CN109618423A - Portable test instrument automatic heating device - Google Patents
Portable test instrument automatic heating device Download PDFInfo
- Publication number
- CN109618423A CN109618423A CN201811393301.XA CN201811393301A CN109618423A CN 109618423 A CN109618423 A CN 109618423A CN 201811393301 A CN201811393301 A CN 201811393301A CN 109618423 A CN109618423 A CN 109618423A
- Authority
- CN
- China
- Prior art keywords
- heating
- controller
- test instrument
- layer
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The present invention relates to automatic heating equipment technical fields, it is a kind of Portable test instrument automatic heating device, it includes in heating blanket flexible and self-heating control device, the self-heating control device includes controller, temperature measuring unit, heating unit and Power Management Unit, heating blanket is sequentially provided with bladder layer from the inside to the outside, heating layer and insulating layer, heating unit includes heating wire and heating control circuit, the heating wire is fixed in heating layer, temperature measuring unit includes at least one temperature sensor, each temperature sensor is respectively connected with A/D converter, A/D converter is connect with controller, controller is connect with heating control circuit.Structure of the invention is reasonable and compact; its operating ambient temperature for passing through temperature sensor measurement test apparatus to be protected; realize that the temperature of heating blanket adjusts using controller; to control the output power of heating blanket; it is quickly heated when low temperature; it is disconnected automatically after reaching set temperature, the excessively high realization of instrument temperature automatically powers off.
Description
Technical field
The present invention relates to automatic heating equipment technical fields, are a kind of Portable test instrument automatic heating devices.
Background technique
During electric power transformer equipment O&M, for the safe and reliable operation for guaranteeing power equipment, it will use a variety of tests
Instrument carries out a series of verifications and detection work to power equipment according to corresponding regulation, and every kind of test apparatus has corresponding be applicable in
Temperature range, the general ideal working condition of instrument are environment temperatures between 5 DEG C -40 DEG C, the temperature as defined in test apparatus
It is detected in range, first is that can be accurate and reliable with guarantee test result, second is that can protect the unlikely damage of test apparatus.It is modern
Testing equipment is to improve portability, largely uses built-in lithium ion battery or lithium polymer battery for test apparatus power supply, environment
The chemical reaction velocity of temperature meeting extreme influence lithium battery.If lithium battery is in low temperature environment, the chemical reaction of battery for a long time
It is slow to become, and battery discharge current strongly reduces, and the capacity of battery reduces, and the electricity of instrument exhausts rapidly, and supply voltage is rapid
Drop may cause shutdown suddenly, block phenomena such as screen, blank screen, crash, detection data loss, damage instrumental operating system.Low temperature ring
Border can accelerate instrument internal circuit board and electronic device aging, shorten instrument shelf life, and instrument is transferred to from cold outdoor
When warm interior, the cataclysm of temperature is also possible to lead to instrument internal condensation, causes internal circuit board short circuit or other failures.Cause
This needs to develop a kind of device that can be realized and instrument is heated while being possessed after heating under low temperature automatic heat preserving.
Summary of the invention
The present invention provides a kind of Portable test instrument automatic heating devices, overcome the defects of the prior art,
It can effectively solve that existing equipment automatic heating device is unable to automatic temperature-control and the power supply of heating device is easy to damage
Problem.
The technical scheme is that being realized by following measures: a kind of Portable test instrument heats dress automatically
It sets, including is in heating blanket flexible and self-heating control device, the self-heating control device includes controller, thermometric list
Member, heating unit and Power Management Unit, heating blanket are sequentially provided with bladder layer, heating layer and insulating layer from the inside to the outside, heat
Unit includes heating wire and the heating control circuit for controlling heating wire power on/off, and the heating wire is fixed in heating layer,
Temperature measuring unit includes at least one temperature sensor, and each temperature sensor is respectively connected with A/D converter, A/D converter and control
Device connection processed, controller are connect with heating control circuit, and heating control circuit is electrically connected with heating wire, Power Management Unit difference
It is connect with controller and heating control circuit.
Here is the further optimization and/or improvements to invention technology described above scheme:
Above-mentioned heating control circuit includes the relay of amplifying circuit and the on/off electricity for controlling heating wire, the amplification electricity
The first input end on road is connected with D/A converter, and D/A converter is connected by I/O Interface and Controler, and the second of amplifying circuit
Input terminal is electrically connected with Power Management Unit, and the output end of amplifying circuit is electrically connected with relay input terminal, relay output end
It is electrically connected with heating wire.
Above-mentioned heating blanket further includes separation layer and wind prevention layer, and separation layer and wind prevention layer are sequentially arranged insulating layer from the inside to the outside
Outside.
Above-mentioned Power Management Unit includes rechargeable lithium battery, regulating circuit and control switch, rechargeable lithium battery, pressure regulation
Circuit and control switch are sequentially electrically connected.
Above-mentioned further includes alarm module, and the controller is electrically connected with alarm module.
Buckle combination or the velcro for fixing heating blanket are connected at the stationary plane left and right edges of above-mentioned heating blanket.
Structure of the invention is reasonable and compact, easy to use, passes through temperature sensor measurement test apparatus to be protected
Operating ambient temperature realizes that the temperature of the different stalls of heating blanket adjusts using controller, to control the output work of heating blanket
Rate, when low temperature, quickly heat, and disconnect automatically after reaching set temperature, if the excessively high realization of instrument temperature automatically powers off.Constant temperature mould
The function that heat preservation may be implemented in block and wind and water preventing splashes, and instrument more drop resistant can be allowed to fall.Guarantee test instrument energy of the present invention
Open air holding good operating condition of enough long-times in low temperature.
Detailed description of the invention
Attached drawing 1 is the circuit control block diagram of preferred embodiment.
Attached drawing 2 is the configuration schematic diagram of heating blanket of the present invention.
Attached drawing 3 is a kind of deployed configuration schematic diagram of heating blanket of the invention.
Attached drawing 4 is the distributed architecture schematic diagram of heating wire of the invention.
Coding in attached drawing is respectively as follows: 1 for heating blanket, and 101, bladder layer, 102 be heating layer, and 103 be insulating layer, and 104 are
Separation layer, 105 be wind prevention layer, and 2 be heating wire, and 3 be stationary plane, and 4 be velcro.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the Butut according to Figure of description
Direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in attached drawing 1,2,3,4, the Portable test instrument automatic heating device, including in heating blanket 1 flexible and automatically
Heating control apparatus, the self-heating control device include controller, temperature measuring unit, heating unit and Power Management Unit,
Heating blanket 1 is sequentially provided with bladder layer 101, heating layer 102 and insulating layer 103 from the inside to the outside, and heating unit includes 2 He of heating wire
For controlling the heating control circuit of 2 power on/off of heating wire, the heating wire 2 is fixed in heating layer 102, and temperature measuring unit includes
At least one temperature sensor, each temperature sensor are respectively connected with A/D converter, and A/D converter is connect with controller, control
Device is connect with heating control circuit, and heating control circuit is electrically connected with heating wire 2, Power Management Unit respectively with controller and add
Thermal control circuit connection.
The nickel chromium triangle lectrothermal alloy wire for being not easy to become fragile at low temperature can be used in heating wire 2 of the invention, has low temperature resistant spy
Property.Heating wire 2 is wrapped up in the heating layer 102 of heating blanket 1, bladder layer 101 directly contacts protected test apparatus surface, and wraps
Wrap up in self-heating control device.Low-temperature resistance material resistant to bending can be used in each layer of heating blanket 1, and thermally conductive system can be used in insulating layer 103
Fire-retardant fireproof heat-resisting material can be used in the low material of number, such as aerogel blanket, heating layer 102, and thermal conductivity can be used in bladder layer 101
Good material.Temperature sensor of the invention is as needed, and low temperature resistant patch type temperature sensor can be used, facilitate peace
Dress.Temperature sensor can be connected with multiple according to the actual needs of the site, may be disposed at the different location of protected test apparatus
On.
Controller of the invention can be made of single-chip microcontroller, I/O interface and pcb board, be powered by Power Management Unit, and temperature passes
The temperature signal of sensor acquisition, and digital signal is converted to by A/D converter, single-chip microcontroller is by I/O interface, through monolithic
Programmed logic built in machine judges the interval range that temperature is in, and determines output gear；The output signal of single-chip microcontroller is to heating
Control circuit exports control signal, if low temperature is lower than the threshold value of lowest gear setting, heating control circuit controls heating wire 2 and adds
Heat, after temperature reaches the highest gear temperature of setting, constant temperature is kept.
Above-mentioned Portable test instrument automatic heating device can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, heating control circuit includes the relay of amplifying circuit and the on/off electricity for controlling heating wire 2,
The first input end of the amplifying circuit is connected with D/A converter, and D/A converter is connected by I/O Interface and Controler, amplification
Second input terminal of circuit is electrically connected with Power Management Unit, and the output end of amplifying circuit is electrically connected with relay input terminal, after
Electrical output terminal is electrically connected with heating wire.
Here amplifying circuit is existing well-known technique, for the amplification of voltage, so that realizes relay leads on and off
It opens.
As shown in attached drawing 1,2, heating blanket 1 further includes separation layer 104 and wind prevention layer 105, separation layer 104 and wind prevention layer 105
It is sequentially arranged 103 outside of insulating layer from the inside to the outside.
The wind prevention layer 105 of heating blanket 1 of the invention is exposed in low temperature environment, to prevent the temperature inside heating blanket 1
It scatters and disappears too fast, the effect of basic constant temperature can be kept, wind prevention layer 105 preferably uses waterproof tear resistant material, and dark color can be used in color, with black
Color is preferred.Separation layer 104 is used for the internal radiation reverse reflected inside for giving out heating wire 2, and metal can be used in separation layer 104
Foil paper plays heat-insulated effect, prevents temperature from distributing too fast, also plays the effect of heat preservation.
As shown in attached drawing 1,2, Power Management Unit includes rechargeable lithium battery, regulating circuit and control switch, chargeable
Lithium battery, regulating circuit and control switch are sequentially electrically connected.
Special low-temp lithium battery can be used in rechargeable lithium battery, has under-voltage protection, overvoltage protection, overcharges protection, excess temperature
Defencive function.After the electric energy of rechargeable lithium battery storage is adjusted by the voltage of regulating circuit, it is respectively by control switch
Controller and amplifying circuit provide power supply.
It further include alarm module as shown in attached drawing 1,2, the controller is electrically connected with alarm module.
Here alarm module can be combined aural and visual alarm, if temperature occurs abnormal excessively high, single-chip microcontroller is to sound-light alarm
Device issue control command, make combined aural and visual alarm issue warning note, while controller by control heating control circuit, cutting after
Electric appliance disconnects 2 power supply of heating wire.
As shown in attached drawing 1,2,3,4, the card for fixing heating blanket 1 is connected at 3 left and right edges of stationary plane of heating blanket 1
Button combination or velcro 4.
Stationary plane 3 can be set by the bottom surface of heating blanket 1 as needed, it, can be quasi- for the ease of fixed heating blanket 1
True alignment test instrument needs the position heated to be heated, the buckle side of combination that the present invention is formed using hook with fixing buckle
The mode that formula or velcro 4 mutually bond realizes fixed heating blanket 1, and it is convenient to facilitate.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (10)
1. a kind of Portable test instrument automatic heating device, it is characterised in that including in heating blanket flexible and automatic heating control
Device processed, the self-heating control device include controller, temperature measuring unit, heating unit and Power Management Unit, heating blanket
It is sequentially provided with bladder layer, heating layer and insulating layer from the inside to the outside, heating unit includes heating wire and leads to for controlling heating wire
The heating control circuit of power-off, the heating wire are fixed in heating layer, and temperature measuring unit includes at least one temperature sensor, often
A temperature sensor is respectively connected with A/D converter, and A/D converter is connect with controller, and controller is connect with heating control circuit,
Heating control circuit is electrically connected with heating wire, and Power Management Unit is connect with controller and heating control circuit respectively.
2. Portable test instrument automatic heating device according to claim 1, it is characterised in that heating control circuit packet
The relay of amplifying circuit and the on/off electricity for controlling heating wire is included, the first input end of the amplifying circuit is connected with D/A
Converter, D/A converter are connected by I/O Interface and Controler, the second input terminal and the Power Management Unit electricity of amplifying circuit
Connection, the output end of amplifying circuit are electrically connected with relay input terminal, and relay output end is electrically connected with heating wire.
3. Portable test instrument automatic heating device according to claim 1 or 2, it is characterised in that heating blanket further includes
Separation layer and wind prevention layer, separation layer and wind prevention layer are sequentially arranged from the inside to the outside on the outside of insulating layer.
4. Portable test instrument automatic heating device according to claim 1 or 2, it is characterised in that Power Management Unit
Including rechargeable lithium battery, regulating circuit and control switch, rechargeable lithium battery, regulating circuit and control switch are sequentially electrically connected
It connects.
5. Portable test instrument automatic heating device according to claim 3, it is characterised in that Power Management Unit packet
Rechargeable lithium battery, regulating circuit and control switch are included, rechargeable lithium battery, regulating circuit and control switch are sequentially electrically connected.
6. Portable test instrument automatic heating device according to claim 1 or 2, it is characterised in that further include alarm mould
Block, the controller are electrically connected with alarm module.
7. Portable test instrument automatic heating device according to claim 3, it is characterised in that it further include alarm module,
The controller is electrically connected with alarm module.
8. Portable test instrument automatic heating device according to claim 4, it is characterised in that it further include alarm module,
The controller is electrically connected with alarm module.
9. Portable test instrument automatic heating device according to claim 5, it is characterised in that it further include alarm module,
The controller is electrically connected with alarm module.
10. Portable test instrument automatic heating device according to claim 1 or 2, it is characterised in that heating blanket is consolidated
Determine to be connected with buckle combination or the velcro for fixing heating blanket at the left and right edges of face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393301.XA CN109618423A (en) | 2018-11-21 | 2018-11-21 | Portable test instrument automatic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393301.XA CN109618423A (en) | 2018-11-21 | 2018-11-21 | Portable test instrument automatic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109618423A true CN109618423A (en) | 2019-04-12 |
Family
ID=66004787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811393301.XA Pending CN109618423A (en) | 2018-11-21 | 2018-11-21 | Portable test instrument automatic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109618423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086245A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Glue joint repairing device and repairing method for composite material structure of airplane |
| CN113467542A (en) * | 2021-07-06 | 2021-10-01 | 厦门加华电力科技有限公司 | Portable device for constant-temperature heating and heat preservation of instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901762Y (en) * | 2006-01-21 | 2007-05-16 | 江苏江分电分析仪器有限公司 | Cracking furnace overtemperature protection device |
| CN205793423U (en) * | 2016-06-02 | 2016-12-07 | 西安泰德石油科技开发有限责任公司 | A kind of MWD downhole instrument warmer |
| CN108552913A (en) * | 2018-04-19 | 2018-09-21 | 芜湖智为有道信息技术有限公司 | A kind of graphene heating carpet |
| CN108633110A (en) * | 2017-03-24 | 2018-10-09 | 天津市天瑞地毯有限公司 | A kind of residential carpet temperature control system |
-
2018
- 2018-11-21 CN CN201811393301.XA patent/CN109618423A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2901762Y (en) * | 2006-01-21 | 2007-05-16 | 江苏江分电分析仪器有限公司 | Cracking furnace overtemperature protection device |
| CN205793423U (en) * | 2016-06-02 | 2016-12-07 | 西安泰德石油科技开发有限责任公司 | A kind of MWD downhole instrument warmer |
| CN108633110A (en) * | 2017-03-24 | 2018-10-09 | 天津市天瑞地毯有限公司 | A kind of residential carpet temperature control system |
| CN108552913A (en) * | 2018-04-19 | 2018-09-21 | 芜湖智为有道信息技术有限公司 | A kind of graphene heating carpet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086245A (en) * | 2019-12-19 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | Glue joint repairing device and repairing method for composite material structure of airplane |
| CN113467542A (en) * | 2021-07-06 | 2021-10-01 | 厦门加华电力科技有限公司 | Portable device for constant-temperature heating and heat preservation of instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101470348B1 (en) | Photovoltaic power generation system having fire prevention apparatus | |
| JP4965763B2 (en) | Lithium-polymer battery and control system | |
| CN110392956A (en) | Battery pack | |
| KR101926341B1 (en) | Battery management system for photovoltaic power generating apparatus | |
| JPH10271700A (en) | Charger | |
| JPH06205541A (en) | Battery system | |
| CN105514527A (en) | Heating device of lithium iron phosphate battery, storage battery and vehicle | |
| US20140341252A1 (en) | Device and method for protecting a load | |
| CN109618423A (en) | Portable test instrument automatic heating device | |
| CN107228717A (en) | Conductor temperature detector | |
| CN111735096A (en) | Heating floor and heating control system and method thereof | |
| CN104852099A (en) | Battery cell with power interruption during gas discharging | |
| CN106356915A (en) | Temperature control device, temperature compensation method, temperature compensation device and terminal | |
| CN212254405U (en) | Temperature difference monitoring device and system of distribution box | |
| CN209730114U (en) | A kind of battery and batter-charghing system | |
| CN208443986U (en) | Power battery monitoring device and electrokinetic cell system comprising the monitoring device | |
| CN111211377A (en) | System and method for monitoring temperature of cylindrical lithium ion battery | |
| CN208254675U (en) | A kind of monitoring temp measuring system of breaker | |
| CN217789317U (en) | Additional charging protection device of electric bicycle | |
| CN111684648A (en) | Battery and movable platform | |
| CN117673577A (en) | Temperature control battery, battery temperature control system and battery temperature control method | |
| JP2010165579A (en) | Secondary battery pack, charger or charging circuit mounted equipment, and charging system | |
| WO2000045449A2 (en) | High speed battery charging system with high accuracy voltage sensing | |
| CN210957883U (en) | Battery over-temperature protection device and electronic equipment | |
| CN213337919U (en) | Air switch detection circuit, module, electronic equipment and air switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |