CN209810202U - Constant temperature operation box of electrical test equipment - Google Patents
Constant temperature operation box of electrical test equipment Download PDFInfo
- Publication number
- CN209810202U CN209810202U CN201920480892.8U CN201920480892U CN209810202U CN 209810202 U CN209810202 U CN 209810202U CN 201920480892 U CN201920480892 U CN 201920480892U CN 209810202 U CN209810202 U CN 209810202U
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- Prior art keywords
- box body
- constant temperature
- electrical test
- radiator
- heating
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000002474 experimental method Methods 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 239000004964 aerogel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 238000009666 routine test Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The constant temperature operation box of the electrical test equipment comprises a constant temperature box body and an operation panel, wherein the constant temperature box body comprises a main box body and an upper cover, and the main box body is provided with a radiator, a circulating fan, an external power supply input interface and universal wheels; an operation port and a wiring port are arranged on the upper cover panel; the heating plate is arranged in the radiator, and the external power input interface is electrically connected with the heating plate in the radiator through the temperature controller. The operation panel includes: the device comprises a heating operation indicator lamp, a heating stop indicator lamp, a temperature controller, a digital display screen, a manual start button, a manual stop button, a three-position knob switch, a fan experiment locking knob switch, a power input air switch and a contactor. The staff opens the thermostated container before experimental, just can reach the temperature of setting for fast, then puts into the thermostated container with equipment when experimental, and the thermostated container reserves wiring mouth and operation mouth, and test equipment can carry out all operations at the thermostated container, saves operating time, improves work efficiency.
Description
Technical Field
The utility model relates to a power equipment technical field, more specifically say, in particular to electrical test equipment constant temperature control box.
Background
The high-voltage electrical test is an important link in operation, overhaul and maintenance of a power system, the electrical equipment test is often required to be carried out in the outdoor environment, the field environment and other environments, the test equipment is composed of precise electronic components, grease, insulating materials and the like, the outdoor environment temperature is too low in cold regions, the safety and the precision of the test equipment are greatly influenced, parameters of a capacitor, an inductor and a resistor can be changed due to low temperature, lubricating grease and lubricating oil are solidified and frozen, the problems that metal and plastic insulating parts are poor in contact due to different shrinkage coefficients, materials are brittle, parts subjected to individual sealing treatment are cracked and the like are caused, and the accuracy of test data and the stability of the equipment are directly influenced.
Therefore, when testing is performed in a low-temperature environment, the tester needs to warm up the testing equipment for a certain time each time a test is performed, resulting in an extended total time of high-pressure routine tests. If the high-voltage test work takes too much time, the high-voltage test work brings more pressure to other teams, and even the work cannot be completed within the scheduled time, so that the power transmission is delayed.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem
The utility model discloses the problem that needs to solve is: in a low-temperature environment, each test for high-voltage equipment needs to be preheated for a certain time, so that each test takes a certain working hour, and the total time of high-voltage routine tests is prolonged.
(2) Technical scheme
In view of the above problems, the present invention provides a constant temperature operation box for electrical test equipment. From carrying out high-voltage electrical test's actual need at low temperature, open this constant temperature operation case earlier before experimental, put into test equipment during experiment the utility model discloses, not only can improve experimental precision, can shorten test time moreover.
The constant temperature operation box of the electrical test equipment comprises a constant temperature box body and an operation panel.
The thermostat box body comprises a main box body and an upper cover, and the main box body is provided with a radiator, a circulating fan, an external power input interface and universal wheels. And an operation port and a wiring port are arranged on the upper cover panel. The heating plate is arranged in the radiator. The external power input interface is electrically connected with the heating plate in the radiator through the temperature controller. The universal wheels are positioned at four corners of the bottom of the constant temperature box body.
The operation panel includes: the device comprises a heating operation indicator lamp, a heating stop indicator lamp, a temperature controller, a digital display screen, a manual start button, a manual stop button, a three-position knob switch, a fan experiment locking knob switch, a power input air switch and a contactor.
Further, the structure of the constant temperature box body is a double-layer galvanized plate middle filling heat-insulating material structure, the heat-insulating material is preferably aerogel, the aerogel is a novel heat-insulating material, the heat insulation and fire prevention are realized, the high temperature resistance of the aerogel can reach 1000 ℃, and the heat-insulating property is high.
Further, the main box body comprises a bottom surface and four side surfaces. The bottom of the upper cover is provided with a circle of rubber ring corresponding to the edge above the main box body, and when the upper cover covers the upper part of the main box body, the rubber ring plays a role in sealing.
Furthermore, circulating fan is located the thermostated container bottom, in order to strengthen the convection current, the circulation of the inside air of thermostated container, is convenient for reach the temperature of settlement fast. The radiator is positioned in the constant temperature box body.
Furthermore, the universal wheels are provided with four.
Furthermore, operation mouth and wiring mouth all are provided with the sealed apron that organic glass made, and are sealed when not needing wiring and operation, avoid temperature loss. The shape of the sealing cover plate is matched with the shapes of the corresponding operation port and the corresponding wiring port, and a circle of rubber ring is adhered to the edge of the sealing cover plate.
Furthermore, the temperature controller is internally connected with a three-probe temperature controller thermal resistor.
Further, the three-position knob switch comprises a manual position, a stop position and an automatic position.
After the external power supply is switched on, the temperature is lower than the set temperature under the action of the temperature controller, the circuit is switched on, the heating plate heats, and the circulating fan is started. When the temperature reaches the set temperature, the circuit is disconnected, the heating plate is powered off to stop heating, and the circulating fan is powered off to stop running.
(3) Advantageous effects
The utility model has the advantages that: only need the staff to open the thermostated container before experimental, just can reach the temperature of setting for fast, then put into the thermostated container with equipment when experimental, the thermostated container reserves wiring mouth and operation mouth, and test equipment can carry out all operations at the thermostated container, can save operating time, improves work efficiency.
Drawings
Fig. 1 is the overall structure schematic diagram of the utility model, fig. 2 is the structure schematic diagram of the upper cover of the utility model, fig. 3 is the thermal resistance schematic diagram of the three-probe temperature controller, fig. 4 is the electrical schematic diagram of the utility model.
In the figure: 1 is a constant temperature box body, 11 is a main box body, 111 is a radiator, 112 is a circulating fan, 113 is an external power input interface, 114 is a universal wheel, 12 is an upper cover, 121 is an operation port, 122 is a wiring port, 123 is a rubber ring, and 2 is an operation panel.
The labels in the schematic diagram of the circuit correspond to: the device comprises a heating operation indicator lamp HD, a heating stop indicator lamp LD, a temperature controller WK, a digital display screen, a manual start button QA, a manual stop button TA, a three-position knob switch LS1, a fan experiment locking knob switch LS2, a power input air switch ZK and a contactor CJ.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the thermostatic operation box for electrical test equipment includes a thermostatic box body 1 and an operation panel 2.
The thermostat box body 1 comprises a main box body 11 and an upper cover 12, wherein the main box body 11 is provided with a radiator 111, a circulating fan 112, an external power input interface 113 and a universal wheel 114. The panel of the upper cover 12 is provided with an operation port 121 and a wiring port 122. The main box 11 includes a bottom surface and four side surfaces. The bottom of the upper cover 12 is provided with a ring of rubber ring 123 corresponding to the upper edge of the main box body, and when the upper cover is covered on the main box body, the sealing function is achieved. The heating plate is arranged in the radiator. The external power input interface 113 is electrically connected to a heating plate in the radiator through a temperature controller. The universal wheels 114 are located at four corners of the bottom of the incubator body 1. The universal wheels are provided with four. The circulating fan 112 is located at the bottom of the thermostat body 1, and the radiator 111 is located in the thermostat body 1. Operation mouth 121 and wiring mouth 122 all are provided with the sealed apron that organic glass made, and are sealed when not needing wiring and operation, avoid temperature loss. The operation port 121 and the wire connection port 122 are configured to be circular, oval or square according to the requirement, but are not limited to the above shapes.
The operation panel 2 includes: the device comprises a heating operation indicator lamp HD, a heating stop indicator lamp LD, a temperature controller WK, a digital display screen, a manual start button QA, a manual stop button TA, a three-position knob switch LS1, a fan experiment locking knob switch LS2, a power input air switch ZK and a contactor CJ. The temperature controller WK is internally connected with a three-probe temperature controller thermal resistance, and the schematic diagram of the three-probe temperature controller thermal resistance is shown in figure 3. The three-position knob switch comprises a manual position, a stop position and an automatic position.
After the external power supply is switched on, the temperature is lower than the set temperature under the action of the temperature controller, the circuit is switched on, the heating plate heats, and the circulating fan is started. When the temperature reaches the set temperature, the circuit is disconnected, the heating plate is powered off to stop heating, and the circulating fan is powered off to stop running. The utility model discloses an electric schematic diagram, see fig. 4, its principle specifically is:
when the utility model is automatically operated, when the 220V AC power supply is connected with the air switch ZK, the air switch ZK is closed, the required temperature is set, and the three-position knob switch is arranged at the automatic position; because three probe temperature control thermal resistance in temperature controller WK inscription, when the temperature was less than the settlement temperature, under the effect of temperature control thermal resistance, temperature controller normally open contact was closed, and ac contactor CJ coil got the electricity, and ac contactor normally open contact is closed, and normally closed contact breaks off, and heating running lamp HD lights, and the hot plate gets the electricity, begins to heat, and circulating fan FD gets the electricity, begins to operate. At this point, the oven begins to heat. When the temperature reaches the settlement temperature, because the effect of thermal resistance, temperature controller normally open contact disconnection resumes normally open state, and ac contactor CJ coil loses the electricity, and normally closed contact is closed, and normally open contact disconnection, hot plate and circulating fan lose the electricity, and the heating stops, and heating operation pilot lamp HD loses the electricity and extinguishes, stops to heat pilot lamp LD and lights. One cycle of operation is completed. And when the temperature is lower than the set temperature, the temperature controller starts the next working cycle.
When the utility model discloses manual operation: when 220V alternating current power supply access air switch ZK, close air switch ZK, place three-position knob switch in manual position, when needs heating, press manual start button QA, alternating current contactor CJ got the electricity this moment, and alternating current contactor normally open contact is closed, and normally closed contact disconnection, heating running light HD lights, and the hot plate gets the electricity, begins to heat, revolves fan experiment locking knob switch LS2 to latched position this moment, and circulating fan FD gets the electricity, begins to operate. At this point, the oven begins to heat. When the temperature reaches the requirement, a manual stop button TA is pressed, the coil CJ of the alternating current contactor is powered off, the normally closed contact is closed, the normally open contact is disconnected, the heating plate and the circulating fan are powered off, the heating is stopped, the heating operation indicator lamp HD is powered off, and the heating stop indicator lamp LD is turned on. One manual work cycle is completed.
In the present invention, no matter whether the three-position knob switch LS1 is placed in the automatic position or the manual position, the system will stop operation as long as the switch is rotated to the stop position.
The utility model has the advantages that: only need the staff to open the thermostated container before experimental, just can reach the temperature of setting for fast, then put into the thermostated container with equipment when experimental, the thermostated container reserves wiring mouth and operation mouth, and test equipment can carry out all operations at the thermostated container, can save operating time, improves work efficiency.
The present invention is not limited to the above embodiments, and any person can obtain other products in various forms according to the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The constant temperature operation box of the electrical test equipment comprises a constant temperature box body and an operation panel, and is characterized in that:
the constant temperature box body comprises a main box body and an upper cover, and the main box body is provided with a radiator, a circulating fan, an external power input interface and universal wheels; the upper cover panel is provided with an operation port and a wiring port; a heating plate is arranged in the radiator; the external power input interface is electrically connected with a heating plate in the radiator through a temperature controller; the universal wheels are positioned at four corners of the bottom of the constant temperature box body;
the operation panel includes: the device comprises a heating operation indicator lamp, a heating stop indicator lamp, a temperature controller, a digital display screen, a manual start button, a manual stop button, a three-position knob switch, a fan experiment locking knob switch, a power input air switch and a contactor.
2. The electrical test apparatus incubator of claim 1, wherein: the constant temperature box body structure is a structure of filling heat preservation materials in the middle of a double-layer galvanized plate.
3. The electrical test apparatus incubator of claim 1, wherein: the circulating fan is positioned at the bottom of the constant temperature box body, and the radiator is positioned in the constant temperature box body.
4. The electrical test apparatus incubator of claim 1, wherein: the universal wheels are provided with four.
5. The electrical test apparatus incubator of claim 1, wherein: operation mouth and wiring mouth all are provided with the sealed apron that organic glass made, and sealed apron shape matches with the operation mouth and the wiring mouth shape that correspond, and the edge of sealed apron is pasted and is had round rubber circle.
6. The electrical test apparatus incubator of claim 1, wherein: the temperature controller is internally connected with a three-probe temperature controller thermal resistor.
7. The electrical test apparatus incubator of claim 1, wherein: the three-position knob switch comprises a manual position, a stop position and an automatic position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480892.8U CN209810202U (en) | 2019-04-10 | 2019-04-10 | Constant temperature operation box of electrical test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480892.8U CN209810202U (en) | 2019-04-10 | 2019-04-10 | Constant temperature operation box of electrical test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209810202U true CN209810202U (en) | 2019-12-20 |
Family
ID=68879368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480892.8U Expired - Fee Related CN209810202U (en) | 2019-04-10 | 2019-04-10 | Constant temperature operation box of electrical test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209810202U (en) |
-
2019
- 2019-04-10 CN CN201920480892.8U patent/CN209810202U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |