CN115268529A - Mechanical intelligent temperature control circuit of thermostat - Google Patents

Mechanical intelligent temperature control circuit of thermostat Download PDF

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Publication number
CN115268529A
CN115268529A CN202210567000.4A CN202210567000A CN115268529A CN 115268529 A CN115268529 A CN 115268529A CN 202210567000 A CN202210567000 A CN 202210567000A CN 115268529 A CN115268529 A CN 115268529A
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China
Prior art keywords
temperature
control circuit
module
mechanical
temperature control
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CN202210567000.4A
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Chinese (zh)
Inventor
冯现明
申海燕
王彩红
韩黎明
马振国
符旺
王庆芳
郭晓宏
李海峰
李敏
申振华
张刚军
张正文
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Linzhou Animal Epidemic Disease Prevention And Control Center
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Linzhou Animal Epidemic Disease Prevention And Control Center
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Priority to CN202210567000.4A priority Critical patent/CN115268529A/en
Publication of CN115268529A publication Critical patent/CN115268529A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)

Abstract

The invention discloses a mechanical intelligent temperature control circuit of a constant temperature box, and particularly relates to the technical field of constant temperature boxes, which comprises a constant temperature storage box body, wherein two mechanical temperature control circuits are arranged in the constant temperature storage box body, each temperature control circuit controls a lead to act inside the constant temperature storage box body, the two mechanical temperature control circuits are used in a combined mode to achieve heating and automatic starting when the temperature is lower than a set temperature, and refrigeration and automatic starting when the temperature is higher than the set temperature, in addition, a temperature sensor of any one temperature control circuit is arranged outside the constant temperature storage box body, a temperature sensor of the other temperature control circuit is arranged inside the constant temperature storage box body, so that the temperature is automatically controlled according to the external temperature, in addition, a cooling fan is arranged on the constant temperature storage box body and is connected between the two mechanical temperature control circuits in parallel, so that the temperature in the constant temperature storage box body is more uniform, the working time of a refrigeration and heating system is shortened, the temperature control precision is improved, and the temperature error is reduced.

Description

Mechanical intelligent temperature control circuit of thermostat
Technical Field
The invention relates to the technical field of thermostats, in particular to a mechanical intelligent temperature control circuit of a thermostat.
Background
In the livestock production and medical health industries, a plurality of technical links require constant temperature, taking a constant temperature cabinet for storing pig semen in the livestock production as an example, the pig semen requires constant temperature storage under the condition of constant temperature of 17 ℃, but most of the existing semen storage constant temperature cabinets on the market need manual switching control, namely, manual switching to a heating gear in winter and manual switching to a refrigerating gear in summer, refrigeration in daytime in seasons with large temperature change in spring or autumn day and night, heating at night, temperature shock and sudden heat can be caused by slight carelessness, and the constant temperature cabinet is extremely inconvenient to use in production; another storage tank circuit design in the market has serious defects, and the design idea is that the heating is carried out when the temperature is lower than 17 ℃, and the refrigeration is carried out when the temperature is higher than 17 ℃, so that a heating system and a refrigeration system work alternately all the year round, a large amount of electric power is wasted, the temperature is extremely unstable, and the semen storage quality is seriously influenced.
Disclosure of Invention
In order to overcome the above drawbacks of the prior art, embodiments of the present invention provide an intelligent temperature control circuit for a thermostat, in which two mechanical temperature control circuits are used in parallel, each temperature control circuit controls one wire, and the two mechanical temperature control circuits are used in combination to achieve the effect that heating is automatically started when the temperature is lower than a set temperature and cooling is started when the temperature is higher than the set temperature, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an incubator mechanical type intelligence control by temperature change circuit, including constant temperature bin body, this internal two mechanical type control by temperature change circuits that are equipped with of constant temperature bin, mechanical type control by temperature change circuit includes mechanical type temperature controller module, the temperature sensor module, the temperature heating module, temperature refrigeration module and LED display module, every control by temperature change circuit control wire acts on inside the constant temperature bin body, two mechanical type control by temperature change circuit jointly use in order to reach and heat automatic start when being less than the settlement temperature, refrigeration automatic start when being higher than the settlement temperature, wherein when specifically using, it is external that constant temperature bin body is arranged in to the temperature sensor with arbitrary control by temperature change circuit, the temperature sensor of another control by temperature change circuit is arranged in inside the constant temperature bin body, with this according to ambient temperature automatic temperature control, be equipped with radiator fan and parallelly connected between two mechanical type control by temperature change circuit in addition on constant temperature bin body, so that the temperature in the constant temperature bin body is more even, shorten refrigeration and heating system operating time, thereby improve accuse temperature precision, reduce the temperature error.
In a preferred embodiment, the mechanical thermostat module includes a temperature sensor module and a contact microswitch module, the temperature sensor module cooperating with the contact microswitch module.
Furthermore, the contact type micro switch module comprises a switch box, a contact element, a transmission support plate, a spring, a temperature control circuit board, a temperature adjusting cam and a temperature control knob, wherein the contact element and the transmission support plate are arranged inside the switch box, the temperature control circuit board, the temperature adjusting cam and the temperature control knob are arranged on the surface of the switch box, the transmission support plate is connected with the contact element, two ends of the spring are respectively connected with the transmission support plate and the temperature control circuit board, and the temperature adjusting cam and the temperature control knob are arranged on the temperature control circuit board.
Furthermore, the contact element comprises an upper contact sheet and a lower contact sheet which are connected with a circuit, the opposite surfaces of the two contact sheets are provided with contact point upper contact sheets which are connected with the lower part of the transmission support plate, and the transmission support plate is connected with the temperature sensor module through a curved rod provided with a diaphragm.
Furthermore, the temperature control circuit board is a single chip microcomputer and is electrically connected with the temperature sensor module, the temperature sensor collects temperature and feeds the temperature back to the single chip microcomputer, and the single chip microcomputer can provide an RAM circuit which is used for controlling an I/O port, interruption, timing and registering an intermediate result required by the system.
Specifically, the single chip microcomputer is matched with a forward channel and a reverse channel, the forward channel is a control execution channel, and the reverse channel is composed of a DS18b20 and used for collecting actual temperature information.
Further, the temperature sensor module is a temperature-pressure conversion part which is a closed type capsule, and comprises a temperature sensing head, a temperature sensing pipe and a temperature sensing box, wherein the temperature sensing head is connected with the temperature sensing pipe and communicated with the temperature sensing box through the temperature sensing pipe, the temperature sensing box is located inside the switch box and used for accommodating the diaphragm, and a temperature sensing agent is arranged at a position, close to the temperature sensing head, inside the temperature sensing pipe.
In a preferred embodiment, the temperature sensor module is a DS18b20 digital temperature sensor, which is a temperature sensor supporting a "one-wire bus" interface, has a small volume, does not occupy too many IO ports of the single chip microcomputer, and is connected to the temperature probe through a wire and placed inside the constant temperature storage box body.
In a preferred embodiment, the LED display module is a LCD1602 character type LCD for displaying the set temperature information and the actual temperature information.
In a preferred embodiment, the temperature heating module acts inside the constant-temperature storage box body and comprises an optical coupler, a relay and an infrared heating pipe, and the temperature heating module is electrically connected with a single chip microcomputer in the mechanical thermostat module.
In a preferred embodiment, the temperature refrigeration module is a semiconductor refrigeration chip of the LCC2016 unipolar thermoelectric module, which is a semiconductor refrigeration chip utilizing peltier effect, commonly called PN junction, and has a maximum refrigeration temperature Δ T =67 ℃, a maximum refrigeration capacity Qmax =26.8W, a maximum current Imax =6A at room temperature (27 ℃), a fast temperature response time, a timely and accurate control, a requirement of more than 50 ten thousand cycles, and a long temperature cycle life.
The invention has the technical effects and advantages that:
compared with the prior art, the two mechanical temperature control circuits are used in parallel, each temperature control circuit controls one wire, and the two mechanical temperature control circuits are used in combination to achieve the effects that the heating is automatically started when the temperature is lower than the set temperature, and the temperature is used for refrigerating and starting when the temperature is higher than the set temperature. When the temperature control device is used specifically, the temperature sensor of any temperature control circuit is arranged outside the storage box, and the temperature sensor of the other temperature control circuit is arranged inside the storage box, so that the effect of automatic temperature control throughout the year can be achieved.
And the cooling fan is connected in parallel on the refrigeration and heating, so that the temperature in the storage equipment is more uniform, and the working time of the refrigeration and heating system is shortened, thereby improving the temperature control precision and reducing the temperature error.
Drawings
Fig. 1 is a block diagram of a mechanical intelligent temperature control circuit of an oven according to the present application.
Fig. 2 is a circuit diagram of a mechanical intelligent temperature control circuit of an incubator according to the present application;
fig. 3 is a circuit diagram of a mechanical temperature controller module in a mechanical intelligent temperature control circuit of an incubator according to the present application;
fig. 4 is a circuit diagram of a temperature control circuit board in a temperature controller in a mechanical intelligent temperature control circuit of an incubator according to the present application;
fig. 5 is a circuit diagram of a temperature control circuit board and a temperature sensor module in a temperature controller in a mechanical intelligent temperature control circuit of an incubator according to the present application;
fig. 6 is an execution flowchart of a temperature controller in a mechanical intelligent temperature control circuit of an oven according to the present application;
fig. 7 is a block diagram of a mechanical temperature controller module in a temperature controller in a mechanical intelligent temperature control circuit of a thermostat according to the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a thermostat mechanical intelligent temperature control circuit, two mechanical temperature control circuits are arranged in a constant temperature storage box body, the mechanical temperature control circuits include a heating and cooling mechanical temperature controller module for controlling temperature, a temperature sensor module for sensing and transmitting temperature information, a temperature heating module for heating the temperature inside the constant temperature storage box, a temperature refrigeration module for reducing the temperature inside the constant temperature storage box and an LED display module for displaying the temperature information, wherein when the thermostat is used specifically, the temperature sensor of any temperature control circuit is arranged outside the constant temperature storage box body, the temperature sensor of another temperature control circuit is arranged inside the constant temperature storage box body, and each temperature control circuit controls a lead to act inside the constant temperature storage box body, the two mechanical temperature control circuits are used in a combined manner to achieve automatic heating starting when the temperature is lower than a set temperature, automatic cooling starting when the temperature is higher than the set temperature, so as to automatically control temperature according to the external temperature, a heat dissipation fan is arranged on the constant temperature storage box body and is connected between the two mechanical temperature control circuits in parallel during use, so as to make the temperature inside the constant temperature storage box body more uniform, shorten the working time of the refrigeration and the heating system, thereby increasing the temperature control precision and reducing the temperature error.
This application is when using respectively through being located the outside temperature sensor module inside with of constant temperature bin body and responding to the outside and inside temperature of constant temperature bin body to conduct temperature signal to mechanical type temperature controller module through the temperature sensor module, mechanical type temperature controller module automatic control temperature heating module or temperature refrigeration module come to heat or refrigerate constant temperature bin body is inside, thereby keep the inside temperature of constant temperature bin to be convenient for preserve work.
Referring to fig. 1-7, a thermostat mechanical intelligent temperature control circuit, the mechanical temperature controller module includes a temperature sensor module and a contact type micro switch module, the temperature sensor module is matched with the contact type micro switch module, the contact type micro switch module includes a switch box, a contact element, a transmission support plate, a spring, a temperature control circuit board, a temperature adjustment cam and a temperature control knob, the contact element and the transmission support plate are disposed inside the switch box, the temperature control circuit board, the temperature adjustment cam and the temperature control knob are disposed on the surface of the switch box, wherein the transmission support plate is connected with the contact element, two ends of the spring are respectively connected with the transmission support plate and the temperature control circuit board, the temperature adjustment cam and the temperature control knob are disposed on the temperature control circuit board, the contact element includes two upper and lower contact pieces connected with the transmission support plate, and the transmission support plate is connected with the temperature sensor module through a curved rod provided with a diaphragm.
Referring to fig. 1-7, a thermostat mechanical intelligent temperature control circuit, the temperature control circuit board is a single chip microcomputer and is electrically connected with a temperature sensor module, the temperature sensor collects temperature and feeds back the temperature to the single chip microcomputer, the single chip microcomputer can provide an I/O port, an interrupt, a RAM circuit for timing and registering intermediate results required by system control, the single chip microcomputer is matched with a forward channel and a reverse channel, the forward channel is a control execution channel, and the reverse channel is formed by DS18b20 and is used for collecting actual temperature information.
Referring to fig. 1-7, a thermostated container mechanical type intelligence control by temperature change circuit, the temperature sensor module is for being the warm pressure conversion part of closed utricule, and the temperature sensor module includes the temperature sensing head, temperature sensing pipe and temperature sensing box, the temperature sensing head is connected with the temperature sensing pipe and is communicated with the temperature sensing box through the temperature sensing pipe, the temperature sensing box is located the inside diaphragm that is used for holding of switch box, the inside temperature sensing head position that is close to of temperature sensing pipe is equipped with the temperature sensing agent, be used for induction temperature, wherein the temperature sensing agent is heated, inside production is gaseous and expand to temperature sensing box then extrude the diaphragm and be used for the transmission extension board, thereby make two upper and lower contact pieces contact or separation, then the rethread spring passes to the control by temperature circuit board, make the rising or the reduction of control by temperature circuit board induction temperature, these are novel also show through the LDE display screen display simultaneously.
Referring to fig. 1-7, a thermostat mechanical type intelligence control by temperature change circuit, temperature sensor module is DS18b20 digital temperature sensor and is a piece of temperature sensor who supports "a ray of bus" interface, and its is small, does not account for the too much IO mouth of singlechip, and temperature sensor module passes through the wire and is connected with temperature probe and place inside constant temperature bin body, and LED display module is LCD1602 character type liquid crystal display for show settlement temperature information and actual temperature information.
Referring to fig. 1-7, a thermostat mechanical type intelligence control by temperature change circuit, temperature heating module acts on inside the constant temperature bin body, it includes opto-coupler, relay and infrared heating pipe, and temperature heating module and the singlechip electric connection in the mechanical type temperature controller module, the temperature refrigeration module is LCC2016 unipolar thermoelectric module semiconductor refrigeration piece, it is the semiconductor refrigeration chip that utilizes the Peltier effect, commonly known as PN junction, maximum refrigerating temperature (Δ T =67 ℃ C.) under room temperature (27 ℃), maximum refrigerating output Qmax =26.8W, maximum current Imax =6A, temperature response time is fast, control is timely accurate, satisfy more than 50 ten thousand cycles, temperature cycle life is long.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides an incubator mechanical type intelligence control by temperature change circuit, includes constant temperature bin body, a serial communication port, this internal two mechanical type control by temperature change circuits that are equipped with of constant temperature bin, mechanical type control by temperature change circuit include mechanical type temperature controller module, temperature sensor module, temperature heating module, temperature refrigeration module and LED display module, and every control by temperature change circuit control wire acts on inside constant temperature bin body, one in two inside mechanical type control by temperature change circuit's temperature sensor arranges constant temperature bin this externally in, and it is originally internal that constant temperature bin is arranged in to another control by temperature change circuit's in two temperature sensor to this is according to ambient temperature automatic temperature control, be equipped with radiator fan on the constant temperature bin body and parallelly connected between two mechanical type control by temperature change circuits.
2. An incubator mechanical intelligent temperature control circuit according to claim 1, characterized in that: the mechanical temperature controller module comprises a temperature sensor module and a contact type micro switch module, and the temperature sensor module is matched with the contact type micro switch module.
3. An incubator mechanical intelligent temperature control circuit according to claim 2, characterized in that: the contact type micro switch module comprises a switch box, a contact element, a transmission support plate, a spring, a temperature control circuit board, a temperature adjusting cam and a temperature control knob, wherein the contact element and the transmission support plate are arranged inside the switch box, the temperature control circuit board, the temperature adjusting cam and the temperature control knob are arranged on the surface of the switch box, the transmission support plate is connected with the contact element, two ends of the spring are respectively connected with the transmission support plate and the temperature control circuit board, and the temperature adjusting cam and the temperature control knob are arranged on the temperature control circuit board.
4. The mechanical intelligent temperature control circuit of the incubator according to claim 3, wherein the contact member comprises two contact sheets connected with the circuit, the opposite surfaces of the two contact sheets are provided with contact sheets on the contact points to be connected with the lower part of the transmission support plate, and the transmission support plate is connected with the temperature sensor module through a curved rod provided with a diaphragm.
5. The mechanical intelligent temperature control circuit of the incubator according to claim 3, wherein the temperature control circuit board is a single chip microcomputer and is electrically connected with the temperature sensor module, the temperature sensor collects temperature and feeds the temperature back to the single chip microcomputer, and the single chip microcomputer can provide an RAM circuit for I/O port, interruption, timing and intermediate result registering required by system control.
6. The mechanical intelligent temperature control circuit of the incubator according to claim 5, wherein the singlechip is matched with a forward channel and a reverse channel, the forward channel is a control execution channel, and the reverse channel is composed of DS18b20 and is used for collecting actual temperature information.
7. The mechanical intelligent temperature control circuit of the incubator according to claim 2, wherein the temperature sensor module is a temperature-pressure conversion part in the form of a closed bag body, and the temperature sensor module comprises a temperature sensing head, a temperature sensing tube and a temperature sensing box, the temperature sensing head is connected with the temperature sensing tube and communicated with the temperature sensing box through the temperature sensing tube, the temperature sensing box is located inside the switch box and used for accommodating a diaphragm, and a temperature sensing agent is arranged inside the temperature sensing tube and close to the temperature sensing head.
8. The mechanical intelligent temperature control circuit of the incubator according to claim 2, wherein the temperature sensor module is a DS18b20 digital temperature sensor, the temperature sensor module is connected with the temperature probe through a wire and is arranged inside the constant temperature storage box body, and the LED display module is an LCD1602 character type liquid crystal display screen for displaying set temperature information and actual temperature information.
9. The mechanical intelligent temperature control circuit of the thermostat of claim 1, wherein the temperature heating module acts inside the constant-temperature storage box body, the temperature heating module comprises an optical coupler, a relay and an infrared heating pipe, and the temperature heating module is electrically connected with a single chip microcomputer in the mechanical temperature controller module.
10. The mechanical intelligent oven temperature control circuit of claim 1, wherein the temperature refrigeration module is a LCC2016 single-pole thermoelectric module semiconductor refrigeration chip, and the temperature refrigeration module has a maximum refrigeration temperature (Δ T =67 ℃, a maximum refrigeration capacity Qmax =26.8W and a maximum current Imax =6A at room temperature (27 ℃).
CN202210567000.4A 2022-05-23 2022-05-23 Mechanical intelligent temperature control circuit of thermostat Pending CN115268529A (en)

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Application Number Priority Date Filing Date Title
CN202210567000.4A CN115268529A (en) 2022-05-23 2022-05-23 Mechanical intelligent temperature control circuit of thermostat

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Application Number Priority Date Filing Date Title
CN202210567000.4A CN115268529A (en) 2022-05-23 2022-05-23 Mechanical intelligent temperature control circuit of thermostat

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CN115268529A true CN115268529A (en) 2022-11-01

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201295615Y (en) * 2008-06-02 2009-08-26 湖南大学 High-precision intelligent thermostatic water bath apparatus
CN101847700A (en) * 2010-05-26 2010-09-29 杭州华日电冰箱股份有限公司 Storage battery thermostat and temperature control method thereof
CN105242703A (en) * 2015-10-26 2016-01-13 柳明 Mechanical type temperature controller
CN110953783A (en) * 2019-10-17 2020-04-03 惠州市蓝微电子有限公司 Constant temperature box and constant temperature control method
CN111289828A (en) * 2020-03-16 2020-06-16 网易(杭州)网络有限公司 Constant temperature testing device, temperature control method, host, equipment and medium
CN211236711U (en) * 2019-12-30 2020-08-11 石家庄中腾科技有限公司 Automatic constant temperature control box
CN211544295U (en) * 2019-10-31 2020-09-22 西安交通大学 Cold chain logistics insulation can
CN112130606A (en) * 2020-09-23 2020-12-25 徐州市三禾自动控制设备有限公司 Constant temperature control box convenient to set for adjustment temperature
CN114087842A (en) * 2021-10-11 2022-02-25 青岛澳柯玛冷链集成有限公司 Automatic temperature control method and system for realizing refrigeration and heating

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201295615Y (en) * 2008-06-02 2009-08-26 湖南大学 High-precision intelligent thermostatic water bath apparatus
CN101847700A (en) * 2010-05-26 2010-09-29 杭州华日电冰箱股份有限公司 Storage battery thermostat and temperature control method thereof
CN105242703A (en) * 2015-10-26 2016-01-13 柳明 Mechanical type temperature controller
CN110953783A (en) * 2019-10-17 2020-04-03 惠州市蓝微电子有限公司 Constant temperature box and constant temperature control method
CN211544295U (en) * 2019-10-31 2020-09-22 西安交通大学 Cold chain logistics insulation can
CN211236711U (en) * 2019-12-30 2020-08-11 石家庄中腾科技有限公司 Automatic constant temperature control box
CN111289828A (en) * 2020-03-16 2020-06-16 网易(杭州)网络有限公司 Constant temperature testing device, temperature control method, host, equipment and medium
CN112130606A (en) * 2020-09-23 2020-12-25 徐州市三禾自动控制设备有限公司 Constant temperature control box convenient to set for adjustment temperature
CN114087842A (en) * 2021-10-11 2022-02-25 青岛澳柯玛冷链集成有限公司 Automatic temperature control method and system for realizing refrigeration and heating

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Application publication date: 20221101