating control detection device is according to first
The testing result control electric heater unit heating of temperature controller；After detecting that temperature is higher than the desired temperature of the first temperature controller,
Computer heating control detection device controls electric heater unit according to testing result and stops heating.
When the first temperature controller breaks down, the second temperature controller detects that temperature is higher than the desired temperature of the second temperature controller
When, computer heating control detection device disconnects the contact of heating relay, and heating circuit disconnects, and electric heater unit stops heating.
When the first temperature controller and the second temperature controller break down simultaneously or the contact of heating relay is adhered, work as temperature
When degree is higher than the desired temperature of self-melt temperature controller, the Thermal Cutoffs inside self-melt temperature controller fuses, heating circuit quilt
Cutting, electric heater unit stop heating；It avoids electric heater unit to work always, security risk occurs.
In conclusion a kind of electric-heating control system provided by the embodiment of the utility model, including by electric heater unit and
Heat heating circuit, computer heating control detection device, the first temperature controller, the second temperature controller and the self-melt temperature control of relay composition
First temperature controller and the second temperature controller are arranged in the control loop including computer heating control detection device device, by self-melt temperature
It controls between device setting power supply and heating circuit, when at least one of the first temperature controller, the second temperature controller, heating relay occur
When failure, the connection of heating circuit and power supply is directly cut off, solving can not after temperature controller damage in the electric heating circuit of part
The problem of stopping electric heater unit, being easy to appear safety accident, improves the safety of electrical-heating control circuit, efficiently reduces
The quantity of high tension loop improves safety when hotline maintenance upkeep operation, while the low, electric current using control loop voltage
Small feature increases the service life of the contact of heating relay.
It should be noted that：Above-mentioned the utility model embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of electric-heating control system, which is characterized in that the system comprises heating circuit, computer heating control detection device and
Temperature controller；
The heating circuit includes heating relay and electric heater unit, the heating circuit and the computer heating control detection device
Connection；
The temperature controller includes the first temperature controller, the second temperature controller and self-melt temperature controller；
One end of the contact of the heating relay is connect with the computer heating control detection device, the computer heating control detection device
It is connect with the electric heater unit, the other end of the contact of the heating relay is connected by the self-melt temperature controller and power supply
It connects；
Low liquid level switch, the coil for heating relay are controlled by first temperature controller and second temperature controller and the heating
Detection device connection processed；
Wherein, the desired temperature of second temperature controller is greater than the desired temperature of first temperature controller, the self-melt
The desired temperature of temperature controller is greater than the desired temperature of second temperature controller.
2. electric-heating control system according to claim 1, which is characterized in that the self-melt temperature controller is by metal sleeve
With the Thermal Cutoffs composition being arranged in the metal sleeve.
3. electric-heating control system according to claim 1, which is characterized in that first temperature controller is that liquid rises formula runback
Bit-type temperature controller, second temperature controller are sheet metal runback bit-type temperature controller.
4. electric-heating control system according to any one of claims 1 to 3, which is characterized in that the first temperature controller setting
Inside the container for storage medium；
The outer wall of the container for storage medium is arranged in second temperature controller and the self-melt temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690072.7U CN208158913U (en) | 2018-05-09 | 2018-05-09 | A kind of electric-heating control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690072.7U CN208158913U (en) | 2018-05-09 | 2018-05-09 | A kind of electric-heating control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158913U true CN208158913U (en) | 2018-11-27 |
Family
ID=64390208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820690072.7U Active CN208158913U (en) | 2018-05-09 | 2018-05-09 | A kind of electric-heating control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551695A (en) * | 2018-05-09 | 2018-09-18 | 无锡市万里实业发展有限公司 | A kind of electric-heating control system |
| CN117948717A (en) * | 2024-03-27 | 2024-04-30 | 通用电梯股份有限公司 | Escalator heating system |
-
2018
- 2018-05-09 CN CN201820690072.7U patent/CN208158913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551695A (en) * | 2018-05-09 | 2018-09-18 | 无锡市万里实业发展有限公司 | A kind of electric-heating control system |
| CN117948717A (en) * | 2024-03-27 | 2024-04-30 | 通用电梯股份有限公司 | Escalator heating system |
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