CN108387247B - Digital display instrument - Google Patents
Digital display instrument Download PDFInfo
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- CN108387247B CN108387247B CN201810169503.XA CN201810169503A CN108387247B CN 108387247 B CN108387247 B CN 108387247B CN 201810169503 A CN201810169503 A CN 201810169503A CN 108387247 B CN108387247 B CN 108387247B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The invention discloses a novel digital display instrument, which structurally comprises a detector protection device, a first detector connecting port, a second detector connecting port, a power supply connecting port, a main machine body, a power supply button, a display screen outer frame, a display screen, a working state display lamp and a control button, wherein the detector protection device is arranged at the lower part of the main machine body and is fixedly connected with the shell of the main machine body through a bolt, the first detector connecting port and the second detector connecting port are arranged at the front part of the detector protection device, so that the temperature of a substance to be detected is effectively prevented from being in a range exceeding the temperature of a precise detection head due to severe temperature change, the use safety and reliability of equipment are improved, and the use and the service life of the equipment are effectively prolonged.
Description
Technical Field
The invention relates to a digital display instrument, belonging to the field of electronic instruments.
Background
The display instrument is an industrial automation instrument for displaying measured values. Generally, the detected quantity sent by the sensors of temperature, pressure, flow, level and mechanical quantity is indicated by a pointer or a number. The display modes include a pointer, a recording pen, a printing and display screen and the like. The display instrument comprises an indicating instrument and a recording instrument, and is commonly called a secondary instrument in the industrial automation industry. The display instrument is suitable for measuring and controlling various physical quantities such as temperature, pressure, liquid level, speed, length and the like. The microprocessor is used for mathematical operation, and high-precision linear correction can be performed on various nonlinear signals. The display instrument generally indicates the detected quantity sent from the sensors such as temperature, pressure, flow rate, level and mechanical quantity by a pointer or a number. The function of converting various information from a meter or other device into visual scale readings, numbers, curves, and various symbol patterns is called display. The basic principle of a display instrument is rather similar to writing and drawing on paper by a pen. The 'pen' adopted in the instrument has various forms such as a mechanical pen needle, an electron beam, a laser beam and the like; the paper includes common recording paper, fluorescent screen, optical plastic, liquid crystal screen, plasma screen, etc. The display instrument can control the movement of the pen according to the input information of various variables, and draw a visible form of the process variable on the paper to represent the size or state of the input information.
However, when the temperature exceeds the range of the detection unit during operation of the existing device, the detection accuracy of the device may be reduced, and the detection device may be damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a digital display instrument to solve the problem that when the temperature exceeds the measuring range of a detection unit, the detection precision of the equipment is possibly reduced, and even the detection equipment is damaged when the existing equipment works.
In order to achieve the purpose, the invention is realized by the following technical scheme: a digital display instrument structurally comprises a detector protection device, a first detector connecting port, a second detector connecting port, a power supply connecting port, a main machine body, a power supply button, a display screen outer frame, a display screen, a working state display lamp and a control button, wherein the detector protection device is arranged on the lower portion of the main machine body and fixedly connected with a shell of the main machine body through bolts, the first detector connecting port and the second detector connecting port are arranged on the front portion of the detector protection device and fixedly arranged on the front portion of the detector protection device through bolts, the diameters of the first detector connecting port and the second detector connecting port are 1-3cm, the interiors of the first detector connecting port and the second detector connecting port are communicated through connecting pipes, the lower part of the right part of the main machine body is provided with a power supply connector, the power supply connector is connected with an internal power utilization control IC through a power supply connecting wire, the upper part of the main machine body is provided with a control panel, the upper part of the main machine body is fixedly provided with a power supply button, the left part of the power supply button is provided with a control button, the upper part of the control button is provided with a display screen, the display screen is fixedly connected with the main machine body through a display screen outer frame, a working state display lamp is arranged below the display screen outer frame, the working state display lamps are totally 4, the working state display lamps are respectively working, power supply, standby and fault indicator lamps, the working state display lamps are in a line structure, the control buttons are in a matrix structure of 3 lines and 3 columns, the control buttons are totally provided with 9 functional buttons made of rubber materials, and the power supply button is connected with the power supply connector, the power button is connected with the power consumption control IC through a signal connecting wire, the display screen is fixedly connected with the main machine body through a display screen outer frame, the detector protection device comprises a temperature standard exceeding alarm loudspeaker, a temperature control detection connecting pipe, a high-precision temperature detection head contact control device, an alarm work control device, a middle transmission device, a front end transmission device, an elementary temperature detection device and a detector protection device shell, the detector protection device shell is of a cuboid structure, the lower part of the detector protection device shell is provided with 2 openings which are connected with a first detector connecting port and a second detector connecting port, the first detector connecting port and the second detector connecting port are both fixed with the temperature control detection connecting pipe through a connecting flange, and the upper part of the temperature control detection connecting pipe is provided with the high-precision temperature detection head contact control device, the power input end of the high-precision temperature detection head contact control device is connected with the middle transmission device, the middle output end of the middle transmission device is connected with the alarm work control device, the power supply connecting wire of the alarm work control device is connected with the alarm loudspeaker with the standard exceeding temperature, the alarm loudspeaker with the standard exceeding temperature is fixed in the detector protection device shell through bolts, all parts of the middle transmission device are fixedly connected with the detector protection device shell through bolts, the middle transmission device is connected with the front end transmission device, and the front end transmission device is movably connected with the output end of the primary temperature detection device.
Further, high accuracy temperature detection head contact control device includes that temperature detects first motion support, temperature detection head work control reset spring, high accuracy temperature base of a fruit detection head, contact control fixed pulley, contact control connecting wire, temperature detection contact control transmission lever, input transfer line, lever connecting wire receive line roller, drive gear, temperature detection head motion support passes through welded fastening and establishes in the top that temperature control detected the connecting pipe, the below of temperature detection head motion support is equipped with high accuracy temperature base of a fruit detection head, high accuracy temperature base of a fruit detection head passes through temperature detection head work control reset spring and temperature detection head motion support swing joint, the upper portion and the contact control connecting wire of high accuracy temperature base of a fruit detection head are connected, the contact control connecting wire cooperates with the contact control fixed pulley.
Further, the contact control fixed pulley is fixedly connected with the temperature detection head movement support, the right end of the contact control connecting line is connected with the lower end of the temperature detection contact control transmission lever, the connecting line of the temperature detection contact control transmission lever is connected with the lever connecting line take-up roller, the lever connecting line take-up roller and the input transmission rod are of an integrated structure, and the input transmission rod is matched with the transmission gear.
Furthermore, the alarm work control device comprises a work control device support, a power supply contact slider, a power supply contact head, a power supply contact slider reset spring, a pulley block connecting line, a transmission pulley block and a power input pulley, wherein the power supply contact slider is arranged on the work control device support, the power supply contact slider reset spring is arranged at the bottom of the power supply contact slider, the power supply contact slider is matched with the power supply contact head, the power supply contact head is connected with the temperature standard exceeding alarm through the power supply connecting line, the power supply contact slider is connected with the pulley block connecting line, the pulley block connecting line is connected with the transmission pulley block, and the transmission pulley block is matched with the power input pulley block.
Further, middle part transmission includes transmission input gear, transfer line support, transfer line main part, rolling connection roller, lower part drive gear, output connection ratch, electric putter, fixed power contact, middle part power swing joint head, transmission input gear and the cooperation of output connection ratch, output connection ratch and electric putter's output lever fixed connection, electric putter's power cord and fixed power contact are connected, fixed power contact cooperates with the middle part power swing joint head of below.
Further, the transmission input gear is fixedly connected with the transmission rod main body, the transmission rod main body is connected with the transmission rod support through a bearing, 2 groups of transmission rod supports are arranged on the transmission rod support, the transmission rod support is fixedly connected with the support frame, the middle of the transmission rod main body is provided with the winding connection roller, and the bottom of the transmission rod main body is fixedly connected with the lower transmission gear.
Furthermore, the front end transmission device comprises a middle movable connecting rod, a transmission gear disc, a sliding block, a lower lever output movable connecting rod and a front transmission lever, the middle movable connecting rod is movably connected with the transmission gear disc, the transmission gear disc is meshed with the sliding block, and the lower part of the sliding block is connected with the front transmission lever through the lower lever output movable connecting rod.
Further, elementary temperature-detecting device includes heat conduction bottom plate, temperature detection storehouse shell, heat-sensitive working medium, output backup pad, output connecting rod, the outside and the processing case interference of heat conduction bottom plate laminate, use liquid metal to carry out the heat conduction between heat conduction bottom plate and the processing case, use silica gel to encapsulate, heat conduction bottom plate and temperature detection storehouse shell structure as an organic whole, the temperature detection storehouse shell is cylindrical structure, the inside of temperature detection storehouse shell is equipped with the output backup pad, the inside of temperature detection storehouse shell, output backup pad is equipped with heat-sensitive working medium, the volume coefficient of change is 5%/K under the normal condition of heat-sensitive working medium, the outside and the output connecting rod fixed connection of output backup pad.
Advantageous effects
The invention provides a scheme of a digital display instrument, which is provided with a detector protection device, when the equipment is normally used, a first detector connecting port and a second detector connecting port are connected with a water inlet pipe, a water outlet pipe or a gas inlet pipe, then the temperature in the current connecting pipe can be monitored in time, the temperature of a substance to be detected is transmitted to a heat sensitive working medium from a heat conducting bottom plate, then the heated volume of the heat sensitive working medium is changed to drive an output supporting plate and an output connecting rod to move horizontally, thereby driving a front transmission lever to rotate, then the upper part of the front transmission lever drives a lower lever to output a movable connecting rod to move, the lower lever outputs the movable connecting rod to drive a sliding block to slide, the sliding block can drive a transmission gear disc to rotate, when the transmission gear disc rotates, the middle movable connecting rod can be driven to move upwards, the middle movable connecting rod, the power supply is connected, the electric push rod starts to work and pushes the output connecting rack bar to the right, the transmission input gear, the transmission rod main body, the winding connecting roller and the lower transmission gear start to synchronously rotate, the winding connecting roller drives the transmission pulley block and the power input pulley to rotate, the transmission pulley block and the power input pulley drive the pulley block connecting line to move upwards when rotating, so as to drive the power supply contact sliding block and the power supply contact head to contact, the power supply of the alarm is connected, the temperature over-standard alarm loudspeaker starts to work, the lower transmission gear drives the input transmission rod, the lever connecting line winding roller and the transmission gear to rotate, so as to drive the temperature detection contact control transmission lever to rotate, the high-precision temperature pedicle detection head is driven to move upwards through the contact control connecting line, and the temperature of the substance to be detected is effectively prevented from changing violently, the safety and the reliability of the use of the equipment are improved, and the use and the service life of the equipment are effectively prolonged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a digital display instrument according to the present invention.
Fig. 2 is a schematic structural diagram of a detector protection device of the present invention.
Fig. 3 is a detailed structural diagram of the detector protection device of the present invention.
Fig. 4 is a diagram of the working state of the detector protection device of the present invention.
In the figure: a detector protection device-1, a first detector connector-2, a second detector connector-3, a power supply connector-4, a main machine body-5, a power supply button-6, a display screen outer frame-7, a display screen-8, a working state display lamp-9, a control button-10, a temperature exceeding alarm loudspeaker-11, a temperature control detection connecting pipe-12, a high-precision temperature detection head contact control device-13, an alarm working control device-14, a middle transmission device-15, a front end transmission device-16, a primary temperature detection device-17, a detector protection device shell-18, a temperature detection head motion support-131, a temperature detection head working control reset spring-132, a high-precision temperature base detection head-133, a temperature base detection device-11, a temperature control detection device shell-18, a temperature detection head motion support-131, a temperature detection, A touch control making pulley-134, a contact control connecting wire-135, a temperature detection contact control transmission lever-136, an input transmission rod-137, a lever connecting wire take-up roller-138, a transmission gear-139, a work control device bracket-141, a power supply contact slider-142, a power supply contact head-143, a power supply contact slider reset spring-144, a pulley block connecting wire-145, a transmission pulley block-146, a power input pulley-147, a transmission input gear-151, a transmission rod bracket-152, a transmission rod main body-153, a take-up connecting roller-154, a lower transmission gear-155, an output connecting toothed bar-156, an electric push rod-157, a fixed power supply contact head-158, a middle power supply movable connector-159, a middle movable connecting rod-161, a temperature detection contact control transmission lever-, A transmission gear disc-162, a slide block-163, a lower lever output movable connecting rod-164, a front transmission lever-165, a heat conduction bottom plate-171, a temperature detection bin shell-172, a heat-sensitive working medium-173, an output supporting plate-174 and an output connecting rod-175.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides a digital display instrument scheme: the structure of the device comprises a detector protection device 1, a first detector connecting port 2, a second detector connecting port 3, a power supply connecting port 4, a main machine body 5, a power supply button 6, a display screen outer frame 7, a display screen 8, a working state display lamp 9 and a control button 10, wherein the detector protection device 1 is arranged at the lower part of the main machine body 5, the detector protection device 1 is fixedly connected with the shell of the main machine body 5 through bolts, the front part of the detector protection device 1 is provided with the first detector connecting port 2 and the second detector connecting port 3, the first detector connecting port 2 and the second detector connecting port 3 are fixed at the front part of the detector protection device 1 through bolts, the diameters of the first detector connecting port 2 and the second detector connecting port 3 are 1-3cm, the interiors of the first detector connecting port 2 and the second detector connecting port 3 are communicated through a connecting pipe, a power supply connector 4 is arranged at the lower part of the right part of the host machine body 5, the power supply connector 4 is connected with an internal power utilization control IC through a power supply connecting wire, a control panel is arranged at the upper part of the host machine body 5, a power supply button 6 is fixedly arranged at the upper part of the host machine body 5, a control button 10 is arranged at the left part of the power supply button 6, a display screen 8 is arranged at the upper part of the control button 10, the display screen 8 is fixedly connected with the host machine body 5 through a display screen outer frame 7, a working state display lamp 9 is arranged below the display screen outer frame 7, 4 working state display lamps 9 are arranged in total, the working state display lamps 9 are respectively a working, power supply, standby and fault indicator lamp, the working state display lamp 9 is of a line structure, the control button 10 is of a matrix structure with 3 lines and 3 columns, and 9 functional buttons made of rubber materials are arranged on the control button 10 in total, the power button 6 is connected with the power connection interface 4 through a power connection line, the power button 6 is connected with the power utilization control IC through a signal connection line, and the display screen 8 is fixedly connected with the main body 5 through a display screen outer frame 7; the detector protection device 1 comprises a temperature standard exceeding alarm loudspeaker 11, a temperature control detection connecting pipe 12, a high-precision temperature detection head contact control device 13, an alarm work control device 14, a middle transmission device 15, a front end transmission device 16, a primary temperature detection device 17 and a detector protection device shell 18, wherein the detector protection device shell 18 is of a cuboid structure, the lower part of the detector protection device shell 18 is provided with 2 openings which are connected with a first detector connecting port 2 and a second detector connecting port 3, the first detector connecting port 2 and the second detector connecting port 3 are both fixed with the temperature control detection connecting pipe 12 through connecting flanges, the upper part of the temperature control detection connecting pipe 12 is provided with a high-precision temperature detection head contact control device 13, and the power input end of the high-precision temperature detection head contact control device 13 is connected with the middle transmission device 15, the middle output end of the middle transmission device 15 is connected with the alarm work control device 14, the power connection line of the alarm work control device 14 is connected with the alarm loudspeaker 11 with the exceeding temperature, the alarm loudspeaker 11 with the exceeding temperature is fixed in the detector protection device shell 18 through a bolt, each component of the middle transmission device 15 is fixedly connected with the detector protection device shell 18 through a bolt, the middle transmission device 15 is connected with the front end transmission device 16, the front end transmission device 16 is movably connected with the output end of the primary temperature detection device 17, the high-precision temperature detection head contact control device 13 comprises a temperature detection head motion support 131, a temperature detection head work control reset spring 132, a high-precision temperature detection head 133, a contact control fixed pulley 134, a contact control connection line 135, a temperature detection contact control transmission lever 136, Input drive rod 137, lever connecting line receive line roller 138, drive gear 139, temperature detection head motion support 131 establishes the top at temperature control detection connecting pipe 12 through welded fastening, the below of temperature detection head motion support 131 is equipped with high accuracy temperature base detection head 133, high accuracy temperature base detection head 133 passes through temperature detection head work control reset spring 132 and temperature detection head motion support 131 swing joint, the upper portion and the contact control connecting line 135 of high accuracy temperature base detection head 133 are connected, contact control connecting line 135 and contact control fixed pulley 134 cooperation, connect touch control fixed pulley 134 and temperature detection head motion support 131 fixed connection, the right-hand member and the lower extreme of temperature detection contact control drive lever 136 of contact control connecting line 135 are connected, the connecting line and the lever connecting line receive line roller 138 of temperature detection contact control drive lever 136 are connected, the lever connecting wire take-up roller 138 and the input transmission rod 137 are of an integrated structure, the input transmission rod 137 is matched with the transmission gear 139, the alarm work control device 14 comprises a work control device support 141, a power supply contact slider 142, a power supply contact head 143, a power supply contact slider reset spring 144, a pulley block connecting wire 145, a transmission pulley block 146 and a power input pulley 147, the work control device support 141 is provided with the power supply contact slider 142, the bottom of the power supply contact slider 142 is provided with the power supply contact slider reset spring 144, the power supply contact slider 142 is matched with the power supply contact head 143, the power supply contact head 143 is connected with the temperature exceeding alarm loudspeaker 11 through the power supply connecting wire, the power supply contact slider 142 is connected with the pulley block connecting wire 145, and the pulley block connecting wire 145 is connected with the transmission pulley block 146, the transmission pulley block 146 is matched with the power input pulley 147, the middle transmission device 15 comprises a transmission input gear 151, a transmission rod bracket 152, a transmission rod main body 153, a winding connection roller 154, a lower transmission gear 155, an output connection toothed bar 156, an electric push rod 157, a fixed power contact 158 and a middle power movable connector 159, the transmission input gear 151 is matched with the output connection toothed bar 156, the output connection toothed bar 156 is fixedly connected with an output bar of the electric push rod 157, a power line of the electric push rod 157 is connected with the fixed power contact 158, the fixed power contact 158 is matched with the middle power movable connector 159 below, the transmission input gear 151 is fixedly connected with the transmission rod main body 153, the transmission rod main body 153 is connected with the transmission rod bracket 152 through a bearing, and the transmission rod bracket 152 is provided with 2 groups in total, the transmission rod bracket 152 is fixedly connected with the supporting frame, the middle part of the transmission rod main body 153 is provided with a winding connection roller 154, the bottom of the transmission rod main body 153 is fixedly connected with a lower transmission gear 155, the front end transmission device 16 comprises a middle movable connecting rod 161, a transmission gear disc 162, a sliding block 163, a lower lever output movable connecting rod 164 and a front transmission lever 165, the middle movable connecting rod 161 is movably connected with the transmission gear disc 162, the transmission gear disc 162 is meshed with the sliding block 163, the lower part of the sliding block 163 is connected with the front transmission lever 165 through the lower lever output movable connecting rod 164, the primary temperature detection device 17 comprises a heat conduction bottom plate 171, a temperature detection bin shell 172, a heat sensitive working medium 173, an output support plate 174 and an output connecting rod 175, the outer part of the heat conduction bottom plate 171 is in interference fit with the processing box, and liquid metal is used for heat conduction between the heat conduction bottom, the silica gel is used for packaging, the heat conduction bottom plate 171 and the temperature detection bin shell 172 are of an integrated structure, the temperature detection bin shell 172 is of a cylindrical structure, an output supporting plate 174 is arranged inside the temperature detection bin shell 172, a thermosensitive working medium 173 is arranged inside the temperature detection bin shell 172 and the output supporting plate 174, the volume change coefficient of the thermosensitive working medium 173 under a normal condition is 5%/K, and the outer part of the output supporting plate 174 is fixedly connected with an output connecting rod 175.
The display instrument described in this patent is an industrial automation instrument for displaying a measured value. Generally, the detected quantity from the sensors such as temperature, pressure, flow rate, level and mechanical quantity is indicated by a pointer or a number. The display modes include a pointer, a recording pen, a printing and display screen and the like. The display instrument comprises an indicating instrument and a recording instrument, and is commonly called a secondary instrument in the industrial automation industry. The display instrument is suitable for measuring and controlling various physical quantities such as temperature, pressure, liquid level, speed, length and the like. The micro-processor is used for mathematical operation, and high-precision linear correction can be performed on various nonlinear signals.
When the device is used, whether all parts are stably connected or not is checked, the device is placed at a proper position after the device is confirmed to be intact, a power supply is connected, the working state and working parameters are adjusted, and then normal work can be started, the detector protection device 1 is arranged, when the device is used normally, the first detector connecting port 2 and the second detector connecting port 3 are connected with a water inlet pipe or a water outlet pipe or a gas inlet pipe, the temperature in the current connecting pipe can be monitored timely, the temperature of a substance to be detected is transmitted to a heat-sensitive working medium 173 from the heat-conducting bottom plate 171, then the heat-sensitive working medium 173 is heated, the heated volume changes to drive the output supporting plate 174 and the output connecting rod 175 to move horizontally, so that the front transmission lever 165 is driven to rotate, then the upper part of the front transmission lever 165 drives the lower lever to output movable connecting rod 164, the sliding block 163 can drive the transmission gear disc 162 to rotate when sliding, when the transmission gear disc 162 rotates, the middle movable connecting rod 161 can be driven to move upwards, the middle movable connecting rod 161 pushes the middle power movable connector 159 to contact with the fixed power contact 158 to connect the power supply, the electric push rod 157 starts to work and pushes the output connecting gear 156 to the right, the transmission input gear 151, the transmission rod main body 153, the rolling connection roller 154 and the lower transmission gear 155 start to rotate synchronously, the rolling connection roller 154 drives the transmission pulley block 146 and the power input pulley 147 to rotate, the transmission pulley block 146 and the power input pulley 147 drive the pulley block connecting wire 145 to move upwards when rotating, thereby driving the power contact sliding block 142 and the power contact 143 to contact with each other to connect the power supply of the alarm, the temperature exceeding alarm loudspeaker 11 starts to work, and the lower transmission gear 155 drives the input transmission rod 137, The lever connecting wire take-up roller 138 and the transmission gear 139 rotate, so that the temperature detection contact control transmission lever 136 is driven to rotate, the high-precision thermo-pedicel detection head 133 is driven to move upwards through the contact control connecting wire 135, the temperature is effectively prevented from exceeding the temperature range of the precision detection head due to the severe temperature change of a substance to be detected, the use safety and reliability of the equipment are improved, and the use and the service life of the equipment are effectively prolonged.
The invention solves the problem that when the temperature exceeds the measuring range of the detection unit, the detection precision of the equipment is reduced and the detection equipment is damaged, and the invention effectively prevents the temperature from exceeding the measuring range of the temperature of the precision detection head caused by the drastic change of the temperature of the substance to be detected through the mutual combination of the components, improves the use safety and reliability of the equipment, and effectively prolongs the use and the service life of the equipment.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be suitably combined to form other embodiments as will be apparent to those skilled in the art.
Claims (1)
1. The utility model provides a digital display instrument, its structure includes detector protection device (1), first detector connector (2), second detector connector (3), power connector (4), host computer body (5), power button (6), display screen frame (7), display screen (8), operating condition display lamp (9), control button (10), its characterized in that:
the detector protection device (1) is arranged at the lower part of the main machine body (5), the detector protection device (1) is fixedly connected with the shell of the main machine body (5) through a bolt, and a first detector connecting port (2) and a second detector connecting port (3) are arranged at the front part of the detector protection device (1);
the detector protection device (1) comprises a temperature standard exceeding alarm loudspeaker (11), a temperature control detection connecting pipe (12), a high-precision temperature detection head contact control device (13), an alarm work control device (14), a middle transmission device (15), a front end transmission device (16), a primary temperature detection device (17) and a detector protection device shell (18);
the detector protection device is characterized in that the first detector connecting port (2) and the second detector connecting port (3) are fixed in the front of the detector protection device (1) through bolts, the diameters of the first detector connecting port (2) and the second detector connecting port (3) are 1-3cm, the interiors of the first detector connecting port (2) and the second detector connecting port (3) are communicated through a temperature control detection connecting pipe (12), a power supply connecting port (4) is arranged at the lower part of the right part of the host machine body (5), a control panel is arranged at the upper part of the host machine body (5), a power supply button (6) is fixedly arranged at the upper part of the host machine body (5), a control button (10) is arranged at the left part of the power supply button (6), a display screen (8) is arranged at the upper part of the control button (10), and the display screen (8) is fixedly connected with the host machine body (5) through a, working state display lamps (9) are arranged below the display screen outer frame (7), 4 working state display lamps (9) are arranged, the working state display lamps (9) are respectively a working indicator lamp, a power supply indicator lamp, a standby indicator lamp and a fault indicator lamp, the working state display lamps (9) are of a line structure, the control buttons (10) are of a matrix structure with 3 lines and 3 columns, 9 functional buttons made of rubber are arranged on the control buttons (10), the power button (6) is connected with the power supply connector (4) through a power supply connecting wire, and the power button (6) is connected with the power utilization control IC through a signal connecting wire;
the detector protection device shell (18) is of a cuboid structure, the lower part of the detector protection device shell (18) is provided with 2 openings which are connected with a first detector connecting port (2) and a second detector connecting port (3), the first detector connecting port (2) and the second detector connecting port (3) are fixed with a temperature control detection connecting pipe (12) through connecting flanges, the upper part of the temperature control detection connecting pipe (12) is provided with a high-precision temperature detection head contact control device (13), the power input end of the high-precision temperature detection head contact control device (13) is connected with a middle transmission device (15), the middle output end of the middle transmission device (15) is connected with an alarm work control device (14), the power connecting wire of the alarm work control device (14) is connected with an alarm loudspeaker (11) with standard exceeding temperature, the temperature exceeding alarm loudspeaker (11) is fixed inside a detector protection device shell (18) through a bolt, the middle transmission device (15) is connected with the front end transmission device (16), and the front end transmission device (16) is movably connected with the output end of the primary temperature detection device (17);
the high-precision temperature detection head contact control device (13) comprises a temperature detection head movement support (131), a temperature detection head working control reset spring (132), a high-precision temperature detection head (133), a contact control fixed pulley (134), a contact control connecting line (135), a temperature detection contact control transmission lever (136), an input transmission rod (137), a lever connecting line take-up roller (138) and a transmission gear (139), wherein the temperature detection head movement support (131) is fixedly arranged above the temperature control detection connecting pipe (12) through welding, the high-precision temperature detection head (133) is arranged below the temperature detection head movement support (131), the high-precision temperature detection head (133) is movably connected with the temperature detection head movement support (131) through the temperature detection head working control reset spring (132), and the upper part of the high-precision temperature detection head (133) is connected with the contact control connecting line (135), the contact control connecting line (135) is matched with the contact control fixed pulley (134);
the contact control fixed pulley (134) is fixedly connected with the temperature detection head movement support (131), the right end of the contact control connecting line (135) is connected with the lower end of the temperature detection contact control transmission lever (136), the connecting line of the temperature detection contact control transmission lever (136) is connected with a lever connecting line take-up roller (138), the lever connecting line take-up roller (138) and the input transmission rod (137) are of an integrated structure, and the input transmission rod (137) is matched with the transmission gear (139);
the alarm work control device (14) comprises a work control device bracket (141), a power supply contact slide block (142), a power supply contact head (143), a power supply contact slide block return spring (144), a pulley block connecting line (145), a transmission pulley block (146) and a power input pulley (147), a power supply contact sliding block (142) is arranged on the work control device bracket (141), the bottom of the power supply contact sliding block (142) is provided with a power supply contact sliding block return spring (144), the power supply contact sliding block (142) is matched with the power supply contact head (143), the power supply contact head (143) is connected with the temperature exceeding alarm loudspeaker (11) through a power supply connecting wire, the power supply contact sliding block (142) is connected with a pulley block connecting line (145), the pulley block connecting line (145) is connected with a transmission pulley block (146), and the transmission pulley block (146) is matched with a power input pulley (147);
the middle transmission device (15) comprises a transmission input gear (151), a transmission rod support (152), a transmission rod main body (153), a winding connecting roller (154), a lower transmission gear (155), an output connecting toothed bar (156), an electric push rod (157), a fixed power supply contact head (158) and a middle power supply movable connector (159), wherein the transmission input gear (151) is matched with the output connecting toothed bar (156), the output connecting toothed bar (156) is fixedly connected with an output rod of the electric push rod (157), a power line of the electric push rod (157) is connected with the fixed power supply contact head (158), and the fixed power supply contact head (158) is matched with the middle power supply movable connector (159) below;
the transmission input gear (151) is fixedly connected with a transmission rod main body (153), the transmission rod main body (153) is connected with a transmission rod bracket (152) through a bearing, 2 groups of transmission rod brackets (152) are arranged together, the transmission rod bracket (152) is fixedly connected with a support frame, a winding connecting roller (154) is arranged in the middle of the transmission rod main body (153), and the bottom of the transmission rod main body (153) is fixedly connected with a lower transmission gear (155);
the front end transmission device (16) comprises a middle movable connecting rod (161), a transmission gear disc (162), a sliding block (163), a lower lever output movable connecting rod (164) and a front transmission lever (165), the middle movable connecting rod (161) is movably connected with the transmission gear disc (162), the transmission gear disc (162) is meshed with the sliding block (163), and the lower part of the sliding block (163) is connected with the front transmission lever (165) through the lower lever output movable connecting rod (164);
the primary temperature detection device (17) comprises a heat conduction bottom plate (171), a temperature detection bin shell (172), a thermosensitive working medium (173), an output support plate (174) and an output connection rod (175), wherein the heat conduction bottom plate (171) and the temperature detection bin shell (172) are of an integrated structure, the temperature detection bin shell (172) is of a cylindrical structure, the output support plate (174) is arranged inside the temperature detection bin shell (172), the thermosensitive working medium (173) is arranged inside the temperature detection bin shell (172) and the output support plate (174), the volume change coefficient of the thermosensitive working medium (173) is 5%/K under the normal condition, and the outer part of the output support plate (174) is fixedly connected with the output connection rod (175);
when in use, the first detector connecting port and the second detector connecting port are connected with a water inlet pipe or a water outlet pipe, then the temperature in the current temperature control detection connecting pipe is monitored in time, the temperature of a substance to be detected is transmitted to a thermosensitive working medium from a heat conducting bottom plate, then the heated volume of the thermosensitive working medium is changed to drive the output supporting plate and the output connecting rod to move horizontally, so as to drive the front transmission lever to rotate, then the upper part of the front transmission lever drives the lower lever to output a movable connecting rod to move, the lower lever outputs the movable connecting rod to drive the sliding block to slide, the sliding block drives the transmission gear disc to rotate when sliding, the middle movable connecting rod is driven to move upwards when the transmission gear disc rotates, the middle movable connecting rod pushes the middle power supply movable connector to be contacted with the fixed power supply contact head to communicate the power supply, the, the temperature alarm loudspeaker starts to work, the lower transmission gear drives the input transmission rod, the lever connecting line take-up roller and the transmission gear rotate, so that the temperature detection contact control transmission lever is driven to rotate, the high-precision temperature detection head is driven to move upwards through the contact control connecting line, and the temperature of a substance to be detected is effectively prevented from exceeding the temperature range of the high-precision temperature detection head due to severe temperature change.
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| CN201810169503.XA CN108387247B (en) | 2018-02-28 | 2018-02-28 | Digital display instrument |
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| CN201810169503.XA CN108387247B (en) | 2018-02-28 | 2018-02-28 | Digital display instrument |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088735U (en) * | 1991-04-05 | 1991-11-13 | 许太根 | Electric heating temp. controlling energy-saving switch |
| CN204324021U (en) * | 2014-12-12 | 2015-05-13 | 南通大学附属医院 | Lift take-put type rafraichometer receiver |
| CN105595792A (en) * | 2015-11-23 | 2016-05-25 | 日升五金制品（深圳）有限公司 | Electric heating cooking container with removable temperature control component and heating thermostatic control method thereof |
| CN106644166A (en) * | 2016-12-19 | 2017-05-10 | 天津市品通电力科技有限公司 | Two-path temperature measuring instrument based on magnetic coupling isolation |
-
2018
- 2018-02-28 CN CN201810169503.XA patent/CN108387247B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088735U (en) * | 1991-04-05 | 1991-11-13 | 许太根 | Electric heating temp. controlling energy-saving switch |
| CN204324021U (en) * | 2014-12-12 | 2015-05-13 | 南通大学附属医院 | Lift take-put type rafraichometer receiver |
| CN105595792A (en) * | 2015-11-23 | 2016-05-25 | 日升五金制品（深圳）有限公司 | Electric heating cooking container with removable temperature control component and heating thermostatic control method thereof |
| CN106644166A (en) * | 2016-12-19 | 2017-05-10 | 天津市品通电力科技有限公司 | Two-path temperature measuring instrument based on magnetic coupling isolation |
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Effective date of registration: 20210415 Address after: 271000 Taishan science, technology and Culture Industrial Park, Shanggao street, Taishan District, Tai'an City, Shandong Province Applicant after: Taian Sida Instrument Co.,Ltd. Address before: 410003 Department of Mechanical and Electrical Engineering, Changsha University, 98 Hongshan Road, Kaifu District, Changsha City, Hunan Province Applicant before: Zhou Yuanzhong |
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