CN114326860B - Anti-surge dual-power locomotive temperature control system - Google Patents
Anti-surge dual-power locomotive temperature control system Download PDFInfo
- Publication number
- CN114326860B CN114326860B CN202210004016.4A CN202210004016A CN114326860B CN 114326860 B CN114326860 B CN 114326860B CN 202210004016 A CN202210004016 A CN 202210004016A CN 114326860 B CN114326860 B CN 114326860B
- Authority
- CN
- China
- Prior art keywords
- temperature
- circuit
- surge
- main control
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Voltage And Current In General (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides a surge-resistant dual-power locomotive temperature control system which comprises a main control module, a temperature monitoring module and a cooling module, wherein the temperature monitoring module is used for acquiring temperature data of a locomotive working environment, the main control module processes the temperature data and then outputs control parameters, and the cooling module starts to work according to the control parameters; the main control module comprises an anti-surge circuit and a dual-power circuit, the anti-surge circuit adopts a mode of connecting three piezoresistors in parallel to resist surge, in addition, a main power supply of 110v to 12v is used for carrying out double-circuit backup, one circuit is burnt out, a switch can be switched to a second circuit, the anti-surge circuit is added with the backup circuit, the service life is greatly prolonged, meanwhile, the control of the cooling module is realized through a dormancy instruction, a continuous working instruction and a pulse working instruction in the main control module, and the temperature is controlled to be in a proper area stably.
Description
Technical Field
The present disclosure relates generally to the field of production control, and more particularly to an anti-surge dual-power locomotive temperature control system.
Background
In industrial production, because motor work produces heat, can lead to the temperature rise of production environment, and some production environment are higher to ambient temperature's requirement, need control the temperature, and in prior art, the control of temperature is not accurate enough, and control module leads to the life-span not long because long-time work, needs carry out the circuit board replacement.
A number of temperature control systems have been developed, and through extensive search and reference, it has been found that the existing temperature control systems are disclosed as KR101686427B1, KR101716115B1, CN103742306B and KR101201550B1, including: the system comprises a heat exchange heat source pipeline, a locomotive warming pipeline, a heat exchanger, a circulating pump, a regulating valve and a main controller; the heat exchange heat source pipeline connects the static warming isolation heat exchange equipment of the diesel locomotive to the ground warming heat source main system, the locomotive warming pipeline is connected to a locomotive water system, and the heat exchange heat source pipeline and the locomotive warming pipeline are both connected to the heat exchanger; the locomotive heating pipeline is connected with a circulating pump; a communicating pipeline provided with an adjusting valve is arranged between the heat exchange heat source pipeline and the locomotive heating pipeline; however, the control module of the system only has one power supply, and cannot work normally when the power supply has a problem, and the circuit does not take protection measures, so that the service life of the circuit is short, and meanwhile, the temperature reduction measures are single, and the temperature stability cannot be realized in a cell.
Disclosure of Invention
The invention aims to provide an anti-surge dual-power locomotive temperature control system aiming at the defects,
the invention adopts the following technical scheme:
an anti-surge dual-power locomotive temperature control system comprises a main control module, a temperature monitoring module and a cooling module, wherein the temperature monitoring module is used for collecting temperature data of a locomotive working environment, the main control module processes the temperature data and then outputs a control instruction, and the cooling module starts working according to the control instruction;
the temperature monitoring module is combined with the main control module to obtain real-time temperature T (T), and the main control module sends three instructions according to the T (T):
when T (T) < T 0 +k·(T 1 -T 0 ) When the master control module is started, the master control module sends a sleep instruction;
when T (T) > T 1 -k·(T 1 -T 0 ) When the system is used, the main control module sends a continuous working instruction;
when T is 0 +k·(T 1 -T 0 )≤T(t)≤T 1 -k·(T 1 -T 0 ) The main control module sends a pulse working instruction;
wherein [ T 0 ，T 1 ]K is a temperature change coefficient for a suitable temperature interval.
The cooling module stops working under the sleep instruction, works at the highest cooling efficiency under the continuous working instruction, and works at different cooling efficiencies under the pulse working instruction;
the calculation formula of the temperature change coefficient k is as follows:
where T' (T) is the derivative of the function T (T), T 0 As a starting time of the function T (T) in the first sleep state phase, T 1 Reaching T in a first sleep state for a function T (T) 0 The end time of (d);
the main control module comprises a single chip microcomputer and a dual-power circuit, the single chip microcomputer is used for executing the calculation operation, the dual-power circuit is internally provided with the anti-surge sub-circuit, and the anti-surge sub-circuit is used for reducing peak current generated at the moment of power supply connection;
further, the pulse instruction sent by the main control module is an instruction of a periodic variation of a working instruction and a sleep instruction, a ratio of a working instruction duration to a sleep instruction duration in one period is δ, and a calculation formula of δ is as follows:
wherein, T x ＝T 0 +k·(T 1 -T 0 ) At a resting temperature, T W ＝T 1 -k·(T 1 -T 0 ) Is the operating temperature;
furthermore, the master control module further comprises an input/output socket, an analog amplification circuit and a relay control circuit, wherein the input/output socket is used for connecting the temperature monitoring module and the cooling module, the analog amplification circuit is used for amplifying signals collected by the temperature detection module and then transmitting the signals to the singlechip for operation processing, and the relay control circuit is used for processing instructions sent by the master control module and controlling the operation of the cooling module;
furthermore, the anti-surge sub-circuit is formed by connecting three parts in parallel, wherein the first part is formed by connecting a voltage stabilizing diode and a voltage dependent resistor in series, the second part is formed by connecting a voltage stabilizing diode and an inductor in series, and the third part is formed by connecting a polar capacitor and a non-polar capacitor in parallel;
further, the dual power supply circuit comprises two power supplies U1 and U2, the power supplies U1 and U2 are provided with 4 interfaces, a 220V positive interface, a 220V negative interface, a 12V output interface and a 0V output interface, wherein the 12V output interface is connected to a 12V output end in a forward direction through a diode, the 0V output interface is connected to a grounding end in a reverse direction through a diode, the 220V positive interface is connected with two interfaces in a three-end connector, the other interface of the three-end connector is connected to a power output positive end in the input/output power strip interface in a reverse direction through a diode, and the 220V negative interface is connected to a power output negative end in the input/output power strip interface in a forward direction through a diode.
The beneficial effects obtained by the invention are as follows:
the main control module of the system is improved aiming at a power supply of a use environment, the power supply of the locomotive is seriously interfered, the anti-surge of the parallel connection of three paths of piezoresistors is adopted, in addition, the two paths of main power supplies are backed up, one path is burnt out, a switch can be switched to the second path, the anti-surge and backup circuit is added, the service life is greatly prolonged, meanwhile, the cooling module is controlled by the Zhu-Start module through outputting a dormancy instruction, a continuous working instruction and a pulse working instruction, and the pulse working instruction can reach different cooling effects according to the time length ratio delta, so that the accurate control of the environment temperature is realized.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
FIG. 1 is a schematic view of the overall structural framework of the present invention;
FIG. 2 is a schematic diagram of a structural framework of a main control module according to the present invention;
FIG. 3 is a schematic diagram of an anti-surge sub-circuit of the present invention;
FIG. 4 is a schematic diagram of the left portion of the analog amplification circuit of the present invention;
FIG. 5 is a schematic diagram of the right portion of the analog amplification circuit of the present invention;
fig. 6 is a schematic diagram of a relay control circuit according to the present invention.
Detailed Description
The following embodiments are provided to illustrate the present invention by specific examples, and those skilled in the art will be able to understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
The embodiment provides a surge-resistant dual-power locomotive temperature control system, which is combined with fig. 1 and comprises a main control module, a temperature monitoring module and a cooling module, wherein the temperature monitoring module is used for acquiring temperature data of a working environment of a locomotive, the main control module processes the temperature data and then outputs a control instruction, and the cooling module starts working according to the control instruction;
the temperature monitoring module is combined with the main control module to obtain real-time temperature T (T), and the main control module sends three instructions according to the T (T):
when T (T) < T 0 +k·(T 1 -T 0 ) When the master control module is started, the master control module sends a sleep instruction;
when T (T) > T 1 -k·(T 1 -T 0 ) When the system is used, the main control module sends a continuous working instruction;
when T is 0 +k·(T 1 -T 0 )≤T(t)≤T 1 -k·(T 1 -T 0 ) The main control module sends a pulse working instruction;
wherein [ T 0 ，T 1 ]K is a temperature change coefficient for a suitable temperature interval.
The cooling module stops working under the sleep instruction, works at the highest cooling efficiency under the continuous working instruction, and works at different cooling efficiencies under the pulse working instruction;
the calculation formula of the temperature change coefficient k is as follows:
where T' (T) is the derivative function of the function T (T), T 0 As a starting time of the function T (T) in the first sleep state phase, T 1 Reaching T in a first sleep state for a function T (T) 0 The end time of (d);
the main control module comprises a single chip microcomputer and a dual-power circuit, the single chip microcomputer is used for executing the calculation operation, the dual-power circuit is internally provided with the anti-surge sub-circuit, and the anti-surge sub-circuit is used for reducing peak current generated at the moment of power supply connection;
the pulse instruction sent by the main control module is an instruction of a work instruction-sleep instruction cycle change, the ratio of the work instruction duration to the sleep instruction duration in one cycle is delta, and the calculation formula of the delta is as follows:
wherein, T x ＝T 0 +k·(T 1 -T 0 ) At a resting temperature, T W ＝T 1 -k·(T 1 -T 0 ) Is the operating temperature;
the main control module further comprises an input/output socket, an analog amplification circuit and a relay control circuit, wherein the input/output socket is used for connecting the temperature monitoring module and the cooling module, the analog amplification circuit is used for amplifying signals acquired by the temperature detection module and then transmitting the signals to the single chip microcomputer for operation processing, and the relay control circuit is used for processing instructions sent by the main control module and controlling the work of the cooling module;
the surge-resistant sub-circuit is formed by connecting three parts in parallel, wherein the first part is formed by connecting a voltage stabilizing diode and a voltage dependent resistor in series, the second part is formed by connecting a voltage stabilizing diode and an inductor in series, and the third part is formed by connecting a polar capacitor and a non-polar capacitor in parallel;
the dual power supply circuit comprises two power supplies U1 and U2, wherein the power supplies U1 and U2 are respectively provided with 4 interfaces, a 220V positive interface, a 220V negative interface, a 12V output interface and a 0V output interface, wherein the 12V output interface is connected to a 12V output end in a forward direction through a diode, the 0V output interface is connected to a grounding end in a reverse direction through a diode, the 220V positive interface is connected with two interfaces in a three-end connector, another interface of the three-end connector is connected to a power output positive end in the input output power socket in a reverse direction through a diode, and the 220V negative interface is connected to a power output negative end in the input output power socket in a forward direction through a diode.
The second embodiment.
The embodiment includes the whole content of the first embodiment, and provides an anti-surge dual-power locomotive temperature control system which comprises a main control module, a temperature monitoring module and a cooling module, wherein the temperature monitoring module is used for collecting temperature data of a locomotive working environment, the main control module processes the temperature data and then outputs control parameters, and the cooling module starts working according to the control parameters;
the temperature monitoring module is combined with the main control module to detect a real-time temperature value T (T), and the suitable working environment temperature interval of the locomotive is [ T ] 0 ，T 1 ]The main control module controls the cooling module to work to enable the detected temperature value T to be always in an interval [ T ] 0 ，T 1 ]Internal;
when T (T) < T 0 +k·(T 1 -T 0 ) When the temperature is lowered, the main control module controls the cooling module to be in a dormant state;
when T (T) > T 1 -k·(T 1 -T 0 ) When the temperature is lowered, the main control module controls the temperature lowering module to be in a continuous working state;
when T is 0 +k·(T 1 -T 0 )≤T(t)≤T 1 -k·(T 1 -T 0 ) The main control module controls the cooling module to be in a pulse working state;
k is a temperature change coefficient and is obtained by processing according to the temperature change condition detected by the cooling module in the first dormancy state stage;
the calculation formula of the temperature change coefficient k is as follows:
where T' (T) is the derivative of the function T (T), T 0 As a starting time of the function T (T) in the first sleep state phase, T 1 Reaching T in a first sleep state for a function T (T) 0 The termination time of (d);
note T x ＝T 0 +k·(T 1 -T 0 ) For the resting temperature, note T W ＝T 1 -k·(T 1 -T 0 ) Is the working temperature;
the main control module enables the cooling module to be in a pulse working state by sending a pulse instruction, the pulse instruction is an instruction of working instruction-dormant instruction period change, and the duration of one period is T c The ratio of the working instruction duration to the sleep instruction duration in one cycle is δ, and the calculation formula of δ is as follows:
the more the value of the delta is close to 1, the higher the cooling efficiency of the cooling module is, the more the value of the delta is close to 0, and the lower the cooling efficiency of the cooling module is;
referring to fig. 2, the main control module includes an input/output socket, a dual power circuit, a single chip, an analog amplification circuit, a relay control circuit, and a voltage stabilizing circuit;
the input and output socket comprises three pairs of connecting interfaces, wherein the first pair is a power interface and is represented by (V110 + and V110-) for providing 220V voltage, the power interface is connected with the dual-power circuit, the second pair is an input interface and is represented by (PT 100+ and PT 100-) for being connected with the temperature monitoring module, and the third pair is an output interface and is represented by (FAN + and FAN-) for being connected with the relay circuit;
the dual-power circuit comprises two power supplies U1 and U2, wherein U1 is a main power supply, U2 is a standby power supply, the power supplies U1 and U2 both comprise 4 interfaces, a 220V positive electrode interface, a 220V negative electrode interface, a 12V output interface and a 0V output interface, wherein the 12V output interface is connected to a 12V output end in a forward direction through a diode, the 0V output interface is reversely connected to a grounding end through a diode, the 220V positive electrode interface is connected with two interfaces in a three-end connector, the other interface of the three-end connector is reversely connected to a V110+ end in the input and output power supply interface through a diode, and the 220V negative electrode interface is connected to a V110-end in the input and output power supply interface in a forward direction through a diode;
with reference to fig. 3, the dual power supply circuit further includes an anti-surge sub-circuit, the anti-surge sub-circuit is connected between the power interfaces of the input/output socket, the anti-surge sub-circuit includes three parts, the first part is a zener diode connected in series with a voltage dependent resistor, wherein the anode of the zener diode is connected to the V110+ terminal, the voltage dependent resistor is connected to the V110-terminal, the second part is a zener diode connected in series with an inductor, wherein the cathode of the zener diode is connected to the V110+ terminal, the inductor is connected to the V110-terminal, the inductance value is 100 μ H, the third part is a polar capacitor connected in parallel with a non-polar capacitor, wherein the anode of the polar capacitor is connected to the V110+ terminal, the cathode of the polar capacitor is connected to the V110-terminal, the capacitance value of the polar capacitor is 47 μ F, and the capacitance value of the non-polar capacitor is 0.1F;
the voltage stabilizing circuit comprises a voltage stabilizing integrator, the voltage stabilizing integrator comprises an input interface, an output interface, a feedback interface, a grounding interface and a switch interface, the grounding interface is directly connected with the switch interface, the input interface is connected with a 12V output end, a 100 muH inductor is connected between the output interface and the feedback interface, a diode is connected between the output interface and the grounding interface, the anode of the diode is connected with the output interface, a 0.1F nonpolar capacitor and a 1000 muF electrolytic capacitor are connected between the feedback interface and the grounding interface, the nonpolar capacitor and the electrolytic capacitor are in parallel connection, and the anode of the electrolytic capacitor is connected with the feedback interface;
with reference to fig. 4 and 5, a dual operational amplifier is disposed in the analog amplifying circuit, a first non-inverting input terminal of the dual operational amplifier is connected to a reference voltage terminal, a voltage value of the reference voltage terminal is 4.09V, a first inverting input terminal of the dual operational amplifier is connected to a ground terminal by serially connecting a resistor R2 and a resistor R3, the first inverting input terminal of the dual operational amplifier is connected to a PT100+ terminal of the input/output socket, a first output terminal of the dual operational amplifier is connected to a PT 100-terminal of the input/output socket, the PT100+ terminal is connected to a second inverting input terminal of the dual operational amplifier by a resistor R4, the PT 100-terminal is connected to a second non-inverting input terminal of the dual operational amplifier by a resistor R5, the second non-inverting input terminal of the dual operational amplifier is connected to a second non-inverting input terminal of the dual operational amplifier by a resistor R6, a resistor R7 is connected between the second inverting input terminal and the second output terminal of the dual operational amplifier, the second output terminal of the dual operational amplifier is connected to an analog signal input terminal by a resistor R8, the analog signal input terminal is connected to a non-regulated-polarity signal interface of the single chip microcomputer, and a non-voltage stabilizing capacitor F1, and the analog signal input terminal is connected to the single chip microcomputer;
a reference voltage end in the analog amplification circuit is provided by a controllable precise voltage-stabilizing source, a reference pole of the controllable precise voltage-stabilizing source is connected with a 12V output end by a resistor R1, a cathode of the controllable precise voltage-stabilizing source is connected with a grounding end, an anode of the controllable precise voltage-stabilizing source is connected with an adjusting end of an adjustable resistor R20, two resistor ends of the adjustable resistor R20 are respectively connected with the cathode and the reference pole of the controllable precise voltage-stabilizing source, and the reference pole of the controllable precise voltage-stabilizing source outputs reference voltage;
in the analog amplification circuit, R1 is 100 Ω, R2 is 1k Ω, R3 is 2.2k Ω, R4 is 47k Ω, R5 is 47k Ω, R6 is 470k Ω, R7 is 470k Ω, R8 is 1k Ω, and R20 is 5k Ω;
with reference to fig. 6, a relay is disposed in the relay control circuit, a positive detection input interface of the relay is connected to the 12V output terminal, a negative detection input interface of the relay is connected to a collector of an NPN transistor, a diode is connected between the positive detection input interface and the negative detection input interface of the relay, an anode of the diode is connected to the negative detection input interface, a cathode of the diode is connected to the positive detection input interface, a base of the transistor is connected to the relay output interface of the single chip microcomputer through a resistor R9, the base of the transistor is connected to a ground terminal through a resistor R10, and an emitter of the transistor is directly connected to the ground terminal;
the movable contact of the relay is connected with the cooling module, the normally closed contact of the relay is connected with an FAN-end, the FAN-end is connected with an FAN + end through a 0.1F capacitor, and the FAN + end is connected with the cooling module;
the temperature monitoring module comprises a pt100 thermal resistance sensor, electric signals at two ends of the temperature monitoring module enter the analog amplification circuit through an input interface of the input/output socket, analog signals obtained after processing by the double operational amplifiers are input into the singlechip, and the singlechip processes the analog signals and then outputs relay control signals;
the dual-power circuit and the voltage stabilizing circuit are used for providing a stable working voltage for the analog amplification circuit, and the anti-surge subcircuit in the dual-power circuit can reduce the peak current generated at the moment of power connection and prolong the service life of the main control module.
The above disclosure is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that all the modifications and equivalents of the technical changes and equivalents made by the disclosure and drawings are included in the scope of the present invention, and the elements thereof may be updated as the technology develops.
Claims (5)
1. The anti-surge dual-power locomotive temperature control system is characterized by comprising a main control module, a temperature monitoring module and a cooling module, wherein the temperature monitoring module is used for acquiring temperature data of a locomotive working environment, the main control module processes the temperature data and then outputs a control instruction, and the cooling module starts working according to the control instruction;
the temperature monitoring module is combined with the main control module to obtain real-time temperature T (T), and the main control module sends three instructions according to the T (T):
when the temperature at the moment T is less than T 0 +k·(T 1 -T 0 ) When the master control module is started, the master control module sends a sleep instruction;
when the temperature at the moment T is greater than T 1 -k·(T 1 -T 0 ) When the system is used, the main control module sends a continuous working instruction;
when the temperature at time T is at T 0 +k·(T 1 -T 0 ) And T 1 -k·(T 1 -T 0 ) In the meantime, the main control module sends a pulse working instruction;
wherein [ T 0 ，T 1 ]K is a temperature change coefficient;
the cooling module stops working under the sleep instruction, works at the highest cooling efficiency under the continuous working instruction, and works at different cooling efficiencies under the pulse working instruction;
the calculation formula of the temperature change coefficient k is as follows:
wherein T' (T) is a derivative of a function T (T) which is a function of the previously detected real-time temperature T (T), T 0 As a starting time of the function T (T) in the first sleep state phase, T 1 Reaching T in a first sleep state for a function T (T) 0 The termination time of (d);
the main control module comprises a single chip microcomputer and a dual-power circuit, the single chip microcomputer is used for executing the calculation operation, an anti-surge sub-circuit is arranged in the dual-power circuit, and the anti-surge sub-circuit is used for reducing peak current generated in the moment of power supply connection.
2. The anti-surge dual-power locomotive temperature control system according to claim 1, wherein the pulse command sent by the main control module is a command of a work command-sleep command cycle change, a ratio of a work command duration to a sleep command duration in one cycle is δ, and a calculation formula of δ is as follows:
wherein, T x ＝T 0 +k·(T 1 -T 0 ) At a resting temperature, T W ＝T 1 -k·(T 1 -T 0 ) The operating temperature.
3. The anti-surge dual-power locomotive temperature control system according to claim 2, wherein the main control module further comprises an input/output power strip, an analog amplification circuit and a relay control circuit, the input/output power strip is used for connecting the temperature monitoring module and the cooling module, the analog amplification circuit is used for amplifying signals collected by the temperature monitoring module and then transmitting the signals to the single chip microcomputer for operation processing, and the relay control circuit is used for processing instructions sent by the main control module and controlling the operation of the cooling module.
4. An anti-surge dual power locomotive temperature control system according to claim 3, wherein said anti-surge sub-circuit is connected in parallel by three parts, a first part is a zener diode connected in series with a voltage dependent resistor, a second part is a zener diode connected in series with an inductor, and a third part is a polar capacitor connected in parallel with a non-polar capacitor.
5. The anti-surge dual-power locomotive temperature control system according to claim 4, wherein the dual-power circuit comprises two power sources U1 and U2, each of the power sources U1 and U2 comprises 4 interfaces, namely a 220V positive interface, a 220V negative interface, a 12V output interface and a 0V output interface, wherein the 12V output interface is connected to the 12V output end in a forward direction through a diode, the 0V output interface is connected to the ground end in a reverse direction through a diode, the 220V positive interface is connected to two interfaces in a three-terminal connector, the other interface of the three-terminal connector is connected to the power output positive end in the input/output power strip interface in a reverse direction through a diode, and the 220V negative interface is connected to the power output negative end in the input/output power strip interface in a forward direction through a diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004016.4A CN114326860B (en) | 2022-01-05 | 2022-01-05 | Anti-surge dual-power locomotive temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210004016.4A CN114326860B (en) | 2022-01-05 | 2022-01-05 | Anti-surge dual-power locomotive temperature control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114326860A CN114326860A (en) | 2022-04-12 |
| CN114326860B true CN114326860B (en) | 2022-11-22 |
Family
ID=81022532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210004016.4A Active CN114326860B (en) | 2022-01-05 | 2022-01-05 | Anti-surge dual-power locomotive temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114326860B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151256A (en) * | 1989-09-18 | 1992-05-25 | Canon Inc | Ink jet recording device and temperature control method thereof |
| US5718373A (en) * | 1995-08-11 | 1998-02-17 | Samsung Electronics Co., Ltd. | System for controlling automobile cooling fan |
| EP2175484A1 (en) * | 2008-10-07 | 2010-04-14 | Koninklijke Philips Electronics N.V. | Power semiconductor device adaptive cooling assembly |
| CN202305566U (en) * | 2011-08-19 | 2012-07-04 | 深圳安博电子有限公司 | Heat radiating system of integrated circuit tester |
| CN102721289A (en) * | 2012-07-06 | 2012-10-10 | 鞍钢集团工程技术有限公司 | Energy-saving control method for heating furnace hydraulic system |
| CN205356209U (en) * | 2016-01-28 | 2016-06-29 | 西安科技大学 | Stepping motor control device |
| CN206557626U (en) * | 2017-03-15 | 2017-10-13 | 湖南汽车工程职业学院 | A kind of smart electronicses temperature controller |
| CN112833604A (en) * | 2019-11-25 | 2021-05-25 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8823321B2 (en) * | 2010-12-30 | 2014-09-02 | The Gillette Company—South Boston | Single wire battery pack temperature and identification method |
| CN203812015U (en) * | 2014-04-21 | 2014-09-03 | 南京分析仪器厂有限公司 | Micro current standby circuit for portable multi-component flue gas analyzer |
| CN109238310A (en) * | 2018-11-05 | 2019-01-18 | 珠海全志科技股份有限公司 | A kind of pair of MEMS sensor carries out the method and device of temperature-compensating |
| CN113682142A (en) * | 2021-08-27 | 2021-11-23 | 河南牧原智能科技有限公司 | Wireless vehicle monitoring system |
-
2022
- 2022-01-05 CN CN202210004016.4A patent/CN114326860B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151256A (en) * | 1989-09-18 | 1992-05-25 | Canon Inc | Ink jet recording device and temperature control method thereof |
| US5718373A (en) * | 1995-08-11 | 1998-02-17 | Samsung Electronics Co., Ltd. | System for controlling automobile cooling fan |
| EP2175484A1 (en) * | 2008-10-07 | 2010-04-14 | Koninklijke Philips Electronics N.V. | Power semiconductor device adaptive cooling assembly |
| CN202305566U (en) * | 2011-08-19 | 2012-07-04 | 深圳安博电子有限公司 | Heat radiating system of integrated circuit tester |
| CN102721289A (en) * | 2012-07-06 | 2012-10-10 | 鞍钢集团工程技术有限公司 | Energy-saving control method for heating furnace hydraulic system |
| CN205356209U (en) * | 2016-01-28 | 2016-06-29 | 西安科技大学 | Stepping motor control device |
| CN206557626U (en) * | 2017-03-15 | 2017-10-13 | 湖南汽车工程职业学院 | A kind of smart electronicses temperature controller |
| CN112833604A (en) * | 2019-11-25 | 2021-05-25 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114326860A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103166175B (en) | LED drive power protection circuit against input over-voltage | |
| CN114326860B (en) | Anti-surge dual-power locomotive temperature control system | |
| WO2022161184A1 (en) | Power source module and power source system | |
| CN109093649B (en) | Heat dissipation device of transfer robot | |
| CN112527040B (en) | Linear voltage stabilizing circuit | |
| WO2023029598A1 (en) | Low-power-consumption intelligent current sensor and working mode control method therefor | |
| CN109163819A (en) | One kind having linear high-precision unmanned vehicle engine cylinder temperature thermometer | |
| CN211351812U (en) | Power module control circuit | |
| CN101242699B (en) | Intelligent heat radiation control device for non-pole lamp rectifier | |
| CN205121401U (en) | Electric current source suitable for big current power device testing arrangement | |
| CN109039051B (en) | Cascade bus power supply's supplier | |
| CN215930187U (en) | Energy-saving air source heat pump control system | |
| CN108006991B (en) | Constant air quantity control system of gas rapid water heater | |
| CN217122155U (en) | Air cooling control device for laser | |
| CN201142343Y (en) | Self-starting and self-adaptation control circuit for air supply of fuel battery set | |
| CN221007884U (en) | Isolation controllable type water inlet detection sensor | |
| CN216449947U (en) | Low-voltage compensation cabinet monitoring system | |
| CN215120171U (en) | Charger circuit with independent over-temperature protection module | |
| CN201540494U (en) | Intelligent air-cooled control system for control cabinet of oil pumping unit | |
| CN213661195U (en) | Be used for power input undervoltage overvoltage crowbar | |
| CN215682111U (en) | Power output bus circuit | |
| CN113193744B (en) | Control device and method for power device in discrete PFC circuit and electrical equipment | |
| CN210323908U (en) | Low-impedance closed-loop temperature control circuit | |
| CN216531066U (en) | Protection circuit of power control chip and power circuit | |
| CN217820764U (en) | Alternating current disturbance circuit for hydrogen fuel cell impedance online measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |