CN111770594A - Portable multipurpose glass system of heating debugging circuit - Google Patents
Portable multipurpose glass system of heating debugging circuit Download PDFInfo
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- CN111770594A CN111770594A CN202010555261.5A CN202010555261A CN111770594A CN 111770594 A CN111770594 A CN 111770594A CN 202010555261 A CN202010555261 A CN 202010555261A CN 111770594 A CN111770594 A CN 111770594A
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- 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
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
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- 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
- H05B3/02—Details
Abstract
The invention discloses a portable multipurpose glass heating system debugging circuit. The circuit comprises aluminum alloy box, ampere meter, potentiometer, diode isolation module and wiring module, change over switch, change over relay, pilot lamp, aviation plug, aviation cable and electric connector. After the circuit is connected with the heating system control box, the functions of adjusting, testing and monitoring the heating system in different states are realized by operating a change-over switch on the circuit. Meanwhile, the circuit has a standby function of ensuring normal use of the circuit through an external resistor box when the potentiometer inside the circuit fails. The invention overcomes the defects of low working efficiency, complex operation, low reliability, large waste of human resources, no special glass heating system debugging circuit and the like in the traditional work.
Description
Technical Field
The invention belongs to the technical field of aviation, and relates to a debugging circuit of a portable multipurpose glass heating system.
Background
The glass heating system is used for electrically heating the glass so as to prevent and eliminate fog and frost on the glass and the definition of the glass. At present, in order to complete the debugging work of a heating system, a simple status indicator lamp is connected on a coil of a glass heating power supply contactor in parallel through a connecting cable, and then a resistance box is externally connected to carry out an adjusting test. The device is complex to operate, unreliable in connection and prone to safety accidents such as short circuit and open circuit. Moreover, the heating test is free of state display, the adjustment process is difficult to wire, the test effect can only be judged and distinguished by touching the sense organ or the thermometer and other experiences, rework adjustment is caused by no reference point, the inaccurate adjustment is easy to cause the factors such as long heating waiting time and the like to have great influence on the working efficiency.
Disclosure of Invention
The portable multipurpose debugging circuit overcomes the defects in the prior art, is stable and reliable in connection, simple and convenient to operate, visual in test state and capable of improving working quality and efficiency.
Technical scheme
A portable multipurpose glass heating system debugging circuit comprises an ammeter BL1, an ammeter BL2, a transfer relay J1, a transfer relay J2, a resistor box transfer switch K1, an adjustment-test transfer switch K2, a resistor box transfer switch K3, an adjustment-test transfer switch K4, a potentiometer Z1, a potentiometer Z2, an ohmmeter BO1, an ohmmeter BO2, a plug socket CZ1, a plug socket CZ2 and a wiring module 01-07; the conversion relay J1 is respectively connected with a socket CZ1, a socket CZ2, an ammeter BL1 and a resistor box conversion switch K1, and the conversion relay J2 is respectively connected with a socket CZ1, a socket CZ2, an ammeter BL2 and a resistor box conversion switch K3;
the junction module 01 is respectively connected with a socket CZ1, a socket CZ2, an indicator lamp D1, an indicator lamp D2 and a junction module 05;
the junction module 02 is respectively connected with a socket CZ1, a socket CZ2, an indicator lamp D4, an indicator lamp D5 and a junction module 05;
the wiring module 03 is respectively connected with a resistor box change-over switch K1, an ohmmeter B01, an ohmmeter B02, a potentiometer Z1, a potentiometer Z2 and a resistor box change-over switch K3;
the wiring module 04 is respectively connected with a socket CZ1, a socket CZ2, a conversion relay J1, a conversion relay J2, an ammeter BL1, an ammeter BL2, an ohmmeter B01, an ohmmeter B02, an indicator lamp D3 and an indicator lamp D6;
the wiring module 06 is respectively connected with the wiring module 05, the adjusting-testing change-over switch K2, the indicator light D3, the adjusting-testing change-over switch K4 and the indicator light D6
The wiring module 07 is respectively connected with an ammeter BL1, a conversion relay J1, an adjustment-test conversion switch K2, an ohmmeter B01, an ammeter BL2, a conversion relay J2, an adjustment-test conversion switch K4 and an ohmmeter B02.
Socket CZ1, socket CZ2, and aircraft cable connect the debug circuitry to the glass warming system.
The wiring point 2 of the adjusting-testing change-over switch K2 is connected with the hole D of the wiring module 07, the hole A of the wiring module 07 is positively connected with an ammeter BL1, the hole C is connected with the point A of a change-over relay J1, and the hole B is connected with the wiring point 9 of an ohmmeter B01, so that the actual heating function of an external circuit on a heating system is realized.
The K hole of the plug socket CZ1 is connected with an electric shock 2 of a conversion relay J1, the L hole is connected with a conversion relay J1, the M hole is connected with a contact 8 of the conversion relay J1, the N hole is connected with a contact 11 of the conversion relay J1, a wiring position C of an ammeter BL1 is connected with a contact 3 of the conversion relay J1, a wiring position B is connected with a contact 6, a wiring position A is connected with a contact 9 of the conversion relay J1, a wiring position N is connected with a contact 12 of the conversion relay J1, and the actual heating current value of the heating debugging circuit in the actual heating process is achieved.
By adding the circuit in the whole heating debugging circuit, the function of heating the glass without the help of the original circuit can be realized, the actual heating current change of the glass can be directly observed, and the operability is increased for debugging work.
The junction module 05 is only a function of a current bus bar, is used for parallel connection of cables, is used for butting the cables, can meet the requirement of parallel connection of a plurality of cables, and is not shown in the front of a table.
Still include external resistance box, external resistance box passes through socket CZ3 and aviation cable and this debugging circuit connection.
The connections between the external resistance box components define the relationship as follows in table 4:
table 4 external resistance box wiring definition table
When the internal resistance box of the circuit breaks down and cannot be used, the external resistance box is combined with the ammeter and the indicator lamp of the debugging circuit by adjusting the resistance value of the external resistance box, so that the resistance value of the resistor in the heating system is adjusted.
An aluminum alloy box is used as a carrier, and meanwhile, a storage space for the circuit external cable is reserved according to the size of an electric element in the circuit, and the size of the space in actual use is combined to determine the proper size.
An ammeter, a potentiometer, a diode isolation module, a wiring module, a change-over switch, a change-over relay, an indicator light, an aviation plug, an aviation cable and an electric connector are selected to be integrally mounted in a carrier inside the circuit.
The front end of a control box connecting cable of the circuit is directly connected with a socket on the heating control box by adopting an aviation plug, and the rear end of the connecting cable is connected with a debugging circuit.
The debugging circuit can realize debugging and checking work for two glass heating systems at the same time.
Technical effects
The circuit is simple in principle and easy to maintain, the circuit hardware is externally connected with the socket and the plug which can be rapidly detached in a misplug prevention mode, operation is simple and convenient, adjustment is intuitively facilitated, and working time can be saved. The circuit function is abundant, and visual degree is high, can realize simultaneously two sets of glass heating system's resistance adjustment, heating control box self-checking control, heating state and heating current monitoring, heating system work resistance state display control function such as. Meanwhile, the main circuit potentiometer can be externally connected with a standby resistance box to be continuously used under the condition of failure, and the test adjustment of the backup function is realized. By using the debugging circuit, the number of operators and workload of the work can be greatly reduced, and the debugging work of the glass heating system can be finished with high efficiency and high quality.
Drawings
FIG. 1 is a diagram of debug circuitry primary component relationships;
FIG. 2 is an electrical schematic diagram of a debug circuit;
FIG. 3 is a general diagram of debug circuitry wiring;
FIG. 3.1 is a wiring diagram of the debug circuit transfer relays J1, J2;
FIG. 3.2 is a wiring diagram of the debugging circuit wiring module 01-07;
fig. 3.3 is a wiring diagram of the debug circuit plug sockets CZ1, CZ2 and CZ 3;
FIG. 3.4 is a wiring diagram of debug circuit switches K1-K4;
FIG. 3.5 is a wiring diagram of debugging circuit current meters BL1, BL2, ohmmeters BO1 and BO 2;
FIG. 3.6 is a wiring diagram of the debugging circuit indicator lights D1-D7, the potentiometer Z1, Z2.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
the circuit comprises the following necessary components: ammeter BL1, ammeter BL2, conversion relay J1, conversion relay J2, wiring module 01, wiring module 02, wiring module 03, wiring module 04, wiring module 05, wiring module 06, wiring module 07, indicator lamp D1, indicator lamp D2, indicator lamp D3, indicator lamp D4, indicator lamp D5, indicator lamp D6, ohmmeter BO1, ohmmeter BO2, conversion switch K1, conversion switch K2, conversion switch K3, conversion switch K4, potentiometer Z1, potentiometer Z2, plug and socket CZ1, plug and socket CZ2, plug and socket CZ3, and aviation cable; the general composition relationship of the main components can be seen in fig. 1, and the connection relationship between the main components is as follows:
the relay J1 and the relay J2 are correspondingly connected with an ammeter BL1, an ammeter BL2, a socket CZ1, a socket CZ2, a change-over switch K1 and a change-over switch K3 through aviation cables according to the following wiring definition table 1;
TABLE 1 Relay connection definition Table
The wiring modules 01-07 are respectively and correspondingly connected with an ammeter, a potentiometer, an ohmmeter and an indicator lamp through aviation cables according to the following wiring definition table 2.
Table 2 wiring module wiring definition table
Connecting the debugging circuit with the glass heating system through a socket CZ1, a socket CZ2 and an aviation cable, wherein the specific connection definition is as shown in the following table 3;
TABLE 3 socket connection definition table
In order to avoid the condition that a debugging circuit is unavailable due to the fact that a potentiometer in the circuit breaks down, an external resistance box and an external cable are added into the circuit to serve as unnecessary components of the circuit. The external resistance box is connected with the debugging circuit through a socket CZ3 and an aviation cable, and the connection definition relationship among the components is as follows:
table 4 external resistance box wiring definition table
In order to solve the technical problems, in consideration of the requirement of realizing portability, practicability and reliability in the debugging and using process, an aluminum alloy box is designed to be used as a carrier, a storage space for a circuit external cable is reserved according to the size of an electric element in the circuit, and the proper size is determined by combining the space size of the actual use.
According to the working principle and the heating mode of the glass heating system and the combination of a method for debugging the glass heating system and the working characteristics of the heating control box in actual work, a circuit is designed to be capable of adjusting and testing the glass heating system and the heating control box in different states, and a specific circuit electrical schematic diagram is shown in figure 2.
An ammeter, a potentiometer, a diode isolation module, a wiring module, a change-over switch, a change-over relay, an indicator light, an aviation plug, an aviation cable and an electric connector are selected to be integrally mounted in a carrier inside the circuit.
The front end of a control box connecting cable of the circuit is directly connected with a socket on the heating control box by adopting an aviation plug, and the rear end of the connecting cable is connected with a debugging circuit.
The electronic components such as potentiometers, ammeters, transfer switches and the like are assembled according to the circuit wiring diagram shown in fig. 3 through aviation cables and electric connectors. The heating system comprises a heating system, a potentiometer, an ammeter, an indicating lamp and other electronic elements, wherein the change-over switch is used for changing various working states of the circuit, the potentiometer has a digital display function and is used for adjusting the resistance value of the heating system, the ammeter is used for displaying the current value of the heating system during working, the indicating lamp is used for prompting the working conditions of the heating system in different states, and the other electronic elements are.
When the switch K2(K4) is arranged at the 'adjusting' position, the resistance value on the circuit is adjusted by switching the switch K1(K3), and the resistance value of the resistors in the heating system of the two pieces of glass can be adjusted by combining the display of the indicator light. And the resistance value calibration work after the adjustment is finished is displayed by referring to the circuit indicator lamp through adjusting the heating control box. Meanwhile, the working state of the heating control box is adjusted, the built-in indicator light is observed to display by combining the self-checking characteristic of the heating control box, and the fault detection of the heating control box can be realized. When the change-over switch K2(K4) is arranged at the 'adjusting' position and the switch K1(K3) is arranged at the 'equipment' position, the change of an ammeter can be respectively observed by changing the state of a glass heating system, and the current-free line detection function in the non-heating state and the line detection function in different heating states are realized. When the change-over switch K2(K4) is placed at a test position, the switch K1(K3) is placed at an equipment position, and the line detection of the warming system in a warming state is realized by referring to a built-in ammeter and an indicator lamp for display. When the glass heating system is directly started, the current change and the working condition of the glass heating system in actual work can be directly detected according to the working characteristics of the glass heating system.
For the practicality that improves the circuit, an external resistance box plug has been installed to this circuit design for when the circuit internal resistance case breaks down unable the use, the external resistance box of accessible, through the resistance value of adjustment external resistance, combine the ampere meter and the pilot lamp of debugging circuit, realize the resistance adjustment to resistance in the system of heating.
The debugging circuit can realize debugging and checking work for two glass heating systems at the same time.
The working principle of the heating control box is that logical calculation is carried out by receiving the thermistor value of the glass and the strength conversion condition of the switch, and the corresponding contactor is judged and controlled to be switched on and off. The circuit adjusts two calibration potentiometers on the control box through the thermistor value of the quick simulation glass to realize the function of switching on the low-temperature point and switching off the high-temperature point of the control box, so that the deviation values of the two points are tested, and the heating temperature is controlled within the required range.
The circuit is mainly internally and integrally provided with 4 transfer switches (K1, K2, K3 and K4), 2 transfer relays (J1 and J2), 6 indicator lamps (D1, D2, D3, D4, D5 and D6), 2 ammeters (BL1 and BL2), 2 ohmmeters (BO1 and BO2) and 2 potentiometers (Z1 and Z2).
The change-over switches K1 and K3 are used for changing over between the external resistance box and the potentiometer, and when the potentiometer and the like have faults, the change-over switches can be switched to the position of the resistance box to adjust the thermistor value of the analog glass of the external resistance box. The change-over switches K2 and K4 are used for setting the switches in the adjusting position when the adjusting-testing change-over switches are used for carrying out tissue adjusting simulation, and the control box is connected with the potentiometer of the experimental device or an external resistance box at the moment so as to replace the thermistor value of the glass to be transmitted to the control box. The switch is placed in a test position to disconnect all parts of the circuit except the D1, D2, D3, D4, D5 and D6 indicator lamps. And the relays J1 and J2 realize the conversion between the adjusting circuit and the testing circuit, and the connection between the control box and the glass thermistor is disconnected during adjustment and converted into circuit connection, so that the circuit adjustment work is realized. After the adjustment is finished, the circuit is used for simulating the thermistor to carry out strong and weak heating state circuit detection work, and the heating current value is displayed by a conversion relay to an ammeter. The ammeter value is compared with the lighted indicator lamp to judge the strong and weak working states, and if the states are inconsistent, the circuit is in a problem. The ammeters BL1 and BL2 are used for simulating that the displayed warming current value is consistent with the indicator lamp state (the warming current is large when the strong warming indicator lamp is turned on) during actual warming. Ohmmeters BO1 and BO2 achieve more accurate and led digital potentiometer resistance value display (only approximate resistance value is displayed on a potentiometer knob dial). Potentiometers Z1, Z2, simulate resistance values.
The heating circuit is correctly connected through the circuit of the relevant finished part of the test cable, after the power supply of the relevant switch of the heating system is switched on, the switch K2 is placed at the position of adjustment, as shown in figure 3, the positive electricity is divided into two paths from LW 304A 20 → LW 304D 20 → rectifier diode, one path is LW304L 20 → reaches the indicator lamp D1 → LW J20N → LW A20N, then the negative electricity returns through the relevant circuit, and the indicator lamp D1 lights (lights after the power supply of the relevant switch of the finished product is switched on); the other LW 304F20 → "test-adjustment" switch K2 electric shock (1-2) rear branch 3 circuits respectively supply positive electricity to the left ammeter BL1, the left ohmmeter BO1 and the left relay J1 through LW 304J20, LW 304K 20 and LW 304H 20, the left ammeter BL1, the left ohmmeter BO1 and the left relay J1 return negative through-LW E20N, -LW G20N, -LW C20N to-LW A20N, and the left ammeter BL1, the left ohmmeter BO1 and the left relay J1 start to work. After the relay J1 works, actual warming is carried out (in this way, only when the circuit simulation thermistor is used for carrying out line detection work in different warming states after the resistance value adjustment is finished), the mutual inductor (three-phase four-wire system) line of the warming system is electrified (11-12, 8-9, 5-6 and 2-3) through-LW A20N 1, LW 313A 20, LW 312A 20 and LW 311A 20 → left relay J1, and the actual warming current value is displayed after conversion through-LW C20N 1, LW 313C 20, LW 312C 20 and LW 311C 20 → left ammeter BL 1. After the relay J1 works, lines (-LW B20N 1, LW 313B 20, LW 312B 20 and LW 311B 20) of the mutual inductor and the control box are disconnected, at the moment, an ammeter shows that the circuit is normally heated, but a 'no current' indicator lamp of the heating control box is still lighted, and the circuit is controlled by the control box to be connected and does not receive the current value sent by the mutual inductor, so that the circuit is lighted.
When the switch K1 is placed in the "device" position, the analog resistance value passes through potentiometer Z1 line LW 306G 20, LW 307G20 → LW 306D 20, LW 307D20 → "resistor box-device" switch K1 electric shock (2-1.5-4) → LW 306C 20, LW307C 20 → left side relay J1 electric shock (15-14.18-17) → LW 306B20.LW 307B 20 → control box. The control box receives the thermistor value simulated by the potentiometer Z1, namely the simulated temperature value logic judgment to carry out strong and weak heating or disconnect heating control. Ohmmeter BO1 is connected to potentiometer Z1 via line LW 306F20.LW 307F20 to show the precise resistance of the potentiometer.
When the switch K1 is placed in the position of the resistor box, the analog resistance value passes through an external Z X25 a-1 type resistor box → LW306E, LW 307E 20 → "resistor box-device" switch K1 electric shock (3-1.6-4) → LW 306C 20, LW307C 20 → left side relay J1 electric shock (15-14.18-17) → LW 306B20 → control box. The control box receives the thermistor value simulated by the ZX25 a-1 type resistance box, namely the simulated temperature value logic judgment to carry out strong and weak heating or disconnection heating control.
Note: the circuits have little difference in different heating modes, but have difference in positions a, b, c and d.
a. When the temperature is weakly heated: positive charge → LW 304A 20 → LW 304D 20 → rectifying diode → LW 304E 20 → LW304L 20 and LW 304F20
d. When the temperature is increased strongly: positive charge → LW 305A 20 → LW 305D 20 → rectifying diode → LW 305E 20 → LW304L 20 and LW 304F20
c. When the temperature is weakly heated: positive → LW304 a 20 → LW 304C 20 → left weak indicator light D3 → LW 354D 20 → LW354B20 → control box. When the control box receives the corresponding switch and the simulated thermistor value, namely the simulated temperature value, and carries out logic judgment for weak heating, the control box controls the point circuit to return to negative, and the left weak indicator lamp D3 is lighted.
d. When the temperature is increased strongly: positive → LW 305a 20 → LW 305C 20 → left strong indicator light D5 → LW 354D 20 → LW354B20 → control box. When the control box receives the corresponding switch and the simulated thermistor value, namely the simulated temperature value, and carries out logic judgment for strong heating, the control box controls the point circuit to return to the negative state, and the left strong indicating lamp D5 is lighted.
When switch K2 is placed in the "test" position, switch K2 the "test" position disconnects all components in the circuit except the D1, D2, D3, D4, D5, and D6 indicator lights. The working states of the contactors on the related circuits can be judged by the indicator lamps D1, D2, D3, D4, D5 and D6 of the tester according to the left and right strong and weak heating states and the on-off states during the heating and electrifying inspection. It should be noted that after the heating current value displayed during the simulation of actual heating is consistent with the state of the indicator lamp, i.e. the current is large during strong heating, the strong or weak heating state and the on/off state can be distinguished by the indicator lamp on the circuit.
In order to prevent the standby resistance value during adjustment from interfering with the control box, the standby line thermosensitive sensor is switched on and off through a 'test-adjustment' switch K2 → LW 308A 20 → 'test-adjustment' switch K2 → LW 308B 20 → the control box; the other backup thermal sensor → LW 307G20 → the control box is always in the access state. LW 351A 20 → LW 351B 20 provides a recovery path for the associated trouble light when the control box left side channel fails. LW 353A 20 → LW 353B 20 provide a return path for the associated fault indicator light in the event of a control box right side channel failure. LW 354A 20 effectively provides a path for the left side warm-up control signal output ground. LW 352A 20 effectively provides a path for the right side warm-up control signal output ground. LW 306D 20, LW 307D20, LW 406D 20, LW 407D 20 are only used when ohmmeter is powered off and the "resistor box-device" switch K1 is placed in the "resistor box" position for externally verifying potentiometer resistance.
Claims (8)
1. A debugging circuit of a portable multipurpose glass heating system is characterized by comprising an ammeter BL1, an ammeter BL2, a conversion relay J1, a conversion relay J2, a resistor box conversion switch K1, an adjustment-test conversion switch K2, a resistor box conversion switch K3, an adjustment-test conversion switch K4, a potentiometer Z1, a potentiometer Z2, an ohmmeter BO1, an ohmmeter BO2, a plug socket CZ1, a plug socket CZ2 and a wiring module 01-07; the conversion relay J1 is respectively connected with a socket CZ1, a socket CZ2, an ammeter BL1 and a resistor box conversion switch K1, and the conversion relay J2 is respectively connected with a socket CZ1, a socket CZ2, an ammeter BL2 and a resistor box conversion switch K3;
the junction module 01 is respectively connected with a socket CZ1, a socket CZ2, an indicator lamp D1, an indicator lamp D2 and a junction module 05;
the junction module 02 is respectively connected with a socket CZ1, a socket CZ2, an indicator lamp D4, an indicator lamp D5 and a junction module 05;
the wiring module 03 is respectively connected with a resistor box change-over switch K1, an ohmmeter B01, an ohmmeter B02, a potentiometer Z1, a potentiometer Z2 and a resistor box change-over switch K3;
the wiring module 04 is respectively connected with a socket CZ1, a socket CZ2, a conversion relay J1, a conversion relay J2, an ammeter BL1, an ammeter BL2, an ohmmeter B01, an ohmmeter B02, an indicator lamp D3 and an indicator lamp D6;
the wiring module 06 is respectively connected with the wiring module 05, the adjusting-testing change-over switch K2, the indicator light D3, the adjusting-testing change-over switch K4 and the indicator light D6
The wiring module 07 is respectively connected with an ammeter BL1, a conversion relay J1, an adjustment-test conversion switch K2, an ohmmeter B01, an ammeter BL2, a conversion relay J2, an adjustment-test conversion switch K4 and an ohmmeter B02;
the socket CZ1, the socket CZ2 and the aviation cable connect the debugging circuit with the glass heating system;
the wiring point 2 of the adjusting-testing change-over switch K2 is connected with the hole D of the wiring module 07, the hole A of the wiring module 07 is positively connected with an ammeter BL1, the hole C is connected with the point A of a change-over relay J1, and the hole B is connected with the wiring point 9 of an ohmmeter B01, so that the actual heating function of an external circuit on a heating system is realized.
2. The portable multipurpose glass warming system debugging circuit according to claim 1, further comprising an external resistance box connected to the debugging circuit through a socket CZ3 and an aircraft cable.
3. The portable multipurpose glass warming system commissioning circuit of claim 2, wherein pin 2 of resistor box switch K1 docks CZ3 socket pin E, resistor box switch K1 pin 5 docks CZ3 socket pin F, resistor box switch K3 pin 2 docks CZ3 socket pin G, and resistor box switch K3 pin 5 docks CZ3 socket pin H.
4. The portable multipurpose glass heating system debugging circuit of claim 2, wherein the external resistor box adjusts the resistance of the resistor in the heating system by adjusting the resistance of the external resistor when the internal resistor box of the circuit fails and cannot be used, in combination with the ammeter and the indicator light of the debugging circuit.
5. The portable multipurpose glass heating system debugging circuit of claim 1, wherein an aluminum alloy box is used as a carrier, and a storage space for external cables of the circuit is reserved according to the sizes of electrical elements in the circuit.
6. The portable multi-purpose glass warming system debugging circuit according to claim 1, wherein an ammeter, a potentiometer, a diode isolation module and wiring module, a transfer switch, a transfer relay, an indicator light, an aviation plug, an aviation cable and an electrical connector are selectively and integrally mounted in a carrier inside the circuit.
7. The portable multipurpose glass warming system debugging circuit according to claim 1, wherein the front end of the control box connecting cable of the circuit is directly connected with the socket on the warming control box by an aviation plug, and the rear end of the connecting cable is connected to the debugging circuit.
8. The portable multipurpose glass warming system debugging circuit according to claim 1, wherein said debugging circuit is capable of simultaneously debugging and checking two glass warming systems.
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| CN202010555261.5A CN111770594B (en) | 2020-06-17 | 2020-06-17 | Portable multipurpose glass system of heating debugging circuit |
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| CN202010555261.5A CN111770594B (en) | 2020-06-17 | 2020-06-17 | Portable multipurpose glass system of heating debugging circuit |
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