CN212844085U - Portable temperature controller unit calibration equipment - Google Patents
Portable temperature controller unit calibration equipment Download PDFInfo
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- CN212844085U CN212844085U CN202022362152.XU CN202022362152U CN212844085U CN 212844085 U CN212844085 U CN 212844085U CN 202022362152 U CN202022362152 U CN 202022362152U CN 212844085 U CN212844085 U CN 212844085U
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- temperature
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- sensor
- temperature control
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- 238000012795 verification Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims description 16
- 238000005057 refrigeration Methods 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a portable temperature controller unit calibration equipment, include: the temperature control system is arranged in the box body and is connected with the temperature sensing probe; the sensor calibration system is arranged in the box body and is connected with the sensor to be tested; the controller checking system is arranged in the box body and is connected with the controller control panel; the display system is arranged outside the box body and is embedded with the box body; the temperature control system, the sensor verification system, the controller verification system and the display system are connected with the power supply module. The utility model discloses can realize the dual check-up of temperature sensor and controller, temperature control is quick, and the regulation and control scope is big, can export multiple model controller voltage, and the check-up commonality is strong, and the incasement constant temperature is effectual, and location trouble equipment is rapid, makes things convenient for equipment fortune dimension.
Description
Technical Field
The utility model relates to a transformer substation control cabinet technical field, concretely relates to portable temperature controller unit calibration equipment.
Background
The temperature controller unit mainly comprises a temperature sensor and a controller, and is usually installed in an equipment mechanism box, a control cubicle and a GIS equipment shell. The Xinjiang area is a typical temperate continental climate, the climate is dry, the temperature is between minus 30 ℃ and 45 ℃, and the day and night temperature changes greatly. When the temperature is low in winter, the temperature controller unit is usually matched with a heat tracing band to heat SF6 gas in GIS equipment, so that the arc extinguishing performance of the equipment is prevented from being reduced due to liquefaction of the SF6 gas. Snow melts in winter and spring season, and the water content increases in the air, and the easy moisture that produces of equipment mechanism case content if not in time utilizes temperature controller unit cooperation heating plate heating to drive damp, and the terminal is damped in the cabinet probably to the water vapor condensation drips, causes the short circuit risk, causes equipment maloperation or refuses to move, influences equipment steady operation.
At present, the running condition of temperature controller equipment in many transformer substation control cabinets is only detected by operation and maintenance personnel during inspection, whether the heating plate is put into and loop connection condition can only be observed during inspection, reliability of temperature controller running condition and heating plate action accuracy can not be inspected, the temperature controller needs to be dismantled to be detected after the temperature controller is assembled, the temperature controller is detected in a laboratory, time consuming lag and poor effect.
Common calibration equipment on the market is the calibration of single temperature sensor, and is less to the calibration equipment of controller, and the function is comparatively single, and calibration equipment that both functions have concurrently is bulky, carries inconveniently.
Therefore, the calibration work of the temperature controller unit is very important for the stable operation of equipment in the transformer substation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that above-mentioned prior art exists, the utility model provides a portable temperature controller unit calibration equipment, the utility model discloses on the basis of traditional temperature sensor check-up, the check-up of increase control ware can fix a position the fault point rapidly, and the cost is reduced increases, and the device is small, conveniently carries, adopts forced air circulation and infrared heating in the thermostated container, has ensured the no dead angle of incasement constant temperature, and heating and cooling speed are fast, can reach the settlement temperature in the short time, convenient check-up.
The technical scheme of the utility model is that:
a portable thermostat unit verification device comprising:
a box body;
the temperature control system is arranged in the box body and is connected with the temperature sensing probe;
the sensor calibration system is arranged in the box body and is connected with the sensor to be tested;
the controller checking system is arranged in the box body and is connected with the controller control panel;
the display system is arranged outside the box body and is embedded with the box body;
the temperature control system, the sensor verification system, the controller verification system and the display system are connected with the power supply module.
As a further technical scheme of the utility model do, set up switch on the box, switch is connected with the power module electricity, the rear side of box sets up cooling fan mouth and hot-blast quick-witted mouth, the upside of box sets up the handle.
As a further technical scheme of the utility model, the box is double-deck stainless steel, and its inside is for filling the whole foaming material of high density polyurethane.
As a further technical scheme of the utility model do, set up double-deck high tensity sealing strip between box and the front side case door.
As a further technical solution of the present invention is, the temperature control system includes: the temperature control panel, the refrigeration compressor, the cooling fan, the air heater and the temperature sensing probe; the temperature sensing probe is arranged on the inner side of the box body, and the rear side of the box body is provided with a cooling fan and an air heater; the output end of the temperature sensing probe is connected with a temperature control panel, the output end of the temperature control panel is connected with an air heater and a refrigeration compressor, and the refrigeration compressor is connected with a cooling fan.
As a further technical scheme of the utility model do, sensor check-up system comprises sensor connector and temperature control panel, the sensor connector with wait to detect the sensor and be connected, the sensor connector is connected with temperature control panel.
As a further technical scheme of the utility model do, set up the heat preservation protect line cover between sensor connector and the temperature control panel.
As a further technical scheme of the utility model do, controller check-up system is including setting up at the outside controller connector of box and setting up the controller control panel in the box inside, the controller connector with wait to detect the controller electricity and be connected, the controller connector is connected with the controller control panel.
As a further technical solution of the present invention, the display system includes a temperature display panel and a controller calibration indication panel; the temperature display panel consists of a temperature adjusting knob, a set temperature display screen, an indoor actual temperature display screen, an indoor temperature display normal display and an indoor temperature display fault indicator lamp; the controller calibration indication panel is composed of a sensor temperature measurement display screen, an output voltage display screen, a mode selection knob, a sensor fault indicator, a controller fault indicator and a sensor normal indicator.
The utility model has the advantages that:
1. the utility model discloses can realize the dual check-up of temperature sensor and controller, temperature control is quick, and the regulation and control scope is big, can export multiple model controller voltage, and the check-up commonality is strong, and the incasement constant temperature is effectual, and location trouble equipment is rapid, makes things convenient for equipment fortune dimension.
2. The utility model discloses improve the constant temperature box temperature range, adopted air heater and cooling compressor system combined action's mode, widened the test temperature in the constant temperature box to between-30 deg.C-45 deg.C, unanimous with real environment, the ageing is strong.
3. The utility model discloses improve controller output voltage, through burn record different sensor medium temperatures and output voltage's curve relational expression in advance, type and wait to detect controller model and controller voltage setting value, the device can the automatic selection temperature-output voltage curve, realizes the check-up to multiple temperature controller, and the function is abundant, and the commonality is strong.
4. The utility model discloses further improve check gauge frame construction, whole device comprises inside and outside two-layer high-quality stainless steel, is full of high density polyurethane in the cavity, then adopts double-deck high-tension sealing strip between door and the box, has ensured the interior seal of test area, and whole check gauge quality is little, and thermal insulation performance is good.
Drawings
Fig. 1 is a system structure diagram of a portable temperature controller unit calibration device provided by the present invention;
FIG. 2 is a structural diagram of a portable thermostat unit checking device according to the present invention;
fig. 3 is a rear view of the portable temperature controller unit calibration device provided by the present invention;
FIG. 4 is a wiring diagram of a control circuit of the portable temperature controller unit calibration device provided by the present invention;
fig. 5 is a logic diagram of the temperature control in the thermostatic chamber provided by the present invention;
fig. 6 is the utility model provides a sensor check-up wiring diagram.
Shown in the figure:
10-a box body, 20-a temperature control system, 30-a sensor checking system, 40-a controller checking system and 50-a display system;
11-power switch, 12-handle;
21-temperature control panel, 22-refrigeration compressor, 23-cooling fan, 24-hot air blower, 25-temperature sensing probe;
31-sensor connector;
41-controller connector, 42-controller control panel;
51-temperature display panel, 52-controller verification indication panel.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
The utility model discloses can realize real-time check temperature controller unit running state, the check-up is accurate, conveniently carries. The device is suitable for verifying various controllers of different types by programming the temperature-output voltage value curve relation of the temperature sensing elements of various controllers in advance. The device can be alone check-up to sensor and controller, and accurate positioning fault position makes things convenient for maintenance and change, cost reduction increase.
Referring to fig. 1 to 6, wherein fig. 1 is a structural diagram of a portable temperature controller unit calibration device system according to the present invention; FIG. 2 is a structural diagram of a portable thermostat unit checking device according to the present invention; fig. 3 is a rear view of the portable temperature controller unit calibration device provided by the present invention; FIG. 4 is a wiring diagram of a control circuit of the portable temperature controller unit calibration device provided by the present invention; fig. 5 is a logic diagram of the temperature control in the thermostatic chamber provided by the present invention. Fig. 6 is a diagram of a sensor calibration wiring diagram provided by the present invention;
as shown in fig. 1, a portable thermostat unit verifying apparatus includes:
the housing 10 is provided with a plurality of openings,
the temperature control system 20 is arranged in the box body and is connected with the temperature probe to be measured;
the sensor calibration system 30 is arranged in the box body and is connected with the sensor to be tested;
the controller checking system 40 is arranged in the box body and is connected with the controller control panel;
the display system 50 is arranged outside the box body and is embedded with the box body;
the temperature control system 20, the sensor verification system 30, the controller verification system 40, and the display system 50 are connected to the power module 60.
The embodiment of the utility model provides an in, temperature control system carries out thermostatic control for the box is inside, carries out thermostatic control according to the temperature value of setting for, and sensor check-up system is used for treating temperature sensor and carries out the check-up, and controller check-up system is used for carrying out the check-up to the controller that awaits measuring, shows the check-up result through display system.
Referring to fig. 2 and 3, a power switch 11 is arranged on the box body 10, the power switch 11 is electrically connected with a power supply module 60, a cooling fan port and a hot air blower port are arranged at the rear side of the box body 10, and a handle 12 is arranged at the upper side of the box body 10. The box body 10 is made of high-density polyurethane integrally foamed, stainless steel materials are adopted inside and outside the box body 10, a double-layer high-tensile sealing strip is arranged between the box body 10 and the front side box door to ensure the airtightness in a test area, and the device has the characteristics of light weight, good heat insulation performance and the like. The calibration of the temperature sensor and the temperature control board can be realized. The utility model discloses a box can adopt the size to be 350mm 280mm 300 mm's vertical box.
In the embodiment of the present invention, the temperature control system 20 includes: a temperature control plate 21, a refrigeration compressor 22, a cooling fan 23, a hot air blower 24 and a temperature sensing probe 25; the temperature sensing probe 25 is arranged at the inner side of the box body 10, and the cooling fan 23 and the air heater 24 are arranged at the rear side of the box body 10; the output end of the temperature sensing probe 25 is connected with the temperature control plate 21, the output end of the temperature control plate 21 is connected with the hot air blower 24 and the refrigeration compressor 22, and the refrigeration compressor 22 is connected with the cooling fan 23.
Referring to fig. 4, the embodiment of the present invention provides a portable thermostat unit calibration apparatus, which comprises a power circuit, a temperature probe circuit, a refrigeration compressor control circuit, an air heater control circuit, and a sensor actual temperature circuit.
The box body is of a double-layer stainless steel structure, a high-density polyurethane foaming material is arranged in the box body to form a constant temperature box body, the temperature Ts is set through an adjusting knob, the temperature sensing probe measures the temperature Ta in the real-time box body, when the error delta between the temperature Ts and the temperature Ta is larger than or equal to +/-0.5 ℃, the compressor or the hot air blower is controlled to start according to a logic principle, and when the error delta between the temperature Ts and the temperature Ta is within a precision range (delta is less than +/-0.5 ℃), the compressor or the hot air blower stops and reciprocates in a circulating mode, so that real. The hot air blower forms hot air by adopting an infrared heating mode; the control logic diagram of the temperature control system is shown in fig. 6.
Referring to fig. 5, in the embodiment of the present invention, the sensor verification system 30 is composed of a sensor connector 31 and a temperature control board 21, the sensor connector 31 is connected to the sensor to be detected, and the sensor connector 31 is connected to the temperature control board 21. A heat-preservation wire sheath is arranged between the sensor connector 31 and the temperature control panel 21.
The sensor to be tested is placed in the constant temperature box, the wiring is connected to the connector of the sensor, different temperatures are set through the temperature control knob, and the difference between the temperature Ta in the box body and the measured temperature Tt of the sensor is compared, so that whether the sensor is qualified or not is accurately verified. If the display error of the two is within 0.5 ℃, the sensor is judged to be qualified, the qualified sensor indicator lamp is on, and if the display error of the two is greater than 0.5 ℃, the sensor is judged to be unqualified, and the fault sensor lamp is on.
The embodiment of the present invention provides an embodiment, the controller checking system 40 includes a controller connector 41 disposed outside the box 10 and a controller control panel 42 disposed inside the box 10, the controller connector 41 is electrically connected to the controller to be detected, and the controller connector 41 is connected to the controller control panel 42.
The utility model discloses in the implementation process, can burn in advance in the controller control panel different sensor medium temperature and output voltage's curve relational expression, be connected controller control panel and the controller connector that sets up at the box outside, the input controller model with set for the action value, temperature in the real-time regulating box, the voltage Vo that the different temperatures of check-up appearance output correspond gives the controller control panel, when the output voltage that corresponds if the temperature reaches the setting value of controller control panel, the action of controller control panel, the normal pilot lamp of controller that switches on the controller panel, otherwise, controller fault indicator lights.
In the embodiment of the present invention, the display system 50 includes a temperature display panel 51 and a controller calibration indication panel 52; the temperature display panel 51 is composed of a temperature adjusting knob, a set temperature display screen, an indoor actual temperature display screen, an indoor temperature display normal and an indoor temperature display fault indicator light; the controller verification indication panel 52 is composed of a sensor temperature measurement display screen, an output voltage display screen, a mode selection knob, a sensor fault, a sensor normal, a controller normal, and a controller fault indicator light. The display system judges according to the set value and the measured value and gives an alarm instruction.
The utility model discloses a serial bus RS485 carries out data transmission, and transmission rate is fast, and the interference killing feature is strong, and the temperature display scope is-30 deg.C 45 deg.C, and controller panel output 1 ~ 5A 250VAC satisfies controller operating temperature and output voltage scope.
The utility model discloses can realize the dual check-up of temperature sensor and controller, temperature control is quick, and the regulation and control scope is big, can export multiple model controller voltage, and the check-up commonality is strong, and the incasement constant temperature is effectual, and location trouble equipment is rapid, makes things convenient for equipment fortune dimension.
The utility model discloses further improve the constant temperature box temperature range, adopted air heater and cooling compressor system combined action's mode, widen the test temperature in the constant temperature box to between-30 deg.C-45 deg.C, unanimous with real environment, the ageing is strong.
The utility model discloses further improve controller output voltage, through burn the curve relational expression of burning in advance different sensor medium temperatures and output voltage, type and wait to detect controller model and controller voltage setting value, the device can the automatic selection temperature-output voltage curve, realizes the check-up to multiple temperature controller, and the function is abundant, and the commonality is strong.
The utility model discloses further improve check gauge frame construction, whole device comprises inside and outside two-layer high-quality stainless steel, is full of high density polyurethane in the cavity, then adopts double-deck high-tension sealing strip between door and the box, has ensured the interior seal of test area, and whole check gauge quality is little, and thermal insulation performance is good.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art. Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (9)
1. A portable thermostat unit verification device, comprising:
a box body;
the temperature control system is arranged in the box body and is connected with the temperature sensing probe;
the sensor calibration system is arranged in the box body and is connected with the sensor to be tested;
the controller checking system is arranged in the box body and is connected with the controller control panel;
the display system is arranged outside the box body and is embedded with the box body;
the temperature control system, the sensor verification system, the controller verification system and the display system are connected with the power supply module.
2. The portable temperature controller unit calibration device of claim 1, wherein a power switch is arranged on the box body, the power switch is electrically connected with the power supply module, a cooling fan port and a hot air blower port are arranged on the rear side of the box body, and a handle is arranged on the upper side of the box body.
3. The portable temperature controller unit calibration device of claim 2, wherein the box body is made of double-layer stainless steel, and the inside of the box body is filled with high-density polyurethane integral foaming material.
4. The portable thermostat unit verifying unit of claim 2, wherein a double-layered high-tensile sealing strip is disposed between the case body and the front side case door.
5. The portable thermostat unit verification device of claim 1, wherein the temperature control system comprises: the temperature control panel, the refrigeration compressor, the cooling fan, the air heater and the temperature sensing probe; the temperature sensing probe is arranged on the inner side of the box body, and the rear side of the box body is provided with a cooling fan and an air heater; the output end of the temperature sensing probe is connected with a temperature control panel, the output end of the temperature control panel is connected with an air heater and a refrigeration compressor, and the refrigeration compressor is connected with a cooling fan.
6. The portable thermostat unit verification device of claim 1, wherein the sensor verification system is comprised of a sensor connector and a temperature control board, the sensor connector is connected to a sensor to be tested, and the sensor connector is connected to the temperature control board.
7. The portable thermostat unit verification device of claim 6, wherein a heat insulating grommet is provided between the sensor connector and the temperature control board.
8. The portable temperature controller unit calibration device of claim 1, wherein the controller calibration system comprises a controller connector disposed outside the case and a controller control board disposed inside the case, the controller connector is electrically connected to the controller to be tested, and the controller connector is connected to the controller control board.
9. The portable thermostat unit verification device of claim 1, wherein the display system includes a temperature display panel and a controller verification indication panel; the temperature display panel consists of a temperature adjusting knob, a set temperature display screen, an indoor actual temperature display screen, an indoor temperature display normal display and an indoor temperature display fault indicator lamp; the controller calibration indication panel is composed of a sensor temperature measurement display screen, an output voltage display screen, a mode selection knob, a sensor fault indicator, a controller fault indicator and a sensor normal indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362152.XU CN212844085U (en) | 2020-10-21 | 2020-10-21 | Portable temperature controller unit calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022362152.XU CN212844085U (en) | 2020-10-21 | 2020-10-21 | Portable temperature controller unit calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212844085U true CN212844085U (en) | 2021-03-30 |
Family
ID=75154117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022362152.XU Active CN212844085U (en) | 2020-10-21 | 2020-10-21 | Portable temperature controller unit calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212844085U (en) |
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2020
- 2020-10-21 CN CN202022362152.XU patent/CN212844085U/en active Active
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