CN220730695U - Temperature control system of transmitter incubator - Google Patents
Temperature control system of transmitter incubator Download PDFInfo
- Publication number
- CN220730695U CN220730695U CN202322423971.4U CN202322423971U CN220730695U CN 220730695 U CN220730695 U CN 220730695U CN 202322423971 U CN202322423971 U CN 202322423971U CN 220730695 U CN220730695 U CN 220730695U
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- Prior art keywords
- circuit module
- transmitter
- contact switch
- relay
- temperature
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- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000005485 electric heating Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model belongs to the technical field of temperature control equipment, and particularly discloses a temperature control system of a transmitter incubator, which comprises a power circuit module, a detection circuit module and a heating circuit module; the power circuit module is provided with two output ends, one of the output ends is connected with the detection circuit module through a transformer, and the other output end is connected with the heating circuit module; the detection circuit module comprises a first relay and a second relay which are connected in parallel, the first relay and the second relay are respectively connected with a first temperature contact switch and a second temperature contact switch, the first temperature contact switch and the second temperature contact switch are electrically connected with a temperature sensor, and the temperature sensor is arranged in a transmitter incubator; the heating circuit module comprises a first relay contact switch, a second relay contact switch and an electric heating element. The utility model reduces the action times of the temperature controller and prolongs the service life of the equipment.
Description
Technical Field
The utility model relates to the technical field of temperature control equipment, in particular to a temperature control system of a transmitter incubator.
Background
The current transmitter for waste heat boiler pressure detection is arranged in a transmitter insulation box behind the waste heat boiler, an electric tracing band is arranged on the wall of a pressure guide pipe of the transmitter, and an electric heating sheet is arranged in the insulation box, so that the transmitter is prevented from being damaged due to the fact that water in the transmitter is frozen when the air temperature is low. The electric heating sheet in the transmitter incubator is controlled by a temperature controller, and the temperature controller controls the heating sheet to work by collecting the temperature in the transmitter incubator, so that the temperature in the incubator meets the requirement of a set value.
Because the output of the temperature controller only uses a group of contacts, when a temperature value is set, the contacts act, the heating plate works, and after the temperature reaches the set value, the contacts reset, and the heating plate stops working. The control mode can only set a temperature value, has a small control range, causes frequent actions of contacts of the temperature controller, and can not normally work due to damage of the contacts when the operation time is long, so that the requirement of the insulation can on temperature control can not be met. Particularly, when the temperature is low, the temperature controller cannot work normally, and the pressure transmitter in the incubator is damaged, so that the pressure of the boiler cannot be measured, potential safety hazards are brought to the normal operation of the boiler, and serious economic loss is caused.
Disclosure of Invention
The utility model aims to provide a temperature control system of a transmitter incubator, which is used for improving an electric heating system in the incubator, reducing the action times of a temperature controller, enabling the temperature controller to be smoother and higher in reliability.
In order to achieve the above purpose, the utility model provides a temperature control system of a transmitter incubator, which adopts the following technical scheme:
a temperature control system of a transmitter incubator comprises a power circuit module, a detection circuit module and a heating circuit module;
the power circuit module is provided with two output ends, one of the output ends is connected with the detection circuit module through a transformer, and the other output end is connected with the heating circuit module;
the detection circuit module comprises a first relay and a second relay which are connected in parallel, the first relay and the second relay are respectively connected with a first temperature contact switch and a second temperature contact switch, the first temperature contact switch and the second temperature contact switch are electrically connected with a temperature sensor, and the temperature sensor is arranged in a transmitter incubator;
the heating circuit module comprises a first relay contact switch, a second relay contact switch and an electric heating element, wherein the first relay contact switch is connected with the second relay contact switch in parallel and then connected with the electric heating element in series, and the electric heating element is arranged in the transmitter insulation can.
Further, one output end of the power circuit module is connected with an input end of a transformer, the output end of the transformer is connected with an input end of a rectifying and filtering unit, and the output end of the rectifying and filtering unit is connected with the detection circuit module.
Further, the rectifying and filtering unit comprises a first rectifying diode, a second rectifying diode and a filter, wherein the first rectifying diode is connected with the second rectifying diode in parallel and then connected with the filter in series.
Further, the output end of the transformer is respectively connected with the first rectifying diode and the second rectifying diode, and the output end of the filter is connected with the input end of the detection circuit module.
Further, the power circuit module comprises a power access port, a main switch and a fuse protector which are connected with each other.
Further, the heating circuit module further comprises an indicator lamp connected with the electric heating element in parallel.
Further, the heating circuit module further comprises a first resistor, a second resistor and a third resistor, wherein the first resistor is connected with the indicator lamp in series, the second resistor is connected with the first relay contact switch in series, and the third resistor is connected with the second relay contact switch in series.
Further, the first resistor, the second resistor and the third resistor are carbon film resistors or metal film resistors.
Further, the filter is an aluminum electrolytic capacitor.
Further, the first rectifying diode and the second rectifying diode are silicon rectifying diodes.
The beneficial effects of the utility model are as follows: the utility model is provided with two sets of relay control loops, and fully utilizes two sets of output alarm points of the temperature controller, thereby increasing the control range of the temperature controller on temperature. The low alarm value and the high alarm value are set in the temperature controller, so that two groups of alarm output contacts of the temperature controller are controlled, the relay is controlled to act through the two groups of alarm output contacts, the heating plate is further controlled to work, and the temperature control requirement of the heat preservation box is met, so that the temperature control device has the advantages that:
1) Two temperature alarm values can be set, and the control range is wider;
2) The action times of the temperature controller are reduced, and the service life of the equipment is prolonged;
3) The control reliability of the relay is higher, and the equipment operates more stably.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 illustrates a circuit diagram of a transmitter incubator temperature control system in accordance with an embodiment of the present utility model.
FIG. 2 illustrates a component mounting schematic of a transmitter incubator temperature control system in accordance with an embodiment of the present utility model.
In the figure: 100. a power circuit module; 101. a transformer; 102. a first rectifier diode; 103. a second rectifier diode; 104. a filter; 105. a power supply access port; 106. a main switch; 107. a fuse protector; 200. a detection circuit module; 201. a first relay; 202. a second relay; 203. a first temperature contact switch; 204. a second temperature contact switch; 300. a heating circuit module; 301. a first relay contact switch; 302. a second relay contact switch; 303. an electric heating element; 304. an indicator light; 305. a first resistor; 306. a second resistor; 307. a third resistor; 400. a temperature sensor; 500. transmitter insulation can.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples.
The embodiment of the utility model provides a temperature control system of a transmitter incubator, which comprises a power circuit module 100, a detection circuit module 200 and a heating circuit module 300 as shown in fig. 1 and 2.
The power circuit module 100 has two output terminals, one of which is connected to the detection circuit module 200 through the transformer 101, and the other of which is connected to the heating circuit module 300;
the detection circuit module 200 comprises a first relay 201 and a second relay 202 which are connected in parallel, wherein the first relay 201 and the second relay 202 are respectively connected with a first temperature contact switch 203 and a second temperature contact switch 204, the first temperature contact switch 203 and the second temperature contact switch 204 are electrically connected with a temperature sensor 400, and the temperature sensor 400 is arranged in a transmitter incubator 500;
the heating circuit module 300 comprises a first relay contact switch 301, a second relay contact switch 302 and an electric heating element 303, wherein the first relay contact switch 301 and the second relay contact switch 302 are connected in parallel and then connected in series with the electric heating element 303, and the electric heating element 303 is arranged in the transmitter insulation box 500.
In implementation, the first temperature contact switch 203 and the second temperature contact switch 204 are illustratively configured to have a low temperature value a and a high temperature value B, respectively. Assume that the temperature value acquired by the temperature sensor 400 is x:
if x is smaller than a, the first temperature contact switch 203 and the second temperature contact switch 204 are both turned on, at this time, the first relay 201 and the second relay 202 in the detection circuit module 200 are powered on, so that the corresponding first temperature contact switch 203 and the second relay contact switch 302 are closed, the loop where the electric heating element 303 is located is turned on, the power supply circuit module 100 is utilized to supply power, so that the operation and heating are performed, the temperature in the transmitter incubator 500 rises until x is greater than or equal to a,
if x is greater than or equal to A and less than or equal to B, the first temperature contact switch 203 is closed, and the electric heating element 303 continues to operate.
If x is greater than B, the second temperature contact switch 204 is turned off, the second relay contact switch 302 is correspondingly turned off, and the heating element 303 stops operating.
Therefore, through the above process, the temperature in the transmitter incubator 500 can be always within a set temperature threshold range, in the process of constant temperature control, the second relay 202 is frequently operated, and the first relay 201 is triggered as a low temperature value, so that the operation is less, the service life of the first relay 201 is longer, the operation is more stable, and the temperature in the transmitter incubator 500 is not lower than a preset low temperature value A. Particularly, when the temperature is low, the utility model can work normally with high probability, and effectively avoids the damage of the pressure transmitter in the insulation can, thereby measuring the pressure of the boiler, reducing the potential safety hazard brought to the normal operation of the boiler and avoiding serious economic loss.
In some embodiments, as shown in fig. 1, one output terminal of the power circuit module 100 is connected to an input terminal of the transformer 101, an output terminal of the transformer 101 is connected to an input terminal of a rectifying and filtering unit, and an output terminal of the rectifying and filtering unit is connected to the detection circuit module 200.
Specifically, the rectifying and filtering unit includes a first rectifying diode 102, a second rectifying diode 103, and a filter 104, where the first rectifying diode 102 is connected in parallel with the second rectifying diode 103 and then connected in series with the filter 104. The output end of the transformer 101 is connected to the first rectifying diode 102 and the second rectifying diode 103, respectively, and the output end of the filter 104 is connected to the input end of the detection circuit module 200.
For example, the transformer 101 is selected as a power transformer with a secondary voltage of 12V, 220V ac is connected to the power circuit module 100, the first rectifying diode 102 and the second rectifying diode 103 are selected as silicon rectifying diodes, and the filter 104 is an aluminum electrolytic capacitor.
The first rectifying diode 102, the second rectifying diode 103, and the filter 104 function to rectify and filter the electric signal coming out of the transformer 101 to increase a stable voltage for the first relay 201 and the second relay 202.
In some embodiments, as shown in fig. 1, the power circuit module 100 includes a power access port 105, a main switch 106, and a fuse protector 107 that are connected to each other.
The power supply access port 105 is accessed with 220V or 330V alternating current, the main switch 106 plays a role in controlling the power supply of the whole system, and the fuse protector 107 plays an overcurrent protection role.
In some embodiments, as shown in fig. 1, the heating circuit module 300 further includes an indicator light 304 connected in parallel with the electric heating element 303, the indicator light 304 serving to indicate the operation state of the electric heating element 303, the indicator light 304 being turned on when the electric heating element 303 is operated, and the indicator light 304 being turned off when the indicator light 304 is stopped, the indicator light 304 may be mounted on the transmitter incubator 500
In some embodiments, as shown in fig. 1, the heating circuit module 300 further includes a first resistor 305, a second resistor 306, and a third resistor 307, wherein the first resistor 305 is connected in series with the indicator light 304, the second resistor 306 is connected in series with the first relay contact switch 301, and the third resistor 307 is connected in series with the second relay contact switch 302.
The first resistor 305, the second resistor 306 and the third resistor 307 may be carbon film resistors or metal film resistors, and the first resistor 305, the second resistor 306 and the third resistor 307 function as the protection indicator 304, the first relay contact switch 301 and the second relay contact switch 302.
In addition, when the constant temperature control is performed, the second resistor 306 and the third resistor 307 are both set to R, in the case of low temperature, for example, in the case where the temperature value is smaller than the set low temperature value, the first relay contact switch 301 and the second relay contact switch 302 are simultaneously turned on, and at this time, the resistance value of the entire loop in the heating circuit module 300 is smaller than that of only one of the first relay contact switch 301 and the second relay contact switch 302 being turned on, so that the operating current of the electric heating element 303 is higher, that is, the electric heating element 303 operates with high power at the low temperature, and in the case where the temperature value exceeds the set low temperature value, the switch of the first relay contact switch 301 is turned off, in the case where the resistance value is the resistance value R of the third resistor 307, and in the case where the two switches are turned on simultaneously, the resistance value is 0.5R, which is half that of one being turned on alone, and the resistance value is smaller.
The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.
Claims (10)
1. The temperature control system of the transmitter incubator is characterized by comprising a power circuit module, a detection circuit module and a heating circuit module;
the power circuit module is provided with two output ends, one of the output ends is connected with the detection circuit module through a transformer, and the other output end is connected with the heating circuit module;
the detection circuit module comprises a first relay and a second relay which are connected in parallel, the first relay and the second relay are respectively connected with a first temperature contact switch and a second temperature contact switch, the first temperature contact switch and the second temperature contact switch are electrically connected with a temperature sensor, and the temperature sensor is arranged in a transmitter incubator;
the heating circuit module comprises a first relay contact switch, a second relay contact switch and an electric heating element, wherein the first relay contact switch is connected with the second relay contact switch in parallel and then connected with the electric heating element in series, and the electric heating element is arranged in the transmitter insulation can.
2. The transmitter incubator temperature control system of claim 1, wherein an output of the power circuit module is connected to an input of a transformer, an output of the transformer is connected to an input of a rectifying and filtering unit, and an output of the rectifying and filtering unit is connected to the detection circuit module.
3. The transmitter incubator temperature control system of claim 2, wherein the rectifying and filtering unit comprises a first rectifying diode, a second rectifying diode and a filter, wherein the first rectifying diode is connected in parallel with the second rectifying diode and then connected in series with the filter.
4. The transmitter incubator temperature control system of claim 3, wherein the output end of the transformer is connected to the first rectifier diode and the second rectifier diode, respectively, and the output end of the filter is connected to the input end of the detection circuit module.
5. The transmitter incubator temperature control system of claim 1 wherein the power circuit module comprises a power access port, a main switch and a fuse protector connected to each other.
6. The transmitter incubator temperature control system of claim 1 wherein the heating circuit module further comprises an indicator light in parallel with the electrical heating element.
7. The transmitter incubator temperature control system of claim 6, wherein the heating circuit module further comprises a first resistor, a second resistor, and a third resistor, wherein the first resistor is in series with the indicator lamp, the second resistor is in series with the first relay contact switch, and the third resistor is in series with the second relay contact switch.
8. The transmitter incubator temperature control system of claim 7, wherein the first resistor, the second resistor, and the third resistor are carbon film resistors or metal film resistors.
9. The transmitter incubator temperature control system of claim 3, wherein the filter is an aluminum electrolytic capacitor.
10. The transmitter incubator temperature control system of claim 3 wherein the first rectifier diode and the second rectifier diode are both silicon rectifier diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423971.4U CN220730695U (en) | 2023-09-06 | 2023-09-06 | Temperature control system of transmitter incubator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322423971.4U CN220730695U (en) | 2023-09-06 | 2023-09-06 | Temperature control system of transmitter incubator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730695U true CN220730695U (en) | 2024-04-05 |
Family
ID=90486121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322423971.4U Active CN220730695U (en) | 2023-09-06 | 2023-09-06 | Temperature control system of transmitter incubator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730695U (en) |
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2023
- 2023-09-06 CN CN202322423971.4U patent/CN220730695U/en active Active
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