CN216080606U - Automatic regulating system of temperature controller of refrigeration appliance - Google Patents
Automatic regulating system of temperature controller of refrigeration appliance Download PDFInfo
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- CN216080606U CN216080606U CN202122821798.4U CN202122821798U CN216080606U CN 216080606 U CN216080606 U CN 216080606U CN 202122821798 U CN202122821798 U CN 202122821798U CN 216080606 U CN216080606 U CN 216080606U
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Abstract
The invention relates to an automatic regulating system of a temperature controller of a refrigeration appliance, which comprises a human-computer interaction interface, a main control board, a servo driver and a regulating device, wherein the main control board is connected with the main control board; the adjusting device comprises a rotary clamping part, the rotary clamping part comprises a servo motor and a mechanical rotary clamp, and the mechanical rotary clamp is used for clamping a temperature control knob of a refrigeration appliance; the human-computer interaction interface is connected with the main control board or the upper computer and is used for inputting set temperature; the main control board comprises an MCU and a CPLD, wherein the MCU is connected with the upper computer through a communication interface and is used for calling set temperature and real-time temperature data inside a refrigeration appliance in the upper computer, performing data calculation and issuing an instruction to the CPLD according to a data calculation result, the CPLD is used for generating a pulse instruction and a control signal to the servo driver, and the servo driver is used for controlling the operation of the servo motor. By adopting the technical scheme, the labor intensity of workers is reduced, the test efficiency is improved, and the accuracy of test data is improved.
Description
Technical Field
The invention relates to the technical field of detection of household appliances, in particular to an automatic regulating system for a temperature controller of a refrigeration appliance.
Background
In the regulations of the relevant standards of commercial refrigeration appliances such as the national standard GB26920.2, the internal temperature of the refrigeration appliances is required to be controlled. According to the provisions of the test method, in the test process, a tester needs to adjust the temperature controller of the sample according to the running condition of the sample, so that the internal temperature of the refrigeration appliance is stabilized within a certain range.
At present, most of known detection laboratories adopt a method of manually adjusting a temperature controller to control the internal temperature of a sample, and a simulation type temperature controller is inaccurate in scale, needs to be adjusted by a manual trial and error method to meet the requirement of test temperature, and is low in test efficiency. When the samples tested simultaneously in the laboratory are more, the temperature is frequently monitored by the tester and the temperature controller is adjusted by passing in and out of the laboratory, so that the temperature field of the laboratory can be damaged, the accuracy of the test result is reduced, and the labor intensity of workers and the power consumption of test equipment are increased.
Disclosure of Invention
The invention aims to solve the problems that temperature setting needs manual long-time monitoring and intervention in the test and the test temperature and humidity field environment is damaged due to frequent entering and exiting of a tester in a laboratory, and provides the automatic regulating system for the temperature controller of the refrigeration appliance.
To solve the technical problems, the technical scheme of the invention is as follows:
an automatic regulating system of a temperature controller of a refrigeration appliance comprises N regulating devices, wherein N is more than or equal to 1; the adjusting device comprises a rotary clamping part, the rotary clamping part comprises a servo motor, a speed reducer and a mechanical rotary clamp, the servo motor is connected with the speed reducer, the mechanical rotary clamp is coaxially fixed with an output shaft of the speed reducer, and the mechanical rotary clamp is used for clamping a temperature control knob of a refrigeration appliance;
the system also comprises a human-computer interaction interface, a main control board and a servo driver, wherein the human-computer interaction interface is connected with the main control board or an upper computer, the human-computer interaction interface is used for inputting set temperature, and the upper computer is used for collecting and storing real-time temperature data of the refrigeration appliance; the master control board comprises an MCU and a CPLD, wherein the MCU is connected with the upper computer through a communication interface and is used for taking real-time temperature data and setting temperature in the refrigeration appliance, carrying out data calculation and issuing an instruction to the CPLD according to a data calculation result, the CPLD is used for generating a pulse instruction and a control signal to a servo driver according to the instruction issued by the MCU, the servo driver is used for controlling the operation of the servo motors, and the servo drivers are matched with the servo motors one by one.
Furthermore, the communication interface between the MCU of the main control board and the upper computer is an Ethernet communication interface and/or a 485 communication interface.
Furthermore, the adjusting device also comprises a base, an X-direction sliding platform and a Z-direction sliding platform;
the X-direction sliding platform and the base form a pair of moving pairs which relatively move along the X direction and are used for adjusting the position of the X-direction sliding platform along the X direction;
the Z-direction sliding platform and the X-direction sliding platform are communicated with a pair of sliding pairs which relatively move along the Z direction and are used for adjusting the position of the Z-direction sliding platform along the Z direction, and the X direction is vertical to the Z direction;
and the servo motor and the speed reducer of the rotary clamping part are both fixed on the Z-direction sliding platform, and the central axis direction of the output shaft of the speed reducer is parallel to the X direction.
Furthermore, the base is specifically a linear module sliding table which comprises a sliding table body, a sliding block, a motor and a transmission mechanism, the motor drives the sliding block to move along the X direction through the transmission mechanism, and the position of the sliding block is locked through self-locking of the motor; the X-direction sliding platform is fixed on the sliding block.
Further, the transmission mechanism of the linear module sliding table is a belt transmission mechanism or a screw transmission mechanism.
Furthermore, the X-direction sliding platform comprises a connecting frame and an upright column, the length direction of the upright column is Z direction, the connecting frame comprises a transverse support plate, a longitudinal support plate and a triangular rib plate which are integrally welded, the transverse support plate and the longitudinal support plate are mutually perpendicular and arranged in an L shape, and the triangular rib plate is simultaneously connected with the transverse support plate and the longitudinal support plate; the upright posts are fixed on the longitudinal support plate, and the transverse support plate and the base form a pair of moving pairs which move oppositely along the X direction.
Furthermore, the upright column is an aluminum alloy section, the Z-direction sliding platform comprises a cantilever rod, the cantilever rod is an aluminum alloy section, the cantilever rod is fixedly connected with the upright column through a T-shaped connecting piece, an aluminum alloy section built-in connecting piece and a screw, and the screw on the upright column is an adjusting screw; when the height of the Z-direction sliding platform needs to be adjusted, the adjusting screw is unscrewed, the height of the sliding platform is adjusted along the Z direction, and after the height is adjusted, the adjusting screw is screwed down; in the adjusting process, the built-in connecting piece of the aluminum alloy section is matched with the corresponding groove on the upright post to be used as a guide structure.
Further, the mechanical rotary clamp of the rotary clamping part comprises a clamp base and a rubber clamping head which are integrally connected, the clamp base is fixed on an output shaft of the speed reducer, and an extension spring is connected between the two clamping jaws of the rubber clamping head.
Furthermore, the device also comprises an installation base, wherein the length direction of the installation base is Y direction, and the X direction, the Y direction and the Z direction are vertical to each other; the installation base is fixed on the ground and used for fixedly installing the N adjusting devices, and the N adjusting devices are arranged along the Y direction.
The invention can achieve the following beneficial effects:
(1) the temperature control knob of the mechanical rotary clamp clamping refrigeration appliance is driven by the main control board to rotate to a given position through remote operation, the current situation that temperature setting needs manual long-time monitoring and intervention and the test temperature and humidity field environment is damaged due to the fact that testing personnel frequently enter and exit a laboratory is changed, the labor intensity of workers is reduced, and the test efficiency is improved.
(2) The rotary displacement angle of the temperature control knob is obtained through feedback calculation according to real-time temperature data and set temperature through the main control board, and the accuracy of test data is greatly improved.
Drawings
FIG. 1 is a front view of an adjustment device in an embodiment of the invention;
FIG. 2 is a schematic view of a rotary clamping portion according to an embodiment of the present invention;
FIG. 3 is a perspective view of an adjustment device in an embodiment of the present invention;
FIG. 4 is a perspective view II of an adjustment device in an embodiment of the present invention;
FIG. 5 is a schematic view of an aluminum alloy profile built-in connector in an embodiment of the invention;
FIG. 6 is a schematic view of the arrangement of a plurality of adjustment devices on a mounting base in an embodiment of the invention;
FIG. 7 is a block diagram showing the construction of a control system in the embodiment of the present invention;
in the figure: 1-a base, 101-a sliding table body and 102-a sliding block; 2-X direction sliding platform, 201-horizontal plate, 202-longitudinal plate, 203-triangular rib plate, 204-upright post; 3-Z-direction sliding platform, 301-cantilever rod, 302-T-shaped connecting piece, 303-adjusting screw, 304-aluminum alloy section bar built-in connecting piece, 4-rotary clamping part, 401-servo motor, 402-speed reducer, 403-clamp base, 404-extension spring and 405-rubber clamping head; and 5, mounting a base.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
The present embodiment is applicable to refrigeration appliances in which the temperature control knob is located externally, and according to the knowledge of those skilled in the art, the temperature control knob of a commercial refrigeration appliance (e.g., a refrigerator) is generally located externally to the refrigeration appliance.
An automatic regulating system of a temperature controller of a refrigeration device comprises 3 regulating devices fixed on a mounting base 5, wherein the mounting base 5 is fixed on a foundation, the length direction of the mounting base 5 is Y direction, the 3 regulating devices are arranged at intervals along the Y direction, and the X direction, the Y direction and the Z direction are vertical to each other two by two; the mounting base 5 is specifically an aluminum alloy section, and the position of the adjusting device on the mounting base 5 can be adjusted by adjusting the connecting structure; the connecting structure of the mounting base 5 and the adjusting device is as follows: the aluminum alloy section bar built-in connecting piece that can lead is connected through angle aluminum connecting piece, screw, loosens the screw with the position of adjustment device, screws up so that adjustment device fixes on installation base 5.
The adjusting device comprises a base 1, an X-direction sliding platform 2, a Z-direction sliding platform 3 and a rotary clamping part 4.
The base 1 is specifically a linear module sliding table, the linear module sliding table includes a sliding table body 101, a sliding block 102, a motor and a transmission mechanism, the transmission mechanism is a belt transmission mechanism, and of course, a person skilled in the art can select the transmission mechanism as a linear module sliding table of a screw transmission mechanism under the guidance of this embodiment; the motor drives the sliding block 102 to move along the X direction through the transmission mechanism, and the position of the sliding block 102 is locked through self-locking of the motor.
The X-direction sliding platform 2 comprises a connecting frame and an upright column 204, the upright column 204 is an aluminum alloy section, the length direction of the upright column 204 is the Z direction, the connecting frame comprises a transverse support plate 201, a longitudinal support plate 202 and a triangular rib plate 203 which are integrally welded, the transverse support plate 201 and the longitudinal support plate 202 are mutually perpendicular and arranged in an L shape, and the triangular rib plate 203 is simultaneously connected with the transverse support plate 201 and the longitudinal support plate 202; the column 204 is fixed to the longitudinal support plate 202, and the lateral support plate 201 is fixed to the slider 102, so that the X-direction sliding platform 2 and the base 1 form a pair of moving pairs which move relatively in the X-direction.
The Z-direction sliding platform 3 comprises a cantilever rod 301, the length direction of the cantilever rod 301 is the X direction, the cantilever rod 301 is an aluminum alloy section, the cantilever rod 301 is fixedly connected with the upright column 204 through a T-shaped connecting piece 302, an aluminum alloy section built-in connecting piece 304 and a screw, and the screw on the upright column 204 is an adjusting screw 303; when the height of the Z-direction sliding platform 3 needs to be adjusted, the adjusting screw 303 is loosened, the height of the sliding platform is adjusted along the Z direction, and the Z-direction sliding platform 3 and the X-direction sliding platform 2 are communicated with a pair of sliding pairs which move relatively along the Z direction; after the height is adjusted, the adjusting screw 303 is screwed down; during the adjustment process, the aluminum alloy profile built-in connecting piece 304 is matched with the corresponding groove on the upright column 204 to be used as a guide structure, and the structure of the aluminum alloy profile built-in connecting piece 304 is shown in fig. 5.
The rotary clamping part 4 comprises a servo motor 401, a speed reducer 402 and a mechanical rotary clamp, wherein the servo motor 401 is connected with the speed reducer 402, and the two are fixed on the cantilever rod 301; the mechanical rotary clamp comprises a clamp base 403 and a rubber clamping head 405 which are integrally connected, wherein the clamp base 403 is fixed on an output shaft of the speed reducer 402 through a coupler, and the rubber clamping head 405 is used for clamping a temperature control knob of a refrigeration appliance; the rotation center axis of the rubber clamp head 405 is coaxial with the output shaft of the speed reducer 402, and the center axis direction of the output shaft of the speed reducer 402 is parallel to the X direction; in order to better clamp the temperature control knob of the refrigeration appliance, an extension spring 404 is connected between two jaws of the rubber clamping head 405; the tension spring 404 is in a return state in an unclamped state, and when the rubber clamping head 405 is pulled away, the tension spring 404 generates a tensile force due to the tension to clamp the temperature control knob.
The positions of the adjusting device on the mounting base 5 are adjusted, and the positions of the X-direction sliding platform 2 and the Z-direction sliding platform 3 of the adjusting device are adjusted so that the adjusting device can be suitable for temperature control knobs of refrigeration appliances at different positions.
The system also comprises a human-computer interaction interface, a main control board and a servo driver, as shown in figure 7.
The human-computer interaction interface is connected with the main control board or the upper computer, the human-computer interaction interface is used for inputting set temperature, and the upper computer is used for collecting and storing real-time temperature data in the refrigeration appliance.
The main control board comprises an MCU and a CPLD, the MCU is connected with the upper computer through a communication interface and is used for calling real-time temperature data and set temperature of the refrigeration appliance, performing data calculation through a feedback algorithm and issuing an instruction to the CPLD according to a data calculation result, the CPLD is used for generating a pulse instruction and a control signal to a servo driver according to the instruction issued by the MCU, the servo driver is used for controlling the operation of the servo motor 401, and the servo driver is matched with the servo motor 401 one by one; the communication interfaces of the MCU of the main control board and the upper computer are an Ethernet communication interface and a 485 communication interface.
The working principle of the embodiment is as follows:
1) automatic temperature control adjusting function
Acquiring real-time temperature data inside the refrigeration appliance through an original test program in an upper computer of a laboratory;
setting the temperature through a human-computer interaction interface;
the main control board can read the real-time temperature data collected by the main control board from the upper computer through a wired network or a wireless network;
the main control board MCU compares the acquired real-time temperature data with a set temperature after mathematical processing, and calculates the angle displacement of the temperature control knob of the refrigeration appliance through a feedback algorithm;
the MCU issues a control instruction to the CPLD, and the CPLD outputs a corresponding pulse signal and a control signal to the servo driver after processing the control instruction; and finally, the servo driver drives the servo motor to drive the mechanical rotary clamp to clamp the temperature control knob of the refrigeration appliance to rotate to a given position.
Because the internal temperature model of the refrigeration appliance is a large hysteresis link, the time constant is large, and the communication delay hardly influences the temperature feedback control effect.
2) Remote control temperature controller function
The main control board of this system accessible ethernet or wireless local area network communicate with the host computer, and the tester can directly give the control by temperature change knob rotary displacement volume at host computer end, and the tester need not to get into the laboratory and realizes the remote control to the temperature controller.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a refrigeration utensil temperature controller automatic regulating system which characterized by: comprises N adjusting devices, wherein N is more than or equal to 1; the adjusting device comprises a rotary clamping part (4), the rotary clamping part (4) comprises a servo motor (401), a speed reducer (402) and a mechanical rotary clamp, the servo motor (401) is connected with the speed reducer (402), the mechanical rotary clamp is coaxially fixed with an output shaft of the speed reducer (402), and the mechanical rotary clamp is used for clamping a temperature control knob of a refrigeration appliance;
the system also comprises a human-computer interaction interface, a main control board and a servo driver, wherein the human-computer interaction interface is connected with the main control board or an upper computer, the human-computer interaction interface is used for inputting set temperature, and the upper computer is used for collecting and storing real-time temperature data of the refrigeration appliance; the main control board comprises an MCU and a CPLD, wherein the MCU is connected with an upper computer through a communication interface and is used for taking real-time temperature data and setting temperature in the refrigeration appliance, carrying out data calculation and issuing an instruction to the CPLD according to a data calculation result, the CPLD is used for generating a pulse instruction and a control signal to a servo driver according to the instruction issued by the MCU, the servo driver is used for controlling the operation of the servo motor (401), and the servo driver is matched with the servo motor (401) one by one.
2. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 1, characterized in that: and the communication interface between the MCU of the main control board and the upper computer is an Ethernet communication interface and/or a 485 communication interface.
3. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 1, characterized in that: the adjusting device also comprises a base (1), an X-direction sliding platform (2) and a Z-direction sliding platform (3);
the X-direction sliding platform (2) and the base (1) form a pair of moving pairs which relatively move along the X direction and are used for adjusting the position of the X-direction sliding platform (2) along the X direction;
the Z-direction sliding platform (3) and the X-direction sliding platform (2) are communicated with a pair of moving pairs which relatively move along the Z direction and are used for adjusting the position of the Z-direction sliding platform (3) along the Z direction, and the X direction is vertical to the Z direction;
the servo motor (401) and the speed reducer (402) of the rotary clamping part (4) are both fixed on the Z-direction sliding platform (3), and the central axis direction of the output shaft of the speed reducer (402) is parallel to the X direction.
4. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 3, characterized in that: the base (1) is specifically a linear module sliding table which comprises a sliding table body (101), a sliding block (102), a motor and a transmission mechanism, wherein the motor drives the sliding block (102) to move along the X direction through the transmission mechanism, and the position of the sliding block (102) is locked through self-locking of the motor; the X-direction sliding platform (2) is fixed on the sliding block (102).
5. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 4, characterized in that: the transmission mechanism of the linear module sliding table is a belt transmission mechanism or a screw transmission mechanism.
6. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 3, characterized in that: the X-direction sliding platform (2) comprises a connecting frame and an upright post (204), the length direction of the upright post (204) is Z direction, the connecting frame comprises a transverse support plate (201), a longitudinal support plate (202) and a triangular rib plate (203) which are integrally welded, the transverse support plate (201) and the longitudinal support plate (202) are mutually perpendicular and arranged in an L shape, and the triangular rib plate (203) is simultaneously connected with the transverse support plate (201) and the longitudinal support plate (202); the upright column (204) is fixed on the longitudinal support plate (202), and the transverse support plate (201) and the base (1) form a pair of moving pairs which move relatively along the X direction.
7. The automatic regulating system of the temperature controller of the refrigerator as claimed in claim 6, wherein: the upright post (204) is an aluminum alloy section, the Z-direction sliding platform (3) comprises a cantilever rod (301), the cantilever rod (301) is an aluminum alloy section, the cantilever rod (301) is fixedly connected with the upright post (204) through a T-shaped connecting piece (302), an aluminum alloy section built-in connecting piece (304) and a screw, and the screw on the upright post (204) is an adjusting screw (303); when the height of the Z-direction sliding platform (3) needs to be adjusted, the adjusting screw (303) is loosened, the height of the sliding platform is adjusted along the Z direction, and after the height is adjusted, the adjusting screw (303) is screwed down; during adjustment, the built-in connecting piece (304) of the aluminum alloy section is matched with the corresponding groove on the upright post (204) to be used as a guide structure.
8. The automatic regulating system of the temperature controller of the refrigeration appliance according to claim 1, characterized in that: the mechanical rotating clamp of the rotating clamping part (4) comprises a clamp base (403) and a rubber clamping head (405) which are integrally connected, the clamp base (403) is fixed on an output shaft of the speed reducer (402), and an extension spring (404) is connected between two clamping jaws of the rubber clamping head (405).
9. The automatic temperature controller regulating system for a refrigerator according to any one of claims 1 to 8, wherein: the mounting device also comprises a mounting base (5), the length direction of the mounting base (5) is Y direction, and the X direction, the Y direction and the Z direction are vertical to each other; the mounting base (5) is fixed on the foundation and used for fixedly mounting N adjusting devices, and the N adjusting devices are arranged along the Y direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821798.4U CN216080606U (en) | 2021-11-18 | 2021-11-18 | Automatic regulating system of temperature controller of refrigeration appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821798.4U CN216080606U (en) | 2021-11-18 | 2021-11-18 | Automatic regulating system of temperature controller of refrigeration appliance |
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| Publication Number | Publication Date |
|---|---|
| CN216080606U true CN216080606U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122821798.4U Active CN216080606U (en) | 2021-11-18 | 2021-11-18 | Automatic regulating system of temperature controller of refrigeration appliance |
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| CN (1) | CN216080606U (en) |
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2021
- 2021-11-18 CN CN202122821798.4U patent/CN216080606U/en active Active
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